Company Information
CIN
Status
Date of Incorporation
24 January 1973
State / ROC
Delhi / ROC Delhi
Last Balance Sheet
31 March 2023
Last Annual Meeting
27 September 2023
Paid Up Capital
41,305,252,890
Authorised Capital
50,000,000,000
Directors
Mangudi Bhadrachalam Balakrishnan
Director/Designated Partner
about 2 years ago
about 2 years ago
Kasi Viswanatha Raju Sagi
Director/Designated Partner
over 2 years ago
over 2 years ago
Abhijit Narendra
Director/Designated Partner
over 2 years ago
over 2 years ago
Anil Kumar Tulsiani
Director/Designated Partner
over 2 years ago
over 2 years ago
Gopal Singh Bhati
Director/Designated Partner
over 2 years ago
over 2 years ago
Krishna Kumar Singh
Director/Designated Partner
almost 3 years ago
almost 3 years ago
Soma Mondal
Director/Designated Partner
almost 3 years ago
almost 3 years ago
Srinivasa Chakravarthy Vejendla
Director/Designated Partner
almost 3 years ago
almost 3 years ago
Arvind Kumar Singh
Director/Designated Partner
over 3 years ago
over 3 years ago
Jayaprasad Kuttappan
Director/Designated Partner
over 3 years ago
over 3 years ago
Brijendra Pratap Singh
Director/Designated Partner
over 3 years ago
over 3 years ago
Atanu Bhowmick
Director/Designated Partner
over 3 years ago
over 3 years ago
Neelam Sonker
Nominee
about 4 years ago
about 4 years ago
Ashok Kumar Tripathy
Director/Designated Partner
about 4 years ago
about 4 years ago
Sukriti Likhi
Director/Designated Partner
over 4 years ago
over 4 years ago
Amarendu Prakash
Director/Designated Partner
about 5 years ago
about 5 years ago
Anirban Dasgupta
Director/Designated Partner
about 5 years ago
about 5 years ago
Prakash Kumar Singh
Managing Director
almost 10 years ago
almost 10 years ago
Radhey Shyam Sharma
Additional Director
almost 12 years ago
almost 12 years ago
Dinesh Kumar Mittal
Additional Director
almost 12 years ago
almost 12 years ago
Arun Kumar Srivastava
Director
about 13 years ago
about 13 years ago
Chandra Shekhar Verma
Wholetime Director
over 15 years ago
over 15 years ago
Syed Shoeb Ahmed
Director
over 18 years ago
over 18 years ago
Elias George
Nominee Director
over 19 years ago
over 19 years ago
Past Directors
Kanhaiya Sarda
Additional Director
about 4 years ago
about 4 years ago
Nidgurti Shankarappa
Director
about 5 years ago
about 5 years ago
Vijoy Kumar Singh
Nominee Director
over 5 years ago
over 5 years ago
Amit Sen
Additional Director
about 6 years ago
about 6 years ago
Anshu Vaish
Director
over 6 years ago
over 6 years ago
Krishan Kumar Gupta
Director
over 6 years ago
over 6 years ago
Harinand Rai
Whole Time Director
about 7 years ago
about 7 years ago
Narendra Kumar Taneja
Director
about 7 years ago
about 7 years ago
Puneet Kansal
Nominee Director
over 7 years ago
over 7 years ago
Urvilla Khati
Nominee Director
about 8 years ago
about 8 years ago
Kartar Singh Chauhan
Additional Director
about 8 years ago
about 8 years ago
Samar Singh
Director
about 8 years ago
about 8 years ago
Nilanjan Sanyal
Director
about 8 years ago
about 8 years ago
Saraswati Prasad
Nominee Director
almost 9 years ago
almost 9 years ago
Parmod Bindal
Director
about 9 years ago
about 9 years ago
Raman .
Additional Director
over 9 years ago
over 9 years ago
Nirmalendu Mohapatra
Additional Director
about 10 years ago
about 10 years ago
Ashok Gupta
Additional Director
about 10 years ago
about 10 years ago
Prasanna Kumar Dash
Additional Director
about 10 years ago
about 10 years ago
Anup Kumar Pujari
Managing Director
about 10 years ago
about 10 years ago
Rakesh Singh
Managing Director
over 10 years ago
over 10 years ago
Bharathi Sivaswami Sihag
Nominee Director
over 10 years ago
over 10 years ago
Sunil Barthwal
Nominee Director
almost 11 years ago
almost 11 years ago
Nirmal Chandra Jha
Additional Director
almost 12 years ago
almost 12 years ago
Binod Kumar
Whole Time Director
about 12 years ago
about 12 years ago
Kalyan Maity .
Director
about 12 years ago
about 12 years ago
Jayant Moreshver Mauskar
Director
over 12 years ago
over 12 years ago
Atmanand .
Director
over 12 years ago
over 12 years ago
Vinod Kumar Thakral
Nominee Director
over 12 years ago
over 12 years ago
Bharat Bhushan Edodiyil Kunhiraman
Nominee Director
over 13 years ago
over 13 years ago
Ashok Kumar Pandey
Director
over 13 years ago
over 13 years ago
Trivadi Sundaram Suresh
Director
over 13 years ago
over 13 years ago
Himansu Sekhar Pati
Director
over 13 years ago
over 13 years ago
Isher Judge Ahluwalia
Additional Director
almost 14 years ago
almost 14 years ago
Upendra Prasad Singh
Nominee Director
over 14 years ago
over 14 years ago
Bansh Bahadur Singh
Whole Time Director
about 15 years ago
about 15 years ago
Jagdish Khattar
Director
about 15 years ago
about 15 years ago
Ashwani Kumar Goswami
Director
almost 16 years ago
almost 16 years ago
Punkaj Kumar Bajaj
Whole Time Director
about 16 years ago
about 16 years ago
Shesh Narain Singh
Additional Director
almost 17 years ago
almost 17 years ago
Siva Prasad Rao
Managing Director
almost 18 years ago
almost 18 years ago
Vinayshil Gautam
Director
about 19 years ago
about 19 years ago
Ramaraju Raghavachary
Whole Time Director
about 19 years ago
about 19 years ago
Shyamal Ghosh
Director
over 19 years ago
over 19 years ago
Virendra Kumar Srivastava
Whole Time Director
over 19 years ago
over 19 years ago
Kuldeep Kumar Khanna
Whole Time Director
over 19 years ago
over 19 years ago
Nilotpal Roy
Whole Time Director
almost 20 years ago
almost 20 years ago
Arun Kumar Rath
Nominee Director
almost 21 years ago
almost 21 years ago
Devinder Kumar
Company Secretary
about 24 years ago
about 24 years ago
Patents
A system for detection and control of failure of torque transmission and skidding in Twin-motor Two-high Rolling/blooming mill stand and a method of its implementation. The system of the invention involves an electronic circuit adapted to continuously monitor the difference in the currents drawn by the Top and Botto...
The present invention relates to providing water wettable graphite and a process of its
manufacture. More particularly, the present invention is directed to providing nano carbon
coated graphite wherein nano carbon form a film over it and making it wettable in water by
treating with a solution comprising selectiv...
ABSTRACT
TITLE: REHEATING FURNACE LINING OF UPTAKE AREA WITH CERAMIC FIBRE AND PROCESS THEREOF.
The present invention relates to Reheating furnace lining of uptake area for improving their performance and a process thereof. The lining on the curved portion of charging side wall of the up-take area of reheating...
The present invention relates to an improved automation system adapted for reducing coil /steel
strip telescopicity in re-coilers . The system comprising a frame means (1) substantially placed
on a roller table means, at least one sensor means (4) mounted on said frame means (1), at
least one optical detector rec...
The present invention relates to Boron alloyed low carbon steel composition suitable
for hot forming / hot stamping / quenching process, comprises of C-0.25 wt% max,
Mn-1.5 wt% max, P-0.030 wt% max, S-0.025 wt% max, Si-0.40 wt% max, Ti- 0.05
wt% max, Cr-0.40 wt% max and B - 30ppm max and the balance iron.
...
The present invention relates to a thermocouple assembly to measure raw gas temperature in Coke oven battery and particularly, to a thermocouple assembly for measurement of temperature of coke oven gas coming out of battery in vertical strand (goose neck) in a reliable manner wherein thermocouple is attached to the ...
A system for measuring dimensions with accuracy of about 0.2 mm of any circular object having a central bore alongwith profile of the object and eccentricity comprising a centering device adapted to determine the central axis of the bore and measuring means adapted for measurement of dimensions in any direction in r...
The present invention relates to a system for online non contact estimation of coil length in
entry and exit horizontal loopers in steel rolling mill with desired accuracy. The system
measures distance between looper trolley and fixed pulley involving non-contact long range
LASER sensors capable of measuring dist...
Anchor systems for retaining the cast monolithic/composite refractory lining and method
for installation thereof in various industrial furnaces to enhance the life of the refractory
lining avoiding cracking due to dissimilar thermal expansion of shell and lining. The anchor
system according to the invention are b...
A system for conversion of data communication protocol from TTY (TELETYPE)-to RS 232C. which is capable of withstanding high ambient temperature, dust and voltage fluctuation, the system comprising: a plurality of transistors: means for isolation of input and out put: one or more single layered printed circuit board...
An improved oxidation resistance measuring furnace and in particular improvement in furnace for comparative evaluation of oxidation resistance of carbon containing refractories. The system /furnace of the invention basically comprises of an enclosed chamber for heating having hearth/plate for placing of the test sam...
The present invention relates to a system for stabilization of Steel Making (BOF) slag
through hydration treatment using saturated steam and method for such stabilization. More
particularly, the present invention is directed to provide a system for accelerated primary
stabilization of BOF slag using steam as medi...
A system for measurement of plate width in a plate mill comprising at least one set of a left and a right manipulator being moveable towards and away from each other so as to provide there between an adjustable space to receive a plate and to define a predetermined width of the plate, said manipulators being adapted...
Ther is provided a device and method for indicating coke level in a storage/supply bunker which comprises (i) a conventional bunker provided with a set of electrodes (6) at a plurality of pre-determined levels along the vertical axis of the bunker, (ii) each electrode forming a part of an electrical circuit,
(iii) ...
The present invention relates to a rolling mill cooling system including a roller
assembly through which a heated piece of metal is passed in order to produce a
progressively thinned and elongated metal sheet which is subsequently cooled in
a cooling zone comprising of at least one cooling unit projecting a plura...
A THERMAL BARRIER COATING SYSTEM FOR APPLICATION COPPER/WORKING SURFACES EXPOSED TO HIGH TEMPERATURE ZONES COMPRISING : A BOND COAT AS A FIRST LAYER OF COAT ON THE SUBSTRATE OBTAINED OF Ni-Cr-Al ALLOY COMPRISING 17-22% BY WT. Cr, 2-6% BY WT. Al, AND BLANCE Ni, AND A SECOND LAYER OF TOP COAT OF TITANIA TiO2 OVER SAID...
A device for insertion of chest tube into the chest cavity comprising a main shaft having a first end and a second end, said first end having a clamp adapted to hold the proximal end of chest tube/catheter fixed during operation, wherein said second end is provided with a sharp end mounted on a serrated collar an...
A process for manufacture of hot rolled carbon manganese grade structural plates wherein the step of improving mechanical properties without normalising operations comprise subjecting the plates after hot rolling to a step of controlled accelerated cooling such that the finalising temperature after hot rolling is se...
A liquid level control float switch system which avoids the complexities and
disadvantages, of presently available float switches which apart from being cost
extensive are basically the mercury type float switches which pose environmental
and safety hazards and are also difficult to operate. The liquid level cont...
TITLE: PROCESS FOR THE MANUFACTURE OF TMT REBARS HAVING IMPROVED MECHANICAL AND CORROSION PROPERTIES.
Process for manufacture of improved corrosion resistant TMT rebars, in particular, copper-molybdenum TMT rebars having improved strength and corrosion resistant properties suitable for applications in chloride c...
The present invention relates to a ribbed Thermo Mechanically Treated (TMT) bar with improved surface rib pattern profile for high adherence, particularly for reinforcements for concrete or welded mesh, deformed by hot rolling and equipped ribs inclined with respect to the central axis, and the process of manufactur...
A mold system for circular disc shaped casting directed to a method of increasing the yield in castings process. Particularly, the yield of non-ferrous castings such as aluminium bronze castings is increased due to the present moulding system and casting method wherein the riser and the casting are accommodated in t...
The invention relates to a system for accurate control of argon gas pressure and flow
through mono-block stopper in tundish for continuous casting of bloom to e\\minate
clogging of sub-entry nozzle (SEN). The system and method for achieving accurate and
precise pressure as well as flow control for argon gas purgi...
ABSTRACT
TITLE: A METHOD FOR PRODUCTION OF LOW CARBON (<0.025%) COLD ROLLED NON ORIENTED(CRNO) SILICON STEELS THROUGH BOF-VOR-LHF-CC ROUTE .
The present invention is directed to providing an improved method for production of low carbon (<0.025%) cold rolled non oriented(CRNO) silicon steels and CRNO silicon steel...
AN IMPROVED SYSTEM FOR FLATTENING OF COLD ROLLED STRIPS WITHOUT USE OF MOTOR AND MULTI OUTPUT GEARBOX AS THAT REQUIRED IN KNOWN CONVENTIONAL LEVELLER COMPRISING THRUST BEARING ARRANGEMENT ASSEMBLED WITH RESPECT TO THE WORKING ROLLS OF SAID LEVELLER FOR PREVENTING SIDE THRUST. THE SYSTEM OF THE INVENTION FURTHER AVOI...
The present invention relates to a guide centering device for any mill line in industry
such as for strip processing in rolling/pickling lines. More particularly, the present
invention is directed to a simple, cost effective and user friendly manually operated
system for adjusting the side guides for strips/slabs...
There is disclosed a process for production of Nb-Ti treated tough & ductile Ultra-High Strength Low Alloy Martensitic (USLAM) steels, comprising the following steps: -
Melting and casting
a. Selecting necessary alloy compositions keeping the contents of alloying elements within the following limits,
%c %Mn %...
The present invention relates to a nozzle for improved ammonia liquor spray involving a selectively configured bent tube with selectively disposed holes for optimized cooling of hot raw gases in a recovery type of coke oven battery. More particularly, said spray nozzle consisting of a single 120-deg round bend piece...
The present invention relates to Boron-added mild steel, and more particularly to
mild steel which is capable of shielding against the effect of both gamma rays
and neutrons, it also lowers the cost of production in comparison to boron-added
stainless steel, has tensile strength in the range of 450 to 525 MPa and...
ABSTRACT
TITLE: SPRAY COATING SYSTEM FOR STEEL MELTING SHOP SUCH AS FOR SLAG POT COATING AND A METHOD OF SPRAY COATING.
The present invention relates to a spray coating system for spray coating of slag pots used as an integral part of any Steel Melting Shop. The spray coating system can be used for spray coati...
TITLE: A METHOD FOR CONTROLLED PREPARATION OF COAL BLEND FEED FOR COKE OVEN TO AVOID CHUTE-JAMMING.
The present invention relates to a method for controlled preparation of coal blend feed for coke oven such as to avoid problems of chute jamming due to excessive moisture content in feed coal and a system for add...
There is suggested an improved method for the production of high strength weldable steel plates with superior low temperature impact toughness comprising subjecting a steel slab having the following chemical composition, based on the weight of the slab:
c Mn S P At Nb V
0.07 1.1 0.005 0.02 0.02 0.03 0.03
to to ma...
A method for the production of high formable steel which will exhibit lower Yield Strength /U tensile Strength (YS/UTS) ratio and lower strain ageing index (SAI).The method involves hot rolling a steel slab having the alloying elements composition comprising C - 0.07 - 0.09, Mn = 0.3 - 0.4, P = 0.02max., S = 0.02 ma...
ABSTRACT
TITLE: ALLOY STEEL RESISTANT TO HYDROGEN DAMAGE AND STRESS CORROSION CRACKING IN SOUR GAS ENVIRONMENT AND A PROCESS FOR PRODUCING THE SAME.
The present invention relates to alloy steel composition resistant to hydrogen induced cracking and sulphide stress cracking in sour gas environment and a process...
ABSTRACT
FIXTURE FOR TENSILE TESTING MACHINE
The present invention relates to Fixture assembly for tensile testing machine comprises a top fixture and a bottom fixture wherein the each top and bottom fixture includes cylindrical clamp heads and coupling shafts and said coupling shaft with knurling on its surfa...
ABSTRACT
A SUSTAINABLE THREE STAGE BIO-CHEMICAL PROCESS FOR THE
TREATMENT OF WASTE WATER / EFFLUENTS
Disclosed herein a sustainable three stage bio-chemical process for the treatment of waste water / effluents which comprises aerobic ( stage 1)- aerobic ( stage 2 ) and anoxic ( stage 3 ) degradation of toxic...
ABSTRACT
TITLE: MAGNESIA CARBON BRICKS SUITABLE FOR IMPACT AREA OF STEEL LADLES AND PROCESS FOR ITS MANUFACTURE.
The present invention relates to providing improved quality magnesia carbon bricks suitable for Impact area of steel ladles and a process for its manufacture. More particularly, the present invention ...
ABSTRACT
TITLE: HIGH TENSILE STEEL PLATES HAVING A MINIMUM TENSILE STRENGTH OF 1500 MPa AND A PROCESS FOR ITS MANUFACTURE.
The present invention is related to high tensile strength steel plates and a cost effective process of manufacturing such steel plates obtained as quenched and tempered steel plates wi...
ABSTRACT
TITLE: HIGH TOUGHNESS HYPOEUTECTOID RAIL AND A PROCESS FOR ITS PRODUCTION.
The present invention relates to high toughness hypoeutectoid rail with high corrosion and wear resistance and a process for its production wherein Carbon is maintained below 0.6% level to increase the elongation and toughness an...
ABSTRACT
TITLE: BRIQUETTES FROM FERRO MANGANESE AND/OR SILICO MANGANESE FINES AND A PROCESS FOR MANUFACTURING THE SAME.
Briquettes from ferro manganese and/or silica manganese fines and to a process for manufacturing from the same involving ferro manganese and silico manganese fines of 0-10 mm preferably 0-3mm s...
The present invention discloses a system for on-line monitoring of product in rolling mill and coordination of rolling mill operations and/or on in-line equipment status and desired corrective measures for improving productivity and reducing downtime. The system comprises a display unit having a display panel having...
The present invention relates to operation and control of hot strip mill rolling process using a model based web-portal. The web-portal consisting of a mathematical-artificial neural network based model calculates optimized gap (7) and speed reference values (8) using mathematical theory of plastic deformation, heat...
ABSTRACT
TITLE: A SINTER MIX PERMEABILITY MAXIMIZATION SYSTEM BY CONTROLLED GRANULATION AND BED VOIDAGE FOR INCREASING PRODUCTIVITY OF SINTER MACHINES AND A METHOD THEREOF.
The present invention relates to a sinter mix permeability maximization system by controlled granulation and bed voidage for increasing pr...
ABSTRACT
TITLE: BURNER SYSTEM FOR POST IGNITION CHAMBER OF SINTER PLANT.
The present invention relates to burner system for post ignition chamber of sintering plant involving at least one pair of gas fired burners. More particularly, the burner system for post ignition chamber of sintering plant comprising a h...
A PROCESS AND SYSTEM FOR THE BENEFICIATION OF SLIME PRODUCED THROUGH IRON ORE PROCESSING
The present invention relates to a process for producing high purity Fe2O3 for value- added applications including blast furnace feed from a poor-grade iron ore slime, comprising the steps of pumping the slime in slurry for...
ABSTRACT
PROCESS FOR DEVELOPMENT OF LOW CARBON BORON ADDED MULTI PHASE STEEL WITH INCREASED STRENTH AND INCREASED FORMABILITY
The present invention relates to a process for developing cost effective multiphase steel with increased strength and increased formability in boron added low carbon steel comprisin...
ABSTRACT
BENCH SCALE CARBONIZATION TEST APPARATUS
The present invention
relates to a Bench scale carbonization test apparatus
comprising a steel box configured to be heated up to 11000C) which is covered from all sides after keeping the coal charge inside; a raising hearth furnace with
...
ABSTRACT
TITLE: A RECIRCULATING WATER TREATMENT SIMULATOR.
The present invention relates to a recirculating water treatment simulator for simulating the process parameters and chemical dosing for recirculating water treatment in any industry such as closed loop cooling water treatment in steel industry, includ...
The invention relates to a hot rolled steel grade with high strength (Yield
Strength(YS)>500MPa) combined with high strength flangeability or edge formability
and a process for its production. More particularly, the invention is directed to
producing low carbon low alloy steel with high strength e.g. YS>500MPa
a...
The present invention relates to zonal refractory lining for hot metal ladles adapted to
minimize wear and mouth jam. The zonal refractory lining is adapted to ensure a balanced
wear throughout the ladle lining, using materials having different physico-chemical
properties to take care of metal impact, erosion/cor...
ABSTRACT
TITLE:A MODIFIED RUN OUT TABLE LAMINAR COOLING SYSTEM FOR CONVENTIONAL HOT STRIP MILL.
The present invention relates to a Run Out Table(ROT) laminar cooling system for Hot Strip Mill comprising array of top and bottom cooling header in run out table comprising top banks and bottom banks. The ROT cooli...
The present invention relates to developing high strength (YS:640MPa Min.) Thermo
Mechanically Treated (TMT) bar and a process for its production. The TMT bars of the
invention is having yield strength above 640MPa, UTS/YS ratio of 1.15 Min., with super
toughness (18% elongation Min.) properties of said TMT rebar...
ABSTRACT
METHOD FOR CONTROLLING THE TOE RADIUS OF RAILROAD RAIL IN A CONVENTIONAL RAIL MILL
The present invention relates to a method for controlling the shape of hot railroad rails during rolling thereof in a conventional rail mill, and more specifically, a method for controlling the shape of railroad rails i...
The present invention relates to a shaft mounted deflector roll for tandem cold rolling
mill for feeding sheet to the first stand wherein a stepped shaft is placed coaxially
inside a hollow roll barrel and bearings are mounted inside said roll barrel at two
ends between shaft and barrel, favouring increased load ...
The present invention relates to a method for improving heat transfer rate in sinter plants.
The method comprises steps of spraying water in the form of dry fog on sinter bed in a
manner that said dry fog touches top layers of the sinter bed after getting contaminated with
atmospheric air and providing negative s...
The present invention discloses an automated system for closed loop precise length cutting of metal sheets. the present system comprises a flying cut off shear having a cutter die with operative shear blade to cut metal sheets in the running line, a flying wheel with clutch and brake operatively connected to said fl...
ABSTRACT
TITLE: AN AUTO PURGING SYSTEM FOR SKIRT PRESSURE IMPULSE LINES IN LD CONVERTORS OF STEEL PLANTS.
The present invention relates to auto purging system for skirt pressure impulse lines in LD Convertors of Steel Plants for controlled auto purging of the tapping points of impulse pipes for measuring Skirt...
ABSTRACT
TITLE: A PROCESS FOR ENERGY EFFICIENT PRODUCTION OF STABLE COAL CAKE FROM COALS OF DIFFERENT GRANULOMETRY AND MOISTURE LEVEL.
The present invention relates to a process for compaction of pulverized coal of different granulometry and moisture levels to make adequately stable coal cake applying required...
A low cost simulator cum calibrator device for calibration of Molten Steel
Temperature measurement system in good order is disclosed. More particularly, the
present invention relates to a low cost simulator cum calibrator involving simple IC
based mV injector circuit comprising a main circuit and a compensation c...
The present invention relates to a cantilever type jib crane for galvanizing pots or hot
pits with space constraints at its top suitable for handling 1 ton pay load, having a self
supporting column, rotating cantilever type jib arm and a movable trolley pulled in
forward and reverse direction, for hoisting and cr...
The present invention relates to system for controlling of a continuous hot rolling mill wherein the roll gap and the roll peripheral speed of each mill stand is controlled according to a predetermined pattern in order to maintain the gauge of the finished plates at a constant value throughout the profile of plates ...
ABSTRACT
METHOD OF DESIGNING LADLE TOP SLAG FOR SECONDARY REFINING
The present invention relates to the optimization of slag composition, depending on hot metal quality, type of de-oxidation practice, ladle lining pattern, porous plug configuration, targeted steel chemistry and process route to make th...
The present invention relates to a mould powder having higher melting
characteristics, improved mould heat transfer and lubrication to enhance
casting speed for high carbon grades of steel. The present invention also
relates to modification in oscillation parameters for reduced friction with
improved powder cons...
The present invention relates to process for manufacturing of a hot rolled high
strength steel strip comprising the steps of charging and casting of the different
compositions of raw materials in basic oxygen furnace; refining of the castables
using LF / vacuum arc degassing (VAD) unit; continuous casting of the ...
ABSTRACT
A REAL TIME SIMULATOR FOR MULTI-STAGE BIOLOGICAL WASTEWATER TREATMENT
The present invention relates to a real time multi-stage biological wastewater treatment simulator for removing organic matter using activated sludge by optimizing any biological wastewater treatment.
The present invention relates to an improved system of a multiple rollers based charging chute to
improve segregation of sinter- mix during charging into pallets in sintering process. The system
comprises plurality of bearing supports(4); plurality of rollers (1) having stub shafts (13)
mounted on bearing support...
ABSTRACT
PROCESS FOR PRODUCTION OF SEISMIC RESISTANT HIGH STRENGTH FE500
S GRADE THERMO MECHANICALLY TREATED (TMT) BAR
The present invention relates to a process of production of seismic resistant high strength Fe500 S grade Thermo Mechanically Treated (TMT) bar, particularly for reinforcements ...
The present invention is directed to providing fine grained austenitic manganese
steel plates without carbide precipitation comprising C 1.0-1.05%, Mn 12.5-12.7%,
Si 0.30-0.50%, P 0.060-0.067%, S 0.01% Max, Cr 0.20% Max and Al 0.010%
max. and having a plate thickness of up to 12 mm. The developed steel grade is
...
ABSTRACT
TITLE: A COOLING SYSTEM FOR X-RAY GENERATOR OF AUTOMATIC GAUGE CONTROL OF HOT ROLLED STRIPS.
The present invention relates to a cooling system for X-Ray generator used in X-Ray thickness gauge for the Automatic Gauge Control for desired close loop thickness control in hot rolling of flat products at t...
ABSTRACT
TITLE: A SPECIFIC GRAVITY LIQUID SUITABLE FOR FLOAT-SINK SEPARATION OF RUN-OFF MINES COAL OR ORE COMPRISING WASTE MAGNETIC MATERIAL FINES GENERATED IN INTEGRATED STEEL PLANT AND GRAVITY SEPARATION METHOD USING THE SAME.
The present invention relates to a specific gravity liquid suitable for float-sink...
This invention relates generally to a method of continuous casting and more particularly to a method of performing flying tundish operation in a bloom caster having no provision of manual control stopper. Method comprising the following steps of selecting flying tundish mode in a HMI; operating strand close button t...
ABSTRACT
TITLE: A DURABLE HIGH MAST MOUNTED MULTI-LIGHT SYSTEM.
The present invention is a durable high mast mounted multi-light system having light fittings mounted on a carriage ring at top of pole which can be moved up and down as per need so that no trolley or ladder will be required for maintenance work. ...
The present invention relates to a modified process for manufacturing steel with a substantial reduction in the consumption of Aluminium metal. More particularly the present invention provides lower consumption of Aluminium by process modification at Secondary Steel Making units
A system and a method for treatment of coke oven effluent/waste water are disclosed.
More particularly, the present invention is directed to a system involving reactor with
special electrodes with selective spacing and provided with stirrer and vibrator for
carrying out electrochemical process for pre treatment o...
AN IMPROVED BOF PROCESS MODEL FOR STEEL MAKING
The present invention relates to an improved process model for Basic Oxygen
Furnace (BOF) Steelmaking, further it relates to calculation of static charge
balance of materials to be input during steelmaking to achieve the desired output
of steel in terms of chemistry...
The present invention relates to a system for dust level measurement in blast furnace dust catcher at high temperature with dust cyclone at high pressure. The system comprises a bunker/hopper means; plurality of temperature sensor means mounted at different positions on side walls of said bunker/hopper of the blast ...
The present invention relates to a pearlitie steel composition (by weight %) of high
strength 110 Ultimate Tensile Strength (UTS) and a process for manufacturing the
same. The chemical composition wt% of essential elements of steel is C of 0.60 -
0.80, Si of 0.15 - 0.60, S of 0.025 max, P of 0.025 max, Mn of 0.70...
A Fixture For Manufacturing Furnace Skid Pipes To Carry And Move Slabs Inside Walking Beam Furnaces.
There is provided a fixture for manufacturing of skid pipes for transporting slabs in walking beam
furnaces. More particularly, the present invention is directed to providing a fixture for assembly
and welding of skid pipes for walking beam furnace adapted to ensure required geometrical
accuracy of these skids in...
ABSTRACT
TITLE: HIGH ALUMINA BRICKS FOR REFRACTORY LINING OF ROOF OF ROTARY HEARTH FURNACE AND PROCESS FOR ITS PRODUCTION.
The present invention relates to providing High Alumina Bricks for refractory lining of roof in Rotary Hearth Furnace having high Thermal shock Resistance combined with high Refractoriness und...
The present invention relates to a guiding arrangement and more particularly to a wire withdrawal arrangement for guiding wire in aluminium wire feeder in steel making furnace. The wire withdrawal arrangement comprises a base plate for providing support to the coil in horizontal position; a ring assembly and a guide...
The present invention discloses a system for non-contact online billet length measurement and identification of longer billets. The system comprises non contact type laser based distance measurement sensors including at least two laser sensor devices for measuring the billet length at charging grate of the before fe...
A networking system for control and integration of various mechanisms of cooling beds and bar shear area of mill comprising a PLC based intelligent control desk & remote I/Os based control for controlling of Cooling Beds & Bar Shears operation mechanisms. In the present system said PLC interfaced based Intelligent C...
The present invention relates to an improved method of maintenance of a hot metal ladle comprising the steps of laying of a false bottom under condition that 80 – 90% of the top bottom lining of the ladle is washed off; laying of false working wall under condition that ~ 60-70% of the side working lining walls is da...
A Flux Crusher Lubrication System involving a switching apparatus is disclosed for use as a
line leakage detector in grease lubrication unit in steel plant. More particularly, the Flux
Crusher Lubrication System is equipped with a small electrical switch such as a door switch,
with a very less operating distance,...
The present invention relates to an improved system for control of stacking conveyors using wireless signal transmission comprising at least four Radio Modem means installed in the respective drive houses (Remote Stations) of three conveyors & in plant substation (Master Station), at least four sets of RTU(s) means ...
The present invention relates to a system and method for producing 7mm diameter plain rod in wire rod mill. More particularly, the present invention is directed to a system for producing 7mm plain rod through A-strand comprising stand number 16-23 wherein roll pass design was standardized such that it was common for...
ABSTRACT
TITLE: A PROCESS FOR PRODUCING MICRO PELLETS FROM MIXED SLUDGE FOR USE IN IRON ORE SINTERING.
The present invention relates to a process for producing micro pellets from mixed sludge for use of the same in iron ore sintering. More particularly, the present invention is directed to a process for produc...
A high strength alloy steel with superior resistance to HIC and SSC and a method of
producing such steel is disclosed. More particularly, the present invention provides for
selectively copper alloyed high strength alloy steel composition with higher HIC and SSC
resistance in sour gas media, adapted to avoid diffu...
The present invention relates to high strength LPG steel alloy and a LPG gas
storage cylinder manufactured thereof with yield strength greater than 295 MPa for
fabrication of lighter Indian domestic cylinders (33.3 litres). Further the steel sheets
manufactured form the said high strength LPG steel alloy have red...
The present invention relates to demagnetizing of the DC magnets. More particularly, the present invention relates to modification in the currently use DC magnet circuits with the use of the fixed resistances, especially that in the EOT
cranes.
The invention relates to a method for on-line model for prediction of slab core temperature
during heating of slab in pusher type reheating furnace using software based finite
element analysis/method. The method is adapted to providing on line temperature
distribution inside slab using conduction heat transfer eq...
This invention relates generally to a test bench system for motors. More particularly, the present
invention relates to an induction motor test bench system for testing of induction motors. This system provides a stabilized three phase variable power supply to the AC induction motor for smooth starting, stopping an...
The present invention relates to application of Radio remote control based automation system for operation of Mudgun and Drill machine of a Blast furnace. The automation system has been designed using Radio portable station, Radio receiver station, hydraulic valve stand with proportional valves, proportional valve a...
The present invention relates to movable arm mounted lighting system using .
movable arm system movably fixed on pole, so that no trolley or ladder will be
required for maintenance work. Movable cross arms are attached with sling
ropes to pull the arms upward for certain height and downward for maintenance
by op...
This invention relates generally to refractory lining in electric arc furnace. More particularly the
present invention relates to a magnesia carbon brick for use as refractory lining of an electric arc
furnace and a method of manufacturing said magnesia carbon brick. It provides for higher
residual carbon, higher...
The present disclosure provides a system for sealing air leakage in an under-suction type sintering machine, the system can include: a plurality of metal wires each having a fixed end and a free end; and a metallic channel having a first end and a second end, wherein the channel comprising a recess extending longitu...
ABSTRACT
A SYSTEM FOR COKE OVEN IDENTIFICATION & CAR TRACKING
The present invention relates to A system for coke oven identification & car tracking comprising of a wireless based communication systems for coke ovens at Pusher Side, Coke side and Quenching Side, a cross battery interlocking mechanism, an un...
Disclosed is a new design of pulverized coal combination fuel burner without any tertiary air. In one implementation, in a burner, a central dummy pipe and primary air pipe carrying the coal with primary air at desired proportion and secondary air nozzle of suitable dimension are worked out and designed. The air noz...
Present invention relates to a modified roll cooling system at reversing hot rolling mill
comprising of at least one dove-tail type flat jet spray nozzle; a double row cooling unit
with relocated spray header for spray towards roll-bite; at least one filter unit introduced
in the inlet coolant supply line for top...
The present invention relates to an automatised cut to length system using Laser Doppler
Velocimeter for state-of-the-art LASER based length measurement and Programmable Logic
Controller (PLC) based control system for ensuring precise cutting length by shearing of
rolled sheets/strips. The system has been develop...
The present invention relates to a sliding system for the sensors for cutting the slab at
different desired lengths with a maximum error of 0 to +20 mm in continuous caster of
steel plant. More particularly, the present invention relates to developing a simple, low
cost but highly reliable system to adjust the se...
A METHOD FOR MEASUREMENT OF pH OF COAL SLURRY
1. The present invention relates to a method for measurement of pH of coal slurry comprising the steps of providing representative samples of coal slurry of quantity 0.5g in the form of 60 mesh coal; mixing the coal sample with 5ml of distilled water in a digestion tu...
The present invention relates to a process for producing fine grained 2.5-3.5 µm
carbon-manganese steel plates with or without niobium or vanadium by multi pass
air-cooled rolling route with through thickness uniformity comprising the
steps of heat making and hot rolling; dilatometry studies; hot compression
stu...
The present invention relates to an Anti Belt Snapping Device for Belt Conveying System for
application in Mining and other Material Handling Industries. The device according to the
present invention is particularly suitable for application in any down-hill conveyor which are
prone to snapping due to uneven belt ...
ABSTRACT
HIGH ALUMINA BASED REFRACTORY COMPOSITION & A PROCESS FOR ITS MANUFACTURE
The present invention provides for a new high alumina plastic refractory composition suitable for the roof of reheating furnace of steel industry having high strength, good thermo-mechanical behaviour, good workability and a method ...
A Process For Producing Low Carbon Fine Grained Bainitic Steels With Improved Strength And Toughness
ABSTRACT
A PROCESS FOR PRODUCING LOW-CARBON FINE-GRAINED BAINITIC STEELS WITH IMPROVED STRENGTH AND TOUGHNESS
The Present invention relates to a process for producing low-carbon fine-grained bainitic steel plates comprising the steps of heating the steel to a temperature 1100°C for transforming its structure into ...
The present invention relates to a computer or Programmable Logic Controller (PLC) or Programmable Automation Controller (PAC) program implemented method of deriving Pulse Width Modulated Output from PLC based linear PID function block by using current generation PLC having advanced function block programming featur...
ABSTRACT
TITLE: MAGNESIA CARBON REFRACTORY BRICKS INCORPORATED WITH AMORPHOUS CARBON NANO TUBE (ACNT) AND A PROCESS FOR ITS MANUFACTURE.
The present invention relates to providing Amorphous Carbon Nano Tube (ACNT) incorporated Magnesia Carbon refractory brick suitable for steel industry having high corrosion resi...
An improved refractory lining system for steel ladles is disclosed comprising 70-90%
alumina quality refractory material (Low Cement Castable) used for
castable/monolithic refractory safety lining, as backup of work lining, cast by means
of multi segmented metallic former. The metallic former having similar conto...
ABSTRACT
TITLE: A PROCESS FOR MACHINING OF MAG-CARB REFRACTORY BRICKS TO PRODUCE DESIRED SHAPED MAG-CARB REFRACTORY BRICKS.
The present invention relates to a process for machining of Mag-Carb refractory bricks to produce desired shaped bricks. The process according to the present invention is directed to develo...
The present invention discloses a system for controlling cooling bed roller table motors of rolling mill. The system comprises a PLC processor with distributed input-output nodes, AC drives with built-in drive to PLC processor communication means for facilitating centralized cooling bed roller table motor speed cont...
ABSTRACT
HYDRAULIC CONTROL CIRCUIT FOR ELIMINATION OF UPWARD CREEP IN LADLE HEATING FURNACE ELECTRODE REGULATING HYDRAULLIC CYLINDERS
The present invention relates to hydraulic control circuit for electrode regulating mechanism to arrest the upward drift of the hydraulic cylinders responsible for the movement of t...
The present invention relates to a method of non destructive inspection of surface defects of
rolls of Hot Strip Mill and Cold Rolling Mill in Steel Plant involving portable Ultrasonic and
Eddy Current Flaw Detectors wherein probes of selective type and range are used with
selective frequencies for locating flaws...
ABSTRACT
TITLE: IMPACT RESISTANT REFRACTORY BRICKS COMPRISING METALLIC FIBRES INCORPORATED REINFORCED REFRACTORY BRICKS AND PROCESS FOR ITS MANUFACTURE.
The present invention relates to providing high impact resistant magnesia carbon bricks suitable for impact area of steel ladles and a process for its manufactu...
An automated temperature control system for Decarburization and/or Annealing furnaces of silicon steel mill is disclosed. The control system comprises artificial intelligence module (Expert System) based on operating aspects including line speed of the steel in the furnace and the steel physical parameters including...
ABSTRACT
TITLE: RFID BASED AUTOMATIC STEEL LADLE TRACKING SYSTEM AND METHOD THEREOF.
The present invention discloses a system for controlled monitoring of ladle and its availability in steel melting shop for ensuring ladle performance. The present system comprises a tracker means for online automatic real time tra...
ABSTRACT
LUBRICATING UNIT FOR REAL TIME LUBRICATING THE WORM REDUCERS OF COOLING TOWER FANS (CTFS)
The present invention relates to A lubricating unit for real time lubricating the worm reducers of cooling tower fans (CTF’s) for continuous casting machine comprising of a closed tank/reservoir with a detachable ...
The present invention discloses an auto changeover system for controlling blast furnace stoves operation. The auto changeover system comprises server operatively connected to PLCs of blast furnace stoves for changeover of the blast furnace stoves by automatically and selectively control operational status of relevan...
SYSTEM AND METHOD FOR TRACKING HOT ROLLED COILS IN STEEL
ROLLING MILL
The present invention relates to a system and method for real time tracking Hot
Rolled Coils in steel rolling mill using camera vision technology. More particularly,
the present invention relates to capturing of coil image along with the coil ...
This present invention relates to the development of a mobile phone operated
audio-visual alarm/ indication system directed to avoid accidents for silently moving
wagon-rake being pushed by loco engine from backside. The audio-visual alarm
system of the invention involves very simply and cost-effective gadgets su...
A weather resistant bainitic high strength low alloy steel composition having
excellent resistance to corrosion, comprising, (by weight%)- C: 0.04 to 0.06%, Mn: 1.15 to
1.25%, S: 0.025 to 0.030%, P: 0.025 to 0.030%, Si: 0.25 to 0.30%, Cu: 0.50 to 0.55%, Cr:
0.45 to 0.50%, Ni: 0.30 to 0.35%, Al: 0.035 to 0.045% an...
The present invention relates to a Roll Bite Lubrication (RBL) System for hot rolling
mills and in particular to a pilot roll bite lubrication system developed for application
of lubrication involving preparation and application of rolling oil dispersion at the roll
bite of hot rolling mills. The system is of mob...
The present invention discloses an improved system for controlling billet distribution and feeding mechanism for multi strand wire rod mill. The said system comprises a Distrubution Table (DT), Draw Out Roller (DOR), Pinch Rollers (PR), the associated operating means and necessary measurement and control system. Mot...
The present invention relates to a lean gas burner of high volumetric capacity
adapted to efficiently utilize Lean gas like blast furnace gas (calorific value ~ 780
Kcal/Nm3). Importantly, the lean gas burner comprises rectangular shaped gas
slot(s) of suitable dimensions worked out in a gas distributor arranged ...
There is disclosed an automatic sampler system for sampling dry solid from bulk flow
through a chute involving an electro-mechanical system wherein a scoop rails goes inside
chute to collect sample from free flowing solid material. The sampler collects the material
for a pre selected period and comes out with the...
The present invention relates to designing the alloy chemistry (1), hot rolling (5) parameters and optimize decarb-annealing (8) conditions to achieve low core loss value and high magnetic permeability in all directions of the Cold rolled non-oriented (CRNO) electrical steels strip. The alloy chemistry (1) of the st...
An oil based mould lubrication system for a multi-strand billet caster is disclosed involving
AC(Alternating Current) motors, VWF(Variable Voltage Variable Frequency) drives, and
pumps, having a working and standby pump-motor arrangement for recirculation of oil at
precisely controlled rate, working lubrication c...
A high strength hot rolled steel (UTS>500 MPa) product with high formability and a
process for production of such steel product is disclosed wherein maximum load in
the finishing strand is limited to 25 Mega Newton (MN). More particularly, the
invention is directed to producing low carbon low alloy steel with hig...
ABSTRACT
ZIRCONIA DOPED MgAl2O4 SPINELCERAMICS CONTAINING NANO-CARBON WITH ENHANCED PROPERTIES AND A PROCESS FOR PREPARING THE SAME
The present invention relates to Zirconia doped MgAl2O4 ceramics with enhanced properties which comprises nano-carbon particularly in fine form as an additional component in the i...
The present invention relates to a Low Cost Automatic Water Spraying System comprising a
pair of sensor means- sensor 1 and sensor 2; a pair of circuit- circuit 1 and circuit 2
operatively connected with the sensor means; a processor means operatively connected with
the circuit means; a solenoid valve; a sprayer ...
The present invention relates to a control system for drives of Crop Cum Cobble (CCC)
Shear, Rotary Shear and Pinch Roll of Merchant Mill for stabilized rolling by adjusting field
current and armature voltage to eliminate front end hook cut/ bends and thereby
improve mill availability. The system ensures improved...
The present invention relates to a new method of sintering process by addition of
calcined lime in the form of lime-water solution, i.e., milk of lime (MOL) in sinter mix
for low specific consumption of calcined lime in achieving higher productivity of a
sintering plant.
ABSTRACT
AUTOMATIC REAL-TIME DAMAGE DETECTION SYSTEM FOR CONVEYOR BELT
The present invention relates to an automatic real-time damage detection system for conveyor belt, comprising at least two detectors fixed on the structure of conveyor belt; at least two proximity sensors, outputting contact and non-conta...
ABSTRACT
PROCESS FOR PRODUCTION OF BORON CONTAINING HOT ROLLED SOFT STEEL THROUGH FERRITIC ROLLING AND THE PRODUCT THEREOF.
The present invention relates to a process for production of boron containing hot rolled soft steel through ferritic rolling. More particularly the present invention relates to a method e...
The present invention relates to an improved control system for roll coolant emulsion
system of cold rolling mill. More particularly, the present invention relates automatic
control of emulsion in Tandem Mill of Cold Rolling Mill as per the requirement of mill
operation.
The present invention relates to a process for producing steel in electric arc furnace using
lancing slag which is a solid waste as cost effective substitute to steel scrap. More
particularly, the present invention is directed to a process for steel production in electric arc
furnace using lancing slag generated ...
ABSTRACT
TITLE: LOW-Ni AUSTENITIC STAINLESS STEEL WITH SUPERIOR MECHANICAL PROPERTY AND CORROSION RESISTANCE AND A PROCESS FOR PRODUCING THE SAME.
The present invention relates to low cost low-Ni austenitic stainless steel with superior mechanical property and localized corrosion resistance and a process for p...
ABSTRACT
TITLE: A SYSTEM FOR LIFTING TOP SPRAY HEADERS USED AS LAMINAR COOLING SYSTEM AT RUN OUT TABLE PRIOR TO COILING AT HOT STRIP MILLS.
The present invention relates to a system for lifting top spray headers of laminar cooling system at run out table (ROT) at Hot Strip Mill, involving controlled pneumatic ...
The present invention relates to an improved system for measurement of strip width
during hot rolling of steel in a hot strip mill and a method thereof. The system for
measurement of strip width during hot rolling of steel in a hot strip mill comprises, an
image capturing device for capturing the image of said ho...
The present invention relates to wireless signal transmission system for rotating
turret of a continuous caster for controlling electrical equipment mounted on a
rotating structure such as the turret of a continuous caster. The signal transmission
system has been designed using wireless modems, RTU cards, weighin...
The present invention provides system and method for pre-hydrating calcined lime during the sintering process. The system and method generates hydrated lime solution (calcium hydroxide) at an optimum concentration ratio and subsequent addition of hydrated lime solution to sinter feed at an optimum feed rate, to impr...
The present invention provides a process for briquetting of ferro manganese and silico
manganese fines. In the present invention cement is being used as binder and clay is
being used as additives. The curing process according to the present invention provides
sufficient strength to manufactured briquettes to main...
The present invention relates to an EPABX(Electronic Private Auto Branch Exchange) based audio conferencing system adapted to address/interact with multiple, preferably 128 subscribers/users on telephone for conferencing or plant control. The EPABX based audio conferencing system enable communication of desired audi...
A slime beneficiation process and system for treating slime obtained from the
existing ore processing in Crushing Screening and Washing (CSW) plant for recovery
of valuable minerals from the rejects is disclosed. In the slime beneficiation process
according to the present invention slime from washing plant is pum...
The present invention relates to a sinter mix charging system for sinter machine adapted
to enhance productivity and yield. More particularly, a magnetic braking feeder based
sinter machine charging system is disclosed which reduces the falling velocity of the mix
by magnetic braking effect, which in turn increas...
The present invention relates to an improved sealing system of dust-legs of
Sinter Machine comprising of: at least one Double Cone Double Acting Valve
(DCDAV); at least one programmable logic controller (PLC) configured for the
control for the said DCDAV; and the said DCDAV"s are driven through roller &
cam-leve...
The present disclosure provides a system for gauge control of a rolled product in a rolling mill including a plurality of stands (102, 104, 106 and 108) arranged in tandem, the system including: at least two thickness gauge means (130 and 140), wherein at least one thickness gauge means is installed between First an...
A SYSTEM FOR MONITORING OF RAW MATERIAL MOVEMENT
The present invention relates to a system for monitoring of raw material movement, said system comprising a plurality of cameras respectively positioned at different locales in an area, each of said cameras outputting video content; at least one digital video rec...
The present invention relates to low moisture castables for preshaped and prefired
burner block for reheating furnaces. More particularly, the present invention is
directed to providing high alumina containing andalusite based low moisture castable
refractory composition and a process for manufacture of such cast...
The present invention relates to a handling and placement device for sintering plant ignition
hood refractory cast beams avoiding the limitation of EOT crane approach over ignition
hood. The device involves a roller table which has been fabricated and fixed over a pair of
horizontal beams placed on two sides outs...
The present invention relates to an improved automation system for control and
online diagnostics of drives in Furnace Area of merchant mill in a steel plant. More
particularly, the present invention is directed to a centralized Programmable Logic
Controller (PLC) and remote I/O (Input/ Output) based monitoring a...
The present invention relates to a system and a method adapted to monitor and diagnose the
bearing defect of machine which is running at a low speed. The system is provided to monitor
and diagnose the bearing defect/fault of a machine/equipment which is running at a low speed.
The system comprising a model means ...
A system for predicting strip temperature in finishing stands of hot strip mill involving
mathematical-Statistical-Artificial Neural Network(ANN) based hybrid thermal model for
online acquisition, analysis, and predict temperature along strip length before and after
each stand of finishing stands of hot strip mil...
The present invention discloses an improved control system for single stand hot and cold rolling mill. The control system comprises at least one digital DC drive with incremental encoder for main mill motor, at least two DC drives of individual screw down motors, at least two absolute encoders for position feedback ...
The present invention relates to an improved method for controlling bulk
density of coal blend comprising of mixing an solution of magnetic water with
coal blend to control the moisture level.
The present invention is directed to a process for pre-treatment of coke oven effluent
using sonication of reaction solution adapted to reduce/ eliminate the toxicity level, along
with associated recalcitrance of the wastewater. Importantly, sonication of coke oven
effluent is carried out using an ultrasonic gene...
This invention relates generally to a system and method of improved hydraulic circuit for strip guide control and more particularly to an independent hydraulic system for strip guide control of pay-off reel where the equipment can be self sufficient to cater its input hydraulic oil requirement instead of depending o...
The present invention relates to a process for manufacturing of briquettes from ferro manganese and silico manganese fines of 0-10 mm preferably 0-3mm size, by using selectively resol type Phenol formaldehyde as binder for the first time for making briquettes wherein Quantity of resin and mixing sequence had been su...
A ladle cooling stand system adapted to use forced air convection cooling of hot steel ladles,
for repair of working lining or relining after full life of campaign. The ladle-cooling stand
system is capable of cooling hot steel ladles of 130-300t capacity. The system uses forced
air convection cooling of ladles f...
The present invention relates to an improved bath heating system for
sulphuric acid pickling line comprising of a tantalum shell & tube heat
exchanger, an automatic temperature control arrangement, and a flushing
arrangement to clean the tantalum heat exchanger.
Niobium micro alloyed high strength cold rolled formable grade (YS: 280 Mpa min. and rm :1.25 min.) of steel and a process for its manufacture through continuous casting-batch annealing route. A thermo-mechanical study directed to selectively provide for the finishing and coiling temperatures for achieving the prefe...
A system for controlling burner operation for effective gas mixing and burner management for ignition furnace for sinter plant is disclosed. The invention is directed in particular to an intelligent system for software enabled selection of control mode of gas mixing to achieve constant Calorific Value (CV) and relia...
The present invention relates to an improved charging-side wall and / or discharging-
side wall for sinter ignition hood. More particularly the present invention discloses
modified ignition hood charging-side and / or discharging-side wall to economize fuel
gas consumption and / or protect the ignition hood charg...
The present invention relates to a method for effective performance of ceramic coat on galvanizing pots for the reduction of the formation of dross at the galvanizing pot and molten zinc interface. A method for dross and wear reduction in steel galvanizing pots, the method comprises steps of cleaning of the pot surf...
The present invention relates to the process for manufacturing of a as-rolled high strength steel plates comprising the steps of charging and casting of the different compositions of raw materials in Basic Oxygen furnace; refining of the castables using Vacuum Arc Degassing (VAD) Unit; continuous casting of the allo...
A photosensor based system that is simple, low cost and at the same time, highly reliable and safe, for aligning of ladle with tundish at continuous bloom casting. The system of alignment minimizes delay in said aligning time and ensures that liquid steel pours at the center of tundish. The angular position change d...
The present invention relates to a high strength hot rolled steel with low Ductile brittle
transition temperature (DBTT), comprises (by weight %): 0< C≤ 0.1; 0< Mn ≤ 1.2; 0< S≤
0.02; 0< P≤ 0.025; 0.25≤ Si≤ 0.035; 0.02≤ A1 ≤ 0.05; and 0.35≤ Nb≤ 0.45. In a preferred
embodiment, a high strength hot rolled steel with...
The present invention relates to A process for continuous discharge of slabs from walking beam furnace of plate mill comprising the steps of placing the slab in front of the left side pusher in a centered position, opening the furnace door, pushing the slab inside the furnace, taking the pusher back from the furnace...
A system for precise cutting of the tail end of transfer bar at crop shear before finishing
stand in a hot strip mill involving Fiber Optic Hot Metal Detectors (HMD), Pulse tacho and
controller means. In the above system the pulse tacho is adapted to sense the rotational
speed of the pinch roll having constant di...
A non-contact method of length measurement of plate on roll table involving CCTV camera
and monitor unit. The length is displayed in the operator"s cabin to operate shearing of plate
to desired length. This method helps in cutting the rolled products according to the required
dimension within desired accuracy and...
A thermo-mechanically treatable steel having selective low alloy composition free of micro
alloying and high Manganese content to achieve selective microstructure adapted to
provide higher improved strength-ductility combination and corrosion resistance. The
desired properties of strength, ductility, weldability ...
A Rotary kiln for lime calcinations having refractory lining at different zones providing higher
hot strength and abrasion resistance and longer operating life before relining. The refractory
lining uses highly abrasion and thermal shock resistant 70% Al2O3 containing new
generation monolithic(NGM) refractory lin...
The present invention relates to an air wiping header adapted for high surface quality of strips. The header (5) comprises header box means (10) defining plurality of arms extended to a predetermined distance, plurality of nozzles (11) located on the header box (10). The nozzles (11) have appropriate spacing among e...
The present invention relates to An improved process for the production of direct reduced sponge iron in a rotary kiln using non-coking coal, which process comprises charging predetermined amounts (proportions) of iron ore,
return char and limestone or dolomite in a preheating kiln, preheating the mixture to a temp...
A wagon tippler comprising of warm redundant PLC & VFD based digital control system for control of continuous rotary wagon tippling operation is disclosed. This system comprises of VFD grade squirrel cage induction motor mounted with incremental encoder for speed feedback. It has a Model based MASTER-SLAVE configura...
This invention relates to the development of AI2O3-SiC-C refractories based lining design for hot metal transfer ladle and ladle for hot metal transfer comprising AI2O3-SiC-C refractories based lining structure of predetermined shape to reduce mouth jam and bottom build-up. More specifically, it is concerned with th...
The present invention relates to a process for improving castability of Zr-bearing steel for continuous casting. The process steps comprises selecting a batch composition of raw material comprising C, Mn, Si, N, Cr, S, P, Zr, Al, Fe selected in specific wt %.The batch composition is melted for liquification to form ...
A process directed to reduce oil and moisture content in iron fines containing oily steel mill
sludge generated during the rolling operations and the like on a sustainable basis. The
present process treats the secondary sludge-oil-water emulsion containing fine sized iron
bearing particles, for recycling to the s...
A composite lining system on the shell walls of the abrasion prone areas of steel
plant/equipments such as wind leg/bend leading to wind box for desired air suction in
sintering plant. The composite lining of the end wind legs and bends, where
erosion/abrasion is maximum, provided with ceramic tiles made of dense...
A system for cooling hydraulic oil in excavators to achieve improved performance and reliability by improving cooling efficiency of the hydraulic system avoiding overheating of oil. The present invention is directed to the advantageous selective vertical disposition of the oil cooler of excavator and the connecting ...
A high strength (more than 1500 MPa) austempered ductile iron, also known as ADI, suitable for manufacture of various high performance components in steel plants/rolling mills for different service conditions and also at high temperatures, due to its excellent combination of superior mechanical and metallurgical pro...
Alumina magnesia carbon (AMC) refractory bricks for bottom impact pad to enhance lining
life of ladle. More particularly, the AMC brick lining at the ladle bottom impact area favour
limiting the wear rate of the bottom lining layer even at high operating temperature in the
range of 1600-1700°C with repeated cycle...
A method for continuous production of clean tar of consistent quality by selective horizontal decanter centrifuge and subsequently the said clean tar is used to produce customized binder pitch, impregnating pitch and zero QI (Quinoline Insoluble) pitch deploying vertical bowl separator. The present invention is also...
The present invention discloses modified roof of sintering furnaces in steel plants
for curtain flame ignition technology including an arrangement of burners and
support system which is light in weight requires lower maintenance, economize
fuel gas consumption and protect the ignition hood from overheating and da...
Carbon-Manganese strap steel with high strength and ductility is for intended use in packaging of coils and sheet piles. A selective alloy chemistry of the steel in BOF after treatment for Sulphur control before continuous casting into slab with specified degree of superheat, help achieve desired properties after ho...
A coke oven gas cleaning device for cleaning of coke oven gas, utilized in the down stream
equipments and processes in steel plants, to make it free of any fine particles or trace of
small amount of impurities such as the organic compounds like the naphtha, tar, benzene,
even when present in gaseous form, in said...
Thermal spray alloy coated BOF stack tubes panels directed to improved performance and
extended operational life. More particularly, the thermal spray coating process is directed to
providing selective alloy composition and optimized spray parameters to protect the BOF
stack tubes from erosion and corrosion of tu...
The present invention relates to an improved configuration of the bottom idler/roller for
belt conveyor adapted for reduced wear/corrosion and enhanced life of roller. More
particularly, the invention is directed to an improved corrosion resistant surface treatment
with rubber lagging on concentric pipes that for...
A coiling system for thin metallic strip which avoids problems of the strip head flying and deviating from the center of the rolling line, and thus provides an easy and cost-effective method to avoid cobbling of said strips during coiling process thereby decreasing operational delays and increasing productivity of a...
The present invention relates to premixed type mixed gas injection burners for
combustion system in reheat furnaces adapted to utilize mixed gases of high calorific
value. A concentric dummy pipe is inserted within the gas nozzle of existing injection
burner to reduce the effective cross-sectional flow area by ab...
The invention is directed to producer gas burners for reheat furnaces adapted to
generate high flame temperature by way of high thrust flame and hot gases that sweep
above the metal stock e.g. metal billets/ pencil ingots inside the reheating furnace.
Advantageously, the high thrust flame further ensures proper a...
A method of improving the productivity of the sintering machine by air injection at a specified location, preferably where combustion zone thickness is high such that this increases the air filtration velocity. The selective location of air injection during the sintering process, reduces the combustion zone thicknes...
A system of removal and fitment of the final drive shaft (FDS) and drive gear assembly in a simple and cost effective way without involving any heavy duty hydraulic press machines or cranes to dismantle and reassemble said final drive shaft and drive gear assembly and method for its use for dozers. The system basica...
The present invention relates to an improved device for roof carbon cutting for coke oven comprising of a beam for carrying cleaner blades on its outer end; mounting means for mounting the rod to the beam; cutter wheels for carrying out the cleaning operation and an improved method for roof carbon cutting for coke o...
The present invention relates to a system for weighing coal charged into the oven in a charging car. The system comprises plural counting means (E31, E32, E33, E34) connected with feeder means (5) of the motor, plural current sensors (CS1, CS2, CS3 and CS4) to sense the feeder motor current such that the counting me...
The present invention relates to a method for stator winding of high speed (3000 RPM)
High Tension (HT) 11KV Motor, having selective two-tier insulation for the inter-turn coils
adapted for high inter-turn voltage and high supply voltage. A method for
installing/replacing damaged coils in situ for such HT Motors ...
A fixture for turning of various large commutator.The fixture is of universal application and comprises base palte(2)mounted over L-shaped angular plates(1)and tool post with means for turning is mounted over the said base plate.The fixture is such that the tool post is adapted to be inserted between rocker ring and...
A system for enhancement of carbon and size segregation of sinter mix for sinter bed preparation resulting in uniform heat generation through the sinter bed height. The system comprises means (1) for providing sinter mix; means (2) for drawing the sinter mix; and screen type charging means (6) for segregation of sin...
A Method Of Manufacture Of Corrosion Resistant Low Carbon Low Alloy (Lcla) Steel For Water Pipelines
A steel alloy composition and a process for manufacturing the steel alloy
composition and water pipelines with improved corrosion resistant property. The
composition comprises 0.20 to 0.25 wt% copper, 0.75 to 0.95 wt% manganese
and 0.07 to 0.09 wt% carbon such that the amount of two-phase lamellar
aggregate (pea...
The invention is directed to a process for recovery of zinc from top dross formed in
galvanizing processes and recycling of the same in the molten bath. The invention
recovery of Zinc from the Dross produced during galvanization is achieved by selective
addition of exothermic compounds/powder in the bath during o...
The present invention relates generally to continuous rolling mills for rolling cold metal
strip, and more particularly to an improved manually operated new edge guide system and
method for adjusting the strip edge relief in the edge region of the material being rolled.
The present invention relates to An improved method of scarfing to improve the
shape of the plates is introduced in special quality steels comprising the steps of
scarfing of the edges of the slab is done first, and then scarfing the other portions
of the slab to a depth lower than the edge
The present invention relates to a photosensor based system for measuring torque up to
elastic limit of a spindle in a rolling mill. The system comprises a pair of shafts (1), at
least a pair of rolling means (3) mounted on the shafts (1), at least one driving means
being operatively coupled to said shafts so as ...
A close loop speed control system has been developed for a continuous strip rolling mill
directed to optimize inter stand tension / looping tendency for improved dimensional
accuracy of rolled section and reducing wastage. The system controls the speed of group
rolling stands driven by DC motors whose armatures r...
Iron ore sintering process and sintering machine and, in particular, to iron ore sinter
manufacture and system therefore which would enable faster sintering speed and
increase in productivity sintering machine. The process and system of the invention
basically involves providing the desired sinter mix in a sinter...
The present invention relates to a system for measurement of pushing current in a coke oven battery. The system also provides for bilateral communication of data between the pushing car and the main control station. The system comprises data acquisition system located in the pusher cars and operatively connected to ...
The present invention relates to a system for identification of oven for on-line scheduling of ovens in a coke oven battery facilitating cost-effective and efficient automatic identification of ovens during pushing and leveling operation for on-line scheduling of ovens. The system comprises two IR transmitting means...
A method for determination of cooking index of each coke oven in a battery for detection of coke readines by evaluation of the actual progress of carbonistion in each oven The method comprises the steps of determining the pack temparature(tmax_temp)from raw gas temparature profile for each oven; determining the time...
A system for automatic control of the heating and regulation of a coke oven battery to obtain optimum battery performance. The system is a combination of feed forward and feed back mode of operation and comprises means adapted for computing the heat demand; means adapted for computing the heat consumption; and means...
The present invention relates to a system for management of water treatment adapted for multi-parametric optimization involving dosing of treatment chemicals through physical method. More particularly, the system enable automatic controlled dosing of chemicals/compounds of unknown characteristics available as patent...
In a rolling the entry side guide gap measurement and control system comprises of Incremental Encoder. CAM Switch, Programmable Controller System, Buffer amplifier, Display Unit and PC based Man Machine Interface. The new system has replaced the earlier selsyn system based guide gap measurement system which was less...
The present invention relates to a safe, simple, economic and efficient process for the
Coke Oven Effluent Treatment subjecting the left over cyanide complexes in the biologically treated coke oven effluents in BOD plants to treatment with Ferrate such as to selectively carry out Ferrate oxidation and removal of le...
The invention relates to a wear resistant screen deck for screening of the BF grade coke of desired size and its process of manufacture. The composite deck plates comprising deposition of a top layer of iron based chromium carbide alloy over mild steel base plate for BF coke screening application. The composite top ...
TITLE: MACHINE FOR ROLLS IN COKE CRUSHER SYSTEM.
THE PRESENT INVENTION RELATES TO INSITU TURNING MACHIEN FOR ROLLS IN COKE CRUSHER SYSTEM. THE IN SITU TURNING MACHINE COMPRISES PEDESTAL FORMED OF MATERIAL WITH HIGH ELASTIC LIMIT AND MECHANICAL PROPERTIES BEARING THE TURNING MACHINE; STATIONARY CYLINDRICAL SHAFT; ...
An apparatus for estimation of the scaling potential of moderately hard water either individually or collectively comprising means to provide accelerated scaling process, means to provide adjustable flow rate of water from the feed water tank (1) to the collection tank (9), a dosing line (11), heating element (12) a...
The present invention relates to an electronic device used in telecommunication field for continuous monitoring and alarm apparatus for telephone cable, and more specifically to an apparatus for continuously and efficiently monitoring the status and health of multi pair copper telephone distribution cable laid in th...
A method of enhancing the effective life of H. T. motors after repairing/servicing which would be simple, fast and importantly also cost-effective. Importantly, the process involves interchanging of position of supply leads with star lead and vice versa to successfully enhance the effective life of variety of H.T. m...
The present invention relates to carbon coated refractory grains and a process for
developing such grains for the purpose of making refractory bricks or castables using such
coated grains. Such coated carbon are insoluble in water and a carbon solution form film
over the grains. Carbon black used for the coating ...
A voltage conditioning unit for use as protective interface between incoming power supply
and an application device to ensure transmission of regulated power in correct format so
that the margin of safety to an existing system/device and its operation is significantly more
reliable, within its designed tolerance ...
A system for producing aluminium shots/cubes involving an aluminium melting furnace for use in steel melting process for deoxidation. More particularly, a coke-oven gas fired mechanized melting furnace with special type burners to achieve higher productivity and lower cost of Aluminium shots of required quality prod...
A low-cost corrosion resistant stainless steel composition for alleviating corrosion in gas cleaning units of integrated steel plants, said composition comprising 0.02 - 0.035 wt % C;0.50 - 1.20 wt % Mn;0.2 - 0.6 % wt Si; 0.02 - 0.04 wt % P;0.005 - 0.02 wt % S;10.0 - 13.0 wt % Cr; 0.03 - 0.50 wt % Ni; and 0.001 - 0....
The present invention deals with online determination of SCR (Silicon Controlled
Rectifier) status in drive systems, that is it deals with line monitoring of SCR (Silicon
Controlled Rectifier) status in thyristorised drives and the said device consists of only
minimum simple discrete electronics components.
...
A modified and improved dual line automatic greasing system having improved changeover
valve comprising of detent type solenoid valve for selectively disposing grease at the
consumption points in heavy equipments through dispensing lines. Importantly, a solenoid
operated 2 position 4 way spool type direction cont...
The invention relates to a system for automatic heating control for batch type Bell annealing
furnaces. More particularly, the heating control system suits operation in a plurality of
furnaces simultaneously by selective control on deciding parameters like the time for heating/soaking and the temperatures relating...
The present invention relates to an external sealing tool devised for closing and sealing the ends of pipes subjected to internal pressure comprising of,a housing adapted to fit within the bore,means on the housing for connection to pipe having a passage there through for conveying test medium(water)wherein the hous...
Thick web asymmetrical rails suitable for application in railway track, switch/points and the like and a process for production of such rails. More particularly, the thick web asymmetric rail section meet the service requirements for the railways with desired dimensional accuracy and tolerances and physical properti...
High Strength Formable Niobium Microalloyed Hot Rolled Steel Sheet And A Process For Its Manufacture
A high strength formable quality hot roiled steel having tensile strength given by YS: 460
MPa min, favoring applications in automobile industry for crash resistant car body. The
present invention is directed to achieving improved forming properties along with high
strength in steel by selective addition of Si in...
A tunnel kiln for heating ceramic white ware involving selective use of refractory lining of ceramic fibre module adapted to keep the steady state conductive heat loss through wall at minimum, has been provided to reduce the shell wall temperature by about 30°C compared to existing level in conventional operation, a...
The present invention relates to a control system and method for predicting thermal status with suitable control strategy increasing the thermal efficacy of blast furnace stoves.The system comprises a supervisory control module operatively interfaced with a data acquisition system.Supervisory control module comprise...
The invention relates to a system for predicting accurately the finishing entry temperature
based on input temperature of last roughing stand in HSM, involving mathematical-
Statistical-Artificial Neural Network (ANN) based hybrid thermal model to determine
temperature profile along length of hot rolled transfer ...
A low cost, on-line contact-less automatic system for sensing and reducing the amount of cobbles by means of microprocessor based control. The sensing of metal/cobble is carried out selectively by photosensors(PS) and load current sensors(CS) located in selective positions for each metal strand in different rolling ...
TITLE: ROLL CHOCK CLAMP ADAPTED TO CONTROL AXIAL MOVEMENT OF CHOCK IN LIGHT
STRUCTURAL ROLLING MILL.
A roll chock clamp device adapted to control axial movement of chock in light structural
rolling mill for precise aligning of the roll groove profile, while ensuring a rigid support for
the rolls free of any vibr...
A high strength low alloy steel composition and a process of controlled rolling of ingots cast
from said steel grade adapted to provide the combination of weather resistance, higher
strength, improved toughness and comparable elongation properties. More particularly, said
manganese rich and Nb microalloyed contro...
A low carbon (0.06%max) Al killed steel with Boron for achieving improved cold reducibility, preferably consistently over 90%,with reduced mill load during cold reduction. The composition of hot rolled steel comprise of the constituent elements e.g. C, Mn and N restricted to low levels such as 0.06 %, 0.25% and 80 p...
The invention relates to developing a standard operating practice for re-sulphurisation of alloy steel, e.g. crank shaft quality (CSQ) steel grades to achieve consistency in sulphur recovery in the range of 10% to 20% so as to limit sulphur content within a narrow band from 0.022% to 0.033%. The standard practice fo...
The present invention relates to an improved hydraulically operated roll squeezing
system for arresting the carry over residuals on cold rolled strip comprising of:
hydraulic cylinders on both ends for actuation of top squeezer roll;
hydraulic power-pack for supply of pressurized hydraulic oil to the hydraulic
c...
An Online System For Hot Saw Blade Cooling During Cutting Operation With Improved Cooling Efficiency
An on-line cooling system adapted to arrest the temperature rise of the hot saw blade comprising nozzles adapted to spray water jet at selective pressure and flow rate, through
two specially designed parallel cooling headers fitted with in- built nozzles that impinge
water jet from both sides of the circular saw t...
The present invention relates to an improved high performance lubricating grease
composition useful for preventing seizura of work roll bearings in the finishing stands of
hot strip mill by effective lubrication and protection of the mating surfaces of the rolling
elements in actual practice through lowering of b...
The present invention relates to an apparatus for pre-heating of sinter charge comprising of a steam injection unit for the spray of steam inside the bailing drum: at least one control valve and shut off valve to regulate the flow of steam inside the balling drum to pre-heat the sinter charge & suppress the re-conde...
A system for controlling and monitoring mechanisms of finishing groups in Rail and Structural
Mills(RSM). More particularly, it is a PLC based system of nine different nodes comprising two
PLCs and six remote I/O nodes and one PLC programming station covering mechanisms in
four separate groups in two machine hall...
System for detemriining the effectiveness of a shroud in tundish stream during continuous casting of steel so as to prevent undesired oxygen intake from atmosphere is provided for all types of gas shrouds e.g., Can, Pollard and Ring shrouds as well as all mechanical shrouds. The system may be used for tundish nozzle...
The present invention relates to a water-cooled Multi-channel Monocondenser glass
apparatus for determination of porosity of powdered metallurgical coke. More particularly,
the present invention is directed to developing a multi-channel monocondenser device
adapted to reduce evaporation losses and improving conde...
The present invention relates to an improved control and monitoring system for operation of multiple hot saws and associated auxiliaries in steel mill. The system comprises controller desk means (4) being designed with plurality of switch means, operational modes, controller means, relay means operatively interfaced...
This invention relates to a process for the recarbonation of lime.
It is well known that lime is used extensively in steel plants in Basic Oxygen Furnaces (B. O. P.). While transporting time, a lot of fines are generated which leads to a loss of lime as it does not take part in the reaction and goes out into the at...
A simple and cost-effective method of replacement of worn out slew bearing(SB) used in the heavy duty turret(TR)with top frame(TF) The method includes simple lifting of the top frame(TF) with turret by about 120mm, using preferably hydraulic jacks at selective support points and a temporary bearing supporting struct...
The present invention relates to an environmental friendly fire clay refractory brick composition
especially adapted for the use in general purpose refractory applications having 25-40% alumina
(Al2O3) content. The composition comprises (i) coal fly ash as the main matrix comprising 45 to 51 wt.
% Si02; 22-30 wt....
The present disclosure relates to an insulating refractory brick comprising a mixture of
fly ash about 60-85%, calcined plastic clay 30-15%, waste green coconut fibers in very
fine from / paste form 5-15%, waste lime powder 2 to 3% and water is added so as to
obtain moldable / extrusionable mixture wherein quanti...
A faster process of sintering and improving quality of sinter product and a system
apparatus/ to carryout such process. More particularly, the process is directed to faster iron
ore sintering process that would improve sinter quality in terms of sinter strength, reduction
degradation index (RDI) decreased from ex...
The present invention relates to a control system adapted
for controlling heat in coke oven battery. The system
comprises plurality of modules, which includes first module
(Ml) having plural sensing means (4,5) operatively mounted
on the oven batteries for sensing various process
parameters. The acquired parame...
A steel composition for producing superior quality concast billets at high speed comprising,
Carbon: 0.20-0.25%; Sulphur:0.03%(max); Silicon :0.20 to 0.30 %; Manganese :at least
0.75, selected such that the Mn/Si ratio is maintained at least 2.9 and Mn/S ratio at least
25.0 and or alternatively Carbon: 0.4-0.6%; ...
The present invention relates to an improved process for the production of Cr-alloyed
spring steel billets through BOF-LF- LTS-CC route using open stream billet caster. The
present disclosure elaborates stringent quality requirements of spring steels, which are
major deterrents against production of spring grades...
A Vanadium Micro Alloyed High Strength Rail With Improved Yield Ratio And Its Process Of Manufacture
A rail steel composition having Vanadium Micro-alloying directed to achieving high
strength(UTS 960MPa) and improved yield ratio (YS/UTS) of over 0.52 coupled with high
wear resistance and moderate toughness. More particularly, the invention relates to a
vanadium micro alloyed rail steel directed to achieve even ...
A system for improving productivity and speed of sinter machine and a process thereof
adapted to control the air-volume distribution along the length of the sinter machine bed
such that the air flow in initial length of the sinter machine is restricted and also achieve
extension of retention time of heat holding ...
A system for Online Purging (OLP) of Argon gas during tapping of liquid metal and transfer
to LHF, to enhance mixing of ferro-alloys during tapping and to counter the effect of
thermal stratification ensuring homogeneous composition of molten steel sent for
continuous casting. The purging process during tapping u...
System And Method For Determination Of Bond Strength Of Ribbed Bar And Anchorage Material Composites
This invention is directed to a system involving an apparatus for testing and measuring of
the bonding strength between ribbed steel bar and the adherent cement/resin/concrete
composite. More particularly, the present invention is adapted to measure the bond strength
by pull out test of the ribbed bar with cement...
A Slow speed spiral classifier (SSSC) adapted for enriching the quality of valuable minerals
wherein the variable feed entry points provided to achieve effective rejection of gangue
minerals depending upon the characteristics of the valuables and gangue mineral particles
and desired movement of the particles in t...
A system for improved on-line control of hood annealing process involving centralized
monitoring and controlling all critical process parameters of annealing cycle, directed to
achieve improvement in quality throughput as well as reduction in energy and protective
gas consumption. The control and monitoring of cr...
A system for automatic temperature control of the Pusher Type Reheating Furnace for
desired reduced heating during shut-down. The invention particularly involve an Expert
System based programmed Delay Strategy for reduced heating through different zones of
the reheat furnace during a block/shutdown period to ther...
The present invention relates to improved lining pattern for steel ladles and
magnesia - carbon and alumina - magnesia - carbon refractories for use in
linings of steel-making vessels and a method for designing said improved lining
pattern for steel ladles used for refining operations comprising of providing
alu...
The present invention relates to a system to increase production and productivity in
continuous coil corrugation plant producing Galvanized Corrugated sheets. More
particularly, the system increases the rate of production of Galvanized Corrugated Sheet
by simply feeding galvanized sheet coil from one additional "...
The present invention relates to an electronic system for detecting the root cause of failure of turbo-blower. The system comprising electronic devices adapted to detect and time stamp the alarms and their sequences of tripping signals, relating to operation and status of performance and efficiency of Power and Blow...
The present invention relates to a system for a sintering machine for continuous compacting and sintering of materials, in particular for a steel Plant, for iron oxide is the powdery iron raw material as a principal component, equipped with three sector gate operation and bed height is varying across the sinter bed,...
A low carbon, cold-rolled, annealed and skin passed Extra Deep-Drawing(EDD) Quality
Steel for use in automobile outer body components and the like, produced following the
BOF-CC-HSM-CR-Batch annealing and Skin Passing route. In particular, the invention is
directed to steel sheets having high formability along wi...
A system for control and monitoring of a group of exhauster mechanism operated by HT
induction motor of Basic Oxygen Furnace (BOF) converters of Steel Melting Shop (SMS).
More particularly, the system facilitate networking of the control processor units for the
standalone high power dual speed induction motor of ...
A tunnel kiln for white ware industries adapted for circulation of products of combustion
from latter half of its cooling zone to the pre heating zone comprising two horizontal hot air
suction headers, each suction header operatively connected to the kiln at cooling zone, said
horizontal headers connected to a ma...
The present invention relates to a system for detection of leading edge of moving hot billets (20) thereafter controlling movement of said hot billets in a continuous casting mill. The system comprises means for sensing temperature of the billets when the temperature crosses a
predetermined temperature threshold. S...
A control system adapted for roll bending and roll balancing and controlling the shape and flatness of the rolled strips and comprises plurality of cylinder means (13) located at the top of each bottom work roll chock, means (10) operatively connected to the said cylinder means (13) for supplying variable pressure t...
A method of optimizing the intensity of cooling for the secondary cooling of the Concast billets for different casting parameters like the section sizes of casting strand, different grades of steel, variations of steel superheat temperatures and variation in casting speed and a system to carry out such method of con...
The present invention relates to an improved drilling fixture mechanism mounted on any conventional lathe. The fixture mechanism is designed in a manner that the drilling mechanism follows a predetermined height of job fitted in the lathe and comprises plate means comprising a base plate {1) and a vertical plate (2)...
The present invention relates to the process for developing high alumina refractory cement comprising spinel phase and the said spinel phase comprises magnesia and alumina from dolomite and calcined alumina source. The said process comprises steps like selection of viable compositions comprising suitable percentages...
An Infra Red signal based system for tracking/ measurement of length of steel products in
semi-finished and finish stages in steel plants involving multiple signal interruption method,
achieved through selective disposition of one IR LED transmitter/emitter and a plurality of
selectively disposed interruptive/ref...
Fine grained (<3 micron) micro-alloyed hot rolled steel composition directed to provide fine ferrite grains in hot rolled steel strip with improved toughness and strength properties and a process for its production. Importantly, the steel composition for such purpose involve a synergistic and selective control on ni...
An automatic control system for controlling the damper position in suction line in sintering plant/machine (SP) in steel plants for advantageous control on improvement in suction at reduced specific electrical energy consumption by the exhauster motor and thereby increasing the productivity in sintering process. The...
The present invention relates to a device for proper mixing of flux powder with dross in zinc melt in the galvanizing zinc pot comprising a table to hold two steel pipes; one jack; four wheels; a reversible motor attached with two pulleys; a reversible switch and a stainless steel cylinder with both end open, having...
A single flap ldust disposal unit for wind duct of sinter machine comprising flap assembly (13), a hopper (20), plurality of sensor means (10, 17) for detecting presence of materials to be removed, actuator means (11) in operative connection with the said flap assembly (13) and PLC (21) receiving inputs from the ...
A system for Lance Position Indication (LPI) for accurate and precise on-line measurement
of oxygen lance positioning in BOF converters for steel making process in SMS comprising
(i) Lance position sensors on lance trolley; (ii) PLC based position measurement; and (iii)
Display unit for Lance positions. More part...
A soaking pit cover with self flow castable based refractory lining such as to eliminate the
problem of opening up of the joints among refractory bricks in the conventional lining. MS
hangers are welded to the supporting beams of pit cover structure with two SS 304 anchors
suspended from each of said hangers such...
The invention relates to a protection system for submersible pumps from dry running. More
particularly, the present invention relates to an undercurrent relay operated protection
system for the submersible pump adapted to avoid dry running of pumps in dewatering
application and a method of its implementation. The...
An improved process for continuous casting of 1.0 to 8.5% of nickel stainless steel slabs free from surface depression and subsurface cracks having excellent quality of surface and
subsurface. The said process comprises charging and melting of material ingredients comprising chemical composition such that liquid st...
A looper control system in hot strip mill adapted to favour provision of loop control involving contact-less sensors adapted to feed accurate looper angle feed back. In particular the looper control system includes the looper motor (LM) operatively connected to the encoder (EN) via the coupling (CO) and the gear box...
A screen deck for coke screening with inproved screening efficiency and
effective equipment life The screen deck advantageously comprises a thick plate
having slots with opening (OS) there through along one side of each said slot with
the plate material there between two adjacent slots defining finger (FP) like
...
A system for level measurement of liquid/ solid contents in containers/tanks/vessels at hazardous locations using ultrasonic instruments. In the system the ultrasonic instrument having sensor means cooperate with a conical wave guide to sense the level by generating ultrasonic wave and tracking the wave propagation ...
High strength earthquake resistant thermo-mechanically treated steel rebars for use in reinforced concrete cement (RCC) structure to make it resistant to earthquake. Such rebars are produced by subjecting starting billet of specified chemistry to selectively specifed parameters for hot rolling and intense water cool...
The invention discloses a refractory heat shield changing device for changing of heat
radiation shield in VAD involving less manpower and complexity in a safe, faster and
economic manner. More particularly, the device of the invention is portable and adapted
for replacing the heat shield with precise positioning ...
The present invention is directed to an automatic online length measuring system for moving products including moving billets in rolling mills. The system automatically measures the various base lengths of billets, minimizing measuring error and reduce scrap. Moving billet length is measured by a single array of dif...
The present invention relates to a dynamic braking system for DC series traction
machines adapted to be driven over the trolley lines existing, said system
comprising: a wheeled vehicle including at least first and second wheels, a drive
system supported on said vehicle, said drive system including a DC series
t...
The present invention relates to developing a metal carbide-metal composite based
hammerhead tip to ensure high hardness, strength and wear resistant properties. More
particularly, the hammer head tip is adapted to crush coke, lime stone, slag etc. by impact
wherein said composite comprising one or more metal car...
The present invention is directed to permanent chill moulding process for non-ferrous castings, in particular, non-ferrous side block castings. The chill moulding process that enable producing/preparing the top and bottom chill mould assembly in horizontal position and pouring of liquid metal in vertical position of...
An electronic system for measuring surface brightness of any metal/nonmetal thin sheet strip surface by comparing the intensity of reflected light from the said surfaces. The brightness percent is compared with that of a plane mirror surface considered as standard(lOO). Light Emitting Diodes (LED) connected in paral...
A high velocity gas burner comprised of a gas nozzle (1) imparting said high velocity to the
emerging gas flame from nozzle; a flame-stabilizing disc (2) provided preferably near exit to stabilize said high velocity flame. A gas-connecting nozzle (3) supplying the fuel gas at a pressure range of 200-250 mmWC and r...
There is disclosed an improved erosion resistant impact pad for use in a tundish below the ladle stream and made of refractory material characterized the following :
a) the pad is made from a castable refractory composition capable of withstanding continuous contact with molten metal, preferably from a stan...
The present invention relates to an improved fast on line system and method for
monitoring and diagnosis of health of motors (DC) and drives used in stands of rolling
mills at any instant of time. The system comprising means for acquiring plurality of
motor parameters, means for determining scan rate of said para...
There is disclosed an improved method for preparation of coal blend for use in coke making which comprises preparing a coat blend by mixing low ash hard coal and other coats in equal proportions in a slot oven in a conventional manner, then subjecting the blend to a crushing step in a conventional manner to obtain c...
A process for manufacturing high strength microalloyed TMT rebar with improved sub-zero impact toughness is provided by suitably selecting the levels of microalloying elements in the steel. The process comprises providing steel billet having a composition of 0.05 to 0.1 wt% carbon, 0.3 to 0.5 wt% manganese, 0.05 to ...
A replaceable roof for sintering furnaces for the incorporation of curtain type top mounted gas fired burner system. The replaceable roof comprises a plurality of cast beams comprising at least two main beams separating the top mounted burners and at least two end beams in contact with end walls of the sintering fur...
The invention disclosed a continuous temperature measuring device for Induction furnaces.
More particularly, it relates to a contact type thermocouple based continuous temperature
measuring device for liquid metal bath temperature measurement in air induction furnace.
It is capable of providing information about ...
The invention relates to an improved configuration of injection type pilot burner system to
light up the main burners for gas based combustion systems adapted to sucking in ambient
air for combustion of gaseous fuel without the need for blower for supplying the combustion
air. Advantageously, an outer concentric ...
The present invention relates to a sinter mix preheating system in the intermediate bunker/surge hopper of sinter machine, located closer to the sinter machine to avoid heat loss of
the sinter mix while traveling to the sinter machine to thereby reducing re-condensation of
moisture in the lower part of the sinter ...
A system for tracking the positions of rolling stock/slabs inside reheating furnace and a
method for precise control on reheat temperature, particularly, for tracking of bloom/billet
/slabs in double row, five zone, pusher type reheating furnaces to heat the metal stock
within permissible accuracy to favor for fu...
A multi-stream high capacity lean gas burner adapted to provide supply of alternate
gas and combustion air slots/passages within the burner body to facilitate rapid
mixing of gas and air streams at the burner nozzle and generate stable flame with
Jean gas. The burner of the invention basically comprises a gas dis...
A System For Online Measurement Of The Length Of Bloom Crop In Presence Of Sparkles In Blooming Mill
The invention relates to a photosensor based online sensing and measurement system
for measuring the length of crops of hot blooms in presence of sparkles in blooming mill.
A plurality of photosensors are put in separate array/stack across the bloom at an angle
of 45° with respect to the rolling line for viewing ...
The present invention relates to An improved hopper weighing and control
system for LD converters in steel plants comprising of a power supply circuit
comprising four different supplies; a load cell excitation unit; a signal processing
and tarring network; a comparator configured for comparing the outputs; a set ...
There is proposed a method for the production of 1.27 mm thick high strength C-Mn strapping
quality steel through modified austempering practice comprising the following steps:
a. Preparing steel in a basic oxygen furnace to provide the alloy chemistry was as follows:
b. Subjecting the steel to a step of ladle...
The present invention relates to A feed well for use in clarifiers whereby the input
feed is separated into liquid and solid products comprising of an inlet feed pipe
configured for easy entrance of the feed material in the feed well; a feed
distribution plate designed for inducing a plurality of vertical settlin...
The present invention relates to a low moisture sintering operation system
comprising of a feeder for feeding the sinter mix with desired moisture content to
the balling drum of the sinter machine; a magnetic conditioner for polarizing the
continuous flow of water through it; wherein the said balling drum fed wit...
The present invention is directed to providing a lightning protection device for electronic
weighing systems for in-motion weighing of loaded wagons by isolating the on-site load
sensors embedded in rail track from the instruments located at operator"s cabin,
involving spring loaded connector type 12-pin male-fem...
The present invention relates to a device to control the speed of ingot buggy carrying hot blooms from soaking pit to receiving roll tables, to avoid damage due to collision. The device senses the over speed, trips and stops the buggy prior to reaching to the roll table, through a hardware based relay logic circuit,...
A cost effective low carbon high formable hot rolled steel composition and a process
for Its manufacturing is disclosed. More particularly, a low carbon aluminium killed
high formable steel grade is claimed comprising high silicon along with boron in hot
rolled steel adapted to ensure improved cold formability fa...
The present invention relates to an electronic ladle weighing display device in
overhead cranes. It comprises a housing, a pair of PCB, power supply units (4),
plurality of display units comprises plurality of local display units (6) with plurality of
Large display units (5). The display units comprise seven segm...
There is proposed an improvement fuel oil gasification burner, comprising a pair of co-axial tubes (1/2) of which the outer tubes (2) is adapted to feed combustion air and the inner tube (1) is adapted to feed fuel gas, the tips of the inner and outer tube terminating into an expansion zone, the region immediately n...
A process for producing high strength low-alloy structural steel characterized by high
strength to weight ratio, superior notch toughness and wettability. The process
achieves such characteristic features of high strength low alloy structural steel by
lowering carbon content, microalloying with niobium and vanadi...
A method of producing improved extra hard pitch having improved coking value. The method comprises mixing anthracene oil with the road tar fraction, obtained as residue from fractionating column of coal tar distillation, heating and injecting the mixture in the pitch distillation column maintained at vacuum, air blo...
A system for identifying angular displacement of shaft comprising a perforated split disk
mounted around said shaft with clamping together of the split portions, a light source
preferably an LED and a phototransistor disposed on opposite sides of the said disk such
that on the rotation of shaft, the pulses are ge...
Visible diode laser based diameter gauge with large stand off distance adapted for non-contact method of on-line measurement especially for use in stand rolling mills having means for extending the distance between source and detection upped about 5 mitres or so, visible laser diode for simplified installation and a...
A control system for minimum tension in continuous casting comprising means for extrapolation of the current comparison techniques for dynamic in-stock control, means comprising recipe based control for seven quantisation levels, means for an integrated cobble detection and means for on-line impact drop, recovering ...
The invention provides an improved process for producing low cyanide content drinkable water from high cyanide containing waste water discharged from coke oven plants, comprising the following steps in sequence '• (i) magnesia-chrome brick bats separated from slag and metal parts are collected and crushed into sizes...
A process, for producing high strength steel plates of thickness upto 32 mm, comprising the following steps in sequence: (1) preparing molten steel of chemical composition (by weight %): C-0.12 to 0.15, Mn-1.30 to 1.40, P-0.02 max, S-0.01 max, Si-0.30 to 0.40, Al-0.015 to 0.025, Nb-0.04 to 0.06, Ti-0.02 to...
There is provided a method for the manufacturing of basic tundish cover powder for low carbon aluminium killed steel comprising:
(a) Calcining limestone in the temperature range of 1200 - 1250° C to produce calcined lime lowing 92% by weight of Calcium Oxide.
(b) Packing the product of step (a) in a conventional m...
An improved process for producing pitch for impregnating graphite electrodes used in electric arc furnaces, v/hich is capable of producing value-added pitch of low 'quinoline insolubles' (Ql) content i.e. less than 2% by weight, viscosity 60-70 centipoise at 220°C and softening point 50-70°C, from the coal ...
An improved method of preparing blended coals for carborisation in coke ovens to produce coke with improved strength characteristics which will result in reduced coke rate i.e. consumption of coke per ton of molten metal produced and increased productivity of molten metal in blast furnaces, characterised in that...
The invented instrument is capable of detecting the presence of light-emitting heated objects, light reflecting non-heated objects and any other object through the method of light interruption in different locations of steel plants and comprises of two separate units, (a) a 'sensor' and (b) a 'monitor', inter-connec...
The invention provides a process of producing dolomite bricks of improved quality for lining L.D. converters in steel plants, comprising the following steps : (a) granulating sintered dolomite/magnesia to produce grains of size 0 to 8 mm; (b) preparing the optimum batch composition containing grains of different siz...
The present invention relates to a process of manufacturing steel strap through
normalization heat treatment. More particularly, the present invention is directed to
developing steel strap usually of 1.27 mm thickness with a good strength-ductility
combination property achieved through normalization heat treatmen...
"A Pneumatic System For Injecting Powdery/Granular Materials Like Carbon Into Electric Arc Furnaces"
The invention provides a pneumatic system for injecting powdery/granular material like carbon into electric arc furnaces for lowering consumption of electrical energy. Fastening melting of scrap iron and reducing arc noise in said furnaces, comprising:
(a) a dedicated or central all-purpose compressed air supply so...
The invention provides a process of producing unsable substances in a cost effective way from waste acid sludge generated in acid washing of crude benzol, comprising the following steps : (a) mixing the waste acid sludge and a saturated ammonium sulphate solution in water; (b) allowing dissipation of the heat ...
A process for continuous casting of high carbon steel billet with improved surface quality.
More particularly, the invention relates to continuous casting of high carbon billet with oil
lubrication having carbon in the range of 0.4 - 1.0 wt. % for applications like forging,
agriculture, automobile, wire drawing e...
A process of producing sound v/elded joints in atmospheric- and marine-corrosion resistant steel bars using GMAW techinque, where the joints are adequately strong, free from welding defects and mechanically sound, characterised in the process comprises the following steps :-
(i) cleaning the area of ...
The invention provides a system for automatic control of lifting valve operation in the rolling mill of a steel plant, comprising i. tv/o photosensors which are mounted one each at the entry point of tv/o cooling beds of the rolling mill for detecting the position of the rolled bars moving therein; two field relays...
A HMI (Human Machine Interface) based control system for integrating the hydraulic down
coiler for the Hot Strip Mill (HSM) Automation system in steel plants with rest of the mill, in
simple and reliable manner. The data input and interfacing of operator through a HMI
system to the processor based control system,...
A PLC based speed control system for multiple stand tandem finishing mill of hot strip mill
(HSM), such as a six stand tandem finishing mill of Hot Strip Mill to facilitate data entry
related to the process parameters with ease and with reliability of flexible and adaptable
automation in functioning of the system...
An improved process for producing weldable quality steel of increased yield strength and corrosion resistance, suitable for construction of bridges and buildings, characterised in that the process comprises the following steps in sequence :
(a) producing primary steel of minimum sulphur content
0.04% by weight in...
A device made in the form of a cover of rectangular cross section of preferred dimensions 12.5 m in length, 4.0 a in width and 1.0 m in depth, with 6.0 mm thick mild steel sheets (1) supported on beams (4, 5, 8) disposed along the length and width of the top horizontal surface and the four vertical sides thereof, an...
The invention provides an improved process for producing annular heat-treated circular sliding and rolling machine parts like wheels of railway v/agons and locomotives, comprising the steps in sequence : (a) heating a part in a rotating hearth furnace to a temperature of 800-850°C; (b) soaking the part complete...
The invention provides an improved process for producing steel reinforcement bars of increased tensile strength, elongation at break and corrosion resistance, comprising the following steps in sequences (i) preparing molten steel in open hearth/LD furnace with addition of the required alloys mostly in ladle a...
A continuous process for producing low thiophene content benzene from crude BTX (Benzol), characterised in that crude BTX (Benzol) of composition, such as herein described, is pumped by pump (3) into ball mixers (4) of the modified acid washing system, such as herein described, along with sulphuric acid of 95-98% co...
A process for refining of Low Carbon Aluminium Killed (LCAK) steels adapted to avoid
nozzle clogging in continuous bloom/slab caster is disclosed. Selective flux
composition is developed for production of low alumina low sulphur LCAK steels
adapted to ensure desired slag properties and avoid clogging of ladle noz...
The present invention relates to a system for controlled cooling of Channel to reduce camber
formation in hot rolled channel section. The system comprises run out roller table means (12),
plurality of hose pipe means (2), floor plate means (13) comprises plurality of slots (15),
header assembly (1), plurality val...
The invention provides a device for automatic-measurement of mass flow rate of solid materials like san, lime dust and coal dust conveyed by a gas through a pipe line, for process control in industries, comprising (a) units for measuring the velocity of the bulk solid flowing through a pipe line of non-conductive ma...
A device for controlling automatically the depth of the vertical and horizontal loops formed in steel wire rods during rolling thereof in the rolling mill of a steel plant, characterised in that the device comprises: (a) a vertical loop sensor VLS of a conventional type for producing electrical signals corresp...
High alumina spinel forming low moisture refractory castable compositions comprising
preformed spinel and magnesia for in situ spinel formation also along with controlled
silica and cement addition such that high hot strength with desirable corrosion resistance
to slag is achieved. The castable compositions are s...
The present invention relates to oxidation and corrosion resistant higher carbon containing
Magnesia carbon refractory brick composition and bricks produced thereof involving a new
dual antioxidant comprising aluminium and boron carbide and a process for manufacturing
these bricks. The Magnesia carbon refractory ...
The invention provides an improved method of manufacturing Mg-Al and Mg-Cr spinel grains for making refractories used in ferrous and non-ferrous industries, comprising the following steps in sequence: (i) wet milling of 65-70% by weight of alumina (Al2O3) and equivalent amounts of Mg(OH)2 for producing 30-35% by wei...
The invention provides a dual fuel burner which is capable of producing a short turbulent flame of intense heat and suitable for burning at a fast rate fuel gases of all calorific values, especially of low calorific value, such as blast furnace gases, supplied at a low pressure of 50-150 mmWC and liquid fuels of all...
An improved screen for uniformly feeding relatively large coke lumps into a crushing machine, the screen (1") comprising a number of metallic rods (1"A) lying along the length and a number of parallelly disposed metallic rods (1"B) lying across the width of the screen, characterised in that the said rods (1"A) lying...
The present invention discloses a system and method for an online time stamped fault
detection of the cobble in rolling mills, more particularly, the present invention relates to
a merchant mill protecting system wherein wrecked (cobbled) elongated metallic
material undergoing rolling (e.g. bars or rods) are loca...
The method comprises reacting crude quinbline bases, as obtained by fractional distination of coal'tar, with saturated solution of ammonium sulphate containing 8-10 wt«% free sulphuric acid, which is supplied continuously and counter-currently with the flow of the crude quinoline bases in a reactor, followed by neut...
The invention provides a process for producing chromic acid along with sodium sulphate and magnesis dust as by-products from waste mag-chrome brick bats, comprising the steps: (i) crushing and grinding mag-chrome brick bats separated from slag and metal parts into sizes below 3 cm in a crushing machine; (ii...
An improved remote control system for operating an overhead crane in steel plants, characterised in that, the system comprises : (i) a palm-held operators console having twelve switches and an antenna for generating digital switch signals and transmitting the same over a VHP carrier wave; (ii) a VHP radio r...
Improved dampers for automatic control of air suction through hearthsof sinter machines for minimising fuel gas consumption in the hearths, characterised in that the dampers comprise a pair of single flaps (5A and 5B) having one end thereof hinged at position (4), and the other end movable up and ...
A device for injection of powder/granular material in industrial processes and in particular to a device for injection of ilmenite sand in blast furnace for protection of hearth of blast furnace. The device comprises a compressed air source operatively connected to a dispenser assembly having a convergent/divergent ...
A process and a system for producing steel sheet/strips free of oxide scale or mill scale comprising electrolytic pickling to effectuate a mechanical scrubbing of the scales by generation of gas bubbles followed by subjecting the loosened scales to high frequency ultrasonic agitation to peel off the loose scales and...
The invention relates to a method of heating for blast furnace stoves adapted to achieve
higher hot blast temperature, by deploying preferably more number of stoves on gas than
on blast results in increased gas input into the stoves, higher hot blast temperature (HBT)
and combustion raceway adiabatic flame temper...
AN IMPROVEE LOOP SENSOR COMPROSINMG OF AN ABSOLUTE ENCODER GEAR BOX OPTOISOLATOR CARD MICROCONTROLLER BOARD USING 89C52, OFFSET ADJUSTMENT CARD CAN BE USED FOR PROCISE MEASURMENT OF LOOPER ANGLE FOR THE PURPOSE OF STRIP TENSION REGULATION IN A HOT STRIP MILL. THIS UNIT SHALL BVE USED TO PROVIDE FEEDBACK TO THE STA...
Invention provides a process for preparing a magnesia based patching mass composition for repair of Basic oxygen furnace from magnesite with high iron content which comprises selecting Almora magnesia, tar and soft pitch in the following proportion and sizes.
Proportion (%) Size
Almora Magnesia 30-35 5-30 BSS
20-...
The present invention relates to an improved high performance lubricating grease
composition comprises at least 75% by weight of lubricating base oil, from about 7% to
about 15% by weight of calcium 12-hydroxystearate soap thickener, from about 6% to
about 12% by weight extreme pressure, anti wear and friction mo...
The present invention relates to resin bonded Magnesia carbon bricks composition with
improved ageing characteristics and compaction adapted to ensure enhanced thermomechanical
properties for steel ladles and method of its manufacture. Importantly, the said
method involves addition of selective polyhydric alcoho...
The present invention relates to an improved gas fired burner system having a plurality of
fin like swirlers in gas and air lines in order to anchor the flame and provide sufficient
mixing between gas and air wherein the gas is made to swirl at an angle more than that of
air for desired uniform preheating of the ...
A process for manufacturing high strength, formable and fatigue resistant steel particularly useful in the production of automobile chassis, wheel disc and rims, and such other items. The process comprises the steps of heating steel slabs having a steel composition comprising 0.02 to 0 18 wt% carbon, 0. 01 to 0.14 w...
A outside diameter (OD) protection cap for cold rolled steel coils and a system/machine for
manufacturing of said caps for steel sheet coils produced in Cold Rolling Mills/Silicon Steel
Mills. The coil OD protection cap helps avoiding damage of the Steel Coils during the
shipment/loading of finished coils and tra...
In the present invention, there is provided an improved lining pattern for use in the walls
of reheating furnaces so as to provide efficient heating of ingots, said lining pattern
comprising plurality of layers wherein at least one first layer having different thickness
of ceramic fibre (2) located in different r...
The present invention relates to a solid hearth reheating furnace with improved
thermal efficiency by incorporating differential gaseous fuel characterized by modified
gas pipelines which are bi-furcated to achieve the differential gas flow rate between
front and back end burners which includes two control valves...
There is proposed a method for the preparation of hydration resistant lime grains which comprises the following steps: a) Subjecting limestone to crushing and grinding, b) Screening the ground material and taking the material passing through 100 BSS, c) Adding dextrin solution upto about 0.5 wt.% of the powder as bi...
The present invention relates to a brick composition utilizing a combination of steel
slag from steel plant and flyash from power plant. The invention provides for Steel
slag-Fly ash brick composition and a process of manufacture of such bricks thereof.
Importantly, such bricks are suitable for use in building co...
The present invention relates to The cost-effective process technology for production of high strength steel plates in plate mills with limited mill load capacity comprising the steps of melting and casting of the different
compositions of raw materials; maintaining controlled casting parameters; and
hot rolling o...
There is provided a system for non contact type HMD based automatic kick off
operation at cooling beds at merchant mill and a method of its implementation. The
system and method ensures the automatic detection of leading edge of moving hot
bars and automatic kick off operation of bars at cooling beds. The new met...
The present invention relates to an oil based hydraulic system for roll balancing and
bending in 5-stand Tandem Cold Rolling Mill (TCM) adapted to ensure desired
controlled steel strip shape of cold rolled products, involving oil hydraulic bending
actuators connected in hydraulic circuit for precise control on ro...
The present invention relates to a modified process for refining hot metal with high
Silicon and high Phosphorus in any steel melting shop making steel through Twin Hearth
Furnace (THF) with modifications in charge mix and oxygen blowing pattern. Adoption
of this modified process results in better control of phos...
There is disclosed an improved configuration of hydraulic cylinder system for bending of
work rolls and balancing of backup rolls in cold rolling mills adapted to prevent failure of
seals by providing a double acting compact type seal capable of withstanding lateral
load caused by axial shift of rolls. The piston...
The present invention relates to a fixing system for fast, safe and simple installation of temperature sensor on vessels or the like for temperature measurements. More particularly, a quick connect-disconnect type fixing assembly/unit is disclosed for installing thermocouple/RTD etc to hoppers, vessels or bunkers to...
The present invention relates to a system for improved segregation of charge
material of sinter-mix comprising of a raw mix charging hopper; a drum feeder ;
and a charging chute including a mother plate, a magnetic plate and a protective
cover.
The present invention relates to an improved lighting up system for sinter charges
comprising of a plurality of main burners disposed on the roof of the igniting hearth
characterized by two numbers of pilot burners mounted horizontally just below the main
burners configured for lighting up the main burners for es...
The present invention relates to an improved system for online leakage detection and water flow monitoring in machine cooling water circuit for caster rolls reduce roll failure because of thermal fatigue due to under cooling . The system comprises at least one controller means for calculation for differential temper...
The present invention relates to an improved method for improvement of shape of hot
rolled coils in hot strip mill comprising the steps of fixing of cycle over tonnage for
finishing stand rolls at ≤ 2000t to improve strip profile and reduce wedge; modifying the
reduction regimes at Finishing Stands for reduction ...
The present invention relates to hot dip galvanized Zn-Mg-AI-Si-Sb coated steel
sheets with improved corrosion resistance, comprising a peripheral coating of
composition 0.25-0.75%Mg, 0.25-0.30%Al, 0.05-0.10%Si, 0.08-0.12%Sb and
rest zinc and the method for producing the same.
There is disclosed high strength hot rolled steel normalized LPG gas cylinder and a
process for its production. More particularly, the present invention is directed to
providing two grades of steel with or without Nb microalloying, having high yield
strength of 265 MPa min. and 295 MPa min. respectively after nor...
The present invention relates to process technology for production of aluminum
killed blooms with innovative alloy chemistry of steel composition (by weight %)containing: C- 0.16 to 0.20%, Mn- 1.20 to 1.40%, S- ≤ 0.035%, P- ≤ 0.035%, Si-0.15 to 0.25%, Al- ≥0.02%, V- ≥0.03% and CE- 0.36 to 0.42 suitable for making
...
The present invention relates to a system for servicing/maintenance of trailing cable
carrier trolley in overhead cranes involving a simple light weight easy to operate
adjustable tool. More particularly, the present invention is directed to providing a
simple and user friendly tool in the form of an adjustable l...
The present invention relates to a novel improved hot
rolled steel composition comprising selectively carbon (C),
manganese (Mn), silicon (Si), Sulphur (S), phosphorous (P),
boron (B), Aluminium (Al) and nitrogen and combinations
thereof wherein wt% of boron ranges from 15 to 25 ppm so as
to convert nitrogen pr...
The present invention relates to an improved process of manufacturing
naphthalene for higher yield through mechanical crystalliser route. More
particularly the improved process observes the cooling profile of charge mix in the
mechanical crystalliser and optimizes the cooling process to achieve higher
naphthalen...
The present invention relates to a cable reeling system for electrical power supply to
a wing tripper machine in a Raw Material Handling Plant involving structurally
extended wheel mounted movable platform having a cable reeling drum and
associated equipment mounted thereon. Importantly, the cable reeling drum ba...
The invention relates to a self flow castable based monolithic lining of bull nose of reheating
furnaces adapted to reduce refractory failure and heat loss comprising high alumina self
flow castable and SS metallic anchors for holding the monolithic structure in semicircular
contour of roof of the furnace. The hi...
The present invention relates to an improved position measurement system of screw down mechanism which is used to move up and down the backup roll in the stands of tandem mill. The system according to the present invention favour precise position measurement and display of screw down at the two ends of the backup ro...
The present invention relates to a pilot based directional control valve in tandem
mill. More particularly, the present invention is directed to providing modified pilot
system with separate fixture cooperating with 3 position, 4 way directional control
valve, double solenoid operated and spring centered along-wi...
The Present invention relates to an installation for bull noses of walking beam type re-
heating furnaces involving an external cooling system for the metallic supporting
structure of Bull Noses refractory structure failure of Bull Noses. More particularly, the
present invention is directed to providing a cooling...
An improved apparatus comprising plunger rod (5) having counterweight (1) fitted at the top end and plunger head (7) fitted at the bottom end thereof and lock-and-lift clamp (2) fitted at the top outside surface of cover (A) of ladle (6), having a plurality of exhaust pipes (3) on outside surface thereof, characteri...
An improved prop having adjustable height, comprising an upper part (main prop) and the lower part (base unit), each of said upper and lower parts are tubular, said upper part having length greater than the lower part. Both the upper and lower parts being of circular or polygonal cross section, the wall thickness of...
The present invention relates to a wiper system for installation on the wall of operating
cabins in EOT cranes adapted to clean dust deposited on the cabin glass of operating cabin
in EOT cranes. More particularly, the present invention is directed to providing a wiper
system for cleaning glass pane of operator"s...
The present invention relates to a low capacity mixed gas burner for long flame generation.
The low capacity mixed gas burner is adapted for controlled mixing of gas and combustion
air with minimum excess air to generate long flame suitable for application in flame heating
furnace and the like. Importantly, the l...
A Method For Determination Of Coking Index And Evaluation Of Progress Of Carbonization In Each Oven.
A method for determination of coking index of each coke oven in a battery for detection of coke readiness by evaluation of the actual progress of carbonisation in each oven The method comprises the steps of determining the peak tenvrature (tmax_temp) from raw gas temperature profile for each oven; determining the ti...
A system for automatic control of the heating and regulation of a coke oven battery to obtain optimum battery performance. The system is a combination of feed forward and feed back mode of operation and comprises means adapted for computing the heat demand; means adapted for computing the heat consumption; and means...
The present invention relates to humidification of iron ore sinter bed using
cold fog and the process therefor which would enable faster sintering speed
and increase in productivity of the sintering machine, importantly, the process
of sintering and the system provided is adapted to increase the burn through
poi...
A micro manometer system for the measurement of ultra low gauge /differential pressure, which would achieve an accuracy of +/- 0.1mm. wc or better. Importantly, the micro manometer system of the invention is adapted to provide readings, which would be stable and repeatable and hence reliable for such measurements. I...
The present invention relates to a method for the repair for H.T. (stator) motor comprising the steps of lifting of the top arm of the faulty coil of the HT Stator, scraping of outer insulation of the overhang portion of the lifted arm of the coil, cutting of the top arm (Slot portion), placing a new half coil in th...
The present invention relates to a Carbonization Furnace for determining the carbonization mechanism of coal and coal blend with adequate control on carbonization process parameters adapted to achieve desired quick characterization of coal and coke. The pilot furnace is preferably adapted to accommodate about 30 kg ...
The present invention relates to a method of fluidizing steelmaking ladle top slag
comprising the steps of preparing a mixture of synthetic flux having composition of
Al2O3 ~ 38 %, SiO2 ~ 12 % & CaO ~ 45 % in the ratio of 2kg flux per ton of crude
steel, pouring 50% quantity of the said mixture of flux after fill...
ABSTRACT
TITLE: A SYSTEM FOR STEEL MAKING INVOLVING A WORKING LANCE AND AVOIDING LANCE OVERHEATING AND CONSEQUENTIAL DELAY IN STEEL MAKING.
A system for steel making involving a working lance and avoiding lance overheating is disclosed wherein a low water level alarm system for demineralised water storage Tank...
The present invention relates to a high strength ribbed rock bolt Fe 600 grade Thermo
Mechanically Treated (TMT) for reinforcements for concrete or welded mesh,
deformed by hot rolling and accelerated cooling, and it is directed to developing rock
bolt grade TMT bars having higher production of high strength (YS:...
ABSTRACT
TITLE: HIGH STRENGTH HOT ROLLED STEEL (YIELD STRENGTH 550 MPa min.) WITH IMPROVED BENDABILITY AND A PROCESS FOR ITS PRODUCTION
The present invention is directed to provide high strength hot rolled steel with improved bendability and in particular to a method for improving bendability of high strength ...
A photosensor based system is disclosed for sensing the blooms in end stoppers and intermediate stoppers of four strands bloom caster under very difficult site conditions in continuous casting in steel plants. It is a simple, low cost but highly reliable optics based system for sensing the blooms in presence of bloo...
The present invention relates to a process for the production of high strength steel plates with improved impact values which comprises;
(a) providing a molten steel having the following alloy steel composition comprising
in wt.%
C: 0.07-0.10% Mn: 1.40-1.50% Si: 0.25-0.35% S: 0.01%max
P. 0.02% max Al 0.0...
ABSTRACT
TITLE: HIGH STRENGTH HIGH WEAR RESISTANT AUSTEMPERED DUCTILE IRON(ADI) AND PROCESS FOR ITS PRODUCTION.
High strength, high wear resistant austempered ductile iron(ADI), and process for its production. The advancement includes a selective composition processed through a selective heat treatment cycles ...
2
ABSTRACT
CRYSTALLINE MULTI WALL CARBON NANO TUBE (MWCNT) AND MODIFIED
GRAPHITE INCORPORATED REFRACTORY CASTABLE AND THE PROCESS FOR
THE PRODUCTION THEREOF
The present invention relates to providing Crystalline Multi Wall Carbon Nano Tube
(MWCNT) and modified graphite incorporated refractory castable suitable...
The present invention provides an improved suspension bracket (s) of welded design for basic oxygen furnace (BOF) converters for increasing the reliability and thus prolonging the period of vessel replacement. The present invention eliminates the break down due to failure of brackets and break down of tilting drive ...
The present invention discloses an improved system for temperature control of different zones of furnace (4) based on mathematical model for decarburization and annealing of steel strips (6) comprising k-type thermocouples (5 a-d), Programmable Logic Controller (2), at least one orifice plate and differential Pressu...
A system for classifying cut-sheets of desired dimensions from shearing line of a plant and a method for classifying cut-sheets of desired dimensions from shearing line of a plant in a steel industry. The system involving shearing assembly having means for measuring dimensions of a continuous running strip and means...
The present invention relates to a process for improving surface quality of reflowed
electrolytic tin plates. The process of the invention is directed to providing
electrolytic tin plates free of wood-grain surface macro-texture in reflowed
electrolytic tin plate (ETP) coils. The method for producing improved qua...
ABSTRACT
Title: NETWORK BASED WIRELESS SYSTEM FOR ON-LINE REMOTE DIAGNOSTICS AND CONTROL OF PLC AND HMI FOR MOVING MACHINES
Present invention discloses a wireless connection enabled centralized automated moving machine control system for controlling multiple moving machines comprising PLC compatible computing pl...
Low Carbon Batch Annealed Steel Composition With Improved Rm Value And A Process For Its Manufacture
The present invention relates to composition for low Carbon (0.04-0.06 wt % max) Boron added (5-20ppm) cold rolled formable (rm: 1.7 min) batch annealed steel and a process for its manufacture. More particularly, the low Carbon boron containing aluminium killed steel wherein having specified low B/N atomic ratio up ...
Weather Resistant Steel Grade Composition For Structural Applications And Process For Its Production
The present invention relates to weather resistant steel composition and more particularly, to high phosphorous weather resistant steel grade with required strength properties favourable for structural application. Importantly, the developed steel grade provides excellent weather resistance property of steels which ...
The present invention is directed to a high strength alloy steel Rail sections providing a UTS 1000 MPa and high corrosion resistance. The invention involves development of selective
composition for casting into 25 kg ingots and hot rolling in selective successive roll passes
following selective process parameters...
A system and a method provided for facilitating hot strip rolling of steel including Cold
Rolled Non Oriented (CNRO) grade steel in hot strip rolling mill. The present system and
method is adapted to automatically and efficiently calculate draft and speed schedule for hot
rolling of CNRO grade steel in the hot st...
The present invention relates to an improved lining pattern of steel ladle. In the present invention a new design of first layer bricks of steel ladle is provided. In this new design of brick, top surface of the brick is made inclined towards back according to tapering angle of the ladle shell. Due to modification i...
Present invention relates to a device for elongating steam turbine parting flange dtuds having oxygen acetylene flame obtained through a conventional blowpipe for heating up the air, a SS tube in the form of a coil; an arrangement for directing the hot air via an outlet to the inner co-axial hole of the steam turbin...
ABSTRACT
TITLE: Si-Mn ALLOYED ROLLED SPRING STEEL BILLETS SUITABLE FOR MANUFACTURE OF ELASTIC RAIL CLIP(ERC) AND LEAF SPRING APPLICATIONS AND A PROCESS FOR ITS PRODUCTION.
The Present invention is directed to providing Si-Mn alloyed rolled spring steel billets and a process for its production through twin hear...
The present invention discloses an integrated automatic roll lubrication system comprising of lubricating agent generating unit for preparing the lubricating agent in form of dispersion and applicator means operatively connected to said lubricating agent generating unit for controlled application of said dispersion ...
ABSTRACT
ALUMINA COATED AND NANO SPINEL COATED MAGNESIA GRAINS AND A PROCESS FOR MANUFACTURING THEREOF
Disclosed herein nano spinel coated magnesia grains with upto 2% alumina and when fired have a coating thickness ranging from 100-900 nm. The magnesia grains are initially coated with alumina by treating th...
ABSTRACT
AUTOMATED DRIVE ARRANGEMENT FOR THE EMERGENCY WATER VALVE OF CAST HOUSE SLAG GRANULATION SYSTEM OF A STEEL PLANT
The present invention relates to an improved arrangement of hydraulically operated emergency water valve for blast furnace cast house slag granulation plant, of the steel plant compri...
ABSTRACT
TITLE: A METHOD OF DEPHOSPHORIZATION OF BASIC OXYGEN FURNACE (BOF) SLAG FOR PRODUCING RECYCLABLE LOW PHOSPHOROUS CONTENT SLAG.
The present invention is directed to a method of dephosphorization of BOF slag for lowering the phosphorous content in slag involving a thermal treatment cycle for treating BO...
A COST EFFECTIVE SYSTEM FOR ADDITION OF TAR DECANTER SLUDGE IN COAL CHARGE ON THE BELT CONVEYOR IN COKE MAKING PLANT
Disclosed herein is a simple cost effective system (1) for in-situ premixing of tar decanter sludge with coal before they are charged into coke oven by direct addition of the sludge on to a moving ...
ABSTRACT
TITLE: SEISMIC RESISTANT THERMO MECHANICALLY TREATED (TMT) STEEL REINFORCEMENT BARS WITH YIELD STRENGTH 500 MPA(MIN) AND YIELD RATIO (UTS/YS) OF 1.25(MIN) AND A PROCESS FOR ITS MANUFACTURE.
The present invention relates to Thermo Mechanically Treated (TMT) steel reinforcement bar with high strength ...
ABSTRACT
SYSTEM FOR PHYSICAL SIMULATION OF ACCELERATED COOLING IN HOT ROLLING MILLS
The present invention discloses design of an experimental setup for simulation of accelerated cooling of hot rolled steel on ROT of hot rolling mill which comprises of a water pumping unit for supplying water at desired flow ra...
Embodiments of the present disclosure pertain to technical field of pilot coke ovens. In particular, the present disclosure pertains to apparatus/oven/box for portable carbonization, based on improved box charging mechanism, with various enhanced features for bench scale carbonization tests at par with commercial co...
ABSTRACT
TITLE: A SYSTEM FOR HOT SPOT DETECTION IN HOT RAW MATERIAL TRANSPORTING CONVEYOR.
The present invention relates to a system for hot spot detection involving low cost, low height installable, modular type multiple hot spot detectors/sensors to cover the width of the conveyor for detecting hot spots i...
The present invention relates to a process for producing high strength steel plates with micro alloy additions excluding expensive titanium and using optimum vanadium and by multi-pass air-cooled rolling route with YS: 500 MPa min. and with Guaranteed
Toughness of 25 J at 0 C and 15 J at -20 C of charpy impact ener...
The present invention relates to High Alumina (80% Al2O3, min.) castable for manufacturing of pre-cast block having high Thermal shock Resistance and high strength combined with high volume stability suitable for use as refractory lining of VAD ladle cover such as in Alloy Steels Plant (ASP), the High Alumina (80% A...
ABSTRACT
TITLE: THICK STEEL PLATES WITH HIGH TENSILE STRENGTH AND HIGH TOUGHNESS PROPERTIES AND A PROCESS FOR ITS MANUFACTURE.
The present invention relates to Rolled homogeneous armour (RHA) thick steel plate having high tensile strength coupled with high toughness. More particularly the invention is directed...
ABSTRACT
MEDIUM CARBON NANO–STRUCTURED BAINITIC STEEL WITH IMPROVED PROPERTIES AND A PROCESS FOR PRODUCING THE SAME
Disclosed herein medium carbon nano-structured bainitic steel and a method for producing nano-bainitic structure in a medium carbon steel. Specially designed steel alloy having nominal perc...
ABSTRACT
STEEL WITH LOW HYDROGEN EMBRITTLEMENT BEHAVIOUR, A PROCESS THEREOF AND AUTOMOTIVE PARTS PRODUCED THEREFROM
Disclosed composition for producing ultrahigh strength steel with improved resistance to hydrogen embrittlement for hot stamping comprising essentially both Boron and Niobium. The said steel com...
ABSTRACT
A COMPOSITION FOR MAKING HIGH ALUMINA BRICKS WITH HIGH THERMAL SHOCK RESISTANCE AND VOLUME STABILITY, BRICKS MADE THEREFROM AND A PROCESS FOR PRODUCING THE SAID BRICKS
The present invention relates to a composition for making High Alumina Bricks having high Thermal shock Resistance combined with h...
ABSTRACT
A SYSTEM FOR THE PELLETIZATION OF DIFFERENT TYPES OF IRON ORE
The present invention relates to a system for the pelletization of different types of iron ore comprising of a hot air generator (for low temperature updraft drying), a pelletization chamber including bottom and top chambers with hydrau...
Abstract
AN IMPROVED ARRANGEMENT OF HYDRAULIC VALVE STANDS FOR MUD- GUN AND DRILL MACHINE OPERATION AT CAST HOUSE OF BLAST FURNACE IN STEEL PLANT
The present invention relates to an improved hydraulic arrangement for operation of mud gun in a blast furnace cast house and design of a new hydraulic valve sta...
ABSTRACT
COMPOSITION OF HIGH STRENGTH WEAR RESISTANT STEEL AND A PROCESS FOR MANUFACTURING THE SAID STEEL
Disclosed herein is a composition of high strength wear resistant steel comprising in wt % C 0.15-0.20, Mn 1.20-1.60, S 0.01 max., P 0.025 max., Si 0.40-0.60, Al 0.02-0.06, Cr 0.30-0.60, Ni 0.20-0.24...
ABSTRACT
IMPROVED ARRANGEMENT OF COUNTERWEIGHT LIFTING IN MAIN CHARGING CONVEYOR OF A BLAST FURNACE
The present invention relates to an improved arrangement of hydraulically operated counterweight lifting device for blast furnace main charging conveyor of the steel plant comprising of a frame configured to...
ABSTRACT
NON MICRO-ALLOYED STEEL PLATES WITH HIGH STRENGTH, TOUGHNESS AND WELDABILITY
High strength steel plates (YS ? 350 MPa) are normally made by using micro alloying elements like Nb, V or Ti either singly or in combination. Addition of these expensive micro-alloying elements enhances the cost of product...
ABSTRACT
AUTOMATED ROLL COOLING ARRANGEMENT FOR ROLLING MILL
The present invention relates to an automated roll cooling arrangement for Rolling Mill comprising of at least 2 nos. of Pressure manometer installed in each stand at both “Entry” and “Exit” point, indicating the delivery pressure of Roll Cooling wat...
ABSTRACT
A PROCESS FOR THE PRODUCTION OF INDUSTRIAL GRADE MAGNESIUM ALUMINATE SPINEL (MgAl2O4) AND SPINEL BRICKS AND CASTABLES MADE THEREFROM
Disclosed herein is a process for the production of industrial grade magnesium aluminate spinel (MgAl2O4) and spinel bricks and castables made therefrom.
According to t...
ABSTRACT
LOW COST HIGH AND LOW MANGANESE AUSTENITIC STAINLESS STEEL FOR BIPOLAR PLATE APPLICATION IN AUTOMOBILE AND POWER GENERATING FUEL CELLS AND A PROCESS FOR THE MANUFACTURE OF SAID STEEL
Disclosed herein a low cost high and low Mn stainless steel having exceptional properties including higher yield st...
A SYSTEM FOR PREVENTION OF COBBLE IN ROUGHING MILL THROUGH
SLAB THICKNESS MEASUREMENT
The present invention relates to a system for prevention of cobble in roughing mill through slab thickness measurement, more particularly, the present invention relates to a scheme for prevention of cobble in roughing stand as se...
ABSTRACT
IMPROVED SYSTEM FOR REAL TIME ONLINE CONTROL AND MONITORING OF RAW MIX BIN LEVEL FOR A SINTERING PLANT
The present invention is to provide system with complete automatic control of raw mix bin level for a constant flow of material in the sinter machine and with consistent quality by also controlling the...
The present invention relates to controlling temperature of hot water produced from waste heat recovery system (WHRS) by utilising sensible heat of hot sinter cooler gases, within a narrow range (90±5deg C) in order to utilize maximum heat energy and at the same time avoid steam formation to ensure safety of operati...
The present invention relates to carriage dragging mechanism by rubber rolls for on line spiral weld pipes, in synchronization with pipe gas cutting system for a symmetrical cutting. More particularly, the present invention discloses synchronize
cutting system by frictional rolls.
The present invention relates to a cost effective low temperature bainitic steel with enhanced transformation kinetics in a steel of nominal composition comprising in percent by weight. C -0.49, Mn- 1.46, Si- 1.78, Cr-1.12, Mo -0.17,the balance being Fe.
The above steel is produced by austenistising at 850o C for 1...
The invention disclosed herein is a Ferritic stainless steel with superior corrosion resistance, and formability properties at par or superior to AISI 304 Austenitic stainless steel. The invented steel has the following composition in percent by wt.: C -0.01 to 0.08; Si - 0.01 to 0.5; Mn -0.1 to 1; S – up to 0.03; P...
ABSTRACT
FERRITIC STAINLESS STEEL WITH SUPERIOR MECHANICAL PROPERTY AND LOCALIZED CORROSION RESISTANCE FOR ELEVATOR APPLICATION AND PROCESS FOR ITS PRODUCTION
The present invention relates to an formable and localized corrosion-resistant, ferritic stainless steel, a process of manufacturing the steel, an...
The present invention relates to an edger roll lubrication system for hot strip mill, more particularly, to reducing of high wearing of the rolls and increases the service life of the edger rolls.
Fig. 3
ABSTRACT
SELF STEAM AGING BOX FOR LD SLAG.
The present invention relates to a self-steam aging box and method thereof for the aging Steel-making LD slag by means of artificially swelling the slag in a short time by using steam so as to obtain a product applicable for use in different forms,
Fig. 2
...
ABSTRACT
AN IMPROVED METHOD OF DEOXIDATION AND REFINING OF STEELS HAVING END APPLICATION IN MAKING NON RIMMING VARIETY OF WELDING ELECTRODES
The present invention relates to an improved process technology of deoxidation and refining of steels having end application in making non-rimming variety of welding elec...
Disclosed herein a process technology for producing low carbon cold rolled continuous annealed steel with high plastic anisotropy having the composition in wt.% of C - 0.04-0.06, Mn - 0.15 - 0.25, S - 0.010 max., P - 0.025 max., Si - 0.05 max., Al - 0.03 - 0.06, N - 50 - 70, Boron / Nitrogen ratio - 0.15 - 0.2...
The present invention relates to a system for Centralized measurement, monitoring and control system for Pot Sintering unit equipped with hot air generator and steam generator, more particularly to controlled injection of steam or hot air during the sinter making with impact on the process as well as sinter quality,...
Disclosed herein a fully automatic bench scale carbonization test apparatus including an integrated dry quenching system comprising, a steel box configured to be heated up to 11000 C which is covered from all sides after keeping the coal charge inside; a coking furnace with two sides wall heating facility; a dry / g...
The present invention relates to an improved system for automatic setting of roll gap & mill speed in leveler of Plate mill, particularly, to a scheme for automatic setting of screw down roll gap and mill speed of the leveler-I & II based on the grade, thickness and temperature of plate.
Fig. 1
...
ABSTRACT
METHOD FOR COAL BLENDING AT COAL HANDLING PLANTS AND SYSTEM THEREOF
The present invention is in the field of an Automation System for facilitating optimum coal blending at Coal Handling Plant of Coke Oven Batteries using on-line measurement of ash content in in-coal from mines as well as in blend coal, th...
ABSTRACT
AN ABIOTIC PROCESS AND SYSTEM FOR PRE-TREATMENT OF WASTEWATER TYPE AS GENERATED FROM COKE MAKING IN STEEL PLANT
The present invention relates to an abiotic process and system for pre-treatment of wastewater type as generated from Coke making in steel plant, discloses abiotic treatment with a micro-bubble ...
The present disclosure relates to a system for beneficiation of iron ore slime, said system comprising: one or more hydro cyclones configured to receive the iron ore slime; and a slow speed spiral classifier (SSSC) configured in a manner such that underflow of the received iron ore slime from said one or more hydro ...
The present disclosure relates to a method for coloring stainless steel, by which stainless steel can be colored to a desired color tone uniformly with fair reproducibility. The method disclosed herein can produce colored stainless steel having improved color stability and brightness. In an aspect of the present dis...
A system for automatic temperature control of pickling bath for efficient heating atacid pickling line in cold rolling mill of steel plants is disclosed. More particularly, thepresent invention is directed to providing a system for automatic temperature controlof pickling bath for improving...
A system for automatic control of side guide movement in the finishing stands of the rolling mills comprises of: a plurality of inverter grade squirrel cage motors for all the guides with same number of coupling sets, matching to gearboxes and motors with proper alignment; a plurality of VVVF based digital d...
The present invention relates to a system for pressure measurement of gas in high dusty area or high dusty and humid area with high accuracy and minimum error in a reliable manner using selectively a three layer multi hole tapping point configuration with purging of high pressure Compressed air or Nitrogen f...
An automatic control system for start/stop operation of raw material charging
conveyors in blast furnace is disclosed. The system involves a PLC and position
sensors based control to reduce the delay due to manual start up of charging
section, which is implemented in an integrated manner so that the series of
co...
Process, for producing welded joints for high strength quench and tempered plates made from steel conforming to ASTM 517 Gr. F and having the composition Carbon - 0.10 - 0.20% by wt., Manganese - 0.60 to 1.0% by wt., Silicon - 0.15 to 0.35% by wt., Sulphei & Phosphorous - 0.040 Max., Nickel - 0.7 to 1.0% by ...
A system for preheating dies in-situ for preheating both upper and lower dies in-situ without damaging the surface of the dies comprising heating means of predetermined design matching the profile of the dies and having a heating ring adapted to preheat both said upper and lower dies, plurality of hole in th...
/patents/improved-bio-chemical-process-for-conversion-of-nitrogenous-compound-present-in-waste-water
A biochemical process for conversion of nitrogenous compound present in the waste water from coke oven consisting of ammoniacal nitrogen, cyanide and thiocyanate. The waste water is treated to remove sludge. It is then subjected to biodegradation reaction in bioreactors in the presence of bacteria to effect ...
A system for use in measurement of sub-surface residual stress in rails. The system has means for cleaning of the rail surface comprise selected from emery paper, acidic and alkaline solutions and neutralizing agents. It also has a strain gauge adapted for fixing on rail surface, the strain gauge operatively...
A low alloy steel with improved wear resistant properties comprising chemical compositions of C = 0.12 - 0.18% by wt., Mn = 0.8 - 1.10% by wt.. Si = 0.30 -0.50% by wt., S = upto 0.020% by wt., P = upto 0.030% by wt., Cr = 0.50 - 0.90% by wt., Mo - 0.20 - 0.40% by wt., V = 0.02 - 0.06% by wt., Cu = 0.20 - 0.3...
A system for on-line measurement of elongation imparted to and off-gauge occurring in a strip subjected to rolling in a skin pass mill having an input side with an uncoiler means and an output side with a coiler means, a main stand between input side and output side to effect skin pass or temper rolling. The...
A high temperature wear and corrosion resistant rolls for use in strand guide section in slab casting machines and a process for manufacturing the same involving controlled cooling of the hot rolls which is thereafter followed by annealing and heat treatment developed high strength properties and finish. The...
An apparatus for evaluation of flow characteristics and setting behaviour of blast furnace taphole mass under simulated working conditions. The apparatus specifically utilizes a mudgun (MG), a chamber furnace (FC) having means for simulating the taphole of the blast furnace and means for pushing the taphole ...
The invention relates to a method of wet tamper rolling in a skin pass mill comprising applying an emulsion made of a temper fluid to annealed steel strips prior to and/or during the step of rolling. The emulsion carried by the strip from the step of rolling is wiped by mechanical wiping pads and the wiped s...
A thermocouple device for on-line measurement of temperature of coke oven wall skins having a L-shaped thermocouple which is In contact with the oven wall skin during use and is held firmly in the position by a support which is a moveable arm which when actuated presses the thermocouple against the oven wall...
A apparatus for easy lifting of worn-out troughs of blast furnace and/or replaceable constructional items such as those made of refractory castables/cement concretes. The system utilizes a lifting cage for lifting of the worn-out trough to thereby facilitate the process of digging and cleaning of worn-out tr...
A pneumatic ejector for degraphitization of coke ovens comprising an ejector means; means for supply of hot compressed air to said ejector means;means for forceful discharge of said hot compressed air from said ejector means. The ejector is efficient and is highly effective in removal of carbon deposits from...
High alumina self flow castable refractory composition and a process for manufacture of such high alumina self flow castables The high alumina self flow castable refractory composition is obtained of selective mix of Fused alumina 65% to 70% by wt Reactive alumina 15% to 18% by wt Calcined alumina 2% to 5% b...
A sampling device useful for monitoring and assessing the quality of air Thesampling,device comprising a tubular/cylindrical member(CM) having peripheral walland two end portions adopted for streamlined and uniform inflow of atmosphericair internally accommodating an activated ch...
A process of production of technical pure (>95%) carbazole from coal tar. Anthracene mud (obtained from anthracene oil fraction) of coal tar is a rich resource of carbazole. The process effectively isolates the carbazole from such anthracene mud and basically involves vacuum distillation of the mud to obtain...
A variable flame length gaseous fuel burner comprising means for generating flame of desired length/shape which can be adjusted by adjusting the flow of a primary air-I steam and a primary air-II stream in relation to the burner gas. In particular, the burner provides for supply of the gap (GP) sandwiched be...
A process of production of 95% pure anthracene from coal tar. Anthracene mud (obtained from anthracene oil fraction) of coal tar is a rich resource of anthracene containing about 20 to 25% of anthracene. The process of isolation of anthracene involves vacuum distillation of the mud to obtain a fraction rich ...
An improved stripper guard system for rolling joist comprising left and right flange guardsand web guard connecting said left and right flange guards, the front end of each said guardlowered than the rear end, the contact surface of the guard with roll adapted to be perfectlymatched with sa...
A system for use in measuring sliding resistance of refractory, ceramic metalproducts both at cold and high temperatures and especially a system for use inmeasuring the abrasion resistance of any solid material both at ambient and hightemperatures.In particular, the system is directed...
A process for manufacture of wear-resistant Aluminium-Bronze/Phosphorous-Bronze slipper pads with improved wear resistance and in particular to manufacture of aluminium enriched Aluminium-Bronze/Phosphorous-Bronze slipper pads through diffusion annealing and heat treatment. The process involves subjecting th...
A suspension concentrate composition which comprises about 10% to 50% by weight of a particulate arylpyrrole compound having a volume mean diameter of about 0.5 to 4 microns, about 0.1% to 2% by weight of a dispersing agent,about 0.5% to 5% by weight of a steric stabilizer, about 0.1% to 1% by weight o...
An improved process for denitrogenation of steel and in particular to a process for denitrogenation of low carbon steel by gas generation in-situ. The improved process comprising subjecting the liquid steel to treatment with carburized iron and thereby generate carbon monoxide gas in situ such as to provide ...
Improved cooling method for cooling of hot rolled angles in particular, to differential cooling method for reducing camber in hot rolled angles in rolling mills and to a system for carrying out such method of differential cooling. The method of differential cooling involving three stages cooling of angles co...
This invention relates to an improved roll cooling system and an improved method of roll cooling for enhancing roll life by improved heat transfer for Multi-Stand cold Mill. The improved roll cooling system with improved heat transfer coefficient comprises selective nozzle means ; means for regulated spray c...
The present invention relates to an improved process for production of low phosphorous, low manganese hot metal through cold blast cupola furnace. The improved process comprising melting of higher percentage of steel scrap of upto 80% and H.B. iron with or without pig iron in cold blast cupola furnace ; addi...
A methods for obtaining wear resistant exhauster housing comprising identifying wear prone zones of the exhauster housing; providing covering/lining of wear resistant plates of wear resistant high Cr iron hard facing alloy deposit on a mild steel base plate for said wear prone regions of said exhauster housi...
There is disclosed A process for producing high strength of YS: 750 MPa Min. and high toughness of 82J at 85°C min. steel products such as steel plates from lean composition alloy steel which comprisesi. pre-fixing the selective various alloying components and theirpercentages for a steel composi...
There is disclosed an improved high thermal resistant copper tuyere for use in a blast fumace, said tuycre having a combination ceramic outer top coating made of yttria and zirconia.There is further disclosed a method for preparing highly thermal resistant copper tuyeres for use in blast furnace compri...
A process for producing alloy steel products with low titanium level. More particularly a process for producing ball bearing/other alloy steels with titanium at a level less than 30 ppm. The invention is further related to a process for producing alloy steel products with low titanium level in which both hig...
The control system for end cutting of hot rolled products using flying shear in a hot rolling mill which would enable automatic cutting of front end and/or back end of product and would be simple to operate comprises controller based system adapted to receive input signals from a pinch roll sensing control, ...
There is disclosed a process for manufacturing high strength low alloy corrosionresistant structural (HCRS) Steel comprising,first making a low carbon steel by the basic open hearth process at a temperature inthe range of 1650 ±15°C;said heat is tapped in a ladle in whicn weighed quan...
The present invention is directed to a method for manufacturing micro-alloyed wearresistant rails having high (YS/TS) yield ratio in the range of 0.585-0.590 whichcomprises the following steps:(i) Preparing a starting steels by BOF steel making steps having the followingcomposition: C...
There is disclosed a method for the preparation of regenerative type synthetic/semi-synthetic cold rolling oil and its dispersion for Tandem Steel Mill. The oil comprises of polyolesters, based on carboxylic acids of C8 to C18:0,1,2,3 and bis, tris and tetra alcohol, ortriglycerides, antiox...
The present invention relates to a process of manufacturing high hot strength andoxidation resistance magnesia carbon in which input raw materials (magnesia, graphite,pitch and metal powder) of specified quality are used as Magnesia (MgO :85-99.9%;Bulk density : 3-4 g/ cm3); Graphite (Fixed...
The present invention is directed to an improved gas fired burner module having anumber of vertical cylindrical tubes for supplying fuel gas in conjunction with a gasheader and a gas inlet, a number of co-axially disposed vertical cylindrical primaryair tubes around the said gas tubes arran...
A corrosion resistant rail steel composition comprises 0.55 to 0.85 wt% of Carbon, 0.10 to 0.40 wt% of Silicon, 0.80 to 1.20 wt% of Manganese, 0.001 to 0.04 wt% of Sulphur, 0.001 to 0.04 wt% Phosphorus, 0.10 to 0.50 wt% Copper and 0.001 to 0.35 wt% of Molybdenum, the rest being Iron with Hydrogen content les...
Cooling system for continuous annealing furnaces for producing annealed strips. The system comprises a plurality of sets of fans (2) and motors(3) provided atleast one of the walls (4) of the cooling chamber of the said continuous annealing furnace, said fans (2) projecting inside the cooling chamber and the...
The present invention relates to a thermo mechanical process for the manufacture ofcopper phosphorous bearing corrosion and earthquake resistant Thermo MechanicallyTreated (TMT) rebar which comprises the steps of melting a steel composition (byweight %) containing: C-0.25 max.; Mn-1.50 max....
A thermocouple based device for measurement of elevated temperatures in high temperature environments having enhanced life and which can be easily connected/disconnected from the application point. The device comprises a thermocouple wire having a hot junction at least part of which is substantially surround...
Machine for in-situ surface grinding of cylindrical shafts without removing the cylindrical shaft/job from the object/machine to which it is attached to/part of. The machine comprises drive unit for driving the grinding assembly comprising motor (34), inner bush (1), bearing (2) and outer bush (7), wherein t...
The invention relates to a process for continuous casting of aluminium killed steelwithout causing nozzle clogging in 100 mm X 100 mm billet caster. More particularly thepresent invention relates to a process of continuous casting of billet with significantlyhigh level of sulfur vis-a-vis a...
A process for the manufacture of steel for cycle rims having selective alloycomposition providing fine grained structure with properties of high hardness,strength, stiffness and improved weldability and formability. The process comprisesthe steps of steel making, slab making and hot rolling...
This invention relates to an improved method of deoxidation of high chromium (12-26%) steel during processing in EAF (Electric Arc Furnace) which comprises of thefollowing steps:(a) preparing a melt of steel in an Electric Arc Furnace (EAF) using steelscrap, ferro alloys and lime, the...
An improved roll crusher with improved crushing index and reduced micro fines inthe crushed output. The improvement is achieved by providing a simplemodification to conventional roll crushers viz. adapting the rolls of the roll crusherto rotate at differential speed. Substantial increase in...
There is proposed a method of sintering a raw mix comprising the following steps.(a) feeding a raw mix (2) from a hopper (1) on to the moving bed of a sinter machine(SM).(b) maintaining the height or level of the moving bed constant,(c) allowing the material to pass through a sinterin...
An improved device to preferentially block carry over slag during tapping of steel from converters which comprises a plurality of steel discs or fins (1,2,3 ) of varying diameter attached to a pipe or tube (4). The device is adapted to melt on contact with molten steel and thus preferentially block carry ove...
Process for the manufacture of ultra high reducible sinter having high strength. The process yields sinter having RDI of between 24.2 to 27% and RI between 71.6 to 76% and comprising 55.5 to 58% Fe, 9.37 to 11% FeO and CaO/SiO2 ratio of 2.14 to 2.37. The process comprises providing a sinter pot having side w...
There is provided an improved system for the production of deformation free billets which comprisesa pneumatic circuit for each strand of a multi strand casting machine, said circuit being made ofi) a compressed air header provided with an air filter, a pressure regulator and a lubricator in
The process for manufacturing heat treated alloyed gray cast iron top pinch roll shell for hot strip rolling comprising the steps of top pinch roll shell moulding, proof machining and Grinding of the moulded shell, testing of the surface of the shell material using process of ultrasonic testing, final machin...
This invention relates to a modified spindle type limit switch for crane hoists and other similarrotating equipments comprising a casing (111) made from a 6 mm thick MS. plate on bearings-end and 4 mm thick MS. plates on other three skies, a spindle I shaft (112) and a plurality ofthreads h...
The present invention relates to a control system for uniform transverse temperature distribution across a sinter plant to improve sinter quality and thereby improving productivity. The said control system, according to the present invention, for uniform transverse heat pattern in sinter plant to control the...
A method of producing steel having one or more zones of ultrafine-grained steel comprising the steps of reheating of the cast alloy in a hot rolling mill, providing of thermo-mechanical simulations / processing to the cast alloy, and early stage water cold rolling of the thermo-mechanical simulated cast allo...
An arrangement for controlling the movement of the template (1) to align it with respect to the holes of the tundish (27) thereby providing a precise, fast and accurate alignment of the nozzles for multi-strand billet casters for continuous casting, said arrangement comprising tundish (27) with nozzles (15),...
The invention relates to a machine for faster and economic flipping of an aluminium wirecoil. The machine of the present invention essentially comprises a revolving table, a wiretensioning system, a wire guiding system, a spool drive and a revolving centre mountedon a sturdy frame. ...
The process for manufacturing of a cost effective Ultra High Strength Low Alloy(USLA) steel comprising the steps of: -melting and casting of the different compositions of raw materials, carried out byingot casting method by a preferred bottom pouring procedure or throughcontinuous cas...
The present invention relates to a process of making a micro-alloyedlocomotive wheel with higher yield strength (YS) to ultimate tensile strength(UTS) ratio. The process of making a micro-alloyed locomotive wheelprovides higher YS/UTS ratio of 0.7 or above. The said process designs the
An improved system for comparative evaluation of slag corrosion resistance of different quality of refractories with desired metal and slag chemistry and the system comprises induction furnace (6) having inner volume such that 18 to 20 kg of metal can be melted, plurality of sample specimens (1) of different...
A PROCESS FOR PRODUCTION OF STEEL PLATES WITH HIGH STRENGTH , HIGH HARDNESS AND WEAR RESISTANCE, SAID PROCESS COMPRISING SELECTION OF THE ALLOYING ELEMENTS IN DEFINED PROPORTIONS, HEAT TREATMENT CYCLE AT TEMPERATURE RANGING FROM 850oC TO 950oC COMPRISING OPTIMIZATION OF QUENCHING AND TEMPERING ADAPTED FOR IN...
The present invention relates to an apparatus and a process utilizing the said apparatus for cyanide treatment of effluents in a multi-zone (1, 2, 3) multimedia unit with attached growth trickling filter having a bed of highly permeable medium to which microorganisms are attached to and through which waste w...
The present invention relates to an equipment for measurement of Coke reactivity Index(CRI) and Coke Strength after Reaction (CSR) values of coke sample comprising of: areaction vessel; a coke container cage; a gas pre-heater pipe for heating the gas quicklybefore entering reaction vessel;...
Thus according to the basic aspect of the present invention there is provided anelectromagnetic sensor for on-line slab tracking / identification by detecting gapsbetween contiguously moving slabs on a roll table/conveyor comprising:An electromagnet means operatively connected to a power so...
A process for production of high-strength steel plates and, in particular, to the production of hot rolled high-strength steel plates in underpowered plate mills involving high-strength imparting vanadium content. Importantly, the process can be carried out in underpowered plate mills with rolling load capac...
An improved system for producing steel arch section comprises tilting means adapted to tillbar (43) coming out from first pass in a predetermined vertical position providing betterstability to the bar (43), said titling means comprising tapered plate (22) operatively providedon transfer car...
The present invention relates to a method for evaluating industrial applicability of coldrolling oil for steel mill providing data for all selective properties in a single attempt. Themethod comprises steps of preparation of an emulsion of the oil at controlled all, temperature, concentrati...
A method for determining no load roll gap for finishing stands in rolling mills in orderto obtain the desired thickness in a hot strip mill. The method advantageously andeffectively utilizes the provision of no load roll gap (mill set up) residing in acomputer (PC) and acquires rolling para...
A system for coal carbonization automation and process control in pilot coke ovendirected to achieve uniform carbonization conditions all through the oven throughout the coking process and facilitate monitoring of the pressure and temperatureduring the carbonization process for effective co...
A PLC and digital encoder based system for measurement of horizontal and verticalblade gaps of a side trimming shear in a rolling mill. The system is adapted fortrimming shear of any variety of rolling mills including side trimming shear in platemill and advantageously, includes digital pul...
A method of preparing coal charge blend for carbonization and to particular, topreparation of a coal charge blend directed to obtaining proper blend homogeneityand reduced micofines generation in the coal blend for effective and productivecarbonization. Advantageously, the invention involve...
In a rolling mill no load roll gap is set based on mathematical model. This mathematicalmodel requires a set of parameter which is to be acquired at an interval of 20 m sec andprovide these inputs to the model. The data is to be analyzed to find out the reason of offgauge and the reason of ...
A device for feeding of grease in work roll bearings and, in particular, to a system forrequired controlled flow feeding of grease in work roll bearings. The system basicallyinvolves a dose feeder means adapted to feed said desired selective amounts ofgrease in bearings; means to operate th...
Measurement of residual stress and ,in particular, to a simple and accurate directmeasurement of residual stress which is the locked in stress present in free body onwhich there is no external load or thermal gradient. It is possible by way of theabove method to sense / measure the actual c...
The present invention relates to the process for manufacturing heat treated high chromium iron alloy wear resistant liners for material handling equipments comprising the steps of liner material casting, preliminary grinding of the cast liner, testing of the surface of the cast liner materi...
The present invention relates to a system for measuring lengthof hot rolled object so as to provide an advanced knowledge ofpossible lengths of the object. The system comprises sensormeans (1,2,3,4,5) placed at predetermined distance from theobject; and controller means (7) in operati...
Iron ore sintering process and sintering machine and, in particular, to iron ore sintermanufacture and system therefore which would enable faster sintering speed andincrease in productivity sintering machine. The process and system of the inventionbasically involves providing the desired si...
A level sensor system for measuring level of horizontally moving solids at high temperaturesA high temperature moving solid level sensor system and ,in particular, to a unidirectional electro-kinematics level sensor system for critical use at high temperature moving solid level measuring application. T...
A counterweight magnetic limit switch advantageously used to limit the vertically up and down movement of the skirt mechanism surrounding the throat of a basic oxygen furnace in a steel melting shop, suitably located at a safe distance ensuring ease, safety, reliability in operation and maintenance, replacin...
A cooling hood for annealing bases, adapted to decrease the cooling time of the annealing cycle in batch annealing. The present system of cooling can be used in annealing bases with any type of sealing. This invention also intends to further increase the efficiency of cooling hoods by increasing the heat tra...
A process for welding high strength low alloy HSLA-80 plates (YS :550-690 MPa) using submerged arc welding (SAW) process using selective, welding electrode; maintaining rebake conditions of flux ; preparation for butt weld welding parameters ; electrode wire diameter current and voltage ;and weld conditions....
A system for preparing coal blend with a water-oil emulsion comprising oil tank (1) and water tank (2) being pumped to an emulsion tank(5) for preparing water-oil emulsion, supplying emulsion from the emulsion tank to coal transfer hopper(8)having emulsion sprayers in the top region having a coal feedi...
The present invention relates to a method for on-line estimation of coil weight in acoiler roll in a rolling mill comprising allowing the starting end of a coil of sheetmaterial from an uncoiler roll to pass through a nip provided between a pair of workrolls and winding the so passed coil e...
The present invention relates to a process for efficient assimilation of lime fines insinter mix comprising the steps of reducing RPM of mixing and balling drum toassimilate the lime fines; controlling moisture level of the sinter mix automaticallyon-line; feeding lime fines in the sinter m...
The photosensor based system for measuring and cutting of bloom in continuouscasting in steel plants comprises of a sensor stack, a LED based bloom lengthdisplay unit, a gas cutting trolley position-sensing unit; a control circuit to actuateGripper mechanism and a method for measuring and c...
A system of thermal insulation of ladle covers for effective energy efficientladle heating and maintenance. A ladle cover with the thermal insulationsystem basically is obtained of a selective combination of thermal insulationinvolving the central portion of the ladle cover insulated with c...
A system for measuring the length of slabs for cutting into desired differentbase lengths. Basically the system involves low cost silicon photo sensorbased slab length measuring system which would be adapted to directly andeffectively measure the slab length at continuous casting unit there...
The present invention relates to a process for the manufacture of boiler grade Hot Rolledsteel Coils of 2.0 mm to 5.0 mm thickness for manufacture of tube for boilers having impactstrength of 50-70 Joules, which comprises:(i) taking liquid steel composition having the following alloy chemis...
A process for shielded metal arc welding of steel body made from dissimilar steel composition, particularly dissimilar medium carbon steel compositions. The process comprises heat treating the steel bodies in order to bring down the hardness of the steel bodies to a range of 250 to 400 BHM (Brinell Hardness ...
The invention relates to an improved thermal resistant copper tuyeres andmethod of manufacture thereof, for use in blast furnace operationscharacterized by high melting point of the ceramic material, low thermalconductivity, phase stability at the tuyere body temperature and bondingch...
A process for making insitu spinel forming high alumina castables, comprising:a. Adding fine powder ingredients in the following order and in the indicatedproportion:i. Sea Water Magnesia-Fused or sintered (5-7 part by weight);ii. Calcined Micro fine Alumina (11-13 part by weight);
Process for the disposal of hazardous waste acid sludge and conversion toproduct having calorific value. The process produces a single phase solid producthaving calorific value and is widely applicable in disposing wastes generated indifferent industries such as coal chemicals section of co...
A process for manufacture of hot rolled steel with reduced tertiary typerolled in scales generated after the pinch roll descaler comprisingmaintaining slab drop out temperature in the reheating furnaces in the rangeof 1200-1230°C and maintaining finishing entry temperature in range of 900-<...
The system has been designed and installed for on-line heating of mother liquor coming from Block of Chemicals (BOC) to pickling line l(as shown in figure) of Cold Rolling Mills at BSL. Bokaro. The system consists of shell and tube type heat exchanger complete with acid proof flanges on both ends, piping for...
A fixture for turning of various large commutator. The fixture is of universal application and comprises base plate (2) mounted over L-shaped angular plates (1) and tool post with means for turning is mounted over the said base plate. The fixture is such that the tool post is adapted to be inserted between r...
The present invention relates to pitch bonded magnesia bricks for metal zone of steel
ladle with improved quality adapted to enhance ladle life, higher ladle availability and
improved productivity. Importantly, the pitch bonded magnesia carbon refractory bricks
of the present invention is developed by a process u...
The present invention provides a movable lighting system assembly for illuminating a required area achieving aesthetic look where the light carrier units (200) are fixed at ceiling roof, which can be brought down to height (hy) from ground level (202) for maintenance by means of operating sling rope (215) and pulley...
The present invention relates to An arrangement for acoustic control in metallic
scrap chute comprising
of at least one metallic scrap chute configured for
transportation of scrap metal pieces, and a continuous water chamber disposed below the base of scrap chute configured for d...
ABSTRACT
MODIFIED TRACK ROLLER OF SKID CAR
1. The present invention relates to a modified track roller of skid car, comprising of:
a plurality of spherical roller bearings have two rows of rollers, a common sphered outer ring raceway, and two inner ring raceways inclined at an angle to the bearing axis....
ABSTRACT
ON-LINE SYSTEM FOR PREDICTING MECHANICAL PROPERTIES OF HOT
ROLLED COILS FROM HOT STRIP ROLLING MILL
The present invention relates to a system for on-line prediction
of mechanical
properties of hot rolled
coils from hot strip rolling mill comprising: a module for
input...
The present invention relates to a system for real time remote diagnostics & control
of PLC & HMI for moving machines, the system comprising: the project site
seamlessly connected
and the monitoring centre platform, construction site,
including equipment connected in sequence, the input and outp...
ABSTRACT
MODIFIED HEAT SHIELD FOR USE IN VACUUM ARC REFINING
1. The present invention relates to a modified heat shield for use in Vacuum Arc Refining comprising of a material addition / pouring hole in the shape of cylindrical base and conical top; a bend plate fixed at the boundary of the heat shield near to t...
The present invention relates to an interface element between Level – 1 tier equipment to Level – III tier equipment, more particularly the present invention discloses automation of equipment’s / system through an interface element configured for data access and communication between two isolated domains of automati...
ABSTRACT
COMPOSITION FOR PRODUCING ULTRA HIGH STRENGTH STEEL CONTAINING BORON AND MOLYBDENUM , A PROCESS FOR PRODUCING SAID STEEL AND USE THEREOF
Disclosed herein is a composition for producing ultrahigh strength steel with improved hardenability for hot stamping comprising essentially both Boron and Molybdenu...
The present disclosure provides an apparatus and method for restricting or preventing scale build-up in components of a circulating water system such as piping, valves, pumps, impellers, storage tanks and associated components that deal with scale forming fluids. The disclosed apparatus is simple in design, easy to ...
ABSTRACT
TITLE: A GAS-FIRED BURNER FOR IGNITING SOLID FUEL AT GRATE LEVEL IN GRATE-FIRED BOILERS AND IGNITION SYSTEM USING SUCH BURNERS.
The present invention relates to gas fired burner for igniting solid fuel at grate level in grate-fired boilers and an improved ignition system of solid fuel for grate-fired ...
ABSTRACT
TITLE: A PROCESS FOR PRODUCING LOW PHOS HADFIELD MANGANESE STEEL THROUGH EAF-LF ROUTE.
The present invention relates to a process for producing low phos Hadfield Manganese Steel and in particular, to a process for Dephosphorisation of High Manganese (12% Min ), High Carbon Hadfield Manganese steel i...
ABSTRACT
A SYSTEM FOR CENTRALIZED MONITORING AND CONTROL FOR WHEEL HANDLING IN FINISHING LINES AT WHEEL AND AXLE PLANT
The present invention relates to a system for centralized monitoring and control for wheel handling in finishing line at the wheel and axle plant, more particularly, the invention relate...
The present disclosure relates to a process for preparation of low carbon Al-killed, batch annealed, deep drawable steel strips that exhibits high plastic anisotropy. An aspect of the present disclosure provides a process for production of low carbon Al-killed, batch annealed, deep drawable steel strip including the...
The present invention relates to a system for synchronized movement of the two arms of a mechanism driven by individual motors, more particularly, it relates to a scheme for synchronized movement of two arms of a mechanism driven by individual motors and flexibly coupled to a common load arm so that the skew between...
ABSTRACT
A NON-BIOLOGICAL TOOL-BOX MONITORING BIOLOGICAL SLUDGE ACTIVITY POTENTIAL IN AEROBIC WASTE WATER TREATMENT PLANT
Disclosed herein a cost-effective non-biological integrated process for monitoring biological sludge activity in aerobic waste water treatment plants which comprises any one or more and/or ...
ABSTRACT
TITLE: AN INTEGRATED COKE DRY QUENCHING/COOLING SYSTEM FOR LAB SCALE CARBONIZATION TEST.
The present invention relates to an integrated coke dry quenching/cooling system for lab scale carbonization test which includes cooling of box packed with coke produced in pilot coke oven/furnace being directly coo...
ABSTRACT
TITLE: A SYSTEM FOR LIGHTING UP OF BLAST FURNACE GAS BLEEDER STACK PILOT BURNER FROM GROUND LEVEL AND METHOD THEREOF.
The present invention provides a system for lighting up of Blast Furnace Bleeder Stack pilot burner located at top of the stack wherein a GI strip and a SS earth pipe is disposed along t...
ABSTRACT
Title: A SYSTEM FOR AUTOMATED CONTROL OF HEATING IN COKE OVEN BATTERY.
The present invention discloses a system for automated control of heating in the coke oven battery comprising of a coke oven battery heating controlling processor including a heterogeneous control system embodying computing sequences...
ABSTRACT
TITLE: IMPROVED LIFTER AND LINER SYSTEM FOR MIXING AND NODULISING DRUM AT SINTER PLANT.
The present invention relates to an improved lifter and liner system for mixing and nodulizing drum(MND) at Sinter Plant to achieve optimum permeability and homogeneity of sinter raw mix on the sinter pallet. To increa...
ABSTRACT
SINTER MIXER TOOL COMPOSITION AND THE TOOL THEREOF
The present invention relates to a sinter mixer tool made of steel alloy containing high carbon high chromium which can be used as mixing tool having a high hardness and the high performance sinter mixer tool thereof for intensive sinter mixer of st...
ABSTRACT
DEVELOPMENT OF DUNITE BASED TUNDISH SPRAY MASS
Disclosed herein is a Magnesia based composition of spray mass for making working lining in Tundish steel vessel wherein Dunite (foresterite MgO, SiO2) is incorporated with dead burnt magnesia (DBM) in the composition.
Use of magnesia based Tundish spray m...
The present disclosure relates to a modified tuyere for facilitating reduced heat flux there-through, wherein the tuyere comprising a hard facing provided on at least a first portion of outside surface of said tuyere; and a refractory lining provided on at least a second portion of inside surface of said tuyere.
...
ABSTRACT
NON-ORIENTED SILICON STEEL COMPOSITIONS CONTAINING PHOSPHORUS OR TIN OR ANTIMONY AND A PROCESS FOR PRODUCING THE SAME
Disclosed herein is non-oriented electrical Si steel compositions wherein phosphorus or tin or antimony is /are added to low Si steels to get improved magnetic properties, favourable t...
ABSTRACT
AN IMPROVED SYSTEM FOR AUTOMATIC MEASUREMENT AND
ADJUSTMENT SYSTEM FOR SIDE GUIDE GAP IN A HOT STRIP MILL.
The present invention relates to automatic measurement of side guide in a hot strip mill and automatic setting of side gap based on the measurement feedback, more particularly, the p...
ABSTRACT
IMPROVED CASTABLE FOR ROOFS AND CURTAIN FLAME BURNERS OF SINTER PLANT
The present invention related to an improved castable and its application process in Roofs and Curtain flame Burners of Sinter Plant, more particularly, the present invention is an improved castable composition which is mullite form...
A high strength steel plate with hardness 470-520 BHN, and method for production thereof is disclosed. The disclosed high strength steel plate having a composition in weight percentage comprising carbon (C) in amount ranging from 0.26 – 0.32%, silicon (Si) in amount ranging from 0.80 – 1.80 %, manganese (Mn) in amou...
The present invention relates to methodology of prediction of cobble generation during hot strip rolling using signal analysis techniques of mill signals.
A permeability rod assembly for a sinter machine is disclosed. The disclosed rod assembly comprising a steel rod having a composition in weight percentage comprising carbon (C) in amount ranging from 0.95 to 1.2%, manganese (Mn) in amount ranging from 0.3 to 0.75%, chromium (Cr) in amount ranging from 1.00 to 1.60%,...
ABSTRACT
HIGH STRENGTH NANO-PRECIPITATION STRENGTHENED STEEL
The present invention relates to production of high strength Nano-precipitation strengthened steel plates with Ultimate tensile strength > 600 MPa, more particularly, the present invention is aimed towards design of alloy chemistry and thermo-mechani...
The present disclosure provides a spindle for a hot strip rolling mill. In an aspect of the present disclosure, the spindle comprises: a hollow shaft having a bore extended along length of the hollow shaft; a solid shaft inserted within the bore of the hollow shaft, the solid shaft having a plurality grooves configu...
The present disclosure provides a system for increasing efficiency of a furnace of hot strip mill, said system comprising: a set of sensors disposed in furnace of hot strip mill, the set of sensors configured to detect amount of oxygen present in the flue gas passing through the furnace; a control unit operatively c...
A lean duplex stainless steel with improved mechanical and formability properties, and method for production thereof is disclosed. The lean duplex stainless steel comprises steel having composition, in weight percentage (%), comprising carbon (C) in amount ranging from 0.01 to 0.12%, silicon (Si) in amount ranging f...
The present disclosure relates to a steel composition (in wt.%) comprising: Carbon (C) between 0.17 – 0.23, Magnesium (Mn) between 0.90 – 1.60, Silicon (Si) between 0.25-0.45, Sulphur (S) between 0.002 – 0.01, Aluminum (Al) between 0.01 – 0.40, Phosphorus (P) between 0.004-0.0.05, Titanium (Ti) between 0.005-0.04, V...
The present disclosure relates to an automatic die lubrication system (100) comprising a tank assembly (200) configured to hold a lubricant; a die lubricant spray unit (300) configured to spray said lubricant between one or more dies; and a control unit (400) comprising a Programmable Logic Controller (PLC) for cont...
ABSTRACT
TITLE:STEEL COMPOSITION AND A PROCESS FOR PRODUCTION OF COLD ROLLED NON ORIENTED(CRNO) STEEL COILS WITH IMPROVED CORE LOSS PROPERTIES.
Present invention relates to cold rolled non oriented(CRNO) steel coils with improved core loss properties and a process for its production. More particularly, the pre...
ABSTRACT
TITLE: A PROCESS OF UTILIZING HEAT ALTERED COAL AS SOLID FUEL IN IRON ORE SINTERING.
The present invention relates to a process to use Jhama coal as partial replacement of coke breeze in iron ore sintering and to solve the coke breeze crisis as well as establishing a route for gainful utilization of thi...
An improved process for manufacturing wheels of railways wagons and coaches, having higher wear resistance, fracture toughness and strength, comprising the steps: (a) producing molten steel of composition, such as herein described, in an electric arc furnace of 10 tonne capacity by charging ingredients, such...
The invention provides a process for manufacturing steel plates/strips resistant to corrosion in molasses comprising the following steps in sequence :-(a) preparing molten steel of required chemical composition(by weight %) : C - 0.10 max., Mn - 0.80 max., Si - 0.30 max.,S - 0.03 max., P - ...
An improved device for heat insulation of ladle cover , characterised in that the device comprises multiple layers of strips of ceramic fibre blanket wrapped tightly around the outerperipheral surface of four concentric metallic rings (r1 to r4) of increasing diameter and held in position with respe...
An improved injection type burner operating from a liquid fuel and compressed air or oxygen, which is capable of burning liquid fuels of different types, such as herein described, at a rate ranging from 100 to 2000 litre per hour for producing a high thrust flame for heating ladles, reheating furnaces and bo...
A system for online continuous skidding detection in rolling mills comprising means for sensing the motor voltage current and speed ;means for sensing the rolling conditions means for sensing the pedal position applying the motor voltage means for receiving the sensed data concerning voltage current and spee...
An improved process for producing ferritic stainless steel strips having reduced yield point elongation, comprising the following steps in sequence : (i) selecting conventionally produced 4 mm thick hot rolled ferritic stainless steel strips of composition (by weight %): C-0.05, Mn-0.45, Si-0.20, P-0.02, S-0...
The invention provides an improved system for tilting of hot rolled rails in head-up position on cooling bed skids in steelplants comprising a roller table with stopper for aligning ends of a set of rails placed on the roller table parallel to the length thereof, a cooling bed...
An automatic on-line sinter mix permeability control device for increasing the productivity of sinter machines in steel plants, comprising a water supplying pipe 7 fitted with a water controller/actuator assembly 8, an orifice plate 7A, tv/o water flow meters 7B and 7C placed one on each side of ...
A process for producing low-alloy steel plates of yield strength at 450¯C not less than two-third of that at room temperature, suitable for fabrication of carrier tubes and heat exchanger shells for hot gases, characterised in that the process comprises the following steps in sequence: (a) melting predetermi...
An improved burner of easily adjustable flame length for use in rotary kilns, comprising an inner concentric tube (8) an outer concentric tube (9) and an outer nozzle (11) detachably fitted at the tip (16) of the outer tube, and an inner nozzle (11A) fitted detachably at the tip (16A) of the inn...
A device for holding electrical heating element coilsinside furnaces for annealing steel products, characterised inthat the device comprises a metallic socket 1 having a threadedround bore 1a, fixed to the inner surface 2 of furnace shell 3 by-welding; a metallic plug 4 having a threa...
An improved plastometer for measuring plasticity of coal, comprising a retort assembly 1 having a vertically held cylindrical crucible 2 for holding a sample of coal powder with a closed bottom and partly closed top by means of an annular top cover 3, a co-axial vertically errected barrel 4 on the top cove...
A system for automatic measurement of dimensions and other particulars of hot blooms in a steel plant, characterised in that the system comprises of five CCD cameras C1, C2, C3, C4 and C5, such as herein described, being housed one each in a water cooling jacket WCJ, such as herein described, and a ph...
An improved system for oiling cold rolled steel coils comprising a reservoir for storing the oil to be applied, pipe lines, pumps with motors, gate valves, a pressure relief valve with an oil return pipe line, an oil pressure gauge, a control panel containing duplex cartridge filters and solenoid control val...
An improved process for producing cold shear blades for side triaming and crop chopping of hot rolled pickled coils, characterised in that the process comprises the following steps in sequence: (a) preparing blades from alloy tool steel of chemical composition (by weight 90: C-0,...
An improved cooling system for cooling of hot gaseous medium such as hot dusty gases comprising at least one cooler shell having inlet end through which the hot gaseous medium is cooled and an outlet end through which the cooled hot gaseous medium is released for subsequent use/application having a plurality...
This invention relates to the process for intensification of scrap melting in an electricArc furnace. The process for intensification of scrap melting in an electric arc furnacefor producing molten metal comprising providing the scrap metal in the electric arcfurnace., subjecting the scrap ...
An improved ladle treatment process for manufacture of cold rolled non-oriented (CRNO) electrical steel of reduced core loss, comprising the following steps in sequence :-i) producing molten steel heat in Basic Oxygen Frunace (BOF) in the known manner; ii) tapping the molten steel into a l...
A process of preparing low ultra high strength (LAUS) steel comprising: providing the cast stock comprising alloying elements and minor constituents comprising Carbon 0.18 to 0.22% by wt, Manganese 1.00 to 1.30% by wt, Silicon 0.95 to 1.00% by wt, Cromium 1.25 to 0.75% by wt; Nickel 0.65 to 0.75% by wt, Moly...
A process for the manufacture of high strength unalloyed austempered ductile liiron comprising the steps of providing a mateiral comprising carbon - 3.5 - 3.8% by wt. Mn - 0.20 - 0.25% by wt. Si 3.00 - 3.20% by wt. S 0.01 - 0.015% by wt. P 0.02 - 0.04% by wt. Mg 0.02 - 0.06% by wt. Iron Balance, austenizing ...
A cramp bar with releasably secured guide fixing system for use in rolling mills comprising: trapezoidal shaped cramp bar (3) with atleast one releasably locked guide means (1,2) secured thereto, the inside portion of the said front leg i.e. toward roll is made tapered so that the leg matches with the tapere...
A ladle brick composition adapted to form MgAI2O4 spinel in-situ at high temperature comprisingAI2O3 70-90% by wt.SiO2 4-8% by wt.MgO 5-25% by wt.CaO 0.5-1.0% by wt.Fe2O3 1.5-2.0% by wt. andTiO2 2-3% by wt.and a process for manufacturing such ladle bricks. The ladle ...
A substitute steel to SAE 8620 has been commercially developed based on indigenously available alloying elements like Mn, Si and Cr The substitute steel contains only one third of molybdenbum and half of the nickel contents of conventional SAE 8620 steel The core and case hardenabilities of the steel were fo...
A process for manufacturing of agricultural tillage disc with higher hardness and better wear resistance. The process utilizes selective alloy chemistry comprising C 0.26 - 0.33% by wt., Mn 1.00 - 1.20% by wt., Si 0.15 - 0.35% by wt. S upto 0.04 max, P upto 0.04 max and Cr 0.35 - 0.45% by wt. which is water ...
An improved process for recovery of iron values from the rejects of iron ore washing plant for enrichment of iron ore fines using fluidised bed classifier comprising subjecting the said iron ore fines to treatment in a fluidised bed classifier whereby the dense and coarse particles reach at the bottom and th...
There is disclosed an improved pitch bonded tempered magnesia carbon refractories having essentially the following ingredients. (a) Magnesia having not less than 85% by weight magnesium oxide and a bulk density of more than 3.3 g/cm3 (b) Graphite having a fixed carbon at least 90% by weight and (c) Pitch hav...
Pre-cast composition and a process for manufacture of steel plates with yieldstrength of atleast about 150 kg/mm2, ultimate tensile strength of atleast about170 kg/mm2, and elongation atleast about 5% with thickness in the range of about3-6 mm. Such steel plates are obtained of a selective ...
This invention relates to a process for the production of semi-processed electrical steel,which comprise the following steps:(A) Preparing a steel composition in a LD converter having the followingspecific alloy chemistry.(a) %C: 0.040 max. (b) %Mn: 0.25-0.45 (c) %P: 0.20 max.(d...
There is provided an improved fuel gas pipeline having improved corrosion resistance and made from a steel composition having the following chemistrya) An alloy steel having the carbon content between 0.06 to 0 12%b) Copper content between 0.20 to 0.35%c) Phosphorus content between 0 03 to ...
The present invention relates to a laser based position sensor for application in steel rollingmills. The laser sensor has a high level of accuracy yet is economic and simple tomaintain. The sensor comprises a laser transmitter (1), a laser detector (2) comprisingsilicon detector, optical f...
This invention relates to an improved leveller bar (202) for coke ovens forlevelling the coke bulk charging cone forming below the charging holes of a cokeoven chamber during the coal charging process thereby increasing coke ovencharge volume, the said improved leveller bar (202) isch...
A screen deck for coke screening with improved screening efficiency and effective equipment life. The screen deck advantageously comprises a thick plate having slots with opening (OS) there through along one side of each said slot with the plate material there between two adjacent slots defining finger (F...
A system for removing hearth scale from reheating furnaces and, in particular, to asystem for removing hearth scale from walking beam type reheating furnaces inoperating conditions. The system basically includes a scrapper carrying slab (1) alocking slab (2) a hinge means (3) supporting a s...
A system for skin grinding of large sized plates including a main car body adapted to carry a cross car along with the grinding head, a mobile dust suction arrangement a power pack to activate and position the grinding wheel with respect to the plate with said cross car frame adapted to move across the bed a...
A liquid level control float switch system which avoids the complexities anddisadvantages, of presently available float switches which apart from being costextensive are basically the mercury type float switches which pose environmentaland safety hazards and are also difficult to operate. T...
The present invention relates to a process for the manufacture of improved ladle bricks for VAD ladle comprising the steps of selecting proper size fractions and quality of coarse, medium and fine grains of magnesia; selecting of purer grade of Carbon and using high softening point carbon additive as per partial rep...
ABSTRACT
TITLE: A FLUX REACTIVITY MEASUREMENT APPARATUS FOR MEASURING THE REACTIVITY OF CALCINED LIME AND CALCINED DOLOMITE AND A METHOD THEREOF.
The present invention relates to an Flux Reactivity measurement Apparatus for measuring reactivity of fluxes i.e. calcined lime and calcined dolomite used in various ste...
ABSTRACT
PROVISION OF THE FLUSHING PIPE LINE ALONG WITH AUDCO VALVE AT RETURN LINE OF BOTH RE-HEATING FURNACE, FOR SAVING THE SKID AND POST CONNECTING PIPE LINE FROM DAMAGES
The present invention relates to a flushing arrangement using Audco valves incorporated in outlet line of closed loop cooling cir...
ABSTRACT
HIGH ABRASION AND THERMAL SHOCK RESISTANT ALUMINA BRICKS FOR REFRACTORY LINING OF REHEATING FURNACE HEARTH (UP TO 11000 C)
The invention relates to High Alumina (70% Al2O3, min.) Bricks for refractory lining of pre- heating zone hearth of Reheating furnace having high abrasion resistance and hig...
An improved method for production of low oxygen rail steels is disclosed. The disclosed method 200 comprises at a step 202, charging input steel material into a BOF; at a step 204, blowing oxygen on molten steel for reducing carbon and phosphorous content in the molten steel; at a step 206, adding a flux into the mo...
ABSTRACT
TITLE: FIRE RESISTANT STEEL AND A PROCESS FOR PRODUCTION THEREOF.
The present invention relates to a Fire Resistant steel and a process for production thereof. More particularly, the present invention is directed to a Fire resistant steel composition comprising : C (0.01 to 0.20%); Si (0.1 to 0.5%); Mn (0...
ABSTRACT
TITLE: A PROTECTIVE ENCLOSURE FOR PROTECTING ELECTRONIC GADGETS INCLUDING SENSORS IN ARDUOUS AND CORROSIVE ENVIRONMENTS AT TOP OF COAL SILOS.
The present invention relates to a protective enclosure for protecting electronic gadgets including sensors in arduous and corrosive environments at top of c...
ABSTRACT
A MODIFIED SERVO CYLINDER FOR A COILER TOP PINCH ROLL IN HOT STRIP MILL
The present invention relates to the field of servo mechanisms for coilers used in hot strip mills. A servo mechanism (400) prevents the down time or stoppage of a coiler (100) and prevents the failure of a pinch roller bearings and ...
The present invention relates to a system for storage and controlled feeding of flux materials onto existing coal conveyor for mixing, grinding and injection into Blast furnace. In this system, Calcined Dolomite brought from raw material plant is stored in dolomite storage bin and Dolomite from the storage bin is di...
The present invention relates with elimination of frequent failure of Spindle Balancing Cylinder in Roughing Stand #2 of a rolling mill and a finish rolling mill, particularly it includes an arrangement to eliminate the frequent failure of Spindle balancing Cylinder in ...
ABSTRACT
TITLE: A SYSTEM FOR SCREENING IRON ORE LUMP INVOLVING DIFFERENTIAL SINGLE DECK SCREENING ARRANGEMENT BASED VIBRATORY SCREEN.
The present invention relates to a system for screening iron ore lump involving differential single deck screening arrangement based vibratory screen to screen out iron ore lump...
ABSTRACT
Title: SYSTEM FOR CONTROLLING MULTI-STRAND ROLLING MILL OPERATIONS.
The present invention discloses a system controlling furnace entry side charging equipments of multi stand rolling operations including billet feeding, pushing and discharge operations for a pusher type reheating furnace of said multi-s...
ABSTRACT
IMPROVING THE RELIABILITY OF COBBLE CARRY-OUT PROCESSING ARRANGEMENT
The present invention relates to an improvement in reliability of cobble carry-out processing arrangement installed in a roller table between a rough rolling mill and a finish rolling mill; more particularly, it includes an arrangeme...
ABSTRACT
TITLE: STEEL PLATE HAVING 550-650 MPa YIELD STRENGTH AND ADEQUATE TOUGHNESS USING LEAN CHEMISTRY AND A PROCESS FOR ITS MANUFACTURE.
The present invention relates to a high strength steel plate having 550-650 MPa yield strength which is obtained of low carbon steel composition and a process for its man...
ABSTRACT
TITLE: A SYSTEM FOR POST PICKLING ARRESTING OF ACID AND SALT CARRYOVER BY PICKLED COILS IN PICKLING LINE.
The present invention relates to a system for post pickling arresting of acid and salt carryover by pickled coils in pickling line by effective rinsing and squeezing by incorporating pneumatic squee...
The present invention relates to a system for combined coke quenching operation. The system comprises a water supply unit provided on each longitudinal end of the coke car, and a header (5) connects the water supply units along the longitudinal axis of the coke car. The water supply unit having a tank (1) and a pump...
ABSTRACT
TITLE: A METHOD TO REDUCE GRAPHITE ELECTRODE CONSUMPTION IN LADLE FURNACE AND A SYSTEM THEREOF.
The present invention relates to a method that reduces graphite electrode consumption in ladle furnace and a system thereof. This system uses the mechanism of reducing the graphite electrode consumption by pr...
Disclosed herein a process for quasi-isothermal post-weld heat treatment of weld joint of alloyed rails which comprises passing predetermined alternate heating and cooling cycles and amount of current pulses to the weld joint having the following Parameters (i) Heat Time 1: 2-20...
The present invention relates to high strength Cold-Rolled Steel having excellent formability and a process for manufacturing the same. The invention particularly provides for cold rolled steel sheet/coil having tensile strength of 410 MPa minimum having selective composition and processing steps through batch ...
ABSTRACT
TITLE: A SYSTEM OF TESTING CIRCUIT FOR HYDRAULIC TESTING OF PRESSURE VESSELS AND METHOD OF TESTING USING THE SAME.
Present invention relates to a system of testing circuit for hydraulic testing of pressure vessels of accumulators comprising Auto shut off valve (ASV), isolation Valve (AIV1), accumulato...
During annealing, carbonaceous matter gets deposited on the inner surface of the inner cover. Presence of thick carbonaceous layer is considered to have adverse effects on life of inner covers. For the efficient removal of such carbonaceous layer, the present invention provides a system for cleaning and drying an in...
ABSTRACT
A PROCESS FOR DETERMINATION OF CROSS-LEAKAGE IN A COKE OVEN BATTERY BASED ON OXYGEN ANALYSIS IN COMBUSTION PRODUCTS
The present invention is directed to providing a quantitative process for the determination of cross-leakage based on combustion product analysis. For determination of cross-leakage, gas sam...
ABSTRACT
High Volume Slag Pot
This invention relates to pot used for carrying slag. The high volume slag pot comprises, a base (102), a body (104) supported by the base (102), the body (104) being configured to receive slag and having diameter of an opening larger than the bottom diameter, at least one tilting lug...
ABSTRACT
HEAT TREATMENT PROCESS FOR BENT PIPE USED IN WIRE ROD MILL
Bent pipe used in wire rod mill are subjected to frequent failures that are primarily due to severe wear at the inner surface of the bent pipe caused by abrasion from the hot rolled wire rod as it passes through the pipe at high speeds. To overcom...
ABSTRACT
TITLE: A SYSTEM FOR ONLINE DE-CLOGGING OF PRE-SCRUBBER IN A GAS CLEANING PLANT USING HIGH-PRESSURE WATER-JET SPRAY.
The present invention relates to a system for online de-clogging of pre-scrubber in a gas cleaning plant using high-pressure water-jet spray. This water-jet de-clogging system works in ta...
ABSTRACT
COLD ROLLED ELECTRICAL STEEL
The present invention discloses a cold rolled electrical steel comprising: a batch annealed, skin pass rolled composition in weight % with no decarburization annealing having carbon in a content of 0.02- 0.10 %, manganese in a content of 0.20-0.30%, silicon in a content of 0.1...
ABSTRACT
TITLE: LEVEL MEASUREMENT SYSTEM FOR MEASUREMENT OF SURFACE LEVEL OF MATERIAL STORED INSIDE STORAGE BUNKER OR SILO.
The present invention discloses a level measurement system for measurement of surface level of material stored inside storage bunker or silo comprising a level transmitter with a cooperativ...
ABSTRACT
TITLE: A PROCESS FOR MANUFACTURING OF REFRACTORY BRICKS FOR SPECIAL APPLICATION OVEN BY USING CASTING METHOD FROM SiC CONTAINING CASTABLE.
The present invention relates to refractory bricks from SiC containing castable, and particularly, to a process for manufacturing of refractory bricks for use in Pilo...
ABSTRACT
TITLE:LOW CARBON MICRO-ALLOYED HOT ROLLED STEEL COIL WITH HIGH STRENGTH AND HIGH TOUGHNESS SUITABLE FOR LINE PIPE APPLICATIONAND METHOD OF MANUFACTURING THE SAME.
Present invention relates to low carbon micro-alloyed high strength hot rolled steel coil for line pipe application and a cost effective metho...
ABSTRACT
TITLE: A NON-CONTACT AUTOMATIZED SYSTEM FOR RELIABLE LENGTH MEASUREMENT AND RELATED OPERATIVE ACCURACY IN DIVIDING SHEAR OF PLATE MILLS.
The present invention relates to a non-contact automatized plate length measurement system in dividing shear of plate mill. To increase the reliability of the system l...
ABSTRACT
TITLE: A SYSTEM FOR TESTING OF REFRACTORY SAMPLES FOR THEIR CREEP AND HOT MODULUS OF RUPTURE PROPERTIES.
The present invention relates to a system for testing of the refractory samples for their Creep and Hot Modulus of Rupture(HMOR) properties for suitability of its use in furnaces. The heating contro...
Embodiments of the present disclosure disclose a system (102) and method (400) for controlling coating of a metal substrate. The system includes a data analysis module (108) configured to identify one or more parameters associated with coating of the metal substrate based on training data. The parameters include at ...
ABSTRACT
A HANDLING SYSTEM FOR A BLOW PIPE;
The present invention discloses a handling system (100) for a blow pipe having a Z-shaped primary frame member (105), a support structure (110) having a secondary lower and upper support frame member (112a, 112b), a plurality of inner and outer scissor lift linkages (114a...
The present invention relates to a composition for high Alumina low cement castable comprising white tabular alumina, silimanite sand, stabilized zirconia, calcined alumina. The present invention relates to a high alumina low cement castable having high strength combined with high volume stability suitable for refr...
ABSTRACT
TITLE: A PORTABLE WALL PRESSURE MEASUREMENT SYSTEM FOR COAL CARBONIZATION.
The present invention relates to a wall pressure measurement system applied to coal carbonization in pilot coke oven wherein said system comprises a coal carbonization enclosure for containing coal for carbonization having an open...
ABSTRACT
TITLE: COLD WORK TOOL STEEL BASED WEAR RESISTANT LINERS FOR STEEL PLANT SINTER MACHINE RAW MIX HOPPER AND PRODUCTION METHOD THEREOF.
The present invention relates to cold work tool steel based wear resistant liners for raw mix hopper of sinter machine in steel plant. More particularly, the present invent...
ABSTRACT
Title: AN ADVANCED SYSTEM FOR CONTROLLING TEMPERATURE OF HEAT TREATMENT FURNACES OF RAILWAY WHEELS USING PLC BASED HEATING SYSTEM AND METHOD.
The system and method for railway wheels production including advanced system for controlling temperature during heat treatment process comprising of heating, soaki...
ABSTRACT
TITLE: A PROCESS OF UTILIZING MAGNESITE WASTES IN IRON ORE SINTERING.
The present invention relates to partial substitution of dolomite in the iron ore sintering process. More particularly, the present invention is directed to addition of magnesite rejects/wastes as partial replacement of dolomite to ex...
ABSTRACT
TITLE: STEEL SLAG BASED BRICK COMPOSITION FREE OF CEMENT FOR CIVIL CONSTRUCTION AND METHOD OF MANUFACTURING THEREOF.
The present invention relates to adaptation of steel slag for making bricks for use as civil construction and a process to manufacture the same by combining steel slag with fly-ash and othe...
ABSTRACT
TITLE: A FLUX COMPOSITION AND A METHOD OF FOAMING THE LADLE TOP SLAG USING SAID FLUX IN REDUCING CONDITION AT LADLE REFINING FURNACE FOR SILICON KILLED STEEL MELT.
The present invention relates to a method for foamy slag practice in ladle furnace for silicon killed steel involving an innovative fluxing pr...
ABSTRACT
TITLE: A SYSTEM FOR AUTOMATIZED CONTROL OF COOLING RATE IN ROT AREA OF EXPERIMENTAL ROLLING MILL.
To achieve the desired cooling rate, the exit roller table has been designed with motorized- chain driven conveyor type table for moving hot rolled plates/ samples from ERM to ROT cooling area. The conveyor ch...
ABSTRACT
TITLE: IMPROVED ROOF-MOUNTED BURNER MODULE WITH REFRACTORY BLOCKS FOR SINTER MACHINE IGNITION FURNACE.
The present invention is directed towards improvement in design of existing curtain flame burner module along with its refractory burner block installed in the ignition furnace for combusting the top lay...
Embodiments of the present disclosure disclose a system (102) and method (400) for providing uniform heating control and temperature profile management in a pilot coke oven (104). The system includes a plurality of power controllers (108) operatively coupled to a plurality of heating elements (106a-106f) installed i...
ABSTRACT
TITLE: MOULD MONITORING SYSTEM FOR SLAB CASTERS WITH REAL-TIME MOULD THERMAL PROFILE VISUALISATION.
The present invention relates to mould monitoring and breakout control system with real-time mould thermal profile visualisation so that continuous monitoring of thermal heat transfer inside mould durin...
The conveyors belts are responsible for transportation of material from one location to another making the role of conveyor belts very vital. Due to the complicated force conditions of the conveyor belt, it is very prone to failures such as tearing, deviation, and surface damage, which poses serious threats to the s...
The present invention relates to high speed wire rod mill and more particularly, optimization and synchronization of water box opening and closing time of high speed wire rod mill for reduction in end losses of high carbon wire rods. Initially, the location of the water box was examined to understand its role in end...
The present invention relates to a method and system of co-processing of granulated waste plastic through Coke ovens in a Steel Plant. Co-processing of waste plastic using coke ovens is superior in that a large amount of waste plastics can be treated, useful materials can be recovered using the existing facilities, ...
The present invention relates to high strength cold rolled galvanized steel coil and a method of manufacture thereof. The steel coil has a high tensile strength, high coating thickness, no usage of micro-alloying and other elements in the steel and having favorable mechanical properties and long durability. The said...
Steel melting shop-3 is having one Express laboratory for chemical analysis of the various sample received from the Convertor, Secondary Refining Unit And Caster to facilitate appropriate decision making for the operation to finish desired chemistry of steel according to different grade being produced. During the s...
The invention addresses a critical gap in the steelmaking process, specifically in the Basic Oxygen Furnace (BOF) operations in a Steel Plant. The present invention provides a movable bunker system to introduce essential materials during tapping, overcoming the limitations of existing systems. The movable bunker, eq...
The present application proposes a customized nano-lubrication preparation and application system that has been designed and developed for hot rolling application in ERM. The application of nano-fluids in hot rolling lubrication has not been extensively explored. Proper dispersion of nanoparticles in the base lubric...
The present invention relates to a system for diagnostic of health and mechanical load conditions of DC motors from remote location. The system comprises of smart sensors for tapping the voltage, current, vibration, temperature and commutator sparking of DC motors. The system provides diagnostic tools to monitor the...
The present invention relates to the co-injection of calcined dolomite along with pulverized coal into the tuyeres of the BF, resulting in enhanced combustion characteristics and metallurgical benefits. The present invention relates to a system and method for improving the performance of Blast Furnaces (BF) in steel...
The present invention relates to a system for detecting and preventing collision in a moving stacker boom. The system includes laser based distance sensor capable of being mounted/fixed on the moving structure, in the present case, boom of a stacker machine, along with an auxiliary relay circuit designed to automati...
Present invention provides a novel comprehensive waste heat transfer and distribution system which is made of MS plate, SS tubes with flow control devices capable of raising inlet water temperature by use of waste hot air. Utilization of waste heat is the prime objective of this invention. This innovation is unique ...
Provided herein is a liquid steel of composition in weight% of C: (0.15 to 0.22wt%), Si: (0.15 to 0.40 wt%), Mn: (0.80 to 1.35 wt%), S: (0.03wt% or less), P: (0.03wt% or less), Al: (0.01 to 0.04wt%), V: (0.01 to 0.04wt%),Nb: (0.005 to 0.01wt%) and balance Fe to produce a low cost high strength ISMB 300 medium long s...
The invention explores Additive Manufacturing technology to reconstruct the mould for refractory bricks. The process involves reverse engineering the wooden mould design, modifying it, and developing a 3D CAD model. The mould is then constructed using Fused Filament Fabrication (FFF) based 3D printing technology wit...
The present invention discloses a system for emulating programmable logic controllers (PLCs) in a cloud environment to enhance industrial automation processes. The system comprises a cloud layer hosting an EPIC instance running a virtualized PLC Central Processing Unit (CPU) and a Message Queuing Telemetry Transport...
The invention focuses on developing process technology to consolidate disintegrated AKLFS into larger agglomerates, making it more user-friendly. Provided herein is the utilization of pelletizing and briquetting techniques to address AKLFS's disintegration issue. Agglomeration studies indicate that AKLFS can effecti...
The present invention relates to a method and system for prediction of coke quality obtained through wet and dry quenching methods based on coal blend parameters. The method comprises the steps of: collecting, coal blend data and corresponding coke analysis data; cleaning, to remove all erroneous data; and predictin...
Copyrights
Development And Implementation Of On Line Submission Of Employee Perpquisite Options Under Cafeteria Approach M/S STEEL AUTHORITY OF INDIA LTD.
Registered Trademarks
[Class : 35] Services Including Advertising, Marketing, And Promotion Services, Advertising And Marketing Services, Namely, Promoting The Goods And Services Of Others, Computerized Database And File Management, Creating Indexes Of Information, Sites & Other Resources Available On Global Computer Networks And Other Electronic And Communications Networks For Others, Order Fulf...
[Class : 6] Common Metal And Their Alloys, Metal Building Materials, Transportable Buildings Of Metal, Materials Of Metal For Railway Tracks, Non Electric Cables And Wires Of Common Metal, Ironmongery, Small Items Of Metal Hardware, Pipes And Tubes Of Metal, Safes, Goods Common Metal Not Included In Other Classes, Ores Included In Class 06.
[Class : 35] Advertising, Marketing, Promotion Services; Computerized Database & File Management; Creating Indexes Of Information, Sites And Other Resources Available On Global Computer Networks And Other Electronic And Communications Networks For Others, Order Fulfillment Services; Promoting The Goods And Services Of Others By Providing, Searching, Browsing And Retrieving I...
View +66 more Brands for Steel Authority Of India Limited.
Charges
12 March 2019
State Bank Of India
5,700 Crore
24 October 2018
Bank Of India
2,000 Crore
20 September 2018
Bank Of Maharashtra
500 Crore
16 July 2018
Bank Of Baroda
1,000 Crore
22 June 2018
Bank Of Baroda
1,000 Crore
03 February 2018
Syndicate Bank
500 Crore
10 January 2018
Punjab And Sind Bank
500 Crore
10 January 2018
Indian Bank
2,600 Crore
10 January 2018
The Jammu And Kashmir Bank Limited
300 Crore
06 January 2018
Canara Bank
1,000 Crore
29 December 2017
Bank Of Baroda
1,000 Crore
29 December 2017
Allahabad Bank
1,000 Crore
27 December 2017
Punjab National Bank
2,000 Crore
14 November 2017
United Bank Of India
500 Crore
06 November 2017
Dena Bank
1,000 Crore
29 September 2017
Bank Of India
2,000 Crore
27 September 2017
Canara Bank
1,000 Crore
27 September 2017
The Jammu And Kashmir Bank Limited
500 Crore
11 September 2017
Idbi Trusteeship Services Limited
2,285 Crore
22 June 2017
Jammu And Kashmir Bank Limited
500 Crore
02 March 2017
State Bank Of India
500 Crore
01 March 2017
State Bank Of India
2,500 Crore
20 October 2016
Idbi Trusteeship Services Limited
800 Crore
20 October 2016
Idbi Trusteeship Services Limited
1,200 Crore
12 February 2016
Idbi Trusteeship Services Limited
1,185 Crore
21 November 2015
Idbi Trusteeship Services Limited
265 Crore
10 February 2015
Idbi Trusteeship Services Limited
500 Crore
10 December 2014
Idbi Trusteeship Services Limited
1,000 Crore
17 August 2012
Idbi Trusteeship Services Limited
360 Crore
17 November 2011
Idbi Trusteeship Services Limited
455 Crore
17 November 2011
Idbi Trusteeship Services Limited
400 Crore
17 July 2010
Idbi Trusteeship Services Limited
545 Crore
17 July 2010
Idbi Trusteeship Services Limited
660 Crore
20 March 2010
Idbi Trusteeship Services Limited
450 Crore
20 March 2010
Idbi Trusteeship Services Limited
242 Crore
23 February 2010
Axis Bank Limited
600 Crore
16 January 2010
Idbi Trusteeship Services Limited
150 Crore
16 January 2010
Idbi Trusteeship Services Limited
335 Crore
16 January 2010
Idbi Trusteeship Services Limited
168 Crore
10 November 2009
Idbi Trusteeship Services Limited
300 Crore
10 November 2009
Idbi Trusteeship Services Limited
150 Crore
10 November 2009
Idbi Trusteeship Services Limited
700 Crore
06 October 2009
United Bank Of India
650 Crore
27 March 2007
Central Bank Of India
16 Crore
01 March 2005
State Bank Of India
20,000 Crore
10 December 2001
Bank Of Maharashtra
6 Crore
06 November 2000
State Bank Of Bikaner & Jaipur
35 Crore
27 July 1998
State Bank Of India
62 Crore
27 June 1998
State Bank Of India
622 Crore
20 March 1997
Bank Of Maharashtra
200 Crore
20 December 1993
State Bank Of India
11 Crore
20 January 1989
State Bank Of India
24 Crore
19 September 2009
Idbi Trusteeship Services Limited
825 Crore
31 July 2009
Idbi Trusteeship Services Limited
525 Crore
31 July 2009
Idbi Trusteeship Services Limited
950 Crore
13 October 2015
Idbi Trusteeship Services Limited
1,000 Crore
13 October 2015
Idbi Trusteeship Services Limited
500 Crore
13 July 2015
Idbi Trusteeship Services Limited
420 Crore
01 August 2013
Idbi Trusteeship Services Limited
800 Crore
13 July 2015
Idbi Trusteeship Services Limited
670 Crore
29 January 2013
Idbi Trusteeship Services Limited
500 Crore
10 February 2015
Idbi Trusteeship Services Limited
645 Crore
20 November 2012
Idbi Trusteeship Services Limited
300 Crore
18 November 2003
Idbi Trusteeship Services Limited
58 Crore
07 August 2002
Idbi Trusteeship Services Limited
109 Crore
28 April 2003
Idbi Trusteeship Services Limited
75 Crore
05 January 2001
Bank Of Maharashtra
100 Crore
28 April 2003
Bank Of Maharashtra
10 Lak
02 June 2001
Bank Of Maharashtra
7 Crore
10 December 2001
Bank Of Maharashtra
76 Crore
02 June 2001
Bank Of Maharashtra
15 Crore
23 May 2000
Bank Of Maharashtra
43 Crore
28 April 2003
Bank Of Maharashtra
88 Crore
05 January 2001
Bank Of Maharashtra
59 Crore
10 August 2001
Bank Of Maharashtra
115 Crore
10 August 2001
Bank Of Maharashtra
35 Crore
18 November 2003
Bank Of Maharashtra
70 Lak
10 December 2001
Bank Of Maharashtra
30 Lak
25 November 2003
Bank Of Maharashtra
15 Lak
19 October 2000
Bank Of Maharashtra
38 Crore
23 July 2001
Bank Of Maharashtra
33 Crore
07 August 2002
Bank Of Maharashtra
48 Crore
02 June 2001
Bank Of Maharashtra
195 Crore
23 May 2000
Bank Of Maharashtra
21 Crore
19 October 2000
Bank Of Maharashtra
39 Crore
02 June 2001
Bank Of Maharashtra
91 Crore
07 August 2002
Bank Of Maharashtra
500 Crore
18 February 2000
Bank Of Maharashtra
500 Crore
11 October 2002
Bank Of Baroda
7 Crore
25 November 2002
Central Bank Of India
125 Crore
01 October 2020
Bank Of India
5,500 Crore
15 May 2020
State Bank Of India
5,000 Crore
28 April 2020
Bank Of Maharashtra
1,000 Crore
12 March 2020
Bank Of Baroda
1,500 Crore
30 October 2019
Uco Bank
500 Crore
27 February 2020
Punjab National Bank
2,000 Crore
20 December 2019
Oriental Bank Of Commerce
1,500 Crore
12 December 2019
Bank Of Baroda
1,500 Crore
01 August 2023
State Bank Of India
0
31 July 2023
The South Indian Bank Limited
0
28 March 2023
Bank Of India
0
23 February 2010
Axis Bank Limited
0
17 August 2012
Idbi Trusteeship Services Limited
0
11 September 2017
Idbi Trusteeship Services Limited
0
22 June 2018
Others
0
12 March 2019
State Bank Of India
0
20 December 2019
Others
0
12 March 2020
Others
0
27 February 2020
Others
0
28 April 2020
Others
0
10 November 2009
Idbi Trusteeship Services Limited
0
27 December 2017
Others
0
06 November 2017
Dena Bank
0
01 March 2017
State Bank Of India
0
30 October 2019
Uco Bank
0
12 February 2016
Idbi Trusteeship Services Limited
0
20 October 2016
Idbi Trusteeship Services Limited
0
01 March 2005
State Bank Of India
0
21 November 2015
Idbi Trusteeship Services Limited
0
13 October 2015
Idbi Trusteeship Services Limited
0
10 February 2015
Idbi Trusteeship Services Limited
0
20 March 2010
Idbi Trusteeship Services Limited
0
16 January 2010
Idbi Trusteeship Services Limited
0
01 October 2020
Bank Of India
0
15 May 2020
State Bank Of India
0
12 December 2019
Others
0
24 October 2018
Bank Of India
0
20 September 2018
Others
0
16 July 2018
Others
0
03 February 2018
Syndicate Bank
0
10 January 2018
Others
0
10 January 2018
The Jammu And Kashmir Bank Limited
0
10 January 2018
Indian Bank
0
29 December 2017
Others
0
29 December 2017
Others
0
14 November 2017
United Bank Of India
0
27 September 2017
Canara Bank
0
27 September 2017
The Jammu And Kashmir Bank Limited
0
29 September 2017
Bank Of India
0
02 March 2017
State Bank Of India
0
20 October 2016
Idbi Trusteeship Services Limited
0
23 May 2000
Bank Of Maharashtra
0
11 October 2002
Bank Of Baroda
0
10 November 2009
Idbi Trusteeship Services Limited
0
19 September 2009
Idbi Trusteeship Services Limited
0
31 July 2009
Idbi Trusteeship Services Limited
0
31 July 2009
Idbi Trusteeship Services Limited
0
28 April 2003
Idbi Trusteeship Services Limited
0
18 November 2003
Idbi Trusteeship Services Limited
0
02 June 2001
Bank Of Maharashtra
0
02 June 2001
Bank Of Maharashtra
0
19 October 2000
Bank Of Maharashtra
0
19 October 2000
Bank Of Maharashtra
0
18 February 2000
Bank Of Maharashtra
0
07 August 2002
Bank Of Maharashtra
0
23 July 2001
Bank Of Maharashtra
0
02 June 2001
Bank Of Maharashtra
0
20 March 1997
Bank Of Maharashtra
0
07 August 2002
Bank Of Maharashtra
0
10 December 2014
Idbi Trusteeship Services Limited
0
29 January 2013
Idbi Trusteeship Services Limited
0
17 November 2011
Idbi Trusteeship Services Limited
0
10 December 2001
Bank Of Maharashtra
0
16 January 2010
Idbi Trusteeship Services Limited
0
16 January 2010
Idbi Trusteeship Services Limited
0
10 November 2009
Idbi Trusteeship Services Limited
0
22 June 2017
Others
0
06 January 2018
Canara Bank
0
27 March 2007
Central Bank Of India
0
06 October 2009
United Bank Of India
0
20 March 2010
Idbi Trusteeship Services Limited
0
17 July 2010
Idbi Trusteeship Services Limited
0
17 July 2010
Idbi Trusteeship Services Limited
0
17 November 2011
Idbi Trusteeship Services Limited
0
20 November 2012
Idbi Trusteeship Services Limited
0
01 August 2013
Idbi Trusteeship Services Limited
0
10 February 2015
Idbi Trusteeship Services Limited
0
13 July 2015
Idbi Trusteeship Services Limited
0
13 July 2015
Idbi Trusteeship Services Limited
0
13 October 2015
Idbi Trusteeship Services Limited
0
02 June 2001
Bank Of Maharashtra
0
10 August 2001
Bank Of Maharashtra
0
20 December 1993
State Bank Of India
0
23 May 2000
Bank Of Maharashtra
0
10 December 2001
Bank Of Maharashtra
0
28 April 2003
Bank Of Maharashtra
0
25 November 2003
Bank Of Maharashtra
0
10 August 2001
Bank Of Maharashtra
0
10 December 2001
Bank Of Maharashtra
0
07 August 2002
Idbi Trusteeship Services Limited
0
05 January 2001
Bank Of Maharashtra
0
05 January 2001
Bank Of Maharashtra
0
28 April 2003
Bank Of Maharashtra
0
18 November 2003
Bank Of Maharashtra
0
27 June 1998
State Bank Of India
0
27 July 1998
State Bank Of India
0
06 November 2000
State Bank Of Bikaner & Jaipur
0
25 November 2002
Central Bank Of India
0
20 January 1989
State Bank Of India
0
01 August 2023
State Bank Of India
0
31 July 2023
The South Indian Bank Limited
0
28 March 2023
Bank Of India
0
23 February 2010
Axis Bank Limited
0
17 August 2012
Idbi Trusteeship Services Limited
0
11 September 2017
Idbi Trusteeship Services Limited
0
22 June 2018
Others
0
12 March 2019
State Bank Of India
0
20 December 2019
Others
0
12 March 2020
Others
0
27 February 2020
Others
0
28 April 2020
Others
0
10 November 2009
Idbi Trusteeship Services Limited
0
27 December 2017
Others
0
06 November 2017
Dena Bank
0
01 March 2017
State Bank Of India
0
30 October 2019
Uco Bank
0
12 February 2016
Idbi Trusteeship Services Limited
0
20 October 2016
Idbi Trusteeship Services Limited
0
01 March 2005
State Bank Of India
0
21 November 2015
Idbi Trusteeship Services Limited
0
13 October 2015
Idbi Trusteeship Services Limited
0
10 February 2015
Idbi Trusteeship Services Limited
0
20 March 2010
Idbi Trusteeship Services Limited
0
16 January 2010
Idbi Trusteeship Services Limited
0
01 October 2020
Bank Of India
0
15 May 2020
State Bank Of India
0
12 December 2019
Others
0
24 October 2018
Bank Of India
0
20 September 2018
Others
0
16 July 2018
Others
0
03 February 2018
Syndicate Bank
0
10 January 2018
Others
0
10 January 2018
The Jammu And Kashmir Bank Limited
0
10 January 2018
Indian Bank
0
29 December 2017
Others
0
29 December 2017
Others
0
14 November 2017
United Bank Of India
0
27 September 2017
Canara Bank
0
27 September 2017
The Jammu And Kashmir Bank Limited
0
29 September 2017
Bank Of India
0
02 March 2017
State Bank Of India
0
20 October 2016
Idbi Trusteeship Services Limited
0
23 May 2000
Bank Of Maharashtra
0
11 October 2002
Bank Of Baroda
0
10 November 2009
Idbi Trusteeship Services Limited
0
19 September 2009
Idbi Trusteeship Services Limited
0
31 July 2009
Idbi Trusteeship Services Limited
0
31 July 2009
Idbi Trusteeship Services Limited
0
28 April 2003
Idbi Trusteeship Services Limited
0
18 November 2003
Idbi Trusteeship Services Limited
0
02 June 2001
Bank Of Maharashtra
0
02 June 2001
Bank Of Maharashtra
0
19 October 2000
Bank Of Maharashtra
0
19 October 2000
Bank Of Maharashtra
0
18 February 2000
Bank Of Maharashtra
0
07 August 2002
Bank Of Maharashtra
0
23 July 2001
Bank Of Maharashtra
0
02 June 2001
Bank Of Maharashtra
0
20 March 1997
Bank Of Maharashtra
0
07 August 2002
Bank Of Maharashtra
0
10 December 2014
Idbi Trusteeship Services Limited
0
29 January 2013
Idbi Trusteeship Services Limited
0
17 November 2011
Idbi Trusteeship Services Limited
0
10 December 2001
Bank Of Maharashtra
0
16 January 2010
Idbi Trusteeship Services Limited
0
16 January 2010
Idbi Trusteeship Services Limited
0
10 November 2009
Idbi Trusteeship Services Limited
0
22 June 2017
Others
0
06 January 2018
Canara Bank
0
27 March 2007
Central Bank Of India
0
06 October 2009
United Bank Of India
0
20 March 2010
Idbi Trusteeship Services Limited
0
17 July 2010
Idbi Trusteeship Services Limited
0
17 July 2010
Idbi Trusteeship Services Limited
0
17 November 2011
Idbi Trusteeship Services Limited
0
20 November 2012
Idbi Trusteeship Services Limited
0
01 August 2013
Idbi Trusteeship Services Limited
0
10 February 2015
Idbi Trusteeship Services Limited
0
13 July 2015
Idbi Trusteeship Services Limited
0
13 July 2015
Idbi Trusteeship Services Limited
0
13 October 2015
Idbi Trusteeship Services Limited
0
02 June 2001
Bank Of Maharashtra
0
10 August 2001
Bank Of Maharashtra
0
20 December 1993
State Bank Of India
0
23 May 2000
Bank Of Maharashtra
0
10 December 2001
Bank Of Maharashtra
0
28 April 2003
Bank Of Maharashtra
0
25 November 2003
Bank Of Maharashtra
0
10 August 2001
Bank Of Maharashtra
0
10 December 2001
Bank Of Maharashtra
0
07 August 2002
Idbi Trusteeship Services Limited
0
05 January 2001
Bank Of Maharashtra
0
05 January 2001
Bank Of Maharashtra
0
28 April 2003
Bank Of Maharashtra
0
18 November 2003
Bank Of Maharashtra
0
27 June 1998
State Bank Of India
0
27 July 1998
State Bank Of India
0
06 November 2000
State Bank Of Bikaner & Jaipur
0
25 November 2002
Central Bank Of India
0
20 January 1989
State Bank Of India
0
Documents
Form MGT-15-05032021_signed
Form ADT-1-30122020_signed
Optional Attachment-(2)-30122020
Optional Attachment-(1)-30122020
Copy of written consent given by auditor-30122020
Optional Attachment-(3)-30122020
Optional Attachment-(4)-30122020
-30122020
Form DIR-12-29122020_signed
Evidence of cessation;-29122020
Optional Attachment-(1)-29122020
Optional Attachment-(2)-16122020
Form DIR-12-16122020_signed
Form CHG-4-10122020_signed
Letter of the charge holder stating that the amount has been satisfied-10122020
Form MGT-14-03122020_signed
Optional Attachment-(1)-03122020
Copy(s) of resolution(s) along with copy of explanatory statement under section 173-03122020
Optional Attachment-(2)-03122020
Letter of the charge holder stating that the amount has been satisfied-26112020
Form CHG-4-26112020_signed
Form MSME FORM I-19112020_signed
Optional Attachment-(3)-18112020
Form DIR-12-18112020_signed
Evidence of cessation;-18112020
Optional Attachment-(1)-18112020
Optional Attachment-(2)-18112020
Declaration of the appointee director, Managing director, in Form No. DIR-2;-18112020
Form CHG-4-14102020_signed
Letter of the charge holder stating that the amount has been satisfied-14102020
