Company Information
CIN
Status
Date of Incorporation
07 November 1975
State / ROC
Delhi / ROC Delhi
Industry
hydro-electric power plants
Sub Category
Union Govt company
Last Balance Sheet
Last Annual Meeting
Paid Up Capital
96,966,661,340
Authorised Capital
166,000,000,000
Directors
Past Directors
Patents
In one implementation, the present invention provides a system and method for preparation of desalinated water by using waste heat of flue gases from power plant. The system comprises of at least a Low Pressure (LP) steam generation block comprising of flue gas heat exchanger to generate hot water and a flash chambe...
The present invention provides a Solar Thermal Cooking System (STCS) that utilizes
enthalpy of solar energy in a solar section to elevate the temperature of thermic fluid up
10 to temperature of 100-270°C and thereby transfers the thermic fluid to a cooking section
and perform the cooking. The said STCS can perfo...
The present invention provides a method for recovering heat and generating a cooling effect. The method comprising the steps of: receiving, by a heat exchanger system, a flue gas produced in a slip stream duct using one or more variable frequency drive (VFD) fan; extracting, by using the heat exchanger system deploy...
This invention relates to an apparatus for sensing internal and external defects in boiler tube of magnetic material from the outer surface comprising of an exciter generating a magnetic field to penetrate through the tube, which is received back by atleast a pair of receivers in close proximity with said tube, wher...
This invention relates to a magnetic crawler for monitoring ferromagnetic tubes of boiler waterwall comprising of a motor with a plurality of clamped permanent magnets not in contact with said tubes.
Disclosed is a system and method therefor providing integration of solar energy in fossil fired power plant. A system that integrate a solar heat exchanger (16) in the feed water (102) circuit parallel to the last regenerative feed water heat exchanger (9) of a fossil fired power plant. A portion of feed water (102)...
A method of winding magnetic wires through winding slots of the stator of a
low voltage electrical machine to make it compatible for VFD applications is
provided. A slot liner is provided along the inner periphery of each of the
winding slots. Spike resistant magnetic wires are wound until each phase is
complete...
Bio-fruits such as Pongamia-Pinnata is used for conversion of biodiesel wherein outer shells (50% by mass) of fruits are treated as waste having caloric value around 4000 kcal/kg. During the bio diesel production from fruits, only 15-17% energy is recovered as bio diesel. The bio diesel production unit of the presen...
This invention relates to an additive for use in ordinary portland cement
capable of replacing upto 30% of ordinary portland cement comprising
flyash and at least a plasticizer and further this invention relates to a
process for the preparation of an additive for use in ordinary portland
cement and capable of re...
This invention relates to a fly ash based detergent comprising: i. 86 to
94% of flyash, ii. 1 to 4% of natural surfactant, iii. 1 to 4% of trisodium
phosphate, iv. 1 to 4% of sodium bicarbonate v. 0 to 4% of a surfactant.
Further this invention relates to a process for preparation of a detergent
having flyash co...
This invention relates to a novel clean process to determine colloidal silica in raw and DM water using microwave power (800 watt) at 200-260°C, 60 Bar pressure wherein colloidal silica gets converted into reactive silica in closed system.
A method for online cleaning of fouled PVC fills of cooling towers exposed to air /water borne dust/ bio-fouling using a combination of an oxidizer like hydrogen peroxide at a concentration range of 0. 1 to 0.2% by weight; surfactant like Linear alkyl benzene sulphonate 5-20ppm and dispersant like Polyacrylate, 2-15...
This invention relates to a system for determination of steam water ratio in water wall tubes comprising of an instrumented water wall tube connected to signal conditioning and data acquisition unit and electronic circuit wherein said water wall tube housing a temperature and pressure resistive capacitance sensor.
...
This invention relates to a method of determining qualitative composition of constituents of wear particles in lubricating oil and hydraulic fluids of critical rotating parts which comprises the steps of : a) separating wear particles from lubricating oil or hydraulic fluids by applying a gravitational, magnetic and...
A nano-lubricant composition having improved lubricant properties is provided 10 comprising a lubricating fluid andN-doped graphene (N-TEG) dispersed in said fluid. A method of preparing Nano-lubricant composition is also provided herein.
The present disclosure provides an integrated process for pollution control in
coal combustion power plant. The process involves reacting a by product of
coal combustion process such as exhaust flue gas with another waste product
such as alkaline ash slurry. The process reduces the oxides of carbon, sulfur,
and ...
This invention relates generally to heating, ventilation air conditioning systems suitable for industrial or commercial applications. More particularly the present invention relates to an air conditioning system using enthalpy of solar energy for its operation. Additionally this machine is configured to func...
This invention relates generally to a system and method of solar tracking. More particularly the present invention relates to an improved electromechanical device for capturing solar radiation and a method thereof. It can be used in any type of application like solar PV, Solar Thermal, Solar Radiation Measur...
The present invention relates to a fly ash level detection module, device and
method of detection thereof. The fly ash level detection module comprises a first
and a second piezoelectric sensor paired with each other and the sensors are
detachably attached to a metal scaffold which can freely vibrate. The first
...
The present invention discloses a layered electrode for seawater electrolysis and a process for preparation thereof. The layered electrode includes a first inner layer of sulphonated Graphene (G) coated over a conducting substrate of Nickel foam (Ni) forming a Nickel-Graphene (Ni-G) substrate and a second outer laye...
The present invention relates to the field of catalyst modified electrode for electrolysis, wherein the catalyst modified electrode is metal nitride based nanocatalyst with protective conductive CN-coating modified bi-functional electrodes. Present invention discloses a catalyst system that is selective towards OER ...
The present invention relates to an active solar space heating system (100). The solar space heating system (100) includes a solar thermal collector (102) with a series of evacuated tube collector to harvest solar energy; a PCM based thermal energy storage (106) in fluid communication with the solar thermal collecto...
The present invention discloses a three-dimensional electrode for seawater electrolysis. Particularly, the invention discloses nanometallic S-doped metal oxyhydroxides flakes grown on Ni foam based three-dimensional electrode. More particularly, the present invention discloses Sodium Sulphide induced Ni-Fe oxyhydrox...
Trademarks
[Class : 9] Development & Production Of Thermal, Hydro And Nuclear Power Through Non Conventional/Renewable Energry. Transmission, Distribution And Sale Of Power
[Class : 40] Development & Production Of Energy / Electricity By Thermal, Hydro And Nuclear Power Through Non Conventional/Renewable Energy.
[Class : 42] Design And Development Of Computer Software For Use In Medical Services, Clinical Management, Reporting Among Doctors, Hospital, Chemist And Clinical & Medical Monitoring. In Class 42
[Class : 42] Vidhi Mantra Is A Software Development And Web Based Application For Use In Management And Monitoring In Legal Services. It Providers A Centralized, Web Based Digital Repository Of All Legal Documents, Court Proceedings, Litigant Information & Upcoming Events To Legal Teams Of Ntpc. In Class 42
[Class : 42] Design, Development And Data Management Of Computer Software Application For Use In Contractors Labour Information Management System And Services. The System Is Designed To Ensure Medical, Safety And Statutory Compliances Using Systemic Workflows During Execution Of A Labour Intensive Contract And It Supports Automatic Recording Of Labourers Attendance Using Bio...
[Class : 42] Software Development And Data Processing For Use In Supervisory And Analytical Dash Board. Digital Forms For Employees. A Chat Bot Called Naica For Instant Resolution Of All Employee Queries. Hruss In Ntpc Has A View How Hr Services Are Delivered To Employees. It Also Helped In Engaging Hr Employees In Quality Work With Significant Improvement In System Process....
[Class : 19] In Class 19
Non Metallic Building Materials & Pipes, Ash Bricks, Ash Based Cement, Ash Based Tiles, Ash Based Aggregate(coarse And Fine), Ash Based Paver Blocks, Ash Based Precast Structural Members, Bottom Ash And Fly Ash.
