FIELD OF INVENTION
The present invention relates to the field of Steel metallurgy.
More particularly, the present invention relates to a Converter slag blocking mechanism
More particularly, the present invention relates to an improved Converter slag blocking mechanism which saves the installation space and improves the quality of molten steel and the working efficiency.
BACKGROUND AND PRIOR ART OF THE INVENTION
Slag blocking at tapping port has always been an important link in improving the quality of molten steel in converter steel making process because the steel slag flowing out of converter will make the molten steel return sulphur and phosphorus and reduce the purity of molten steel. In the prior art, the traditional converter slag blocking modes such as slag blocking balls and floating plug are gradually being eliminated. In recent years, the skateboard slag blocking mode developed and widely promoted has achieved good application results. However, the existing skateboard slag blocking mechanism is installed vertically, resulting in narrow rotating space and reduced working efficiency. In order to save installation space and improve working efficiency, this utility model proposes a converter slag blocking mechanism that saves installation space.
The technical problem to be solved by the present invention is that in view of the disadvantages of the above existing technology, a converter slag retaining mechanism saving the installation space is proposed, which not only saves the installation space but also improves the working efficiency, the structure is simple and the maintenance is convenient.
Reference may be made to Chinese Patent application bearing no. CN103525973A, titled “Converter mechanism for slag blocking and steel tapping through sliding plates” by Maanshan Lier Kaiyuan New Material Co., Ltd. The invention discloses a converter mechanism for slag blocking and steel tapping through sliding plates. A fixed frame is fixed on a connecting plate, an opening and closing frame is connected to the fixed frame through a hinge pin roll, a sliding frame is arranged inside the opening and closing frame, slidable sliding rails and fixed sliding rails are correspondingly arranged on two sides of the sliding frame and the opening and closing frame respectively, an inner nozzle brick is installed inside the fixed frame and pressed tightly by an inner nozzle pressing plate, an inner sliding plate brick is installed inside the fixed frame, an outer sliding plate brick is installed inside the sliding frame, an outer nozzle brick is installed inside an outer nozzle base and pushed against tightly by an outer nozzle pusher, and a driving device is located at the top of the sliding frame and connected with the sliding
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frame through a pin roll. According to the converter mechanism, the safety of the whole mechanism is greatly improved, the service life of the whole mechanism is greatly prolonged, the system pressurization operation is free from influence of manual operation factors, the equilibrium and the stability of the surface pressure between the inner sliding plate and the outer sliding plate are guaranteed, and steel leakage accidents are effectively reduced.
Another reference may be made to Chinese Patent application bearing no. CN105400925A, titled “Converter slag stopping device rapidly replaceable on line and installation method thereof”. The invention discloses a converter slag stopping device rapidly replaceable on line. The converter slag stopping device comprises a connection board, an oil cylinder assembly, a fixed sliding brick installation framework, a slidable sliding brick installation framework, a sliding brick compressing framework, a slag stopping plate, a wedge-form positioning block, a guiding device and a bolt assembly, wherein the oil cylinder assembly comprises an oil cylinder, an oil cylinder support, an oil cylinder connection handle and an oil cylinder connection handle pin. The invention also provides an installation method for the converter slag stopping device rapidly replaceable on line. According to a technical scheme, the installation method comprises the following steps: step 1, rocking a converter so as to allow a tap hole of the converter to move to a place in front of the converter; step 2, hoisting the slag stopping device to a connection board with a sling and rocking the converter when the slag stopping device is close to the tap hole of the converter; step 3, slowing dropping the slag stopping device to allow the lower plane of the wedge-form positioning block of the slag stopping device to fit a wedge-form positioning and guiding device of the connection board; and step 4, applying an external force on the slag stopping device and compressing bolts to lock the converter slag stopping device so as to finish installation. The method realizes on-line rapid installation or replacing of the converter slag stopping device, improves installation or replacing efficiency, reduces labour intensity and eliminates potential safety hazards.
A further reference may be made to United States Patent application bearing no. CN106086297A, titled “Sliding water nozzle device for slag blocking of converter”. The invention discloses a sliding water nozzle device for slag blocking of a converter. The sliding water nozzle device is characterized in that F-shaped fixed door shaft seats are arranged on the two sides of a fixed frame; the distance from the central holes of the F-shaped fixed door shaft seats to the groove bottom of an inner sliding brick groove is 172 to 177 mm; T-shaped spring chambers are arranged on the two sides of an opening-closing frame, so that the widths of spring pressing plates and slide rails are taken in consideration; the upper and lower sides of the spring chambers are thickened
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and are provided with movable door shaft holes; the fixed frame is fixed to a debugging frame; the door opening angle is 110 degrees or above; the interference phenomenon is prevented; during pressurization operation, surface pressure bolts penetrate through the spring pressing plates, springs and the opening-closing frame to be screwed on the fixed frame; and surface pressure is uniformly transmitted between an inner slide brick and an outer sliding brick through the slide rails. According to the sliding water nozzle device for slag blocking of the converter provided by the invention, the door opening angle is large, the spring pressure fluctuation is small, the surface pressure transmission is uniform and constant, the off-line operation is convenient, the maintenance is simple, the cost is low, and the safety performance is good, and the device is an ideal substitute product of conventional converter slag blocking devices of which the weight is 180 tons or below.
Another reference may be made to Chinese Patent application bearing no. CN202139256U, titled “Slag-blocking gate valve mechanism for steel-tapping hole of converter”. The utility model relates to a slag-blocking gate valve mechanism for a steel-tapping hole of a converter. The slag-blocking gate valve mechanism comprises a fixing frame, a switching frame, a sliding frame, a fixed sliding plate brick, a movable sliding plate brick both, an outer nozzle brick, an outer nozzle fixing frame, and an outer nozzle mounting frame, wherein the middle parts of the fixed sliding plate brick and the moveable sliding plate brick are provided with holes; the fixing frame and the switching frame are arranged from the top to the bottom and are connected with each other through a pin shaft; the sliding frame is arranged in the switching frame; the fixed sliding brick is fixed in the fixing frame; the movable sliding plate brick and the outer nozzle brick are fixed in the sliding frame from the top to the bottom; the upper surface and the lower surface of the movable sliding brick are respectively contacted with the fixed sliding plate brick and the outer nozzle brick; a sliding guide rail on the lower surface of the sliding frame is contacted with a fixed guide rail on the upper surface of the switching frame; an outer nozzle mounting frame fixed on the sliding frame is arranged between the switching frame and the outer nozzle brick; and the outer nozzle fixing frame is arranged between the outer nozzle mounting frame and the recess of the outside diameter of the lower part of the outer nozzle brick. The structure can be staggered in a sliding way through two sliding plate bricks with holes; and the steel-tapping hole is opened or closed to block the slag and discharge the steel.
A further reference may be made to United States Patent application bearing no. CN202925051U, titled “Fast-positioning converter sliding-plate-method slag stopping and tapping device”. The utility model provides a fast-positioning converter sliding-plate-method slag stopping and tapping device. The fast-positioning converter sliding-plate-method slag stopping and tapping device comprises a connecting plate, a mounting plate
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and a door frame, which are parallel to one another, wherein the connecting plate is connected with a converter tapping hole, the mounting plate is connected with the surface of the connecting plate, and the door frame is connected with the surface of the mounting plate; when being positioned at a hollow upper limit, a molten steel nozzle is at a complete shielding state, when being positioned at a hollow lower limit, the molten steel nozzle is at a complete connection state, and when being not positioned at the hollow upper limit and the hollow lower limit, the molten steel nozzle is at a state between compete connection and complete shielding; and the fast-positioning converter sliding-plate-method slag stopping and tapping device also comprises a driving device which is connected with one end of a sliding plate and supplies power by which the sliding plate slides back and forth along a vertical direction. The fast-positioning converter sliding-plate-method slag stopping and tapping device has the beneficial effects of being safe and reliable to use, simple to operate and convenient to replace, having a good slag blocking effect and meeting a few-slag and slag-free tapping requirement of a converter.
Another reference may be made to Chinese Patent application bearing no. CN203487171U, titled “Sliding plate slag-stopping tapping converter mechanism”. The utility model discloses a sliding plate slag-stopping tapping converter mechanism. A fixed frame is fixed on a connecting plate, an open-close frame is connected with the fixed frame through a hinge pin shaft, a sliding frame is arranged in the open-close frame, and two sides of each of the sliding frame and the open-close frame are correspondingly provided with movable sliding rails and fixed sliding rails; an inner nozzle brick is arranged in the fixed frame and pressed through an inner nozzle press plate, an inner slide brick is arranged in the fixed frame, an outer slide brick is arranged in the sliding frame, an outer nozzle brick is arranged in an outer nozzle seat and is tightly pushed through an outer nozzle pushing machine, and a driving device is arranged at the top of the sliding frame and connected with the sliding frame through a pin shaft. The security and the service life of the whole mechanism are obviously improved and prolonged, the system pressurizing operation is free from the influence of manual operation, the balance and stabilization of the surface pressure between an inner slide plate and an outer slide plate are guaranteed, and the probability of steel breakout accident is effectively reduced.
A further reference may be made to United States Patent application bearing no. CN101974664A, titled “Slag controlling and steel tapping device for slide gate nozzle of converter steel tapping hole”. The invention discloses a slag controlling and steel tapping device for a slide gate nozzle of a converter steel tapping device, and belongs to a converter steel tapping device. The device is characterized in that: the upper end and
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the lower end of a left spring box and a right spring box are respectively provided with an end axle which is formed integrally with the spring box; the left side and the right side of a mounting plate are provided with rectangular grooves correspondingly; and pin shafts for hinging hooks are penetrated in the grooves; the hook head of each hook hooks each end axle on the left spring box and the right spring box correspondingly; the horizontal centre line of each spring box is consistent with the horizontal centre line of a steel flowing hole of a fixed slide gate brick; compression springs are arranged in both the left spring box and the right spring box; the front plane of the fixed slide gate brick on the mounting plate is slightly higher than the plane of the mounting plate; the alloy sliders are arranged on the side surfaces between an upper roller and a lower roller on the left side and the right side of a sliding frame; the back side surface of each alloy slider is slightly lower than the roller edge of each roller; steel flowing holes reserved on a sliding slide gate brick and the fixed slide gate brick are in center-bias in a length direction; the locking force of each spring box is constant; the device is more convenient to maintain and replace; and a slag stopping effect is good.
Another reference may be made to European Patent application bearing no. EP0603480A2, titled “Sliding closure in particular for a converter holding a bath of molten metal”. The sliding closure (20) is arranged at an outlet (15) of a converter (10) containing a bath of molten metal and has a refractory base plate and a refractory slide plate for the purpose of opening and closing the converter outlet. Preferably three additional refractory closure plates are sealingly arranged between the base plate (22) and slide plate (24), which closure plates are either fixedly secured to the base plate (22) or else are displaceable together with the slide plate (24). A decisive factor in the present invention is also that a number of closure plates (23) are provided between the slide plate (24) and the base plate (22) such that with these an overall plate durability is achieved which corresponds to that of the refractory sleeves (16) used for the tap hole. During the operation of the converter (10), first of all only the slide plate (24) is displaced, while the closure plates (23) are held immovably with their flow-through openings concentric to that of the base plate (22). When the slide plate (24) is worn, the latter is moved together with the next closure plate (23) up to open and close the closure (20) and, when this plate is worn, the next closure plate (23) is moved, until the base plate (22), the slide plate (24) and the closure plates (23) are all worn. By means of the coupling mechanism (30) arranged in the sliding closure (20), the closure plates (23) are in each case either coupled with or uncoupled from the slide plate (24) or else the base plate (22). Consequently, by means of the invention considerable advantages are achieved in terms of handling and with regard to the operation of the converter compared with the use of a known sliding closure.
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A further reference may be made to United States Patent application bearing no. CN204097504U, titled “Converter sliding plate slag stopping mechanism”. The invention discloses a converter sliding plate slag stopping mechanism, comprising a connecting assembly, a mechanism installation assembly, a mechanism switching assembly and a mechanism sliding assembly. The converter sliding plate slag stopping mechanism provided by the utility model effectively stops the slag of a converter to avoid production accidents, and meanwhile, reduce the maintenance cost and improve the production efficiency.
However, none of the inventions in the prior art provide any product or technology which offers the unique and innovative features as provided by the present invention. The present invention overcomes all the disadvantages of the existing technologies and provides a unique mechanism for slag blocking which not only saves the installation space but also improves the working efficiency of the system. The invention is simple in structure, convenient to use and simple to maintain. Therefore, the present invention is innovative and technically advanced over the technologies disclosed in prior art.
OBJECTS OF THE INVENTION
The primary objective of the present invention is to provide an improved Converter slag blocking mechanism which overcomes the drawbacks of the inventions disclosed in the prior art.
Another objective of the present invention is to provide a Converter slag mechanism which saves installation space.
Another objective of the present invention is to provide a Converter slag mechanism where slag blocking plate is transversely arranged.
Another objective of the present invention is to provide a Converter slag mechanism with cooling air channel arranged in the switch mold frame to cool the slag blocking mechanism and the spring mechanism.
A further objective of the present invention is to provide a Converter slag mechanism which improves the quality of molten steel.
Yet another objective of the present invention is to provide a Converter slag mechanism which improves the work efficiency.
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SUMMARY OF THE INVENTION
The invention discloses an improved Converter slag blocking mechanism for saving installation space, which comprises a sliding nozzle mechanism and a slag retaining mechanism. The sliding nozzle mechanism comprises a fixed mold frame, a sliding mold frame, and a switch mold frame, and further comprises a sliding guide rail, a sliding brick and a spring. The sliding mold frame is disposed between the switch mold frame and the lower sliding brick, the fixed mold frame is fixedly connected with the top surface of the upper sliding brick, and one side of the fixed mold frame is connected with the switch mold frame through the surface pressure bolt and slides. The bottom surface of the mold frame and the top surface of the switch mold frame are provided with sliding guide rails. One end of the bottom surface of the switch mold frame is vertically provided with a groove, and the spring mechanism is clamped in the groove. The two ends of the bottom surface of the lower sliding brick are fixed by bolts and blocks. The slag retaining mechanism comprises a slag blocking plate, a sewage installation frame and a fixed mold frame. The installation space improves work efficiency and applicability of the slag blocking mechanism.
BRIEF DESCRIPTION OF DRAWINGS
In the drawings Figure 1 & Figure 2 represent the schematic diagram of the structural setup of Converter slag blocking mechanism.
Reference numerals represent the parts of the system.
1. fixed frame
2. sliding frame
3. switch frame
4. sliding guide
5. spring mechanism
6. face pressure bolt
7. up slide brick
8. down slide brick
9. Fixing bolt
10. slag blocking plate
11. water inlet installation mold frame or mounting mold frame
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12. water inlet fixed mold frame
111 - vertical end;
112-horizontal end
13. cooling air passage
14. spring
15. spring guide sleeve
16. spring plate
STATEMENT OF THE INVENTION
Accordingly, the present invention provides an improved Converter slag blocking mechanism comprising of a sliding nozzle mechanism and a slag retaining mechanism, wherein the sliding nozzle mechanism consists of a fixed mold frame, a sliding frame, and a switch mold frame, a slide guide, a sliding brick, a spring mechanism & a face pressure bolt and Slag retaining mechanism consists a slag blocking plate, a water outlet mounting mold frame & a water outlet fixed mold frame, such that the sliding brick and the upper nozzle move along with the sliding mold frame to realize the slag blocking function of the tapping hole and the slag blocking plate is transversely arranged saving installation space and; a cooling air channel is arranged in the switch mold frame to cool the slag blocking mechanism and the spring mechanism resulting in the improved working efficiency and the applicability of the slag blocking mechanism.
DETAILED DESCRIPTION OF THE INVENTION
It should be noted that the particular description and embodiments set forth in the specification below are merely exemplary of the wide variety and arrangement of instructions which can be employed with the present invention. The present inventions may be embodied in the other specific forms without departing from the spirit or essentials characteristics thereof. All the features disclosed in this specification may be replaced by similar other or alternative features performing similar same or equivalent purposes. Thus, unless expressly stated otherwise, they all are within the scope of present invention. Various modifications or substitutions are also possible without departing from the scope or spirit of the present invention. Therefore, it is to be understood that this specification has been described by way of most preferred embodiment and for the purpose of illustration and not limitation.
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Structural Setup:
The converter slag blocking mechanism for saving installation space provided by the embodiment includes a sliding nozzle mechanism and a slag retaining mechanism, and the sliding nozzle mechanism comprises a fixed mold frame (1), a sliding mold frame (2) and a switch mold frame (3), and a sliding guide rail (4), a sliding brick, a spring mechanism (5) and a surface pressure bolt (6).
The sliding mold frame (2) is disposed between the switch mold frame (3) and the lower sliding brick (8) in the sliding brick, and the fixed mold frame (1) and the upper sliding brick (7) in the sliding brick are fixed on the top surface. One side of the fixed mold frame (1) is connected to the switch mold frame (3) through the surface pressure bolt (6), and the surface of the fixed mold frame (1) is connected by a connecting shaft, the bottom surface of the sliding mold frame (2) and the switch mold frame (3). The top surface is provided with a sliding guide rail (4), and one end of the bottom surface of the switch mold frame (3) is vertically provided with a groove, and the spring mechanism (5) is locked in the groove.
The two ends of the sliding brick (8) end are connected with the slag retaining mechanism by fixing Bolt (9). The slag-retaining mechanism includes slag plate (10), water inlet installation mold frame (11) and a fixing mold frame of the water inlet (12). The water inlet fixing mold frame (12) is located at the two sides of the water inlet, and the inlet installation mold frame (11) is L-shaped and has a vertical end (111) and horizontal end (112).
The horizontal end (112) is arranged between the slag plate (10) and the switch mold frame (3) bottom surface, the vertical end (111) is arranged between the switch mold frame (3) and the water inlet fixed mold frame (12), the switch mold frame (3) also opens the cooling airway (5) to the spring mechanism (13), the cooling airway (13) accesses the cooling gas through the cooling pipe, and the end of the cooling pipe extends the switch mold frame (3).
The Spring body includes Spring (14), spring Guide sleeve (15) and spring plate (16), Spring (14) is located on both sides of groove inner wall, spring guide Sleeve (15) is located between two spring, Spring Plate (16) is located at Groove Mouth, and spring (14) is interaction.
The sliding brick and the upper nozzle move along with the sliding mold frame to realize the slag blocking function of the tapping hole, and the slag blocking plate is transversely arranged, thus saving installation space;
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a cooling air channel is arranged in the switch mold frame to cool the slag blocking mechanism and the spring mechanism, thus not only improving the working efficiency and the applicability of the slag blocking mechanism, but also improving the purity of molten steel, and the technical scheme is simple in structure, convenient to use and simple to maintain.
So accordingly, the present invention provides an improved Converter slag blocking mechanism comprising of a sliding nozzle mechanism and a slag retaining mechanism, wherein the sliding nozzle mechanism consists of a fixed mold frame, a sliding frame, and a switch mold frame, a slide guide, a sliding brick, a spring mechanism & a face pressure bolt and the Slag retaining mechanism consists a slag blocking plate, a water outlet mounting mold frame & a water outlet fixed mold frame, such that the sliding brick and the upper nozzle move along with the sliding mold frame to realize the slag blocking function of the tapping hole and the slag blocking plate is transversely arranged saving installation space and; a cooling air channel is arranged in the switch mold frame to cool the slag blocking mechanism and the spring mechanism resulting in the improved working efficiency and the applicability of the slag blocking mechanism.
In an embodiment, an Improved Converter slag blocking mechanism of a sliding nozzle mechanism and a slag retaining mechanism.
In other embodiment, sliding nozzle mechanism consists of a fixed mold frame (1), a sliding frame (2), and a switch mold frame (3), a slide guide (4), a sliding brick, a spring mechanism (5) & a face pressure bolt (6).
In another embodiment, Slag retaining mechanism consists a slag blocking plate (10), a sewage installation mold frame (11) & a water inlet fixed mold frame (12).
In yet another embodiment sliding mold frame (2) is arranged between the switch mold frame (3) and the sliding brick (8).
In another embodiment, the fixed frame (1) is fixed to the top of the upper sliding brick (7) in the sliding brick and the side of the fixed frame (1) is connected with the switch frame through a face pressure bolt (6).
In another embodiment, the bottom surface of the sliding frame (2) and sliding guide (4) are arranged on top of the switch frame (3), and one end of the bottom surface of the switch frame (3) is vertically grooved and spring mechanism (5) is arranged in the groove.
In yet another embodiment, the two ends of the bottom of the sliding brick (8) are connected with the slag-retaining mechanism by fixing bolts (9).
In another embodiment, the switch mold frame (3) further has a cooling air passage (13) leading to the spring mechanism (5), wherein the cooling gas is connected through
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a cooling air pipe (13) with one end of the cooling air pipe extends out of the switch frame (3).
In another embodiment, the spring mechanism comprises a spring (14), a Spring guide sleeve (15), and a spring plate (16), wherein the spring (14) is arranged on both sides of the groove inner wall; the Spring guide sleeve (15) is arranged between two springs and; the spring Plate (16) is arranged at the groove mouth and interacts with the spring (14).
In another embodiment, fixed mold frame (1) is rotatable and connected to the surface pressing rod rotating arm via a connecting shaft.
In yet another embodiment, fixed mold frame (12) is arranged on both sides of the water inlet.
In yet another embodiment, installation mold frame (11) is L-shaped and has a vertical end (111) & a horizontal end (112), such that the horizontal end (112) is arranged between the slag plate (10) and the switch mold frame (3) bottom surface and the vertical end (111) is arranged between the switch mold frame (3) and the fixed mold frame (12).
In another embodiment, the sliding brick and the upper nozzle move along with the sliding mold frame to realize the slag blocking function of the tapping hole & the slag blocking plate is transversely arranged, thus saving the installation space.
In yet another embodiment, the cooling air channel is arranged in the switch mold frame to cool the slag blocking mechanism and the spring mechanism, such that it improves the quality of molten iron and the working efficiency of the slag blocking mechanism.
ADVANTAGES
1. Saves Installation space.
2. Improves the quality of Molten steel.
3. Improves the work efficiency.
4. Simple in structure and setup.
5. Convenient to use.
6. Easy and low-cost maintenance

WE CLAIM
1. An improved Converter slag blocking mechanism for saving installation space comprising a sliding nozzle mechanism and a slag retaining mechanism, wherein the Sliding nozzle mechanism comprises of a fixed mold frame (1), sliding mold frame (2), switch mold frame (3), slide guide (4), spring mechanism (5), face pressure bolt (6), and sliding brick (7) (8) and Slag retaining mechanism comprises of a slag blocking plate (10), a water inlet fixed mold frame (12), and a water inlet installation mold frame (11), wherein the sliding brick (7) and the upper nozzle move along with the sliding mold frame (2) to realize the slag blocking function; the slag blocking plate (10) is transversely arranged to save the installation space; and a cooling air channel (13) is arranged in the switch mold frame (3) to cool the slag blocking mechanism and the spring mechanism (5) resulting improved working efficiency of the system.
2. An improved Converter slag blocking mechanism as claimed in claim 1, the Sliding nozzle mechanism comprising a fixed mold frame (1), sliding mold frame (2), switch mold frame (3), slide guide (4), spring mechanism (5), face pressure bolt (6), and sliding brick (7) (8); wherein the two ends of the bottom of the sliding brick (8) are connected with the slag-retaining mechanism by fixing bolts (9).
3. An improved Converter slag blocking mechanism as claimed in claim 1, the Slag retaining mechanism comprising a slag blocking plate (10), a water inlet fixed mold frame (12), and a water inlet installation mold frame (11), wherein the installation mold frame (11) is L-shaped having its horizontal end (112) arranged between the slag plate (10) and the switch mold frame (3); and the vertical end (111) is arranged between the switch mold frame (3) and the fixed mold frame (12).
4. An improved Converter slag blocking mechanism as claimed in claim 2, wherein the fixed mold frame (1) is fixed to the top of the upper sliding brick (7) in the sliding brick and the side of the fixed frame (1) is connected with the switch frame through a face pressure bolt (6).
5. An improved Converter slag blocking mechanism as claimed in claim 2, wherein the bottom surface of the sliding frame (2) and sliding guide (4) are arranged on top of the switch frame (3), and one end of the bottom surface of the switch frame (3) is vertically grooved and spring mechanism (5) is arranged in the groove.
6. An improved Converter slag blocking mechanism as claimed in claim 2, the switch mold frame (3) further has a cooling air passage (13) leading to the spring
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mechanism (5), wherein the cooling gas is connected through a cooling air pipe (13) with one end of the cooling air pipe extends out of the switch frame (3).
7. An improved Converter slag blocking mechanism as claimed in claim 2, the spring mechanism comprises a spring (14), a Spring guide sleeve (15), and a spring plate (16), wherein the spring (14) is arranged on both sides of the groove inner wall; the Spring guide sleeve (15) is arranged between two springs and; the spring Plate (16) is arranged at the groove mouth and interacts with the spring (14).
8. An improved Converter slag blocking mechanism as claimed in claim 2, wherein the fixed mold frame (1) is rotatable and connected to the surface pressing rod rotating arm via a connecting shaft.
9. An improved Converter slag blocking mechanism as claimed in claim 3, wherein the fixed mold frame (12) is arranged on both sides of the water inlet.
10. An improved Converter slag blocking mechanism as claimed in claim 1, wherein the sliding brick and the upper nozzle move along with the sliding mold frame (2) to realize the slag blocking function of the tapping hole; and the slag blocking plate (10) is transversely arranged, saving the installation space
11. An improved Converter slag blocking mechanism as claimed in claim 1, wherein the cooling air channel (13) is arranged in the switch mold frame (3) to cool the slag blocking mechanism and the spring mechanism (5), such that it improves the quality of molten iron and the working efficiency of the system.
12. An improved Converter slag blocking mechanism for saving installation space as claimed in above claims capable of saving the installation space, improving the quality of molten steel and working efficiency substantially as herein before described with reference to the accompanying specification, drawings and any of the preceding claims.