CN220454343U - Device for preventing short pipe of trouser leg of vacuum tank from deforming - Google Patents

Device for preventing short pipe of trouser leg of vacuum tank from deforming Download PDF

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Publication number
CN220454343U
CN220454343U CN202321179523.8U CN202321179523U CN220454343U CN 220454343 U CN220454343 U CN 220454343U CN 202321179523 U CN202321179523 U CN 202321179523U CN 220454343 U CN220454343 U CN 220454343U
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China
Prior art keywords
pipe
pipes
trouser leg
cooling
short
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CN202321179523.8U
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Chinese (zh)
Inventor
张小龙
任世岗
覃小峰
徐忠
杨海龙
郑伟锋
黄伟红
林晓强
伍世钧
李献京
罗伟强
谢国和
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Guangdong Zhongnan Iron and Steel Co Ltd
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Guangdong Zhongnan Iron and Steel Co Ltd
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Priority to CN202321179523.8U priority Critical patent/CN220454343U/en
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Abstract

The utility model provides a device for preventing short pipe of trouser leg of vacuum tank from deforming, which relates to the technical field of RH refining furnaces and comprises: the tank body, the top is equipped with the material throwing box, and tank body bottom is equipped with the bottom plate, can form the vacuum tank between bottom plate and the material throwing box, and the bottom plate bottom is equipped with two trouser leg nozzle stub that the symmetry set up, and cooling module locates two trouser leg nozzle stub outsides for carry out cooling to the trouser leg nozzle stub. The device can cool down and cool down the trouser leg short pipe through the use of the cooling component, thereby avoiding the phenomenon that the vacuum groove trouser leg short pipe is too high in long-time production temperature and causes deformation of the metal shell, affecting the normal installation of the dipping pipe and reducing the accident occurrence of the vacuum groove refractory material.

Description

Device for preventing short pipe of trouser leg of vacuum tank from deforming
Technical Field
The utility model relates to the technical field of RH refining furnaces, in particular to a device for preventing short pipe of trouser leg of a vacuum groove from deforming.
Background
The refining is a process of transferring primary refined molten steel in a converter and an electric furnace to another reactor for refining, namely secondary refining, RH system equipment is molten steel secondary refining process equipment for producing high-quality steel, the whole molten steel metallurgical reaction is carried out in a vacuum groove built with a refractory lining, and short legs of vacuum groove underpants of the current 130 ton RH furnace are easy to generate fatigue deformation due to the heating of the groove bottom in the using process, and the bottom of a vacuum chamber is sunk due to the influence of high-temperature fatigue on a steel shell.
When the dipping pipe is in butt joint, the point close to the middle part is lower, the upper surface of the dipping pipe is not on a horizontal line, so that the dipping pipe forms a short leg of an eight-shaped underpants, the flow field of molten steel in a vacuum chamber is changed, the molten steel treatment effect is not ideal, the production and the use of a vacuum tank are affected more seriously, the dipping pipe cannot be inserted into the molten steel due to the serious eight-shaped character, the dipping pipe cannot be produced, and the dipping pipe is difficult to install due to serious deformation.
Disclosure of Invention
The utility model aims to solve the defects in the background art, and provides a device for preventing the deformation of the trouser leg short pipe of the vacuum groove, which can cool the trouser leg short pipe by using a cooling component, thereby avoiding the occurrence of the deformation phenomenon of a metal shell, affecting the normal installation of a dipping pipe and reducing the occurrence of accidents of the vacuum groove refractory materials due to the fact that the production temperature of the trouser leg short pipe of the vacuum groove is too high for a long time.
In order to achieve the above object, the present utility model provides a device for preventing deformation of a short tube of a trouser leg of a vacuum tank, comprising: the tank body, the tank body top is equipped with the material throwing box, the tank body bottom is equipped with the bottom plate, the bottom plate with can form the vacuum tank between the material throwing box, just the bottom plate bottom is equipped with the trouser leg nozzle stub that two symmetries set up, and cooling module, two are located to cooling module trouser leg nozzle stub is outside, is used for right the trouser leg nozzle stub carries out cooling.
Further, the cooling assembly includes: the trousers leg short pipes are respectively arranged on two annular pipes outside the trousers leg short pipes, a mounting rack is arranged between the two annular pipes and the trousers leg short pipes, a connecting pipe is arranged between the two annular pipes, the connecting pipe is communicated with the two annular pipes, an air compressor is arranged on one side of the tank body, a compressed air cooling pipe is arranged on one side, close to the tank body, of the air compressor, and one end of the compressed air cooling pipe is communicated with the annular pipes.
Further, flanges are arranged at positions, close to the bottom plate, of the outer parts of the short trouser leg pipes, connecting blocks are arranged between the two flanges, butt welding pipes are arranged at the bottoms of the two flanges, and dip pipes are connected to the bottoms of the butt welding pipes.
Further, a plurality of air outlet holes are formed in one side, close to the short trouser leg pipe, of the outer portion of the ring pipe, the air outlet holes are uniformly distributed on the ring pipe, and the air outlet holes are in a downward inclined structure.
Further, two fixed steel plates are arranged outside the flanges, and the fixed steel plates are detachably connected with the bottom plate through bolts.
Further, two outside winding of dip tube has the cooling tuber pipe, the dip tube outside is equipped with a plurality of pipe clamp, the cooling tuber pipe runs through the pipe clamp, and is 8 font structure around in two the dip tube is outside, the cooling tuber pipe is close to one side of dip tube has seted up a plurality of ventilation hole.
Furthermore, one end of the cooling air pipe is connected with an L-shaped bent pipe, and the other end of the L-shaped bent pipe is communicated with the compressed air cooling pipe.
The utility model provides a device for preventing short pipe of trouser leg of vacuum groove from deforming, which has the following beneficial effects:
the utility model has the advantages that the trouser leg short pipe can be cooled by using the cooling component, thereby avoiding the phenomenon of deformation of the metal shell caused by overhigh production temperature of the trouser leg short pipe in the vacuum tank for a long time, influencing the normal installation of the dipping pipe and reducing the accident occurrence of the vacuum tank refractory material.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a cross-sectional view of the overall structure of the present utility model.
Fig. 3 is a schematic view of the flange structure of the present utility model.
Fig. 4 is a schematic view of a cooling air duct structure according to the present utility model.
Fig. 5 is a schematic view of the loop pipe structure of the present utility model.
Fig. 6 is an enlarged view of fig. 2 a in accordance with the present utility model.
In fig. 1-6: 1. a can body; 11. a charging box; 12. a bottom plate; 13. short tube of trouser leg; 14. an air outlet hole; 15. fixing the steel plate; 16. a cooling air pipe; 17. a pipe clamp; 18. a vent hole; 19. an L-shaped elbow; 2. a grommet; 21. a mounting frame; 22. a connecting pipe; 23. an air compressor; 24. a compressed air cooling tube; 3. a flange; 31. a connecting block; 32. butt welding a pipe; 33. a dip tube.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The embodiment of the application provides a prevent device of vacuum tank trouser leg nozzle stub deformation, and this prevent device of vacuum tank trouser leg nozzle stub deformation can realize cooling down the trouser leg nozzle stub through cooling module's use to avoid vacuum tank trouser leg nozzle stub production temperature too high for a long time, and lead to the phenomenon of metal casing deformation to take place, influence the normal installation of dip tube, reduce the occurence of failure of vacuum tank resistant material.
The means for preventing deformation of the short leg tubes of the vacuum tank will be described in detail. The following description of the embodiments is not intended to limit the preferred embodiments.
The present application is described in detail below with reference to the attached drawings and detailed description. Referring to fig. 1-6, an apparatus for preventing deformation of a short tube of a trouser leg of a vacuum tank according to this embodiment includes: the tank body 1, tank body 1 top is equipped with the material throwing box 11, and tank body 1 bottom is equipped with bottom plate 12, can form the vacuum tank between bottom plate 12 and the material throwing box 11, and bottom plate 12 bottom is equipped with two symmetrical trouser leg nozzle stub 13 that set up, and cooling module, cooling module locate two trouser leg nozzle stub 13 outsides for carry out cooling to trouser leg nozzle stub 13.
In some embodiments, the cooling assembly comprises: the two ring pipes 2 are respectively arranged outside the two short trouser leg pipes 13, a mounting rack 21 is arranged between the two ring pipes 2 and the short trouser leg pipes 13, a connecting pipe 22 is arranged between the two ring pipes 2, the connecting pipe 22 is communicated with the two ring pipes 2, an air compressor 23 is arranged on one side of the tank body 1, a compressed air cooling pipe 24 is arranged on one side of the air compressor 23, which is close to the tank body 1, one end of the compressed air cooling pipe 24 is communicated with the ring pipes 2, a plurality of air outlets 14 are formed on one side, which is close to the short trouser leg pipes 13, of the outside of the ring pipes 2, and the plurality of air outlets 14 are uniformly distributedOn the ring pipe 2, the air outlet holes 14 are arranged in a downward inclined structure, air is compressed by an air compressor 23, the air is conveyed into the ring pipe 2 through a compressed air cooling pipe 24, and the flow of the compressed air cooling pipe 24 is 10Nm 3 And/h, the pressure is 0.5Mpa, gas is sprayed out through the gas outlet holes 14 on the annular pipe 2, the annular pipe 2 is provided with one gas outlet hole 14 every 10 cm, the gas holes are opened inwards, the angle is inclined downwards by 15 degrees, the cooling gas can play a role in heat insulation and blowing and cooling, the annular pipe is arranged in parallel with the 8-shaped flange, the diameter of the annular pipe is 2 cm, the sprayed compressed gas is contacted with the outside of the trouser leg short pipe 13, so that the trouser leg short pipe 13 can be cooled, and the phenomenon that the trouser leg short pipe 13 is excessively high in production temperature for a long time and the metal shell is deformed can be prevented.
Wherein, the position that two trouser leg nozzle holders 13 outsides are close to bottom plate 12 all is equipped with flange 3, be equipped with connecting block 31 between two flanges 3, and two flange 3 bottoms are equipped with welded tube 32, all be connected with dip tube 33 to welded tube 32 bottom, fixed steel sheet 15 is all established to two flange 3 outsides, fixed steel sheet 15 passes through detachable between bolt and the bottom plate 12 and is connected, can consolidate two trouser leg nozzle holders 13 through two flanges 3, can effectively avoid trouser leg nozzle holders 13 to take place deformation, fixed steel sheet 15 can increase flange 3 and bottom plate 12's area of contact, thereby can increase the pulling force of trouser leg nozzle holders 13 and prevent to warp, 10 mm's butt welding tube 32 is reserved to flange 3 below, be used for welding dip tube 33 to welded tube 32.
In some embodiments, the cooling air pipes 16 are wound outside the two dipping pipes 33, a plurality of pipe clamps 17 are arranged outside the dipping pipes 33, the cooling air pipes 16 penetrate through the pipe clamps 17 and encircle the two dipping pipes 33 in a 8-shaped structure, a plurality of ventilation holes 18 are formed in one side, close to the dipping pipes 33, of the cooling air pipes 16, one end of each cooling air pipe 16 is connected with an L-shaped bent pipe 19, the other end of each L-shaped bent pipe 19 is communicated with the compressed air cooling pipe 24, meanwhile, when the compressed air cooling pipe 24 is discharged, compressed air enters from the L-shaped bent pipe 19 and then enters the cooling air pipes 16, the pipe clamps 17 can fix the cooling air pipes 16 outside the dipping pipes 33, compressed air is sprayed out from the ventilation holes 18, and sprayed air flow can cool the dipping pipes 33, so that the service life of the dipping pipes 33 can be prolonged.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The device for preventing the short leg pipe of the vacuum groove from deforming provided by the embodiment of the application is described in detail, and specific examples are applied to the description of the principle and the implementation mode of the application, and the description of the above examples is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (7)

1. A device for preventing deformation of a short leg tube of a vacuum tank, comprising:
the novel trousers comprise a can body (1), wherein a feeding box (11) is arranged at the top of the can body (1), a bottom plate (12) is arranged at the bottom of the can body (1), a vacuum groove can be formed between the bottom plate (12) and the feeding box (11), and two trouser leg short pipes (13) which are symmetrically arranged are arranged at the bottom of the bottom plate (12);
the cooling assembly is arranged outside the two trouser leg short pipes (13) and used for cooling the trouser leg short pipes (13).
2. The apparatus for preventing deformation of a vacuum vessel leg stub tube of claim 1, wherein the cooling assembly comprises:
the annular pipes (2) are respectively arranged outside the two trouser leg short pipes (13), and a mounting rack (21) is arranged between the two annular pipes (2) and the trouser leg short pipes (13);
the connecting pipe (22) is arranged between the two annular pipes (2), and the connecting pipe (22) is communicated with the two annular pipes (2);
the air compressor (23) is arranged on one side of the tank body (1), a compressed air cooling pipe (24) is arranged on one side, close to the tank body (1), of the air compressor (23), and one end of the compressed air cooling pipe (24) is communicated with the annular pipe (2).
3. The device for preventing the deformation of the trouser leg short pipe of the vacuum groove according to claim 1, wherein flanges (3) are arranged at positions, which are close to the bottom plate (12), of the outer parts of the two trouser leg short pipes (13), connecting blocks (31) are arranged between the two flanges (3), butt welding pipes (32) are arranged at the bottoms of the two flanges (3), and dip pipes (33) are connected to the bottoms of the butt welding pipes (32).
4. The device for preventing deformation of the trouser leg short pipe of the vacuum groove according to claim 2, wherein a plurality of air outlet holes (14) are formed in one side, close to the trouser leg short pipe (13), of the outer portion of the ring pipe (2), the plurality of air outlet holes (14) are uniformly distributed on the ring pipe (2), and the air outlet holes (14) are all in a downward inclined structure.
5. A device for preventing deformation of a vacuum tank trouser leg short tube according to claim 3, characterized in that both the outer parts of the flanges (3) are provided with fixed steel plates (15), and the fixed steel plates (15) are detachably connected with the bottom plate (12) through bolts.
6. The device for preventing deformation of short trouser leg tubes of vacuum tank according to claim 5, characterized in that cooling air pipes (16) are wound outside two dipping pipes (33), a plurality of pipe clamps (17) are arranged outside the dipping pipes (33), the cooling air pipes (16) penetrate through the pipe clamps (17) and encircle outside two dipping pipes (33) in a 8-shaped structure, and a plurality of ventilation holes (18) are formed in one side, close to the dipping pipes (33), of the cooling air pipes (16).
7. The device for preventing the deformation of the trouser leg short pipe of the vacuum tank according to claim 6, wherein one end of the cooling air pipe (16) is connected with an L-shaped bent pipe (19), and the other end of the L-shaped bent pipe (19) is communicated with the compressed air cooling pipe (24).
CN202321179523.8U 2023-05-16 2023-05-16 Device for preventing short pipe of trouser leg of vacuum tank from deforming Active CN220454343U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321179523.8U CN220454343U (en) 2023-05-16 2023-05-16 Device for preventing short pipe of trouser leg of vacuum tank from deforming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321179523.8U CN220454343U (en) 2023-05-16 2023-05-16 Device for preventing short pipe of trouser leg of vacuum tank from deforming

Publications (1)

Publication Number Publication Date
CN220454343U true CN220454343U (en) 2024-02-06

Family

ID=89728944

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321179523.8U Active CN220454343U (en) 2023-05-16 2023-05-16 Device for preventing short pipe of trouser leg of vacuum tank from deforming

Country Status (1)

Country Link
CN (1) CN220454343U (en)

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