CN216575502U - Argon switching-on device for argon blowing buggy ladle - Google Patents

Argon switching-on device for argon blowing buggy ladle Download PDF

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Publication number
CN216575502U
CN216575502U CN202121209028.8U CN202121209028U CN216575502U CN 216575502 U CN216575502 U CN 216575502U CN 202121209028 U CN202121209028 U CN 202121209028U CN 216575502 U CN216575502 U CN 216575502U
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Prior art keywords
inlet pipe
air inlet
argon
order air
ladle
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CN202121209028.8U
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Chinese (zh)
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王松伟
陈建波
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Hebei Xinda Iron and Steel Group Co Ltd
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Hebei Xinda Iron and Steel Group Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
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Abstract

The utility model discloses an argon switching-on device for an argon blowing buggy ladle, which comprises an argon supply pipe, a first-order air inlet pipe, a second-order air inlet pipe and an auxiliary butt joint device, wherein the argon supply pipe is connected with the first-order air inlet pipe; the first-order air inlet pipe is of a hard pipe structure, the input end of the first-order air inlet pipe is communicated with the argon supply pipe, the middle section of the first-order air inlet pipe is embedded in an air brick of a ladle car base, and the output end of the first-order air inlet pipe is fixed on the ladle fixing frame; the second-order air inlet pipe is also of a hard pipe structure, the input end of the second-order air inlet pipe is fixed on a limiting clamping ring of the steel ladle, and the output end of the second-order air inlet pipe is communicated with the bottom of the steel ladle; when the ladle falls into the ladle car, the output end of the first-order air inlet pipe and the input end of the second-order air inlet pipe are correspondingly arranged; the auxiliary butt joint device comprises a sealing rubber ring; an annular groove is also formed in the inner side wall of the input end pipe of the second-order air inlet pipe; the sealing rubber ring is arranged in the annular groove, and a plurality of elastic pieces are arranged between the sealing rubber ring and the annular groove. The utility model has the characteristics of good sealing performance, stable connection and the like.

Description

Argon switching-on device for argon blowing buggy ladle
Technical Field
The utility model relates to a pipeline butt joint device, in particular to an argon switching-on device of an argon blowing buggy ladle.
Background
The ladle argon blowing process is widely applied to various production links from converter tapping to continuous casting and the like, and is an important process means in molten steel smelting. Argon is introduced into the molten steel through the bottom of the steel ladle and gradually enters the molten steel in a bubble form, the molten steel flows in the steel ladle in the upward floating process, the melting of alloy and solvent in the steel ladle is promoted, the components and the temperature of the molten steel are more stable and uniform, the upward floating of slag inclusion and harmful gas is accelerated, and the smelting outside the molten steel furnace is realized.
At present, the argon supply is manually communicated with an air inlet pipe at the bottom of a buggy ladle through an argon supply pipe, and the joint is manually disconnected after bottom blowing is finished, so that the connection mode has various problems. Firstly, because the molten steel temperature in the ladle is higher, there is the potential safety hazard in artifical too close ladle, and secondly, manual operation connects inefficiency, connects unstably, drops easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an argon switching-on device of an argon blowing buggy ladle with stable connection and good sealing performance.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
an argon switching-on device of an argon blowing buggy ladle comprises an argon supply pipe, a first-order air inlet pipe, a second-order air inlet pipe and an auxiliary butt joint device; the first-order air inlet pipe is of a hard pipe structure, the input end of the first-order air inlet pipe is communicated with the argon supply pipe, the middle section of the first-order air inlet pipe is embedded in an air brick of a ladle car base, and the output end of the first-order air inlet pipe is fixed on the ladle fixing frame; the second-order air inlet pipe is also of a hard pipe structure, the input end of the second-order air inlet pipe is fixed on a limiting clamping ring of the steel ladle, and the output end of the second-order air inlet pipe is communicated with the bottom of the steel ladle; when the ladle falls into the ladle car, the output end of the first-order air inlet pipe and the input end of the second-order air inlet pipe are correspondingly arranged; the auxiliary butt joint device comprises a sealing rubber ring; an annular groove is also formed in the inner side wall of the input end pipe of the second-order air inlet pipe; the sealing rubber ring is arranged in the annular groove, and a plurality of elastic pieces are arranged between the sealing rubber ring and the annular groove.
The argon switching-on device of the argon blowing buggy ladle is characterized in that the elastic piece is folded into a zigzag structure by the elastic steel plate, and the zigzag bulges are arranged towards the sealing rubber ring.
The argon switching-on device of the argon blowing buggy ladle is characterized in that the elastic pieces are uniformly distributed between the sealing rubber ring and the annular groove.
According to the argon switching-on device for the argon blowing buggy ladle, the sealing rubber ring in the annular groove is positioned at the outer side end of the annular groove, and the inner side end of the annular groove is also provided with a plurality of elastic metal balls which are elastically extruded between the annular groove and the output end of the first-order air inlet pipe.
According to the argon switching-on device for the argon blowing buggy ladle, the elastic metal balls are uniformly distributed between the annular groove and the output end of the first-order air inlet pipe.
According to the argon switching-on device for the argon blowing buggy ladle, the outer side surface of the output end of the first-order air inlet pipe is provided with the plurality of notches.
Foretell argon ladle car argon gas switch-on device blows, the breach equipartition is on the lateral surface of first-order intake pipe output.
Foretell argon ladle car argon gas switch-on device blows still includes the winder, argon gas air supply pipe one end and gas station intercommunication, the other end twine the winder earlier afterwards with the input intercommunication of first-order intake pipe.
The utility model adopts a mode that a first-order air inlet pipe is inserted into a second-order air inlet pipe to communicate air pipes; the second-order air inlet pipe is fixed on a limiting clamping groove of the steel ladle; the first-order air inlet pipe is fixed on the buggy ladle fixing frame, and the output end of the first-order air inlet pipe is aligned with the input end of the second-order air inlet pipe; therefore, when the steel ladle falls into the ladle car, the output end of the first-order air inlet pipe can be aligned with the input end of the second-order air inlet pipe to achieve automatic connection of the argon pipeline. In addition, due to the dead weight of the ladle, the first-order air inlet pipe is inserted into the second-order air inlet pipe, and the pipelines are stably connected. In addition, the elastic piece is additionally arranged in the annular groove between the second-order air inlet pipes, so that when the first-order air inlet pipes are inserted, the sealing rubber ring is extruded, and the connection is more stable while the sealing performance is enhanced. The utility model has the characteristics of good sealing performance, stable connection and the like.
And what the elastic component adopted is the cockscomb structure elastic construction that the elastic steel sheet was rolled over, the cockscomb structure can be after first-order intake pipe inserts, and the even atress extrudees the sealing rubber ring for the even atress application of force of sealing rubber ring, and sealed effect is better.
The utility model is also provided with the elastic metal ball which can be extruded and deformed when the first-order air inlet pipe is inserted, so that the connection between the first-order air inlet pipe and the second-order air inlet pipe is more stable.
The argon gas supply pipe is wound by the winder, and the winder can pay off and take up the argon gas supply pipe along with the advancing of the buggy ladle.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an auxiliary docking device;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
The reference numerals in the figures denote: 1. a reel; 2. a cable hose; 3. an argon gas supply pipe; 4. a first-order air inlet pipe; 5. a steel ladle fixing frame; 6. a limiting retainer ring; 7. a ladle; 8. a second-order air inlet pipe; 9. carrying out buggy ladle; 10. a rail; 11-1, elastic metal sheets; 11-2, sealing rubber rings; 11-3, elastic metal balls; 11-4 and a notch.
Detailed Description
Referring to fig. 1-3, an embodiment of the present invention is shown. The buggy ladle 9 is run forwards on rails 10. The device comprises an argon gas supply pipe 3, a first-order gas inlet pipe 4, a second-order gas inlet pipe 8, a winder 1 and an auxiliary butt joint device; argon gas supply pipe 3 one end and gas station intercommunication, the other end twines winder 1 earlier afterwards and the input intercommunication of first-order intake pipe 4. The cable hose 2 of the buggy ladle 9 is also wound on the reel 1 and then led to the buggy ladle 9. With it. The buggy ladle 9 travels on the rail 10 and the reel 1 is paid out and taken in with it. The first-order gas inlet pipe 4 is of a hard pipe structure, the input end of the first-order gas inlet pipe is communicated with the argon gas supply pipe 3, and the middle section of the first-order gas inlet pipe is buried in a gas permeable brick at the base of the buggy ladle 9; the output end is fixed on the steel ladle fixing frame 5; the input end of the second-order air inlet pipe 8 is connected to the limiting retainer ring 6 of the steel ladle 7, and the output end is communicated to the bottom of the steel ladle 7; when the ladle falls into the ladle car, the output end of the first-order air inlet pipe 4 and the input end of the second-order air inlet pipe 8 are correspondingly arranged; thus, when the ladle 7 falls on the ladle car 9, the output end of the aligned first-order air inlet pipe 4 and the input end of the aligned second-order air inlet pipe 8 are automatically connected. The auxiliary butt joint device comprises an elastic metal sheet 11-1 and a sealing rubber ring 11-2; an annular groove is formed in the inner side wall of the input end pipe of the second-order air inlet pipe 8; a plurality of elastic metal sheets 11-1 which are uniformly arranged are arranged at the bottom of the circular ring surface groove of the annular groove; the elastic metal sheet 11-1 is an elastic metal structure formed by folding an elastic steel plate into a sawtooth shape, and the sawtooth-shaped bulges are arranged towards the groove top of the annular groove. The sealing rubber ring 11-2 is arranged in the annular groove, the outer annular surface is in contact with the elastic metal sheet 11-1, and the inner annular surface is in contact with the first-order air inlet pipe 4, so that the first-order air inlet pipe 4 extrudes the sealing rubber ring 11-2 after the first-order air inlet pipe 4 is inserted into the second-order air inlet pipe 8; the sealing rubber ring 11-2 extrudes the elastic metal sheet 11-1, and the saw-toothed shape of the elastic metal sheet 11-1 is completely flattened, so that the sealing rubber ring 11-2 is in closer contact with the first-order gas inlet pipe 4, and the argon is prevented from leaking from the first-order gas inlet pipe. The sealing rubber ring 11-2 in the annular groove is positioned at the outer side end of the annular groove, and a plurality of elastic metal balls 11-3 which are uniformly arranged are also arranged at the inner side of the sealing rubber ring 11-2 in the annular groove; the elastic metal ball 11-3 is of a hollow spherical metal structure, and the spherical surface is arranged towards the top of the annular groove, so that when the first-order air inlet pipe 4 is inserted, the spherical surface is extruded and deformed, the first-order air inlet pipe 4 is not easy to shake after being inserted into the second-order air inlet pipe 8, and the connection is more stable. A plurality of uniformly arranged notches 11-4 are formed in the outer side surface of the output end of the first-order air inlet pipe; the notch 11-4 and the sealing rubber ring 11-2 are correspondingly arranged, when the output end of the first-order air inlet pipe 4 is inserted into the input end of the second-order air inlet pipe 8, the sealing rubber ring 11-2 can be extruded and deformed to enter the notch, so that the sealing structure is more effective, and due to the existence of the notch, when the output end of the first-order air inlet pipe 4 is extracted, pressure is increased, so that the connection between the output end of the first-order air inlet pipe 4 and the input end of the second-order air inlet pipe 8 is more stable.
The working process of the utility model is as follows: the ladle 7 is hoisted above the ladle car 9 by a crown block; the air outlet end of the first-order air inlet pipe 4 is aligned with the air inlet end of the second-order air inlet pipe 8, the air outlet end of the first-order air inlet pipe 4 is inserted into the air inlet end of the second-order air inlet pipe 8 along with the gradual stable arrangement of the steel ladle 7, after the first-order air inlet pipe 4 enters the second-order air inlet pipe 8, the pipe wall extrudes the sealing rubber ring 11-2, the inner annular surface of the sealing rubber ring 11-2 deforms, part of the structure of the sealing rubber ring 11-2 is extruded into the gap 11-4, the outer annular surface of the sealing rubber ring 11-2 extrudes the elastic metal sheet 11-1, the elastic metal sheet 11-1 is extruded and deformed, and the sealing rubber ring 11-2 is tightly matched with the first-order air inlet pipe 4 and the second-order air inlet pipe 8, so that air cannot leak; as the first-order air inlet pipe 4 is inserted into the second-order air inlet pipe 8 more, the first-order air inlet pipe 4 contacts the elastic metal ball 11-3, so that the elastic metal ball 11-3 is extruded and deformed until the air outlet end of the first-order air inlet pipe 4 is completely inserted into the second-order air inlet pipe 8; the elastic metal ball 11-3 limits the first-order air inlet pipe 4, prevents the first-order air inlet pipe from shaking and falling off, and enhances the stability.

Claims (8)

1. The utility model provides a blow argon buggy ladle argon switch-on device which characterized in that: comprises an argon supply pipe (3), a first-order gas inlet pipe (4), a second-order gas inlet pipe (8) and an auxiliary butt joint device; the first-order air inlet pipe (4) is of a hard pipe structure, the input end of the first-order air inlet pipe is communicated with the argon supply pipe (3), the middle section of the first-order air inlet pipe is embedded in an air brick of a base of the ladle car (9), and the output end of the first-order air inlet pipe is fixed on the ladle fixing frame (5); the second-order air inlet pipe (8) is also of a hard pipe structure, the input end of the second-order air inlet pipe is fixed on a limiting clamp ring (6) of the steel ladle (7), and the output end of the second-order air inlet pipe is communicated with the bottom of the steel ladle (7); when the ladle falls into the ladle car, the output end of the first-order air inlet pipe (4) and the input end of the second-order air inlet pipe (8) are correspondingly arranged; the auxiliary butt joint device comprises a sealing rubber ring (11-2); an annular groove is further formed in the inner side wall of the input end pipe of the second-order air inlet pipe (8); the sealing rubber ring (11-2) is arranged in the annular groove, and a plurality of elastic pieces are arranged between the sealing rubber ring (11-2) and the annular groove.
2. The argon switching-on device for the argon-blowing buggy ladle according to claim 1, characterized in that: the elastic piece is folded into a sawtooth structure by an elastic steel plate, and sawtooth bulges are arranged towards the sealing rubber ring (11-2).
3. The argon switching-on device for the argon blowing buggy ladle according to claim 1, characterized in that: the elastic pieces are uniformly distributed between the sealing rubber ring (11-2) and the annular groove.
4. The argon switching-on device for the argon-blowing buggy ladle according to claim 1, characterized in that: the sealing rubber ring (11-2) in the annular groove is positioned at the outer side end of the annular groove, and a plurality of elastic metal balls (11-3) which are elastically extruded between the annular groove and the output end of the first-order air inlet pipe (4) are arranged at the inner side end of the annular groove.
5. The argon switching-on device for the argon blowing buggy ladle according to claim 4, characterized in that: the elastic metal balls (11-3) are uniformly distributed between the annular groove and the output end of the first-order air inlet pipe (4).
6. The argon switching-on device for the argon-blowing buggy ladle according to claim 1, characterized in that: a plurality of notches (11-4) are distributed on the outer side surface of the output end of the first-order air inlet pipe (4).
7. The argon switching-on device for the argon-blowing buggy ladle according to claim 6, characterized in that: the notches (11-4) are uniformly distributed on the outer side surface of the output end of the first-order air inlet pipe (4).
8. The argon switching-on device for the argon-blowing buggy ladle according to any one of claims 1 to 7, characterized in that: still include winder (1), argon gas supply pipe (3) one end and gas station intercommunication, the other end twines winder (1) earlier and then communicates with the input of first-order intake pipe (4).
CN202121209028.8U 2021-06-01 2021-06-01 Argon switching-on device for argon blowing buggy ladle Active CN216575502U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121209028.8U CN216575502U (en) 2021-06-01 2021-06-01 Argon switching-on device for argon blowing buggy ladle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121209028.8U CN216575502U (en) 2021-06-01 2021-06-01 Argon switching-on device for argon blowing buggy ladle

Publications (1)

Publication Number Publication Date
CN216575502U true CN216575502U (en) 2022-05-24

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ID=81609079

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121209028.8U Active CN216575502U (en) 2021-06-01 2021-06-01 Argon switching-on device for argon blowing buggy ladle

Country Status (1)

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CN (1) CN216575502U (en)

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