CN112481443A - Laterally-installed converter flow control device - Google Patents
Laterally-installed converter flow control device Download PDFInfo
- Publication number
- CN112481443A CN112481443A CN202011396468.9A CN202011396468A CN112481443A CN 112481443 A CN112481443 A CN 112481443A CN 202011396468 A CN202011396468 A CN 202011396468A CN 112481443 A CN112481443 A CN 112481443A
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- CN
- China
- Prior art keywords
- converter
- flow control
- control device
- locking
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000005540 biological transmission Effects 0.000 claims abstract description 95
- 238000005096 rolling process Methods 0.000 claims description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
Abstract
The invention relates to the technical field of converter flow control devices, and discloses a laterally-mounted converter flow control device, which comprises a converter and a converter flow control device body, wherein the converter flow control device body is arranged on the side wall of the converter, and the converter is connected with the converter flow control device body through a locking device; the position locking device comprises a supporting pipe, the supporting pipe is fixedly sleeved on the side wall of the converter flow control device body, the supporting pipe is arranged on the side wall of the converter, a position locking pipe is fixedly connected to the side wall of the converter, the supporting pipe is arranged in the position locking pipe, the supporting pipe and the position locking pipe are matched, transmission grooves are symmetrically formed in the outer pipe wall of the position locking pipe, a spring is fixedly connected to the wall of one end, close to the converter, of the transmission groove, and a transmission ring is fixedly connected to the other end of the spring. When the converter flow control device body needs to be disassembled and assembled, a plurality of screws do not need to be operated by one by using tools, the converter flow control device body is conveniently disassembled and assembled, and the disassembling and assembling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of converter flow control devices, in particular to a converter flow control device installed laterally.
Background
With the rapid development of the steel industry, the requirements of users on the quality of steel materials are increasingly improved. Therefore, the production of high-quality high-tech high-value steel products becomes the inevitable choice for steel enterprises. The quality of molten steel directly influences the performance of steel, and reducing the slag discharge in the converter tapping process is an important link for improving the quality of the molten steel, so that the flow speed needs to be controlled by using a converter flow control device which is laterally arranged on the furnace wall of a converter, but at present, the converter flow control device is generally fixedly connected through screws, tools are required to be used for operating a plurality of screws one by one when the converter flow control device is disassembled and assembled, the disassembling and assembling process of the converter flow control device is very complicated, and the disassembling and assembling efficiency of the converter flow control device is reduced.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a converter flow control device is generally fixedly connected through screws, when the converter flow control device is disassembled and assembled, a plurality of screws need to be operated one by using a tool, the disassembling and assembling process of the converter flow control device is very complicated, and the disassembling and assembling efficiency of the converter flow control device is reduced, and provides a laterally-installed converter flow control device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laterally-installed converter flow control device comprises a converter and a converter flow control device body, wherein the converter flow control device body is arranged on the side wall of the converter, and the converter is connected with the converter flow control device body through a locking device;
the locking device comprises a supporting pipe, the supporting pipe is fixedly sleeved on the side wall of the converter flow control device body and is arranged on the side wall of the converter, a locking pipe is fixedly connected on the side wall of the converter, the supporting pipe is arranged in the locking pipe and is matched with the locking pipe, transmission grooves are symmetrically formed in the outer wall of the locking pipe, a spring is fixedly connected to the groove wall of one end, close to the converter, of the transmission groove, a transmission ring is fixedly connected to the other end of the spring, the transmission ring is connected to the transmission groove in a sliding mode, a locking hole is formed in the groove bottom of the transmission groove, a linkage rod is hinged to the outer ring wall, close to the locking hole, of the transmission ring, the other end of the linkage rod extends into the locking hole and is hinged to a locking pin, the locking pin is connected to the locking hole in a sliding mode, and a locking groove is formed in the outer wall of the supporting pipe, corresponding to, one end of the locking pin, which is far away from the linkage rod, extends into the locking groove, and the locking pin is matched with the locking groove.
Preferably, the locking pin is symmetrically and fixedly connected with sliding blocks on the side wall of the position far away from one end of the converter flow control device body, matched sliding grooves are formed in the groove wall of the locking hole corresponding to the sliding blocks, one end, far away from the locking pin, of each sliding block penetrates through the groove opening of the corresponding sliding groove and extends into the corresponding sliding groove, and the sliding blocks are connected in the corresponding sliding grooves in a sliding mode.
Preferably, one end of the transmission ring, which is far away from the linkage rod, is fixedly connected with a transmission block, and one end of the transmission block, which is far away from the support tube, penetrates through a notch of the transmission groove and extends outwards.
Preferably, the outer wall of the locking tube is sleeved with a driving tube, the two ends of the transmission blocks, which are far away from the bottom of the transmission groove, are fixedly connected to the inner wall of the driving tube together, the driving tube is sleeved on the outer wall of the locking tube, and the driving tube is slidably connected with the locking tube.
Preferably, a transmission rod is fixedly connected in the transmission groove, the transmission rod sequentially penetrates through the spring and the transmission ring, and the transmission ring is connected to the rod wall of the transmission rod in a sliding mode.
Preferably, use the transfer line to be the even equidistance of annular and seted up four rolling grooves as the center on the interior rampart of transmission ring, be equipped with rolling ball in the rolling groove, the ball passes the notch setting in rolling groove, and ball roll connection is on the pole wall of transfer line.
Preferably, a sliding rod is fixedly connected in the sliding groove, a matched sliding hole is formed in the position, corresponding to the sliding rod, of the sliding block, the sliding rod penetrates through the sliding hole, and the sliding block is connected to the rod wall of the sliding rod in a sliding mode.
Preferably, the ball has a ball diameter larger than a groove diameter of the rolling groove opening.
Preferably, a hydraulic cylinder is fixedly connected to the outer pipe wall of the position, close to one end of the converter, of the position locking pipe, and one end, close to the converter, of the driving pipe is fixedly connected to a piston end of the hydraulic cylinder.
Preferably, the material of the ball is stainless steel.
Compared with the prior art, the invention provides a converter flow control device installed laterally, which has the following beneficial effects:
according to the laterally-installed converter flow control device, through the arrangement of the locking device, when the converter flow control device body needs to be detached from a converter, pulling force towards the converter is applied to the two transmission rings, the transmission rings move in the transmission grooves after being stressed and compress the springs, meanwhile, the locking pins are driven to move towards the locking holes through the transmission of the linkage rods, the locking pins are pulled out of the locking grooves, and at the moment, pulling force far away from the converter is applied to the converter flow control device body, so that the supporting pipes on the converter flow control device body can be pulled out of the locking pipes; when the converter flow control device body needs to be installed, the locking pin is firstly taken into the locking hole, the supporting tube on the converter flow control device body is inserted into the locking tube, the converter flow control device body corresponds to the converter, the locking groove moves to the position corresponding to the locking pin, the pulling force applied to the transmission ring is cancelled, the compressed spring pushes the transmission ring to reset, the locking pin is inserted into the corresponding locking groove through the linkage rod, the supporting tube on the converter flow control device body is fixed in the locking tube, and therefore installation of the converter flow control device body is completed.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, when the converter flow control device body needs to be disassembled and assembled, a plurality of screws do not need to be operated one by using tools, the converter flow control device body is conveniently disassembled and assembled, and the disassembling and assembling efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a laterally installed converter flow control device according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
fig. 4 is an enlarged view of a portion C in fig. 2.
In the figure: the converter flow control device comprises a converter 1 and a converter 2, a flow control device body 3, a supporting pipe 3, a position locking pipe 4, a transmission groove 5, a spring 6, a transmission ring 7, a position locking hole 8, a linkage rod 9, a position locking pin 10, a hydraulic cylinder 11, a position locking groove 12, a sliding block 13, a sliding groove 14, a transmission block 15, a driving pipe 16, a transmission rod 17, a rolling groove 18, a rolling ball 19, a sliding rod 20 and a sliding hole 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a laterally installed converter flow control device comprises a converter 1 and a converter flow control device body 2, wherein the converter flow control device body 2 is arranged on the side wall of the converter 1, and the converter 1 is connected with the converter flow control device body 2 through a locking device;
the locking device comprises a supporting pipe 3, the supporting pipe 3 is fixedly sleeved on the side wall of a converter flow control device body 2, the supporting pipe 3 is arranged on the side wall of a converter 1, a locking pipe 4 is fixedly connected on the side wall of the converter 1, the supporting pipe 3 is arranged in the locking pipe 4, the supporting pipe 3 is matched with the locking pipe 4, a transmission groove 5 is symmetrically arranged on the outer wall of the locking pipe 4, a spring 6 is fixedly connected on the groove wall of one end of the transmission groove 5 close to the converter 1, the other end of the spring 6 is fixedly connected with a transmission ring 7, the transmission ring 7 is connected in the transmission groove 5 in a sliding manner, a locking hole 8 is arranged at the bottom of the transmission groove 5, a linkage rod 9 is hinged on the outer ring wall of the transmission ring 7 close to the locking hole 8, the other end of the linkage rod 9 extends into the locking hole 8 and is hinged with a locking pin 10, the locking pin 10 is connected in the locking hole 8 in a sliding manner, a locking groove 12 is arranged on the, one end of the locking pin 10, which is far away from the linkage rod 9, extends into the locking groove 12, the locking pin 10 is matched with the locking groove 12, when the converter flow control device body 2 needs to be detached from the converter 1, pulling force towards the direction of the converter 1 is applied to the two transmission rings 7, the transmission rings 7 move in the transmission groove 5 after being stressed and compress the spring 6, meanwhile, the locking pin 10 is driven to move towards the locking hole 8 through the transmission of the linkage rod 9, the locking pin 10 is pulled out of the locking groove 12, and then pulling force far away from the direction of the converter 1 is applied to the converter flow control device body 2, so that the support pipe 3 on the converter flow control device body 2 can be pulled out of the locking pipe 4; when the converter flow control device body 2 needs to be installed, the locking pin 10 is firstly taken into the locking hole 8, the supporting tube 3 on the converter flow control device body 2 is inserted into the locking tube 4, the locking groove 12 is moved to the position corresponding to the locking pin 10 when the converter flow control device body 2 corresponds to the converter 1, the application of pulling force to the transmission ring 7 is cancelled, the compressed spring 6 pushes the transmission ring 7 to reset, the locking pin 10 is inserted into the corresponding locking groove 12 through the linkage rod 9, the supporting tube 3 on the converter flow control device body 2 is fixed in the locking tube 4, and therefore the installation of the converter flow control device body 2 is completed.
The slide blocks 13 are symmetrically and fixedly connected to the side wall, away from one end of the converter flow control device body 2, of the locking pin 10, the groove wall, corresponding to the position of the slide block 13, of the hole wall of the locking hole 8 is provided with matched slide grooves 14, one end, away from the locking pin 10, of the slide block 13 penetrates through the groove openings of the corresponding slide grooves 14 and extends into the slide grooves 14, the slide block 13 is connected into the corresponding slide grooves 14 in a sliding mode, the slide block 13 is driven to move synchronously in the slide grooves 14 when the locking pin 10 moves, and the locking pin 10 is prevented from being separated from the locking hole 8.
One end of the transmission ring 7 far away from the linkage rod 9 is fixedly connected with a transmission block 15, one end of the transmission block 15 far away from the supporting tube 3 penetrates through a notch of the transmission groove 5 and extends outwards, and the transmission block 15 is convenient for exerting pulling force on the transmission ring 7 to drive the transmission ring 7 to move synchronously.
The outer pipe wall of the locking tube 4 is sleeved with a driving tube 16, one ends of the two driving blocks 15 far away from the bottom of the transmission groove 5 are jointly and fixedly connected to the inner pipe wall of the driving tube 16, the driving tube 16 is sleeved on the outer pipe wall of the locking tube 4, the driving tube 16 is in sliding connection with the locking tube 4, the driving tube 16 is held and applied with force, and the driving tube 16 can drive the driving ring 7 to synchronously move through the two driving blocks 15 when moving.
The transmission rod 17 is fixedly connected in the transmission groove 5, the transmission rod 17 sequentially penetrates through the spring 6 and the transmission ring 7, the transmission ring 7 is connected to the rod wall of the transmission rod 17 in a sliding mode, and when the transmission ring 7 moves in the transmission groove 5 under stress, the transmission rod 17 synchronously moves, so that the transmission ring 7 moves more stably.
The inner ring wall of the transmission ring 7 is provided with four rolling grooves 18 which are uniformly arranged in an annular shape with the transmission rod 17 as the center at equal intervals, rolling balls 19 are arranged in the rolling grooves 18, the balls 19 penetrate through notches of the rolling grooves 18, the balls 19 are connected to the rod wall of the transmission rod 17 in a rolling mode, the transmission rod 17 is clamped through the balls 19 which are distributed in the annular shape, when the transmission ring 7 moves on the transmission rod 17, the balls 19 are driven to roll, and the friction resistance of the transmission ring 7 when the transmission ring 7 moves on the transmission rod 17 is reduced.
A sliding rod 20 is fixedly connected in the sliding groove 14, a matched sliding hole 21 is formed in the position, corresponding to the sliding rod 20, of the sliding block 13, the sliding rod 20 penetrates through the sliding hole 21, the sliding block 13 is connected to the rod wall of the sliding rod 20 in a sliding mode, and when the sliding block 13 moves in the sliding groove 14 under stress, the sliding block 13 moves on the sliding rod 20 synchronously, so that the sliding block 13 is more stable when moving on the sliding rod 20.
The ball 19 has a larger spherical diameter than the groove diameter of the notch of the rolling groove 18, preventing the ball 19 from slipping out of the rolling groove 18.
The outer pipe wall of the position, close to one end of the converter 1, of the position locking pipe 4 is fixedly connected with a hydraulic cylinder 11, one end, close to the converter 1, of the driving pipe 16 is fixedly connected to the piston end of the hydraulic cylinder 11, and the hydraulic cylinder 11 is started to drive the position locking pipe 4 to move towards the converter 1.
The material of the balls 19 is stainless steel.
In the invention, when the converter flow control device body 2 needs to be detached from the converter 1, tension towards the converter 1 is applied to the two transmission rings 7, the transmission rings 7 move in the transmission grooves 5 after being stressed and compress the springs 6, meanwhile, the locking pins 10 are driven to move towards the locking holes 8 through the transmission of the linkage rod 9, the locking pins 10 are pulled out of the locking grooves 12, and at the moment, tension far away from the converter 1 is applied to the converter flow control device body 2, so that the support pipes 3 on the converter flow control device body 2 can be pulled out of the locking pipes 4; when the converter flow control device body 2 needs to be installed, the locking pin 10 is firstly taken into the locking hole 8, the supporting tube 3 on the converter flow control device body 2 is inserted into the locking tube 4, the locking groove 12 is moved to the position corresponding to the locking pin 10 when the converter flow control device body 2 corresponds to the converter 1, the application of pulling force to the transmission ring 7 is cancelled, the compressed spring 6 pushes the transmission ring 7 to reset, the locking pin 10 is inserted into the corresponding locking groove 12 through the linkage rod 9, the supporting tube 3 on the converter flow control device body 2 is fixed in the locking tube 4, and therefore the installation of the converter flow control device body 2 is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A laterally installed converter flow control device comprises a converter (1) and a converter flow control device body (2), and is characterized in that the converter flow control device body (2) is arranged on the side wall of the converter (1), and the converter (1) is connected with the converter flow control device body (2) through a locking device;
the position locking device comprises a supporting pipe (3), the supporting pipe (3) is fixedly sleeved on the side wall of a converter flow control device body (2), the supporting pipe (3) is arranged on the side wall of the converter (1), a position locking pipe (4) is fixedly connected to the side wall of the converter (1), the supporting pipe (3) is arranged in the position locking pipe (4), the supporting pipe (3) is matched with the position locking pipe (4), transmission grooves (5) are symmetrically formed in the outer pipe wall of the position locking pipe (4), a spring (6) is fixedly connected to the groove wall of one end, close to the converter (1), of each transmission groove (5), a transmission ring (7) is fixedly connected to the other end of each spring (6), the transmission ring (7) is slidably connected into the transmission groove (5), a position locking hole (8) is formed in the bottom of each transmission groove (5), and a linkage rod (9) is hinged to the outer ring wall, close to the position locking hole (8), of each transmission ring (7), the other end of gangbar (9) extends to in the locking hole (8) and articulates there is locking round pin (10), locking round pin (10) sliding connection is in locking hole (8), supporting tube (3) have seted up locking groove (12) on the outer pipe wall that corresponds locking round pin (10), the one end that gangbar (9) were kept away from in locking round pin (10) extends to locking groove (12), and locking round pin (10) and locking groove (12) phase-match.
2. The converter flow control device installed laterally according to claim 1, wherein the side wall of the lock pin (10) far from the end position of the converter flow control device body (2) is symmetrically and fixedly connected with a slide block (13), the wall of the lock hole (8) corresponding to the slide block (13) is provided with a matched slide groove (14), one end of the slide block (13) far from the lock pin (10) passes through the notch of the corresponding slide groove (14) and extends into the slide groove (14), and the slide block (13) is slidably connected in the corresponding slide groove (14).
3. A laterally mounted converter flow control device according to claim 1, wherein a driving block (15) is fixedly connected to the end of the driving ring (7) away from the linkage rod (9), and the end of the driving block (15) away from the support tube (3) passes through the opening of the driving groove (5) and extends outwards.
4. A laterally installed converter flow control device according to claim 3, wherein the outer wall of the capture tube (4) is sleeved with a driving tube (16), the ends of the two driving blocks (15) far away from the bottom of the driving slot (5) are fixedly connected to the inner wall of the driving tube (16), the driving tube (16) is sleeved on the outer wall of the capture tube (4), and the driving tube (16) and the capture tube (4) are slidably connected.
5. A laterally mounted converter flow control device according to claim 1, characterized in that a transmission rod (17) is fixedly connected in the transmission groove (5), the transmission rod (17) is arranged to pass through the spring (6) and the transmission ring (7) in sequence, and the transmission ring (7) is slidably connected to the rod wall of the transmission rod (17).
6. The converter flow control device installed laterally according to claim 1, wherein four rolling grooves (18) are formed in the inner annular wall of the transmission ring (7) in an annular shape with the transmission rod (17) as the center, the four rolling grooves are uniformly and equidistantly arranged, rolling balls (19) are arranged in the rolling grooves (18), the rolling balls (19) penetrate through the notches of the rolling grooves (18), and the rolling balls (19) are connected to the rod wall of the transmission rod (17) in a rolling manner.
7. The converter flow control device installed laterally according to claim 2, wherein a sliding rod (20) is fixedly connected in the sliding groove (14), a matching sliding hole (21) is formed in the sliding block (13) at a position corresponding to the sliding rod (20), the sliding rod (20) passes through the sliding hole (21), and the sliding block (13) is slidably connected to the rod wall of the sliding rod (20).
8. A laterally mounted converter flow control device according to claim 6, wherein the balls (19) have a ball diameter larger than the groove diameter of the mouth of the rolling groove (18).
9. A laterally mounted converter flow control device according to claim 4, characterized in that the hydraulic cylinder (11) is fixedly connected to the outer pipe wall of the position of the capture pipe (4) near one end of the converter (1), and the end of the drive pipe (16) near the converter (1) is fixedly connected to the piston end of the hydraulic cylinder (11).
10. A laterally mounted converter flow control device according to claim 6, wherein said balls (19) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011396468.9A CN112481443A (en) | 2020-12-03 | 2020-12-03 | Laterally-installed converter flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011396468.9A CN112481443A (en) | 2020-12-03 | 2020-12-03 | Laterally-installed converter flow control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112481443A true CN112481443A (en) | 2021-03-12 |
Family
ID=74939123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011396468.9A Pending CN112481443A (en) | 2020-12-03 | 2020-12-03 | Laterally-installed converter flow control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112481443A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0411271A1 (en) * | 1989-06-22 | 1991-02-06 | Karl Fliether GmbH & Co. KG | Lock for driving rod with an accessory lock which is controlled by a central lock |
| WO2018036136A1 (en) * | 2016-08-24 | 2018-03-01 | 河南熔金高温材料股份有限公司 | Converter slag stopping slide gate device |
| CN109027366A (en) * | 2018-08-31 | 2018-12-18 | 天津市嘉祥泰瑞阀门有限公司 | A kind of valve being easily installed with disassembly |
| CN208840503U (en) * | 2018-09-25 | 2019-05-10 | 马鞍山瑞恒精密制造有限公司 | A kind of collector nozzle iron-clad of fast assembling-disassembling |
| CN110923392A (en) * | 2019-12-24 | 2020-03-27 | 马鞍山瑞恒精密制造有限公司 | Horizontal sliding plate slag blocking and flow control device for converter |
| CN211860569U (en) * | 2020-05-29 | 2020-11-03 | 宝鸡恒业有色金属科技有限公司 | Tantalum-tungsten alloy wire heating device |
| CN111912372A (en) * | 2020-06-29 | 2020-11-10 | 安徽佰尧电子科技有限公司 | Wiper bayonet joint detection device convenient to use |
-
2020
- 2020-12-03 CN CN202011396468.9A patent/CN112481443A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0411271A1 (en) * | 1989-06-22 | 1991-02-06 | Karl Fliether GmbH & Co. KG | Lock for driving rod with an accessory lock which is controlled by a central lock |
| WO2018036136A1 (en) * | 2016-08-24 | 2018-03-01 | 河南熔金高温材料股份有限公司 | Converter slag stopping slide gate device |
| CN109027366A (en) * | 2018-08-31 | 2018-12-18 | 天津市嘉祥泰瑞阀门有限公司 | A kind of valve being easily installed with disassembly |
| CN208840503U (en) * | 2018-09-25 | 2019-05-10 | 马鞍山瑞恒精密制造有限公司 | A kind of collector nozzle iron-clad of fast assembling-disassembling |
| CN110923392A (en) * | 2019-12-24 | 2020-03-27 | 马鞍山瑞恒精密制造有限公司 | Horizontal sliding plate slag blocking and flow control device for converter |
| CN211860569U (en) * | 2020-05-29 | 2020-11-03 | 宝鸡恒业有色金属科技有限公司 | Tantalum-tungsten alloy wire heating device |
| CN111912372A (en) * | 2020-06-29 | 2020-11-10 | 安徽佰尧电子科技有限公司 | Wiper bayonet joint detection device convenient to use |
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Application publication date: 20210312 |