CN112553399B - Water cooling device of converter slag blocking mechanism - Google Patents
Water cooling device of converter slag blocking mechanism Download PDFInfo
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- CN112553399B CN112553399B CN202011393856.1A CN202011393856A CN112553399B CN 112553399 B CN112553399 B CN 112553399B CN 202011393856 A CN202011393856 A CN 202011393856A CN 112553399 B CN112553399 B CN 112553399B
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- 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
- C21C5/4646—Cooling arrangements
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- 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
- C21C5/4653—Tapholes; Opening or plugging thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention relates to the technical field of steelmaking equipment, and discloses a water cooling device of a converter slag blocking mechanism, which comprises a hollow mounting plate and a hollow slag blocking plate, wherein a circular through hole is formed in the outer wall of the hollow mounting plate, a receiving pipe is fixedly connected to the hole wall of the circular through hole, a rectangular baffle is fixedly connected to the outer wall of the hollow mounting plate, a hydraulic cylinder is fixedly connected to the upper surface of the rectangular baffle, the output end of the hydraulic cylinder penetrates through the top end of the rectangular baffle and is fixedly connected with a connecting plate, and the lower surface of the connecting plate is fixedly connected with the upper surface of the hollow slag blocking plate. The invention ensures that the converter slag-stopping mechanism has a cooling function, improves the working reliability of the converter slag-stopping mechanism, does not need to frequently replace the converter slag-stopping mechanism, improves the service life and the maintenance convenience of the converter slag-stopping mechanism, reduces the use cost of the converter slag-stopping mechanism, and can also effectively improve the moving safety and convenience of the cooling device of the converter slag-stopping mechanism.
Description
Technical Field
The invention relates to the technical field of steelmaking equipment, in particular to a water cooling device of a converter slag blocking mechanism.
Background
The converter is a kind of steelmaking furnace, the furnace body is cylindrical, and is supported on a horizontal shaft bracket and can rotate, so that the reduction of slag discharging amount in the tapping process of the converter is an important link for improving molten steel quality, and is one of the problems affecting steelmaking development for a long time, and ten slag stopping methods such as a slag stopping cap, a slag stopping ball, a slag stopping plug, a pneumatic slag stopping method, an electromagnetic slag stopping method, a vacuum slag sucking method, a siphon tapping method and the like are invented for optimizing the slag stopping technology of the converter at home and abroad, but the slag stopping success rate is low and the effect is not ideal. And because the slag blocking mechanism is positioned in a high-temperature smelting area, the slag blocking mechanism is extremely easy to be baked and deformed at high temperature in the converter blowing process, and can not be used even burnt for a long time, and has to be replaced frequently.
The existing converter slag blocking mechanism is low in service life due to the influence of high temperature, frequent replacement is needed, the replacement process is time-consuming and labor-consuming, the convenience of using and maintaining the converter slag blocking mechanism is influenced, meanwhile, the working reliability of the converter slag blocking mechanism is also influenced, and the use cost of the converter slag blocking mechanism is increased.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the service life of a converter slag blocking mechanism is lower due to the influence of high temperature, frequent replacement is needed, the replacement process is time-consuming and labor-consuming, the convenience of using and maintaining the converter slag blocking mechanism is influenced, the working reliability of the converter slag blocking mechanism is also influenced, and the use cost of the converter slag blocking mechanism is increased.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a water cooling plant of converter slag trap, includes hollow mounting panel and hollow slag trap, circular through-hole has been seted up to the outer wall of hollow mounting panel, and the pore wall fixedly connected with material receiving pipe of circular through-hole, the inner wall fixedly connected with rectangle baffle of hollow mounting panel, the upper surface fixedly connected with pneumatic cylinder of rectangle baffle, the output of pneumatic cylinder passes the top fixedly connected with connecting plate of rectangle baffle, the lower surface of connecting plate with the upper surface fixedly connected with of hollow slag trap, the equal fixedly connected with of lateral wall of hollow mounting panel and hollow slag trap is first inlet tube and outlet pipe, one of them the top fixedly connected with first metal collapsible tube of first inlet tube, the water inlet of first metal collapsible tube and another the water inlet of first inlet tube is fixedly connected with first hollow block, one of them the top fixedly connected with second metal collapsible tube of outlet tube, the outer wall fixedly connected with second inlet tube of first hollow block, the bottom fixedly connected with water pump of second inlet tube, the bottom fixedly connected with water tank, the water tank fixedly connected with water tank is moved down.
Preferably, the refrigerating mechanism comprises refrigerating equipment fixedly connected with the upper surface of the water tank, the upper surface of the refrigerating equipment is fixedly connected with a booster pump, the input end of the booster pump is fixedly communicated with the output end of the refrigerating equipment through a fixed pipe, the output end of the booster pump is fixedly communicated with a vent pipe, the bottom end of the vent pipe penetrates through the top end of the water tank, the pipe wall of the vent pipe is fixedly communicated with a one-way valve, and the input end of the one-way valve is fixedly communicated with the water outlet of the water return pipe.
Preferably, the moving mechanism comprises a supporting plate fixedly connected with the lower surface of the water tank, T-shaped rods are fixedly connected to four corners of the lower surface of the supporting plate, the rod walls of the T-shaped rods are movably sleeved with cylinders, rubber rings are fixedly sleeved on the rod walls of the T-shaped rods, the side walls of the rubber rings are movably connected with the inner walls of the cylinders, supporting blocks are fixedly connected with the lower surface of the cylinders, and universal wheels are fixedly connected with the lower surface of the supporting blocks.
Preferably, the wall of the T-shaped rod is movably sleeved with a spring, and two ends of the spring are respectively and movably connected with the upper surface of the cylinder and the lower surface of the water tank.
Preferably, the outer wall of the vent pipe is fixedly communicated with an extension pipe, the output end of the extension pipe is fixedly communicated with a hollow disc, and the side wall of the hollow disc is fixedly connected with the outer wall of the hydraulic cylinder.
Preferably, the upper surface of the supporting plate is fixedly connected with a U-shaped handle.
Preferably, the air outlet of the hollow disc is obliquely and fixedly communicated with a plurality of exhaust pipes.
Preferably, the side wall of the hollow mounting plate is fixedly connected with a plurality of fixing rings.
Preferably, two symmetrically distributed round holes are formed in the outer wall of the connecting plate, the hole walls of the round holes are movably connected with limiting rods, and two ends of each limiting rod are fixedly connected with the inner wall of the rectangular baffle plate.
Preferably, the bottom end inner wall of the rectangular baffle plate is provided with a groove matched with the bottom end of the hollow slag baffle plate.
Compared with the prior art, the invention provides a water cooling device of a converter slag blocking mechanism, which has the following beneficial effects:
1. this water cooling plant of converter skimming mechanism, through being provided with hollow mounting panel, hollow skimming plate, water tank and refrigeration plant, when converter skimming mechanism works under high temperature environment, at first start the water pump, the water pump carries the cooling water in the water tank to in the second inlet tube, afterwards, in the second inlet tube cooling water carries hollow mounting panel and hollow skimming plate respectively through first hollow piece, first inlet tube and first metal collapsible tube, the quick cooling is carried out to hollow mounting panel and hollow skimming plate, avoid hollow mounting panel and hollow skimming plate to be damaged by high temperature, afterwards, the cooling water that carries heat enters into the wet return through outlet pipe, second metal collapsible tube and second hollow piece, finally the cooling water of wet return gets into the breather pipe through the check valve, start refrigeration plant and force (forcing) pump this moment, cool air is carried in the breather pipe after the pressurization through the force (forcing) pump, cool air cools down to the water of backward flow in the breather pipe, after the cooling water is carried in the second inlet tube again through the water pump cylinder, make the cooling water circulation use, cool air sprays at the periphery at the hydraulic pressure of converter skimming plate through extension pipe, the cooling air has improved the service life, the converter skimming mechanism has been used, the converter skimming mechanism has been replaced and the convenient service life has been improved, the converter skimming mechanism has been replaced, and the converter skimming mechanism has been used, the convenience has been improved, and the converter skimming mechanism has been used and improved.
2. This water cooling plant of converter pushing off slag mechanism through being provided with universal wheel, spring, rubber ring and T shape pole, can make things convenient for cooling device to remove converter pushing off slag mechanism department through the universal wheel, and the in-process T shape pole extrusion drum is interior air buffered, and the buffer capacity of cooperation spring can ensure the security that the device removed simultaneously, and this mechanism can effectively improve safety and the convenience that converter pushing off slag mechanism cooling device removed.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the converter slag blocking mechanism has a cooling function, the working reliability of the converter slag blocking mechanism is improved, the converter slag blocking mechanism does not need to be frequently replaced, the service life of the converter slag blocking mechanism is prolonged, the convenience of maintenance is improved, the use cost of the converter slag blocking mechanism is reduced, and the moving safety and convenience of the cooling device of the converter slag blocking mechanism can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of a water cooling device of a converter slag blocking mechanism according to the present invention;
FIG. 2 is a schematic diagram of a partial cross-sectional structure of a water cooling device of a converter slag blocking mechanism according to the present invention;
FIG. 3 is a schematic structural view of a water cooling device A part of a converter slag blocking mechanism provided by the invention;
fig. 4 is a schematic structural view of a water cooling device B part of the slag blocking mechanism of the converter according to the present invention.
In the figure: the device comprises a hollow mounting plate 1, a hollow slag trap 2, a material receiving pipe 3, a rectangular baffle 4, a hydraulic cylinder 5, a connecting plate 6, a first water inlet pipe 7, a refrigerating mechanism 8, refrigerating equipment 81, a pressurizing pump 82, a ventilating pipe 83, a one-way valve 84, a moving mechanism 9, a supporting plate 91, a 92T-shaped rod, a cylinder 93, a rubber ring 94, a supporting block 95, a universal wheel 96, a water outlet pipe 10, a first metal hose 11, a first hollow block 12, a second metal hose 13, a second hollow block 14, a second water inlet pipe 15, a water pump 16, a water tank 17, a water return pipe 18, a spring 19, an extension pipe 20, a hollow disc 21, a fixed ring 22, a limiting rod 23 and a handle 24U-shaped handle.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-4, the water cooling device of the converter slag trap mechanism comprises a hollow mounting plate 1 and a hollow slag trap 2, wherein a circular through hole is formed in the inner wall of the hollow mounting plate 1, a material receiving pipe 3 is fixedly connected to the hole wall of the circular through hole, a rectangular baffle 4 is fixedly connected to the outer wall of the hollow mounting plate 1, a hydraulic cylinder 5 is fixedly connected to the upper surface of the rectangular baffle 4, the output end of the hydraulic cylinder 5 penetrates through the top end of the rectangular baffle 4 to be fixedly connected with a connecting plate 6, the lower surface of the connecting plate 6 is fixedly connected with the upper surface of the hollow slag trap 2, the side walls of the hollow mounting plate 1 and the hollow slag trap 2 are fixedly connected with a first water inlet pipe 7 and a water outlet pipe 10, the top end of one of the first water inlet pipe 7 is fixedly connected with a first metal hose 11, the top end of the first metal hose 11 is fixedly connected with the water inlet of the other first water inlet pipe 7, the top end of one of the water outlet pipe 10 is fixedly connected with a second metal hose 13, the top end of the second metal hose 13 is fixedly connected with the water outlet 14 of the other water outlet pipe 10, the top end of the second water outlet 16 of the second water outlet pipe 14 is fixedly connected with a second water inlet pipe 15, the bottom end 16 of the second water outlet pipe 16 is fixedly connected with a water outlet pipe 17, the bottom surface of the water return pipe 17 is fixedly connected with a water tank 17, and the water tank 17 is fixedly connected with a water cooling mechanism.
The refrigerating mechanism 8 comprises a refrigerating device 81 fixedly connected with the upper surface of the water tank 17, a pressurizing pump 82 is fixedly connected to the upper surface of the refrigerating device 81, the input end of the pressurizing pump 82 is fixedly communicated with the output end of the refrigerating device 81 through a fixed pipe, the output end of the pressurizing pump 82 is fixedly communicated with a vent pipe 83, the bottom end of the vent pipe 83 penetrates through the top end of the water tank 17, a one-way valve 84 is fixedly communicated with the pipe wall of the vent pipe 83, and the input end of the one-way valve 84 is fixedly communicated with the water outlet of the water return pipe 18.
The moving mechanism 9 comprises a supporting plate 91 fixedly connected with the lower surface of the water tank 17, T-shaped rods 92 are fixedly connected to four corners of the lower surface of the supporting plate 91, a cylinder 93 is movably sleeved on the rod wall of each T-shaped rod 92, a rubber ring 94 is fixedly sleeved on the rod wall of each T-shaped rod 92, the side wall of each rubber ring 94 is movably connected with the inner wall of each cylinder 93, supporting blocks 95 are fixedly connected with the lower surface of each cylinder 93, universal wheels 96 are fixedly connected with the lower surface of each supporting block 95, and the moving safety and convenience of the cooling device of the converter slag blocking mechanism can be effectively improved.
The wall of the T-shaped rod 92 is movably sleeved with a spring 19, and two ends of the spring 19 are respectively and movably connected with the upper surface of the cylinder 93 and the lower surface of the water tank 17.
The outer wall of the breather pipe 83 is fixedly communicated with an extension pipe 20, the output end of the extension pipe 20 is fixedly communicated with a hollow disc 21, the side wall of the hollow disc 21 is fixedly connected with the outer wall of the hydraulic cylinder 5, and cold air is sprayed around the hydraulic cylinder 5 through the extension pipe 20 and the hollow disc 21 to perform air cooling on the converter slag blocking mechanism.
The upper surface of the support plate 91 is fixedly connected with a U-shaped handle 24, and the U-shaped handle 24 can conveniently control the moving direction of the cooling device.
The air outlet of the hollow disc 21 is fixedly connected with a plurality of exhaust pipes in an inclined mode, the inclined directions of the exhaust pipes are different, the range of cold air exhaust is enlarged, and the cooling effect of the converter slag blocking mechanism is improved.
The side wall of the hollow mounting plate 1 is fixedly connected with a plurality of fixing rings 22, and the fixing rings 22 are convenient for mounting a converter slag blocking mechanism.
Two symmetrically distributed round holes are formed in the outer wall of the connecting plate 6, the hole wall of each round hole is movably connected with a limiting rod 23, two ends of each limiting rod 23 are fixedly connected with the inner wall of the rectangular baffle 4, and the limiting rods 23 can guarantee the moving stability of the hollow slag baffle 2.
The inner wall of the bottom end of the rectangular baffle 4 is provided with a groove matched with the bottom end of the hollow slag trap 2, the groove can ensure tightness when the hollow slag trap 2 is closed, and the refrigeration equipment 81, the booster pump 82 and the water pump 16 are electrically connected with an external power supply through control switches, so that the electrical connection is in the prior art and belongs to the technical means commonly used by the person skilled in the art, and therefore, the description is omitted.
In the invention, when the converter slag blocking mechanism works in a high-temperature environment, the water pump 16 is started firstly, the water pump 16 conveys cooling water in the water tank 17 into the second water inlet pipe 15, then the cooling water in the second water inlet pipe 15 is respectively conveyed into the hollow mounting plate 1 and the hollow slag blocking plate 2 through the first hollow block 12, the second water inlet pipe 15 and the first metal hose 11, the hollow mounting plate 1 and the hollow slag blocking plate 2 are quickly cooled, the hollow mounting plate 1 and the hollow slag blocking plate 2 are prevented from being damaged by high temperature, then the cooling water carrying heat enters the water return pipe 18 through the water outlet pipe 10, the second metal hose 13 and the second hollow block 14, finally the cooling water of the water return pipe 18 enters the vent pipe 83 through the one-way valve 84, at the moment, the refrigerating equipment 81 and the pressurizing pump 82 are started, the refrigerating equipment 81 discharges cold air, the cold air is pressurized through the pressurizing pump 82 and then is conveyed into the vent pipe 83, the cooling air in the ventilation pipe 83 cools the reflowed water body, then the cooled cooling water is conveyed into the second water inlet pipe 15 through the water pump 16, so that the cooling water is recycled, meanwhile, the cooling air is sprayed around the hydraulic cylinder 5 through the extension pipe 20 and the hollow disc 21 to air cool the converter slag blocking mechanism, the mechanism enables the converter slag blocking mechanism to have a cooling function, improves the working reliability of the converter slag blocking mechanism, does not need to frequently replace the converter slag blocking mechanism, improves the service life and the maintenance convenience of the converter slag blocking mechanism, reduces the use cost of the converter slag blocking mechanism, can facilitate the cooling device to move to the converter slag blocking mechanism through the universal wheels 96, and the T-shaped rod 92 extrudes the air in the cylinder 93 to buffer in the moving process, and can ensure the moving safety of the device through the buffering capacity of the matched spring 19, the mechanism can effectively improve the safety and convenience of the movement of the cooling device of the converter slag blocking mechanism.
Claims (6)
1. The water cooling device of the converter slag blocking mechanism comprises a hollow mounting plate (1) and a hollow slag blocking plate (2), and is characterized in that a circular through hole is formed in the outer wall of the hollow mounting plate (1), a material receiving pipe (3) is fixedly connected to the hole wall of the circular through hole, a rectangular baffle plate (4) is fixedly connected to the inner wall of the hollow mounting plate (1), a hydraulic cylinder (5) is fixedly connected to the upper surface of the rectangular baffle plate (4), an output end of the hydraulic cylinder (5) penetrates through a connecting plate (6) fixedly connected to the top end of the rectangular baffle plate (4), the lower surface of the connecting plate (6) is fixedly connected with the upper surface of the hollow slag blocking plate (2), a first water inlet pipe (7) and a water outlet pipe (10) are fixedly connected to the side walls of the hollow mounting plate (1) and the hollow slag blocking plate (2), a first metal hose (11) is fixedly connected to the top end of one of the first water inlet pipe (7), a first water inlet of the other water outlet pipe (11) is fixedly connected to the water inlet of the first metal hose (7), a first hollow block (12) is fixedly connected to the water inlet of the other water outlet of the first water inlet pipe (7), a second metal hose (13) is fixedly connected to the water outlet of the second metal hose (13), the outer wall of the first hollow block (12) is fixedly communicated with a second water inlet pipe (15), the bottom end of the second water inlet pipe (15) is fixedly communicated with a water pump (16), the bottom end of the water pump (16) is fixedly connected with a water tank (17), the outer wall of the second hollow block (14) is fixedly communicated with a water return pipe (18), the upper surface of the water tank (17) is fixedly connected with a refrigerating mechanism (8), and the lower surface of the water tank (17) is fixedly connected with a moving mechanism (9);
the refrigerating mechanism (8) comprises refrigerating equipment (81) fixedly connected with the upper surface of the water tank (17), a pressurizing pump (82) is fixedly connected with the upper surface of the refrigerating equipment (81), the input end of the pressurizing pump (82) is fixedly communicated with the output end of the refrigerating equipment (81) through a fixed pipe, the output end of the pressurizing pump (82) is fixedly communicated with a vent pipe (83), the bottom end of the vent pipe (83) penetrates through the top end of the water tank (17), a one-way valve (84) is fixedly communicated with the pipe wall of the vent pipe (83), and the input end of the one-way valve (84) is fixedly communicated with the water outlet of the water return pipe (18);
the moving mechanism (9) comprises a supporting plate (91) fixedly connected with the lower surface of the water tank (17), T-shaped rods (92) are fixedly connected to four corners of the lower surface of the supporting plate (91), a cylinder (93) is movably sleeved on the rod wall of each T-shaped rod (92), a rubber ring (94) is fixedly sleeved on the rod wall of each T-shaped rod (92), the side wall of each rubber ring (94) is movably connected with the inner wall of the corresponding cylinder (93), supporting blocks (95) are fixedly connected to the lower surface of each cylinder (93), and universal wheels (96) are fixedly connected to the lower surface of each supporting block (95);
the outer wall of breather pipe (83) is fixed to be linked together and is had extension pipe (20), the output fixed intercommunication of extension pipe (20) has hollow dish (21), the lateral wall of hollow dish (21) is fixed to be connected with the outer wall of pneumatic cylinder (5), the gas outlet slope fixed intercommunication of hollow dish (21) has a plurality of blast pipes.
2. The water cooling device of the converter slag blocking mechanism according to claim 1, wherein a spring (19) is movably sleeved on the rod wall of the T-shaped rod (92), and two ends of the spring (19) are respectively and movably connected with the upper surface of the cylinder (93) and the lower surface of the water tank (17).
3. The water cooling device of the converter slag blocking mechanism according to claim 1, wherein the upper surface of the supporting plate (91) is fixedly connected with a U-shaped handle (24).
4. The water cooling device of the converter slag blocking mechanism according to claim 1, wherein a plurality of fixing rings (22) are fixedly connected to the side wall of the hollow mounting plate (1).
5. The water cooling device of the converter slag blocking mechanism according to claim 1, wherein two symmetrically distributed round holes are formed in the outer wall of the connecting plate (6), limiting rods (23) are movably connected to the wall of the round holes, and two ends of each limiting rod (23) are fixedly connected with the inner wall of the rectangular baffle plate (4).
6. The water cooling device of the converter slag blocking mechanism according to claim 1, wherein the inner wall of the bottom end of the rectangular baffle plate (4) is provided with a groove matched with the bottom end of the hollow slag blocking plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393856.1A CN112553399B (en) | 2020-12-03 | 2020-12-03 | Water cooling device of converter slag blocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393856.1A CN112553399B (en) | 2020-12-03 | 2020-12-03 | Water cooling device of converter slag blocking mechanism |
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| Publication Number | Publication Date |
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| CN112553399A CN112553399A (en) | 2021-03-26 |
| CN112553399B true CN112553399B (en) | 2023-06-02 |
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| CN202011393856.1A Active CN112553399B (en) | 2020-12-03 | 2020-12-03 | Water cooling device of converter slag blocking mechanism |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5372618A (en) * | 1992-12-30 | 1994-12-13 | Combustion Engineering, Inc. | Temperature measuring device for a gasifier |
| CN201212044Y (en) * | 2008-06-23 | 2009-03-25 | 福建三钢闽光股份有限公司 | Water cooling oil cylinder for steel converter slag stopping gate valve |
| CN204648964U (en) * | 2015-05-21 | 2015-09-16 | 东风汽车有限公司 | Slag stopper |
| CN105063275B (en) * | 2015-08-26 | 2017-04-26 | 无锡双木机械科技有限公司 | High-strength converter tapping slag stopping mechanism capable of improving operating efficiency and processing technology thereof |
| JP6804963B2 (en) * | 2016-12-14 | 2020-12-23 | 株式会社日向製錬所 | Residue device |
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2020
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