CN212741422U - Steel ladle wire feeding dust removal device for vacuum refining furnace - Google Patents
Steel ladle wire feeding dust removal device for vacuum refining furnace Download PDFInfo
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- CN212741422U CN212741422U CN202020796892.1U CN202020796892U CN212741422U CN 212741422 U CN212741422 U CN 212741422U CN 202020796892 U CN202020796892 U CN 202020796892U CN 212741422 U CN212741422 U CN 212741422U
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Abstract
The utility model belongs to the technical field of metallurgical environmental protection, in particular to a ladle wire feeding and dust removing device for a vacuum refining furnace, which comprises a dust hood, a ladle, a vacuum tank, a wire feeding machine, a silk thread and a dust removing flue, wherein the ladle is sleeved in the vacuum tank, the upper surface of the ladle is buckled with the left part of the dust hood, the right part of the dust hood is connected with the upper surface of a workbench, the wire feeding machine is connected with the silk thread and the wire feeding machine is connected on the workbench, the left part of the dust hood is provided with a wire feeding hole and a dust removing port, one end of the silk thread passes through the wire feeding hole, the dust removing port is connected with the dust removing flue, the problems that the vacuum tank cover is moved to another processing station after the wire feeding is finished in the prior art are solved, the production time is prolonged, the vacuum refining furnace is not matched with the production time of the front and back processes are solved, the molten steel wire feeding treatment, the wire feeding flue gas dust removal is realized, the environmental protection requirement of factory clean production is met, and the operating environment of workers is improved.
Description
Technical Field
The utility model belongs to the technical field of metallurgical environmental protection, concretely relates to ladle wire feeding dust collector for vacuum refining furnace.
Background
It is known that VD/VOD/VC vacuum refining furnace is used for secondary refining of molten steel, according to the smelting requirements of different steel grades, Al wire, Ca wire, Mg wire, rare earth wire and other alloy wires are put into the molten steel after the vacuum treatment is finished. Under the stirring action of argon, the components of molten steel are adjusted and the floating of inclusions is promoted, so that the quality of the molten steel is improved. During wire feeding, a large amount of smoke is generated by the reaction of the wire and the molten steel, the smoke diffuses into the factory building, and the environmental protection requirement cannot be met.
As known, because the wire feeding operation of the vacuum refining furnace is to put alloy wires into molten steel in a ladle in the vacuum tank by a wire feeding machine after the vacuum treatment is finished and the vacuum tank cover is separated from the vacuum tank, the dust removal cover of the existing ladle wire feeding machine can not meet the requirement of moving the vacuum tank cover, the problem of wire feeding and dust removal of the vacuum refining furnace can not be solved, and the vacuum tank cover can be moved to another treatment station only after the wire feeding is finished by the existing flue gas dust removal device and the dust removal method thereof, which can influence the rhythm of alternative treatment between the two stations of the vacuum refining furnace, prolong the production time and finally cause the problem that the production time of the vacuum refining furnace is not matched with the production time of the front and back procedures.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ladle wire feeding dust removal device for a vacuum refining furnace, which aims to overcome the defect that the dust removal cover of the ladle wire feeding machine in the prior art can not meet the requirement of moving a vacuum tank cover and can not solve the problem of wire feeding dust removal of the vacuum refining furnace; the second purpose is to overcome the problem that the flue gas dust removal device and the dust removal method thereof in the prior art can move the vacuum tank cover to another processing station only after the wire feeding is completed, which can affect the rhythm of alternative processing between the two stations of the vacuum refining furnace, prolong the production time and finally cause the mismatching of the vacuum refining furnace and the production time of the front and the back processes.
Therefore, the utility model provides a ladle wire feeding dust collector for vacuum refining furnace, including dust excluding hood, ladle, vacuum tank, wire feeding machine, silk thread, dust removal flue one, cup joint the ladle in the vacuum tank, the left part of the higher authority lock joint dust excluding hood of ladle, the higher authority of the right part connection workstation of dust excluding hood, wire feeding machine connection silk thread and wire feeding machine are connected on the workstation, and wire feeding hole and dust removal mouth have been seted up to the left part of dust excluding hood, and wire feeding hole is passed to the one end of silk thread, and dust removal flue one is connected to the dust removal mouth.
The dust excluding hood includes dust removal housing, rotary platform, dust removal flue two, connecting rod, actuating mechanism base, and wire feeding hole and dust removal mouth are seted up on the dust removal housing, and rotary platform's upper portion is connected on the right side of dust removal housing, and actuating mechanism is connected through the connecting rod in rotary platform's lower part, and actuating mechanism passes through actuating mechanism base fixed connection on the workstation, the entry linkage dust removal mouth of dust removal flue two, the entry of dust removal flue one of exit linkage.
And the outlet of the second dust removal flue is provided with a movable dust removal cover plate and a positioning block of the dust removal cover plate.
The dust excluding hood still includes snubber block, shock absorber, damping frame, and the snubber block is connected to rotary platform's side, and rotary platform's lower part is through damping frame connection workstation, and the higher authority of damping frame is connected the shock absorber and the shock absorber touches with the snubber block and is connected.
The dust hood also comprises a hinge, and the right side of the dust hood housing is connected with the upper part of the rotary platform through the hinge.
The silk feeding machine comprises a silk feeding pipe, a movable cover plate and a cover plate positioning block, the silk thread is positioned in the silk feeding pipe, the right end of the silk thread penetrates out of the right end of the silk feeding pipe, and the movable cover plate and the cover plate positioning block are connected to the outer portion of the silk feeding pipe.
And an automatic valve is arranged on the first dust removal flue.
The driving mechanism is an electro-hydraulic push rod, an electric cylinder or a hydraulic cylinder.
And the driving mechanism is provided with a detection mechanism.
A ladle wire feeding and dust removing method for a vacuum refining furnace comprises the following specific steps: when wire feeding is needed, the dust removal housing is buckled on the steel ladle, the first dust removal flue is communicated with a factory dust removal system, a wire feeding machine feeds wires to molten steel in the steel ladle through a wire feeding hole of the dust removal housing, and generated wire feeding smoke is discharged from the first dust removal flue; after the wire feeding is finished, the wire feeding pipe of the wire feeding machine is screwed to the standby position, and the dust hood is screwed to the standby position.
The utility model has the advantages that: the utility model provides a pair of this kind of ladle wire feeding dust collector for vacuum refining furnace, its characterized in that: the device comprises a dust hood, a steel ladle, a vacuum tank, a wire feeder, a silk thread and a first dust removal flue, wherein the steel ladle is sleeved in the vacuum tank, the upper surface of the steel ladle is buckled with the left part of the dust hood, the right part of the dust hood is connected with the upper surface of a workbench, the wire feeder is connected with the silk thread and is connected onto the workbench, the left part of the dust hood is provided with a wire feeding hole and a dust removal port, one end of the silk thread penetrates through the wire feeding hole, and the dust removal port is connected with the first dust removal flue; a ladle wire feeding and dust removing method for a vacuum refining furnace comprises the following specific steps: when wire feeding is needed, the dust removal housing is buckled on the steel ladle, the first dust removal flue is communicated with a factory dust removal system, a wire feeding machine feeds wires to molten steel in the steel ladle through a wire feeding hole of the dust removal housing, and generated wire feeding smoke is discharged from the first dust removal flue; after the wire feeding is finished, the wire feeding pipe of the wire feeding machine is screwed to the standby position, and the dust hood is screwed to the standby position. The utility model relates to a ladle wire feeding dust collector for vacuum refining furnace, all set up a set of independent dust excluding hood on the vacuum tank workstation of every station, in order not to influence vacuum tank cover and move and workstation space, this dust excluding hood has the buckle function of turning over, when feeding the silk to the molten steel, the dust excluding hood overturns the lock on the ladle in the vacuum tank, the wire feeder drops the silk thread into the molten steel that the ladle holds through the wire feeding hole of dust excluding hood, put through dust removal flue one at the same time, open the automatic valve of dust removal flue one and discharge the smoke and dust that the silk feeding produced; after the wire feeding is finished, the wire feeding machine draws out the wires, an automatic valve of the dust removal flue is closed, and the dust removal cover is turned over and returns; before the current station feeds wires to molten steel in the vacuum tank, the vacuum tank cover can be smoothly moved to another station for vacuum refining furnace treatment; the molten steel wire feeding treatment at the station and the molten steel vacuum treatment at the other station can be carried out simultaneously; the utility model discloses can realize the wire feeding flue gas and remove dust under the condition that does not influence the production rhythm of current vacuum refining furnace, satisfy the environmental protection requirement of mill's clean production, improve workman operation environment.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a front view of a ladle wire feeding and dust removing device for a vacuum refining furnace;
FIG. 2 is a top view of a ladle wire feeding and dust removing device for a vacuum refining furnace;
figure 3 is a front view of the dust hood structure.
Description of reference numerals: 1. a dust hood; 2. a ladle; 3. a vacuum tank; 4. a wire feeder; 5. A silk thread; 6. a first dust removal flue; 7. a work table; 1-1, a dust removal housing; 1-2, rotating the platform; 1-3, a dust removal movable cover plate; 1-4, a positioning block of the dust removal cover plate; 1-5, a damping block; 1-6, connecting rod; 1-7, a shock absorber; 1-8, a vibration reduction rack; 1-9, wire feeding holes; 1-10, a hinge; 1-11 and a second dust removal flue; 1-12, a driving mechanism; 1-13, a detection mechanism; 1-14, a drive mechanism base; 1-15, a dust removal port; 4-1, feeding a wire pipe; 4-2, a movable cover plate; 4-3, a cover plate positioning block; 8. waiting for the airplane to stand; 9. and (6) a working position.
Detailed Description
Example 1:
as shown in fig. 1-3, a ladle wire feeding and dust removing device for a vacuum refining furnace comprises a dust hood 1, a ladle 2, a vacuum tank 3, a wire feeding machine 4, a silk thread 5 and a dust removing flue I6, wherein the ladle 2 is sleeved in the vacuum tank 3, the upper surface of the ladle 2 is buckled with the left part of the dust hood 1, the right part of the dust hood 1 is connected with the upper surface of a workbench 7, the wire feeding machine 4 is connected with the silk thread 5, the wire feeding machine 4 is connected onto the workbench 7, the left part of the dust hood 1 is provided with wire feeding holes 1-9 and dust removing ports 1-15, one end of the silk thread 5 penetrates through the wire feeding holes 1-9, and the dust removing ports 1-15 are connected with the dust removing flue I6.
The utility model relates to a ladle wire feeding dust collector for vacuum refining furnace, all set up one set of independent dust excluding hood 1 on the workstation 7 of the vacuum tank 3 of every station, in order not to influence the vacuum tank cover and move and workstation 7 space, this dust excluding hood 1 turns over and buckles the function, when feeding the silk to the molten steel, the dust excluding hood 1 turns over and buckles on the ladle 2 in the vacuum tank 3, the wire feeder 4 drops the silk thread 5 into the molten steel that the ladle 2 holds through the wire feeding hole 1-9 of the dust excluding flue one, put through the dust excluding flue one at the same time, open the automatic valve of the dust excluding flue one and discharge the smoke and dust that the wire feeding produced; after the wire feeding is finished, the wire feeder 4 draws out the wires 5, an automatic valve of the dust removal flue is closed, and the dust removal cover 1 is turned over and returned; before the current station feeds wires to molten steel in the vacuum tank, the vacuum tank cover can be smoothly moved to another station for vacuum refining furnace treatment; the molten steel wire feeding treatment at the station and the molten steel vacuum treatment at the other station can be carried out simultaneously; the utility model discloses can realize the wire feeding flue gas and remove dust under the condition that does not influence the production rhythm of current vacuum refining furnace, satisfy the environmental protection requirement of mill's clean production, improve workman operation environment.
Example 2:
on the basis of the embodiment 1, the dust hood 1 comprises a dust hood casing 1-1, a rotary platform 1-2, a dust removal flue II 1-11, a connecting rod 1-6, a driving mechanism 1-12 and a driving mechanism base 1-14, wherein a wire feeding hole 1-9 and a dust removal port 1-15 are formed in the dust hood casing 1-1, the right side of the dust hood casing 1-1 is connected with the upper part of the rotary platform 1-2, the lower part of the rotary platform 1-2 is connected with the driving mechanism 1-12 through the connecting rod 1-6, the driving mechanism 1-12 is fixedly connected to a workbench 7 through the driving mechanism base 1-14, an inlet of the dust removal flue II 1-11 is connected with the dust removal port 1-15, and an outlet of the dust removal flue II 1-11 is connected with an inlet of the dust removal flue I6. The wire feeding holes 1-9 allow the silk threads 5 to pass through, the dust removing openings 1-15 discharge smoke dust generated by wire feeding through the dust removing flues II 1-11, the driving mechanisms 1-12 drive the rotating platforms 1-2 to rotate between the standby position 8 and the working position 9 through the connecting rods 1-6, when the driving mechanisms 1-12 retract, the rotating platforms 1-2 are driven to rotate to the working position 9, and when the driving mechanisms 1-12 push out, the rotating platforms 1-12 are driven to rotate to the standby position 8; the rotary platform 1-12 is provided with a fixed frame of the second dust removing flue 1-11 for installing the second dust removing flue 1-11. The wire feeding dust hood 1 capable of being turned over is arranged under the condition that the production rhythm of the existing vacuum refining furnace is not influenced. When wire feeding is needed, the dust hood 1 is buckled on the steel ladle 2, the dust removal flues II 1-11 are communicated with a factory dust removal system, the wire feeder 4 feeds wires to molten steel in the steel ladle 2 through the wire feeding holes 1-9 of the dust hood 1, the generated wire feeding smoke is discharged from the dust removal flues II 1-11, after wire feeding is completed, the wire feeding pipe is screwed back to the standby position 8, the dust hood 1 is screwed back to the standby position 8, and the vacuum refining furnace can perform alternate molten steel treatment on two vacuum production stations; simple structure, and ensures the rhythm of alternative treatment between two stations of the vacuum refining furnace.
And the outlet of the second dust removal flue 1-11 is provided with a movable dust removal cover plate 1-3 and a positioning block 1-4 of the dust removal cover plate. When the wire feeding is finished, the wire feeding pipe 4-1 of the wire feeding machine 4 rotates from the wire feeding hole 1-9 to the standby position, the automatic valve on the dedusting flue I6 is closed, the dedusting cover case 1-1 rotates from the working position to the standby position, and when the dedusting cover case 1-1 rotates to the standby position, the dedusting movable cover plate 1-3 is in a free state and is limited by the dedusting cover plate positioning block 1-4; when the wire feeding pipe 4-1 rotates back to the standby position, the movable cover plate 4-2 is in a free state, and the position is limited by the cover plate positioning block 4-3; used for preventing the leakage of the tobacco feeding smoke.
The dust hood 1 further comprises shock absorption blocks 1-5, shock absorbers 1-7 and a shock absorption rack 1-8, the side face of the rotary platform 1-2 is connected with the shock absorption blocks 1-5, the lower portion of the rotary platform 1-2 is connected with the workbench 7 through the shock absorption rack 1-8, the shock absorbers 1-7 are connected to the upper portion of the shock absorption rack 1-8, and the shock absorbers 1-7 are in touch connection with the shock absorption blocks 1-5. The shock absorbers 1-7 and the shock absorption blocks 1-5 collide to reduce vibration, and after collision contact, the adverse effect of vibration is eliminated, and the stability of the device is improved.
The dust hood 1 further comprises hinges 1-10, and the right side of the dust hood housing 1-1 is connected with the upper part of the rotating platform 1-2 through the hinges 1-10. The connection to the rotating platform 1-2 by means of the hinges 1-10 allows position adjustment for buckling with the ladle 2.
Example 3:
on the basis of the embodiment 2, the wire feeding machine 4 comprises a wire feeding pipe 4-1, a movable cover plate 4-2 and a cover plate positioning block 4-3, the silk thread 5 is positioned in the wire feeding pipe 4-1, the right end of the silk thread 5 penetrates out of the right end of the wire feeding pipe 4-1, and the movable cover plate 4-2 and the cover plate positioning block 4-3 are both connected to the outside of the wire feeding pipe 4-1. Used for preventing the leakage of the tobacco feeding smoke.
Example 4:
on the basis of the embodiment 3, an automatic valve is arranged on the first dust removal flue 6. The first dust removal flue 6 is provided with an automatic valve, the on-off of the first dust removal flue and a dust removal system is realized through the opening and closing of the automatic valve, and the first dust removal flue 6 is fixed on the workbench 7 through a standard pipe clamp.
Example 5:
on the basis of the embodiment 4, the driving mechanisms 1 to 12 are electro-hydraulic push rods, electric cylinders or hydraulic cylinders. Simple structure is stable, reduce cost.
And the driving mechanism 1-12 is provided with a detection mechanism 1-13. The detection mechanism 1-13 can select one of a mechanical limit switch, a photoelectric sensing limit switch, a laser displacement sensor and the like to realize the monitoring of the rotating position of the dust removing housing 1-1.
Example 6:
on the basis of embodiment 5, a ladle wire feeding and dedusting method for a vacuum refining furnace comprises the following specific steps: when wire feeding is needed, the dust removal housing 1-1 is buckled on the steel ladle 2, the dust removal flue II 1-11 is communicated with a factory dust removal system, the wire feeder 4 feeds wires to molten steel in the steel ladle 2 through a wire feeding hole 1-9 of the dust removal housing 1, and generated wire feeding smoke is discharged from the dust removal flue II 1-11; after the wire feeding is finished, the wire feeding pipe 4-1 of the wire feeding machine 4 is screwed to the standby position, and the dust hood 1 is screwed to the standby position.
The ladle wire feeding and dedusting method for the vacuum refining furnace comprises the following specific steps:
after the vacuum refining furnace finishes the vacuum treatment of the molten steel at the current treatment station, the vacuum tank cover is moved to another station of the vacuum tank 3 which is already filled with the steel ladle 2 again, and the vacuum treatment of the molten steel in a new station is carried out;
after the vacuum tank cover moves to another station and the steel ladle 2 is still placed in the vacuum tank 3, the dust hood 1 rotates from the standby position 8 to the working position 9 and is buckled on the steel ladle 2, the wire feeding pipe 4 of the wire feeding machine 4 rotates from the standby position 8 to the working position 9, the wire 5 is thrown into the molten steel contained in the steel ladle 2 through the dust removing hood shell 1-1, and the automatic valve on the dust removing flue I6 is opened to discharge smoke dust generated by wire feeding;
when the dust removing cover shell 1-1 rotates to a working position, the outlet of the dust removing flue II 1-11 is inserted into the inlet of the dust removing flue I6, and the dust removing movable cover plate 1-3 is buckled with the dust removing flue I6 and used for preventing the wire feeding flue gas from leaking. When the wire feeding pipe 4-1 rotates to a working position, the outlet of the wire feeding pipe 4-1 is inserted into the wire feeding port 1-9 on the dust removing housing 1-1, and the movable cover plate 4-2 is buckled with the wire feeding port 1-9 for preventing the leakage of wire feeding smoke;
after the wire feeding is finished, the wire feeding pipe 4-1 of the wire feeding machine 4 rotates from the wire feeding hole 1-9 to the standby position 8, the automatic valve on the dedusting flue I6 is closed, and the dedusting cover 1-1 rotates from the working position 9 to the standby position 8; when the dust removing housing 1-1 rotates back to the standby position 8, the movable cover plate 1-3 is in a free state, and the position is limited by the cover plate positioning block 1-4; when the wire feeding pipe 4-1 rotates back to the standby position 8, the movable cover plate 4-2 is in a free state, and the position is limited by the cover plate positioning block 4-3.
The utility model discloses can realize the wire feeding flue gas and remove dust under the condition that does not influence the production rhythm of current vacuum refining furnace, satisfy the environmental protection requirement of mill's clean production, improve workman operation environment.
In the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "inner", etc., it is based on the orientation or positional relationship shown in the drawings, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a ladle wire feeding dust collector for vacuum refining furnace which characterized in that: the device comprises a dust hood (1), a steel ladle (2), a vacuum tank (3), a wire feeding machine (4), a silk thread (5) and a first dust removal flue (6), wherein the steel ladle (2) is sleeved in the vacuum tank (3), the upper surface of the steel ladle (2) is buckled with the left part of the dust hood (1), the right part of the dust hood (1) is connected with the upper surface of a workbench (7), the wire feeding machine (4) is connected with the silk thread (5) and the wire feeding machine (4) is connected onto the workbench (7), the left part of the dust hood (1) is provided with a wire feeding hole (1-9) and a dust removal port (1-15), one end of the silk thread (5) penetrates through the wire feeding hole (1-9), and the dust removal port (1-15) is connected with the first dust removal flue (.
2. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 1, wherein: the dust hood (1) comprises a dust removing housing (1-1), a rotary platform (1-2), a second dust removing flue (1-11), a connecting rod (1-6), a driving mechanism (1-12) and a driving mechanism base (1-14), wherein a wire feeding hole (1-9) and a dust removing port (1-15) are formed in the dust removing housing (1-1), the right side of the dust removing housing (1-1) is connected with the upper part of the rotary platform (1-2), the lower part of the rotary platform (1-2) is connected with the driving mechanism (1-12) through the connecting rod (1-6), the driving mechanism (1-12) is fixedly connected to a workbench (7) through the driving mechanism base (1-14), an inlet of the second dust removing flue (1-11) is connected with the dust removing port (1-15), the outlet of the second dust removing flue (1-11) is connected with the inlet of the first dust removing flue (6).
3. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 2, wherein: and the outlet of the second dust removal flue (1-11) is provided with a movable dust removal cover plate (1-3) and a positioning block (1-4) for the dust removal cover plate.
4. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 3, wherein: the dust excluding hood (1) further comprises shock absorption blocks (1-5), shock absorbers (1-7) and shock absorption frames (1-8), the shock absorption blocks (1-5) are connected to the side faces of the rotary platform (1-2), the lower portion of the rotary platform (1-2) is connected with the workbench (7) through the shock absorption frames (1-8), the shock absorbers (1-7) are connected to the upper faces of the shock absorption frames (1-8), and the shock absorbers (1-7) are connected with the shock absorption blocks (1-5) in a touching mode.
5. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 4, wherein: the dust hood (1) further comprises hinges (1-10), and the right side of the dust hood housing (1-1) is connected with the upper part of the rotating platform (1-2) through the hinges (1-10).
6. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 1, wherein: the silk feeding machine (4) comprises a silk feeding pipe (4-1), a movable cover plate (4-2) and a cover plate positioning block (4-3), the silk thread (5) is located in the silk feeding pipe (4-1), the right end of the silk thread (5) penetrates out of the right end of the silk feeding pipe (4-1), and the movable cover plate (4-2) and the cover plate positioning block (4-3) are connected to the outer portion of the silk feeding pipe (4-1).
7. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 1, wherein: and an automatic valve is arranged on the first dust removal flue (6).
8. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 2, wherein: the driving mechanisms (1-12) are electro-hydraulic push rods, electric cylinders or hydraulic cylinders.
9. The ladle wire feeding and dust removing device for the vacuum refining furnace according to claim 2, wherein: the driving mechanism (1-12) is provided with a detection mechanism (1-13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020796892.1U CN212741422U (en) | 2020-05-14 | 2020-05-14 | Steel ladle wire feeding dust removal device for vacuum refining furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020796892.1U CN212741422U (en) | 2020-05-14 | 2020-05-14 | Steel ladle wire feeding dust removal device for vacuum refining furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575445A (en) * | 2020-05-14 | 2020-08-25 | 中国重型机械研究院股份公司 | Ladle wire feeding and dust removing device and method for vacuum refining furnace |
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2020
- 2020-05-14 CN CN202020796892.1U patent/CN212741422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575445A (en) * | 2020-05-14 | 2020-08-25 | 中国重型机械研究院股份公司 | Ladle wire feeding and dust removing device and method for vacuum refining furnace |
| CN111575445B (en) * | 2020-05-14 | 2024-03-01 | 中国重型机械研究院股份公司 | Ladle wire feeding and dust removing device and method for vacuum refining furnace |
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