CN111575445B - Ladle wire feeding and dust removing device and method for vacuum refining furnace - Google Patents
Ladle wire feeding and dust removing device and method for vacuum refining furnace Download PDFInfo
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- CN111575445B CN111575445B CN202010406210.6A CN202010406210A CN111575445B CN 111575445 B CN111575445 B CN 111575445B CN 202010406210 A CN202010406210 A CN 202010406210A CN 111575445 B CN111575445 B CN 111575445B
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- wire feeding
- dust removing
- dust
- wire
- ladle
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- 239000000428 dust Substances 0.000 title claims abstract description 189
- 238000007670 refining Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000013016 damping Methods 0.000 claims description 19
- 239000000779 smoke Substances 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 12
- 230000033764 rhythmic process Effects 0.000 description 7
- 238000009489 vacuum treatment Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention belongs to the technical field of metallurgical environmental protection, and particularly relates to a steel ladle wire feeding dust removing device and method for a vacuum refining furnace.
Description
Technical Field
The invention belongs to the technical field of metallurgical environmental protection, and particularly relates to a ladle wire feeding and dedusting device and method for a vacuum refining furnace.
Background
The well-known VD/VOD/VC vacuum refining furnace is used for secondary refining of molten steel, and Al wires, ca wires, mg wires, rare earth wires and other alloy wires are put into the molten steel after the vacuum treatment is completed according to smelting requirements of different steel types. Under the stirring action of argon, the components of molten steel are regulated and the floating of inclusions is promoted so as to improve the quality of molten steel. When feeding wires, a large amount of smoke dust is generated by the reaction of the wires and molten steel, and the contents of the factory buildings are diffused, so that the environment protection requirement cannot be met.
As known, the wire feeding operation of the vacuum refining furnace is that alloy wires are put into molten steel in a ladle in a vacuum tank by a wire feeder after the vacuum treatment is completed and the vacuum tank cover is separated from the vacuum tank, the dust hood of the conventional ladle wire feeder cannot meet the requirement of moving the vacuum tank cover, the wire feeding and dust removing problem of the vacuum refining furnace cannot be solved, and the conventional flue gas dust removing device and the dust removing method thereof can only move the vacuum tank cover to another treatment station after the wire feeding is completed, so that the rhythm of alternate treatment between two stations of the vacuum refining furnace can be influenced, the production time is prolonged, and finally the problem that the production time of the vacuum refining furnace and the front and back working procedures is not matched is finally solved.
Disclosure of Invention
The invention provides a ladle wire feeding dust removing device and method for a vacuum refining furnace, which aims at overcoming the defect that a dust hood of a ladle wire feeding machine in the prior art does not meet the requirement of moving a vacuum tank cover and cannot solve the problem of wire feeding dust removal of the vacuum refining furnace; the second purpose is to overcome in the prior art flue gas dust removal device and dust removal method only after the wire feeding is accomplished, can remove vacuum tank cover to another processing station, this can influence the rhythm that can alternate processing between two stations of vacuum refining stove, extension production time, finally appear vacuum refining stove and the unmatched problem of preceding and succeeding processes production time.
The invention provides a steel ladle wire feeding dust removing device for a vacuum refining furnace, which comprises a dust removing cover, a steel ladle, a vacuum tank, a wire feeding machine, wires and a dust removing flue, wherein the steel ladle is sleeved in the vacuum tank, the upper surface of the steel ladle is fastened with the left part of the dust removing cover, the right part of the dust removing cover is connected with the upper surface of a workbench, the wire feeding machine is connected with the wires, the wire feeding machine is connected with the workbench, the left part of the dust removing cover is provided with a wire feeding hole and a dust removing opening, one end of each wire passes through the wire feeding hole, and the dust removing opening is connected with the dust removing flue.
The dust excluding hood comprises a dust excluding hood shell, a rotary platform, a dust excluding flue, a connecting rod, a driving mechanism base, a wire feeding hole and a dust excluding mouth are formed in the dust excluding hood shell, the right side of the dust excluding hood shell is connected with the upper part of the rotary platform, the lower part of the rotary platform is connected with the driving mechanism through the connecting rod, the driving mechanism is fixedly connected on the workbench through the driving mechanism base, an inlet of the dust excluding flue is connected with the dust excluding mouth, and an outlet of the dust excluding flue is connected with an inlet of the dust excluding flue.
The outlet of the dust removing flue is provided with a dust removing movable cover plate and a dust removing cover plate positioning block.
The dust excluding hood further comprises a damping block, a damper and a damping rack, the side surface of the rotary platform is connected with the damping block, the lower part of the rotary platform is connected with the workbench through the damping rack, the damper is connected with the upper surface of the damping rack, and the damper is in touch connection with the damping block.
The dust hood further comprises a hinge, and the right side of the dust hood is connected with the upper part of the rotating platform through the hinge
The wire feeding machine comprises a wire feeding tube, a movable cover plate and a cover plate positioning block, wherein a wire is positioned in the wire feeding tube, the right end of the wire penetrates out of the right end of the wire feeding tube, and the movable cover plate and the cover plate positioning block are both connected to the outer portion of the wire feeding tube.
An automatic valve is arranged on the dust removing flue.
The driving mechanism is an electrohydraulic push rod, an electric cylinder or a hydraulic cylinder.
And the driving mechanism is provided with a detection mechanism.
A ladle wire feeding dust removing method for a vacuum refining furnace comprises the following specific steps: when wire feeding is needed, the dust removing cover is buckled on the steel ladle, the dust removing flue is communicated with the factory dust removing system, the wire feeder feeds the molten steel wire in the steel ladle through a wire feeding hole of the dust removing cover, and generated wire feeding smoke is discharged from the dust removing flue; when the wire feeding is completed, the wire feeding pipe of the wire feeding machine is rotated back to the waiting position, and the dust hood is rotated back to the waiting position.
The invention has the beneficial effects that: the invention provides a ladle wire feeding dust removing device for a vacuum refining furnace, which is characterized in that: the device comprises a dust hood, a steel ladle, a vacuum tank, a wire feeding machine, a wire and a dust removing flue, wherein the steel ladle is sleeved in the vacuum tank, the upper surface of the steel ladle is fastened 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 wire and is connected with the workbench, the left part of the dust hood is provided with a wire feeding hole and a dust removing opening, one end of the wire penetrates through the wire feeding hole, and the dust removing opening is connected with the dust removing flue; a ladle wire feeding dust removing method for a vacuum refining furnace comprises the following specific steps: when wire feeding is needed, the dust removing cover is buckled on the steel ladle, the dust removing flue is communicated with the factory dust removing system, the wire feeder feeds the molten steel wire in the steel ladle through a wire feeding hole of the dust removing cover, and generated wire feeding smoke is discharged from the dust removing flue; when the wire feeding is completed, the wire feeding pipe of the wire feeding machine is rotated back to the waiting position, and the dust hood is rotated back to the waiting position. The invention relates to a ladle wire feeding dust removing device and method for a vacuum refining furnace, wherein a set of independent dust removing hoods are arranged on a vacuum tank workbench of each station, so that the movement of a vacuum tank cover and the space of the workbench are not affected; when the wire feeding is completed, the wire feeding machine withdraws the wire, the automatic valve of the dust removing flue is closed, and the dust removing cover is turned over to return; before the molten steel in the vacuum tank is fed to the current station, the vacuum tank cover can smoothly move to another station for processing in a vacuum refining furnace; 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 invention can realize the dust removal of the wire feeding smoke without affecting the production rhythm of the existing vacuum refining furnace, meets the environmental protection requirement of clean production of factories and improves the operation environment of workers.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a front view of a structure of a ladle wire feeding dust removing device for a vacuum refining furnace;
FIG. 2 is a top view of the structure of a ladle wire feeding dust removing device for a vacuum refining furnace;
fig. 3 is a front view of the dust hood structure.
Reference numerals illustrate: 1. a dust hood; 2. ladle; 3. a vacuum tank; 4. a wire feeder; 5. a silk thread; 6. a dust removing flue; 7. a work table; 1-1, a dust removing housing; 1-2, rotating a platform; 1-3, a dust removal movable cover plate; 1-4, a dust removing cover plate positioning block; 1-5, damping blocks; 1-6, connecting rod; 1-7, a damper; 1-8, a vibration reduction rack; 1-9, a wire feeding hole; 1-10, a hinge; 1-11, a dust removal flue; 1-12, a driving mechanism; 1-13, a detection mechanism; 1-14, a driving mechanism base; 1-15, a dust removing port; 4-1, feeding the wire pipe; 4-2, a movable cover plate; 4-3, a cover plate positioning block; 8. waiting for a machine position; 9. and a working position.
Detailed Description
Example 1:
as shown in figures 1-3, the ladle wire feeding and dedusting device for the vacuum refining furnace comprises a dust hood 1, a ladle 2, a vacuum tank 3, a wire feeding machine 4, wires 5 and a dedusting flue 6, 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 wires 5 and 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 dedusting ports 1-15, one end of the wires 5 penetrates through the wire feeding holes 1-9, and the dedusting ports 1-15 are connected with the dedusting flue 6.
The invention relates to a ladle wire feeding dust removing device for a vacuum refining furnace, wherein a set of independent dust removing hoods 1 are arranged on a workbench 7 of a vacuum tank 3 of each station, so as not to influence the movement of a vacuum tank cover and the space of the workbench 7, the dust removing hoods 1 have a turning function, when molten steel is fed, the dust removing hoods 1 are turned over and buckled on a ladle 2 in the vacuum tank 3, a wire feeder 4 inputs wires 5 into molten steel contained in the ladle 2 through wire feeding holes 1-9 of the dust removing hoods 1, and meanwhile, a dust removing flue is connected, and an automatic valve of the dust removing flue is opened to discharge smoke generated by wire feeding; when the wire feeding is completed, the wire 5 is drawn out by the wire feeding machine 4, the automatic valve of the dust removing flue is closed, and the dust removing cover 1 is turned over and returned; before the molten steel in the vacuum tank is fed to the current station, the vacuum tank cover can smoothly move to another station for processing in a vacuum refining furnace; 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 invention can realize the dust removal of the wire feeding smoke without affecting the production rhythm of the existing vacuum refining furnace, meets the environmental protection requirement of clean production of factories and improves the operation environment of workers.
Example 2:
on the basis of the embodiment 1, the dust hood 1 comprises a dust hood shell 1-1, a rotary platform 1-2, a 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 hood shell 1-1, the right side of the dust hood shell 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 onto a workbench 7 through the driving mechanism base 1-14, an inlet of the dust removing flue 1-11 is connected with the dust removing port 1-15, and an outlet of the dust removing flue 1-11 is connected with an inlet of the dust removing flue 6. The wire feeding hole 1-9 allows the wire 5 to pass through, the dust removing port 1-15 discharges smoke dust generated by wire feeding by means of the dust removing flue 1-11, the driving mechanism 1-12 drives the rotary platform 1-2 to rotate between the standby position 8 and the working position 9 through the connecting rod 1-6, the rotary platform 1-2 is driven to rotate to the working position 9 after the driving mechanism 1-12 is retracted, and the rotary platform 1-12 is driven to rotate to the standby position 8 after the driving mechanism 1-12 is pushed out; the rotary platform 1-12 is provided with a fixing frame of the dust removing flue 1-11 to install the dust removing flue 1-11. Under the condition of not affecting the production rhythm of the existing vacuum refining furnace, a wire feeding dust hood 1 capable of being turned over is arranged. When wire feeding is needed, the dust hood 1 is buckled on the ladle 2, the dust removing flue 1-11 is communicated with a factory dust removing system, the wire feeder 4 feeds the molten steel in the ladle 2 through wire feeding holes 1-9 of the dust hood 1, generated wire feeding smoke is discharged from the dust removing flue 1-11, after wire feeding is finished, the wire feeding and feeding pipe is rotated back to the waiting machine position 8, the dust hood 1 is rotated back to the waiting machine position 8, and the vacuum refining furnace can perform alternate molten steel treatment on two vacuum production stations; the structure is simple, and the rhythm of alternate treatment between two stations of the vacuum refining furnace is ensured.
The outlet of the dust removing flue 1-11 is provided with a dust removing movable cover plate 1-3 and a dust removing cover plate positioning block 1-4. When the wire feeding is completed, the wire feeding tube 4-1 of the wire feeding machine 4 rotates back to the waiting machine position from the wire feeding hole 1-9, an automatic valve on the dust removing flue 6 is closed, the dust removing cover shell 1-1 rotates back to the waiting machine position from the working position, and when the dust removing cover shell 1-1 rotates back to the waiting machine position, the dust removing movable cover plate 1-3 is in a free state, and the position is limited by the dust removing cover plate positioning block 1-4; when the wire feeding tube 4-1 rotates back to the waiting machine 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; is used for preventing the leakage of the wire feeding smoke.
The dust hood 1 further comprises a damping block 1-5, a damper 1-7 and a damping rack 1-8, the side face of the rotary platform 1-2 is connected with the damping block 1-5, the lower part of the rotary platform 1-2 is connected with the workbench 7 through the damping rack 1-8, the damper 1-7 is connected to the upper surface of the damping rack 1-8, and the damper 1-7 is in touch connection with the damping block 1-5. The shock absorber 1-7 and the shock absorber block 1-5 are contacted to reduce vibration, adverse effects of the vibration are eliminated after collision and contact, and stability of the device is improved.
The dust hood 1 further comprises a hinge 1-10, and the right surface of the dust hood 1-1 is connected with the upper part of the rotary platform 1-2 through the hinge 1-10. By means of the connection of the hinge 1-10 to the rotary platform 1-2, a position adjustment is allowed for the snap-fit with the ladle 2.
Example 3:
on the basis of embodiment 2, the wire feeder 4 comprises a wire feeding tube 4-1, a movable cover plate 4-2 and a cover plate positioning block 4-3, a wire 5 is positioned in the wire feeding tube 4-1, the right end of the wire 5 penetrates out of the right end of the wire feeding tube 4-1, and the movable cover plate 4-2 and the cover plate positioning block 4-3 are connected to the outside of the wire feeding tube 4-1. Is used for preventing the leakage of the wire feeding smoke.
Example 4:
on the basis of embodiment 3, the dust removal flue 6 is provided with an automatic valve. The dust removing flue 6 is provided with an automatic valve, the dust removing system is opened and closed through the automatic valve, and the dust removing 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 1-12 are electro-hydraulic push rods, electric cylinders or hydraulic cylinders. Simple and stable structure and low cost.
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 induction 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:
based on the embodiment 5, the ladle wire feeding and dust removing method for the vacuum refining furnace comprises the following specific steps: when wire feeding is needed, the dust removing housing 1-1 is buckled on the ladle 2, the dust removing flue 1-11 is communicated with a factory dust removing system, the wire feeder 4 feeds the molten steel in the ladle 2 through the wire feeding holes 1-9 of the dust removing housing 1, and generated wire feeding smoke is discharged from the dust removing flue 1-11; when the wire feeding is completed, the wire feeding pipe 4-1 of the wire feeding machine 4 is rotated back to the waiting position, and the dust hood 1 is rotated back to the waiting position.
The ladle wire feeding and dedusting method for the vacuum refining furnace comprises the following specific steps:
after the vacuum refining furnace finishes molten steel vacuum treatment at the current treatment station, moving the vacuum tank cover to another station of the vacuum tank 3 which is filled with the ladle 2 again, and carrying out molten steel vacuum treatment in the new station;
when 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 put into molten steel contained in the steel ladle 2 through the dust hood 1-1, and an automatic valve on the dust removing flue 6 is opened to discharge smoke dust generated by wire feeding;
when the dust removing housing 1-1 rotates to a working position, the outlet of the dust removing flue 1-11 is inserted into the inlet of the dust removing flue 6, and the dust removing movable cover plate 1-3 is buckled with the dust removing flue 6 for preventing the leakage of the wire feeding flue gas. When the wire feeding tube 4-1 rotates to a working position, the outlet of the wire feeding tube 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 to prevent the leakage of wire feeding smoke;
when the wire feeding is completed, the wire feeding tube 4-1 of the wire feeding machine 4 rotates from the wire feeding hole 1-9 back to the waiting machine position 8, the automatic valve on the dust removing flue 6 is closed, and the dust removing housing 1-1 rotates from the working position 9 back to the waiting machine position 8; when the dust removing housing 1-1 rotates back to the waiting machine 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 feed pipe 4-1 rotates back to the waiting 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 invention can realize the dust removal of the wire feeding smoke without affecting the production rhythm of the existing vacuum refining furnace, meets the environmental protection requirement of clean production of factories and improves the operation environment of workers.
In the description of the present invention, it should be understood that, if any, the terms "upper," "inner," and the like indicate an orientation or a positional relationship based on that shown in the drawings, rather than indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms describing the positional relationship in the drawings are for illustration only and are not to be construed as limiting the present patent.
The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a ladle wire feed dust collector for vacuum refining stove which characterized in that: the device comprises a dust hood (1), a steel ladle (2), a vacuum tank (3), a wire feeding machine (4), wires (5) and a dust removing 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 wires (5) and the wire feeding machine (4) is connected onto the workbench (7), wire feeding holes (1-9) and dust removing openings (1-15) are formed in the left part of the dust hood (1), one end of each wire (5) penetrates through each wire feeding hole (1-9), and each dust removing opening (1-15) is connected with the dust removing flue (6); the dust hood (1) comprises a dust hood shell (1-1), a rotary platform (1-2), a 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 hood shell (1-1), the right surface of the dust hood shell (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 onto the workbench (7) through the driving mechanism base (1-14), an inlet of the dust removing flue (1-11) is connected with the dust removing port (1-15), and an outlet of the dust removing flue (1-11) is connected with an inlet of the dust removing flue (6); the dust hood (1) further comprises a damping block (1-5), a damper (1-7) and a damping rack (1-8), the side face of the rotary platform (1-2) is connected with the damping block (1-5), the lower part of the rotary platform (1-2) is connected with the workbench (7) through the damping rack (1-8), the damper (1-7) is connected with the upper surface of the damping rack (1-8), and the damper (1-7) is in touch connection with the damping block (1-5); the driving mechanism (1-12) is provided with a detection mechanism (1-13), and the detection mechanism (1-13) is one of a mechanical limit switch, a photoelectric induction limit switch and a laser displacement sensor.
2. The ladle wire feed dust removal device for a vacuum refining furnace as set forth in claim 1, wherein: the outlet of the dust removing flue (1-11) is provided with a dust removing movable cover plate (1-3) and a dust removing cover plate positioning block (1-4).
3. The ladle wire feed dust removal device for a vacuum refining furnace as set forth in claim 1, wherein: the dust hood (1) further comprises a hinge (1-10), and the right surface of the dust hood (1-1) is connected with the upper part of the rotary platform (1-2) through the hinge (1-10).
4. The ladle wire feed dust removal device for a vacuum refining furnace as set forth in claim 1, wherein: the wire feeding machine (4) comprises a wire feeding tube (4-1), a movable cover plate (4-2) and a cover plate positioning block (4-3), a wire (5) is positioned in the wire feeding tube (4-1), the right end of the wire (5) penetrates out of the right end of the wire feeding tube (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 tube (4-1).
5. The ladle wire feed dust removal device for a vacuum refining furnace as set forth in claim 1, wherein: an automatic valve is arranged on the dust removing flue (6).
6. The ladle wire feed dust removal device for a vacuum refining furnace as set forth in claim 1, wherein: the driving mechanism (1-12) is an electrohydraulic push rod, an electric cylinder or a hydraulic cylinder.
7. A dust removing method based on the ladle wire feeding dust removing device for the vacuum refining furnace as defined in any one of claims 1 to 6, which is characterized in that: the method comprises the following specific steps: when wire feeding is needed, the dust removing cover shell (1-1) is buckled on the steel ladle (2), the dust removing flue (1-11) is communicated with the factory dust removing system, the wire feeding machine (4) feeds the molten steel in the steel ladle (2) through the wire feeding hole (1-9) of the dust removing cover (1), and generated wire feeding smoke is discharged from the dust removing flue (1-11); when the wire feeding is completed, the wire feeding pipe (4-1) of the wire feeding machine (4) is rotated back to the waiting position, and the dust hood (1) is rotated back to the waiting position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406210.6A CN111575445B (en) | 2020-05-14 | 2020-05-14 | Ladle wire feeding and dust removing device and method for vacuum refining furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406210.6A CN111575445B (en) | 2020-05-14 | 2020-05-14 | Ladle wire feeding and dust removing device and method for vacuum refining furnace |
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| CN111575445A CN111575445A (en) | 2020-08-25 |
| CN111575445B true CN111575445B (en) | 2024-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112877506A (en) * | 2021-01-07 | 2021-06-01 | 中国重型机械研究院股份公司 | RH turntable type steel ladle receiving and vacuum tank dip pipe maintenance device and method |
| CN113502378A (en) * | 2021-07-16 | 2021-10-15 | 鞍钢集团工程技术有限公司 | RH vacuum treatment and wire feeding system and online wire feeding method |
| CN114807519A (en) * | 2022-06-14 | 2022-07-29 | 浙江杭真能源科技股份有限公司 | Vacuum refining furnace with dust removal function |
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