CN220329971U - Low-cost ladle slag scooping device - Google Patents
Low-cost ladle slag scooping device Download PDFInfo
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- CN220329971U CN220329971U CN202320456126.4U CN202320456126U CN220329971U CN 220329971 U CN220329971 U CN 220329971U CN 202320456126 U CN202320456126 U CN 202320456126U CN 220329971 U CN220329971 U CN 220329971U
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- slag
- plate
- slag extractor
- ladle
- extractor
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- 239000002893 slag Substances 0.000 title claims abstract description 122
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model relates to the technical field of steel smelting, and provides a low-cost ladle slag extractor, which comprises a slag extractor, and is characterized in that: the slag extractor further comprises a lifting frame which is lifted between the converter platform and the buggy ladle track and has lifting freedom degree, and a positioning plate which is arranged below the lifting frame and is detachably connected with the lifting frame, a group of slag extractor is arranged below the positioning plate, an observation hole for checking the position of the slag extractor is formed in the converter platform, and the slag extractor comprises a slag extractor disc with a middle portion recessed downwards, and a connecting rod with the lower end connected with the slag extractor disc and the upper end connected with the positioning plate. Solves the problems of large occupied space of the whole equipment of the molten steel slag remover in the related technology, and time and labor waste in maintenance and replacement.
Description
Technical Field
The utility model relates to the technical field of steel smelting, in particular to a low-cost ladle slag extractor.
Background
In the tapping process of the converter, a large amount of slag is discharged occasionally due to untimely slag blocking or slag blocking cone material resistance and other reasons, the molten steel rephosphorization can be caused by the large amount of slag discharge, the alloy yield is reduced, the inclusion in the steel is increased, the cleanliness of the molten steel is reduced, the refining white slag making time is prolonged, and the production rhythm is adversely affected. The existing molten steel slag remover generally comprises a mobile trolley, a mechanical arm connected with the mobile trolley and a slag remover connected with the mechanical arm, when slag is required to be removed, the mobile trolley is moved to the periphery of a steel ladle, the mechanical arm is utilized to drive the slag remover to lift to complete the slag removing process, the whole equipment occupies large space, and maintenance and replacement are time-consuming and labor-consuming. In addition, maintenance costs are high.
Disclosure of Invention
The utility model provides a low-cost ladle slag extractor, which solves the problems of large occupied space of the whole equipment of the ladle slag extractor in the related technology and time and labor waste in maintenance and replacement.
The technical scheme of the utility model is as follows: the utility model provides a low-cost ladle sediment drags for ware, includes drags for sediment ware, and the key lies in: the slag extractor further comprises a lifting frame which is lifted between the converter platform and the buggy ladle track and has lifting freedom degree, and a positioning plate which is arranged below the lifting frame and is detachably connected with the lifting frame, a group of slag extractor is arranged below the positioning plate, an observation hole for checking the position of the slag extractor is formed in the converter platform, and the slag extractor comprises a slag extractor disc with a middle portion recessed downwards, and a connecting rod with the lower end connected with the slag extractor disc and the upper end connected with the positioning plate.
The scooping device further comprises a winch arranged above the converter platform, a reversing wheel arranged above the converter platform and located right above the hoisting frame, and a steel wire rope, wherein a through hole is formed in the position, corresponding to the reversing wheel, on the converter platform, one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope bypasses the reversing wheel and penetrates through the through hole to be connected with the hoisting frame.
The hoisting frame comprises a hoisting plate, a hanging plate fixed at the center of the upper end of the hoisting plate, and a reinforcing rod connected between the hoisting plate and the hanging plate, wherein the lower end of the steel wire rope is connected with the hanging plate, and the positioning plate is detachably connected with the hoisting plate.
A group of screws are fixed at the lower end of the hoisting frame, each screw is in threaded connection with an upper limit nut and a lower limit nut, a locating plate is inserted with the screws and forms sliding fit, and the locating plate is clamped between the upper limit nut and the lower limit nut.
The upper end of the connecting rod is in threaded connection with the locating plate.
And fire-resistant layers are arranged on the peripheries of the slag dragging plate and the connecting rod.
The thickness of the refractory layer is 12-18mm.
And a slag-sticking preventing coating is arranged on the periphery of the refractory layer.
The connecting rod and the slag dragging plate are of an integrated structure.
The working principle and the beneficial effects of the utility model are as follows: a lifting frame is arranged between a converter platform and a buggy ladle track, a positioning plate is detachably connected below the lifting frame, a group of slag scooping devices are arranged below the positioning plate, an observation hole for checking the positions of the slag scooping devices is formed in the converter platform, and the slag scooping devices comprise slag scooping plates with middle parts recessed downwards and connecting rods with the lower ends connected with the slag scooping plates and the upper ends connected with the positioning plate. After tapping and slag discharging, the ladle car carrying the ladle is driven to the lower part of the ladle slag extractor, an operator lowers the ladle slag extractor, the position and the lowering depth are adjusted through the observation hole, the ladle slag extractor is slowly lowered after the ladle slag extractor is aligned in place, steel slag in the ladle is prevented from being turned out of the ladle, the ladle slag extractor is ensured to be completely immersed into ladle slag, and the depth adjustment is carried out according to the slag discharging amount, but molten steel is prevented from entering the upper part of the ladle slag extractor. The slag extractor can be lifted up after ten seconds and is tightened at the bottom of the converter platform, after the ladle leaves, the slag extractor is lowered onto an empty ladle car, the locating plate and the slag extractor are separated from the lifting plate, and the slag extractor is dragged to a slag field behind the converter for cleaning, and meanwhile, the locating plate and the slag extractor are replaced. The slag scooping device can be lifted and stored, occupies small space, does not affect normal production, can be quickly replaced by disassembling and assembling the positioning plate in the use process, can improve the slag scooping effect, and is simple in structure and convenient to operate.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic structural view of the slag extractor of the present utility model.
Fig. 3 is an enlarged view of a in fig. 1.
Fig. 4 is a schematic diagram of a connection structure between a positioning plate and a lifting frame in the present utility model.
FIG. 5 is a schematic diagram of a connection structure of the slag extractor and the locating plate in the present utility model.
In the figure: 1. 1-1 parts of slag scooping device, 1-2 parts of connecting rod, 2 parts of converter platform, 3 parts of buggy ladle track, 4 parts of lifting frame, 4-1 parts of lifting plate, 4-2 parts of hanging plate, 4-3 parts of reinforcing rod, 5 parts of locating plate, 6 parts of observation hole, 7 parts of winch, 8 parts of reversing wheel, 9 parts of steel wire rope, 10 parts of screw rod, 11 parts of upper limit nut, 12 parts of lower limit nut, 13 parts of refractory layer, 14 parts of buggy ladle, 15 parts of buggy ladle and steel ladle.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are intended to be encompassed within the scope of the present utility model.
The embodiment is shown in fig. 1, 2, 3 and 5, a low-cost ladle slag scooping device comprises a slag scooping device 1, and further comprises a lifting frame 4 which is hung between a converter platform 2 and a ladle car track 3 and has lifting freedom degrees, and a positioning plate 5 which is arranged below the lifting frame 4 and is detachably connected with the lifting frame 4, wherein a group of slag scooping devices 1 are arranged below the positioning plate 5, an observation hole 6 for checking the positions of the slag scooping devices is formed in the converter platform 2, and the slag scooping devices 1 comprise a slag scooping disc 1-1 with a middle part recessed downwards, and a connecting rod 1-2 with the lower end connected with the slag scooping disc 1-1 and the upper end connected with the positioning plate 5.
As a further improvement of the utility model, the scooping device also comprises a winch 7 arranged above the converter platform 2, a reversing wheel 8 arranged above the converter platform 2 and right above the hoisting frame 4, and a steel wire rope 9, wherein a through hole is formed in the converter platform 2 at a position corresponding to the reversing wheel 8, one end of the steel wire rope 9 is connected with the winch 7, and the other end bypasses the reversing wheel 8 and passes through the through hole to be connected with the hoisting frame 4. As shown in fig. 1 and 3, when the hoist 7 winds up the steel wire rope 9, the steel wire rope 9 drives the positioning plate 5 and the slag extractor 1 to synchronously rise through the hoisting frame 4, and when the hoist 7 unwinds the steel wire rope 9, the positioning plate 5 and the slag extractor 1 synchronously descend, so that the device has a simple structure, is convenient and quick to adjust, and saves time and labor.
As a further improvement of the present utility model, the hanger 4 includes a hanger plate 4-1, a hanger plate 4-2 fixed at the center of the upper end of the hanger plate 4-1, and a reinforcing bar 4-3 connected between the hanger plate 4-1 and the hanger plate 4-2, the lower end of the wire rope 9 is connected with the hanger plate 4-2, and the positioning plate 5 is formed to be detachably connected with the hanger plate 4-1. As shown in fig. 1 and 4, the hanging plate 4-1 and the hanging plate 4-2 are connected by utilizing the four reinforcing rods 4-3, so that the connection between the hanging plate 4-1 and the hanging plate 4-2 is firmer and more reliable, the hanging ring is arranged at the upper end of the hanging plate 4-2, the hanging hook is arranged at the lower end of the steel wire rope 9, and the hanging hook at the lower end of the steel wire rope 9 is hung on the hanging ring at the upper end of the hanging plate 4-2 during installation, so that the hanging plate is simple in structure and convenient to disassemble and assemble.
As a further improvement of the utility model, a group of screw rods 10 are fixed at the lower end of the hoisting frame 4, each screw rod 10 is in threaded connection with an upper limit nut 11 and a lower limit nut 12, the locating plate 5 is spliced with the screw rods 10 and forms sliding fit, and the locating plate 5 is clamped between the upper limit nut 11 and the lower limit nut 12. As shown in fig. 4, four screws 10 are uniformly arranged at the lower end of the hoisting frame 4 along the circumferential direction, the screws 10 are spliced with the positioning plate 5, the upper limit nuts 11 and the lower limit nuts 12 are matched to clamp and limit the positioning plate 5, when the hoisting frame is disassembled, the lower limit nuts 12 are only required to be separated from the screws 10, then the positioning plate 5 is disassembled, then the next positioning plate 5 with the slag extractor 1 is assembled, and then the lower limit nuts 12 are in threaded connection with the screws 10 to clamp the positioning plate 5. The spacing between the upper limit nut 11 and the lower limit nut 12 can be changed by changing the upper and lower positions of the upper limit nut 11 and the lower limit nut 12, and the device is simple in structure, convenient and quick to assemble and disassemble, and time-saving and labor-saving.
As a further improvement of the utility model, the upper ends of the connecting rods 1-2 are screwed with the positioning plate 5. When a certain slag extractor 1 is damaged and cannot be used, only the damaged slag extractor 1 needs to be replaced, the positioning plate 5 and all the slag extractors 1 do not need to be scrapped, the connection is firm and reliable, the disassembly and the assembly are convenient and rapid, and the time and the labor are saved.
As a further improvement of the utility model, a fire-resistant layer 13 is arranged at the periphery of the slag scooping disc 1-1 and the connecting rod 1-2. As shown in fig. 2, in the use process, under the action of the self refractory layer 13, the bottom of the slag extractor 1 can be contacted with molten steel in the ladle 15, so that the service life is long.
As a further improvement of the utility model, the thickness of the refractory layer 13 is 12-18mm, and preferably 15mm, and is large enough to enable the slag scooper 1 to have a long enough service life without affecting the slag scooping effect of the slag scooper 1.
As a further improvement of the utility model, the anti-slag coating is arranged on the periphery of the refractory layer 13, so that after the slag extractor 1 is used, the steel slag is more easily stripped from the slag extractor 1, and the repeated use times of the slag extractor 1 can be increased.
When the slag dragging device is particularly used, the slag dragging device 1 is of an inverted mushroom structure, the positioning plate 5, the lifting plate 4-1, the slag dragging plate 1-1 and the connecting rod 1-2 are all made of Q345B low alloy steel plates, and the slag dragging device is convenient to obtain and low in cost. The diameters of the locating plate 5 and the lifting plate 4-1 are smaller than the diameter of the inner ring of the ladle 15, the distance between the locating plate 5 and the lifting plate 4-1 is 8-12cm, preferably 10cm, and the locating plate 5 and the lifting plate 4-1 are convenient to assemble and disassemble.
A lifting frame 4 is arranged between the converter platform 2 and the steel ladle car 14 track 3, a positioning plate 5 is detachably connected below the lifting frame 4, a group of slag scoopers 1 are arranged below the positioning plate 5, observation holes 6 for checking the positions of the slag scoopers 1 are formed in the converter platform 2, and the slag scoopers 1 comprise slag scooping trays 1-1 with the middle recessed downwards and connecting rods 1-2 with the lower ends connected with the slag scooping trays 1-1 and the upper ends connected with the positioning plate 5. After tapping and deslagging, the ladle car 14 carrying the ladle 15 is driven to the lower part of the ladle slag scooping device, an operator lowers the ladle slag scooping device 1 through the winch 7, the position and the lowering depth are adjusted through the observation hole 6, the ladle slag is slowly lowered after being aligned in place, steel slag in the ladle 15 is prevented from being turned out of the ladle 15, meanwhile, the ladle slag scooping device 1 is ensured to be completely immersed into ladle slag, depth adjustment is carried out according to the deslagging quantity, and molten steel is prevented from entering the upper part of the ladle slag scooping device 1. The slag extractor 1 can be lifted up after ten seconds and is tightened at the bottom of the converter platform 2, after the steel ladle 15 leaves, the slag extractor 1 is lowered onto an empty steel ladle car 14, the locating plate 5 and the slag extractor 1 are separated from the hoisting plate 4-1 by releasing the lower limit nut 12, and the slag is dragged to a slag field after the converter for cleaning, and meanwhile, the new locating plate 5 and the slag extractor 1 are replaced, so that the used slag extractor 1 can be cleaned easily after being cooled.
The slag remover 1 can be lifted and stored, the occupied space is small, normal production is not affected, the slag remover 1 can be quickly replaced by disassembling and assembling the locating plate 5 in the use process, the slag removing effect can be improved, the locating plate 5 and the slag remover 1 can be repeatedly used, the structure is simple, the operation is convenient, and the maintenance cost is low.
Claims (8)
1. The utility model provides a low-cost ladle sediment drags for ware, includes drags for sediment ware (1), its characterized in that: the slag remover further comprises a lifting frame (4) which is lifted between the converter platform (2) and the buggy ladle track (3) and has lifting freedom degree, and a positioning plate (5) which is arranged below the lifting frame (4) and is detachably connected with the lifting frame (4), a group of slag remover (1) is arranged below the positioning plate (5), an observation hole (6) for checking the position of the slag remover is formed in the converter platform (2), the slag remover (1) comprises a slag remover disc (1-1) with the middle being sunken downwards, and a connecting rod (1-2) with the lower end connected with the slag remover disc (1-1) and the upper end connected with the positioning plate (5).
2. The low cost ladle slag extractor as defined in claim 1, wherein: the fishing device further comprises a winch (7) arranged above the converter platform (2), a reversing wheel (8) arranged above the converter platform (2) and located right above the hoisting frame (4), and a steel wire rope (9), wherein a through hole is formed in the position, corresponding to the reversing wheel (8), on the converter platform (2), one end of the steel wire rope (9) is connected with the winch (7), and the other end of the steel wire rope bypasses the reversing wheel (8) and penetrates through the through hole to be connected with the hoisting frame (4).
3. The low cost ladle slag extractor as defined in claim 2 wherein: the hoisting frame (4) comprises a hoisting plate (4-1), a hanging plate (4-2) fixed at the center of the upper end of the hoisting plate (4-1), and a reinforcing rod (4-3) connected between the hoisting plate (4-1) and the hanging plate (4-2), wherein the lower end of a steel wire rope (9) is connected with the hanging plate (4-2), and a positioning plate (5) is detachably connected with the hoisting plate (4-1).
4. The low cost ladle slag extractor as defined in claim 1, wherein: a group of screws (10) are fixed at the lower end of the hoisting frame (4), each screw (10) is in threaded connection with an upper limit nut (11) and a lower limit nut (12), the locating plate (5) is inserted with the screw (10) and forms sliding fit, and the locating plate (5) is clamped between the upper limit nut (11) and the lower limit nut (12).
5. The low cost ladle slag extractor as defined in claim 1, wherein: the upper end of the connecting rod (1-2) is in threaded connection with the locating plate (5).
6. The low cost ladle slag extractor as defined in claim 1, wherein: the peripheries of the slag dragging plate (1-1) and the connecting rod (1-2) are provided with a fire-resistant layer (13).
7. The low cost ladle slag extractor as in claim 6, wherein: the thickness of the refractory layer (13) is 12-18mm.
8. The low cost ladle slag extractor as defined in claim 1, wherein: the periphery of the refractory layer (13) is provided with a slag-preventing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320456126.4U CN220329971U (en) | 2023-03-10 | 2023-03-10 | Low-cost ladle slag scooping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320456126.4U CN220329971U (en) | 2023-03-10 | 2023-03-10 | Low-cost ladle slag scooping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220329971U true CN220329971U (en) | 2024-01-12 |
Family
ID=89445092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320456126.4U Active CN220329971U (en) | 2023-03-10 | 2023-03-10 | Low-cost ladle slag scooping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220329971U (en) |
-
2023
- 2023-03-10 CN CN202320456126.4U patent/CN220329971U/en active Active
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