Special-shaped KR desulfurization slagging-off plate

By designing a special-shaped KR desulfurization slag strip plate, using trapezoidal and rectangular structures, as well as the side and lower plates with angle welded angles, the problem of slag stripping dead zone is solved, and the efficiency of slag stripping is improved and the cost is reduced.

CN222160219UActive Publication Date: 2024-12-13SHOUGANG SHUICHENG IRON & STEEL GRP
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Patent Information

Application Number
CN202420784272.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2024-12-13
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

There is a one-fifth of the slag-removing and desulphurization plate in the existing KR desulphurization plate during the process of overturning the slag in the iron tank, which makes it difficult to completely remove the desulphurization slag, which increases the time and treatment cost of desulphurization.

Method used

A special-shaped KR desulfurization and slag strip plate was designed, including the main board, side board and lower board. The main board part is trapezoidal and the lower part is rectangular. The side board is welded at a certain angle with the front of the main board and the lower board and the back of the main board, and the rectangular pin hole is set. To connect the slag stripper, the angle between the side plate and the motherboard is 90° to 180°, and the angle between the lower plate and the motherboard is 135° to 180°, reducing the dead area of ​​the slag strip.

Benefits of technology

It effectively shortens the slag removal time, reduces the treatment cycle and iron loss cost, and improves the slag removal efficiency and treatment efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A special-shaped KR desulfurization slagging-off plate comprises a main plate, two rectangular side plates and a lower plate, the upper portion of the main plate is trapezoidal, the lower portion of the main plate is rectangular, the two side plates are located on the two sides of the main plate, the side plates and the front face of the main plate are welded at a certain angle, and the lower plate is trapezoidal. The lower plate is located at the bottom of the main plate and welded to the back face of the main plate at a certain angle, the main plate is further provided with two rectangular pin holes used for being connected with a crawler loader, and by arranging the main plate, the side plates folded inwards and the lower plate turned outwards, the area of a crawler dead zone is effectively reduced, the crawler bright face is improved, the crawler time is effectively shortened, and the treatment period is shortened; the treatment efficiency is improved, the iron loss is effectively reduced, the iron loss cost is reduced, and the slagging-off plate is simple, reliable and low in cost.
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Description

Technical Field

[0001] The utility model relates to the technical field of steelmaking KR desulfurization equipment, in particular to a special-shaped KR desulfurization slag stripping plate. Background Art

[0002] KR desulphurization slag scraper plate is a key and necessary spare part for KR molten iron pretreatment. It is installed on the mechanical transmission cantilever of the slag scraper system. When scraping, the slag scraper plate is immersed to a certain depth on the surface of the molten iron. The slag scraper arm is controlled by the slag scraper to move forward, backward, tilt and rotate, and moves straight or curved, up and down along the molten iron surface to scrape out the pre-treated desulphurization slag or blast furnace front slag floating on the molten iron surface in the molten iron ladle one by one.

[0003] Most of the existing slag removal plates have simple structures. During the slag removal process when the molten iron ladle is tilted, there is a one-fifth dead zone for slag removal. During the slag removal process, the desulfurization slag floats to the dead zone and is difficult to remove, which increases the slag removal time and causes the problem of unclean slag removal. In order to eliminate the problem of dead zone for slag removal, domestic and foreign steel companies have developed many similar integrated innovative technologies, mainly including molten iron ladle side blowing slag gathering technology, air blowing slag removal technology, and surging slag removal technology. Although these technologies can solve the problem of dead zone for slag removal and improve the slag removal efficiency, this type of technical equipment is relatively complex and increases the processing cost of the process. Utility Model Content

[0004] In order to solve the problems mentioned in the above background technology, the utility model provides a special-shaped KR desulfurization slag stripping plate.

[0005] The utility model discloses the following technical scheme: a special-shaped KR desulfurization slag stripping plate, comprising a main board, a side board and a lower board, wherein the upper part of the main board is trapezoidal, and the lower part is rectangular, the side board is rectangular, and the side board is composed of two pieces located on both sides of the main board, and the side board is welded to the front side of the main board at a certain angle, and the lower board is trapezoidal, and the lower board is located at the bottom of the main board and welded to the back side of the main board at a certain angle.

[0006] Furthermore, two rectangular pin holes are provided on the main board.

[0007] Furthermore, the angle between the side panel and the front of the main board is 90° to 180°.

[0008] Furthermore, the angle between the lower plate and the back of the main board is 135° to 180°.

[0009] Beneficial effects: Compared with the prior art, the special-shaped KR desulfurization slag removal plate of the utility model effectively reduces the area of ​​the slag removal dead zone, improves the slag removal bright surface, effectively shortens the slag removal time, reduces the processing cycle, improves the processing efficiency, effectively reduces iron loss, and reduces iron loss cost by setting a main board, inward folded side plates and outward turned lower plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The overall structure diagram of the utility model is as follows:

[0011] In the figure: 1-main board, 2-side board, 3-lower board, 4-pin hole. DETAILED DESCRIPTION

[0012] like Figure 1 As shown, a special-shaped KR desulfurization slag stripping plate includes a main board 1, a side board 2 and a lower board 3. The upper part of the main board 1 is trapezoidal, and the lower part is rectangular. The side board 2 is rectangular. The side board 2 is composed of two pieces located on both sides of the main board 1. The side board 2 is welded to the front side of the main board 1 at a certain angle. The lower board 3 is trapezoidal. The lower board 3 is located at the bottom of the main board 1 and is welded to the back side of the main board 1 at a certain angle.

[0013] The main board 1 is also provided with two rectangular pin holes 4 for cooperating with positioning pins to connect the scraper; the angle between the side panel 2 and the front of the main board 1 is 90° to 180°; the angle between the lower panel 3 and the back of the main board 1 is 135° to 180°.

[0014] The upper part of the main board 1 is a trapezoid with an upper bottom length of 450mm, a lower bottom length of 550mm, and a height of 400mm. The lower part of the main board 1 is a rectangle with a length of 550mm and a width of 400mm. The upper bottom of the lower plate 3 is 550mm long, the lower bottom length is 550mm to 600mm, and the height is 200mm to 400mm.

[0015] When in use, the slag scraper plate is connected to the slag scraper through the pin hole 4 and the pin shaft on the main board 1. Due to the side plate 2 and the lower plate 3 welded on the slag scraper plate, the slag scraper plate can effectively reduce the area of ​​the slag scraping dead zone, effectively shorten the slag scraping time, reduce the processing cycle, and improve the efficiency. The slag scraper plate is simple, reliable and low in cost.

[0016] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A special-shaped KR desulfurization slag removal plate, comprising a main plate (1), a side plate (2) and a lower plate (3), Features: The upper part of the main board (1) is trapezoidal, and the lower part is rectangular; the side panel (2) is rectangular; the side panel (2) is composed of two pieces located on both sides of the main board (1); the side panel (2) is welded to the front of the main board (1) at a certain angle; the lower panel (3) is trapezoidal; the lower panel (3) is located at the bottom of the main board (1) and is welded to the back of the main board (1) at a certain angle.

2. The special-shaped KR desulfurization slag plate according to claim 1, Features: The main board (1) is also provided with two rectangular pin holes (4).

3. The special-shaped KR desulfurization slag plate according to claim 1, Features: The included angle between the side panel (2) and the front face of the main panel (1) is 90° to 180°.

4. The special-shaped KR desulfurization slag plate according to claim 1, Features: The included angle between the lower plate (3) and the back surface of the main plate (1) is 135° to 180°.