Protection device for preventing tundish sliding block quick-changing mechanism from splashing steel

Abstract

The utility model discloses a protection device for preventing a tundish sliding block quick-changing mechanism from splashing steel, belongs to the technical field of steelmaking equipment, and is used for preventing the tundish sliding block quick-changing mechanism from splashing steel. According to the technical scheme, the protective cover is composed of a top plate, two side plates, two bottom plates and a rear panel, the two side plates are perpendicularly connected to the two sides of the top plate, the two bottom plates are perpendicularly connected to the opposite inner sides of the two side plates, and the rear panel is connected to one end of the protective cover in a closed mode. The length and the width of a top plate of the protective cover are matched with those of the upper guide plate and the lower slide way respectively, the height of a side plate of the protective cover is matched with the distance between the upper guide plate and the lower slide way, one end of the connecting rod is perpendicularly connected to the outside of the rear panel, and the other end of the connecting rod is connected with the grip. The device is simple in structure and convenient to use, prevents the upper guide plate and the lower slide way from adhering steel, avoids the operation process of removing the adhered steel of the upper guide plate and the lower slide way for a long time in a high-temperature severe environment, shortens the operation time of replacing the slide block, and greatly improves the operation efficiency.

Description

Technical Field

[0001] This utility model relates to a protective device for preventing steel splashing in the quick-change mechanism of the tundish slide during steelmaking production, and belongs to the technical field of steelmaking equipment. Background Technology

[0002] The tundish is a crucial piece of equipment in the continuous casting process of steelmaking. Its main function is to control the flow rate of molten steel within the tundish through its slide block quick-change mechanism. The molten steel flow rate is controlled by changing the slide block. The slide block quick-change mechanism includes an upper guide plate, an inlet nozzle and nozzle seat brick mounted on the upper guide plate, the slide block, left and right sliding tracks, and the upper guide plate and sliding track assembly. Before changing the slide block, it is essential to ensure that the upper guide plate and sliding tracks are free of adhering steel and other foreign objects to guarantee that the slide block moves accurately to the pouring position without obstruction during the sliding track replacement process.

[0003] Currently, the upper guide plate and lower slide of the quick-change mechanism in the continuous casting process lack splash protection. During the opening of the gating process and the replacement of the submerged entry nozzle, splashed molten steel adheres to the upper guide plate and lower slide. When changing the slide, this adhered steel needs to be addressed. If the adhesion is minor, a flat chisel or pry bar can be used; however, if the adhesion is severe, oxygen tubing is necessary. These methods are inconvenient, time-consuming when the adhesion is severe, and prone to failing to remove small-diameter adhered steel particles, potentially causing steel spikes during slide replacement. Therefore, it is essential to provide a splash protection device for the quick-change mechanism. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a protective device to prevent steel splashing in the tundish slide quick-change mechanism. This protective device can prevent splashed steel from falling onto the upper guide plate and lower slide of the slide quick-change mechanism, eliminating the need for operators to clean up sticky steel for a long time in a high-temperature and harsh environment. It can also prevent serious steel spike accidents and ensure the stable and smooth operation of continuous casting production.

[0005] The technical solution to the above technical problem is:

[0006] A protective device for preventing steel splashing from a quick-change mechanism for an intermediate ladle slider includes a protective cover, a connecting rod, and a handle. The protective cover consists of a top plate, two side plates, two bottom plates, and a rear panel. The top plate, side plates, bottom plates, and rear panel are all rectangular plates. The two side plates are vertically connected to both sides of the top plate, and the two bottom plates are vertically connected to the opposite inner sides of the lower ends of the two side plates. The two bottom plates are parallel to the top plate. The rear panel is closed and connected to one end of the protective cover. The length and width of the top plate of the protective cover match the length and width of the upper guide plate and the lower slide rail, respectively. The height of the side plates of the protective cover matches the distance between the upper guide plate and the lower slide rail. One end of the connecting rod is vertically connected to the outside of the rear panel, and the other end of the connecting rod is connected to the handle.

[0007] The aforementioned protective device for preventing steel splashing from the intermediate ladle slider quick-change mechanism includes a protective cover placed between the upper guide plate and the lower slide rail. The side plate of the protective cover is in close contact with the slider, the top plate of the protective cover is in close contact with the upper guide plate without gaps, and the bottom plate of the protective cover is in close contact with the lower slide rail.

[0008] The beneficial effects of this utility model are:

[0009] This utility model, together with the upper guide plate and the lower slide, forms a sealed space to prevent molten steel from splashing into the progress slider quick-change mechanism during the opening of the pouring process and the replacement of the immersion nozzle. When replacing the slider, this utility model can be taken out for subsequent operations to complete the slider replacement operation.

[0010] This utility model has a simple structure and is easy to use. It avoids steel sticking to the upper guide plate and lower slide, eliminates the need for a long time to clean the sticking steel in the upper guide plate and lower slide in a high-temperature and harsh environment, shortens the time for changing the slider, greatly improves the work efficiency, and avoids steel spike accidents caused by inadequate cleaning of the slider quick change mechanism, thus ensuring the safety of personnel and equipment. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 yes Figure 1 Side view;

[0013] Figure 3 yes Figure 1 Top view;

[0014] Figure 4 This is a side view of the utility model in use;

[0015] Figure 5 This is an assembly drawing of the utility model and the quick-change mechanism for the intermediate tundish slider;

[0016] Figure 6 This is a schematic diagram of the intermediate tundish slider quick-change mechanism;

[0017] The markings in the diagram are as follows: 1. Protective cover; 2. Top plate; 3. Side plate; 4. Bottom plate; 5. Rear panel; 6. Connecting rod; 7. Handle; 8. Upper guide plate; 9. Lower slide; 10. Slider; 11. Immersion inlet; 12. Inlet seat brick; 13. Intermediate steel shell; 14. Detailed Implementation

[0018] This utility model consists of a protective cover 1, a connecting rod 6, and a handle 7.

[0019] Figure 1 , 2 As shown in Figure 3, the protective cover 1 consists of a top plate 2, two side plates 3, two bottom plates 4, and a rear panel 5. The top plate 2, side plates 3, bottom plates 4, and rear panel 5 are all rectangular plates. The two side plates 3 are vertically connected to both sides of the top plate 2, and the two bottom plates 4 are vertically connected to the opposite inner sides of the lower ends of the two side plates 3. The two bottom plates 4 are parallel to the top plate 2. The rear panel 5 is closed and connected to one end of the protective cover 1. One end of the connecting rod 6 is vertically connected to the outside of the rear panel 5, and the other end of the connecting rod 6 is connected to a handle 7.

[0020] Figure 1 , 2 As shown in Figure 3, the length and width of the top plate 2 of the protective cover 1 are matched with the length and width of the upper guide plate 8 and the lower slide 9, respectively, and the height of the side plate 3 of the protective cover 1 is matched with the distance between the upper guide plate 8 and the lower slide 9.

[0021] Figure 4 The protective cover 1 is placed between the upper guide plate 8 and the lower slide 9. The side plate 3 of the protective cover 1 is in close contact with the slider 10. The top plate 2 of the protective cover 1 is in close contact with the upper guide plate 8 without gaps. The bottom plate 4 of the protective cover 1 is in close contact with the lower slide 9.

[0022] In use, the space formed by this utility model, the upper guide plate 8, and the lower slide 9 is sealed, preventing molten steel from splashing into the slide block quick-change mechanism during pouring and immersion nozzle replacement. When replacing slide block 10, the operator removes this utility model to perform subsequent operations and complete the replacement of slide block 10.

[0023] An embodiment of this utility model is as follows:

[0024] The top plate 2 of the protective cover 1 is 135mm long, 125mm wide, and 5mm thick;

[0025] The side plate 3 of the protective cover 1 is 135mm long, 40mm wide, and 5mm thick;

[0026] The base plate 4 of the protective cover 1 is 135mm long, 15mm wide, and 5mm thick;

[0027] The rear panel 5 of the protective cover 1 is 125mm long, 40mm wide, and 5mm thick;

[0028] The diameter of connecting rod 6 is 13mm and its length is 450mm;

[0029] The grip 7 has a diameter of 20mm and a length of 140mm.

[0030] This utility model is applicable to quick-change mechanisms for intermediate tundish sliders, such as type D and type F.

Claims

1. A protective device for preventing steel splashing from a quick-change mechanism for a tundish slide block, characterized in that: It includes a protective cover (1), a connecting rod (6), and a handle (7). The protective cover (1) consists of a top plate (2), two side plates (3), two bottom plates (4), and a rear panel (5). The top plate (2), side plates (3), bottom plates (4), and rear panel (5) are rectangular plates. The two side plates (3) are vertically connected to the two sides of the top plate (2). The two bottom plates (4) are vertically connected to the opposite inner sides of the lower ends of the two side plates (3). The two bottom plates (4) are parallel to the top plate (2). The rear panel (5) is closed and connected to one end of the protective cover (1). The length and width of the top plate (2) of the protective cover (1) are matched with the length and width of the upper guide plate (8) and the lower slide (9), respectively. The height of the side plates (3) of the protective cover (1) is matched with the distance between the upper guide plate (8) and the lower slide (9). One end of the connecting rod (6) is vertically connected to the outside of the rear panel (5), and the other end of the connecting rod (6) is connected to the handle (7).

2. The protective device for preventing steel splashing from the tundish slide quick-change mechanism according to claim 1, characterized in that: The protective cover (1) is placed between the upper guide plate (8) and the lower slide (9). The side plate (3) of the protective cover (1) is in close contact with the slider (10). The top plate (2) of the protective cover (1) is in close contact with the upper guide plate (8) without gaps. The bottom plate (4) of the protective cover (1) is in close contact with the lower slide (9).

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