Tundish structure for steelmaking

Abstract

The utility model discloses a structure of a steelmaking tundish, which relates to the technical field of refractory materials. The structure of the steelmaking tundish includes a shell, a filtering component and an adjusting component. A stopper rod is arranged at the bottom of the shell. The filtering component is located on the shell and includes a connecting plate, a filtering plate and a clamping plate. The connecting plate is fixedly connected inside the shell, and the filtering plate is arranged on the connecting plate. The adjusting component is located inside the shell. Through the combined use of the connecting plate, the filtering plate and the clamping plate, the molten steel can be filtered, effectively removing impurities and inclusions in the molten steel, improving the purity of the molten steel, thereby improving the quality of the final steel. Moreover, the arrangement of the filtering plate facilitates the disassembly work. The easy-disassembly design enables the filtering plate to be easily cleaned and replaced during use, reducing the production stagnation caused by the blockage or damage of the filtering plate, and thus extending the service life of the tundish.

Description

Technical Field

[0001] This utility model relates to the field of refractory materials technology, and in particular to the structure of steelmaking tundish. Background Technology

[0002] Chinese document CN106424687A discloses a tundish. The tundish of this invention includes a tundish shell, a tundish impact barrel, and a slag-blocking wall. The tundish shell is a shell structure with an open top. The tundish impact barrel is disposed on the inner bottom wall of the tundish shell and near the side wall of the tundish shell. The slag-blocking wall is vertically arranged, with its two ends and bottom respectively embedded in the inner wall and bottom wall of the tundish shell. An impact zone is formed between the slag-blocking wall and the tundish shell. The tundish impact barrel is located within the impact zone. Multiple tundish nozzles penetrating through the bottom wall of the tundish shell are provided. Advantages: Simple structure, reasonable design, good overall integrity, good molten steel flow stabilization effect, and high diversion effect and slag erosion resistance.

[0003] After investigation and analysis, the patent has the following drawbacks in actual use:

[0004] When the device is in use, the accumulation of a large amount of impurities on the surface of the slag baffle increases the difficulty and time of cleaning, affects the work efficiency of the staff, and thus reduces the overall production efficiency.

[0005] In summary, this application proposes a steelmaking tundish structure to address the aforementioned problems. Utility Model Content

[0006] The purpose of this invention is to provide a steelmaking tundish structure that can solve the problem that when the device is in use, a large amount of impurities accumulate on the surface of the slag baffle, which increases the difficulty and time of cleaning, affects the work efficiency of the staff, and thus reduces the overall production efficiency.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a steelmaking tundish structure, including a shell, a filter assembly, and an adjustment assembly. A stopper rod is provided at the bottom of the shell. The filter assembly is located on the shell and includes a connecting plate, a filter plate, and a clamping plate. The connecting plate is fixedly connected inside the shell, and the filter plate is provided on the connecting plate. The adjustment assembly is located inside the shell.

[0008] Preferably, the internal fixed connection of the shell has two sets of gentle slopes arranged opposite each other. This arrangement helps to raise the interior of both ends of the shell, reduce dead corners inside, and facilitate the flow of molten steel.

[0009] Preferably, the connecting plate has openings on its front and rear sides and an insertion port on its top. The filter plate is inserted and installed on the connecting plate through the insertion port. A clamping plate is fixedly connected to the top of the filter plate, and both ends of the clamping plate are snapped onto the housing. Through the combined use of the connecting plate, the filter plate, and the clamping plate, molten steel can be filtered, effectively removing impurities and inclusions from the molten steel, improving the purity of the molten steel, and thus improving the quality of the final steel product. Furthermore, the filter plate is designed for easy disassembly, allowing for easy cleaning and replacement during use, reducing production stoppages caused by filter plate clogging or damage, and extending the service life of the tundish.

[0010] Preferably, the adjusting component includes a baffle, a flow-slowing hole, a mounting plate, a square rod, an auxiliary hole, a rectangular hole, and a rectangular block. The baffle has a flow-slowing hole and an auxiliary hole, with the auxiliary hole located above the flow-slowing hole. The diameter of the auxiliary hole is smaller than that of the flow-slowing hole. Through the coordinated use of the baffle, the flow-slowing hole, the mounting plate, the square rod, the auxiliary hole, the rectangular hole, and the rectangular block, the flow rate of molten steel can be adjusted as needed. By adjusting the flow rate of molten steel, the flow of molten steel in the tundish is ensured to be more uniform and stable, which helps to avoid the molten steel flowing too fast or too slow, and ensures the uniformity of the molten steel flow and the casting quality.

[0011] Preferably, the mounting plate is snapped onto the top of the baffle, and the bottom of the mounting plate is located below the auxiliary hole, which facilitates the covering of the auxiliary hole.

[0012] Preferably, a rectangular block is fixedly connected to the top of the mounting plate, and rectangular holes are provided on both the mounting plate and the baffle, with a square rod inserted into the inside of the rectangular holes.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) The steelmaking tundish structure, through the combined use of connecting plates, filter plates and clamping plates, can filter molten steel, effectively remove impurities and inclusions in molten steel, improve the purity of molten steel, thereby improving the quality of the final steel product. The filter plates are designed for easy disassembly, and the easy disassembly design allows the filter plates to be easily cleaned and replaced during use, reducing production stoppages caused by filter plate blockage or damage, and thus extending the service life of the tundish.

[0015] (2) The steelmaking tundish structure, through the combined use of baffles, slow-flow holes, mounting plates, square rods, auxiliary holes, rectangular holes and rectangular blocks, can adjust the flow rate of molten steel as needed. By adjusting the flow rate of molten steel, it can ensure that the flow of molten steel in the tundish is more uniform and stable, which helps to avoid the molten steel flowing too fast or too slow, and ensures the uniformity of the molten steel flow and the casting quality. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 The three-dimensional representation of this utility model Figure 1 ;

[0018] Figure 2 The three-dimensional representation of this utility model Figure 2 ;

[0019] Figure 3 The three-dimensional representation of this utility model Figure 3 .

[0020] Reference numerals: 1. Shell; 2. Stopper rod; 3. Sloping slope; 4. Connecting plate; 5. Filter plate; 6. Clamping plate; 7. Baffle; 8. Flow-slowing hole; 9. Mounting plate; 10. Square rod; 11. Auxiliary hole; 12. Rectangular hole; 13. Rectangular block. Detailed Implementation

[0021] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Please see Figure 1-3This utility model provides a technical solution: a steelmaking tundish structure, including a shell 1, a filter assembly, and an adjustment assembly. A stopper rod 2 is provided at the bottom of the shell 1. Two sets of ramps 3 are fixedly connected inside the shell 1 and arranged opposite each other. This arrangement helps to elevate the interior of both ends of the shell 1, reducing dead corners and facilitating the flow of molten steel. The filter assembly is located on the shell 1 and includes a connecting plate 4, a filter plate 5, and a clamping plate 6. The connecting plate 4 is fixedly connected inside the shell 1, and the filter plate 5 is mounted on the connecting plate 4. Openings are provided on the front and rear sides of the connecting plate 4, and an insertion port is provided on the top of the connecting plate 4. The filter plate 5 is inserted... The filter plate 5 is installed on the connecting plate 4, and a clamping plate 6 is fixedly connected to the top of the filter plate 5. Both ends of the clamping plate 6 are snapped onto the housing 1. When the filter plate 5 needs to be removed, the operator manually pulls out the clamping plate 6, which causes the filter plate 5 to detach from the connecting plate 4, facilitating the removal of slag from the filter plate 5. Through the combined use of the connecting plate 4, the filter plate 5, and the clamping plate 6, molten steel can be filtered, effectively removing impurities and inclusions, improving the purity of the molten steel, and thus improving the quality of the final steel product. Furthermore, the filter plate 5 is designed for easy disassembly, allowing for convenient disassembly during use. The system allows for easy cleaning and replacement, reducing production downtime caused by filter plate clogging or damage, thus extending the service life of the tundish. The adjustment assembly is located inside the housing 1 and includes a baffle 7, a flow-slowing hole 8, a mounting plate 9, a square rod 10, an auxiliary hole 11, a rectangular hole 12, and a rectangular block 13. The baffle 7 has the flow-slowing hole 8 and the auxiliary hole 11, with the auxiliary hole 11 located above the flow-slowing hole 8. The diameter of the auxiliary hole 11 is smaller than that of the flow-slowing hole 8. During use, molten steel flows into the impact space of the housing 1 and is filtered through the filter plate 5. The filtered molten steel flows out through the flow-slowing hole 8 on the baffle 7 and passes through the stopper rod. 2. When molten steel needs to flow at a higher speed, the operator pulls out the square rod 10, causing it to detach from the mounting plate 9 and the baffle 7. Then, the mounting plate 9 is removed, exposing the slow-flow hole 8 and the auxiliary hole 11. Next, the stopper rod is adjusted to assist the flow of molten steel. Through the combined use of the baffle 7, the slow-flow hole 8, the mounting plate 9, the square rod 10, the auxiliary hole 11, the rectangular hole 12, and the rectangular block 13, the flow rate of molten steel can be adjusted as needed. By adjusting the flow rate of molten steel, the flow of molten steel in the tundish is ensured to be more uniform and stable, which helps to avoid the molten steel flowing too fast or too slow, and ensures the uniformity of the molten steel flow and the quality of the pouring.

[0023] Furthermore, the mounting plate 9 is snapped onto the top of the baffle 7, and the bottom of the mounting plate 9 is located below the auxiliary hole 11. Its setting facilitates the covering of the auxiliary hole 11. A rectangular block 13 is fixedly connected to the top of the mounting plate 9. Both the mounting plate 9 and the baffle 7 are provided with rectangular holes 12. A square rod 10 is inserted into the rectangular hole 12, and an impact space is formed between the housing 1 and the filter assembly.

[0024] Working principle: During use, molten steel flows into the impact space of the shell 1. The molten steel is filtered through the filter plate 5. The filtered molten steel flows out through the slow flow hole 8 on the baffle 7 and through the stopper rod 2. When the molten steel needs to move at a higher flow rate, the operator pulls out the square rod 10, so that the square rod 10 is separated from the mounting plate 9 and the baffle 7. Then the mounting plate 9 is taken out, exposing the slow flow hole 8 and the auxiliary hole 11. Then the stopper rod is adjusted to assist the flow of molten steel. When it is necessary to pull out the filter plate 5, the operator manually pulls out the clamping plate 6. The clamping plate 6 drives the filter plate 5 to separate from the connecting plate 4, which makes it easier for the operator to handle the slag on the filter plate 5.

[0025] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A steelmaking tundish structure, characterized in that, include: The housing (1) has a stopper rod (2) at its bottom. The filter assembly is located on the housing (1). The filter assembly includes a connecting plate (4), a filter plate (5) and a clamping plate (6). The connecting plate (4) is fixedly connected inside the housing (1), and the filter plate (5) is provided on the connecting plate (4). Adjustment component, which is located inside housing (1).

2. The steelmaking tundish structure according to claim 1, characterized in that: The shell (1) has two sets of gentle slopes (3) fixedly connected inside, which are arranged opposite to each other.

3. The steelmaking tundish structure according to claim 2, characterized in that: The connecting plate (4) has openings on the front and rear sides, and an insertion port is provided on the top of the connecting plate (4). The filter plate (5) is inserted and installed on the connecting plate (4) through the insertion port. A clamping plate (6) is fixedly connected to the top of the filter plate (5), and the two ends of the clamping plate (6) are clamped and installed on the housing (1).

4. The steelmaking tundish structure according to claim 3, characterized in that: The adjustment assembly includes a baffle (7), a flow-slowing hole (8), a mounting plate (9), a square rod (10), an auxiliary hole (11), a rectangular hole (12), and a rectangular block (13). The baffle (7) has a flow-slowing hole (8) and an auxiliary hole (11). The auxiliary hole (11) is located above the flow-slowing hole (8), and the diameter of the auxiliary hole (11) is smaller than the diameter of the flow-slowing hole (8).

5. The steelmaking tundish structure according to claim 4, characterized in that: The mounting plate (9) is snapped onto the top of the baffle (7), and the bottom of the mounting plate (9) is located below the auxiliary hole (11).

6. The steelmaking tundish structure according to claim 5, characterized in that: A rectangular block (13) is fixedly connected to the top of the mounting plate (9). Rectangular holes (12) are provided on both the mounting plate (9) and the baffle (7). A square rod (10) is inserted into the rectangular hole (12).

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