Tundish stuffing sand separating device
By designing a tundish sand separation device, the collection and separation of sand are controlled by a rotary table and a signal receiver. Combined with a telescopic sealing plate and an electric slide rail cleaning device, the problem of sand contamination of molten steel is solved, and the slab quality is improved.
Patent Information
- Application Number
- CN202520390496.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing tundish sand separation devices can contaminate molten steel during the tundish sand separation process, increasing inclusions and affecting slab quality.
A tundish sand separation device was designed. Through the cooperation of a rotating table, lifting rod, connecting block and rotating circular plate, the accurate collection and separation of sand is achieved. The rotating table is controlled by a signal receiver to prevent molten steel from flowing into the tundish. Combined with a telescopic sealing plate and electric slide rail, the sand is ensured to enter the waste hopper. The inside of the hopper is cleaned by a ring-shaped cleaning steel brush to reduce pollution.
It effectively reduces the contamination of molten steel by the diversion sand, improves the quality of the slab, and ensures that the molten steel flows smoothly into the tundish.
Smart Images
Figure CN223916659U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a drainage sand separation technical field, specifically a tundish drainage sand separation device. BACKGROUND
[0002] When casting billets, the molten steel needs to be discharged from the ladle into the tundish. In order to avoid the molten steel from sticking and not flowing, drainage sand is put into the ladle nozzle to guide the molten steel. However, the drainage sand will also enter the tundish during the guiding process. The oxides such as SiO2 and Al2O3 in the drainage sand will pollute the molten steel in the tundish, increase the inclusion content in the molten steel, and thus affect the quality of the slab. Therefore, it is particularly important to develop a drainage sand separation device.
[0003] The existing tundish drainage sand separation device can cause pollution to the molten steel and increase the inclusions in the molten steel when the drainage sand guides the molten steel, which affects the quality of the slab.
[0004] Therefore, the utility model provides a tundish drainage sand separation device to solve the above problems. SUMMARY
[0005] In view of the deficiencies of the prior art, the utility model provides a tundish drainage sand separation device to solve the above problems.
[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a tundish drainage sand separation device, comprising a rotating table, a signal receiver is fixedly connected to the top of the rotating table, a lifting rod is fixedly connected to the top of the rotating table, a connecting block is fixedly connected to the top of the lifting rod, a rotating circular plate is rotatably connected to one side of the connecting block, a sand receiving groove is fixedly connected to one side of the rotating circular plate, a sand leakage hole is formed in the bottom of the sand receiving groove, a rotating mechanism is fixedly connected to one side of the connecting block, a fixed horizontal plate is fixedly connected to one side of the connecting block, a stock bin is fixedly connected to one side of the fixed horizontal plate, and an elastic sealing plate is fixedly connected to the bottom of the stock bin.
[0007] Preferably, the inner wall of the stock bin is fixedly connected with an electric sliding rail, the electric sliding rail is slidably connected with an annular cleaning steel brush through an electronic sliding block, and the side wall of the annular cleaning steel brush is slidably connected with the inner wall of the stock bin.
[0008] Preferably, the rotating mechanism comprises a rotating rod, one end of the rotating rod is fixedly connected to one side of the connecting block, the other end of the rotating rod is fixedly connected with a fixed block, and the top of the fixed block is fixedly connected with the bottom of the sand receiving groove.
[0009] Preferably, the connecting block is fixedly connected with a heat preservation pipe, and one end of the heat preservation pipe is fixedly connected to one side of the fixed block.
[0010] Preferably, one side of the rotating circular plate is fixedly connected with a sealing arc plate, the bottom of the sealing arc plate is fixedly connected with the top of the sand receiving groove, and one side of the rotating circular plate is fixedly connected with a conveying roller.
[0011] Compared with the prior art, the intermediate ladle drainage sand separation device has the following beneficial effects:
[0012] (1) The intermediate ladle drainage sand separation device, the rotating table is started, the rotating table drives the sand receiving groove to rotate to below the long water gap through the lifting rod, the connecting block and the rotating circular plate, the signal receiver is started, the signal receiver drives the sand receiving groove to rise to below the long water gap through the connecting block and the rotating circular plate, so that the sand receiving groove accurately collects the drainage sand, the drainage sand in the sand receiving groove slides into the inside of the stock bin through the sand leakage hole, the signal receiver is connected with the slag detection, and when the slag detection receives a signal that molten steel flows out of the water outlet, the signal is transmitted to the rotating table. After receiving the signal, the rotating table is started, the rotating table drives the sand receiving groove to be installed at 180 degrees through the lifting rod, the connecting block and the rotating circular plate, so as to avoid blocking the smooth flow of molten steel into the intermediate ladle. After the drainage sand is received, the stock bin is rotated above the garbage chute by the rotating table through the lifting rod, the connecting block and the fixed horizontal plate, the telescopic sealing plate is started, the telescopic sealing plate retracts to open the stock bin, the drainage sand in the stock bin falls into the inside of the garbage chute under the influence of gravity, the stock bin is emptied, the pollution of the drainage sand to the molten steel is effectively reduced, and the slab quality is improved.
[0013] (2) When the drainage sand in the stock bin is discharged, the electric sliding rail is started, the electric sliding rail drives the annular cleaning steel brush to reciprocate in the inside of the stock bin to brush the side wall, so that the drainage sand adhered to the inside of the stock bin can be discharged. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 is a structural schematic view of the intermediate ladle drainage sand separation device of the utility model;
[0015] Fig. 2 is a position structural schematic view of the telescopic sealing plate of the utility model;
[0016] Fig. 3 is an inside structural schematic view of the stock bin of the utility model.
[0017] In the figure: 1, rotating table; 2, signal receiver; 3, lifting rod; 4, connecting block; 5, rotating circular plate; 6, sand receiving groove; 7, sealing arc plate; 8, conveying roller; 9, sand leakage hole; 10, heat preservation pipe; 11, rotating rod; 12, fixed block; 13, fixed horizontal plate; 14, stock bin; 15, telescopic sealing plate; 16, electric sliding rail; 17, annular cleaning steel brush. DETAILED DESCRIPTION
[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0019] Embodiment one:
[0020] Please refer to Figs. 1-3 A tundish drainage sand separating device, including rotating table 1, rotating table 1 top fixedly connected with signal receiver 2, rotating table 1 top fixedly connected with lifting rod 3, lifting rod 3 top fixedly connected with connecting block 4, connecting block 4 one side rotatably connected with rotating round plate 5, rotating round plate 5 one side fixedly connected with sand receiving groove 6, sand receiving groove 6 bottom is provided with sand leakage hole 9, connecting block 4 one side fixedly connected with rotating mechanism, connecting block 4 one side fixedly connected with fixed cross plate 13, fixed cross plate 13 one side fixedly connected with stock bin 14, stock bin 14 bottom fixedly connected with telescopic sealing plate 15.
[0021] Need to explain is, start rotating table 1, rotating table 1 is driven to sand receiving groove 6 to rotate to long water gap below by lifting rod 3, connecting block 4 and rotating round plate 5, start signal receiver 2, signal receiver 2 is driven to sand receiving groove 6 to rise to long water gap below by connecting block 4 and rotating round plate 5, so that sand receiving groove 6 accurately collects drainage sand, the drainage sand in sand receiving groove 6 falls into the inside of stock bin 14 by sand leakage hole 9, signal receiver 2 is connected with slag detection, when slag detection receives the signal that liquid steel flows from the water gap, signal is transmitted to rotating table 1, rotating table 1 receives the signal and starts rotating table 1, rotating table 1 is driven to sand receiving groove 6 to install one hundred and eighty degrees by lifting rod 3, connecting block 4 and rotating round plate 5, avoid blocking liquid steel to flow smoothly into the tundish, after receiving drainage sand, stock bin 14 is rotated to the above garbage chute by rotating table 1 through lifting rod 3, connecting block 4 and fixed cross plate 13, start telescopic sealing plate 15, telescopic sealing plate 15 shrinks and opens stock bin 14, the drainage sand in stock bin 14 falls into the inside of garbage chute under the influence of gravity, empty stock bin 14, effectively reduce the pollution of drainage sand to liquid steel, improve slab quality.
[0022] In an alternative embodiment: the inner wall of the stock bin 14 is fixedly connected with an electric sliding rail 16, the electric sliding rail 16 is slidably connected with a ring-shaped cleaning steel brush 17 through an electronic sliding block, and the side wall of the ring-shaped cleaning steel brush 17 is slidably connected with the inner wall of the stock bin 14.
[0023] It should be noted that when the sand inside the hopper 14 is discharged, the electric slide rail 16 is activated. The electric slide rail 16 drives the annular cleaning steel brush 17 to move back and forth inside the hopper 14 to scrub its side walls, so as to prevent the sand from adhering inside the hopper 14 and being unable to be discharged.
[0024] In an optional embodiment: the rotating mechanism includes a rotating rod 11, one side of the connecting block 4 is fixedly connected to one end of the rotating rod 11, and the other end of the rotating rod 11 is fixedly connected to a fixing block 12, the top of the fixing block 12 is fixedly connected to the bottom of the sand receiving groove 6.
[0025] It should be noted that the rotating rod 11 and the fixed block 12 can drive the sand receiving groove 6 to rotate.
[0026] In an optional embodiment: a heat insulation pipe 10 is fixedly connected to one side of the connecting block 4, and one end of the heat insulation pipe 10 is fixedly connected to one side of the fixing block 12.
[0027] It should be noted that the insulation pipe 10 is used to prevent the temperature of the diverting sand from getting too high, which could damage the rotating rod 11.
[0028] In an optional embodiment: a sealing arc plate 7 is fixedly connected to one side of the rotating circular plate 5, the bottom of the sealing arc plate 7 is fixedly connected to the top of the sand receiving groove 6, and a conveying roller 8 is fixedly connected to one side of the rotating circular plate 5.
[0029] It should be noted that the conveying roller 8 is used to transport the guiding sand to avoid clogging the sand receiving trough 6.
[0030] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0031] During operation, the rotary table 1 is activated. The rotary table 1, via the lifting rod 3, connecting block 4, and rotating plate 5, drives the sand collecting trough 6 to rotate below the long nozzle. Simultaneously, the signal receiver 2 is activated. The signal receiver 2, via the connecting block 4 and rotating plate 5, drives the sand collecting trough 6 to rise below the long nozzle, ensuring accurate collection of the diverted sand. The diverted sand inside the sand collecting trough 6 slides down through the sand leakage hole 9 into the hopper 14. The signal receiver 2 is connected to the slag detection system. When the slag detection system receives a signal of molten steel flowing from the outlet, it transmits the signal to the rotary table 1. The rotary table 1 receives the signal... After the signal is received, the rotary table 1 is started. The rotary table 1 drives the sand receiving trough 6 to rotate 180 degrees via the lifting rod 3, connecting block 4 and rotating circular plate 5 to avoid obstructing the smooth flow of molten steel into the tundish. After the sand is collected, the rotary table 1 drives the hopper 14 to rotate above the waste bin via the lifting rod 3, connecting block 4 and fixed horizontal plate 13. The telescopic sealing plate 15 is then activated. The telescopic sealing plate 15 retracts and opens the hopper 14. The sand inside the hopper 14 falls into the waste bin under the influence of gravity, emptying the hopper 14. This effectively reduces the contamination of molten steel by the sand and improves the quality of the slab.
[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A tundish sand separation device comprising a rotating table (1), characterized in that: The rotating table (1) top fixedly connected with signal receiver (2), the rotating table (1) top fixedly connected with lifting rod (3), the lifting rod (3) top fixedly connected with connecting block (4), the connecting block (4) one side rotationally connected with rotating round plate (5), the rotating round plate (5) one side fixedly connected with sand receiving groove (6), the sand receiving groove (6) bottom is equipped with sand leakage hole (9), the connecting block (4) one side fixedly connected with rotating mechanism, the connecting block (4) one side fixedly connected with fixed cross plate (13), the fixed cross plate (13) one side fixedly connected with stock bin (14), the stock bin (14) bottom fixedly connected with telescopic sealing plate (15).
2. The device according to claim 1, characterized in that: The inner wall of the stock bin (14) is fixedly connected with an electric sliding rail (16), and the electric sliding rail (16) is slidably connected with a ring-shaped cleaning steel brush (17) through an electronic sliding block.
3. The device according to claim 1, characterized in that: The rotating mechanism comprises a rotating rod (11), one end of the rotating rod (11) is fixedly connected with the connecting block (4), and the other end of the rotating rod (11) is fixedly connected with a fixed block (12).
4. The device according to claim 1, characterized in that: The connecting block (4) one side fixedly connected with heat preservation pipe (10), the heat preservation pipe (10) one end with fixed block (12) one side fixedly connected.
5. The device according to claim 1, characterized in that: The rotating round plate (5) one side fixedly connected with sealing arc plate (7), the sealing arc plate (7) bottom with sand receiving groove (6) top fixedly connected, the rotating round plate (5) one side fixedly connected with conveying roller (8).