Smelting furnace deslagging device

By using an automated slag removal device with silicon carbide ceramic plates and stirring components in an aluminum alloy melting furnace, the problems of complex manual operation and insufficient centrifugal separation accuracy are solved, achieving efficient and safe metal melt purity and high-precision slag removal effects.

CN223425726UActive Publication Date: 2025-10-10TAIZHOU TIANDA ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202422583980.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-10-10
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

In the existing technology, manual operations in the aluminum alloy smelting process are complex, time-consuming and labor-intensive, and pose safety hazards. In addition, the centrifugal separation and slag removal accuracy is poor, and the purity of the metal melt cannot be guaranteed, making it difficult to meet actual use needs.

Method used

Silicon carbide ceramic plates are used as filter media, and electric cylinders are used to drive the plates to slide for screening. The stirring assembly is combined to accelerate the mixing of slag and slag aggregation agent. The stirring shaft and scraper are driven by a motor to achieve automatic slag removal. Limit plates and baffles are used to prevent leakage, thereby improving slag removal efficiency and accuracy.

Benefits of technology

It realizes the automatic, high-speed and efficient separation of molten metal and slag, reduces labor costs and time consumption, improves slag removal accuracy and efficiency, and ensures the purity of the molten metal.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a smelting furnace deslagging device, which relates to the technical field of metal smelting preparation and comprises a deslagging device body, a silicon carbide ceramic plate is arranged in the deslagging device body, and a plurality of filter holes are formed in the top of the silicon carbide ceramic plate in a penetrating manner. The two electric cylinders stretch out and draw back together to drive the silicon carbide ceramic plate to slide on the inner side of the deslagging device body, so that metal melt produced by a smelting furnace is screened and filtered, slag particles can be intercepted on the silicon carbide ceramic plate, pure metal melt flows downwards through the filtering holes, and the slag particles are separated from the silicon carbide ceramic plate. The metal melt can be blocked through the baffle, the metal melt is prevented from leaking, the silicon carbide ceramic plate can be limited through the limiting plate, the silicon carbide ceramic plate is prevented from shaking or falling off, and therefore the slag removal difficulty is reduced, the slag removal efficiency is improved, and the slag removal precision is improved; labor and time cost is saved, and actual use requirements are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal smelting preparation, in particular to a slag removal device for a smelting furnace. Background Art

[0002] In the aluminum alloy smelting process, after the aluminum ingots and aluminum ore are melted into liquid at high temperature, the molten liquid needs to be refined, degassed, impurities removed and slag removed.

[0003] In the prior art, for example, the "Automatic Deslagging Device for a Melting Furnace" disclosed in Chinese Patent No. CN215864665U comprises a liquid storage tank, a first discharge channel, a deslagging furnace, a stirring mechanism, a second discharge channel, and a third discharge channel. The stirring mechanism is provided on the deslagging furnace and includes a first stirring member, a second stirring member, a first carrier, and a gearbox. The first stirring member includes a first stirring shaft and a first stirring blade, and the second stirring member includes a second stirring shaft and a second stirring blade. The second stirring shaft is rotatably connected to the first carrier. A sidewall opening is provided at the top of the deslagging furnace. The feed end of the third discharge channel is connected to the bottom of the deslagging furnace, and the feed end of the second discharge channel is connected to the top of the deslagging furnace through the sidewall opening. Vertically, the upper portion of the second stirring blade is not lower than the lowest point of the sidewall opening, and the lower portion of the second stirring blade is not higher than the lowest point of the sidewall opening. This achieves continuous automatic refining and deslagging, reduces labor intensity, and improves operating efficiency.

[0004] During the existing slag removal work of molten metal, the slag is usually removed by manually operating a machine to separate the molten metal and slag. However, the manual operation process is relatively complicated, time-consuming and labor-intensive, and there are major safety hazards, which can easily affect work efficiency. At the same time, the centrifugal separation slag removal method adopted in the above-mentioned patent document has poor accuracy and cannot guarantee the purity of the molten metal after slag removal, making it difficult to meet actual use needs. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art that the manual operation process is relatively complicated, time-consuming and labor-intensive, and there are major safety hazards, which easily affect work efficiency. At the same time, the centrifugal separation and slag removal method adopted in the above-mentioned patent document has poor accuracy, cannot guarantee the purity of the metal melt after slag removal, and is difficult to meet actual use needs. A slag removal device for a smelting furnace is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a smelting furnace slag removal device, comprising a slag removal device body, a silicon carbide ceramic plate is arranged inside the slag removal device body, a plurality of filter holes are opened through the top of the silicon carbide ceramic plate, two baffles are symmetrically arranged on the top of the silicon carbide ceramic plate, both ends of the silicon carbide ceramic plate are movably passed through the slag removal device body and connected to a limiting plate, a fixed frame is provided on one side of the slag removal device body, two electric cylinders are provided at one end of the fixed frame, the output end of the electric cylinder is movably passed through the fixed frame and is connected to a single limiting plate, and a metal melt discharge outlet is provided on the other side of the slag removal device body.

[0007] Preferably, a support frame is provided on the top of the slag removal device body, a pretreatment box is provided on the top of the support frame, a feed port is provided on one side of the pretreatment box, an addition port is provided on the other side of the pretreatment box, and a stirring assembly is provided on the top of the pretreatment box.

[0008] Preferably, the stirring assembly includes a motor, the output end of the motor movably passes through the pretreatment box and is connected to a stirring shaft, and a plurality of stirring paddles are provided on the outer side of the stirring shaft.

[0009] Preferably, a funnel is provided at the bottom of the pretreatment box, a control valve is provided at the bottom of the funnel, a delivery pipe is connected to the bottom of the control valve, and the bottom of the delivery pipe is connected to the main body of the slag removal device.

[0010] Preferably, an independent bin is provided on one side of the slag removal device body, and two hydraulic cylinders are provided on one side of the independent bin. The output ends of the two hydraulic cylinders are movable through the independent bin and are connected to scrapers, and the scrapers are provided above the silicon carbide ceramic plate.

[0011] Preferably, a slag conveying bin is provided on the surface of the slag removal device body, a fixing frame is connected to the bottom of the slag conveying bin, a collecting box is provided on the inner side of the fixing frame, and a handle is provided at one end of the collecting box.

[0012] Preferably, a first partition plug-in plate is inserted into the top of the independent warehouse, and a first pull ring is provided on the top of the first partition plug-in plate.

[0013] Preferably, a second partition plug-in plate is inserted on the top of the slag conveying bin, and a second pull ring is provided on the top of the second partition plug-in plate.

[0014] Preferably, the four corners of the bottom of the slag removal device body are provided with legs, and the bottom of the legs is provided with an anti-slip pad.

[0015] Preferably, the height of the input end of the slag conveying bin is on the same horizontal line as the silicon carbide ceramic plate.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are:

[0017] 1. In the present invention, two electric cylinders are extended and retracted together to drive the silicon carbide ceramic plate to slide inside the slag removal device body, so as to screen the molten metal output from the smelting furnace. The slag particles will be intercepted on the silicon carbide ceramic plate, while the pure metal melt will flow downward through the filter holes and be discharged through the metal melt discharge port. The baffle can block the metal melt to prevent it from leaking. The limit plate can limit the silicon carbide ceramic plate to prevent it from shaking or falling off, thereby reducing the difficulty of slag removal, improving the slag removal efficiency, improving the slag removal accuracy, saving labor and time costs, and meeting actual use needs.

[0018] 2. In the utility model, the molten metal produced by the smelting furnace can be introduced into the pretreatment box through the feed port, and the slag aggregation agent can be added to the pretreatment box through the addition port. The stirring component can accelerate the mixing of the slag in the metal melt and the slag aggregation agent, thereby accelerating the slag aggregation speed, creating conditions for the subsequent slag removal process, and improving the overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a smelting furnace slag removal device proposed in the utility model;

[0020] Figure 2 This is a side view of a slag removal device for a smelting furnace proposed in the utility model;

[0021] Figure 3 This is a cross-sectional view of a smelting furnace slag removal device proposed in the utility model;

[0022] Figure 4 This is a schematic diagram of the partial structure of a smelting furnace slag removal device proposed in the utility model;

[0023] Figure 5 The utility model provides a partial structural cross-sectional view of a smelting furnace slag removal device.

[0024] Legend: 1. Deslagging device body; 2. Silicon carbide ceramic plate; 3. Filter hole; 4. Baffle; 5. Limit plate; 6. Fixed frame; 7. Electric cylinder; 8. Metal melt outlet; 9. Support frame; 10. Pretreatment box; 11. Feed inlet; 12. Addition port; 13. Motor; 14. Stirring shaft; 15. Stirring paddle; 16. Funnel; 17. Control valve; 18. Conveying pipe; 19. Independent bin; 20. Hydraulic cylinder; 21. Scraper; 22. Slag bin; 23. Fixed frame; 24. Collecting box; 25. Handle; 26. First partition plate; 27. First pull ring; 28. Second partition plate; 29. ​​Second pull ring; 30. Tripod; 31. Anti-slip pad. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0027] Example 1: Figure 1-Figure 5 As shown, the utility model provides a technical solution: a smelting furnace slag removal device, including a slag removal device body 1, a silicon carbide ceramic plate 2 is arranged inside the slag removal device body 1, a plurality of filter holes 3 are opened through the top of the silicon carbide ceramic plate 2, two baffles 4 are symmetrically arranged on the top of the silicon carbide ceramic plate 2, both ends of the silicon carbide ceramic plate 2 are movably passed through the slag removal device body 1 and are connected to a limiting plate 5, a fixed frame 6 is provided on one side of the slag removal device body 1, two electric cylinders 7 are provided at one end of the fixed frame 6, the output end of the electric cylinder 7 is movably passed through the fixed frame 6 and is connected to a single limiting plate 5, and a metal melt discharge port 8 is provided on the other side of the slag removal device body 1.

[0028] In this embodiment, the two electric cylinders 7 are extended and retracted together, thereby driving the silicon carbide ceramic plate 2 to slide inside the slag removal device body 1, so as to achieve screening of the metal melt produced by the smelting furnace. The slag particles will be intercepted on the silicon carbide ceramic plate 2, while the pure metal melt will flow downward through the filter hole 3 and be discharged through the metal melt outlet 8. The baffle 4 can block the metal melt to prevent leakage of the metal melt. The limit plate 5 can limit the silicon carbide ceramic plate 2 to prevent the silicon carbide ceramic plate 2 from shaking or falling off, thereby reducing the difficulty of slag removal, improving the slag removal efficiency, improving the slag removal accuracy, saving labor and time costs, and meeting actual usage needs.

[0029] Example 2: Figure 1-Figure 5As shown, a support frame 9 is provided on the top of the deslagging device body 1, a pretreatment box 10 is provided on the top of the support frame 9, a feed port 11 is provided on one side of the pretreatment box 10, and an addition port 12 is provided on the other side of the pretreatment box 10. A stirring assembly is provided on the top of the pretreatment box 10, and the stirring assembly includes a motor 13. The output end of the motor 13 is movable through the pretreatment box 10 and is connected to a stirring shaft 14. A plurality of stirring paddles 15 are provided on the outside of the stirring shaft 14. A funnel 16 is provided at the bottom of the pretreatment box 10, a control valve 17 is provided at the bottom of the funnel 16, a conveying pipe 18 is connected to the bottom of the control valve 17, and the bottom of the conveying pipe 18 is connected to the deslagging device body 1. An independent warehouse 19 is provided on one side of the deslagging device body 1, and two hydraulic cylinders 20 are provided on one side of the independent warehouse 19. The two hydraulic cylinders The output end of the pressure cylinder 20 is movable through the independent bin 19 and is connected to a scraper 21. The scraper 21 is arranged above the silicon carbide ceramic plate 2. A slag conveying bin 22 is provided on the surface of the slag conveying bin 22. The bottom of the slag conveying bin 22 is connected to a fixed frame 23. A collecting box 24 is provided on the inner side of the fixed frame 23. A handle 25 is provided at one end of the collecting box 24. A first partition plug-in plate 26 is inserted at the top of the independent bin 19, and a first pull ring 27 is provided on the top of the first partition plug-in plate 26. A second partition plug-in plate 28 is inserted at the top of the slag conveying bin 22, and a second pull ring 29 is provided on the top of the second partition plug-in plate 28. The four corners of the bottom of the slag removing device body 1 are provided with tripods 30, and the bottom of the tripod 30 is provided with an anti-slip gasket 31. The height of the input end of the slag conveying bin 22 is at the same horizontal line as the silicon carbide ceramic plate 2.

[0030] In this embodiment, the molten metal produced by the smelting furnace can be introduced into the pretreatment box 10 through the feed port 11, and the slag aggregation agent can be added to the pretreatment box 10 through the addition port 12. The stirring component can be used to accelerate the mixing of the slag in the molten metal and the slag aggregation agent, thereby accelerating the slag aggregation speed, creating conditions for the subsequent slag removal process, and improving the overall work efficiency. The motor 13 drives the stirring shaft 14 to drive the stirring paddle 15 to rotate, which can stir the molten metal and accelerate the mixing speed of the slag in the molten metal and the slag aggregation agent. The control valve 17 can control the mixed molten metal and slag to enter the slag removal device body 1 from the conveying pipe 18, and the hydraulic cylinder 20 can push the scraper 21 is used to scrape off the slag accumulated on the silicon carbide ceramic plate 2, and the scraped slag can be made to fall into the collecting box 24 in the fixed frame 23 through the slag conveying bin 22. The slag can be collected by using the collecting box 24, and the collecting box 24 can be pulled out from the fixed frame 23 by grasping and pulling the handle 25, and the slag can be processed centrally. The first partition plate 26 and the second partition plate 28 can block the molten metal to prevent the molten metal from flowing from the slag removal device body 1 into the independent bin 19 or the slag conveying bin 22. The tripod 30 can provide stable support for the slag removal device body 1, and the anti-slip gasket 31 can increase the friction to prevent the slag removal device body 1 from shaking during use.

[0031] The working principle of this embodiment is as follows: when in use, firstly, the molten metal produced by the smelting furnace is introduced into the pretreatment box 10 from the feed port 11, and then the slag aggregation agent is added into the pretreatment box 10 from the addition port 12. Then, the motor 13 is started to drive the stirring shaft 14 to drive the stirring paddle 15 to stir and mix the molten metal and the slag aggregation agent, so as to promote the rapid aggregation and formation of the slag in the molten metal. Then, the control valve 17 is opened to allow the molten metal and the slag to flow into the slag removal device body 1 through the conveying pipe 18. At this time, the two electric cylinders 7 are started to extend and retract together to drive the silicon carbide ceramic plate 2 to slide left and right, thereby screening the molten metal and the slag, and the slag is retained in the carbon On the silicon carbide ceramic plate 2, the molten metal flows downward through the filter hole 3 and is discharged from the molten metal discharge port 8. Finally, when the molten metal and the slag are separated, the first pull ring 27 and the second pull ring 29 are grasped and pulled to remove the first partition plate 26 and the second partition plate 28. The hydraulic cylinder 20 is started to push the scraper 21 to scrape the slag accumulated on the silicon carbide ceramic plate 2, so that the slag falls from the slag conveying bin 22 to the collecting box 24 in the fixed frame 23. The handle 25 is grasped and pulled to remove the collecting box 24 from the fixed frame 23. The collected slag can be processed centrally, thereby completing the use of the slag removal device for the smelting furnace.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A smelting furnace slag removal device, comprising a slag removal device body (1), characterized in that: A silicon carbide ceramic plate (2) is provided inside the deslagging device body (1), a plurality of filter holes (3) are provided through the top of the silicon carbide ceramic plate (2), two baffles (4) are symmetrically provided on the top of the silicon carbide ceramic plate (2), both ends of the silicon carbide ceramic plate (2) are movably passed through the deslagging device body (1) and connected to a limit plate (5), a fixing frame (6) is provided on one side of the deslagging device body (1), two electric cylinders (7) are provided at one end of the fixing frame (6), the output end of the electric cylinder (7) is movably passed through the fixing frame (6) and connected to a single limit plate (5), and a metal melt discharge port (8) is provided on the other side of the deslagging device body (1).

2. The slag removal device for a smelting furnace according to claim 1, characterized in that: A support frame (9) is provided on the top of the deslagging device body (1), a pretreatment box (10) is provided on the top of the support frame (9), a feed port (11) is provided on one side of the pretreatment box (10), an addition port (12) is provided on the other side of the pretreatment box (10), and a stirring assembly is provided on the top of the pretreatment box (10).

3. The slag removal device for a smelting furnace according to claim 2, characterized in that: The stirring assembly comprises a motor (13), the output end of the motor (13) movably passes through the pretreatment box (10) and is connected to a stirring shaft (14), and a plurality of stirring paddles (15) are arranged on the outside of the stirring shaft (14).

4. The slag removal device for a smelting furnace according to claim 2, characterized in that: A funnel (16) is provided at the bottom of the pretreatment box (10), a control valve (17) is provided at the bottom of the funnel (16), a delivery pipe (18) is connected to the bottom of the control valve (17), and the bottom of the delivery pipe (18) is connected to the slag removal device body (1).

5. The slag removal device for a smelting furnace according to claim 1, characterized in that: An independent bin (19) is provided on one side of the slag removal device body (1), and two hydraulic cylinders (20) are provided on one side of the independent bin (19). The output ends of the two hydraulic cylinders (20) are movable through the independent bin (19) and are connected to a scraper (21). The scraper (21) is provided above the silicon carbide ceramic plate (2).

6. The slag removal device for a smelting furnace according to claim 1, characterized in that: A slag conveying bin (22) is provided on the surface of the slag removal device body (1), a fixing frame (23) is connected to the bottom of the slag conveying bin (22), a collecting box (24) is provided on the inner side of the fixing frame (23), and a handle (25) is provided at one end of the collecting box (24).

7. The slag removal device for a smelting furnace according to claim 5, characterized in that: A first partition insert (26) is inserted at the top of the independent warehouse (19), and a first pull ring (27) is provided at the top of the first partition insert (26).

8. The slag removal device for a smelting furnace according to claim 6, characterized in that: A second partition insert (28) is inserted at the top of the slag conveying bin (22), and a second pull ring (29) is provided at the top of the second partition insert (28).

9. The slag removal device for a smelting furnace according to claim 1, characterized in that: Four corners of the bottom of the slag removal device body (1) are provided with footstands (30), and the bottom of the footstands (30) is provided with anti-slip pads (31).

10. The slag removal device for a smelting furnace according to claim 6, characterized in that: The height of the input end of the slag conveying bin (22) is on the same horizontal line as the silicon carbide ceramic plate (2).