Slag removing structure of secondary aluminum smelting furnace
By using a servo motor-driven slag-removing and adjusting mechanism, the problem of laborious and easily damaged manual slag cleaning in recycled aluminum smelting has been solved, achieving efficient and safe slag cleaning and extending the service life of the equipment.
Patent Information
- Application Number
- CN202520679295.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-05-19
- Estimated Expiration
- 2035-04-11
AI Technical Summary
In the current recycled aluminum smelting process, manually cleaning aluminum slag with a hand scraper is laborious and difficult to operate at high temperatures. Furthermore, the scraper and furnace are easily damaged, especially when the aluminum slag solidifies.
The slag-removing mechanism, driven by a servo motor, uses a chain to drive multiple scrapers to rotate synchronously and oscillate back and forth. Combined with an adjustment mechanism, the scrapers and pointed cones cut into the aluminum slag at an appropriate angle. Rollers and counterweights ensure stable movement and reduce damage to the inner wall of the furnace.
It improves the slag removal structure and the service life of the furnace, reduces the labor intensity of operators, and enhances the smoothness of slag removal and the protection of the furnace inner wall.
Smart Images

Figure CN224262221U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of recycled aluminum processing technology, and more specifically, to a slag removal structure for recycled aluminum furnaces. Background Technology
[0002] Currently, the production process of recycled aluminum can be divided into three stages: pretreatment (screening), smelting (including refining), and ingot casting. The smelting process involves adding waste aluminum into a furnace and heating it to melt it into a liquid. After processes such as slag removal, temperature measurement, and composition detection, it is transferred to a refining furnace where elements such as silicon and copper are added. After steps such as degassing and slag removal refining, the slag needs to be removed manually in front of the furnace using a long-handled scraper rake.
[0003] In the current method of cleaning slag from smelting waste aluminum, manual laborers need to hold long poles and move them constantly to use scrapers and rakes on the poles to remove the slag. This is not only laborious, but also difficult to operate due to the high temperature in front of the furnace.
[0004] A search revealed a Chinese patent with publication number CN218469590U that discloses a slag removal structure for a recycled aluminum furnace. When using this utility model, the user holds the handle and, with the support of the support frame and the movement of the pulleys, it is convenient to use a scraper rake to remove slag from the furnace.
[0005] However, in actual use, when the furnace temperature is lower than the melting point of aluminum, the aluminum slag will solidify into lumps during the process of being pulled out of the furnace. At this time, directly scraping it with a scraper will damage the scraper and the furnace wall. Repeated operation will reduce the service life of the scraper and the furnace. Utility Model Content
[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a slag removal structure for a recycled aluminum furnace to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A slag removal structure for a recycled aluminum furnace includes a support rod. A push handle is fixedly connected to one end of the support rod, and a counterweight is fixedly connected to the bottom of the support rod. A protective shell is fixedly connected to the outer side of the support rod, and a servo motor is fixedly connected to the inner side of the protective shell. A slag-removing mechanism is provided on the inner side of the support rod. The slag-removing mechanism includes a drive roller, the outer side of which is rotatably connected to the inner side of the support rod. One end of the drive roller is fixedly connected to the output end of the servo motor. Three driven rollers are rotatably connected to the inner side of the support rod, and the outer sides of both the drive roller and the driven rollers are fixed. A sprocket is connected, and a chain for transmission is meshed on the outer side of the sprocket. Two scrapers are fixedly connected to the outer side of the driven roller, and a pointed cone is fixedly connected to the bottom of the scraper. Multiple fixed seats are fixedly connected to the outer side of the support rod. A push frame is slidably connected to the inner side of the fixed seat. A positioning seat is fixedly connected to the bottom of the push frame. A guide roller is rotatably connected to the outer side of the positioning seat. A spring is sleeved on the outer side of the push frame. One end of the spring is fixedly connected to the inner side of the fixed seat, and the other end of the fixed seat is fixedly connected to one side of the positioning seat. An adjustment mechanism is provided at the bottom of the support rod.
[0009] By adopting the above technical solution, multiple scrapers are driven by a chain to deflect synchronously, so that the scrapers and the pointed cone can be adjusted to a suitable cutting angle for the aluminum dross, thereby allowing the scrapers and the pointed cone to quickly remove the aluminum dross that has solidified to a certain extent.
[0010] As a further description of the above technical solution: the adjustment mechanism includes a load-bearing rod, the inner side of which is rotatably connected to the bottom of a support rod, a rotating seat rotatably connected to the bottom of the load-bearing rod, a base fixedly connected to the bottom of the rotating seat, a plurality of connecting frames fixedly connected to the outer side of the base, rollers rotatably connected to the inner side of the connecting frames, an electric push rod hinged to one side of the load-bearing rod, a connecting seat fixedly connected to one end of the electric push rod, and the outer side of the connecting seat rotatably connected to the inner side of the support rod.
[0011] By adopting the above technical solution, the slag cleaning mechanism can move smoothly through the base, connecting frame and rollers, and the counterweight blocks ensure that the overall gravity acts smoothly on the load-bearing rod and the base, so that the movement and use of the slag cleaning mechanism remain stable.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] By setting up a slag-removing mechanism, compared with the existing technology, the chain mobilizes multiple scrapers in two modes: small-amplitude lifting and reciprocating deflection. This allows for two methods of cleaning solidified and non-solidified aluminum slag. The small-amplitude lifting can pry up solidified aluminum slag, reducing the damage to the scrapers and furnace inner wall caused by hard scraping of aluminum slag. The reciprocating deflection of multiple scrapers can remove non-solidified aluminum slag without the workers and support rods having to move backward, thus improving the service life of the slag-cleaning structure and the furnace, as well as the smoothness of slag cleaning.
[0014] By setting up an adjustment mechanism, compared with the existing technology, the slag cleaning structure can be deflected by using a rotating seat to increase the cleaning area of the scraper on the inner wall of the furnace. Furthermore, the use of an electric push rod and connecting seat makes it easier to adjust the up and down angle of the support rod, reducing the operating burden on the staff. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the right side of the present invention.
[0017] Figure 3 This is a schematic diagram of the top structure of this utility model.
[0018] Figure 4 This is a partial schematic diagram of the connection between the driven roller and the scraper of this utility model.
[0019] Figure 5 This is a partial schematic diagram of the connection between the fixed base and the push frame of this utility model.
[0020] Figure 6 This is a partial schematic diagram of the connection between the rotating base and the load-bearing rod of this utility model.
[0021] The attached diagram is labeled as follows: 1. Support rod; 2. Push handle; 3. Protective shell; 4. Servo motor; 5. Transmission roller; 6. Driven roller; 7. Sprocket; 8. Chain; 9. Scraper; 10. Conical head; 11. Fixed seat; 12. Push frame; 13. Positioning seat; 14. Guide roller; 15. Spring; 16. Load-bearing rod; 17. Rotary seat; 18. Base; 19. Connecting frame; 20. Roller; 21. Electric push rod; 22. Connecting seat; 23. Counterweight. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] The embodiments disclosed in this application are as follows: Figure 1-6The slag removal structure of the recycled aluminum furnace shown includes a support rod 1, a push handle 2 fixedly connected to one end of the support rod 1, a counterweight 23 fixedly connected to the bottom of the support rod 1, a protective shell 3 fixedly connected to the outside of the support rod 1, a servo motor 4 fixedly connected to the inside of the protective shell 3, and a slag-scraping mechanism provided inside the support rod 1. The slag-scraping mechanism includes a transmission roller 5, the outer side of the transmission roller 5 rotatably connected to the inside of the support rod 1, one end of the transmission roller 5 fixedly connected to the output end of the servo motor 4, three driven rollers 6 rotatably connected to the inside of the support rod 1, sprockets 7 fixedly connected to the outer sides of both the transmission roller 5 and the driven rollers 6, and a chain 8 for transmission meshing with the outer side of the sprockets 7. Two scrapers 9 are fixedly connected to the outer side of the driven rollers 6, and a pointed cone 10 is fixedly connected to the bottom of the scraper 9. Multiple fixed seats 11 are fixedly connected to the outer side of the support rod 1. A pusher 12 is slidably connected to the inner side, and a positioning seat 13 is fixedly connected to the bottom of the pusher 12. A guide roller 14 is rotatably connected to the outer side of the positioning seat 13. A spring 15 is sleeved on the outer side of the pusher 12. One end of the spring 15 is fixedly connected to the inner side of the fixed seat 11, and the other end of the fixed seat 11 is fixedly connected to one side of the positioning seat 13. An adjustment mechanism is provided at the bottom of the support rod 1. Driven by the servo motor 4, transmission roller 5, driven roller 6, sprocket 7 and chain 8, multiple scrapers 9 can be deflected synchronously. At the same time, the spring 15 pushes the corresponding positioning seat 13, so that multiple guide rollers 14 can support and limit the rotation of the chain 8, so that the chain 8 maintains good transmission efficiency. Thus, the scraper 9 can scrape the solidified aluminum slag and the unsolidified aluminum slag inside the furnace in two ways: small-amplitude vibration and large-amplitude swing.
[0024] Reference Figure 3 and Figure 6 As shown, the adjustment mechanism includes a load-bearing rod 16, the inner side of which is rotatably connected to the bottom of the support rod 1, a rotating seat 17 rotatably connected to the bottom of the load-bearing rod 16, a base 18 fixedly connected to the bottom of the rotating seat 17, and multiple connecting frames 19 fixedly connected to the outer side of the base 18. Rollers 20 are rotatably connected to the inner side of the connecting frames 19. An electric push rod 21 is hinged to one side of the load-bearing rod 16, and a connecting seat 22 is fixedly connected to one end of the electric push rod 21. The outer side of the connecting seat 22 is rotatably connected to the inner side of the support rod 1. By rotating the load-bearing rod 16 and the rotating seat 17, the support rod 1 can be horizontally deflected without moving, thereby increasing the slag removal area inside the furnace. Furthermore, the multiple connecting frames 19 and rollers 20 make the movement of the support rod 1 more stable.
[0025] The working principle of this utility model is as follows: When cleaning the aluminum slag that solidifies due to the low temperature inside the recycled aluminum furnace, the worker holds the push handle 2 and pushes the support rod 1. Multiple rollers 20 on the outer side of the bottom base 18 allow the support rod 1 to move. Then, multiple scrapers 9 and pointed cones 10 on one side of the support rod 1 are inserted into the furnace. The electric push rod 21 drives the connecting seat 22 to pull the support rod 1, which rotates up and down using the load-bearing rod 16 as a fulcrum. This causes the pointed cones 10 at the bottom of the multiple scrapers 9 to contact the inner wall of the furnace. The pointed cones 10 are then inserted into the aluminum slag. Finally, the servo motor 4 drives the transmission roller 5... The chain 8 is driven by the corresponding sprocket 7, which drives the three sprockets 7, driven roller 6 and the two corresponding scrapers 9 to deflect. At the same time, the spring 15 pushes the corresponding positioning seat 13, so that the multiple guide rollers 14 can support and limit the rotation of the chain 8, so that the chain 8 maintains good transmission efficiency. The scrapers 9 and the pointed cones 10 can pry up the aluminum slag fixed on the inner wall of the furnace. Then the servo motor 4 rotates again, and the chain 8 makes the multiple scrapers 9 and the pointed cones 10 contact the inner wall of the furnace again. Then the workers pull the support rod 1 and the multiple scrapers 9 outward, so that the aluminum slag inside the furnace can be scraped out.
[0026] When removing aluminum slag that is at a sufficient temperature but has not solidified, the electric push rod 21 drives the support rod 1 to deflect slightly up and down. In conjunction with the servo motor 4, transmission roller 5, driven roller 6, sprocket 7 and chain 8, multiple scrapers 9 reciprocate. After the multiple scrapers 9 swing outward from the furnace once, the electric push rod 21 drives the support rod 1 and multiple scrapers 9 to lift upward. Then, the multiple scrapers 9 deflect inward from the furnace again. This reciprocating motion allows the aluminum slag on the inner wall of the furnace to be removed from the furnace without the support rod 1 moving outward from the furnace, thanks to the transmission of multiple scrapers 9 and the pointed cone head 10.
[0027] All contents not described in detail in the specification are existing technologies known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used. Electrical control components not mentioned in this technical solution are not shown in the figures because they are existing technologies, and will not be described here.
[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A structure for slagging of a secondary aluminum smelting furnace, comprising a support rod (1), characterized in that: A push handle (2) is fixedly connected to one end of the support rod (1), a counterweight (23) is fixedly connected to the bottom of the support rod (1), a protective shell (3) is fixedly connected to the outside of the support rod (1), a servo motor (4) is fixedly connected to the inside of the protective shell (3), and a slag-removing mechanism is provided on the inside of the support rod (1). The slag-removing mechanism includes a transmission roller (5), the outer side of which is rotatably connected to the inner side of the support rod (1), one end of which is fixedly connected to the output end of the servo motor (4), and three driven rollers (6) are rotatably connected to the inner side of the support rod (1). A sprocket (7) is fixedly connected to the outer side of both the transmission roller (5) and the driven rollers (6). An adjustment mechanism is provided at the bottom of the support rod (1); The sprocket (7) is engaged with a chain (8) for transmission on its outer side, and two scrapers (9) are fixedly connected to the outer side of the driven roller (6). A pointed cone (10) is fixedly connected to the bottom of the scraper (9). The adjustment mechanism includes a load-bearing rod (16), an electric push rod (21) is hinged to one side of the load-bearing rod (16), and a connecting seat (22) is fixedly connected to one end of the electric push rod (21). The outer side of the connecting seat (22) is rotatably connected to the inner side of the support rod (1).
2. The recycled aluminum smelting furnace slagging structure according to claim 1, characterized in that: The support rod (1) is fixedly connected to a plurality of fixed seats (11) on the outside, and a pusher (12) is slidably connected to the inside of the fixed seat (11), and a positioning seat (13) is fixedly connected to the bottom of the pusher (12).
3. The recycled aluminum smelting furnace slagging structure according to claim 2, characterized in that: The positioning seat (13) is rotatably connected to a guide roller (14), and the push frame (12) is sleeved with a spring (15). One end of the spring (15) is fixedly connected to the inner side of the fixed seat (11), and the other end of the fixed seat (11) is fixedly connected to one side of the positioning seat (13).
4. The recycled aluminum smelting furnace slagging structure according to claim 1, characterized in that: The inner side of the load-bearing rod (16) is rotatably connected to the bottom of the support rod (1), and the bottom of the load-bearing rod (16) is rotatably connected to a swivel seat (17), and the bottom of the swivel seat (17) is fixedly connected to a base (18).
5. The recycled aluminum smelting furnace slagging structure according to claim 4, characterized in that: Multiple connecting frames (19) are fixedly connected to the outer side of the base (18), and rollers (20) are rotatably connected to the inner side of the connecting frame (19).