Metallic aluminum recovery device in electrolytic aluminum overhaul slag crushing process

Abstract

The utility model relates to the technical field of electrolytic aluminum overhaul slag, in particular to a metal aluminum recovery device in the electrolytic aluminum overhaul slag crushing process, which comprises four supporting legs, the tops of the four supporting legs are fixedly connected with the same base, the top of the base is fixedly connected with a plurality of supporting rods, the supporting rods are fixedly connected with a stirring bin, and the stirring bin is fixedly connected with a stirring shaft. The top of the base is fixedly connected with a reaction bin, a connecting pipe is connected between the stirring bin and the reaction bin in a penetrating mode, the reaction bin is internally provided with an extraction structure used for reacting with smashed overhaul slag to extract metal aluminum, and the stirring bin is internally provided with a smashing structure used for smashing the overhaul slag. Through the arrangement of the reaction bin, the extraction structure and the smashing structure, compared with a metallic aluminum recovery mode in the prior art, manual selection is not needed, manpower is saved, meanwhile, the overall metallic aluminum recovery time is saved, manual crushing is not needed, and the workload of workers is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic aluminum overhaul slag, in particular to a metal aluminum recovery device in the process of electrolytic aluminum overhaul slag crushing. Background Art

[0002] Electrolytic aluminum overhaul slag is a hazardous solid waste generated in the electrolytic aluminum production process. Since aluminum is a valuable metal with the characteristics of light weight, conductivity, good ductility and corrosion resistance, electrolytic aluminum overhaul slag contains a certain amount of metallic aluminum. Recycling this metallic aluminum has important economic and environmental significance.

[0003] In the modern aluminum smelting process, the recovery process of metallic aluminum is an important link, especially when dealing with electrolytic aluminum overhaul slag. This process involves manually crushing the overhaul slag, and then putting it into a reaction vessel to react chemically with specific reaction materials to achieve the separation and recovery of metallic aluminum. However, due to the complex composition of overhaul slag, which contains a variety of different substances, it is required to manually select those substances that do not participate in the reaction from the mixture after the reaction while recovering metallic aluminum, which not only increases the time cost of the recycling process, but also makes the operation more cumbersome and inefficient. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the composition of overhaul slag is complex and contains a variety of different substances, which requires that while recovering metallic aluminum, those substances that do not participate in the reaction need to be manually selected from the mixture after the reaction, which not only increases the time cost in the recovery process but also makes the operation more cumbersome and inefficient. A metallic aluminum recovery device in the process of electrolytic aluminum overhaul slag crushing is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A metal aluminum recovery device in the process of electrolytic aluminum overhaul slag crushing comprises four legs, the tops of the four legs are fixedly connected to the same base, the top of the base is fixedly connected to a plurality of support rods, the support rods are fixedly connected to a stirring bin, the top of the base is fixedly connected to a reaction bin, and a connecting pipe is connected between the stirring bin and the reaction bin;

[0007] The reaction chamber is provided with an extraction structure for reacting with the crushed overhaul slag to extract metallic aluminum, and the stirring chamber is provided with a crushing structure for crushing the overhaul slag.

[0008] Preferably, the extraction structure includes a discharge pipe fixedly arranged on the reaction bin, and the discharge pipe and the reaction bin are communicated, a feeding port is provided on the top of the reaction bin, a collecting drawer is slidably connected to the reaction bin, and a magnetic suction strip is fixedly installed at one end of the collecting drawer.

[0009] Preferably, the crushing structure includes a sealing cover threadedly connected to the stirring chamber, an exhaust pipe is fixedly passed through the top of the sealing cover, a rotating shaft is rotatably connected inside the stirring chamber, a plurality of stirring paddles are fixedly connected to the end surface of the outer wall of the rotating shaft, and a motor for driving the rotating shaft to rotate is fixedly connected to the bottom end of the stirring chamber.

[0010] Preferably, a threaded opening is provided on the top of the mixing chamber to facilitate threaded installation of the sealing cover.

[0011] Preferably, the connecting pipe and the discharge pipe are both fixedly mounted with speed control valves for controlling the material flow rate and discharge, and the exhaust pipe is provided with a solenoid valve for controlling gas discharge.

[0012] Preferably, a universal wheel is fixedly mounted on the bottom end of the supporting leg to facilitate the movement of the device.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model sets a reaction bin and an extraction structure, wherein the collecting bin and the reaction bin are slidably connected, a plurality of filter holes are provided on the collecting bin, and a discharge pipe controlled by a valve is fixedly installed on the reaction bin. After the overhaul slag entering the reaction bin reacts with the reaction liquid, the metal aluminum is melted into the reaction liquid and flows to the bottom of the inner cavity of the reaction bin through the filter holes along with the reaction liquid, and the unreacted substances are filtered out on the collecting bin, without manual selection, thus saving manpower and the overall time of metal aluminum recovery.

[0015] 2. The utility model sets a crushing structure, in which a rotating shaft driven by a motor is rotatably connected to the inner cavity of a mixing chamber, a plurality of stirring paddles are fixedly connected to the end face of the outer wall of the rotating shaft, a sealing cover with an exhaust pipe penetrating through the top is threadedly connected to the mixing chamber, and the overhaul slag added to the mixing chamber is mechanically crushed and then flows to the reaction chamber through the connecting pipe, without the need for manual crushing, which greatly reduces the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the metal aluminum recovery device in the electrolytic aluminum overhaul slag crushing process proposed by the utility model;

[0017] Figure 2 This is a diagram of the separation of the collecting drawer and the reaction chamber in the metal aluminum recovery device in the electrolytic aluminum overhaul slag crushing process proposed by the utility model;

[0018] Figure 3 This is an internal cross-sectional view of a stirring bin in a metal aluminum recovery device during the electrolytic aluminum overhaul slag crushing process proposed by the utility model.

[0019] In the figure: 1. support leg; 2. base; 3. support rod; 4. stirring chamber; 5. connecting pipe; 6. reaction chamber; 7. discharge pipe; 8. feeding port; 9. collecting drawer; 10. magnetic strip; 11. sealing cover; 12. exhaust pipe; 13. rotating shaft; 14. stirring paddle; 15. motor; 16. threaded port. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 The metal aluminum recovery device in the process of crushing the electrolytic aluminum overhaul slag includes four legs 1, the tops of the four legs 1 are fixedly connected to the same base 2, the top of the base 2 is fixedly connected to a plurality of support rods 3, a stirring chamber 4 is fixedly connected to the support rods 3, a reaction chamber 6 is fixedly connected to the top of the base 2, and a connecting pipe 5 is connected between the stirring chamber 4 and the reaction chamber 6; the stirring chamber 4 is barrel-shaped, and the purpose is to facilitate stirring to crush the overhaul slag added therein.

[0022] The reaction chamber 6 is provided with an extraction structure for reacting with the crushed overhaul slag to extract metallic aluminum, and the stirring chamber 4 is provided with a crushing structure for crushing the overhaul slag.

[0023] The extraction structure includes a discharge pipe 7 fixedly arranged on the reaction bin 6, and the discharge pipe 7 and the reaction bin 6 are connected, a feeding port 8 is provided on the top of the reaction bin 6, a collecting bin 9 is slidably connected to the reaction bin 6, and a magnetic strip 10 is fixedly installed on one end of the collecting bin 9. The discharge pipe 7 is arranged on the side of the reaction bin 6 away from the stirring bin 4, in order to facilitate the collection of materials after the reaction by the staff; the multiple filter holes provided on the collecting bin 9 are for the convenience of collecting unreacted residues, and the reacted aluminum melts into the solution and moves downward through the filter holes; the magnetic strip 10 is for the convenience of fixing the collecting bin 9, and the magnetic strip 10 and the inner wall of the reaction bin 6 are attracted and fixed.

[0024] The crushing structure includes a sealing cover 11 threadedly connected to the mixing chamber 4, an exhaust pipe 12 is fixedly passed through the top of the sealing cover 11, a rotating shaft 13 is rotatably connected in the mixing chamber 4, a plurality of stirring paddles 14 are fixedly connected to the end surface of the outer wall of the rotating shaft 13, and a motor 15 for driving the rotating shaft 13 to rotate is fixedly connected to the bottom of the mixing chamber 4. The exhaust pipe 12 is for the convenience of the staff to collect the exhaust gas generated by the mixing to prevent the exhaust gas from polluting the environment.

[0025] The top of the mixing bin 4 is provided with a threaded opening 16 for threadedly installing the sealing cover 11. It is convenient to remove the sealing cover 11 and add the overhaul slag into the mixing bin 4.

[0026] The connecting pipe 5 and the discharge pipe 7 are both fixedly mounted with speed control valves for controlling the material flow rate and discharge, and the exhaust pipe 12 is provided with a solenoid valve for controlling gas discharge.

[0027] A universal wheel is fixedly mounted at the bottom end of the leg 1 to facilitate the movement of the device.

[0028] The functional principle of the utility model can be explained through the following operation modes:

[0029] When using the device, first, the overhaul slag is introduced into the stirring chamber 4 through the threaded opening 16, the sealing cover 11 is screwed on the thread, so that the sealing cover 11 seals the stirring chamber 4, and the motor 15 is started, the motor 15 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the stirring paddle 14 to rotate and crush the overhaul slag, and the crushed overhaul slag flows into the reaction chamber 6 through the connecting pipe 5;

[0030] The reaction materials and reaction liquid that react with the metal aluminum are added to the reaction chamber 6 in advance. After the reaction materials and reaction liquid react with the overhaul slag, the metal aluminum is dissolved in the reaction liquid. As the reaction liquid falls to the bottom of the inner cavity of the reaction chamber 6 through the filter holes, the unreacted materials are filtered and collected in the collection drawer 9.

[0031] Finally, the valve on the discharge pipe 7 is started to collect the solution uniformly.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A metal aluminum recovery device in the process of crushing slag for electrolytic aluminum overhaul, comprising four legs (1), the tops of the four legs (1) being fixedly connected to the same base (2), characterized in that: A plurality of support rods (3) are fixedly connected to the top of the base (2), a stirring chamber (4) is fixedly connected to the support rods (3), a reaction chamber (6) is fixedly connected to the top of the base (2), and a connecting pipe (5) is connected between the stirring chamber (4) and the reaction chamber (6); The reaction chamber (6) is provided with an extraction structure for reacting with the crushed overhaul slag to extract metallic aluminum, and the stirring chamber (4) is provided with a crushing structure for crushing the overhaul slag.

2. The metal aluminum recovery device in the electrolytic aluminum overhaul slag crushing process according to claim 1 is characterized in that: The extraction structure comprises a discharge pipe (7) fixedly arranged on the reaction chamber (6), and the discharge pipe (7) and the reaction chamber (6) are connected, a feeding port (8) is provided on the top of the reaction chamber (6), a collecting drawer (9) is slidably connected to the reaction chamber (6), and a magnetic attraction strip (10) is fixedly installed at one end of the collecting drawer (9).

3. The metal aluminum recovery device in the electrolytic aluminum overhaul slag crushing process according to claim 1 is characterized in that: The crushing structure comprises a sealing cover (11) threadedly connected to the stirring chamber (4), an exhaust pipe (12) fixedly passing through the top of the sealing cover (11), a rotating shaft (13) rotatably connected inside the stirring chamber (4), a plurality of stirring paddles (14) fixedly connected to the end surface of the outer wall of the rotating shaft (13), and a motor (15) for driving the rotating shaft (13) to rotate fixedly connected to the bottom end of the stirring chamber (4).

4. The metal aluminum recovery device in the electrolytic aluminum overhaul slag crushing process according to claim 3 is characterized in that: A threaded opening (16) is provided on the top of the mixing chamber (4) for convenient threaded installation of the sealing cover (11).

5. The metal aluminum recovery device in the electrolytic aluminum overhaul slag crushing process according to claim 1 is characterized in that: A universal wheel is fixedly mounted at the bottom end of the support leg (1) to facilitate the movement of the device.

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