Multi-granularity crushing treatment system for anode scraps
By designing a multi-particle-size crushing and processing system for residual electrodes, the system crushes and removes iron in stages, solving the problems of anode waste and high iron content caused by simple residual electrode processing methods. This achieves efficient recycling of residual electrodes and high-quality production of new anodes.
Patent Information
- Application Number
- CN202422840035.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Existing aluminum electrolysis plants use simple methods for handling residual electrodes, resulting in significant anode waste, high production costs, severe dust pollution, high iron content in new anodes, and low levels of process automation.
Design a multi-particle-size anode crushing and processing system, including anode pressing and stripping, coarse crushing, medium crushing, fine crushing and storage and transportation device. By crushing and removing iron in stages, the anode recovery rate is improved for use in new anode production.
It improves the recovery rate of residual anodes, reduces production costs and labor intensity, improves the working environment, increases the degree of factory automation, and reduces the iron content in new anodes.
Smart Images
Figure CN223641957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a residual electrode multi -granularity crushing treatment system belongs to aluminum electrolysis technical field. BACKGROUND
[0002] At present, the residual electrode treatment method of most domestic aluminum electrolysis plants is relatively simple, after the residual electrode surface is cleaned, it is all put into the residual electrode pressure removal equipment, is sent to the warehouse after pressure removal, then is directly shipped for sale, and new anodes are purchased for production at the same time, and this mode causes great waste of anodes, and the residual electrode carbon block is stacked in an environment with large dust, and the working environment is poor, which is not conducive to long-time work of workers.
[0003] In addition, part of the aluminum plant will participate in the production of new anodes after the residual electrode is crushed once, the process is simple, and there is not enough iron removal equipment, so that the new anode contains more iron elements, which is not conducive to the production of electrolytic cell.
[0004] In summary, the residual electrode outsourcing causes great waste of new anodes, resulting in high production cost of the aluminum plant, the residual electrode crushing process is simple and does not have a deep iron removal process, resulting in high iron content of the newly produced anode. SUMMARY
[0005] The utility model discloses a residual electrode multi -granularity crushing treatment system, including residual electrode pressure removal device, the tail end of residual electrode pressure removal device is connected with the head end of residual electrode coarse crushing device, the tail end of residual electrode coarse crushing device is connected with the head end of residual electrode medium crushing device, the tail end of residual electrode medium crushing device is connected with the head end of residual electrode fine crushing device, the tail end of residual electrode fine crushing device is connected with residual electrode storage and transportation device,
[0006] The utility model discloses a residual electrode multi -granularity crushing treatment system, including residual electrode pressure removal device, the tail end of residual electrode pressure removal device is connected with the head end of residual electrode coarse crushing device, the tail end of residual electrode coarse crushing device is connected with the head end of residual electrode medium crushing device, the tail end of residual electrode medium crushing device is connected with the head end of residual electrode fine crushing device, the tail end of residual electrode fine crushing device is connected with residual electrode storage and transportation device,
[0007] The residual electrode pressure removal device includes a large residual electrode pressure removal machine, an automatic residual electrode pressure removal machine, an oil pressure crusher, a first large inclination belt conveyor and a first iron remover, wherein the large residual electrode pressure removal machine, the automatic residual electrode pressure removal machine and the oil pressure crusher are all arranged above the front section of the first large inclination belt conveyor, the inlet of the oil pressure crusher is located directly below the outlet of the large residual electrode pressure removal machine, and the first iron remover is arranged on the rear section of the first large inclination belt conveyor.
[0008] The residual electrode coarse crushing device comprises a buffer bin, a first double-toothed roller crusher, a second large-inclination belt conveyor and a second iron remover; the buffer bin is connected with the end of the residual electrode pressing-off device; the first double-toothed roller crusher is arranged at the outlet of the buffer bin; the second large-inclination belt conveyor is arranged directly below the first double-toothed roller crusher; and the second iron remover is arranged on the rear section of the second large-inclination belt conveyor.
[0009] In the residual electrode multi-granularity crushing treatment system, two outlets are arranged on the buffer bin, one first double-toothed roller crusher is arranged at each outlet, and one second large-inclination belt conveyor is arranged directly below each first double-toothed roller crusher.
[0010] In the residual electrode multi-granularity crushing treatment system, the residual electrode medium crushing device comprises a second double-toothed roller crusher, a first horizontal belt conveyor, a third large-inclination belt conveyor and a third iron remover; the second double-toothed roller crusher is arranged directly below the end of the residual electrode coarse crushing device; the first horizontal belt conveyor is arranged directly below the second double-toothed roller crusher; the third large-inclination belt conveyor is connected with the end of the first horizontal belt conveyor; and the third iron remover is arranged on the rear section of the third large-inclination belt conveyor.
[0011] In the residual electrode multi-granularity crushing treatment system, two sets of residual electrode coarse crushing devices and residual electrode medium crushing devices are arranged; one set of residual electrode coarse crushing device is connected with one set of residual electrode medium crushing device.
[0012] In the residual electrode multi-granularity crushing treatment system, the residual electrode fine crushing device comprises a third double-toothed roller crusher and a second horizontal belt conveyor; the third double-toothed roller crusher is arranged directly below the end of the residual electrode medium crushing device; and the second horizontal belt conveyor is arranged directly below the third double-toothed roller crusher.
[0013] In the residual electrode multi-granularity crushing treatment system, two sets of residual electrode coarse crushing devices and residual electrode medium crushing devices are arranged; one set of residual electrode coarse crushing device is connected with one set of residual electrode medium crushing device; one third double-toothed roller crusher is arranged at the end of each set of residual electrode medium crushing device; and the two third double-toothed roller crushers are arranged directly above the same second horizontal belt conveyor.
[0014] In the preceding residual electrode multi-particle size crushing treatment system, the residual electrode storage and transportation device comprises a first bucket elevator, a third horizontal belt conveyor, a second bucket elevator, a fourth horizontal belt conveyor, a residual electrode bin, a quantitative feeder, and a flexible hose; the inlet of the first bucket elevator is connected with the tail end of the residual electrode fine crushing device, the outlet of the first bucket elevator is connected with the head end of the third horizontal belt conveyor, the tail end of the third horizontal belt conveyor is connected with the inlet of the second bucket elevator, the outlet of the second bucket elevator is connected with the head end of the fourth horizontal belt conveyor, the residual electrode bin is arranged directly below the tail end of the fourth horizontal belt conveyor, the quantitative feeder is arranged at the outlet of the residual electrode bin, and the outlet of the quantitative feeder is connected with the flexible hose.
[0015] In the preceding residual electrode multi-particle size crushing treatment system, the tail end of the residual electrode fine crushing device is connected with a first electro-hydraulic tee joint, two outlets of the first electro-hydraulic tee joint are respectively connected with the inlets of two first bucket elevators, the outlets of the two first bucket elevators are respectively connected with the head end of the third horizontal belt conveyor, the tail end of the third horizontal belt conveyor is connected with a second electro-hydraulic tee joint, two outlets of the second electro-hydraulic tee joint are respectively connected with the inlets of two second bucket elevators, the outlets of the two second bucket elevators are respectively connected with the head end of the fourth horizontal belt conveyor, two outlets are arranged on the residual electrode bin, one quantitative feeder is arranged at each outlet, one third electro-hydraulic tee joint is connected with the outlet of each quantitative feeder, and two flexible hoses are respectively connected with the two outlets of each third electro-hydraulic tee joint.
[0016] Compared with the prior art, the residual electrode compression and stripping device, the residual electrode coarse crushing device, the residual electrode medium crushing device, the residual electrode fine crushing device, and the residual electrode storage and transportation device are arranged, the residual electrode can be subjected to multiple crushing treatments after being subjected to compression and stripping treatment, the residual electrode is gradually crushed and then fed into the residual electrode bin, and the residual electrode material is used for the production of new anodes, so that the residual electrode recovery rate is improved, the labor intensity and the production cost of enterprises are reduced, and the degree of automation of the factory is improved. The multiple iron removers arranged in the whole system make the content of iron elements in the new anode small, which is beneficial to the production of the electrolytic cell. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 FIG. 1 is a structural schematic diagram of the present utility model;
[0018] Figure 2 FIG. 2 is a structural schematic diagram of the residual electrode compression and stripping device;
[0019] Figure 3 FIG. 3 is a structural schematic diagram of the residual electrode coarse crushing device, the residual electrode medium crushing device, and the residual electrode fine crushing device;
[0020] Figure 4 FIG. 4 is a structural schematic diagram of the residual electrode storage and transportation device;
[0021] Figure 5 The processing flow chart of the system.
[0022] The figure marks: 1-large block residual electrode pressure off-line, 2-automatic residual electrode pressure off-line, 3-oil pressure crusher, 4-first large inclination belt conveyor, 5-first iron remover, 6-buffer bin, 7-first double-toothed roller crusher, 8-second large inclination belt conveyor, 9-second iron remover, 10-first double-toothed roller crusher, 11-first horizontal belt conveyor, 12-second large inclination belt conveyor, 13-third iron remover, 14-second double-toothed roller crusher, 15-second horizontal belt conveyor, 16-first electro-hydraulic tee, 17-first bucket elevator, 18-third horizontal belt conveyor, 19-second electro-hydraulic tee, 20-second bucket elevator, 21-fourth horizontal belt conveyor, 22-residual electrode bin, 23-constant feeder, 24-third electro-hydraulic tee, 25-telescopic hose, 26-tank car. DETAILED DESCRIPTION
[0023] The utility model will be further explained in connection with the drawings and examples, but not as the basis for the limitation of the utility model.
[0024] The utility model discloses an embodiment: a residual electrode multi-granularity crushing treatment system, including residual electrode pressure off-line device, the tail end of residual electrode pressure off-line device is connected with the head end of residual electrode coarse crushing device, the tail end of residual electrode coarse crushing device is connected with the head end of residual electrode medium crushing device, the tail end of residual electrode medium crushing device is connected with the head end of residual electrode fine crushing device, and the tail end of residual electrode fine crushing device is connected with residual electrode storage and transportation device.
[0025] In the use, residual electrode first enters residual electrode pressure off-line device and carries out pressure off-line processing, and the material after pressure off-line processing is sent to residual electrode coarse crushing device and carries out primary crushing, and the material after primary crushing enters residual electrode medium crushing device and carries out secondary crushing, and the material after secondary crushing enters residual electrode fine crushing device and carries out third crushing, and the material after third crushing shifts to residual electrode storage and transportation device.
[0026] In the above process flow, the particle size of the material after residual electrode pressure off-line is ≤350mm, the particle size of the material after residual electrode coarse crushing is ≤300mm, the particle size of the material after residual electrode medium crushing is ≤150mm, and the particle size of the material after residual electrode fine crushing is ≤60mm.
[0027] The residual electrode pressure off-line device includes large block residual electrode pressure off-line machine 1, automatic residual electrode pressure off-line machine 2, oil pressure crusher 3, first large inclination belt conveyor 4 and first iron remover 5, wherein the large block residual electrode pressure off-line machine 1, automatic residual electrode pressure off-line machine 2 and oil pressure crusher 3 are all arranged above the front section of the first large inclination belt conveyor 4, the inlet of the oil pressure crusher 3 is located directly below the outlet of the large block residual electrode pressure off-line machine 1, and the first iron remover 5 is arranged on the rear section of the first large inclination belt conveyor 4.
[0028] Wherein the bulk residual electrode pressure off-line 1 and the oil pressure crusher 3 form a set of pressure off device, mainly used for processing larger size residual electrode, while the automatic residual electrode pressure off-line 2 itself is a set of pressure off device, mainly used for processing smaller size residual electrode. During the pressure off, the larger size residual electrode is firstly put into the bulk residual electrode pressure off-line 1 for pressure off treatment and then dropped into the oil pressure crusher 3 for processing, so as to complete the pressure off treatment of the residual electrode. The residual electrode after pressure off treatment is dropped onto the first large inclination belt conveyor 4 and transported to the residual electrode coarse crushing device for initial crushing treatment. The smaller size residual electrode is directly put into the automatic residual electrode pressure off-line 2 for pressure off treatment. During the residual electrode conveying process, the iron slag in the material after pressure off treatment is removed by the first iron remover 5.
[0029] The residual electrode coarse crushing device comprises a buffer bin 6, a first double-toothed roller crusher 7, a second large inclination belt conveyor 8 and a second iron remover 9. The buffer bin 6 is connected with the end of the residual electrode pressure off device. The first double-toothed roller crusher 7 is arranged at the outlet of the buffer bin 6. The second large inclination belt conveyor 8 is arranged directly below the first double-toothed roller crusher 7. The second iron remover 9 is arranged on the rear section of the second large inclination belt conveyor 8.
[0030] The residual electrode after pressure off treatment is stored in the buffer bin 6. After initial crushing by the first double-toothed roller crusher 7, it is dropped onto the second large inclination belt conveyor 8 and transported to the residual electrode medium crushing device. During the conveying process, the iron slag in the material after coarse crushing is removed by the second iron remover 9.
[0031] Two outlets are arranged on the buffer bin 6. One first double-toothed roller crusher 7 is arranged at each outlet. One second large inclination belt conveyor 8 is arranged directly below each first double-toothed roller crusher 7. Two first double-toothed roller crushers 7 and two second large inclination belt conveyors 8 are arranged to form two sets of residual electrode coarse crushing devices. The two sets of devices are standby for each other, so that the whole residual electrode processing process is not interrupted when the device is damaged.
[0032] The residual electrode medium crushing device comprises a second double-toothed roller crusher 10, a first horizontal belt conveyor 11, a third large inclination belt conveyor 12 and a third iron remover 13. The second double-toothed roller crusher 10 is arranged directly below the end of the residual electrode coarse crushing device. The first horizontal belt conveyor 11 is arranged directly below the second double-toothed roller crusher 10. The third large inclination belt conveyor 12 is connected with the end of the first horizontal belt conveyor 11. The third iron remover 13 is arranged on the rear section of the third large inclination belt conveyor 12.
[0033] The coarsely crushed residual pole falls from the second large-inclination belt conveyor 8 into the second double-toothed roll crusher 10 for re-crushing, and the crushed residual pole falls onto the first horizontal belt conveyor 11, is conveyed by the first horizontal belt conveyor 11, falls onto the third large-inclination belt conveyor 12, and is conveyed by the third large-inclination belt conveyor 12 to the residual pole fine crushing device, and the iron slag in the medium-crushed material is removed by the third iron remover 13 during the conveying of the residual pole on the third large-inclination belt conveyor 12.
[0034] The residual pole coarse crushing device and the residual pole medium crushing device are each provided with two sets, one set of residual pole coarse crushing device is connected with one set of residual pole medium crushing device, and two sets of residual pole coarse crushing device and residual pole medium crushing device can be used as backup, so that the whole residual pole processing process is not interrupted when the device is damaged.
[0035] The residual pole fine crushing device comprises a third double-toothed roll crusher 14 and a second horizontal belt conveyor 15, the third double-toothed roll crusher 14 is located directly below the end of the residual pole medium crushing device, and the second horizontal belt conveyor 15 is located directly below the third double-toothed roll crusher 14.
[0036] The medium-crushed residual pole falls from the end of the third large-inclination belt conveyor 12 into the third double-toothed roll crusher 14 for re-crushing, and the crushed residual pole falls onto the second horizontal belt conveyor 15, which is conveyed to the residual pole storage and conveying device by the second horizontal belt conveyor 15.
[0037] The residual pole coarse crushing device and the residual pole medium crushing device are each provided with two sets, one set of residual pole coarse crushing device is connected with one set of residual pole medium crushing device, and two sets of residual pole coarse crushing device and residual pole medium crushing device can be used as backup, so that the whole residual pole processing process is not interrupted when the device is damaged.
[0038] The residual electrode storage and transportation device comprises a first bucket elevator 17, a third horizontal belt conveyor 18, a second bucket elevator 20, a fourth horizontal belt conveyor 21, a residual electrode bin 22, a quantitative feeder 23 and a flexible hose 25.
[0039] The residual electrode crushed by the residual electrode crushing device falls into the first bucket elevator 17 through the second horizontal belt conveyor 15, is lifted upward by the first bucket elevator 17 and falls into the third horizontal belt conveyor 18, is transferred to the second bucket elevator 20 through the third horizontal belt conveyor 18, is lifted again to the fourth horizontal belt conveyor 21 through the second bucket elevator 20, is conveyed to the residual electrode bin 22 through the fourth horizontal belt conveyor 21 and is stored in the residual electrode bin 22, is automatically fed by the quantitative feeder 23 when it is needed to be loaded into a tank car 26, and is loaded into the tank car 26 by the flexible hose 25.
[0040] The residual electrode crushing device is connected with a first electro-hydraulic tee joint 16 at the end, two outlets of the first electro-hydraulic tee joint 16 are respectively connected with the inlets of two first bucket elevators 17, the outlets of the two first bucket elevators 17 are respectively connected with the head ends of the third horizontal belt conveyor 18, the end of the third horizontal belt conveyor 18 is connected with a second electro-hydraulic tee joint 19, two outlets of the second electro-hydraulic tee joint 19 are respectively connected with the inlets of two second bucket elevators 20, the outlets of the two second bucket elevators 20 are respectively connected with the head ends of the fourth horizontal belt conveyor 21, two outlets are arranged on the residual electrode bin 22, one quantitative feeder 23 is arranged at each outlet, the outlet of each quantitative feeder 23 is connected with one third electro-hydraulic tee joint 24, two outlets of each third electro-hydraulic tee joint 24 are respectively connected with two flexible hoses 25, the structure forms two sets of residual electrode lifting devices, and the two sets of residual electrode lifting devices are standby for each other. Meanwhile, two quantitative feeders 23 are arranged, and two flexible hoses 25 are connected with each quantitative feeder 23, so that the loading efficiency can be improved.
Claims
1. A residual multi-particle size crushing and processing system, characterized in that: It includes a residual electrode pressing and stripping device, the end of which is connected to the head of a residual electrode coarse crushing device, the end of which is connected to the head of a residual electrode medium crushing device, the end of which is connected to the head of a residual electrode fine crushing device, and the end of which is connected to a residual electrode storage and transportation device. The residual electrode depressurization device includes a large residual electrode depressurizer (1), an automatic residual electrode depressurizer (2), a hydraulic crusher (3), a first large-angle belt conveyor (4), and a first iron remover (5). The large residual electrode depressurizer (1), the automatic residual electrode depressurizer (2), and the hydraulic crusher (3) are all located above the front section of the first large-angle belt conveyor (4). The inlet of the hydraulic crusher (3) is located directly below the outlet of the large residual electrode depressurizer (1). The first iron remover (5) is located on the rear section of the first large-angle belt conveyor (4). The residual anode coarse crushing device includes a buffer hopper (6), a first double-toothed roller crusher (7), a second large-angle belt conveyor (8), and a second iron remover (9); wherein the buffer hopper (6) is connected to the end of the residual anode pressing and depressing device, the first double-toothed roller crusher (7) is provided at the outlet of the buffer hopper (6), the second large-angle belt conveyor (8) is provided directly below the first double-toothed roller crusher (7), and the second iron remover (9) is provided on the rear section of the second large-angle belt conveyor (8).
2. The residual multi-particle size crushing and processing system according to claim 1, characterized in that: The buffer silo (6) is provided with two outlets, each outlet is provided with a first double-toothed roller crusher (7), and a second large-angle belt conveyor (8) is provided directly below each first double-toothed roller crusher (7).
3. The residual multi-particle size crushing and processing system according to claim 1, characterized in that: The residual electrode crushing device includes a second double-toothed roller crusher (10), a first horizontal belt conveyor (11), a third large-angle belt conveyor (12), and a third iron separator (13). The second double-toothed roller crusher (10) is located directly below the end of the residual electrode coarse crushing device. The first horizontal belt conveyor (11) is located directly below the second double-toothed roller crusher (10). The end of the first horizontal belt conveyor (11) is connected to the third large-angle belt conveyor (12). The third iron separator (13) is located on the rear section of the third large-angle belt conveyor (12).
4. The residual multi-particle size crushing and processing system according to claim 3, characterized in that: The residual electrode coarse crushing device and the residual electrode medium crushing device are each provided in 2 sets, with 1 set of residual electrode coarse crushing device connected to 1 set of residual electrode medium crushing device.
5. The residual multi-particle size crushing system according to claim 1, characterized in that: The residual electrode fine crushing device includes a third double-toothed roller crusher (14) and a second horizontal belt conveyor (15). The third double-toothed roller crusher (14) is located directly below the end of the residual electrode medium crushing device, and the second horizontal belt conveyor (15) is located directly below the third double-toothed roller crusher (14).
6. The residual multi-particle size crushing and processing system according to claim 5, characterized in that: Two sets of residual electrode coarse crushing device and two sets of residual electrode medium crushing device are provided. One set of residual electrode coarse crushing device is connected to one set of residual electrode medium crushing device. One third double-toothed roller crusher (14) is set at the end of each set of residual electrode medium crushing device. The two third double-toothed roller crushers (14) are located directly above the same second horizontal belt conveyor (15).
7. The residual multi-particle size crushing system according to claim 1, characterized in that: The residual electrode storage and transportation device includes a first bucket elevator (17), a third horizontal belt conveyor (18), a second bucket elevator (20), a fourth horizontal belt conveyor (21), a residual electrode silo (22), a quantitative feeder (23), and a telescopic hose (25); wherein the inlet of the first bucket elevator (17) is connected to the end of the residual electrode crushing device, the outlet of the first bucket elevator (17) is connected to the head of the third horizontal belt conveyor (18), the end of the third horizontal belt conveyor (18) is connected to the inlet of the second bucket elevator (20), the outlet of the second bucket elevator (20) is connected to the head of the fourth horizontal belt conveyor (21), the residual electrode silo (22) is located directly below the end of the fourth horizontal belt conveyor (21), the quantitative feeder (23) is located at the outlet of the residual electrode silo (22), and the outlet of the quantitative feeder (23) is connected to the telescopic hose (25).
8. The residual multi-particle size crushing system according to claim 7, characterized in that: The end of the residual electrode crushing device is connected to a first electro-hydraulic tee (16). The two outlets of the first electro-hydraulic tee (16) are each connected to the inlet of a first bucket elevator (17). The outlets of the two first bucket elevators (17) are each connected to the head end of a third horizontal belt conveyor (18). The end of the third horizontal belt conveyor (18) is connected to a second electro-hydraulic tee (19). The two outlets of the second electro-hydraulic tee (19) are each connected to the inlet of a second bucket elevator (20). The outlets of the two second bucket elevators (20) are each connected to the head end of a fourth horizontal belt conveyor (21). The residual electrode silo (22) is provided with two outlets. Each outlet is provided with a quantitative feeder (23). Each outlet of the quantitative feeder (23) is connected to a third electro-hydraulic tee (24). The two outlets of each third electro-hydraulic tee (24) are connected to two telescopic hoses (25).