CN219174586U - Waste battery metal leaching equipment - Google Patents
Waste battery metal leaching equipment Download PDFInfo
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- CN219174586U CN219174586U CN202223261406.4U CN202223261406U CN219174586U CN 219174586 U CN219174586 U CN 219174586U CN 202223261406 U CN202223261406 U CN 202223261406U CN 219174586 U CN219174586 U CN 219174586U
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Abstract
The utility model relates to the technical field of battery recovery, in particular to waste battery metal leaching equipment, which comprises a tank body, wherein a motor is fixed on the tank body, the output end of the motor is fixed with a stirring shaft in the tank body, a plurality of stirring blades are fixed on the stirring shaft, a plurality of through holes penetrating the stirring blades are uniformly formed in the stirring blades, a plurality of air dispersing pipes are also fixed at the bottom of the stirring shaft, a plurality of air outlet holes are uniformly formed in the air dispersing pipes, the air outlet holes are communicated with an air inlet pipe on the tank body, a feed pipe is also fixed on the tank body, and a discharge pipe is fixed at the bottom of the tank body. The device can effectively improve the leaching efficiency of metal and greatly reduce the usage amount of sulfur dioxide.
Description
[ field of technology ]
The utility model relates to the technical field of battery recovery, in particular to metal leaching equipment for waste batteries.
[ background Art ]
The lithium ion battery is widely applied to the fields of 3C products, vehicles, communication base stations and energy storage due to the advantages of high specific energy, low self-discharge rate, environmental friendliness and the like. It is reported that the accumulated production and marketing of new energy automobiles in China in 2020 will exceed 500 ten thousand, the scrapped power battery is about 32.77 ten thousand tons, and the power battery market in 2025 is expected to exceed 600 hundred million yuan.
The existing recovery mode of valuable metal of lithium battery is to recover by wet process, add the positive electrode powder of waste lithium battery into leaching tank, dissolve the powder by deionized water, and then introduce SO into the tank 2 Reducing high valence Ni, co and Mn in the positive electrode material to low valence and SO simultaneously 2 Is oxidized to SO 3 Redissolved in water provides sulfate ions that combine with metal ions to form salts, as in patent application No.: CN202120387375.3 discloses a nickel salt leaching tank, the left side of the top of the tank cover of the leaching tank is connected with a hard air pipe, the top end of the hard air pipe is externally connected with an external sulfur dioxide conveying mechanism, the bottom end of the hard air pipe penetrates through the tank cover and extends to the inside of the tank body, and SO is input into the leaching tank through the hard air pipe 2 Gas by SO 2 The gas contacts with the solution in the leaching tank to recover valuable metal after the metal ions are reduced, but the leaching device introduces SO into the leaching tank through an air pipe 2 Gas mode, SO 2 After forming large bubbles in the solution, the solution rises to be discharged out of the leaching tank, SO that SO can not be ensured 2 The gas is fully contacted with the solution, resulting in the need for more SO 2 The gas can realize the reduction of the metal, the metal leaching time is long, and SO 2 The leaching efficiency is low.
The utility model is researched and proposed for overcoming the defects of the prior art.
[ utility model ]
The utility model aims to overcome the defects of the prior art and provides a waste battery metal leaching device.
The utility model can be realized by the following technical scheme:
the utility model discloses waste battery metal leaching equipment which comprises a tank body, wherein a motor is fixed on the tank body, the output end of the motor is fixed with a stirring shaft in the tank body, a plurality of stirring blades are fixed on the stirring shaft, a plurality of through holes penetrating the stirring blades are uniformly formed in the stirring blades, a plurality of air dispersing pipes are also fixed at the bottom of the stirring shaft, a plurality of air outlet holes are uniformly formed in the air dispersing pipes, the air outlet holes are communicated with an air inlet pipe in the tank body, a feed pipe is also fixed on the tank body, and a discharge pipe is fixed at the bottom of the tank body. The method comprises the steps that powder after positive electrode breaking of waste batteries is put into a tank body, deionized water is put into the tank body, sulfur dioxide gas is discharged into the tank body through an air inlet pipe and is discharged through an upper air outlet hole of an air dispersing pipe, a stirring shaft is driven to rotate through a motor, the air dispersing pipe rotates along with the stirring shaft, gas is discharged from the air outlet hole, when the air dispersing pipe moves, and because of the aperture limitation of the air outlet hole, the sulfur dioxide gas forms tiny bubbles in a solution, and bubbles rise to stir the solution through stirring blades, the leaching efficiency is improved, and the contact area of sulfur dioxide and the solution is further increased through stirring blades to cut and break up the sulfur dioxide bubbles, the leaching efficiency of valuable metals is further improved, and a plurality of through holes are formed in the stirring blades.
Preferably, an exhaust pipe is also fixed on the tank body. And the sulfur dioxide gas and the generated harmful gas are discharged through the exhaust pipe and then are collected and treated, so that the environment is prevented from being polluted.
Preferably, the stirring shaft is provided with a connecting channel, the stirring shaft is further provided with a connecting block, the connecting block is provided with a connecting cavity, the stirring shaft is further provided with a plurality of air inlets communicated with the connecting cavity and the connecting channel, the air inlet pipe is communicated with the connecting cavity on the connecting block, the air dispersing pipe is provided with an air dispersing channel, the air outlet hole is communicated with the air dispersing channel, and the air dispersing channel is communicated with the connecting channel. Sulfur dioxide gas enters the connecting cavity through the air inlet pipe and then enters the connecting channel through the air inlet hole, and is discharged through the air outlet hole after entering the air dispersing channel through the connecting channel, so that the sulfur dioxide gas is discharged from the air outlet hole at the bottom of the tank body.
Preferably, the stirring blade has a V-shaped structure. The stirring blade is of a V-shaped structure, sulfur dioxide bubbles are gathered on the stirring blade, the residence time of sulfur dioxide in the solution is increased, the leaching rate of valuable metals is increased, the sulfur dioxide bubbles rotate along with the stirring blade, the sulfur dioxide is discharged through the through hole, and the sulfur dioxide bubbles are cut through the through hole.
Preferably, a baffle is fixed on one side below the stirring blade. Sulfur dioxide bubble is directly thrown away the back and discharged when avoiding stirring leaf to rotate through the baffle, can effectively increase the dwell time of sulfur dioxide in solution through setting up the baffle, increases valuable metal's leaching rate.
Preferably, the bottom of the stirring shaft is provided with a positioning block rotationally connected with the stirring shaft, the stirring shaft is provided with a connecting channel, the air dispersing pipe is provided with an air dispersing channel, the air outlet hole is communicated with the air dispersing channel, the air dispersing channel is communicated with the connecting channel, and the tail end of the air inlet pipe is fixed on the positioning block. Sulfur dioxide gas enters the connecting channel of the stirring shaft through the air inlet pipe, then enters the air dispersing channel and is discharged through the air outlet hole on the air dispersing pipe.
Compared with the prior art, the utility model has the following advantages:
1. sulfur dioxide gas is discharged through the last venthole of gas diffusion pipe to through motor drive (mixing) shaft rotation, the gas diffusion pipe rotates along with the (mixing) shaft, and gas is discharged from the venthole, and when the gas diffusion pipe removes, and because venthole aperture restriction, sulfur dioxide gas forms the tiny bubble in solution, increases sulfur dioxide and solution's area of contact, improves the leaching efficiency of metal, very big reduction sulfur dioxide leaching efficiency.
2. When the bubbles rise, the bubbles pass through the stirring blades, and the solution is stirred through the stirring blades, so that the leaching efficiency of the metal is improved.
3. Be provided with a plurality of through-holes on the stirring leaf, when the bubble passes through the through-hole, further break up the sulfur dioxide bubble through the through-hole, increase the contact of sulfur dioxide and solution, further improve the leaching efficiency of metal, very big reduction sulfur dioxide's use amount to set up the through-hole and can realize that the bubble adsorbs on the through-hole, increase the dwell time of sulfur dioxide gas in the solution, further improve the leaching efficiency of metal.
[ description of the drawings ]
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B in FIG. 2;
FIG. 5 is an enlarged view of FIG. 4 at C;
FIG. 6 is an enlarged view of FIG. 3 at D;
in the figure: 1. a tank body; 2. a stirring shaft; 3. a motor; 4. a feed pipe; 5. an exhaust pipe; 6. an air inlet pipe; 7. a discharge pipe; 8. a gas dispersing pipe; 9. an air outlet hole; 10. a connection channel; 11. an air inlet hole; 12. a gas dispersing channel; 13. a connecting block; 14. a connecting cavity; 15. a baffle; 16. stirring the leaves; 17. a through hole;
[ detailed description ] of the utility model
Embodiments of the present utility model will be described in detail below with reference to the attached drawings:
example 1:
as shown in fig. 1 to 6, this embodiment discloses a waste battery metal leaching device, which comprises a tank body 1, a motor 3 is fixed on the tank body 1, the output end of the motor 3 is fixed with a stirring shaft 2 inside the tank body 1, a plurality of stirring blades 16 are fixed on the stirring shaft 2, a plurality of through holes 17 penetrating the stirring blades 16 are uniformly arranged on the stirring blades 16, a plurality of air dispersing pipes 8 are also fixed at the bottom of the stirring shaft 2, a plurality of air outlet holes 9 are uniformly arranged on the air dispersing pipes 8, the air outlet holes 9 are communicated with an air inlet pipe 6 on the tank body 1, a feed pipe 4 is also fixed on the tank body 1, and a discharge pipe 7 is fixed at the bottom of the tank body 1. The powder after the positive electrode of the waste battery is crushed is put into the tank body 1, deionized water is put into the tank body 1, sulfur dioxide gas is discharged into the tank body 1 through the air inlet pipe 6, the sulfur dioxide gas is discharged through the air outlet holes 9 on the air dispersing pipe 8, the stirring shaft 2 is driven to rotate through the motor 3, the air dispersing pipe 8 rotates along with the stirring shaft 2, the air is discharged from the air outlet holes 9, when the air dispersing pipe 8 moves, and because the aperture of the air outlet holes 9 is limited, the sulfur dioxide gas forms tiny bubbles in the solution, and the bubbles rise and pass through the stirring blades 16, the solution is stirred through the stirring blades 16, the leaching efficiency is improved, and the contact area between sulfur dioxide and the solution is further increased through the cutting and scattering of the sulfur dioxide bubbles by the stirring blades 16, the leaching efficiency of valuable metals is further improved, and when the bubbles pass through the through holes 17, the contact between the sulfur dioxide bubbles and the solution is increased, the leaching efficiency of the metal is further improved, and the usage of the sulfur dioxide is greatly reduced.
Wherein, the tank body 1 is also fixed with an exhaust pipe 5. The sulfur dioxide gas and the generated harmful gas are discharged through the exhaust pipe 5 and then are collected and treated, so that the environment is prevented from being polluted.
Wherein, be provided with connecting channel 10 on the (mixing) shaft 2, still be provided with on the (mixing) shaft 2 with (mixing) shaft 2 rotate connecting block 13 of being connected, be provided with connecting chamber 14 on the connecting block 13, still be provided with a plurality of intercommunication connecting chamber 14 and connecting channel 10's inlet port 11 on the (mixing) shaft 2, connecting chamber 14 intercommunication on intake pipe 6 and the connecting block 13, be provided with the gas dispersing channel 12 on the gas dispersing pipe 8, gas outlet hole 9 and gas dispersing channel 12 intercommunication, gas dispersing channel 12 and connecting channel 10 intercommunication. Sulfur dioxide gas enters the connecting cavity 14 through the air inlet pipe 6, then enters the connecting channel 10 through the air inlet hole 11, enters the air dispersing channel 12 through the connecting channel 10, and then is discharged through the air outlet hole 9, so that the sulfur dioxide gas is discharged from the air outlet hole 9 at the bottom of the tank body 1.
Example 2:
the embodiment discloses equipment is leached to waste battery metal contains a jar body 1, be fixed with motor 3 on the jar body 1, motor 3 output is fixed with the inside (mixing) shaft 2 of jar body 1, be fixed with a plurality of stirring leaf 16 on the (mixing) shaft 2, evenly be provided with a plurality of through-holes 17 that run through stirring leaf 16 on the stirring leaf 16, the (mixing) shaft 2 bottom still is fixed with many air-dispersing pipes 8, evenly be provided with a plurality of ventholes 9 on the air-dispersing pipe 8, the air-dispersing pipe 9 communicates with intake pipe 6 on the jar body 1, still be fixed with inlet pipe 4 on the jar body 1, jar body 1 bottom is fixed with row material pipe 7. The powder after the positive electrode of the waste battery is crushed is put into the tank body 1, deionized water is put into the tank body 1, sulfur dioxide gas is discharged into the tank body 1 through the air inlet pipe 6, the sulfur dioxide gas is discharged through the air outlet holes 9 on the air dispersing pipe 8, the stirring shaft 2 is driven to rotate through the motor 3, the air dispersing pipe 8 rotates along with the stirring shaft 2, the air is discharged from the air outlet holes 9, when the air dispersing pipe 8 moves, and because the aperture of the air outlet holes 9 is limited, the sulfur dioxide gas forms tiny bubbles in the solution, and the bubbles rise and pass through the stirring blades 16, the solution is stirred through the stirring blades 16, the leaching efficiency is improved, and the contact area between sulfur dioxide and the solution is further increased through the cutting and scattering of the sulfur dioxide bubbles by the stirring blades 16, the leaching efficiency of valuable metals is further improved, and when the bubbles pass through the through holes 17, the contact between the sulfur dioxide bubbles and the solution is increased, the leaching efficiency of the metal is further improved, and the usage of the sulfur dioxide is greatly reduced.
Wherein, the tank body 1 is also fixed with an exhaust pipe 5. The sulfur dioxide gas and the generated harmful gas are discharged through the exhaust pipe 5 and then are collected and treated, so that the environment is prevented from being polluted.
Wherein, the (mixing) shaft 2 bottom is provided with the locating piece of being connected with (mixing) shaft 2 rotation, is provided with connecting channel 10 on the (mixing) shaft 2, is provided with the scattered gas channel 12 on the scattered gas pipe 8, and venthole 9 and scattered gas channel 12 intercommunication, scattered gas channel 12 and connecting channel 10 intercommunication, and intake pipe 6 end is fixed on the locating piece. Sulfur dioxide gas enters the connecting channel 10 of the stirring shaft 2 through the air inlet pipe 6, then enters the air dispersing channel 12 and is discharged through the air outlet hole 9 on the air dispersing pipe.
Example 3:
the embodiment discloses a waste battery metal leaching device, and on the basis of the structure and principle of embodiment 1 or embodiment 2, the stirring blade 16 of the embodiment is of a V-shaped structure. The stirring blade 16 is of a V-shaped structure, sulfur dioxide bubbles are gathered on the stirring blade 16, the residence time of sulfur dioxide in the solution is increased, the leaching rate of valuable metals is increased, the sulfur dioxide bubbles rotate along with the stirring blade 16, the sulfur dioxide is discharged through the through hole 17, and the sulfur dioxide bubbles are cut through the through hole 17.
Example 4:
the embodiment discloses a waste battery metal leaching device, wherein a baffle 15 is fixed on one side below a stirring blade 16 of the embodiment on the basis of the structure and principle of any one of embodiments 1 to 3. The baffle 15 is used for avoiding that sulfur dioxide bubbles are directly thrown out from the stirring blade 16 and discharged when the stirring blade 16 rotates, and the baffle 15 can be used for effectively increasing the residence time of sulfur dioxide in the solution and increasing the leaching rate of valuable metals.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that various changes, modifications, substitutions and alterations can be made herein by those skilled in the art without departing from the technical principles of the present utility model, and such changes, modifications, substitutions and alterations are also to be regarded as the scope of the utility model.
Claims (6)
1. The utility model provides a waste battery metal leaches equipment, contains a jar body, its characterized in that: the novel stirring tank is characterized in that a motor is fixed on the tank body, the output end of the motor is fixed with a stirring shaft inside the tank body, a plurality of stirring blades are fixed on the stirring shaft, a plurality of through holes penetrating the stirring blades are uniformly formed in the stirring blades, a plurality of air dispersing pipes are further fixed at the bottom of the stirring shaft, a plurality of air outlet holes are uniformly formed in the air dispersing pipes, the air outlet holes are communicated with an air inlet pipe on the tank body, a feeding pipe is further fixed on the tank body, and a discharging pipe is fixed at the bottom of the tank body.
2. The spent battery metal leaching apparatus of claim 1, wherein: an exhaust pipe is also fixed on the tank body.
3. The spent battery metal leaching apparatus of claim 1, wherein: the stirring shaft is provided with a connecting channel, the stirring shaft is also provided with a connecting block, the connecting block is provided with a connecting cavity, the stirring shaft is also provided with a plurality of air inlets communicated with the connecting cavity and the connecting channel, the air inlet pipe is communicated with the connecting cavity on the connecting block, the air dispersing pipe is provided with an air dispersing channel, the air outlet hole is communicated with the air dispersing channel, and the air dispersing channel is communicated with the connecting channel.
4. The spent battery metal leaching apparatus of claim 1, wherein: the stirring blade is of a V-shaped structure.
5. The spent battery metal leaching apparatus of claim 1, wherein: a baffle is fixed on one side below the stirring blade.
6. The spent battery metal leaching apparatus of claim 1, wherein: the stirring shaft bottom is provided with the locating piece of being connected with the stirring shaft rotation, be provided with connecting channel on the stirring shaft, be provided with the gas dispersing channel on the gas dispersing pipe, the venthole communicates with the gas dispersing channel, gas dispersing channel communicates with connecting channel, the intake pipe end is fixed on the locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261406.4U CN219174586U (en) | 2022-12-06 | 2022-12-06 | Waste battery metal leaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261406.4U CN219174586U (en) | 2022-12-06 | 2022-12-06 | Waste battery metal leaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219174586U true CN219174586U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223261406.4U Active CN219174586U (en) | 2022-12-06 | 2022-12-06 | Waste battery metal leaching equipment |
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| CN (1) | CN219174586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117467856A (en) * | 2023-11-01 | 2024-01-30 | 北京市弘洁蓝天科技股份有限公司 | Equipment for recovering heavy metal from nickel-cadmium battery |
-
2022
- 2022-12-06 CN CN202223261406.4U patent/CN219174586U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117467856A (en) * | 2023-11-01 | 2024-01-30 | 北京市弘洁蓝天科技股份有限公司 | Equipment for recovering heavy metal from nickel-cadmium battery |
| CN117467856B (en) * | 2023-11-01 | 2024-04-09 | 北京市弘洁蓝天科技股份有限公司 | Equipment for recovering heavy metal from nickel-cadmium battery |
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