CN215869533U

CN215869533U - Lithium iron phosphate battery positive electrode waste recycling device

Info

Publication number: CN215869533U
Application number: CN202121922026.3U
Authority: CN
Inventors: 周灵怡; 范文明
Original assignee: Sec Ihi Power Generation Environment Protection Engineering Co ltd
Current assignee: Sec Ihi Power Generation Environment Protection Engineering Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-18
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a device for recycling and reusing positive wastes of lithium iron phosphate batteries, and relates to the technical field of positive waste recycling devices. The utility model discloses a set up the retort, the infiltration plate, arrange material pipe and first control valve and played the effect of accomplishing the recovery process high-efficiently conveniently, the device that need not to reuse different is stirred step by step, operations such as centrifugation, and improve work efficiency, and device easy operation, high durability and convenient use, can reduce operating personnel's intensity of labour by a wide margin, its comprehensive use effect preferred, still through setting up the baffle, the air exhauster, check valve and floating plug have played the effect of retrieving the hydrogen that the reaction produced, can effectively avoid hydrogen to throw the material, the blowing, the condition emergence of revealing under the state such as drainage, the result of use of device has been improved.

Description

Lithium iron phosphate battery positive electrode waste recycling device

Technical Field

The utility model relates to the technical field of anode waste recovery devices, in particular to a device for recycling and reusing anode waste of a lithium iron phosphate battery.

Background

After long-term use of the current lithium iron phosphate battery, the charge and discharge capacity is reduced, and most of all, the lithium iron phosphate batteryWill not meet the requirements of use in the end; one of the reasons for this is LiFePO₄Partial decomposition occurs to produce FePO₄And P₂O₅And the impurities are removed, and the battery can only be scrapped. In order to avoid the waste of resources, the anode of the lithium iron phosphate battery needs to be recycled.

In the process of recycling the positive electrode of the lithium iron phosphate battery, one process is to stir and centrifuge the crushed positive plate in a dilute sodium hydroxide solution to make the positive waste fall off from the aluminum foil.

But do not have the anodal waste recycling of corresponding lithium iron phosphate battery at present to recycle the device and can accomplish above-mentioned process high-efficiently conveniently, all can only carry out above-mentioned operation step by step, and its work efficiency is lower, and comprehensive use effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for recycling the positive electrode waste of a lithium iron phosphate battery, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: anodal waste recycling of lithium iron phosphate battery recycles device, comprising a main body, bottom one side of main part is equipped with row material pipe, the inner wall one side of arranging the material pipe is connected with the retort in the inside rotation of main part, outer wall one side of retort is equipped with the infiltration board, top one side of main part is equipped with the hopper, outer wall one side of main part is equipped with the feed liquor pipe, bottom one side of main part is equipped with the fluid-discharge tube, outer wall one side of fluid-discharge tube is equipped with the second control valve, top one side of main part be equipped with retort assorted actuating mechanism.

Further, actuating mechanism includes that vertical rotation connects in the transmission shaft of main part inner wall top one side, top one side of main part is equipped with servo motor, servo motor's output shaft and the one end fixed connection of transmission shaft, outer wall one side of transmission shaft is equipped with a plurality of bracing piece in that the retort is inside, the one end and retort inner wall one side fixed connection of transmission shaft are kept away from to the bracing piece, and it plays and drives the retort and carry out stable pivoted effect, makes its stirring centrifugation of accomplishing positive waste material.

Further, the outer wall one side that the main part is close to the top is equipped with the air exhauster, the output of air exhauster is equipped with the gas-supply pipe, outer wall one side that the main part is close to the top is equipped with the intake pipe, inner wall one side of intake pipe is equipped with the check valve, and it plays the hydrogen that produces the reaction in the device and carries out the effect of retrieving, avoids it to reveal to the external world.

Furthermore, a baffle is movably connected to one side of the inner portion, close to the feeding hopper, of the main body, a push-pull rod is arranged on one side of the outer wall of the baffle, one end, far away from the baffle, of the push-pull rod extends to the outer side of the main body, a handle is arranged on the handle, the handle plays a role in keeping the device sealed when the feeding is not carried out, and hydrogen generated by reaction is prevented from being leaked to the outside.

Further, inner wall top one side of main part is equipped with the leakage fluid dram with fluid-discharge tube assorted, inner wall one side of leakage fluid dram is equipped with the support frame, bottom one side swing joint of support frame has spacing slide bar, top one side of spacing slide bar extends to the support frame top and is equipped with the floating plug, and it plays the effect of automatic shutoff fluid-discharge tube after the device in-process is arranged to the greatest extent, avoids the hydrogen in the device to take place to reveal from this.

Further, the inner wall bottom of main part is equipped with the round platform in the row material outside of tubes, and it plays the effect that the guide reaction liquid discharged, inner wall top one side of main part is equipped with the holding ring, the outer wall of holding ring rotates with retort inner wall one side to be connected, and it plays the effect that improves retort rotational stability.

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

1. this anodal waste recycling of lithium iron phosphate battery recycles device has played the effect of high-efficient conveniently accomplishing the recovery process through setting up retort, infiltration board, arranging material pipe and first control valve, need not to reuse different devices and stirs, operations such as centrifugation step by step, has improved work efficiency, and device easy operation, and convenient to use can reduce operating personnel's intensity of labour by a wide margin, its comprehensive use effect preferred.

2. This anodal waste recycling of lithium iron phosphate battery recycles device has played the effect of retrieving the hydrogen that the reaction produced through setting up baffle, air exhauster, check valve and floating plug, can effectively avoid the hydrogen to take place throwing the condition of revealing under states such as material, blowing, drainage, has improved the result of use of device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged schematic view at A of FIG. 2 of the present invention;

fig. 4 is an enlarged schematic view of the utility model at B in fig. 2.

In the figure: 1. a main body; 2. a discharge pipe; 3. a first control valve; 4. a reaction tank; 5. a permeate sheet; 6. a feeding hopper; 7. a liquid inlet pipe; 8. a liquid discharge pipe; 9. a second control valve; 10. a drive shaft; 11. a servo motor; 12. a support bar; 13. an exhaust fan; 14. a gas delivery pipe; 15. an air inlet pipe; 16. a one-way valve; 17. a baffle plate; 18. a push-pull rod; 19. a handle; 20. a liquid discharge port; 21. a support frame; 22. a limiting slide bar; 23. and (4) a floating plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The device for recycling the positive waste of the lithium iron phosphate battery shown in fig. 1-2 comprises a main body 1, wherein a discharging pipe 2 is arranged on one side of the bottom of the main body 1, a reaction tank 4 is rotatably connected to one side of the inner wall of the discharging pipe 2 in the main body 1, a penetration plate 5 is arranged on one side of the outer wall of the reaction tank 4, a feeding hopper 6 is arranged on one side of the top of the main body 1, a liquid inlet pipe 7 is arranged on one side of the outer wall of the main body 1, a liquid outlet pipe 8 is arranged on one side of the bottom of the main body 1, a second control valve 9 is arranged on one side of the outer wall of the liquid outlet pipe 8, a driving mechanism matched with the reaction tank 4 is arranged on one side of the top of the main body 1, the driving mechanism comprises a transmission shaft 10 vertically and rotatably connected to one side of the top of the inner wall of the main body 1, a servo motor 11 is arranged on one side of the top of the main body 1, and an output shaft of the servo motor 11 is fixedly connected with one end of the transmission shaft 10, outer wall one side of transmission shaft 10 is equipped with a plurality of bracing piece 12 in retort 4 inside, the one end that transmission shaft 10 was kept away from to

bracing piece

12 and 4 inner wall one side fixed connection of retort, it plays and drives retort 4 and carry out stable pivoted effect, makes it accomplish the stirring centrifugation to anodal waste material, the inner wall bottom of main part 1 is equipped with the round platform in row material pipe 2 outsides, and it plays the effect that the guide reaction liquid discharged, inner wall top one side of main part 1 is equipped with the holding ring, the outer wall of holding ring is rotated with 4 inner wall one side of retort and is connected, and it plays the effect that improves retort 4 rotational stability.

The implementation mode is specifically as follows: when the device is used, firstly crushed anode waste is thrown into the feeding hopper 6, then the feeding hopper 6 guides the waste to fall into the reaction tank 4 in the main body 1, then diluted sodium hydroxide solution is added into the main body 1 through the liquid inlet pipe 7, and the solution passes through the penetration plate 5 to start to react with the waste in the reaction tank 4, and the chemical formula is as follows: 2Al +2NaOH +2H₂O＝2NaAlO₂+3H₂×. inductor in the waste material dissolves in the solution gradually, stop adding and start drive mechanism after solution reaches suitable volume, drive mechanism's servo motor 11 begins to start, servo motor 11 drives transmission shaft 10 and rotates, transmission shaft 10 drives retort 4 through bracing piece 12 and rotates, then the waste material carries out abundant mixing stirring with solution, make the reaction fully go on, after the aluminium foil in the waste material dissolves completely and drops, start second control valve 9, then the solution in main part 1 passes through 8 eduction gear of fluid-discharge tube, at most solution dischargeImprove servo motor 11's rotational speed after going out, then retort 4 carries out high-speed rotation, begin to carry out the centrifugation to waste material wherein, waste material surface adhesion's solution is thrown away by the centrifugation, thereby accomplish spin-drying to the waste material, open first control valve 3 and stop retort 4's rotation at last, then the waste material falls into under the effect of gravity to arranging material pipe 2 in, and through arranging material pipe 2 eduction gear, the effect of retrieving the process has been played high-efficient conveniently to the structure more than setting, need not to reuse different devices and stir step by step, operations such as centrifugation, and the work efficiency is improved, and device easy operation, high durability and convenient use, can reduce operating personnel's intensity of labour by a wide margin, its comprehensive use effect preferred.

The device for recycling the positive waste of the lithium iron phosphate battery shown in fig. 1-4 further comprises an exhaust fan 13 arranged on one side of the outer wall of the main body 1, wherein the exhaust fan 13 is arranged on one side of the outer wall of the main body 1 close to the top, an air delivery pipe 14 is arranged at the output end of the exhaust fan 13, an air inlet pipe 15 is arranged on one side of the outer wall of the main body 1 close to the top, a one-way valve 16 is arranged on one side of the inner wall of the air inlet pipe 15, the one-way valve plays a role in recycling hydrogen generated by reaction in the device and preventing the hydrogen from leaking to the outside, a baffle 17 is movably connected to one side of the main body 1 close to the inside of the feeding hopper 6, a push-pull rod 18 is arranged on one side of the outer wall of the baffle 17, one end of the push-pull rod 18, which is far away from the baffle 17, extends to the outside of the main body 1 and is provided with a handle 19, which plays a role in keeping the device sealed when the hydrogen generated by the reaction and preventing the hydrogen from leaking to the outside, the utility model discloses a device, including main part 1, inner wall top one side of main part 1 is equipped with and is equipped with fluid-discharge outlet 20 with fluid-discharge tube 8 assorted, inner wall one side of fluid-discharge outlet 20 is equipped with support frame 21, bottom one side swing joint of support frame 21 has spacing slide bar 22, top one side of spacing slide bar 22 extends to support frame 21 top and is equipped with floating plug 23, and it plays the effect of automatic shutoff fluid-discharge tube 8 after the device in-process is exhausted, avoids the hydrogen in the device to take place to reveal from this.

The implementation mode is specifically as follows: after feeding is finished, an operator holds the handle 19 to push the push-pull rod 18 to move, the push-pull rod 18 drives the baffle 17 to move, the baffle 17 seals a feeding port of the feeding hopper 6, when the feeding device is used, hydrogen is generated in the main body 1, the hydrogen floats upwards and flows into the air conveying pipe 14 through the exhaust fan 13, then the hydrogen is conveyed into a processing device at the rear end through the air conveying pipe 14, when discharging is needed, the exhaust fan 13 is started, the exhaust fan 13 sucks the inside of the main body 1, the air pressure in the main body 1 is reduced, the one-way valve 16 is opened at the moment, outside air enters the device through the air inlet pipe 15 to be supplemented, then the hydrogen in the main body 1 is completely sucked along with the suction of the exhaust fan 13, so that discharging cannot occur, leakage is synchronously performed during feeding, the solution is discharged through the liquid discharging port 20, the solution enters the liquid discharging pipe 8 to be discharged through the liquid discharging port 20, and after the solution is discharged, the floating plug 23 loses buoyancy and will follow the action of the limiting slide rod 22 under the action of gravity The direction blocks up leakage fluid dram 20 to avoid hydrogen to reveal through fluid-discharge tube 8, support frame 21 plays spacing supporting role to spacing slide bar 22, has played the effect of retrieving the hydrogen that the reaction produced through setting up above structure, can effectively avoid hydrogen to throw the condition emergence of revealing under states such as material, blowing, drainage, has improved the result of use of device.

The working principle of the utility model is as follows:

referring to the attached drawings 1-2 of the specification, the reaction tank 4, the penetration plate 5, the discharge pipe 2 and the first control valve 3 are arranged to efficiently and conveniently complete the recovery process, different devices are not required to be used for stirring, centrifuging and other operations step by step, the working efficiency is improved, the device is simple to operate and convenient to use, the labor intensity of operators can be greatly reduced, and the comprehensive using effect is better.

Further, referring to the attached drawings 1-4 of the specification, the baffle 17, the exhaust fan 13, the one-way valve 16 and the floating plug 23 are arranged to recover hydrogen generated by the reaction, so that the hydrogen leakage in the states of feeding, discharging, draining and the like can be effectively avoided, and the using effect of the device is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Anodal waste recycling of lithium iron phosphate battery recycles device, including main part (1), its characterized in that: the utility model discloses a reactor, including main part (1), inner wall one side of arranging material pipe (2), be equipped with row material pipe (2) in the bottom one side of main part (1), the inner wall one side of arranging material pipe (2) is connected retort (4) in main part (1) internal rotation, outer wall one side of retort (4) is equipped with osmotic plate (5), top one side of main part (1) is equipped with hopper (6), outer wall one side of main part (1) is equipped with feed liquor pipe (7), bottom one side of main part (1) is equipped with fluid-discharge tube (8), outer wall one side of fluid-discharge tube (8) is equipped with second control valve (9), top one side of main part (1) be equipped with retort (4) assorted actuating mechanism.

2. The device for recycling the positive electrode waste of the lithium iron phosphate battery as claimed in claim 1, wherein: actuating mechanism includes that vertical rotation connects transmission shaft (10) in main part (1) inner wall top one side, top one side of main part (1) is equipped with servo motor (11), the output shaft of servo motor (11) and the one end fixed connection of transmission shaft (10), outer wall one side of transmission shaft (10) is equipped with a plurality of bracing piece (12) in retort (4) inside, the one end and retort (4) inner wall one side fixed connection of transmission shaft (10) are kept away from in bracing piece (12).

3. The device for recycling the positive electrode waste of the lithium iron phosphate battery as claimed in claim 1, wherein: the air exhaust device is characterized in that an exhaust fan (13) is arranged on one side, close to the top, of the outer wall of the main body (1), an air conveying pipe (14) is arranged at the output end of the exhaust fan (13), an air inlet pipe (15) is arranged on one side, close to the top, of the outer wall of the main body (1), and a check valve (16) is arranged on one side of the inner wall of the air inlet pipe (15).

4. The device of claim 3, wherein the device for recycling the lithium iron phosphate battery positive electrode waste is characterized in that: the feeding device is characterized in that a baffle (17) is movably connected to one side of the interior, close to the feeding hopper (6), of the main body (1), a push-pull rod (18) is arranged on one side of the outer wall of the baffle (17), and a handle (19) is arranged at one end, far away from the baffle (17), of the push-pull rod (18) and extends to the outer side of the main body (1).

5. The device of claim 3, wherein the device for recycling the lithium iron phosphate battery positive electrode waste is characterized in that: the utility model discloses a drainage system, including main part (1), inner wall top one side of main part (1) is equipped with and is equipped with leakage fluid dram (20) with fluid-discharge tube (8) assorted, inner wall one side of leakage fluid dram (20) is equipped with support frame (21), bottom one side swing joint of support frame (21) has spacing slide bar (22), the top one side of spacing slide bar (22) extends to support frame (21) top and is equipped with floating plug (23).

6. The device for recycling the positive electrode waste of the lithium iron phosphate battery as claimed in claim 1, wherein: the inner wall bottom of main part (1) is equipped with the round platform in row material pipe (2) outside, inner wall top one side of main part (1) is equipped with the holding ring, the outer wall and retort (4) inner wall one side of holding ring rotate to be connected.