CN220277526U

CN220277526U - Screening plant of material is smashed to battery

Info

Publication number: CN220277526U
Application number: CN202320878816.9U
Authority: CN
Inventors: 许开华; 金健; 闫国真; 李鹏
Original assignee: GEM Wuxi Energy Materials Co Ltd
Current assignee: GEM Wuxi Energy Materials Co Ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2024-01-02
Anticipated expiration: 2033-04-19

Abstract

The utility model provides a screening device for crushed materials of batteries, which comprises at least 1 layer of screen mesh; the meshes of the screen mesh are diamond meshes; the ratio of the length of the long axis to the length of the short axis of the diamond-shaped mesh is (1.6-2.4): 1. According to the screening device provided by the utility model, through the specific arrangement of the screen, on the premise of intercepting hard foreign matters such as connecting screws, nuts and the like, the interception of coarse powder materials is reduced, the repeated screening times of the screen matters are reduced, the screening efficiency is improved, and the screening cost is reduced.

Description

Screening plant of material is smashed to battery

Technical Field

The utility model belongs to the technical field of battery recovery, relates to a battery recovery device, and particularly relates to a screening device for crushed materials of batteries.

Background

Lithium ion batteries are widely applied to the fields of portable electronic products, electric automobiles and the like, and along with popularization of new energy sources, the application of the lithium batteries is more and more extensive. At present, the replacement period of the lithium ion battery is 3-5 years, and if the scrapped lithium ion battery cannot be properly treated, the environment is greatly polluted, and the waste of rare metal resources such as cobalt, nickel and the like is caused. Therefore, valuable components in the lithium ion battery need to be recycled.

In the method for recycling the lithium ion battery, the lithium ion battery is generally disassembled, partial materials such as a shell, an electrode, a current collector and an electrolyte are separated, and then the partial materials are respectively and intensively recycled. In the prior art, waste motor materials are crushed by crushing equipment, then screened by screening equipment to obtain electrode materials with different particle size ranges and uniform sizes, and then treated by different metallurgical industries to realize effective separation and recovery of anode and cathode materials of lithium ion batteries.

The existing electrode screening equipment is simple in structure and generally comprises a shell, wherein a feeding hole is formed in the upper end of the shell, a screen is arranged in an inner cavity of the shell, a vibrating device is arranged below the screen, and a corresponding discharging hole is formed in each of the upper shell and the lower shell of the screen. When the electrode material crushing device is used, crushed electrode materials are poured into the screen mesh in the shell from the feed inlet, the screen mesh is driven by the vibration device to vibrate, electrode particles meeting the granularity requirement are sieved, the electrode particles not meeting the requirement are left on the screen mesh, and crushing treatment is carried out again. For example, CN111644377a discloses a method for crushing and screening electrode materials of waste lithium batteries, which comprises classifying and screening materials subjected to demagnetizing and crushing, taking out and classifying light and small materials under the screen, taking out the materials not under the screen, repeatedly crushing and screening the materials according to the granularity requirement until the granularity meets the granularity requirement of the subsequent metallurgical treatment process.

But the efficiency of the re-crushing process is low and the cost is high.

CN217911551U discloses a blocking screen cloth is prevented to battery level, including anti-adhesion structure, anti-adhesion structure's both sides swing joint has first mounting panel, anti-adhesion structure's both ends swing joint has the second mounting panel, the first articulamentum of both ends equal fixedly connected with of first mounting panel, the both sides fixedly connected with second articulamentum of second mounting panel, and the bottom of second articulamentum is connected with first articulamentum through connection structure, connection structure includes the fixture block. The screen cloth has certain degree of depth through the structure setting, can carry out the screening of raw materials from the side of screen cloth, carries out the raw materials screening better through the angle of slope simultaneously.

CN212681642U discloses a battery powder material sieving mechanism, including inlet pipe, screening room, discharging pipe, install drawer type filter sieve in the screening room, be equipped with the opening on the lateral wall of screening room, the opening part is covered with the closed door, drawer type filter sieve produces vibration through vibrating device, install the beating device that is used for beating drawer type filter sieve in the screening room, drawer type filter sieve is including the frame type baffle, the bottom of frame type baffle is equipped with the screen cloth, the screen cloth is including middle filter part and encircle the outer ring collecting part at middle filter part, the height of outer ring collecting part is less than middle filter part's height, all be equipped with the filtration pore on middle filter part and the outer ring collecting part. The screen mesh is prevented from being blocked by the arrangement of the vibrating device and the beating device.

The prior art does not relate to improvement of the aperture of the screen of the screening device, and if the aperture of the screen is larger, the effect of removing hard foreign matters such as screws, nuts and the like cannot be achieved; if the pore diameter of the screen is small, the screen can intercept excessive coarse powder materials, so that the repeated screening workload is huge, and the materials are easy to pollute, and therefore, a screening device for crushing the materials by using batteries with proper pore diameters of the screen is needed to be provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the screening device for crushing materials of the battery, which can reduce the interception of coarse powder materials, reduce the repeated screening times of screen materials, improve the screening efficiency and reduce the screening cost on the premise of intercepting hard foreign matters such as connecting screws, nuts and the like by specially arranging the screen.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a screening device for crushed materials of batteries, which comprises at least 1 layer of screen mesh;

the meshes of the screen mesh are diamond meshes;

the ratio of the major axis length to the minor axis length of the diamond mesh is (1.6-2.4): 1, for example, it may be 1.6:1, 1.8:1, 2:1, 2.2:1 or 2.4:1, but is not limited to the recited values, and other non-recited values within the range of values are equally applicable.

According to the screening device provided by the utility model, through the specific arrangement of the screen, on the premise of intercepting hard foreign matters such as connecting screws, nuts and the like, the interception of coarse powder materials is reduced, the repeated screening times of the screen matters are reduced, the screening efficiency is improved, and the screening cost is reduced.

Preferably, the length of the long axis of the diamond-shaped mesh is 15-18mm.

Preferably, the short axis length of the diamond mesh is 7-9mm.

Preferably, the ratio of the length of the long axis to the length of the short axis of the diamond-shaped mesh is 2:1.

Preferably, the screening device comprises a housing and at least 1 layer of screen mesh horizontally arranged inside the housing;

the top of the shell is provided with a feed inlet, and the bottom of the shell is provided with a undersize discharge outlet;

the upper part of the at least 1 layer of screen cloth is provided with an oversize material outlet.

Preferably, the screening device comprises a shell, and a first screen and a second screen which are horizontally arranged in the shell;

a first oversize material discharge port is arranged between the first screen and the feed inlet;

a second oversize material outlet is arranged between the first screen and the second screen.

Preferably, the screening device further comprises a support base connected to the housing.

Preferably, the screening device further comprises a vibrating device;

the vibration device drives the shell to vibrate.

Preferably, the vibration device comprises a driving member and a connecting member;

the driving piece drives the connecting piece to reciprocate; the connecting piece is contacted with the shell and makes the shell reciprocate under the driving action of the driving piece.

Preferably, a buffer elastic piece is arranged at the joint of the support base and the shell.

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

Drawings

FIG. 1 is a schematic view of the structure of a screen in a screening apparatus according to example 1;

fig. 2 is a schematic view of the screening apparatus according to embodiment 5.

Wherein: a is the length of the long axis of the diamond mesh; b is the short axis length of the diamond mesh; 1, a feed inlet; 2, a discharge hole of the undersize material; 3, screening; 4, a screen material outlet; 5, supporting a base; 6, a vibration device; 7, a spring.

Detailed Description

It is to be understood that in the description of the present utility model, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

It should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

An embodiment of the present utility model provides a screening device for battery crushed material, the screening device comprising at least 1 layer of screen;

the meshes of the screen mesh are diamond meshes;

When the screening device provided by the utility model is applied, the lithium ion battery material is firstly crushed by the pair roller machine, and the crushed material is irregular and more easily passes through the diamond screen; the shapes of the hard foreign matters such as the screw, the nut and the like are not changed, and the interception effect of the hard foreign matters such as the screw, the nut and the like is not affected by crushing the hard foreign matters by the roller.

The common screw in the lithium ion battery field is an M8 screw, and the nut is matched with the M8 screw.

In one embodiment of the present utility model, the length of the major axis of the diamond mesh is 15-18mm, for example, 15mm, 16mm, 17mm or 18mm, but not limited to the recited values, and other non-recited values within the range of values are equally applicable.

In one embodiment of the present utility model, the minor axis length of the diamond mesh is 7-9mm, which may be, for example, 7mm, 7.5mm, 8mm, 8.5mm or 9mm, but is not limited to the recited values, and other non-recited values within the range of values are equally applicable.

In one embodiment of the present utility model, the ratio of the length of the major axis to the length of the minor axis of the diamond mesh is 2:1.

In one embodiment of the present utility model, the screening device includes a housing and at least 1 layer of screen horizontally disposed within the housing, for example, 1 layer, 2 layers, 3 layers, 4 layers, or 5 layers, but not limited to the recited values, and other non-recited values within the range of values are equally applicable.

Increasing the number of layers of the screen cloth can improve the screening effect, but too much screen cloth can greatly improve the equipment cost, and is unfavorable for the later equipment maintenance. Considering screening efficiency and screening cost comprehensively, the number of layers of the screen cloth in the screening device is preferably 2.

The utility model discloses a screen cloth discharging port arranged on the upper part of at least 1 layer of screen cloth, which means that the screen cloth discharging port is independently arranged on the upper part of each layer of screen cloth, so that the screen cloth of each layer of screen cloth can be discharged conveniently.

In one embodiment of the utility model, the screening device comprises a shell, a first screen and a second screen which are horizontally arranged in the shell;

In a certain embodiment of the utility model, the screening device further comprises a support base connected to the housing.

Illustratively, the support base of the present utility model includes a support base and at least 3 legs uniformly distributed on the support base; the leg is connected with the shell in a manner including but not limited to a movable connection.

The number of the supporting legs arranged on the supporting bottom plate is at least 3, for example, 3, 4, 5, 6 or 8, but not limited to the listed values, and other non-listed values in the range of values are equally applicable.

In a certain embodiment of the utility model, the screening device further comprises a vibrating device;

the vibration device drives the shell to vibrate.

In one embodiment of the present utility model, the vibration device includes a driving member and a connecting member;

Illustratively, the driving member includes, but is not limited to, a driving motor, and the connecting member includes, but is not limited to, a driving wheel, and a rotation axis of the driving motor is not coaxial with an axle center of the driving wheel. The driving motor drives the connecting piece to move, so that vibration generated by reciprocating motion of the shell is realized.

In one embodiment of the utility model, a buffer elastic piece is arranged at the joint of the support base and the shell.

Illustratively, the cushioning resilient member includes, but is not limited to, a spring.

The utility model plays a role similar to suspension through the arrangement of the buffer elastic piece, relieves the impact of the vibrating device on the shell, and prolongs the service life of the screening device.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

The embodiment provides a screening device for crushed materials of batteries, which comprises a shell and a screen 3 horizontally arranged in the shell;

the top of the shell is provided with a feed inlet 1, and the bottom of the shell is provided with a undersize discharge outlet 2;

an oversize material discharge port 4 is arranged between the screen 3 and the feed inlet 1;

the mesh of the screen 3 is a diamond mesh (see fig. 1), and the major axis length a of the diamond mesh is 16mm and the minor axis length is 8mm.

The screening plant that this embodiment provided can reduce the entrapment to the coarse powder material under the prerequisite of interception connecting screw, nut etc. hard foreign matter through the specific setting to screen cloth 3, has reduced the number of times to screen cloth 3 thing repeated screening, has improved screening efficiency and has reduced screening cost.

Example 2

The embodiment provides a screening device for crushed materials of a battery, which comprises a shell, and a first screen and a second screen which are horizontally arranged in the shell;

a first oversize material discharge port is arranged between the first screen and the feed inlet 1;

a second oversize material discharge port is arranged between the first screen mesh and the second screen mesh;

the meshes of the first screen mesh and the meshes of the second screen mesh are respectively and independently diamond-shaped meshes, the long axis length a of the diamond-shaped meshes is 15mm, and the short axis length is 7mm.

Example 3

the meshes of the first screen mesh and the meshes of the second screen mesh are respectively and independently diamond-shaped meshes, the long axis length a of the diamond-shaped meshes is 18mm, and the short axis length is 9mm.

Example 4

the meshes of the first screen mesh and the meshes of the second screen mesh are respectively and independently diamond-shaped meshes, the long axis length a of the diamond-shaped meshes is 16mm, and the short axis length is 8mm.

The screening device provided by the embodiment further comprises a supporting base 5 and a vibrating device 6; the support base 5 comprises a support bottom plate and 4 supporting legs uniformly distributed on the support bottom plate; the supporting leg is movably connected with the shell.

The vibration device 6 comprises a driving piece and a connecting piece, wherein the connecting piece is in contact with the shell, and the shell is made to reciprocate under the driving action of the driving piece; the driving piece is a driving motor, the connecting piece is a driving wheel, and the rotating shaft of the driving motor is not coaxial with the axle center of the driving wheel; the driving motor drives the connecting piece to move, so that vibration generated by reciprocating motion of the shell is realized.

Compared with embodiment 1, the present embodiment further improves the sieving effect of the sieving device by the arrangement of the vibrating device 6.

Example 5

The embodiment provides a screening device for crushed materials of a battery, which is shown in fig. 2, and comprises a shell, and a first screen and a second screen which are horizontally arranged in the shell;

The connection of the support leg and the shell is provided with a spring 7.

Compared with embodiment 4, the impact of the vibrating device 6 on the shell is relieved through the arrangement of the springs 7, and the service life of the screening device is prolonged.

In summary, the screening device provided by the utility model can reduce interception of coarse powder materials, reduce repeated screening times of screen objects, improve screening efficiency and reduce screening cost on the premise of intercepting hard foreign matters such as connecting screws, nuts and the like through the specific arrangement of the screen.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that fall within the technical scope of the present utility model disclosed herein are within the scope of the present utility model.

Claims

1. A screening device for crushed materials of a battery, characterized in that the screening device comprises at least 1 layer of screen mesh;

the meshes of the screen mesh are diamond meshes;

the ratio of the length of the long axis to the length of the short axis of the diamond-shaped mesh is (1.6-2.4): 1;

the length of the long axis of the diamond-shaped mesh is 15-18mm;

the short axis length of the diamond-shaped mesh is 7-9mm.

2. A screening device according to claim 1, wherein the ratio of the major axis length to the minor axis length of the diamond shaped mesh is 2:1.

3. The screening apparatus of claim 1, wherein the screening apparatus comprises a housing and at least 1 layer of screen horizontally disposed inside the housing;

4. A screening device according to claim 3, wherein the screening device comprises a housing and a first screen and a second screen horizontally arranged inside the housing;

5. A screening device according to claim 3 or 4, further comprising a support base connected to the housing.

6. The screening apparatus of claim 5, further comprising a vibratory apparatus;

the vibration device drives the shell to vibrate.

7. A screening device according to claim 6, wherein the vibrating means comprises a drive member and a connecting member;

8. A screening device according to claim 7, wherein the connection of the support base to the housing is provided with a cushioning resilient member.