CN212041471U

CN212041471U - Device for recovering diaphragm paper in waste lithium ion battery

Info

Publication number: CN212041471U
Application number: CN201922266166.9U
Authority: CN
Inventors: 许开华; 蒋振康; 刘宜桥; 黄冬波; 张刊; 邓桥; 廖永虎
Original assignee: Jingmen GEM New Material Co Ltd
Current assignee: Jingmen Power battery regeneration technology Co.,Ltd.
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-12-01
Anticipated expiration: 2029-12-17

Abstract

The utility model is suitable for an electron discarded object is retrieved and is regenerated the field, provides a retrieve device of diaphragm paper among old and useless lithium ion battery, including first cyclone and second cyclone, first fan is installed at the top of first cyclone, the second fan is installed at the top of second cyclone, the air outlet of first fan is connected with the tuber pipe, the end of tuber pipe is connected to the entry of second cyclone, the bottom export of second cyclone is connected with the shale shaker, the bottom export of first cyclone is connected with Z type separator, the entrance of Z type separator is connected with the third fan, the air outlet of third fan is connected to the tuber pipe, this device utilizes the principle that diaphragm paper and electrode material proportion are different, through the wind-force separation mode, can effectively separate paper diaphragm and electrode material, the separation efficiency reaches more than 99 percent.

Description

Device for recovering diaphragm paper in waste lithium ion battery

Technical Field

The utility model belongs to electron discarded object retrieves the regeneration field, especially relates to a retrieve device of diaphragm paper among old and useless lithium ion battery.

Background

The method can lead electrolyte in the waste lithium ion battery to volatilize in a large amount due to the fact that the method relates to a high-temperature pyrolysis process, meanwhile, products after pyrolysis of the diaphragm paper can also cause great pressure to the environment, and the diaphragm paper cannot be pyrolyzed completely, and meanwhile, when the diaphragm paper is pyrolyzed and heated, the energy consumption of rotary kiln equipment is high.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, an object of the utility model is to provide a device for retrieving diaphragm paper among old and useless lithium ion battery, aim at solving current diaphragm paper and remove the mode and have the technical problem that the energy consumption is high, pyrolysis is incomplete and the polluted environment.

The utility model adopts the following technical scheme:

the device for recycling the diaphragm paper in the waste lithium ion battery comprises a first cyclone separator and a second cyclone separator, wherein a first fan is installed at the top of the first cyclone separator, a second fan is installed at the top of the second cyclone separator, an air outlet of the first fan is connected with an air pipe, the tail end of the air pipe is connected to an inlet of the second cyclone separator, a bottom outlet of the second cyclone separator is connected with a vibrating screen, a bottom outlet of the first cyclone separator is connected with a Z-shaped separator, a third fan is connected to an inlet of the Z-shaped separator, and an air outlet of the third fan is connected to the air pipe.

Furthermore, an air outlet of the second fan is connected with a dust collector.

Further, the dust collector comprises a cylinder body, the left end of the cylinder body is an inlet end, the right end of the cylinder body is provided with an end cover, a circle of fixing ring and a circle of positioning ring are arranged in the cylinder body, a filter cylinder is arranged between the fixing ring and the positioning ring, filter plates are arranged at the left end and the right end of the filter cylinder, a net cylinder is arranged in the filter cylinder, filter cloth is arranged on the surface of the net cylinder, a connecting frame is arranged between the net cylinder and the left filter plate, the right end of the net cylinder is provided with an opening and is directly attached to the right filter.

The utility model has the advantages that: the utility model provides a retrieve device of diaphragm paper among old and useless lithium ion battery utilizes the different principle of diaphragm paper and electrode material proportion, selects separately the mode through wind-force, can effectively separate diaphragm paper and electrode material, and separation efficiency reaches more than 99%, and this device all adopts miniwatt electrical equipment simultaneously, and for high temperature pyrolysis equipment, the energy consumption is low, and in addition, the recovery mode that this device adopted does not involve chemical process, does not produce all kinds of polluted environment gas, and the influence that causes the environment is little.

Drawings

Fig. 1 is a structural diagram of a device for recycling diaphragm paper in a waste lithium ion battery according to an embodiment of the present invention;

fig. 2 is a structural diagram of a dust collector provided by the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

As shown in fig. 1, the device for recovering diaphragm paper from waste lithium ion batteries provided in this embodiment includes a first cyclone 1 and a second cyclone 2, a first fan 3 is installed on the top of the first cyclone 1, a second fan 4 is installed on the top of the second cyclone 2, an air outlet of the first fan 3 is connected to an air pipe 5, the end of the air pipe 5 is connected to an inlet of the second cyclone 2, a bottom outlet of the second cyclone 2 is connected to a vibrating screen 6, a bottom outlet of the first cyclone 1 is connected to a Z-shaped separator 7, an inlet of the Z-shaped separator 7 is connected to a third fan 8, and an air outlet of the third fan 8 is connected to the air pipe 5.

When the device works, after a waste battery is crushed by a 15mm screen crusher, crushed materials enter a first cyclone separator, a part of diaphragm paper, positive and negative active substances and other parts of materials of the battery are simply separated for one time, a part of diaphragm paper and a small amount of positive and negative active substances enter an air pipe through a first fan, other battery materials enter a Z-shaped separator, the diaphragm paper and the small amount of positive and negative active substances are sucked into the air pipe through a third fan in the Z-shaped separator due to different specific gravities of the diaphragm paper and the positive and negative active substances of the battery, the other battery materials enter a discharge port of the Z-shaped separator and then enter other working procedures of lithium battery resource recycling treatment, meanwhile, the large amount of diaphragm paper and the small amount of positive and negative active substances of the battery in the air pipe enter a second cyclone separator, and then the materials are conveyed into a linear vibrating screen from the bottom of the second cyclone separator, according to the different particle sizes of the diaphragm paper and the battery anode and cathode active substances, the diaphragm paper and a small amount of the battery anode and cathode active substances are effectively separated through a 1mm screen.

This device utilizes the different principle of diaphragm paper and electrode material proportion, selects separately the mode through wind-force, can effectively separate diaphragm paper and electrode material, and separation efficiency reaches more than 99%, and this device all adopts miniwatt motor equipment simultaneously, and for high temperature pyrolysis equipment, the energy consumption is low, and in addition, the recovery mode that this device adopted does not involve the chemical process, does not produce all kinds of polluted environment gas, and the influence that causes the environment is little.

As a specific structure, as shown in fig. 2, in this embodiment, the air outlet of the second fan is connected with a dust collector 9, the dust collector 9 includes a cylinder 91, the left end of the cylinder 91 is an inlet end, the right end of the cylinder 91 is provided with an end cover 92, the cylinder 91 is internally provided with a circle of fixing ring 93 and a positioning ring 94, a filter cylinder 95 is arranged between the fixing ring 93 and the positioning ring 94, the left and right ends of the filter cylinder 95 are provided with filter plates 96, the filter cylinder 95 is internally provided with a mesh cylinder 97, the surface of the mesh cylinder is provided with filter cloth, a connecting frame 98 is arranged between the mesh cylinder 97 and the filter plate on the left side, the right end of the mesh cylinder 97 is open and directly attached to the filter plate on the right side, a positioning sleeve 99 is arranged between the positioning ring 94 and the end cover 92, when in operation, gas with dust (a small amount of lithium electric material and, a small part of dust is intercepted and then enters the filter cartridge, the filter cartridge is internally provided with a net cylinder, the surface of the net cylinder is provided with filter cloth which can adsorb most of dust in gas, after the dust collector is used for a period of time, the end cover, the positioning sleeve and the positioning ring at the right end are taken down, and the filter plate and the filter cartridge are taken out and cleaned.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The device for recycling diaphragm paper in waste lithium ion batteries is characterized by comprising a first cyclone separator and a second cyclone separator, wherein a first fan is installed at the top of the first cyclone separator, a second fan is installed at the top of the second cyclone separator, an air outlet of the first fan is connected with an air pipe, the tail end of the air pipe is connected to an inlet of the second cyclone separator, a bottom outlet of the second cyclone separator is connected with a vibrating screen, a bottom outlet of the first cyclone separator is connected with a Z-shaped separator, a third fan is connected to an inlet of the Z-shaped separator, and an air outlet of the third fan is connected to the air pipe.

2. The device for recycling the diaphragm paper in the waste lithium ion batteries according to claim 1, wherein an air outlet of the second fan is connected with a dust collector.

3. The apparatus for recycling diaphragm paper in waste lithium ion batteries according to claim 2, wherein the dust collector comprises a cylinder, the left end of the cylinder is an inlet end, the right end of the cylinder is an end cover, the cylinder is internally provided with a ring of fixing ring and a positioning ring, a filter cylinder is arranged between the fixing ring and the positioning ring, the left end and the right end of the filter cylinder are filter plates, the filter cylinder is internally provided with a net cylinder, the surface of the net cylinder is provided with filter cloth, a connecting frame is arranged between the net cylinder and the filter plate on the left side, the right end of the net cylinder is provided with an opening and is directly attached to the filter plate on the right side.