CN218654901U

CN218654901U - Lithium battery cathode material magnetic impurity removing device

Info

Publication number: CN218654901U
Application number: CN202222870551.6U
Authority: CN
Inventors: 张家顺
Original assignee: Hunan Wuchuang Circulation Technology Co ltd
Current assignee: Hunan Wuchuang Circulation Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-21
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a lithium cell cathode material magnetic impurities remove device, including being equipped with the feed pipe and arranging the cell body of material pipe, be equipped with agitating unit in the cell body, agitating unit includes (mixing) shaft and stirring rake, and the outside of cell body is equipped with and is used for making magnetic impurities adsorb the electromagnetic mechanism on the cell body inner wall. The utility model discloses a stir the stirring rake with magnetic impurity and electrode material intensive dispersion, can be convenient for adsorb magnetic impurity on the inner wall of cell body through electromagnetic mechanism to can conveniently get rid of magnetic impurity, and it is efficient to remove magnetism, and non-magnetic substance then can get into next process smoothly, thereby guarantees that magnetic impurity in the material is clear away totally, especially has fine desorption effect to fine particle degree electrode material.

Description

Lithium battery cathode material magnetic impurity removing device

Technical Field

The utility model relates to a lithium cell retrieves technical field, concretely relates to lithium cell cathode material magnetic impurities remove device.

Background

With the rapid development of low-carbon economy and the increasingly strict environmental protection requirements, lithium batteries are widely applied to the fields of new energy automobiles, digital products, energy storage and the like due to the excellent electrochemical performance of the lithium batteries, and the lithium battery industry is rapidly developed.

In the preparation process of the electrode material of the lithium battery, in order to meet the requirement of proper particle size, crushing operation is generally required, which is convenient for subsequent treatment, but magnetic impurities are inevitably introduced in the crushing operation; the existence of the magnetic impurities can not only cause the phenomena of self-discharge, overcharge and the like of the battery, but also cause short circuit and explosion of the battery, and has huge potential safety hazards. Therefore, effective means must be adopted to remove the magnetic impurities in the production process, so that the content of the magnetic impurities in the electrode material is strictly controlled.

At present, magnetic impurities are mainly demagnetized by adopting electromagnetic equipment, however, the existing demagnetizing equipment has low demagnetizing efficiency aiming at fine particle electrode materials due to structural reasons.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a lithium cell cathode material magnetic impurities remove device, can conveniently get rid of magnetic impurities, and it is efficient to remove magnetism.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a lithium cell cathode material magnetic impurities remove device, is including being equipped with the cell body of feed pipe and row's material pipe, be equipped with agitating unit in the cell body, agitating unit includes (mixing) shaft and stirring rake, the outside of cell body is equipped with and is used for making magnetic impurities adsorb the electromagnetic mechanism on the cell body inner wall.

Furthermore, electromagnetic mechanism includes current controller and locates the excitation coil of cell body outside, current controller is connected with excitation coil.

Furthermore, the excitation coil is wound on the outer side of the groove body.

Furthermore, the tank body is provided with a flushing pipe which is communicated with the inside of the tank body and is used for flushing the inner wall of the tank body.

Furthermore, the flushing pipe is arranged at the upper part of the tank body and is obliquely and downwards arranged from one end far away from the tank body to one end close to the tank body.

Furthermore, a funnel communicated with a discharge pipe is arranged at the bottom of the groove body.

Furthermore, a plurality of stirring paddles are fixedly connected to the stirring shaft.

Furthermore, a detachable mounting sleeve is arranged in the middle of each stirring paddle, and the mounting sleeve is sleeved on the stirring shaft.

Furthermore, a plurality of stirring paddles are uniformly distributed on the stirring shaft along the axial direction of the stirring shaft.

Furthermore, the outer surface of each stirring paddle is provided with a glass fiber reinforced plastic lining.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses after the ore pulp material gets into the cell body, through stirring the stirring rake with magnetic impurity and electrode material fully dispersed, can be convenient for adsorb magnetic impurity on the inner wall of cell body through electromagnetic mechanism to can conveniently get rid of magnetic impurity, and it is efficient to remove magnetism, and non-magnetic substance then can get into next process smoothly, thereby guarantees that magnetic impurity in the material is clear away totally, especially has fine desorption effect to fine particle degree electrode material.

Drawings

Fig. 1 is a schematic structural diagram of a device for removing magnetic impurities from a lithium battery positive electrode material.

Illustration of the drawings:

1. a trough body; 11. a feed pipe; 12. a discharge pipe; 13. a flush tube; 14. a funnel; 2. a stirring device; 21. a stirring shaft; 22. a stirring paddle; 23. installing a sleeve; 3. an electromagnetic mechanism; 31. and a field coil.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1, the device for removing magnetic impurities from a lithium battery cathode material in the embodiment includes a tank 1 provided with a feeding pipe 11 and a discharging pipe 12, a stirring device 2 is provided in the tank 1, the stirring device 2 includes a stirring shaft 21 and a stirring paddle 22, and an electromagnetic mechanism 3 for adsorbing the magnetic impurities on the inner wall of the tank 1 is provided outside the tank 1. After the ore pulp material got into cell body 1, through stirring rake 22 with magnetic impurity and electrode material intensive dispersion, can be convenient for adsorb magnetic impurity on the inner wall of cell body 1 through electromagnetic mechanism 3 to can conveniently get rid of magnetic impurity, and it is efficient to remove magnetism, and non-magnetic substance then can get into next process smoothly, thereby guarantees that the magnetic impurity in the material is clear away totally, especially has fine desorption effect to fine particle size electrode material.

In this embodiment, the electromagnetic mechanism 3 includes a current controller and an excitation coil 31 disposed outside the tank body 1, and the current controller is connected to the excitation coil 31. The current controller and the magnet exciting coil 31 can control the strength of magnetism through the magnitude of current, so that the electrode material is demagnetized, the electrode material is convenient to purchase, convenient to manufacture and maintain, and the manufacturing cost can be reduced.

In this embodiment, the exciting coil 31 is wound around the outside of the tank body 1. The field coil 31 can be conveniently wound around the outside of the tank body 1 and can be integrally covered on the middle and lower portions of the tank body 1, thereby improving demagnetization efficiency.

In this embodiment, the tank body 1 is provided with a flushing pipe 13 which is communicated with the inside of the tank body 1 and used for flushing the inner wall of the tank body 1. Through the arrangement of the flushing pipe 13, the connection of a water pump is facilitated, the inner wall of the tank body 1 is cleaned, the labor intensity of workers is greatly reduced, and the working efficiency is improved.

In this embodiment, the flushing pipe 13 is disposed at the upper portion of the tank body 1 and is inclined downward from the end far away from the tank body 1 to the end close to the tank body 1. Through the inclined washing pipe 13, when washing, the water flow can form a vortex in the tank body 1, and the cleaning speed can be accelerated.

In this embodiment, the bottom of the tank body 1 is provided with a funnel 14 communicated with the discharge pipe 12. Through the setting of funnel 14, can accelerate lithium cell cathode material or clean water and arrange the material pipe 12 from discharging and discharge to work efficiency has been accelerated. The discharge pipe 12 is provided with a valve which is convenient for on-off operation.

In this embodiment, the stirring shaft 21 is fixedly connected with a plurality of stirring paddles 22. Through the setting of a plurality of stirring rake 22, can accelerate the stirring operation of lithium cell cathode material to can improve demagnetization efficiency. The motor connected with the stirring shaft 21 can be connected with a rotating speed display, thereby being convenient for the purpose of controlling the rotating speed.

In this embodiment, the middle part of each stirring paddle 22 is provided with a detachable mounting sleeve 23, and the mounting sleeve 23 is sleeved on the stirring shaft 21. The assembling and disassembling of each stirring paddle 22 can be facilitated through the mounting sleeve 23, so that the maintenance work is facilitated, and the maintenance cost is reduced.

In this embodiment, the stirring paddles 22 are uniformly distributed on the stirring shaft 21 along the axial direction of the stirring shaft 21. The stirring paddle 22 which is uniformly arranged can be used for conveniently stirring the lithium battery anode materials in all the areas in the tank body 1, so that the stirring operation of the lithium battery anode materials can be accelerated, and the demagnetization efficiency can be improved.

In this embodiment, the outer surface of each paddle 22 is provided with a glass fiber reinforced plastic liner. Through the arrangement of the glass fiber reinforced plastic lining, the outer surface of the stirring paddle 22 can be protected, so that the stirring paddle is not easy to damage, and the service life of the stirring paddle 22 is prolonged.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell cathode material magnetic impurities remove device, is including cell body (1) that is equipped with feed pipe (11) and arranges material pipe (12), be equipped with agitating unit (2) in cell body (1), agitating unit (2) are including (mixing) shaft (21) and stirring rake (22), its characterized in that, the outside of cell body (1) is equipped with and is used for making magnetic impurities adsorb electromagnetism mechanism (3) on cell body (1) inner wall.

2. The device for removing the magnetic impurities in the positive electrode material of the lithium battery as claimed in claim 1, wherein the electromagnetic mechanism (3) comprises a current controller and an excitation coil (31) arranged outside the tank body (1), and the current controller is connected with the excitation coil (31).

3. The lithium battery positive electrode material magnetic impurity removing device according to claim 2, characterized in that the excitation coil (31) is wound outside the container body (1).

4. The device for removing the magnetic impurities in the positive electrode material of the lithium battery as claimed in claim 1, wherein the tank body (1) is provided with a flushing pipe (13) which is communicated with the inside of the tank body (1) and is used for flushing the inner wall of the tank body (1).

5. The lithium battery positive electrode material magnetic impurity removing device according to claim 4, wherein the flushing pipe (13) is arranged at the upper part of the tank body (1) and is obliquely and downwards arranged from one end far away from the tank body (1) to one end close to the tank body (1).

6. The lithium battery positive electrode material magnetic impurity removing device according to claim 1, wherein a funnel (14) communicated with the discharge pipe (12) is provided at the bottom of the tank body (1).

7. The lithium battery positive electrode material magnetic impurity removal device according to any one of claims 1 to 6, wherein a plurality of stirring paddles (22) are fixedly connected to the stirring shaft (21).

8. The lithium battery positive electrode material magnetic impurity removing device according to claim 7, wherein a detachable mounting sleeve (23) is provided in a middle portion of each stirring paddle (22), and the mounting sleeve (23) is sleeved on the stirring shaft (21).

9. The lithium battery positive electrode material magnetic impurity removal device according to claim 7, wherein a plurality of the stirring paddles (22) are uniformly distributed on the stirring shaft (21) along an axial direction of the stirring shaft (21).

10. The lithium battery positive electrode material magnetic impurity removing device according to claim 7, wherein an outer surface of each of the paddles (22) is provided with a glass fiber reinforced plastic liner.