Method for smashing, detaching and recycling lithium battery

Abstract

The invention relates to a method for smashing, detaching and recycling a lithium battery. Plastics, diaphragms, stainless steel, aluminium plastic films, aluminium, plastics, copper foils, aluminium foils, graphite and other materials are sorted from waste lithium batteries through a water type air-suction smashing machine, a magnetic separator, a horizontal type winnowing machine, a water-type friction machine, a first vortex separator, a second vortex separator and the like; the sorting purity can reach 94-99%; various kinds of harmful gases generated in the production process of the lithium batteries are processed by spray towers and activated carbon, and then the standardized gases are discharged; all the water required in the production process is recycled without an externally-discharged water source; and in addition, the water is precipitated, filtered and added with chemical drugs in the cycle process to carry out water treatment. According to the method, the waste batteries are not required to be pre-processed; instead, the waste batteries can be smashed, detached and recycled directly; therefore, the processing quality and processing efficiency of the waste batteries can be greatly improved; and in addition, pollutant emissions in the processing process can be effectively controlled.

Description

technical field [0001] The invention relates to the technical field of dismantling and recycling of waste batteries, in particular to a method for crushing, dismantling and recycling of lithium batteries. Background technique [0002] With the country's vigorous promotion of electric vehicles, a large number of batteries will face the problem of being scrapped in the future. According to the prediction of China Automotive Technology Research Center, the recycling rate of waste batteries in my country is less than 2%. A large number of waste batteries cause waste of resources and energy. Environmental pollution, waste lithium-ion batteries contain a lot of available resources, such as valuable metals such as aluminum and copper, graphite, carbon-based materials, etc.; if these waste lithium batteries are not disposed of properly, it will cause a lot of waste of resources and environmental pollution . [0003] However, the recycling of lithium batteries in the prior art has jus...

AI Technical Summary

Problems solved by technology

[0002] With the country's vigorous promotion of electric vehicles, a large number of batteries will face the problem of being scrapped in the future. According to the prediction of China Automotive Technology Research Center, the recycling rate of waste batteries in my country is less than 2%. A large number of waste batteries cause waste of resources and energy. Environmental pollution, waste lithium-ion batteries contain a lot of available resources, such as valuable metals such as aluminum and copper, graphite, carbon-based materials, etc.; if these waste lithium batteries are not disposed of properly, it will cause a lot of waste of resources and environmental pollution

[0003] However, the recycling of lithium batteries in the prior art has just started, and the existing separation methods usually have relatively large limitations. They cannot effectively separate the reusable resources of waste batteries at one time, and a large amount of energy will be generated during the separation process. Dust and harmful substances not only affect the treatment quality and efficiency of waste batteries, but also cause serious damage to the environment. Therefore, it is necessary for those skilled in the art to improve this

Images