New energy vehicle end-of-life lithium-ion battery treatment process

Release Time：2022-11-21 Source：Lithium Battery Recycling Machine Share：

       With the first batch of new energy vehicles power battery into the scale of retirement, power battery how to properly recycle and reuse, become the topic of social concern. Some of the retired power batteries failed to enter the standard recycling enterprises, and even many into small workshops, power batteries contain a variety of heavy metal elements, improper handling is not only detrimental to resource recovery, but also cause safety hazards and environmental pollution.

 
       It is understood that, according to the provisions of the relevant departments, waste power batteries should be standardized to comprehensive utilization enterprises for secondary use or recycling, recycling service outlets shall not collect the waste power batteries for disassembly and processing in addition to safety inspection.

       Waste power lithium-ion battery recycling technology is mainly based on the new technology of charged dry recycling, the design of a variety of lithium battery charged crushing and sorting recycling production process, the technology of charged crushing as the theme of ideas, with stable operation, production safety, beautiful, energy saving and environmental protection, large output and labor-saving advantages, and with the Changsha Mining Institute of high-efficiency wet metallurgical new technology, the development of a variety of lithium battery charged recycling Full set of production equipment.

       These technologies next door also avoid serious pollution to the environment and can recover a high percentage of precious metals, which will reduce the pressure on the mining of mineral resources, which is conducive to the sustainable and healthy development of the industry. The development of waste lithium battery gradient use energy storage function, the traditional energy vehicles converted to clean energy vehicles. Through the environmental protection treatment of waste batteries, the creation of a whole industry chain of environmental protection industry is conducive to industrial development.

       End-of-life lithium-ion battery recycling machine equipment process consists of waste crushing equipment, wind separator, specific gravity sorter, magnetic separator, oxygen-free cracking furnace, etc.
 

       End-of-life lithium-ion batteries through the oxygen-free feeder, into the oxygen-poor crushing, crushing through the isolation of oxygen closed air discharge, into the oxygen-free high-temperature rapid volatilization, after volatilization of the material into the sorting system, the plastic film class, magnetic material iron class, the battery cells in the copper and aluminum plastic shell sorted out. The remaining positive and negative pieces enter the high-speed friction system for frictional depowdering, and the depowdered materials go through airflow sorting, screening and dust collection, separating the positive and negative powder, copper and aluminum metal particles, and plastic, and then the charged positive and negative powder is sent to the anaerobic cracking system for anaerobic cracking, and the combustible gas produced by the cracking and the waste gas produced by the sorting are combined, and the heat produced by the combustion provides a heat source for the cracking furnace, and the decomposition of the front-end The exhaust gas is used as supplemental oxygen and organic gas, and the exhaust gas after incineration is treated with simple exhaust gas cooling, spraying, filtration, aerosol separation, zeolite honeycomb or activated carbon catalysis to meet the standard discharge. The water needed in the production is recycled (no external water discharge), and the noise in the production process also meets the national environmental protection requirements, and the whole wind-selected exhaust gas and combustible gas with each other to achieve comprehensive utilization and treatment of exhaust gas.

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