From the perspective of resource strategy, metals such as cobalt and nickel in lithium battery positive electrode materials are strategic resources that my country relies heavily on imports. Through efficient recycling, we can significantly reduce external dependence and ensure the safety of the industrial chain. At the same time, the cost of recycled and reused metals is only 30%-50% of the original ore, with significant economic benefits. Therefore, establishing a complete production line for the processing and disposal of waste lithium batteries has both environmental and economic benefits.
waste lithium battery recycling machine
The successful implementation of the waste lithium battery recycling process is inseparable from the support of advanced technical equipment. The following are several key equipment and their functions:
1. Discharge equipment
The discharge equipment is used to ensure that the waste lithium battery is fully discharged before disassembly to avoid the risk of short circuit or explosion. Common discharge methods include salt water immersion, resistance discharge, etc.
2. Crushing equipment
Crushing equipment is one of the equipment for the powdering process. Crusher is suitable for coarse crushing, hammer crusher is suitable for medium crushing, and shear crusher is suitable for fine crushing. In recent years, some companies have also developed low-temperature crushing technology specifically for lithium batteries to reduce the risk of thermal runaway during the crushing process.
3. Sorting equipment
Sorting equipment includes magnetic separators, gravity separators, flotation machines, etc. For example, magnetic separators can efficiently separate ferromagnetic materials, while gravity separators are suitable for separating non-ferrous metals such as copper and aluminum.
4. Purification equipment
Purification equipment mainly includes smelting furnaces, leaching tanks, extraction equipment, etc. Pyrometallurgical equipment such as electric arc furnaces and rotary kilns are used for high-temperature smelting, while hydrometallurgical equipment is used for chemical processes such as acid leaching and solvent extraction.
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