The crushed waste battery packs are placed manually on the hopper of the chain plate conveyor, and the hopper feeds the waste buffer evenly. The chain plate conveyor is made of stainless steel, which can effectively prevent corrosion and fire. The chain plate conveyor seals the material rate to the crushing chamber of the primary crusher. The crushing chamber adopts a fireproof and explosion-proof design, and adopts a circular knife disc rotary cutting method to crush the waste battery pack. The equipment line for recovering valuable metals from waste lithium-ion batteries has solved the unfavorable factors such as complex operation, long process, and harm to the environment caused by organic solvents in the process of waste lithium-ion battery sorting, shortened the process flow, reduced power consumption, and increased metal recovery rate, purity and recovery. The technical principle of crushing the positive and negative materials of lithium-ion batteries is to use physical metallurgical technology to separate and recover non-ferrous metals, including discharge, shredding, purification and enrichment, separation and recovery, etc. In addition, independent technology is used to obtain single copper, aluminum, and graphite metal products. The technical route is: first pre-treat the waste lithium batteries, including discharge, disassembly, crushing, carbonization, sorting, and iron shell recovery. After the lithium-ion battery positive and negative electrode material crushing and recycling equipment crushes the waste lithium battery raw materials, the various substances in the crushed products are separated into monomers, plastic shells, diaphragm paper, copper shrinkage, aluminum foil and other materials, including cobalt and lithium metals. Its production line is that the scrapped batteries enter the shredder for shredding, and the shredded batteries enter the special crusher for crushing. The crushed materials are sent to the carbonization furnace by the spiral feeding system. The carbonization furnace adopts electric heating, and the temperature in the furnace is designed to be 500-600°C. It takes about 15-20 minutes from the material entering the furnace to the discharge, so that the relevant materials can be completely carbonized. At the same time, due to the oxygen-free environment in the furnace, the metal oxidation in the battery can be avoided.
