Waste lithium battery monomer crushing sorting dismantling crushing method

Release Time：2022-11-19 Source：Lithium Battery Recycling Machine Share：

         The overall process of waste lithium battery monomer crushing and sorting technology adopts monomer charged lithium battery crushing, high temperature pyrolysis, multi-component sieving and sorting, copper and aluminum sorting process, the recovery rate of each component material can reach more than 95%, and the purity of the pole powder reaches 95%-98%. The process production line can handle ternary power lithium battery and lithium iron phosphate battery, through physical sorting method, to achieve efficient recovery of lithium battery valuable metals, the products are pile head, shell, positive and negative electrode collector, positive and negative electrode powder materials in waste lithium battery.
 

 
        Process flow of waste lithium battery monomer crushing and sorting technology

        Monolithic lithium-ion batteries (including square, cylindrical and soft pack batteries) are realized by feeding hopper, belt scale screw feeder and other equipment. The feeding system is interlocked with the crushing system, which can select the suitable feeding speed according to different materials to ensure that the monomer battery is fully crushed and dissociated. Pneumatic pushing, after entering the fully enclosed conveying, fireproof, and strong material conveying capacity.

        The recovered waste lithium-ion battery monomer is stored in the warehouse by the owner, and the battery monomer is poured into the feeding hopper of the feeding system by forklift. Micro-negative pressure environment material conveying.

        The main equipment in this stage are: screw feeder, motor metering scale, hopper.

        Waste lithium battery monomer crushing and sorting treatment of the whole process

        After pretreatment crushed battery monomer is transported to the crusher feeding intermediate bin through the conveying belt, the material in the intermediate bin intermittently enters the crushing chamber, and the crusher cutter head shears the material instantly to realize the monomer separation of lithium battery diaphragm, positive and negative pole piece, terminal pile head and shell. In order to prevent the electrolyte volatilization in the process of combustion and explosion, the crushing process is protected by inert gas and carried out in an anaerobic and sealed environment

        Sub-embedded oxygen-free pyrolysis furnace

        High temperature pyrolysis process will produce pyrolysis gas and pyrolysis oil (gaseous state), the main components are short-chain olefins and esters of organic substances, collect the pyrolysis gas and oil, add a certain proportion of gas to assist combustion, combustion temperature 1100 ℃, 3S, the heat released can be used for material drying and other auxiliary heating, the exhaust gas is purified to meet the standard emissions

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