Technology of retired lithium battery recycling device

Release Time：2022-12-05 Source：Lithium Battery Recycling Machine Share：

       Used lithium battery recycling equipment and retired lithium battery recycling device have been further improved in technology, from the previous separate physical method of crushing used lithium batteries to the current combination of fire method, can be disposed of 50,000 tons per year in a single line. The charged lithium battery into the oxygen-poor crushing system, the crushed charged lithium battery materials directly into the oxygen-free cracking system under the protection of inert gas, the charged lithium battery heated in the cracking system to discharge heat to make the secondary use of charged electricity, while the electrolyte, plastic film, plastic and adhesives and other organic materials for their own cracking, cracking gas generated by the purification of the cracking system for heat, cracking materials after cooling, magnetic separation, After wind selection, the iron, nickel, aluminum block, copper block and stainless steel are sorted out, and then the sorted out cracking ji piece is screened and graded by friction de-powdering, and the pole powder and metal particles are separated, and the metal particles are then graded by specific gravity sorting for copper and aluminum separation. Production in a variety of waste gas cracking gas and vacuum by the integrated combustion system combustion heating, combustion exhaust gas after cooling spray, water vapor separation and adsorption for standard emissions.



Waste lithium battery recycling equipment (fire method) advantages: 


       1. Inert gas protection crushing to ensure production stability, reliability and environmental protection, and charged in the cracking of the discharge heat to achieve the re-use of electricity, reduce the discharge input and production costs.

       2 lithium charged recovery requires a smaller amount of inert gas, reducing production costs and production difficulties, the same amount produces waste gas treatment and wastewater volume is reduced, cracking gas purification to furnace heating. Combustion exhaust gas by simple spraying treatment to meet the standard emissions.

       3 with electricity recovery production process is simpler, the production line equipment investment is smaller, resulting in a small footprint, ji piece of cracking after ji powder and aluminum and copper recovery rate is higher and large output, a single production line annual processing capacity of up to 45,000 tons or so;

       4. Because of oxygen-free cracking, suppression of dioxins and harmful gases generated. Less investment in waste gas treatment, low treatment cost, no need for heat storage and combustion equipment.
       
       5. The material is not separated out from the larger metal weights before cracking, and there is no odor generated from the heavy materials separated out by cracking.

       6. Lithium hexafluorophosphate (LIPF6) produces hydrogen fluoride by volatile pyrolysis, and anhydrous hydrogen fluoride reacts with FE, AL, NI, MG and other metals to form a protective film of fluoride insoluble in hydrogen fluoride, so solid and gaseous hydrogen fluoride is not corrosive. Cracking gas purification to furnace heating.

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