Complete device used for frozen-breaking and metal sorting of waste lithium batteries and method

Abstract

The invention discloses a complete device used for frozen-breaking and metal sorting of waste lithium batteries and a method. The complete device used for frozen-breaking and metal sorting of the waste lithium batteries comprises a first automatic feeding device, a liquid nitrogen quick freezing device, a first breaking device, a second automatic feeding device, a second breaking device, a cycloneseparator and a screening device which are arranged in sequence. By means of the complete device and method provided by the invention, frozen-breaking and metal sorting recovery of the waste lithiumbatteries can be achieved, pollution of the waste lithium batteries to the environment is avoided, meanwhile, resource recycling prevents resource wasting, in addition, the hidden trouble that a largeamount of heat is released after short circuit of the lithium batteries and causes combustion is avoided when the waste lithium batteries are broken, and meanwhile, it can be guaranteed that breakingand metal sorting treatment can be efficiently performed on the waste lithium batteries in bulk.

Description

technical field [0001] The invention relates to the technical field of lithium battery recycling, in particular to a complete set of equipment for freezing and crushing waste lithium batteries and metal sorting, and the invention also relates to a complete set of equipment for freezing and crushing waste lithium batteries and metal sorting. The method of choice. Background technique [0002] With the mass production and use of electronic products, the number of discarded lithium batteries is large, and waste lithium batteries contain not only non-ferrous metals, but also some non-metallic components, which have a high recycling value. Therefore, due to resource constraints and In order to meet the needs of environmental governance, countries all over the world attach great importance to the recycling of waste lithium batteries. During the recycling process of used and decommissioned lithium batteries, they must be crushed, and due to the residual voltage inside the lithium ...

AI Technical Summary

Problems solved by technology

In the process of recycling waste and decommissioned lithium batteries, they must be crushed, and due to the residual voltage inside the lithium battery, short circuits, combustion and fire are very easy to occur during the crushing process, which has caused a greater safety hazard to production

In order to reduce this kind of hidden danger, the waste and retired lithium batteries are generally discharged through the discharge process, and then crushed after reaching a certain voltage, while the traditional discharge method is mostly by sending the waste batteries into a salt water pool for immersion discharge, while the waste During the process of soaking and discharging the battery in the salt water pool, some broken waste batteries often produce a large amount of harmful gas during the process of soaking and discharging, causing serious pollution to the air environment, and at the same time also producing a large amount of heavy metal substances that are harmful to water resources. Cause serious pollution, this method still cannot avoid the generation of installation hidden danger, also can't avoid causing serious pollution to the environment, and can't meet the requirement of industrialized batch processing at the same time

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