Low-temperature environment-friendly carbonization device for recycling waste lithium ion batteries

A technology of lithium ion battery and carbonization device is applied in the field of low temperature environmental protection carbonization device for recycling waste lithium ion battery, which can solve the problems of reducing the recovery rate of useful value, low utilization rate of heat energy, harmful substances, etc., so as to reduce the generation of harmful substances , High utilization rate of heat energy, the effect of reducing the degree of oxidation
CN111153397AInactive Publication Date: 2020-05-15江苏鼎健环保科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
江苏鼎健环保科技有限公司
Publication Date
2020-05-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a low-temperature environment-friendly carbonization device for recycling waste lithium ion batteries, and relates to the field of solid waste recycling. The low-temperature environment-friendly carbonization device for recycling waste lithium ion batteries comprises a base. The upper surface of the base is fixedly connected with a heating furnace body. One side of the heating furnace body is fixedly connected with a feeding sealing box. A furnace tube inner screw is fixedly connected to the end, close to the feeding sealing box, in the heating furnace body. A spiral check ring is arranged at the end, away from the feeding sealing box, of the furnace tube inner screw. A rotary roasting body is arranged in the heating furnace body and located on one side of the furnace tube inner screw. Through reasonable structural design, the device is higher in heat energy utilization rate and more accurate in temperature control. A material inlet and a material outlet adopt amaterial accumulation sealing mode, so that the oxygen content in the equipment can be effectively controlled, the oxidation degree of copper and aluminum is reduced, and the recovery rate of valuablesubstances is further greatly improved. Useless organic substances are subjected to carbonization treatment, and harmful substances are reduced.
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Description

technical field

[0001] The invention relates to the technical field of solid waste recycling, in particular to a low-temperature environment-friendly carbonization device for recycling waste lithium-ion batteries. Background technique

[0002] Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and are rechargeable. Lithium metal batteries, the fifth generation of rechargeable batteries, were born in 1996. Safety, specific capacity, self-discharge rate and performance-price ratio are superior to lithium-ion batteries. Due to its own high technical requirements, only a few companies in a few countries are producing such lithium metal batteries.

[0003] At present, pyrolysis technology is widely used in the field of recycling, but it has disadvantages such as low heat utilization rate, serious copper and aluminum oxidation, and low black powder shedding efficienc...

Claims

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