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Efficient environment-friendly waste lithium ion battery recycling process

A lithium-ion battery, recycling technology, applied in battery recycling, waste collector recycling, secondary batteries, etc., can solve the problems of poor product effect, high labor cost, waste of resources, etc., to improve recycling value, reduce acid The amount of alkali used and the effect of reducing leakage

Inactive Publication Date: 2020-06-16
江苏鼎健环保科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a high-efficiency and environmentally friendly waste lithium-ion battery recycling process, which solves the problems of high labor costs, low yield, low efficiency, waste of resources, and product effects in the existing waste lithium-ion battery recycling process. bad question

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  • Efficient environment-friendly waste lithium ion battery recycling process

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Embodiment

[0033] Such as figure 1 As shown, the embodiment of the present invention provides a high-efficiency and environmentally friendly waste lithium-ion battery recycling process, including the following steps:

[0034] S1 crushing treatment

[0035] After the waste lithium-ion battery is fully discharged, the primary crushing treatment is carried out, and it needs to be screened before being sent to the next process. If the size requirement is not met, the crushing process will continue. After the primary crushing process, it will be crushed again. Continue crushing if the size requirement is not met;

[0036] S2 primary screening

[0037] After S1 treatment, winnowing treatment will be carried out, the diaphragm in it will be sent out by wind, and the powder produced at the same time will be sent to S6 for treatment. S7 treatment, the treated substances are subjected to magnetic separation treatment to separate the magnetic substances;

[0038] S3 carbonization treatment

[...

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Abstract

The invention provides an efficient environment-friendly waste lithium ion battery recycling process, and relates to the technical field of waste lithium ion power battery recycling. The efficient environment-friendly waste lithium ion battery recycling process comprises the steps of smashing treatment, primary screening, carbonization treatment, secondary screening, copper-aluminum sorting treatment, powder treatment and gas treatment. By means of the treatment steps of waste lithium ions, the sorting efficiency of diaphragms is greatly improved, and meanwhile the carry-out amount of positivepowder and negative powder screened out of the diaphragms is reduced; electrolyte, a binder and other organic matter are subjected to innocent treatment, and meanwhile environmental pollution in thetreatment process is avoided; and in the offcut conveying process, a sealing and air conveying manner is adopted, and the leakage of dust is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of recovery and treatment of waste lithium-ion power batteries, in particular to a process for recycling and treatment of waste lithium-ion batteries with high efficiency and environmental protection. Background technique [0002] At present, crushing and sorting technology is widely used in the field of waste lithium-ion battery recycling, but it has the following problems: 1. Low degree of integration; 2. Low separation efficiency of separator; Secondary pollution; 4. The existing process mostly adopts the bucket elevator + screw conveying method, and the dust leakage is serious; 5. The positive and negative powders cannot be effectively separated; 6. The defects such as the ineffective separation of copper and aluminum will lead to high labor costs and poor finished products Low efficiency, low efficiency, waste of resources, poor product effect, etc. Based on the above reasons, the market urgently needs ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00H01M10/0525H01M10/54
CPCB09B3/00B09B5/00H01M10/0525H01M10/54B09B2101/02B09B3/40Y02W30/84Y02E60/10
Inventor 刘学良李峰花修丽薛江生武爱华
Owner 江苏鼎健环保科技有限公司
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