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Electrolytic tank for copper electrorefining

A copper electrolytic refining and electrolytic cell technology, which is applied in the electrolytic process, electrolytic components, electrodes, etc., can solve problems such as environmental pollution and high energy consumption, and achieve the effects of less investment, energy saving, and lower processing costs

Inactive Publication Date: 2014-12-24
江苏鑫成铜业有限公司
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Problems solved by technology

At present, the recycling method of waste miscellaneous copper is mainly to cast waste miscellaneous copper into anode copper through fire treatment, and then electrolytically refining into electrolytic copper. The process consists of melting, redox and casting, during which copper-containing About 25% of the slag, this slag needs to be treated separately to recover the copper in it; and heavy oil is used as fuel and reducing agent. It takes a lot of energy to melt and cast waste miscellaneous copper into anodes, and it will also cause environmental pollution. How to reduce costs and achieve economical speed Disposal of miscellaneous copper has become a problem at present

Method used

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  • Electrolytic tank for copper electrorefining

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0017] see figure 1 , the electrolytic cell body 1 of the electrolytically refined graphite anode electrolyzer is made of glass fiber reinforced plastics, the graphite disc 2 is located at the inner bottom of the electrolytic cell body 1, and the graphite disc 2 is connected to the positive pole of the electrolytic power supply.

[0018] When electrolytic refining is used to treat scrap copper, the scrap copper is first processed into small-sized block, flake or powder coarse material 3; A thin sheet is made as the electrolytic cathode 5, and the mixed solution of sulfuric acid and copper sulfate is used as the electrolyte 4 for electrolytic refining.

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Abstract

The invention discloses an electrolytic tank for copper electrorefining. The electrolytic tank comprises an electrolytic tank body and a graphite bottom plate, wherein the graphite bottom plate is laid at the bottom in the electrolytic tank body and connected with the anode of an electrolytic power supply. Due to the adoption of the graphite bottom plate as the electrolytic anode, the process of smelting an anode plate is removed, the energy consumption is reduced, and the treatment cost of scrap copper is lowered.

Description

technical field [0001] The invention relates to the technical field of scrap copper recycling, in particular to an electrolytic cell for copper electrolytic refining. Background technique [0002] With the rapid development of my country's electric power and machinery industry, the consumption of copper is gradually increasing. According to statistics and predictions by experts, the current self-sufficiency rate of copper in my country is about 60%. Therefore, the recycling of waste miscellaneous copper is becoming more and more important. The composition of waste miscellaneous copper recovered from factories and society is very complex, and can be roughly divided into two categories according to impurity content and color: red miscellaneous copper and brass miscellaneous copper. Red miscellaneous copper is mainly composed of wires of electrical equipment scrapped by enterprises and waste products and leftovers in the process of red copper processing. It is of high grade a...

Claims

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Application Information

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IPC IPC(8): C25C1/12C25C7/02
CPCY02P10/20
Inventor 王琳
Owner 江苏鑫成铜业有限公司
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