Recycling and Smelting Technology for Waste Zinc

The technology of recycling and smelting waste zinc refers to the reuse of waste zinc products and the extraction of zinc from them through smelting

Elements are utilized to achieve resource recycling and environmental protection.

The process technology for recycling and smelting waste zinc mainly includes the following steps:

Firstly, it is necessary to classify and pretreat the waste zinc. Classify different types of waste zinc according to zinc content and impurity content

Classify the differences in quantity. At the same time, pre-treatment is carried out on the waste zinc to remove dust, dirt, and other impurities,

To improve the melting efficiency.

Then, the waste zinc is sent to the furnace for smelting. Common melting equipment includes converters, electric furnaces, and oxygen furnaces. In the furnace,

After heating and reacting, the zinc in the metal part of the waste zinc will melt, while other impurities will form gas or slag forms

Separate them from zinc through separation.

Next, metallurgical treatment is carried out to improve the purity of zinc. Common methods include distillation, impregnation, and electrolysis. Distillation refers to

Cool the melted zinc to allow it to condense back into a solid state, thereby separating pure zinc. Immersion is the process of immersing zinc in relatively pure material

Pure zinc is separated by electrolysis from a pure acidic solution. Electrolysis is the process of immersing zinc into an electrolytic cell and applying it externally

The current method precipitates impurities on the zinc anode, thereby obtaining pure zinc.

Finally, the obtained zinc is reprocessed for reuse in production. This includes the preparation of zinc alloys and the processing of zinc coatings

Production of zinc powder, etc. Zinc alloy is the alloying of zinc with other metallic or non-metallic elements to obtain a specific property

Alloy materials that can be used for specific purposes. Zinc coating is the process of coating zinc onto the surface of other materials to enhance their corrosion resistance. Zinc powder is

Grind and sieve zinc to obtain fine particle zinc powder, which is used for preparing batteries, coatings, and metal components.

The application of waste zinc regeneration smelting technology can not only reduce resource consumption and manufacturing costs, but also reduce waste

The generation of waste, protecting the environment. In addition, the technology of recycling and smelting waste zinc can also improve the utilization rate of metal resources and reduce

Reduce the demand for fresh zinc ore and alleviate the mining pressure on land and water resources. Therefore, the technology of waste zinc regeneration smelting process

Has significant economic and environmental implications.