pvc copper wire recycling machine
Copper recovered from copper cables is a rare metal resource with high value. But the recycled copper usually contains cable sheath, iron metal, and a small amount of lead, brass or aluminum, and the content of these impurities is usually as high as 3%. If the photoelectric separation technology is used to increase the purity of copper particles to 99.9%, the material value will increase by 30%.
Recovering high-purity copper particles from cables: a potential profit margin that cannot be ignored
The main components of electric wires and control wires are PVC sheath and copper core. There are also wires mixed with copper, aluminum, lead and other metals. Only by separating the wire sheath from the inner metal can it have the value of recycling and reuse. However, because these control lines are uneven in thickness and chaotic, it is difficult to separate the inner and outer materials. Some small recycling companies will incinerate the outer layer of PVC to obtain the inner copper wire, but this approach not only pollutes the environment, but also wastes PVC plastic.
At present, the cost-effective and low-polluting method is to use a copper-plastic separator to smash various wires, and then separate the PVC particles from the copper-based metal particles. The entire process will not change the properties of the material, nor will it cause secondary pollution.
Even if impurities, polymers and iron metals are removed from the pellets, it still contains a small amount of lead, brass or aluminum, and the content of these impurities is usually as high as 3%. If the purity of the copper particles is increased to 99.9%, the material value will increase by 30%. Therefore, it is very important to further remove impurities from copper rice.
Photoelectric sorting technology makes the purity of copper rice 99.95%
Common copper selection techniques, such as eddy current sorting or specific gravity sorting, are difficult to remove all impurities. TOMRA's sensor-based photoelectric sorting technology can remove lead, aluminum, copper and other impurity metals from the crushed small particles of copper wire crushed material, and achieve purification with a purity of 99.95%.
This technology can be applied to copper rice raw materials with a particle size as low as 0.8mm. According to the specific sorting task, input material situation and particle size, TOMRA's high-speed copper separation technology can purify 1-3 tons of copper scrap (copper rice) per hour.
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