Separating and recycling method for nickel-plated copper wire
A technology for separation and recovery, nickel-plated copper, which is used in the improvement of process efficiency, the preparation of liquid hydrocarbon mixtures, the petroleum industry, etc. Short, simple method, avoid the effect of metal oxidation
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[0025] Send the nickel-plated copper wire with an inner core diameter of 2-5mm into the wire stripping machine, separate the plastic sheath on the surface of the copper-nickel copper wire, and put the plastic sheath into a vacuum pyrolysis reaction device for pyrolysis. The pyrolysis temperature is 350 ℃, the reaction pressure is 2KPa, and the pyrolysis oil is obtained; the nickel-plated copper wire stripped of the plastic sheath is sheared by a copper rice machine to obtain a nickel-plated copper rice with a length of 1-3cm; the 1.2Kg nickel-plated copper rice After mixing with 1 kg of steel balls with a diameter of 30 mm and 0.05 kg of silicone oil, add them to a vertical stirring ball mill. The speed of the ball mill is 300 r / min and the ball mill is treated for 30 minutes. The nickel coating and a small amount of copper on the surface of the nickel-plated copper rice are peeled off; Take out the materials in the ball mill, wash and sieve with alcohol to obtain a mixture of ...
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