▎ 摘　　要

NOVELTY - Regeneration of waste cable conductor comprises preprocessing recovered waste cable; preprocessing smelting furnace; adding preprocessed conductor to smelting furnace, melting, ultrasonically stirring, and adding deslagging agent to remove slag; adding silicon-calcium alloy and zinc-magnesium alloy to slag-depleted molten conductor, insulating until all materials in the furnace are melted, uniformly stirring by ultrasonic wave, adding light rare earth, uniformly stirring, standing, adding graphene, uniformly stirring, standing, removing slag from molten conductor, and casting and rolling slag-free molten metal to prepare conductive alloy ingot blank; and soaking alloy ingot blank in alkaline solution, washing with DI water, cold-air-drying, spraying anticorrosive oil on surface of dried, and stopping spraying when oil film having thickness of 0.5-3 mm is obtained. USE - Method for regenerating waste cable conductor (claimed). ADVANTAGE - The method is simple and easy to grasp; improves reutilization rate of recovered cable conductor; has low production cost; improves guiding performance, corrosion resistance, high-temperature resistance, structural strength, toughness, tensile strength, fatigue resistance and mechanical performance of aluminum-based conductor, thus, providing cable product performance stability and reliability and reducing cable product manufacturing cost. DETAILED DESCRIPTION - Regeneration of waste cable conductor comprises: (A) stripping insulation layer of recovered waste cable, respectively storing insulating layer, steel armor, tension bar and conductor, separating and storing cable conductor according to type of material, soaking each type of conductor in 30-80 degrees C alkaline solution for 1-5 minutes, washing with deionized water at 0-10 degrees C and pressure of 1.5-5 times the atmospheric pressure, and cold-air-drying; (B) introducing inert gas into smelting furnace for 3-5 minutes until oxygen content is less than 1%, continuously conveying inert gas to the furnace under constant speed for 10-60 minutes to raise temperature to 300-400 degrees C, and holding the temperature for 5-10 minutes; (C) adding preprocessed conductor to smelting furnace, heating to 500-1100 degrees C in 10-20 minutes, holding the temperature for 10-30 minutes after conductor is melted, ultrasonically stirring, adding deslagging agent to molten metal solution to remove slag, and storing slag-depleted molten conductor; (D) adding 5-12 wt.% silicon-calcium alloy and 5-20 wt.% zinc-magnesium alloy to molten conductor in 10-30 minutes, insulating for 10-20 minutes until all materials in the furnace are melted, uniformly stirring by ultrasonic wave, adding 3-8 wt.% light rare earth to smelting furnace, uniformly stirring, standing for 10-15 minutes, adding 3-15 wt.% graphene to molten conductor, uniformly stirring, standing for 3-15 minutes, removing slag from molten conductor, and casting and rolling slag-free molten metal to prepare conductive alloy ingot blank; and (E) soaking alloy ingot blank in 30-80 degrees C alkaline solution for 1-5 minutes, washing with DI water at 0-10 degrees C and pressure of 1.5-5 times the atmospheric pressure, cold-air-drying, spraying anticorrosive oil on surface of dried at pressure of 1.5-5 times the atmospheric pressure, and stopping spraying when oil film having thickness of 0.5-3 mm is obtained.