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    中频炉的炉壳温度高的原因 1、炉壁内衬太薄，热量大 2、熔化金属的温度太高 3、炉体的感应圈（循环冷却水）不通畅 4、中频电源的电流、电压不正常 Reasons for the high temperature of the furnace shell of the induction melting furnace 1. The furnace wall lining is too thin and the heat is large 2. The temperature of the molten metal is too high 3. The induction coil (circulating cooling water) of the furnace body is not smooth 4. The current and voltage of the intermediate frequency power supply are abnormal