RECYCLE METHOD OF VALUABLE METALS FROM SCRAPS

摘要

PROBLEM TO BE SOLVED: To establish an industrial recycle method being able to be substituted for a converter treatment of scraps. SOLUTION: Scraps containing valuable metals is charged from a ceiling part 4 of a shaft 1 to an autogeneous smelting furnace of smelting copper ore and the valuable metals are recovered into mattes staying in the furnace. It is the most practical way that scraps are in advance pulverized and are mixed with copper ores and then are charged into the furnace from a concentrate burner 5 of autogeneous smelting furnace. Organic insulating materials included in the scraps are completely decomposed and burnt.