SYSTEM AND METHOD FOR EFFICIENT RECOVERY OF VALUABLE METALS FROM TIN SECONDARY RAW MATERIALS

A system and method for efficient recovery of valuable metals from tin secondary raw materials. The system comprises a batching system (1), a rotary smelting furnace (4), a vacuum furnace (5), a fuming furnace (6) and a flue gas processing system (7) which are arranged in a unified site. A material...

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Bibliographische Detailangaben
Hauptverfasser:	YUAN, Haibin, SONG, Xingcheng
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A system and method for efficient recovery of valuable metals from tin secondary raw materials. The system comprises a batching system (1), a rotary smelting furnace (4), a vacuum furnace (5), a fuming furnace (6) and a flue gas processing system (7) which are arranged in a unified site. A material mixing hopper (3) of the batching system (1) is connected to the rotary smelting furnace (4) by means of a feeding mechanism (12). The rotary smelting furnace (4) is directly or indirectly connected to the vacuum furnace (5), the fuming furnace (6) and the flue gas processing system (7), respectively. The rotary smelting furnace (4) is connected to the vacuum furnace (5) by means of an alloy ingot transferring device (14). The rotary smelting furnace (4) is connected to the fuming furnace (6) by means of a slag transferring device (15). Smoke vents of the rotary smelting furnace (4) and the fuming furnace (6) are connected to the flue gas processing system (7). According to the system and method, the tin secondary