PRECISELY CONTROLLED ARSENIC TRIOXIDE SUBLIMATING PURIFICATION FURNACE USING LOW-MELTING POINT ALLOY AS FLOATATION BODY

Provided is a precisely controlled arsenic trioxide sublimating purification furnace using a low-melting point alloy as a floatation body, which comprises a low-melting point alloy furnace groove (1), a plurality of rotating rakes (2) and a gas-collecting hood (3), wherein a feed hopper (8) and an e...

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Bibliographische Detailangaben
Hauptverfasser:	SHI, Junyang, WANG, Xiaoming, SHI, Renzhang, SHI, Yu, LIANG, Jinfeng, WANG, Qin, SHI, Hongjiao, PAN, Jinrui, LIANG, Zhifang
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Provided is a precisely controlled arsenic trioxide sublimating purification furnace using a low-melting point alloy as a floatation body, which comprises a low-melting point alloy furnace groove (1), a plurality of rotating rakes (2) and a gas-collecting hood (3), wherein a feed hopper (8) and an end head guide plate (9) are arranged in a inclined manner on an inner wall of the low-melting point alloy furnace groove (1), a bottom part is provided with a plurality of heating elements (5) with heating temperatures successively increasing from 150℃ to 480℃ from a front part to a rear part of the furnace groove, and the gas-collecting hood (3) is arranged on the furnace groove (1) and covers the rotating rakes (2). The rotating rakes (2), when rotating in the counter clockwise direction, drive low-melting point alloy liquid (7) in the groove to move towards the rear part of the furnace groove, and powdery arsenic-containing dust materials, after being added from the feed hopper (8), fall onto a liquid surface of