COPPER SMELTING SLAG COMPREHENSIVE RECOVERY METHOD AND DEVICE

WIPO Patent Application WO/2018/228074

A1

A copper smelting slag comprehensive recovery method and device. Said method uses a CR furnace to perform reductive fuming and settling on the smelting slag to comprehensively recover valuable metals in the smelting slag and produce harmless slag. The CR furnace (30) comprises a cavity, the cavity comprising a reductive fuming cavity (31) and a settling cavity (32) in communication with each other. Recovery of valuable metals in the smelting slag comprises the steps of: performing a reductive fuming treatment on the smelting slag in the reductive fuming cavity (31) to obtain valuable metals-containing smoke dust and reduced slag, and performing a settling treatment on the reduced slag in the settling cavity (32) to obtain copper matte and harmless slag; or performing a settling treatment on the smelting slag in the settling cavity (32) to obtain copper matte and settled slag, and performing a reductive fuming treatment on the settled slag in the reductive fuming cavity (31), so as to obtain valuable metals-containing smoke dust and harmless slag.

WO/2012/033454	PRODUCTION OF NANO SIZED FERRITE
WO/2022/227179	MOLTEN COPPER SLAG DEPLETION AND SIDE-TOP COMBINED BLOWING REDUCTION INTEGRATED METHOD

LI DONGBO (CN)
LU ZHIFANG (CN)
LI BING (CN)
LIANG SHUAIBIAO (CN)
WEI KEJIAN (CN)
LIU CHENG (CN)
LI MIN (CN)
RU HONGSHUN (CN)
JIANG JIMU (CN)
CAO KEFEI (CN)
ZHANG HAIXIN (CN)
YAN JIE (CN)
LI FENG (CN)
LU JINZHONG (CN)
ZHOU GANG (CN)
LIU KAI (CN)

PCT/CN2018/085310

December 20, 2018

May 02, 2018

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CHINA ENFI ENG CORP (CN)

C22B7/04; F27B3/04; F27B7/04

CN107227410A	2017-10-03
CN101851704A	2010-10-06
CN106705663A	2017-05-24
JP2008267661A	2008-11-06

KANGXIN PARTNERS, P.C. (CN)

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