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Title:
COPPER SMELTING SLAG COMPREHENSIVE RECOVERY METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/228074
Kind Code:
A1
Abstract:
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.

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Inventors:
LI, Dongbo (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LU, Zhifang (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LI, Bing (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LIANG, Shuaibiao (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
WEI, Kejian (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LIU, Cheng (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LI, Min (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
RU, Hongshun (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
JIANG, Jimu (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
CAO, Kefei (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
ZHANG, Haixin (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
YAN, Jie (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LI, Feng (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LU, Jinzhong (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
ZHOU, Gang (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
LIU, Kai (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
Application Number:
CN2018/085310
Publication Date:
December 20, 2018
Filing Date:
May 02, 2018
Export Citation:
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Assignee:
CHINA ENFI ENGINEERING CORPORATION (12 Fuxing Avenue, Haidian District, Beijing 8, 100038, CN)
International Classes:
C22B7/04; F27B3/04; F27B7/04
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (Floor 16, Tower A Indo Building,A48 Zhichun Road, Haidian District, Beijing 8, 100098, CN)
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