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Title:
BOTTOM-BLOWING REFINING FURNACE AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/082726
Kind Code:
A1
Abstract:
A bottom-blowing refining furnace and use thereof. The bottom-blowing refining furnace comprises a rotary furnace (100) and a bottom-blowing redox lance (200). The rotary furnace (100) comprises a rotary furnace housing (110), a furnace opening (120), a copper inlet (130) and a copper outlet (140). A furnace space is defined in the rotary furnace housing, the furnace opening (120) is provided at an upper part of the middle section of the rotary furnace housing (110), the copper inlet (130) is provided on the rotary furnace housing (110), and the copper outlet (140) is provided on a side wall of an end of the rotary furnace housing (110). The bottom-blowing redox lance (200) is provided at the bottom of the rotary furnace housing (110) and protrudes into the furnace space, and the diameter of the bottom-blowing redox lance (200) is 38-75 cm.

Inventors:
LI FENG (CN)
WEI KEJIAN (CN)
LI HONGFEI (CN)
LI BING (CN)
CAO KEFEI (CN)
HAO XIAOHONG (CN)
FENG SHUANGJIE (CN)
LU JINZHONG (CN)
LI XIAOXIA (CN)
LI HAICHUN (CN)
LIU KAI (CN)
LI DONG (CN)
XU XIN (CN)
Application Number:
PCT/CN2019/087091
Publication Date:
April 30, 2020
Filing Date:
May 15, 2019
Export Citation:
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Assignee:
CHINA ENFI ENG CORP (CN)
International Classes:
C22B15/14
Foreign References:
CN109234543A2019-01-18
CN107828968A2018-03-23
CN107828968A2018-03-23
CN103382528A2013-11-06
CN108103319A2018-06-01
CN103952571A2014-07-30
JP2001247922A2001-09-14
JPS60169532A1985-09-03
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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