Simulation Research and Production Practice on Feed Stability of Suspension Smelting
Received:September 02, 2024   Revised:September 10, 2024   Accepted:September 12, 2024      Published Online:February 21, 2025
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DOI:doi:10.20237/j.issn.1007-7545.2025.03.004
KeyWord:suspension smelting;pneumatic chute;concentrate nozzle;feed stability;simulation
                       
AuthorInstitution
XU Shuhan 中铜东南铜业有限公司
LONG Peng 桂林航天工业学院 能源与建筑环境学院
CHEN Xin 中铜东南铜业有限公司
LIU Song 中铜东南铜业有限公司
YANG Bowen 中铜东南铜业有限公司
LI Liangbin 中铜东南铜业有限公司
ZHENG Zhiwei 中铜东南铜业有限公司
CHEN Hongjie 桂林航天工业学院 能源与建筑环境学院
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Abstract:
      The simulation and industrial experiments related to changing the feeding method in the suspension smelting technology at China Copper Southeast Copper Co., Ltd., from the original "chute + rotary floating nozzle" to the "pneumatic chute + rotary floating nozzle" system were introduced. The theoretical research and practical experience in improving the feeding stability in suspension smelting were shared from weight-loss measurement system, feeding method of rotary floating nozzle, and key indicator changes. After the application of the "pneumatic chute + rotary floating nozzle" system in suspension smelting, the copper content of slag is reduced, the stability of matte grade is improved, and the dust rate is decreased, which lays a foundation for the long-term stable operation of smelting production.
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