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| Practice of Improving Ability of Fuming Furnace to Treat Lead-Zinc Smelting Slag |
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Received:December 14, 2023
Revised:December 21, 2023
Accepted:December 26, 2023
Published Online:April 16, 2024
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| DOI：doi：10.3969/j.issn.1007-7545.2024.05.002 |
| KeyWord:lead-zinc smelting slag; fuming furnace; activating energy; air-coal ratio; furnace bed capacity |
| Author | Institution |
| MA Shaobin |
云南驰宏锌锗股份有限公司 |
| LAN Guohui |
云南驰宏锌锗股份有限公司 |
| LIU Dianchuan |
云南驰宏锌锗股份有限公司 |
| XIAO Bigao |
云南驰宏锌锗股份有限公司 |
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| Abstract: |
| A lead-zinc smelter recovers valuable metals by treating lead-zinc smelting slag in fuming furnace. Due to the short service life of the steel cooling water jacket used in the fuming furnace, the operation rate is low. At the same time, due to high SiO2 content in smelting slag of fuming furnace, the fluidity of furnace slag often deteriorates, which affects the operation rate. With the increase of slag production in the smelter, the problem of insufficient capacity of fuming furnace has become increasingly prominent, and it is urgent to improve the operation rate and furnace bed capacity. Through systematic research, the process and equipment of fuming furnace were optimized and reformed. The actual operation rate of fuming furnace increases from 85.01% to 96.48%, and the bed capacity increases by 3.9 t/(m2?d) to 21~22 t/(m2?d). |
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