一种电热闪速连续还原熔炼综合回收有价金属的方法
The electrothermal flash continuous reduction smelting method has solved the dust treatment problem in pyrometallurgical lead smelting, and has achieved efficient recovery and comprehensive utilization of valuable metals such as zinc, lead and copper, thereby improving equipment capacity and environmental performance.
CN119979894BActive Publication Date: 2026-07-17NINGBO RUIMINGDA TECHNOLOGY DEVELOPMENT CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NINGBO RUIMINGDA TECHNOLOGY DEVELOPMENT CO LTD
- Filing Date
- 2025-02-17
- Publication Date
- 2026-07-17
Abstract
本发明公开了一种电热闪速连续还原熔炼综合回收有价金属的方法,属于金属冶炼技术领域。本发明充分利用粉尘粒度细、活性好的特性,与焦粉混合,利用压缩一氧化碳气体喷入电热闪速连续还原熔炼炉,使金属氧化物颗粒在高温、强还原氛围条件下迅速连续还原,产出液体铅和含锌、铅、一氧化碳的混合烟气,烟尘中的硅、钙等成分熔融进入炉渣。本发明还原反应速度块,效率高,同规格设备产能增大50%;一个冶炼过程同时回收锌、铅、铜、锡、锑及其他有价金属;反应产生的气体为高含量一氧化碳气体,作为燃料利用,无废气排放;炉渣为一般固废,可作为建筑材料使用。
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