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本文详细讨论了确保三菱连续铜熔炼和吹炼工艺产出的弃渣含铜较低的相关因素,重点讨论高效熔炼与渣贫化阶段,尤其是将渣中铜损失降至最低的那些重要的设计特点与生产实践。生产冰铜时,通常认为渣含铜直接与冰铜的品位有关。大多数其他冶炼工艺仅生产含铜30%～63%的冰铜,其中一些工艺要求进一步处理弃渣,以达到满意的铜回收率。相反,三菱工艺通常将冰铜品位控制在67%～69%范围,同时还能将弃渣中铜损失保持在0.6%左右。
This paper discusses in detail the low copper content associated with rejects produced by the Mitsubishi continuous copper smelting and blowing process, with an emphasis on those important stages of high efficiency smelting and slag depletion, and in particular, minimizing copper loss in the slag Design Features and Production Practice. When producing matte, slag copper is generally considered to be directly related to the grade of matte. Most other smelting processes produce only 30% to 63% copper matte, some of which require further treatment of the reject to achieve satisfactory copper recovery. In contrast, Mitsubishi processes typically control the matte grade in the range of 67% to 69% while maintaining copper losses in the reject at about 0.6%.