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介绍了昆钢大红山铁矿50万t/a二段磨Ф2.7×3.6 m溢流型球磨机给矿端经改造后仍旧存在的问题,2次改造的方案和过程及最终改造达到的经济效益。
This paper introduces the problems still existing after the transformation of the ore terminal with the Ф2.7 × 3.6 m overflow type ball mill of 500,000 t / a Sec of Dahongshan Iron Mine in Kunming Iron and Steel Co., Ltd., the scheme and process of the second transformation and the final reformation Economic benefits.