Pub Date : 2002-01-01DOI: 10.1016/s0140-6701(03)90586-8
M. Mukherjee, S. Hegde, R. Somani
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In this paper, the performance of a closed circuit HPGR operation was evaluated by the data obtained from six measurements in a cement grinding circuit operating in Turkey. Flowrates of the streams and classifier performance were evaluated after mass balancing. The average specific energy consumption of the HPGR for six measurements was 9.62 kWh/t for grinding from 17.9 mm to 57 μm (80 % passing size). Reduction ratio increased with the increase in specific energy consumption. Although cut point and the bypass of the classifier varied in a rather wide range, reduced efficiency curve and imperfection values indicated that the sharpness of separation remained the same.
在本文中，通过在土耳其运行的水泥研磨回路中获得的六次测量数据，评估了闭路高压高压gr操作的性能。在质量平衡后，对流的流量和分类器性能进行了评价。在17.9 mm ~ 57 μm(80%通过粒度)范围内，高压辊磨机的平均比能耗为9.62 kWh/t。随着比能耗的增加，还原比增大。虽然分选机的切割点和旁路变化幅度较大，但降低的效率曲线和缺陷值表明分选的锐度保持不变。
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