### industrial solutions polysius ball mills

Dec 10, 2004 The specific power consumption is, as already said, influenced by the L/D ratio and the ball charge filling ratio of a ball mill. The investigations known from the literature were carried out with two compartment cement mills in the 1980s ( Kuhlmann, 1985 , Ttigkeitsbericht, 1991 ). compared to conventional ball mill grinding systems. In existing plants, the throughput can be increased by over 100 %. In new combi-grinding systems, series-connected ball mills can have correspondingly smaller sizes than usual. The material is dried in the ball mill.