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Exploring ball size distribution in coal grinding mills

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In the present work, a grinding rate constant, i.e., a selection function was measured for five solid materials using a tumbling ball mill, and effects of a grinding ball diameter and a feed

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Exploring ball size distribution in coal grinding mills

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Small balls are effective in grinding fine particles in the load, whereas large balls are required to deal with large particles of coal or stone contaminant. The steady state ball size distribution in the mill depends on the top-up policy.

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