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t h cement ball mill media for crushing rock

t h cement ball mill media for crushing rock

A ball mill is to produce a grind of 34 μm (P 80) product from a feed size of 200 μm at a rate of 1.5 t/h. The grinding media used was 90% Al 2 O 3 ceramic ball of S.G. 3.5. The balls occupied 28% of the mill volume. The mill was rotated at 65% of the critical speed. The work index of the ore was 11.3 kWh/t. Estimate the size of the mill ...

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