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The MillTraj software predicts the likely position of the toe of the charge It is not possible to predict this with great accuracy as it is heavily dependent upon the type of ore slurry percent solids ball filling and other bulk media properties So a 10 degree range is given that forms a safe area to impact upon The position of the toe is most strongly dependent upon the mill filling so

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The effect of ball size on the particle size reduction has been investigated first for varying rotation speed of the container Percent passing and size distributions of the milled Al 2 O 3 powder are shown in Fig 1 Fig 2 respectively as a function of particle size for varying ball size The average particle sizes d 50 of the milled Al 2 O 3 powder are shown in Fig 3 as a function of

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Example Two compartment cement mill Diameter 4 05 m Length 12 m Filling degree 196 tons at 30 filling degree Mill speed 16 27 rpm C 0 223 from the figure Then K 0 223 196 4 05 16 27 2 88 KW 8 2 Calculation of the Specific Consumption of Energy per Ton of Clinker The specific consumption of energy per ton of clinker

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