Ball Mill Power Calculation Example A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80% passing ¼ inch 6350 microns .
The basic parameters used in ball mill design power calculations , rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and finally the type of circuit open/closed
Design Method of Ball Mill by Discrete Element Method collected. The diameter of the gibbsite powder was measured using a Master Sizer 2000 Sysmex Corpora-tion . Details of the experimental conditions are given in Table 2.
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Effective mill power draw 24 Ball mill specific grinding rate 29 Ball mill grinding efficiency 33 Progress Review 1 39 PART II - Functional Performance Analysis 43 Using the functional performance equation 43 Relating design and
Key words: power draw, cement, dry grinding, ball mill INTRODUCTION Energy is the most important cost item in a cement plant. About 60% of the electricity consumption for cement production is used for grinding the 1.6in a *
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The ball size in a mill has a significant influence on the mill throughput, power consumption and ground material size Austin et al., 1976; Fuerstenau et al., 1999; Kotake et. al., 2004 . The basic condition, which must be met n d