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Simulation for the Design of Ball Mills for Coal Grinding May 16 2007 The extension of the model to air swept coal mills described by Austin et al was used to simulate results from a 2.75 m diameter by 3.51 m air swept ball mill and it also gave good agreement with actual plant data for product size distribution and capacity in tph
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To improve the accuracy of the coal load detection based on the kinetic energy of balls in a tubular ball mill a Discrete Element Method DEM model for ball kinematics based on coal loads is proposed The operating process for a ball mill and the ball motion as influenced by the coal quality and the coal load was analyzed carefully.
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the coal load of the ball mill and ball m ovement was found 2 The real time kinetic ener gy of the balls was modeled by Origin and Matlab to reflect the coal load of the ball mill ac cordingly.
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