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Ball mill is a kind of widely used engineering machinery with low working efficiency [1,2]. Since the advent of the ball mill, researches on its grinding performance mainly aimed at the aspects of fill rate, rotational speed, ratio of steel balls, ratio of grinding medium and abrasive, number of

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Therefore, the productivity of the lattice ball mill is 10%-15% larger than that of the overflow ball mill of the same specification, and the grinding efficiency is also higher than that. The latter is high.

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The amount of material finer than 75 μm cyclone overflows was selected as a criterion for the performance evaluation. It was observed that in a mill with the combined makeup balls, the amount of fines (<75 μm) produced was 4% higher than that of the other mills. The consumption of ball types A, C and D were 730, 710 and 534 g t −1

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Ball Mills are generally used to grind material 1/4 inch and finer, down to the particle size of 20 to 75 microns. To achieve a reasonable efficiency with ball mills, they must be operated in a closed system, with oversize material continuously being recirculated back into the mill to be reduced.

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Study on the Performance of Ball Mill with Liner Structure based on DEM This study used the discrete element method (DEM), which is effective and popular for solving the problem of granular systems simulating the motion of particles in a ball mill in different structural forms and

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circuit or the overall performance of an autogenous-semiautogenous (AG-SAG)/ball mill circuit, but they are of limited value in evaluating AG-SAG and ball mill sections separately. This problem arises due to the difficulty of describing particle size distributions with different shapes by one number, the eighty percent passing size. This

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geometrical lifter structure and to improve the performance of the ball mill. Keywords ball mill; DEM; height-width ratio; rectangular lifter; number of lifter. 1 Introduction Ball mills, which crush and grind ore or other materials, are widely used in bio-pharmaceutical, construction and other industries. There are several advantages

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