Ball Milling Technique Advantage

During grinding the balls themselves wear and are constantly replaced by new ones so that the ball mill contains balls of various ages and of various sizes.In case of batch operated ball mills, a measured quantity of solid to be ground is charged into the ball mill through the opening in the shell.The opening is then closed and the ball mill is rotated for several hours.It is then stopped and the product is discharged.

Ball mills 5.5 m (18 ft) in diameter and larger tend to use energy delivered to the mill less efficiently than smaller diameter mills, particularly when the large mills carry 40% by volume ball charges.This paper will explore factors used in scaling up ball mills, showing where the advantages of one factor can possibly be negated by another factor.The paper will propose possible operating limits and areas for further study to establish selection and design limits.

The principles of grinding are well established: the pre-mixed paste is pumped through the ball mills grinding vessel in one or more stages.

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Xmb series rod ball mill is an efficient laboratory grinding equipment for wet grinding of ore or other materials.Steel balls can be used as grinding medium instead of steel rods.In rod grinding operation, particle sizes of final product are relatively uniform and ore overgrinding can be eliminated.Generally speaking, lab rod mill is commonly used as a grinder for mineral feasibility study and for heavy concentrate reduction.


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