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Further, ball mills are divided into dry type ball mill and wet type lattice ball, according to different raw materials and discharging methods. These are especially used in mining industry to grind various ores and rocks in metal and non-metal mines, either wet or dry as per the requirements.

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The point where the mill becomes a centrifuge is called the Critical Speed, and ball mills usually operate at 65% to 75% of the critical speed. Dolomite Grinding Ball Mill Application Are generally used to grind material 1/4 inch and finer, down to the particle size of 20 to 75 microns.

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The speed of rotation is optimum at about 75% of critical speed. Some mills are compartmentalised with each subsequent section having a smaller ball size. The mineral can pass through to the proceeding section, but the balls cannot.

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Ball mill grinding is one method of crushing ore to an appropriate size fraction. Specifically, ore is put into a large receptacle (a drum) and then it rotates slowly around.

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Axial transport in dry ball mills CFD Ball mills are used for grinding of rocks, cement clinker and limestone from 10-100 mm . the critical speed required to centrifuge particles.

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