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Why Do We Call Ball Mills the Most Efficient Grinding Machines?

Author : Amy|29,04,2014

As is known by us, the ball mill has a wide range of applications among so many mining machines, with the highest working efficiency. But what reasons lead to the good reputation of the ball mills? Here our experts will tell you the secret of the most efficient grinding machine, namely the importance of the ore grinding medium which is regarded as the precondition for the good grinding index. Therefore, the proper grinding medium will make difference to the ore beneficiation plants.

ball mill

1. The shape and materials of the grinding medium

As one grinding medium with the direct influence on the minerals, the medium should meet two requirements: large surface area which can provide enough touching area with the minerals; much weight which will provide enough energy for the grinding materials.

2. The particle size and proportion of the grinding medium

The particle size of the medium will have much effect on the ball mill’s impacting, pressing and grinding effects of minerals. Meanwhile we should also pay attention to the particle size and properties of the minerals that are to be ground.

3. The charge weight of the grinding medium

When the diameter, length and the revolution of the ball mill are fixed, the charge weight of the materials should be controlled within 50% so that the ball mill’s available power will increase as well as the productivity. In addition, different revolution speeds will lead to different charging weight of the materials.

Knowing the basic information of the ball mill’s grinding medium, we are sure that users will be more confident in the real operation of the ball mills.

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