After running for a long time, the ball mill will more or less encounter the problem of grinding efficiency decline, which not only affects the normal operation of the whole concentrator, but also damages the economic benefit of the mine owner. So, in production practice, how should we effectively improve the grinding efficiency of ball mill? Here are seven ways to start.
1, enhance the grinding degree of raw ore
In general, the hardness of raw ore, degree of dissociation, size and structure determine the grinding degree of raw ore. The grinding degree is small, indicating that the raw ore is easy to grind, and the wear of the ball mill lining plate and grinding medium is relatively small, and the energy consumption is low; The grinding degree is large, indicating that raw ore is difficult to grind, and the wear of ball mill lining plate and grinding medium is also large, and the energy consumption is high. It shows that the grindability of raw ore directly affects the grinding efficiency of ball mill.
Therefore, in the production, when the raw ore is difficult to grind and the particle size requirements are fine, we can in the case of economic and site permit, take certain measures to enhance the grinding degree of raw ore, such as adding chemical agents in the grinding process to increase the grinding efficiency; Or from the raw ore grinding degree of efforts: heating the minerals in the raw ore, reduce hardness.
2, more grinding and less grinding, reduce the ball mill into the grinding size
The larger the grinding size, the greater the work of the ball mi
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