Mill
Comex AS

Grinding systems

Fine grinding is often the largest cost item when producing different materials because of the amount of energy consumed in the process. More efficient comminution methods are therefore sought. Dry ball mill grinding is still widely used, but other methods are often preferred as the alternatives are thought to be more cost effective.

Improvement of classification and optimization of dry grinding circuits have demonstrated substantial gains in capacity and energy requirement which makes the dry ball mill grinding circuit competitive even for grinding down to 98% - 8 µm. Especially air swept mills are efficient for fine grinding as they can provide preliminary classification inside the mill. They may have 25 % more capacity than grate discharge mills. Comex can supply the complete equipment for any type of a ball mill circuit.

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