Every mining processing plant use grinding equipments, the main grinding machine that used in mining processing plant is ball mill.
Crushed by the former crushers, valuable mineral and gangue are fed to subsequent grinding equipments, the ball mill. The aggregates will be ground to small particles by the inner medium of the ball mill. Ground particles will be discharged by water or by airflow.
Usually there are three kinds of ball mill grinders:
Grid style ball mill
Grid style ball mill adopt forced discharge method. By this method, the discharging speed is increased. As a result, it avoids the excessive grinding process and increase the capacity per cubage.
Overflow type ball mill
The structure of overflow type ball mill is quite similar with the grid style ball mill. But it is simple than the former. It utilizes the stream of the ore pulp. So it is one high efficient grinding mill. In the mining processing, it fit for high requirement of ground particle size.
Autogenous mill
Autogenous mill has two types – the dry series and wet series grinding mill grinder. Autogenous mill widely used in nonmetallic ore, ferrous metal mining, nonferrous metal, precious metal ore dressing process. For instance, the wet autogenous mill grinder is usually used in iron concentrating plant.
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