For coal mill, you have several types to choose. Ball mill is widely used in mineral grinding mill industry. Ball mill has simple structure, low cost, high capacity and convenient maintenance. Vertical coal mill is also called LM series vertical roller mill, and is also widely used in mineral grinding mill industry. Vertical coal mill is big in appearance with high capacity. Raymond Mill is the eary grinding mill, but now is still used widely.
About Coal Beneficiation, there are three kinds of processes may be performed at the plants:
(1) Sizing, controlled by a crushing and screening process.
(2)Increasing heating value, by removing noncombustible ash and rock by gravity separation.
(3)Removing or controlling undesirable mineral and chemical componentsby a combination of gravity separation and blending.