ball mill use for palvarization of coal

Ball mill - Wikipedia

A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing The ball mill is used for grinding materials such as coal, pigments, and feldspar for pottery. Grinding can be carried out either wet or dry but the former

Pulverizer - Wikipedia

A pulverizer or grinder is a mechanical device for the grinding of many different types of materials. For example, a pulverizer mill is used to pulverize coal for combustion in the The ball and tube mills are low-speed machines that grind the coal with steel balls in a rotating horizontal cylinder. Due to its shape, it is called a