Rod mill adopts steel bars as the grinding medium in the cylinder, which is mainly used to smash all kinds of ores and raw materials, particularly a variety of brittle materials.
Cement mill is also called cement ball mill, which is mainly used for grinding cement clinker in the cement production process. It is one of the important cement equipment.
Coal mill is a kind of ball mill, which is often used to crush and grind coal bricks into powder, so it is also called coal grinding mill. Coal mill is the main equipment in cement plant, which is used for drying and grinding of coal.