The raw vertical mill is one kind of roller mill that is equipped with 4 rollers. The grinding roller, rocker arm, support structure and hydraulic system constitute the grinding power unit, which is divided into 4 groups and is arranged around the grinding disc.

In the technical and economic viewpoint, the raw vertical mill is very advanced grinding equipment, compares with the traditional grinding equipment, it has the following advantages:

―Can be used for grinding various materials

―Small floor space

―Low per unit power consumption

―Easy adjustment

―Quick control response

―Superior dry method grinding capability

―Convenient maintenance (wear part can be replaced without disassembling the mill)

―Low level vibration from the start up to shutdown

―Low level noise

―Adaptable

Compared to other brands, this mill also has the advantages of simple structure and light weight.