There are many types of flour milling machine currently in use, and there are several types according to different classification methods:

According to the length of the grinding roller, it is divided into three types: large, medium and small. The roll length of large roller mills is generally 1500, 1250, 1000, 800, 600mm; the roll length of medium roller mills is generally 500, 400, 300mm; the roll length of small roller mills is generally 200mm.

According to the number of rollers, it can be divided into single type and double type. Only one pair of grinding rolls is a single roller mill; two pairs and above are combined roller mill. At present, large and medium roller mill are combined roller mil.

According to the control mode, it is divided into three types: pneumatic automatic control, hydraulic automatic control and manual control. Large and medium roller mills are mostly pneumatic automatic control, and small roller mills are generally controlled manually.