Screw conveyor is a kind of continous conveying equipment which is widely used in medicine, food, metallurgy, building materials, chemical industry, grain and mechanical processing departments devided from the perspective of the direction of displacement of the conveying material, the screw conveyor is divided into horizontal type and vertical type, which is mainly used for horizontal conveying and vertical lifting of loose materials such as various powders, granules and small pieces.

Compared with other conveying equipment, the screw conveyor has the advantages of small size of the cross section, good sealing performance, stable and reliable operation, multi-point loading and unloading, safe operation, and easy maintenance,