LS spiral conveyer is a continuous conveying equipment which is used in extensive fields such as metallurgy, building materials, chemical, food and mechanical processing.This machine is divided into horizontal type and vertical type from the angle of conveying material displacement direction. Mainly used for level conveying and vertical ascension of loose material such as all sorts of powder, granule and small block. This equipment is not suitable for conveying such special materials which is easy metamorphism, high viscosity, easy to agglomerate or high temperature, fear of pressure, and larger corrosive.