The continuous conveyor screw conveyor is a wide range of sectors of metallurgy, building materials, chemicals, food and machining applications. 
 It has a simple structure, making the advantages of low cost, sealing strong, safe and convenient operation, the middle can be multi-point loading, unloading. Widely used in chemical industry, building materials, metallurgy, food and other departments, in the case of the inclination angle β <20 °, transportation viscosity small, non-perishable, not locust caking of powder, granular and small pieces of material.