Screw conveyors are widely used in various industries, such as building materials, chemical industry, electric power, metallurgy, coal, grain and other industries. They are suitable for horizontal or inclined conveying of powdered, granular and small block materials, such as coal, ash, slag, cement, grain, etc., with material temperature less than 200℃. Screw conveyors are not suitable for conveying perishable, sticky and easy-to-agglomerate materials. In concrete mixing plants, the role of screw conveyors is best reflected.
(1) Screw conveyors are a type of conveying equipment widely used in chemical industry, building materials, grain and other departments. They are mainly used for conveying powdered, granular and small block materials. They are not suitable for conveying perishable, sticky and easy-to-agglomerate materials.
(2) The ambient temperature of the screw conveyor is -20~50℃; the inclination angle β of the conveyor is ≤20°; the conveying length is generally less than 40m, and the maximum does not exceed 70m.
(3) Compared with other conveying equipment, screw conveyors have the advantages of simple structure, small cross-sectional dimensions, good sealing performance, multiple loading and unloading points, safe and convenient operation, and low manufacturing cost. Its disadvantages are severe wear of mechanical parts, low conveying capacity, high power consumption, and easy breakage of materials during transportation.