... quality and sevice High efficiency Long using life LS screw conveyor has been widely used in building materials, metallurgy, chemical ... cement, coal, grain , fertilizer, ash, sand, coke. Not transport perishable, Viscous, easy caking materials, LS screw conveyor working temperature is ... -20 · -80 °C, LS appropriate level and screw conveyor small angle arrangement, angle of not more than 15 °C ...