... Long using life LS screw conveyor has been widely used in building materials, metallurgy, chemical industry, electric power, coal, machinery, light ... , ash, sand, coke. Not transport perishable, Viscous, easy caking materials, LS screw conveyor working temperature is usually -20 · -40 ° ... C, the temperature is in the transport of materials -20 · -80 °C, LS appropriate level and ...