LS, GLS screw conveyor is widely used in metallurgy, electric power, chemical industry, building materials, grain and other industries, mechanical conveying equipment, mainly used to transport powder, small particles and small pieces of material, can Be Horizontal, tilt. The utility model has the advantages of simple structure, cross section, small area, low cost, convenient operation, flexible layout of the inlet and outlet ports, and can meet the technological requirements of multi-point feeding and multi-point layout.