Screw Conveyor uses motor to drive screw rotate, uses rotating screw to move the material inside the fixed shell, which forms material conveying. There are horizontal, tilting and vertical three forms, adopt ing U-shape or O-shape shell as a supporting body. Suitable for the transportation of fruit and vegetable residue, It has a simple structure, small cross-sectional area, and is good for closed transmission, can be more loading or unloading.