The spiral conveyor is mainly used for conveying cement and fly ash material in concrete mixing station. It has a small diameter, high speed, high precision and good delivery condition. The gear reducer drives, the torque is large, the noise is low, the oil is not seepage, the life is long, the quality seamless pipe conveying shell, flange connection. The equipment overall good rigidity, large carrying capacity, when conveying, whether horizontal conveying, still can continuous transmission of large dip Angle, and the optional choose job position and working status, easy disassembling repair, safe and reliable, and is a new generation of ideal environmental protection product.