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The rotating spiral blade will pass the material into the screw conveyor, so that the material is not rotating with the screw conveyor blade force is the material itself weight and screw conveyor shell of material friction resistance. Screw conveyor rotary shaft welding spiral blade, blade surface type according to the delivery of different material solid surface type, belt surface type, blade surface type. Screw conveyor screw shaft in the direction of material movement terminal thrust bearing with material to screw axial reaction force, in the long, should be added in the middle hanging bearing.

Screw conveyor is generally composed of three parts: conveyor body, inlet and outlet and driving device; Screw blade of the screw conveyor entity helicoid, belt type spiral blades of screw surface and surface three forms, among them, the spiral vane surface application is relatively small, it is mainly used for transporting materials in large viscosity and compressibility, the helical surface type, in complete conveying process, at the same time with and complete mixing, mixing of materials, and other functions.

Compared with other conveying equipment, screw conveyor has the advantages of small size, good sealing performance, stable and reliable operation, multi-point loading and unloading in the middle and safe operation, easy maintenance, etc.