Shaftless screw conveyor

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The shaftless screw conveyor is a special bulk material conveying device that eliminates the traditional central shaft.Its core components include the shaftless screw blade,wear-resistant liner,drive unit,and fully enclosed casing.It is widely used in environmental protection,municipal,and food industries,and is suitable for materials that are prone to entanglement and blockage,such as sludge,food waste,fruit and vegetable residues,and sticky powders. The shaftless design fundamentally solves the common problems of material jamming in the gap between the shaft and blade,and fiber entanglement in traditional shafted conveyors.The screw blade is directly driven by the drive unit to rotate,and the material is pushed forward along the inner wall of the liner,significantly improving the smoothness of conveying. The fully enclosed casing prevents the leakage of odors and dust.The liner is made of wear-resistant materials to extend the service life of the equipment.The compact structure and flexible turning capability of the device make it adaptable to narrow spaces and multi-angle layout requirements.Although the conveying distance is relatively short,its strong resistance to blockage and ease of cleaning make it an ideal alternative to traditional shafted conveyors when handling materials with complex characteristics.

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screw conveyors

screw conveyor

Shaftless screw conveyor

Comparison of single shaft, double shaft, and shaftless screw conveyors

Shafted Screw Conveyor: Equipped with a central solid shaft to support the screw blade; suitable for conveying dry, granular, or powdery materials (e.g., cement, grain) without easy entanglement. Shaftless Screw Conveyor: No central shaft; relies on the rigidity of the screw blade itself for operation; ideal for materials prone to winding, clogging, or caking (e.g., sludge, wet coal, fibrous materials).

Key words:

screw conveyors

screw conveyor

Shaftless screw conveyor

Single shaft screw conveyor

Double shaft screw conveyor