Screw conveyor is one of conveying equipments to conveyor bulk material, but in order to satisfed with different material, the screw conveyor is divided into screw conveyor with shaft and shaftless screw conveyor.
1, screw conveyor with shaft has a center shaft, while shaftless screw conveyor does not;
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| screw conveyor with shaft | shaftless screw conveyor |
2, screw conveyor with shaft is mainly used to conveyor dry bulk material or samll pellet material, such as coal ash, sand; but shaftless screw conveyor is suitable to convey sticky and entangled material, for example suldge,domestic garbage;









