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Without central axis interference, shaftless screw conveyor has special advantages for conveyor belts and easy-wound materials. These conveyors are used in the sewage treatment plant to transport medium fine grids with a grid spacing of 50mm, such as decontamination machine screen slag and filter mud cake. Its easy-to-clean spiral surface ensures that the sanitation and the materials delivered are free from the contamination and leakage.
Because the screw has no shaft, the material is not blocked and the discharge port is also not blocked. Therefore, it can run at a lower speed and can be driven smoothly to reduce energy consumption and torque up to 4000N/m. It has large transport volume and the delivery volume is 1.5 times that of a conventional shaft screw conveyor of the same diameter. Single conveyor length is up to 60 meters. According to the requirements of the user, it can adopt multi-stage tandem installation to transport materials over long distances. It can work mobile, special liners are used, which can work at high temperatures. It has compact structure, space-saving, beautiful appearance, easy operation, economical and durable.
The shaftless screw conveyor mainly consists of a driving device, head assembly, housing, shaftless screw body, tank body liner, feed inlet, discharge port, cover (when required), base, and the like.