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Screw conveyors are conveyor systems that transport bulk materials from one location to another. Screw conveyors are also known as spiral conveyors, helix conveyors and centerless auger conveyors. In certain applications, screw conveyors may also prove advantageous in the breakdown and agitation of materials. Screw conveyor manufacturers produce conveyors that consist of a rotating, spiral screw within a trough. The rotation of the screw pushes the materials through the trough to the intended destination. The trough is easily emptied and cleaned because of a removable cap that covers the intake end of the conveyor.

Screw configuration makes screw conveyors useful in transferring powders, sludge, fuels, ash, feed, cement, ice and certain minerals. In some situations, screw conveyors will even outperform more standard types of conveyor systems. Because the screw will cut through materials during operation, sticky materials, materials that do n