Shnekovy conveyors (
screw conveyors) use at the enterprises for movement in the horizontal, vertical and inclined directions of loose, melkokuskovy, dust-like, powdery materials, on distance up to 40 m across.
The screw consists of the trench executed in the form of a pipe, or having the form of the semi-cylinder covered from above with a cover. Loading of the screw happens through one or several openings in a trench, and at rotation of the screw the transported material moves along a trench. Unloading of the screw is made through an opening in the bottom.
The screw metal construction, the choice of the drive, shaft of the screw is made depending on the characteristic of the moved material of the screw and the customer's wishes.
Advantage of screws is the closed case and compactness in comparison with other transporting equipment, simplicity of the device and maintenance, small overall dimensions in comparison with other shipping devices, tightness, convenience of intermediate unloading, and also safety and suitability for transportation of different types of materials.