Magwell Industries

Screw conveyor.

MAGWELL SCREW CONVEYORS are self contained, compact, dust tight conveyors designed for fast and convenient conveying of powders. Our screw conveyor fabricated out of heavy steel, or any specified material of construction. They are used in leading processing plants for conveying dry powder / grain size materials.

Design aspects planned for maximum efficiency in leak proof construction. It has fabricated ‘U’ trough and tubular trough having well aligned and balanced shaft that carries screw flights over it. The conveyor is with built in drive arrangement / gearbox as specified and supporting legs. The structure can be designed in such a manner so as to give a degree to the conveyor ? this is done when the material is to be conveyed to a certain height.

Screw conveyor

Working Principle:

A screw conveyor consists of a shaft mounted screw rotating in a trough and a drive unit for running the shaft. Screw conveyors can be operated vertically, horizontally, or at an angle; although they are less efficient on an angle. A conveyor on a 25-inch incline will lose 50 percent of its carrying capacity.

The bulk material feed into the trough and screw flight was hold back by the frication resistance acted on the wall of trough during running, the screw flight push the material and make the material do axial movement.

A helical blade is attached to a drive shaft which is coupled to a drive unit. The shaft is supported by two end bearings and intermediate bearings. The U-shaped trough has a cover plate with an opening for loading the conveyor. A discharge opening is provided at the bottom of the trough. The loading and discharging points can be located anywhere along the trough. More than one feed hopper and discharge hopper may be fitted according to the necessity.


screw conveyor machine is widely used in various industries, such as building materials, chemical industry, electric power, metallurgy, coal carbon industry, suitable for horizontal or inclined conveying powdery, granular and small bulk materials, such as coal, ash, slag, cement, food, material temperature less than 200 DEG c..


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