LS Series U-type Screw Conveyor for Material Handling
A screw conveyor (also known as spiral conveyors,conveyor screw,auger conveyor)is one of the most versatile and cost effective mechanical conveyors for handling dry bulk solids such as flakes, grains, powders, seeds and granules. The conveyor provides enclosed transfer while moving materials-horizontally, vertically or at an incline and can deliver materials from one or more inlet points to one or more discharge points. It usually consist of a trough or tube containing either a spiral blade coiled around a shaft, driven at one end and held at the other, or a "shaftless spiral", driven at one end and free at the other. Screw conveyors can be operated with the flow of material inclined upward. When space allows, this is a very economical method of elevating and conveying. As the angle of inclination increases, the capacity of a given unit rapidly decreases.
1.Simple structure, good sealing, large capacity, long service life.
2.Convenient installation and maintenance, as well as easy operation.
3.Working temperature is -20~50ºC, with material temperature below 200ºC.
4.The conveying length is up to 70m.
5.Suitable for horizontal and slightly inclined transport of powdery, granular materials.
1.It can be sealed to prevent the escape of dust or fumes from inside the conveyor; or prevent dust contamination from outside the conveyor.
2.It can be used to control the flow of material in processing operations which depend upon accurate batching
3.It can be utilized in the horizontal, vertical or any inclined position depending upon the characteristics of the product being conveyed.
4.It can be used as a mixer or agitator to blend dry or fluid ingredients, provide crystallization or coagulant action, or maintain solutions in suspension.
5.Screw conveyors can have multiple conveyor outlets, making discharge to multiple outlets cost effective.
It is widely used for chemical, metallurgy, paper making, and construction industries. The equipment is suitable for field flowing work, such as concrete mixing station, bulk material transit storage and etc.
|Screw pitch (mm)|
rotational speed of screw
(m 3 /h)
max dip angle
( o )
Primary considerations for the selection of a screw conveyor are as follow:
1.Type and condition of the materials to be handled, including maximum particle size, and, if available, the specific bulk density of the material to be conveyed.
2.Quantity of transported material, expressed in pounds or tons per hour.
3.The distance for which the material is to be conveyed.
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