What are the uses of screw conveyor ?

Screw conveyor, additionally referred to as auger conveyor, is a sort of conveying gadget that makes use of motor to force spiral rotation to transport substances to recognize transportation. Screw conveyor is appropriate for horizontal conveying, willing conveying and vertical conveying of debris or powdered substances. It is a broadly used conveying system in mineral, feed, grain and oil, creation industry. The screw conveyor has the blessings of easy structure, small cross-sectional area, accurate sealing, handy operation, clean maintenance, handy closed transportation and so on.

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It's working principle :

The principal additives of the screw conveyor include: using device, cease bearing seat, screw shaft, screw blade, cease feeding port, center feeding port, intermediate bearing seat, head bearing seat, center discharge port, head discharge port, gadget slot etc.

When screw conveyor works, the screw shaft rotates, and the fabric movements ahead alongside the trough backside of the conveyor below the frenzy of the blade. Because of the gravity of the fabric and the friction among the fabric and the groove wall, the fabric does now no longer rotate with the blade of the screw conveyor. The transportation of substances withinside the conveyor is a sort of taxiing.

Read: What are the uses of spreader beam

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Types of screw conveyor :

1. Vertical screw conveyor :

The rotational velocity of the screw frame of the vertical screw conveyor is better than that of the everyday screw conveyor. below the movement of centrifugal force, there's a friction among the conveying cloth and the casing, which prevents the cloth from rotating with the screw blade and overcomes the falling gravity of the substances. As a result, the vertical transportation of substances is realized.

The vertical screw conveyor has the benefits of small conveying capacity, small conveying top, excessive rotational velocity and excessive strength consumption. It is specially appropriate for conveying powdered granular substances with suitable fluidity, that's in particular used to boost substances, and the lifting top is generally ≤ 8m.

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2. Horizontal screw conveyor :

When the cloth is delivered to the constant device slot, because of the gravity of the cloth and the friction among the device slot and the device slot, the cloth collected withinside the decrease a part of the device slot does now no longer rotate with the spiral body, however most effective actions ahead pushed via way of means of the rotating spiral blade.

The horizontal screw conveyor is handy for multi-factor loading and unloading, and mixing, stirring or cooling may be finished on the identical time withinside the conveying process. It is appropriate for non-stop and uniform transportation of free substances with horizontal or small inclination angle, the running surroundings temperature is -20—+40℃, and the conveying cloth temperature is -20—+80℃.

The rotational velocity of the horizontal screw conveyor is decrease than that of the vertical conveyor, and the conveying distance is ≤ 70m.

Read : What are the uses of chain conveyor

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3. Shaftless screw conveyor

Compared with the conventional shaft screw conveyor, the shaftless screw conveyor adopts the layout of no imperative shaft, that could efficiently save you the affect of clogging and winding, and is appropriate for conveying ribbon, loose, sticky and easy-to-winding materials. the entire conveying procedure is finished in a closed conveyer, the cloth will now no longer spill out and keep away from secondary pollution.

The shaftless screw conveyor may be transported horizontally or withinside the variety of 25 °.

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4. Inclined screw conveyor 

Inclined screw conveyor is a non-technical constant type, so it's also referred to as cellular screw conveyor, the lean perspective is normally now no longer greater than 90 °, one of a kind screw conveyors, the corresponding perspective is likewise one of a kind:

Shaft screw conveyor: the inclination perspective is set 45 °.

Shaftless screw conveyor: inclination < 30 °.

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5. Bendable screw conveyor 

The worm shaft of the flexible screw conveyor is flexible, so the conveying line can be arranged according to the curvature of the space as needed. This screw conveyor can be used not only for straight-line transportation, but also for transportation. The flexibility makes it very convenient for users to organize all kinds of equipment. A single flexible screw conveyor can convey materials up to 10 meters vertically and up to 25 meters horizontally. If necessary, several conveyors can be connected in series, which can be transported further and longer.

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