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Conveyor article

What are the reasons for the failure of spiral conveyor idler?

Number of visits: Release date: 2020-07-22 14:12 source: admin

Screw conveyor is a kind of equipment that uses hopper running along the track to transport materials horizontally or obliquely. It is widely used in power plants, mines, coal and other industries, used to transport various loose materials.

 Screw conveyor

The reasons for the failure of spiral conveyor idler are as follows

1. Conveyor barrel

In places with corrosive substances such as salt spray, the surface of outer cylinder is seriously rusted, which will accelerate the wear of conveyor belt. In order to solve this problem, a 160mm antistatic reinforced nylon outer cylinder is developed, which opens a new way to prevent the outer cylinder from rusting.

2. Sealing of conveyor idler

The idlers often work under dusty conditions, and sometimes the idling idlers are still running in the coal slime water. The two sides of the trough type idlers of outdoor conveyors will also seep along the shaft end gap due to rainwater, which will cause corrosion of the bearing dust cover and its cage, and the deterioration of the lubricating grease. The effective measures to improve the sealing structure and prolong the service life of the roller.

3. Grease for hand roller of conveyor.

The roller should use lithium base grease, which has high dropping point, is not easy to lose grease, and is not easy to deteriorate and agglomerate, which can prolong the service life of the roller and reduce the friction resistance.

4. Bearing of conveyor

The bearing failure is mainly caused by the invasion of moisture, dust or foreign matter, which causes the bearing to rust and the grease to deteriorate. The special roller bearing with larger ball diameter, single side open nylon cage and larger axial clearance can effectively prevent the bearing from jamming. Its service life is more than five times that of ordinary bearing, and the power consumption can be reduced by about 18.

 Application scenarios of screw conveyor

Screw conveyor quantity control:

1. Solve the problem from the source feeding end;

2. Add frequency converter, frequency control;

3. Add speed regulating motor to control feeding quantity.

4. The ash discharge valve can be added at the feed port to adjust the feeding control

5. Frequency converter can be added to adjust the conveying capacity

If the blade pitch is less than 6, the blade can be used to prevent the material from accumulating.

 Screw conveyor

The screw conveyor uses the rotating screw to push the transported materials along the fixed shell for conveying work.



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