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Dewatering screen failure quick elimination method



High frequency dewatering screen cannot be started or the amplitude is too small

Should first consider whether the motor is damaged, or whether the components in the line are damaged, or the local voltage is insufficient at the time. If there is no problem in these three aspects, then it should be checked from the machine, and the material on the screen surface should be piled up too much. Clear it immediately. Since the accumulation of too much material directly affects the amplitude of the vibrating screen. Whether the coupling bolt on the vibration exciter is detached or not, and the grease is thickened and agglomerated. At this time, the exciter can be cleaned and the eccentric shaft weighting block or the position of the sub eccentric block can be appropriately adjusted.

Abnormal material activity on the screen

It may be that there is an insufficient critical frequency of the screen box, indicating that the coupling bolt has been loosened, and even the degree of full vibration needs to be tightened immediately. Second, the horizontal level of the screen box is not fixed, and the fault is detected from the support foot spring itself. The spring or the size of the pad or the seat can be changed, and the screen mesh may be damaged. Just replace the screen. If the rigidity of the screen box is insufficient, the horizontal level will not cause the beam to break. If it is still running, the material will be abnormal. It is also possible that mishandling, that is, the extreme imbalance of the feedstock is also one of the reasons.

The vibrating screen rotates slowly and the bearing heats up.


This shows that the usual maintenance has not kept up, the bearing lacks grease; daily maintenance is also very important. If the bearing is a new grease, it may be the quality of the grease or too full, the inferior oil makes the bearing obstruction maze seal jam, so the quality of the grease is important. The quality of the vibrating screen is not good. The reason is that improper use may also be blocked by the mesh. The fine particles in the feed material increase and the moisture increases, so that the upper layer of the screen is too thick and the feeding is uneven. The responsibility on the machine may be screen. The two sides are not pulled tightly. If the shaft is eccentrically vibrated, the belt may be too loose in the belt drag.



The drum screen belongs to the relatively large processing equipment in the screening equipment. Although there is no complicated structure of the magnetic separator and the sorting machine, the processing amount is large during the use, so it is inevitable that some mechanical equipment will appear during the long-term use. The failure of the technical experts gives the corresponding solution.

1. Noise problem caused by loose equipment bolts Solution: Retighten bolts or other fasteners;
2. Wrong direction of rotation caused by wrong connection of motor power cables Solution: Replace the power cable in the junction box;
3. Solution to the clogging of the sieve of the trommel screen

https://www.lzzgmachine.com

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