Filter Bag daily maintenance precautions

Jan 14, 2022

The dust collector bag is the heart of the dust collector. As an important dust removal accessory for the bag filter, the Nomex Needle Felt Dust Filter Bag daily maintenance precautions are as follows:


1. The old cloth bags of new technology should not be mixed to avoid different damage time from affecting the normal operation of dust removal equipment.


2. Blow the replaced cloth bag with compressed air first, and then check whether there are any holes. After the holes are repaired, keep them for replacement. If the cloth bag is stuck with dust, rinse it with water, let it dry and save it for replacement.


3. Try to set the cleaning cycle to be longer, which can reduce the outlet pressure and increase its stability. In response to this situation, you can call the technical maintenance department of the dust collector manufacturer to listen to their opinions and suggestions. The problem is not very big, and if you pay more attention, you can get it out of production.


4. For wear and tear, you need to pay attention to the air flow when you use it. If it is larger, you need to increase the automatic flow control system, which can make the machine work more stably and reduce the uneven air intake. And the addictive makes the bag perforate or break.


5. There is a distance between the dust bag and the keel, you need to pay attention to the burrs on the keel, and be careful to puncture the bag. If the ambient temperature is relatively high, you need to change the bag in time after a long time, because holes may occur. And the cloth bag should not be hung too loosely or too tightly. Too loose and easy to accumulate dust, and too tight to be easily damaged.


6. The aging of cloth bags. Mainly due to the following reasons, it is necessary to investigate the cause, take elimination measures and replace the dust filter bag.
① Hardening and shrinking due to abnormal high temperature;
②Reaction due to contact with acid, alkali or organic solvent vapor;
③ It reacts with moisture.
 
7. Clogging of the dust bag. When the cloth bag is clogged, the resistance can be expressed by the increase in the reading of the differential pressure gauge. The clogging of the cloth bag is the main reason for the phenomenon of cloth bag wear, perforation and falling off. For the cause of the clogging of the dust bag, check and repair according to the following table. The following measures are generally taken:
①Temporarily strengthen dust removal to eliminate clogging of cloth bags;
②Change the cloth bag partially or completely;

③Adjust the installation and operating conditions.


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