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Precautions for prolonging the life of air dust filter bag

Views: 0     Author: Site Editor     Publish Time: 2022-08-31      Origin: Site


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1. The used filter bags of the new process should not be mixed, so as to avoid the different damage times affecting the normal operation of the dust removal equipment.

 2. Blockage of the dust filter bag. When the filter bag is blocked, the resistance increases, which can be shown by the increase in the reading of the differential pressure gauge. Clogged bags are the main cause of bag wear, perforation, and falling off. The cause of the clogging of the dust filter bag is checked and repaired according to the table below. The following measures are generally taken: ① Temporarily strengthen the cleaning to eliminate the blockage of the filter bag; ② Partially or completely replace the filter bag; ③ Adjust the installation and operating conditions.

 3. Blow out the replaced cloth bag with compressed air first, and then check whether there are any holes. If the bag is covered by dust, rinse it with water, and leave it to be replaced after drying.

 4. The filter cloth should not be hung too loosely or too tightly, too loose will easily accumulate dust, and too tight will easily be damaged.

 5. The aging of the dust filter bag. If it is mainly caused by the following reasons, it is necessary to investigate the cause, take measures to eliminate it and replace the dust filter bag. ①It hardens and shrinks due to abnormal high temperature; ②It reacts with the vapor of acid, alkali or organic solvent; ③It reacts with moisture.

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