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Common problems and solutions for dust bag

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Common problems and solutions for dust bag

Date of release:2019-01-02 Author:Huaji Environmental Protection Click:

The dust bag is the key component to determine the bag dust removal efficiency. The cost of replacing the bag is the main maintenance cost of the bag filter.

The working life of the bag is related to the operating status and cost of the precipitator. Pay attention to the following aspects:

1. Clogging of the bag. When the bag is clogged, the resistance is increased and can be expressed by the increase in the reading of the differential pressure gauge. Clogging of the bag is the main cause of the wear, perforation, and shedding of the bag.

Causes the bag to clog:

Temporarily strengthen the cleaning to eliminate the blockage of the bag;

Replace the filter bag partially or completely;

Complete installation and operating conditions.

Dust filter cloth

2. The bag is damaged. The shape of the dust bag and the installation method and mechanism of the bag determine the position where the bag is easily damaged, and thus can be inspected and repaired. However, the bag is mainly damaged due to the following reasons. If the damage occurs, check the following table:

3. The aging of the filter bag. Mainly due to the following reasons, it is necessary to conduct a cause investigation, take elimination measures and replace the cloth bag.

Hardening and shrinking due to abnormally high temperature;

Contact reaction with a vapor of an acid, a base or an organic solvent;

React with moisture

4, filter cloth should not be too loose or too tight, too loose and easy to dust, too tight and easy to pull.

5, the new process of old cloth bags should not be mixed, to avoid damage to the time to affect the normal operation of the equipment.

6. Replace the dust bag, first blow it with compressed air, and then check if there is any hole. After the hole is repaired, it is reserved for replacement. If it is covered with dust, rinse it with water, dry it and leave it for replacement.

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Key word:Dustbag,filterbag,Industrialfilterbag

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