How to choose the dust bag suitable for working conditions

Jan 03, 2022
The design of the fiber fabric of different dust-removing bags is to pursue high-efficiency filtration as much as possible, and pursue a longer service cycle. So how to choose the right dust collection bag?

The baghouse bag is a key component of the bag filter. Generally, it needs to be determined according to the acid-base performance of the dust, the chemical nature of the gas containing the dust, the temperature of the working condition, etc., so it is different for different working conditions. The focus of selection is also different.

According to the nature of the gas under the working conditions, select the suitable dust bag that is resistant to high temperature or humidity

Temperature: The temperature is lower than 130 degrees, you can choose the conventional bag house filter bag such as polyester dust removal bag, the temperature is greater than 130 degrees, you need to choose high temperature dust filter sleeve, such as flumesi dust bag, PTFE dust bag, etc.

Humidity: The choice of gas humidity. The product engineering department of Xinwei Environmental Protection, based on actual working condition experience and test conclusions, when the relative humidity of the gas in the working condition is greater than 30%, we should choose a waterproof cloth bag with a film.

Acid and alkali: Fully consider the acid and alkali properties in the working conditions. Various types of kiln boilers often contain acid and alkali. The performance is different and the corrosive working conditions. Therefore, it is necessary to choose different use of acid and alkali resistance or Anti-oxidant dust bag.

The baghouse filter sock is selected according to the special nature of the dust.
1. The wettability and adhesion of dust. If the dust is dust-absorbing and highly adhesive, choose a dust-removing filter bag with a waterproof membrane filter material.
2. The combustibility and nuclear power of dust. Certain dusts are flammable, and flame-retardant dust collection bags should be selected. Dust filter bags are specially used for nuclear power dust.

Select the dust bag according to the dust removal method of the dust collector.
1. Mechanical vibration type bag filter. It is required to choose a filter material that is thin and smooth, with a soft texture, and is conducive to the transmission of vibration waves, such as PTFE dust filter fabric bag.
2. Back-blowing bag type dust collector.

Pulse bag filter. The outer filter round bag with frame is usually used. It is required to choose thick, wear-resistant, and strong tension resistance. For example, Metas dust filter bag and so on.
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