The working principle of cloth bag dust collector
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The working principle of cloth bag dust collector

Views: 1     Author: Site Editor     Publish Time: 2023-03-06      Origin: Site

The working principle of cloth bag dust collector


Cloth bag dust collector is a dry dust removal device, which is suitable for collecting fine and dry non-fibrous dust. The filter bag is made of textile filter cloth or non-textile felt, and the dust containing gas is filtered by the filtering effect of fiber fabric. When the dust containing gas enters the dust collector of the bag, the dust with large particles and heavy ratio will settle down due to the action of gravity and fall into the ash hopper. When the gas containing finer dust passes through the filter material, the dust will be blocked and the gas will be purified.

General new filter material dust removal efficiency is not high enough. Filter material used for a period of time, due to screening, collision, retention, diffusion, electrostatic and other effects, the surface of the bag accumulated a layer of dust, this layer of dust is called the first layer, in the process of movement after this, the first layer became the main filter layer of the filter material, relying on the role of the first layer, larger mesh filter material can also obtain higher filtration efficiency. With the accumulation of dust on the surface of the filter material, the efficiency and resistance of the dust collector are increased accordingly. When the pressure difference between the two sides of the filter material is very large, some of the fine dust particles have been attached to the filter material are squeezed in the past, so that the efficiency of the dust collector is reduced. In addition, the high resistance of the dust collector will make the air volume of the dust removal system decrease significantly. Therefore, after the resistance of the precipitator reaches a certain value, the dust should be cleaned in time. The initial layer cannot be destroyed when cleaning, so as not to reduce the efficiency. [2]

The structure of cloth bag dust collector is mainly composed of the upper box, the middle box, the lower box (ash bucket), the dust cleaning system and the exhaust mechanism. In addition to the correct selection of bag material, the dust cleaning system plays a decisive role in the performance of the bag dust collector. Therefore, the cleaning method is one of the characteristics to distinguish the bag dust collector, but also an important link in the operation of the bag dust collector.

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