The application rate of bag-type dust collectors in the market is now high. As a widely used industrial dust collector, bag-type dust collectors have been widely applied in dust removal in industrial workshops. The operation and maintenance knowledge of bag-type dust collectors have gradually been understood by people. However, during the operation of bag-type dust collectors, there may sometimes be a phenomenon of excessively high pressure difference.

More dust-consuming enterprises have begun to pay attention to the application and maintenance knowledge of bag-type dust collectors. Here, we will explain the main reasons for the increase in pressure difference of the  for everyone.

The main reasons for the increase in the pressure difference of the filter bags in the dust collector and the corresponding solutions are:

First, if the temperature of the dusty gas is too high and no thermal insulation measures are taken in the bag filter system, resulting in a significant temperature difference between the dust entering the bag filter through the pipeline and the external environment, heat exchange will occur to cool down and cause water vapor to condense, increasing the humidity and viscosity of the dust. At this point, thermal insulation measures should be taken for the pipelines and bag-type dust collectors, or the pre-cooling of the swept gas should be stopped.

Improper setting of relevant parameters of the pulse jet system will lead to poor dust cleaning effect of the bag filter. If the time distance of the pulse blowing of the filter bag is too long, the width of the pulse blowing is too short, and the pressure of the compressed air is too low, the tension of the filter bag will decrease. As a result, the dust on the filter bag will accumulate too thickly, seriously affecting the dust removal effect. At this point, the relevant parameters of the pulse jet system should be reset to make them consistent with the actual dust filtration situation.

Three, the bag filter pulse valve data do not match the characteristics of the dust, resulting in the blockage of local pores. For dust with high concentration, small particle size, high humidity and high viscosity, the dust removal bags should be coated filter bags. Coated filter bags are made by covering the surface of needle-punched filter cloth with polytetrafluoroethylene microporous film. The surface of the filter bags is very thin, smooth, has many micropores, small pore diameters, high porosity, low friction coefficient, and can avoid non-sticking to the cloth bags.

Fourth, if the dust removal load of the bag filter and the filtration air velocity of the filter material are too high, or if the dust concentration processed by the bag filter system is too high and the filtration air velocity value of the filter material is too high, it will both lead to an increase in the pressure difference of the filter bags. The dust removal load of the bag filter and the filtration air velocity of the filter material should be reduced, that is, the filtration area should be increased to lower the filtration air velocity of the filter material.

In the development of different industries, the requirements for the application of equipment are also different. To meet the continuous demands of the market, many new types of equipment are constantly emerging in the market. The appearance of a new type of equipment can contribute to the development of many industries. Currently, the new product of dust removal bags has received attention in the market development and has become a widely used type of product. Due to the inherent advantages of this product, it has played a role in the application process and has been selected and used in various fields.

At present, dust collectors and dust removal equipment can separate dust from flue gas. Then, the bag filter is also called a kind of filter. It is a better dust removal equipment. During the operation process, it can collect dust substances in a centralized manner. The dust removal bag is an important storage installation and plays a key role in the entire equipment. The use of this installation is relatively convenient.

Due to the fact that the fabric and design of the dust removal equipment should be as good as possible, easy to remove dust and have a long-lasting effect, it directly affects the dust removal effect of the stainless steel dust collector. The new environmental protection technology dust removal bag, in which the cross-sectional shape formed by the combination of the inner frame and the outer frame makes the dust removal installation filter material and the inner frame and outer frame form an integral radial folding sealed cylinder structure. The usual applicable new type is a foldable dust removal installation with a simple structure and easy manufacturing.

Therefore, under the same dust removal treatment air volume, this type of folding dust removal installation increases the filtration area, so the volume of the dust collector is relatively small, saving the occupied space and reducing the manufacturing cost of the equipment. This bag dust collector has a high purification and dust removal effect as well as a good cleaning and backwashing effect.

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