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[Chemical Knowledge]：Working principle of pulse bag filter

Read： 317 Time：13months ago Source：Transform the World with Simplicity

Pulse bag filter is a kind of air purification equipment widely used in industrial field. It separates the dust particles from the air by filtering the dust particles in the air flow, so as to achieve the purpose of purifying the air. Compared with other types of dust removal equipment, pulse bag filter has the advantages of small footprint, high dust removal efficiency and convenient dust removal. Below, we will introduce the working principle of the pulse bag filter. The working principle of

pulse bag filter is to use pulse jet technology to clean the bag filter. Specifically, the pulse bag filter is composed of a filter chamber, a fan, a clean air chamber, a pretreatment device and a control system. A large number of bag filters are arranged in the filter chamber, and the dust particles can be removed when the airflow passes through the filter. In the process of dust removal, due to the accumulation of dust particles on the surface of the filter, the resistance of the gas channel is increasing, resulting in the reduction of dust removal efficiency. Therefore, it is necessary to remove the dust particles on the filter by pulse blowing technology.

pulse injection technology refers to the use of compressed air under certain pressure conditions, the instantaneous discharge of a certain amount of gas, to achieve the purpose of cleaning the filter. Specifically, when the dust particles on the surface of the bag filter reach a certain thickness, the control system will send out a dust removal instruction to open the air source valve to make compressed air enter the air bag, and the gas in the air bag will be discharged quickly. The pulse air flow formed will enter the upper part of the designated bag filter through the air flow valve to blow the surface of the bag filter in a short time and with high intensity. The dust particles on the surface of the bag filter will be discharged out of the filter chamber after being washed by the pulse air flow. In the process of cleaning ash, it is necessary to ensure that each bag is cleaned evenly to avoid the situation that the bag is blocked due to untimely or uneven cleaning.

In general, the working principle of pulse bag filter is to use pulse jet technology to clean the bag filter, so as to achieve the purpose of dust removal. Its advantages of high dust removal efficiency, convenient dust removal and small footprint have been widely used. With the improvement of industrial development on air purification requirements, the application prospect of pulse bag filter in the future will be more broad.

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