Bag filter is a common industrial dust removal equipment widely used in various industries. This article will provide a detailed introduction to the working principle and advantages of bag filters, helping you better understand and choose dust removal equipment that suits your needs.
1、 Working principle
a. Filtering principle
The working principle of a bag filter is based on the filtration principle, which captures and separates particulate matter in the air through the bag filter material. When dusty gas passes through the bag, particulate matter is captured by the fiber mesh on the surface of the bag, while clean gas is discharged through the pores of the bag.
b. Ash cleaning principle
The cleaning principle of bag filter mainly includes two methods: mechanical vibration and pulse spraying. Mechanical vibration strikes the cloth bag through a mechanical device, causing the particles inside the bag to fall off; Pulse blowing is achieved by injecting compressed air onto a cloth bag, generating a shock wave that causes the particles to fall off.
a. Efficient dust removal capacity
The bag filter has a high dust removal efficiency, which can effectively capture small particles and make the discharged waste gas meet environmental standards. The selection of filter materials and the design of filter bags can also affect the dust removal effect, so it is necessary to choose according to actual needs when purchasing.
b. Atmospheric processing capacity
The bag filter has a large processing capacity and is suitable for gas treatment with high concentration and large air volume. Bag type dust collectors can be modular designed according to actual needs, improving processing capacity by increasing the number and area of bags.
c. Low energy consumption and maintenance costs
Compared to other dust removal equipment, bag filters have lower energy consumption. The choice of ash cleaning method also affects energy consumption, and pulse injection method is more energy-efficient than mechanical vibration method. In addition, the maintenance cost of the bag filter is also relatively low, and the replacement and cleaning of the bag are relatively simple.
d. Strong adaptability
Bag filter is suitable for various industries and processes, and can handle various types of particulate matter. According to different working conditions and particle characteristics, different materials and specifications of cloth bags can be selected to meet different needs.
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