Factors to consider when selecting dust removal equipment for asphalt mixing plants
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Factors to consider when selecting dust removal equipment for asphalt mixing plants
Release Time:2024-07-12
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Asphalt mixing plants will generate a lot of dust and harmful exhaust gas during construction. In order to reduce the harm caused by these pollutants, relevant dust removal equipment is generally configured for treatment. At present, two types of dust removal devices, consisting of cyclone dust collectors and bag dust collectors, are usually used to collect pollutants as much as possible to reduce pollution and meet the standards of environmental protection regulations.
However, in this process, the selected dust removal equipment must meet certain requirements. Especially for the selection of filter materials, because after a period of use of asphalt mixing plant equipment and machine bag dust collectors, the filter materials will be damaged due to some reasons and need to be repaired or replaced. Therefore, which filter material to choose is a question worth thinking about. The usual way is to choose according to the provisions and requirements of the equipment's instruction manual or maintenance manual, but it is still not ideal.
Factors to consider when selecting dust removal equipment for asphalt mixing plants_1Factors to consider when selecting dust removal equipment for asphalt mixing plants_2
Usually, there are many kinds of raw materials used for filter materials to meet different usage requirements. Different raw materials have different characteristics, and the application range or working environment they are suitable for are different. Therefore, the principle of selecting filter materials for asphalt mixing plants and bag dust collectors is: first, fully understand the physical and chemical properties of dust-containing gases discharged during the production process, and then carefully analyze the technical performance of different fibers before making a selection. When selecting filter materials, factors to be considered include: physical and chemical properties of dust-containing gases, including temperature, humidity, corrosiveness, flammability and explosiveness.
The properties of dust-containing gases under different conditions are different, and they will be affected by many factors. Rain boots gas also contains corrosive substances. In comparison, polytetrafluoroethylene fiber, known as the king of plastics, has very good properties, but it is expensive. Therefore, when selecting filter materials for asphalt mixing plants and bag dust collectors, it is necessary to grasp the main factors based on the chemical composition of dust-containing gases and select the appropriate materials.
In addition, the filter materials for asphalt mixing plants and bag dust collectors should be selected according to the size of dust particles. This requires focusing on the physical analysis of the dust, the material, structure and post-processing of the filter materials, and the selection should be combined with factors such as the shape and particle size distribution of the dust.