Polyester needle felt filter works principle

Polyester needle felt filter media surface smoothness has a very big impact on the operation of the dynamic resistance of the filter. Filter initial resistance depends on the permeability of the filter itself, and the running resistance would be many times greater than the initial resistance. Running resistance depends polyester needle felt filter medium surface smoothness, cleaning effects. Polyester needle punched filter felt filter material to ensure equal filtration efficiency, the air permeability of the bigger the better, that is the resistance the lower the better, because it can save a lot of energy. In using a jet of cleaning dust filter bag at the same pressure at the same air volume airflow cleaning, the cleaning effect of the large selection of breathable woven bag when do better than use a small amount of a breathable woven fabric . Therefore, to ensure media reach higher filtering accuracy, how to improve air permeability polyester needle felt filter media and to improve the surface smoothness, reduce dust adhesion, reducing the running resistance is the filter plant should first study the subject .

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