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    PPS (polyphenylene sulfide) needle felt filter bag

    PPS (polyphenylene sulfide) needle felt filter bag

    PPS (polyphenylene sulfide) needle felt filter bag

    The dust facing surface layer of our PPS (polyphenylene sulfide) needle felt filter bag is made of PPS (polyphenylene sulfide) short fiber + PPS (polyphenylene sulfide) long fiber base cloth imported from Toray or Toyo spinning, which is produced by our mature needling technology and German dilo high-speed double needling equipment. PPS (polyphenylene sulfide) fiber imported from Toray or Toyo textile has good acid resistance, flexibility and cohesion, which can significantly improve the fastness and overall strength of the filter material. Unique post-treatment production process and unique "polytetrafluoroethylene (PTFE) mixed solution". For the post-treatment formula under different working conditions, the product is impregnated as a whole, and then after high-temperature sintering treatment, a layer of PTFE (polytetrafluoroethylene) thin film is wrapped on the fiber surface, which greatly improves the oxidation resistance, corrosion resistance, temperature resistance and dimensional stability of the filter material, enhances the hydrophobicity of the filter material and improves the filtration accuracy of the filter material, The service life of the filter material is prolonged.
    PPS (polyphenylene sulfide) filter bag product features are as follows:
    (1) Low energy consumption
    PPS (polyphenylene sulfide) needle felt filter bag is made of high-strength PPS (polyphenylene sulfide) filament with soft texture. Good jitter during ash removal, and the dust is easy to peel off; The required ash cleaning pressure is small and the ash cleaning times are few, which can effectively reduce the consumption of compressed air, reduce the amount of maintenance and save the operation cost.
    (2) High filtering precision
    PPS (polyphenylene sulfide) needle punched felt filter bag in order to ensure the filtering accuracy, our company selects PPS (polyphenylene sulfide) short fiber imported from Japan Dongli as the surface layer. The filter layer formed by PPS (polyphenylene sulfide) fiber after needle punching is more dense than the bottom filter layer. Compared with ordinary filter bags, it greatly improves the filtering accuracy and ensures lower dust emission standards. It can effectively capture PM10 (respirable dust) and PM2.5 (respirable dust). Therefore, the soot purification efficiency is high and stable, and it is easy to realize the emission standard of the system.
    (3) High operating temperature
    PPS (polyphenylene sulfide) fiber has excellent strength, rigidity and fatigue resistance at high temperature. It can be used continuously at high temperature of 160 ℃. It can maintain more than 90% strength at instantaneous 190 ℃ (within 400 hours a year) in hot autoclave of 160 ℃.
    (4) Good corrosion resistance
    PPS (polyphenylene sulfide) needle felt filter bag has outstanding corrosion resistance, and the whole filter bag is impregnated with PTFE (polytetrafluoroethylene) and other post-treatment, which can resist the erosion of various acids, alkalis and other corrosive substances, so that the base cloth of PPS needle felt filter bag will not be eroded.
    (5) Good water and oil repellency
    PPS (polyphenylene sulfide) needle felt filter bag has good water and oil repellency. Due to post-treatment such as PTFE (polytetrafluoroethylene) impregnation, the fiber surface is smooth and the friction coefficient is low, which eliminates the adsorption of water by the filter material and effectively reduces the hardening phenomenon after condensation.



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