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    PPS (polyphenylene sulfide) + PTFE (polytetrafluoroethylene) composite needle felt filter bag

    PPS (polyphenylene sulfide) + PTFE (polytetrafluoroethylene) composite needle felt filter bag

        PPS (polyphenylene sulfide) + PTFE (polytetrafluoroethylene) composite needle felt filter bag

    PTFE (polytetrafluoroethylene) fiber and PPS (polyphenylene sulfide) fiber produced by Toray of Japan are used as raw materials of filter materials. The mature needling process of our company and Germany dilo needling equipment are used to produce filter bags that meet the requirements of working conditions. In addition to the effective PTFE (polytetrafluoroethylene) lotion post-treatment technology, most fiber surfaces are protected by nano coating, The oxidation and corrosion possibility of PPS (polyphenylene sulfide) is greatly reduced, and the corrosion resistance, temperature resistance and dimensional stability of filter material are greatly improved; Enhance the hydrophobicity of the filter material, improve the filtration accuracy of the filter material and prolong the service life of the filter material. Moreover, a qualitative breakthrough has been achieved in the filtration accuracy, which is easy to meet the emission requirements under working conditions.
    Product features
    The performance indicators of filter bag products are extremely prominent, and the main features can be summarized as "one low, two high and three good". The details are as follows:
    (1) Low energy consumption
    The filter material base cloth is made of high-strength PTFE (polytetrafluoroethylene) 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) / PTFE (polytetrafluoroethylene) composite needle felt filter material in order to ensure the filtering accuracy, our company takes the filter material 50% PPS (polyphenylene sulfide) + 50% PTFE (polytetrafluoroethylene) blended fiber as the surface layer, and the surface filter layer formed by impregnating the blended fiber with PTFE (polytetrafluoroethylene) is more dense than the ordinary PPS (polyphenylene sulfide) filter material, which is compared with the ordinary PPS (polyphenylene sulfide) filter material, The filtering accuracy is greatly improved and the dust emission standard is lower. 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.
    In the process of processing and sewing the filter bag, the needle hole of the bag body is treated with special high-temperature silica gel, which further prevents the risk of ultra-fine dust escaping from the needle hole and perfectly realizes flue gas filtration ≤ 10mg / nm 3 Emission standards.
    (3) High operating temperature
    PPS (polyphenylene sulfide) fiber + PTFE (polytetrafluoroethylene) fiber has excellent strength, rigidity and fatigue resistance at high temperature. It can operate at 160 ℃ and maintain more than 90% strength at 190 ℃ autoclave.
    (4) Good corrosion resistance
    PPS (polyphenylene sulfide) / PTFE (polytetrafluoroethylene) composite needle felt filter bag has outstanding corrosion resistance, and the filter material can resist the erosion of various acids, alkalis and other corrosive substances after PTFE (polytetrafluoroethylene) impregnation treatment. The base cloth of PPS Composite needle felt filter bag will not be eroded in use.
    (5) Good water and oil repellency
    PPS (polyphenylene sulfide) /ptfe (polytetrafluoroethylene) composite filter material is impregnated with PTFE (polytetrafluoroethylene) to enhance the hydrophobicity of the filter material. Because PTFE (polytetrafluoroethylene) lotion impregnation makes the surface of the filter material smooth and the friction coefficient low, it eliminates the adsorption of the filter material to water and effectively reduces the hardening phenomenon after condensation. Therefore, the filter material has good water and oil repellency and anti condensation function.
    (6) Good applicable conditions
    The composite needle felt filter material made of PTFE (polytetrafluoroethylene) base cloth + PPS (polyphenylene sulfide) fiber + PTFE (polytetrafluoroethylene) fiber has excellent physical and chemical properties. The performance of PPS (polyphenylene sulfide) composite needle felt filter bag can better meet the requirements of various working conditions.

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