Polyimide Filter Cloth

The high temperature resistant needle felt filter felt produced by our factory is made of polyimide fiber. Polyimide fiber is a kind of flame retardant, temperature-resistant fiber filter material with good alkali resistance; general wear resistance; and good filtration efficiency.
Filtration performance: can be used continuously below 260 °C, instantaneous 280 °C. The Polyimide filter cloth has the following three distinctive features:
1. Significant temperature resistance: The operating temperature is 260 ° C, but there is a safe space to cope with downtime and accidents.
2. Good chemical resistance: The filtration value of Polyimide filter cloth for acid waste gas has been confirmed in the waste incineration operation in the past ten years.
3. low backwash pressure and high elastic desilting cake efficiency: its characteristics are significantly due to the fineness of the fiber itself, but also due to the irregular fiber cross section to increase the fiber surface area to the maximum and provide a lot of tiny pores to the surface filtration The effect is better than depth filtering. The dust only stays on the surface of the filter mat and cannot penetrate into the filter mat. Therefore, the backwashing pressure is small and the filter cake bombing efficiency is remarkably improved, and the fine fine particle collecting efficiency is excellent and the working pressure difference is small. Application: Polyimide filter cloth has obtained rich application experience in gypsum factory, cement factory, garbage incinerator, liquid fluidized bed boiler, coal-fired boiler and other working conditions.
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