Waste incineration is currently one of the most important application fields of PTFE film-coated filter materials.
The waste incineration process will inevitably produce a large amount of pollutants, which have the following characteristics: ① there are particulate matter, acidic gases, heavy metals and highly toxic organic pollutants in the flue gas; ② the flue gas has high moisture content, The dew point temperature is high and the filter is prone to condensation; ③ High and low temperature flue gases exist alternately; ④ The particulate matter produced by deacidification treatment easily absorbs moisture, causing difficulty in dust cleaning and pipe blockage; ⑤ The flue gas is highly corrosive.
The filter bag made of needle felt filter material with PTFE as the base fabric and P84 as the surface layer and coated with PTFE microporous membrane can achieve good results in the flue gas purification of waste incineration power plants.
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