Dust Collector PTFE Filter Bag For Thermal Power Plant

Dust collector PTFE filter bags are critical components in thermal power plants, designed to handle high temperatures and harsh operating conditions. These filter bags help in maintaining air quality by capturing fine particulate matter generated during coal combustion. Here’s an introduction to these essential components, including their key features, typical specifications, and applications.


PTFE (Polytetrafluoroethylene) filter bags are used in thermal power plants to manage and control dust emissions. These filter bags are known for their exceptional chemical resistance, high-temperature endurance, and efficient dust capture capabilities. They play a vital role in ensuring environmental compliance and operational efficiency in power generation facilities.

Key Features

  • High Filtration Efficiency: PTFE filter bags can capture very fine particles, ensuring clean air output.
  • Temperature Resistance: Capable of withstanding continuous temperatures up to 240°C and peak temperatures up to 260°C.
  • Chemical Resistance: Excellent resistance to acids, alkalis, and other corrosive substances found in flue gases.
  • Durability: Strong wear resistance and long operational life even in harsh environments.
  • Easy Maintenance: Smooth surface for easy cleaning and dust release.

Typical Specifications

Material100% PTFE Needle Felt
Weight750 – 1000 g/m²
Thickness0.8 – 1.2 mm
Air Permeability8 – 20 m³/m².min
Continuous Temperature240°C
Peak Temperature260°C
Chemical ResistanceExcellent
FinishPTFE impregnation, heat setting
ApplicationsCoal-fired boilers, waste incineration, chemical processing, smelting


PTFE filter bags are widely used in:

  • Coal-fired Boilers: Capturing fine ash and particulate matter.
  • Waste Incineration: Managing emissions from waste-to-energy processes.
  • Chemical Processing: Filtering harmful substances in flue gases.
  • Smelting: Controlling dust in metal extraction processes.


In conclusion, PTFE filter bags are indispensable for maintaining air quality and ensuring regulatory compliance in thermal power plants. Their high filtration efficiency, durability, and resistance to high temperatures and chemicals make them ideal for demanding industrial environments. For more detailed information and assistance in selecting the appropriate filter bags, please contact our technical support team.

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