Dust collector filter bags are essential components in industrial filtration systems, especially in steel plants, where dust and particulate matter are a major concern. These filters are used to capture the fine particles generated during various processes like smelting, rolling, forging, and sintering. The purpose of these filter bags is to maintain air quality, reduce emissions, comply with environmental regulations, and improve the working conditions inside steel plants.


Common Filter Bags for Steel Plants

  • Polyprolene Needle Felt.
  • Acrylic Needle Felt.
  • Polyester Needle Felt.
  • PPS Needle Felt.
  • Aramid Needle Felt.
  • P84 Needle Felt.
  • PTFE Needle Felt.
  • Fiberglass Needle Felt.
  • Woven Fiberglass Filter Cloth.

Description

 Key Requirements for Steel Plant Filter Bags

Filter bags used in steel plants must meet stringent performance standards to handle the high levels of dust, temperature, and chemical exposure common in these industrial environments. Below is an outline of the key performance parameters for filter bags in steel plants

  • High Temperature Resistance

Steel plants operate at high temperatures, and filter bags must withstand these extreme conditions.

  • Chemical Resistance

Steel production involves a variety of chemicals, such as sulfur dioxide, carbon monoxide, and acid gases. Filter bags must be resistant to these corrosive substances.

  • Durability and Strength

Steel production generates a lot of dust and particulate matter, which can be abrasive. Filter bags need to be made of durable materials to resist wear and tear.

  • High Filtration Efficiency

Steel plant filter bags must effectively capture fine particles (as small as 1 micron or less) to meet environmental standards. This is critical for both air pollution control and maintaining the quality of exhaust gases discharged into the atmosphere.

  • Easy to Clean

Steel plants are often cleaned using technologies such as pulse jet cleaning or reverse air cleaning. Filter bags should be designed to facilitate the removal of accumulated dust.


Media Materials & Performance

Material Working
Temperature
Instant Temperature Abrasion Resistance Hydrolysis Resistance Acid Resistance Alkali Resistance Oxidation
Resistance
Polyprolene Needle Felt 90℃ 110℃ Good Excellent Excellent Excellent Middle
Acrylic Needle Felt 120℃ 130℃ Middle Good Good Middle Good
Polyester Needle Felt 130℃ 150℃ Excellent Poor Middle Fair Good
PPS Needle Felt 180℃ 200℃ Good Excellent Excellent Excellent Fair
Aramid Needle Felt 204℃ 220℃ Good Middle Middle Good Middle
P84 Needle Felt 240℃ 260℃ Good Middle Middle Middle Good
PTFE Needle felt 250℃ 280℃ Good Excellent Excellent Excellent Excellent
Fiberglass Needle Felt 250℃ 280℃ Fair Good Middle Fair Good
Woven Fiberglass Filter Cloth 260℃ 280℃ Good Good Good Good Good

Filmedia® – Expert in Dust Filtration Solutions

Filmedia® works with many steel brands in the world and provides efficient and reliable dust filter bags and filtration solutions to global steel manufacturers with its many years of experience in the filtration industry. Our products are widely used in various steel production links, including high temperature and high dust concentration environments such as blast furnaces, sintering plants, steel electric arc furnaces (EAF) and coke ovens. The customized filtration solutions we provide can effectively respond to various process requirements, ensuring that steel plants meet environmental standards while improving production efficiency. Filmedia® has become a recognized high-quality filtration solution provider in the industry, committed to promoting the green and sustainable development of the steel industry.

Filmedia® filter bags made of high-performance materials such as advanced needle felt, glass fiber and PTFE coating. They have excellent high temperature resistance, corrosion resistance, wear resistance and other characteristics, and can withstand the special working environment of the steel industry. Whether facing the challenges of extreme temperatures, acid and alkali gases or high dust concentrations, our filtration solutions can provide customers with the best performance and cost-effectiveness.