High-Temperature Sintered Metal Fiber Bag Filter for Industrial Flue Gas Dedusting and Catalyst Recovery

Metal Fiber Bag Filter

CMI Metal Fiber Bag Filters represent a revolutionary advancement in industrial hot gas filtration, specifically engineered to exceed the limitations of conventional fabric bags. Constructed from premium sintered metal fiber felt (316L, 310S, or Inconel), these filter bags offer unparalleled thermal stability, reliably operating in extreme temperatures ranging from 450°C to 600°C.

Designed for high-efficiency dust removal, they achieve stringent emission levels of ≤ 10 mg/Nm³ while maintaining a low pressure drop and high air permeability. Their inherent electrical conductivity eliminates the risks associated with static electricity, and their robust welded construction ensures no media shedding or secondary contamination. Whether applied in metallurgical hot gas filtration, coal-fired boilers, or petrochemical catalyst recovery, CMI’s metal fiber bag filters provide a long-lasting, chemical-resistant, and pulse-jet compatible solution that significantly reduces system footprint and maintenance costs.

Category:
High-Temperature Sintered Metal Filter Bags for Hot Gas Filtration
CMI metal fiber bag filters are high-performance filtration elements manufactured from sintered metal fiber felt and supported by an internal cage structure for demanding industrial filtration applications.

Designed for high-temperature gas filtration, these filters provide excellent mechanical strength, low pressure drop, and stable long-term performance in demanding environments such as flue gas treatment, dust collection, and catalyst recovery systems.

They are widely used as a durable alternative to conventional fabric filter bags, especially in applications requiring high temperature resistance, chemical stability, and reliable pulse-jet cleaning performance.

Key Features & Benefits

High temperature resistance up to 450–600°C depending on material
High mechanical strength and abrasion resistance
Fine dust removal efficiency with emission ≤ 10 mg/Nm³
Low pressure drop with high air permeability
Compatible with pulse-jet cleaning and offline washing
Long service life with stable filtration performance
Electrically conductive to eliminate static electricity risks
No media shedding or secondary contamination
Compact system design with reduced footprint
Excellent resistance to chemical corrosion

Technical Specifications

Configurations

Standard Designs Cylindrical metal filter bags, pleated metal filter bags, and plate-frame structures
Custom Designs Customized structures available for special filtration systems

Dimensions

Diameter 14 – 200 mm
Length 500 – 8000 mm
Customization Custom sizes available

Materials

Stainless Steel 316L, 310S
High-Performance Alloys Inconel and Hastelloy
Filter Media Sintered metal fiber felt with welded construction

Connections

Available Connections Flange connection, threaded connection, or internal support cage structure

Operating Characteristics

Operating Temperature 400 – 600°C depending on material
Emission Level ≤ 10 mg/Nm³
Cleaning Methods Pulse-jet cleaning, reverse air cleaning, or offline washing

Typical Applications

  • Metallurgical industry hot gas filtration
  • Coal-fired boiler flue gas dedusting
  • Cement kiln exhaust gas purification
  • Alumina and mineral processing gas filtration
  • Catalyst recovery in petrochemical and refinery systems
  • Precious metal recovery processes
  • Waste incineration flue gas treatment
  • Industrial exhaust gas purification systems

Need a High-Temperature Metal Fiber Bag Filter?

Contact CMI for filter media selection, dimensions, and custom hot gas filtration solutions.

📩 Sales & Technical Support: sales@cmifiltration.com

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Our fabrication experts are ready to help you with custom-made filter housing and fabricated metal filter vessel solutions. Contact us with your specific requirements for a customized quote.

Our Services

Comprehensive filtration solutions from design to maintenance and support

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CMI offers replacement and cross reference filtration solutions compatible with major brands, providing reliable performance, cost efficiency, and flexible supply.

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CMI delivers complete filtration system integration and skid-mounted solutions with piping, valves, and instrumentation, designed for reliable industrial operation and easy installation.

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CMI provides filtration testing and validation support to ensure filtration performance, optimize system design, and reduce operational risks.

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CMI provides after-sales support and spare parts supply for filtration systems, ensuring reliable operation, reduced downtime, and long-term system performance.

Custom Engineering & OEM Fabrication

Custom engineering and OEM fabrication services for industrial filtration equipment, including filter housings, pressure vessels, and non-standard filtration systems.