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As the core component of industrial dust removal systems, the dust filter bag is crafted from high-performance materials like polyester or fiberglass. It is designed to capture and separate dust particles from industrial exhaust gases, effectively purifying air emissions. Widely applied in woodworking, painting, metallurgy and other dust-intensive industries, it features high filtration efficiency, good temperature and wear resistance. It not only ensures compliance with environmental standards but also extends the service life of dust removal equipment
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Heat-Resistant Dust Filter Bag is a high-performance filtration product engineered specifically for high-temperature flue gas purification, addressing the critical need for reliable dust removal in extreme industrial environments. As a modern technology enterprise integrating R&D, production, and service, Botou Xintian Environmental Protection Equipment Co., Ltd. develops these filter bags to meet the stringent requirements of B-end clients in steel, power, and chemical industries, where high temperatures, corrosive gases, and fine dust particles pose significant challenges.
Our High-Temp Filter Bags for Flue Gas Purification combine advanced fiber materials with precision weaving and post-treatment processes, delivering exceptional heat resistance, filtration efficiency, and durability. By capturing submicron dust particles while withstanding extreme temperatures, these filter bags ensure compliance with environmental regulations and protect downstream equipment from abrasion and clogging.
Crafted from premium heat-resistant fibers (including glass fiber, PTFE, and PPS), our filter bags maintain structural integrity and filtration performance in temperatures ranging from 120℃ to 280℃ (special grades up to 350℃). The fibers undergo high-temperature stabilization treatment, preventing shrinkage or degradation even in long-term exposure to hot flue gas—outperforming standard filter bags in high-heat applications.
The microporous structure of the filter media, combined with a proprietary surface treatment (such as PTFE membrane coating), achieves a filtration efficiency of over 99.9% for particles as small as 0.1μm. The smooth surface coating minimizes dust adhesion, enabling efficient pulse cleaning and reducing pressure drop across the filter bag. This translates to lower energy consumption and extended service life for B-end clients.
Designed to withstand corrosive flue gas components (including sulfur oxides, nitrogen oxides, and acidic/alkaline vapors), the filter media resists chemical degradation and maintains performance in harsh industrial environments. The robust weaving structure enhances abrasion resistance, making the bags suitable for applications with high dust loading and abrasive particles—reducing replacement frequency and maintenance costs.
Parameter | Specification |
Filter Media | Glass fiber, PTFE, PPS, P84 (customizable) |
Operating Temperature Range | 120℃-280℃ (standard); 300℃-350℃ (high-temperature grade) |
Filtration Precision | ≥99.9% (for 0.1μm particles) |
Media Thickness | 0.8-1.5 mm (customizable) |
Length Range | 1000-6000 mm (customizable) |
Diameter Range | 120-300 mm (customizable) |
Working Pressure | -5 kPa to +3 kPa |
Surface Treatment | PTFE membrane coating, Calendering, Singeing |
Service Life | 12-36 months (depending on operating conditions) |
Perfect for dust removal in blast furnaces, converters, and electric arc furnaces, where flue gas temperatures often exceed 200℃. The heat-resistant filter bags efficiently capture iron oxide dust and other pollutants, ensuring compliance with environmental standards while protecting downstream dust collection equipment.
Widely used in coal-fired power plants, biomass power plants, and waste-to-energy facilities to filter high-temperature flue gas from boilers. The filter bags handle large air volumes and high dust concentrations, maintaining stable filtration performance and reducing energy consumption for fan operation.
Suitable for dust control in catalytic cracking units, incinerators, and chemical reactors, where flue gas contains corrosive substances and high temperatures. The chemical-resistant filter media prevents degradation, ensuring reliable operation and minimizing downtime for maintenance.
Ideal for purifying flue gas from municipal solid waste and industrial waste incineration, capturing toxic dust particles and heavy metals at high temperatures. The filter bags meet strict emission standards, contributing to environmental protection and public health.
To meet the unique needs of B-end clients across industries, our Heat-Resistant Dust Filter Bags offer tailored solutions:
Material Customization: Select filter media (glass fiber, PTFE, PPS, etc.) based on specific temperature, chemical composition, and dust properties.
Dimension Tailoring: Customize length, diameter, and seam design to fit different baghouse models and filter cage configurations.
Surface Treatment Options: Choose from PTFE membrane coating, singeing, or calendering to optimize filtration efficiency and dust release performance.
Interface Design: Customize bag tops (flange, snap-on, or elastic ring) and bottoms (closed or open) for seamless integration with existing dust collection systems.
Our technical team conducts in-depth consultations to understand client operating conditions, providing customized recommendations and performance testing to ensure optimal product fit.
Specialized R&D Capabilities: Our team focuses on flexible intelligent welding and filtration technology, continuously innovating filter bag materials and structures to meet evolving industry needs.
Strict Quality Control: Each filter bag undergoes rigorous testing (including temperature resistance, filtration efficiency, and tensile strength) to ensure compliance with international standards and client requirements.
Comprehensive After-Sales Support: We offer technical guidance for installation, operation, and maintenance, as well as prompt replacement services to minimize downtime for clients.
Lean Manufacturing & Cost Efficiency: Leveraging 4000㎡ production facilities and advanced processing equipment, we optimize production workflows to deliver high-quality products at competitive prices.
Global Service Network: With WhatsApp, phone, and email support, we provide timely communication and logistics solutions for international clients, ensuring smooth order fulfillment and delivery.
