Dust bag manufacturer: Customized specifications and operating conditions for industrial dust bags
Jun 08,2026
Dust bag (dust filter bag) is the core filtering element of bag filter. The material specifications, size parameters, and process adaptability of the filter bag directly determine the dust removal efficiency, operational stability, and service life of the equipment. The differentiation of industrial working conditions makes it difficult for standardized filter bags to adapt to all production scenarios, so standardized and customized filter bag production has become mainstream.
1、 Customized core dimensions of industrial dust removal filter bags
The customized services provided by professional dust bag manufacturers mainly focus on precise matching of on-site working conditions and equipment parameters. The core customized content includes four dimensions and is also the core verification item for cross-border customized procurement.
1. Customization of size specifications
There is no unified universal size for filter bags, and they need to be customized according to the parameters of the dust collector equipment box and bag cage. The standard customization parameters include diameter, length, bag opening structure, and bag bottom style, which can be adapted to various types of bag dust collector models such as vertical, horizontal, and compartment pulse. It supports non-standard irregular size processing and meets the replacement and adaptation needs of various imported and domestic dust removal equipment.
2. Material and process customization
Customize filter material materials and surface processes based on flue gas temperature, humidity, corrosiveness, and dust characteristics, including ordinary raw materials, film covering, oil resistance, waterproofing, anti-static, acid and alkali resistance, high-temperature oxidation resistance, and other treatment processes, to avoid problems such as bag sticking, corrosion, damage, and reduced dust removal efficiency from the source.
3. Customization of structural accessories
Customized structures such as spring ring bag opening, expansion ring bag opening, sewing bag opening, etc. can be customized according to needs, with different specifications of sealing rings; The bag body adopts high-strength sewing technology, and can be equipped with wear-resistant reinforcement strips and thickened protective structures at the bottom, suitable for harsh operating conditions of high wear and high negative pressure.
4. Customization of performance parameters
According to project emission requirements and filtration wind speed, customize filter material weight, air permeability, filtration accuracy, and adapt to different environmental standards such as conventional dust, ultrafine PM2.5 dust, ultra-low emissions, etc.
2、 Mainstream customized dust filter bag materials and suitable working conditions
The significant differences in temperature resistance, corrosion resistance, and wear resistance of filter bags made of different materials are the core basis for customized selection, covering the vast majority of industrial dust removal scenarios.
1. Polyester ambient temperature filter bag (PET): Suitable for dry dust at room temperature below 130 ℃, with high cost-effectiveness and good breathability. It is widely used in common working conditions such as building materials, hardware, grain processing, stone crushing, etc. It is a universal customized filter bag.
2. Anti static polyester filter bag: Adding anti-static technology on the basis of ordinary polyester material, specially adapted to flammable and explosive dust conditions such as sawdust, starch, plastic, aluminum powder, etc., to eliminate safety hazards caused by static electricity.
3. PPS acid and alkali resistant filter bag: It can withstand temperatures up to 160 ℃ and has excellent acid, alkali, and hydrolysis resistance. It is suitable for wet and corrosive conditions such as thermal power, garbage incineration, and flue gas after desulfurization.
4. PTFE coated filter bag: The material is extremely inert, corrosion-resistant, non stick to dust, easy to clean, and has extremely high filtration accuracy. It can intercept ultrafine dust and is suitable for ultra-low emission, high corrosion, and high viscosity dust working conditions, with a longer service life.
5. Fiberglass high-temperature filter bag: With a temperature resistance of up to 280 ℃ and stable high-temperature performance, it is suitable for ultra-high temperature flue gas dust removal scenarios such as cement kilns and metallurgical kilns.
3、 Standardized customized production process
The customized process of regular dust bag manufacturers is standardized and unified, ensuring accurate matching of filter bags with equipment and working conditions, and adapting to batch export and customized order requirements:
1. Confirmation of operating parameters: Verify the flue gas temperature, medium composition, dust characteristics, equipment size, and local emission standards;
2. Material and process selection: Match the corresponding filter material, surface treatment process, and structural scheme according to the working conditions;
3. Precise size processing: Cut and sew according to the parameters of the equipment bag cage and flower board, and match the installation structure of the equipment;
4. Quality inspection before leaving the factory: check the weight, air permeability, tensile strength, and sealing of the filter material to eliminate defective products;
5. Standardized packaging and shipping: Suitable for cross-border transportation packaging to prevent wear and moisture during transportation.
4、 Precautions for customized procurement in foreign trade
1. Refuse universal adaptation: Different countries and production lines have significant differences in operating conditions, and universal filter bags are prone to blockage, damage, and excessive emissions. Priority should be given to customizing operating conditions.
2. Lock in core parameters: Clearly define key parameters such as size, temperature resistance, material, process, and filtration accuracy during procurement to ensure universal replacement.
3. Adapt to operation and maintenance needs: Batch customization can provide unified specifications, facilitating equipment maintenance and spare parts replacement in the later stage, and reducing long-term operation and maintenance costs.
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