Dust Removal Filter Bag+Dust Removal Skeleton: Collaborative and Selection Guide for Core Dust Removal Accessories
Aug 26,2025
In industrial dust removal systems, dust removal filter bags and dust removal skeletons are the two most critical dust removal accessories. The compatibility between the two directly determines the lifespan of the filter bags and the dust removal efficiency. Only when combined with other dust removal accessories such as dust removal valves and sealing rings can a stable and efficient dust removal system be formed. For overseas customers, choosing the right set of core dust removal accessories is the key to achieving environmental compliance and reducing cross-border operation and maintenance costs.
1、 Dust filter bag: the "filter core" in dust removal accessories
As a dust removal accessory that directly intercepts dust, the selection of dust removal filter bags should closely follow the "working conditions+standards":
1. Material adaptation conditions: Choose polyester filter bags at room temperature, suitable for Southeast Asian grain processing and European wood workshops; High temperature PPS filter bag selection, suitable for Middle Eastern cement plants and North American steel plants; PTFE filter bags are selected for strong corrosion conditions, which comply with the EU REACH material requirements for the chemical industry.
2. Performance determines efficiency: The membrane filter bag has a removal rate of 99.9% for 0.1 μ m fine dust, which can meet the ultra-low emissions of EPA ≤ 5mg/m ³ in the United States; Ordinary needle punched felt filter bags are suitable for coarse dust scenes, with higher cost-effectiveness, and are the preferred choice for small and medium-sized mines in Africa.
3. Cost associated with lifespan: High quality filter bags are treated with wear-resistant and hydrolysis resistant processes, extending their lifespan from 1 year to 2-3 years, reducing the hassle and cost of frequent replacement parts for overseas customers.
2、 Dust removal skeleton: the "filter bag guardian" in dust removal accessories
As the core dust removal accessory supporting the filter bag, the material and process of the dust removal skeleton directly affect the service life of the filter bag
1. Material selection as needed: Low carbon steel galvanized skeleton is used for normal temperature conditions, with low cost; Select 304 stainless steel skeleton for high temperature/high humidity scenarios, corrosion-resistant and rust proof, suitable for Nordic high humidity workshops and Australian mining; Upgraded 316L stainless steel for strong corrosion conditions, meeting the US FDA food grade standards.
2. Process damage prevention: The surface of the skeleton needs to be polished to avoid burrs and scratches on the filter bag coating; The top circular arc transition design reduces the wear of the filter bag mouth during dust cleaning. In the application of EU electronic factories, it can increase the service life of the filter bag by another 30%.
3. Accurate size matching: The skeleton diameter needs to be 1-2mm smaller than the filter bag, with reserved space for thermal shrinkage of the filter bag; The length is 5-10mm shorter than the filter bag to avoid breaking the bottom of the filter bag, which is a key detail to ensure the efficient operation of the filter bag.
Dust filter bags and dust removal skeletons are the "golden partners" of the dust removal accessory system. The precise selection and collaborative adaptation of the two can not only ensure the efficient operation of the dust removal system and meet global environmental standards, but also help overseas customers reduce long-term operation and maintenance costs.
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