Selecting the right dust collector for high temperature conditions: resistance to 260 ℃+practical application effect of PPS filter bag
Sep 01,2025
The flue gas temperature under high temperature conditions often reaches 200-260 ℃, and ordinary filter bags are prone to softening and damage, leading to dust collector shutdown and excessive emissions. The dust collector equipped with a 260 ℃ resistant PPS filter bag can accurately solve the dual needs of "high temperature tolerance+efficient dust removal", becoming the core choice for overseas high-temperature factories.
1、 The core advantage of PPS filter bag: the "hard power" that adapts to high temperature working conditions
Resistant to 260 ℃+PPS filter bag, it has become a "key accessory" for high-temperature dust removal due to its material characteristics. Its core advantages are concentrated in three points:
1. Ultra high temperature tolerance: Long term temperature tolerance of 200-260 ℃, short-term peak temperature tolerance of 280 ℃, will not soften or shrink due to high temperature, avoiding dust leakage caused by filter bag damage;
2. Corrosion and acid resistance: It has strong resistance to corrosive gases such as SO ₂ and H ₂ S in high-temperature flue gas, and has a corrosion resistance life twice as long as ordinary filter bags. It is suitable for corrosive working conditions such as chemical and waste incineration;
3. Efficient dust removal: After surface coating treatment, the removal rate of fine dust above 0.1 μ m reaches 99.9%, and the emission concentration is ≤ 5mg/m ³, easily passing the EU CE and US EPA ultra-low standards.
2、 Practical application case: "Compliance effect" of three types of high-temperature factories
1. Middle East Steel Plant (sintering section, temperature 220-250 ℃)
Pain point: Traditional polyester filter bags are damaged due to high temperatures within three months, resulting in a monthly shutdown and replacement cost of over 12000 US dollars. The emission concentration often exceeds 30mg/m ³;
Solution: Replace with 260 ℃ resistant PPS filter bag+pulse bag dust collector;
Effect: The lifespan of the filter bag has been extended to 18 months, the annual replacement cost has been reduced by 70%, and the emission concentration has remained stable at 8mg/m ³, meeting the requirements of the Saudi Arabian Ministry of Environmental Protection and avoiding fines of $20000 per violation.
2. European cement plants (clinker cooler, temperature 240-260 ℃)
Pain points: High temperature flue gas contains alkaline dust, ordinary filter bags are prone to condensation and blockage, fan resistance surges, and energy consumption increases by 15%;
Solution: PPS filter bag+anti condensation insulation shell;
Effect: The filter bag has no condensation blockage, the fan resistance is stable at 1000Pa (formerly 1800Pa), the annual power saving exceeds 30000 kWh, the emission concentration is ≤ 10mg/m ³, which meets the requirements of the EU "Green Factory" certification and helps enterprises obtain government energy-saving subsidies.
3. Southeast Asian chemical plants (reaction kettle flue gas, temperature 200-230 ℃, containing SO ₂)
Pain point: Ordinary filter bags are corroded and damaged within 6 months, causing dust leakage and product contamination, resulting in the return of export orders to the European Union;
Solution: Corrosion resistant PPS filter bag+316L stainless steel dust collector housing;
Effect: The filter bag has a lifespan of 24 months and an emission concentration of ≤ 6mg/m ³. It has passed the EU REACH material certification and the order delivery rate has increased from 70% to 100%.
3、 Foreign Trade Adaptation: Global Design of PPS Filter Bag Dust Collector
There are significant differences in operating conditions among overseas high-temperature factories, and PPS filter bag dust collectors need to be specifically adapted to ensure immediate use upon landing
1. Regional working condition adaptation:
Middle East high dust scenario: PPS filter bag with "pre filtration layer" to reduce dust wear and extend service life;
Nordic high humidity scenario: dust collector with dehumidification device to prevent PPS filter bag from getting damp and condensing;
2. Compliance adaptation:
EU market: with CE and ATEX explosion-proof certification (if required);
North American market: Complies with EPA Title V emission standards and provides third-party testing reports;
3. Operation and maintenance adaptation:
The filter bag supports single replacement without the need for complete machine shutdown. Overseas workers can operate it through a multilingual manual, reducing on-site service costs.
4、 Summary: Choosing the right filter bag for high temperature conditions="meeting standards+reducing costs"
For high-temperature factories, choosing a dust collector equipped with a 260 ℃ resistant PPS filter bag can not only solve the pain points of "high temperature filter bag vulnerability and excessive emissions", but also save costs by extending the service life of the filter bag and reducing energy consumption. For foreign trade enterprises, such equipment meets the compliance needs of the global high-temperature industry and is the "core chip" to open up the high-temperature factory markets in the Middle East, Europe, and Southeast Asia.
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