Baghouse Filter for Biomass Boiler Flue Gas

The Challenge — Why Standard Collectors Fail on Biomass

Biomass boilers burn fuels like wood chips, straw, rice husk, or pellets, producing flue gas with high humidity (up to 40%), tarry substances, and fine alkaline ash. Conventional dust collectors or untreated bag filters quickly encounter:

• Bag clogging (blinding) – sticky dust adheres to filter media, leading to high pressure drop.
• Corrosion & condensation – acidic gases (SO₂, HCl) combined with moisture attack housing and bags.
• Frequent maintenance & downtime – short bag life, unplanned shutdowns, rising operating costs.
• Safety risks – smoldering embers or static discharge may cause fire or explosion in the dust collector.

Without a biomass-specific design, emission compliance becomes uncertain, and total cost of ownership soars. Plant operators need a dedicated baghouse solution that handles these aggressive conditions while maintaining continuous production.

Our Solution — Engineered Baghouse for Biomass-Specific Conditions

Our biomass boiler flue gas bag filter integrates proven technologies to overcome sticky dust, humidity, and temperature variations. Every component is selected to guarantee stable operation, low emissions, and extended filter life.

✔ Advanced Filter Media & Anti-Stick Technology

We use PTFE membrane laminated on PPS or P84 substrate, offering hydrolysis resistance, oil repellency, and smooth surface release. This prevents tar adhesion and bag blinding, even under high humidity. Available with anti-static finish for additional safety.

✔ Thermal & Anti-Corrosion Housing

The baghouse body is fully insulated and equipped with anti-corrosion coating (epoxy or stainless steel lining on request). Heating elements or steam tracing avoid acid dew point corrosion. Flue gas temperature is kept above dew point, eliminating condensation.

✔ Optimized Pulse-Jet Cleaning for Sticky Dust

High-pressure reverse pulse cleaning with smart controller adjusts frequency based on differential pressure. Special venturi and blowpipe design ensure thorough cleaning without over-agitation. Result: consistent low pressure drop & minimized compressed air usage.

✔ Integrated Safety Systems

Spark arrestor, temperature sensors, and explosion venting panels are standard for biomass applications. Anti-static bag cages and grounding prevent electrostatic buildup. Our design meets ATEX / NFPA standards where required, giving you peace of mind.

Why Choose Us — Proven Performance. Lower TCO. Peace of Mind.

Our biomass baghouse filters are not “off-the-shelf” units; they are tailored to your fuel type, moisture level, and local emission limits. Hundreds of references across Europe, Asia and Americas confirm outstanding reliability.

Measurable Client Outcomes

• Guaranteed outlet dust concentration ≤10 mg/Nm³ — compliant with stringent environmental permits.
• Reduced maintenance frequency by 55% compared to standard bag filters (field data from 12–35 t/h biomass plants).
• Filter bag lifespan extended from 8 months to over 24 months in high-tar applications (rice husk & straw).
• Energy savings: optimized pulse cleaning cuts compressed air consumption by 30%.

Flexible Configuration & Support

From online/offline cleaning modes to modular designs for easy shipment, we provide full technical support: sizing calculation, CFD flow simulation, and on-site commissioning. Quick spare parts availability ensures minimal downtime.

Our baghouse integrates seamlessly with existing ID fans, ash conveying systems, and plant control via PLC/SCADA. Optional features: rotary valve, screw conveyor, or high-temperature bypass duct.