An FRP dust removal tower, also referred to as a fiberglass reinforced plastic wet scrubber or packed bed adsorption tower, is a high-efficiency air pollution control device for removing particulate matter from industrial flue gas streams. Unlike carbon steel towers that require rubber or epoxy lining to resist corrosion, our FRP dust removal tower is fabricated entirely from corrosion-resistant vinyl ester or isophthalic polyester resin, reinforced with E-glass or C-glass fiber. The monolithic construction—no welds, no linings—eliminates weak points where acid dew point corrosion would destroy metal scrubbers within months.
We offer three internal configurations to match your dust characteristics: packed bed towers (for sub-micron dust + soluble gas removal), venturi scrubbers (for high inlet dust loading up to 20g/Nm³), and spray towers (for coarse dust with sticky or fibrous particulate). Each tower includes integrated demister pads (mesh or chevron type) to limit outlet moisture carryover to below 50mg/Nm³. Typical removal efficiencies reach 99.5% for particles >3 microns, and 90-95% for 0.5-1 micron fume. Manufactured in diameters from 0.8m to 4.0m, with single-tower airflow capacity from 3,000 to 120,000 m³/h. Our engineers provide full design—including nozzle layout, pressure drop calculation, and pump sizing—based on your inlet dust concentration and gas composition.
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Product Advantages
Built-in Corrosion Resistance – No Linings Required
Carbon steel towers rely on rubber, brick, or epoxy linings that crack, blister, or delaminate over time, especially at flue gas temperatures fluctuating across the acid dew point. Our FRP tower uses corrosion-grade resin throughout the full wall thickness. The result: zero lining replacement downtime, zero acid breakthrough. Suitable for HCl, SO₂, HF, H₂SO₄ mist, and alkaline slurries (NaOH, Ca(OH)₂).
Lightweight & Easier Installation
FRP has approximately 1/5 the density of carbon steel and 1/10 that of stainless steel. A 2.4m diameter x 8m tall FRP tower weighs roughly 1,800 kg versus 9,000 kg for steel. You save on crane costs, foundation reinforcement, and installation time. Modular flanged sections allow access through standard doorways for retrofit projects.
Wide Internal Configuration Options
– Packed bed: High surface area (Teller roses, pall rings, or cascade mini-rings) for fine dust plus acid gas removal in one tower.
– Venturi: Adjustable throat for high-load applications (cement kilns, biomass boilers, foundry shakeout).
– Spray tower: Low pressure drop (300–600 Pa) for sticky dust that would foul packing media.
Low Maintenance & Long Service Life
Smooth internal surface prevents dust buildup and scale formation. No welding seams to crack under thermal cycling. Expected service life of 15+ years in moderate acidic conditions, 10+ years in severe chemical environments (pH 2–12, 90°C continuous).
Integrated Demister + Wash System
Includes a roof-mounted spray nozzle array to clean the demister pads online (without shutdown). Optional automatic drain valve removes settled slurry from the conical hopper bottom.
Application Scenarios
Chemical and Pharmaceutical Industries
In the chemical and pharmaceutical industries, strong corrosive and toxic gases such as hydrogen chloride, ammonia, and hydrogen sulfide are often emitted during production. FRP scrubbers, with their outstanding corrosion resistance, can safely and efficiently treat these waste gases, preventing rapid corrosion of equipment and ensuring that the emissions from processes such as chemical plants, chlor-alkali plants, compound fertilizer production lines, and medical waste incineration meet environmental standards. They are core equipment for ensuring production safety and environmental compliance.
Metal Processing and Surface Treatment Industry
In the metal processing and surface treatment industry, processes such as steel pickling, electroplating, electrolysis, and battery manufacturing generate large amounts of highly acidic waste gases like sulfuric acid mist, chromic acid mist, and nitrogen oxides. FRP scrubbers can stably neutralize these extremely corrosive acid mists, preventing damage to metal equipment, while safeguarding the health of operators and the environment. They are the standard configuration for waste gas purification in this field.
Electronics and Semiconductor Industry
In the electronics and semiconductor industry, during the precision manufacturing processes of semiconductors, electronic components, and other products, specific acid-base waste gases and volatile organic compounds are produced. FRP materials do not introduce metal ions or other contaminants, ensuring the purity of the treatment process. At the same time, they can effectively neutralize waste gases, meeting the strict requirements of the electronics industry for production environments and waste gas treatment.
Environmental Protection and Public Utilities Field
In places such as sewage treatment plants, garbage transfer stations, or medical/dangerous waste incineration plants, the main issues to be addressed are malodorous gases (such as hydrogen sulfide) and acidic gases produced during incineration (such as hydrogen chloride and sulfur dioxide). FRP scrubbers are corrosion-resistant and can withstand outdoor environments (resistant to ultraviolet rays and heat insulation), ensuring long-term stable operation and effectively removing odors and harmful components. They are commonly used in municipal environmental protection projects.
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Telf.: +86 189 3266 2725
Correo electrónico: venta@hbfortis.com
Agregar.: No.8-1, calle Zhenxing, ciudad de Matun, condado de Zaoqiang, ciudad de Hengshui, provincia de Hebei
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