Axial Flow Anti-corrosion Blower

Large chemical plant buildings, sludge treatment workshops of wastewater treatment plants, battery production workshops - these locations have large spaces and high corrosive gas concentrations, requiring not small-flow high-pressure process conveyance but large-area, high-airflow general ventilation to rapidly dilute and expel harmful gases, ensuring operator safety. Centrifugal corrosion-resistant fans have high pressure but relatively limited airflow, while our factory's Axial flow anti-corrosion blower adopts an axial structure capable of conveying large volumes of air at lower energy consumption, with all components contacting corrosive media treated for corrosion resistance - the ideal equipment for general ventilation in large-area corrosive environments.

The Axial flow anti-corrosion blower is implemented through two main approaches. One is an all-plastic structure using FRP or PP injection-molded casings, impellers, and guide shrouds, achieving overall chemical inertness - completely eliminating the need for metal protective coatings and concerns about rust damage. The other is heavy anti-corrosion coating treatment on a metal substrate, such as epoxy resin, polyurea, or PTFE (Teflon) spraying, suitable for larger fans requiring higher structural strength. Impellers are usually molded FRP or nickel-plated aluminum alloy, ensuring both strength and corrosion resistance. Motors are corrosion-resistant or totally enclosed type with special anti-corrosion coating treatment and IP55+ protection. Fans are often designed for easy wash-down cleaning to prevent corrosive dust accumulation on surfaces. Every Axial flow anti-corrosion blower from our factory undergoes dynamic balancing, insulation testing, and no-load running testing before shipping, ensuring long-term reliable operation in corrosive environments. In the sludge treatment workshop of a large wastewater treatment plant, air is filled with moist air containing corrosive substances such as hydrogen sulfide and ammonia, which corrode ordinary metal equipment extremely rapidly. FRP Axial flow anti-corrosion blowers installed on the workshop walls continuously extract this foul air and introduce fresh air. Their all-FRP structure provides perfect resistance to moist and chemical gases; their high-airflow characteristic rapidly dilutes occasionally leaked harmful gas concentrations in the workshop, ensuring maintenance personnel safety - this is the irreplaceable role of axial flow anti-corrosion blowers in large-area corrosion-resistant ventilation.

• General workshop ventilation and corrosive air extraction in large chemical plants
• Ventilation in sludge workshops and pump stations of municipal and industrial wastewater treatment plants
• Corrosive gas extraction in battery production workshops (lead-acid, lithium batteries)
• General workshop ventilation and acid mist dilution in electroplating plants
• Ventilation in pickling workshops and electrolysis plants of the metallurgical industry
• Corrosive gas extraction in pulping workshops and bleaching sections of paper mills

The quality focus of axial flow anti-corrosion blowers is on materials and coatings. FRP components are inspected for resin content, fiber layup, and surface cure degree - crack- and bubble-free. PP welded components are inspected for weld strength and sealing. Coated components are inspected for coating thickness and adhesion - no missed coating. Impeller dynamic balancing accuracy is no lower than Grade G6.3. Motors are inspected for protection grade and anti-corrosion coating. After assembly, no-load running verifies current, vibration, and noise. Every product undergoes 100% inspection, then receives a conformity certificate.

The company holds multiple national utility model patents, with technology applied in corrosion-resistant fan structural optimization. Products are inspected to international standards; motors are sourced from CCC and CE certified brands; electrical components comply with IEC standards. FRP materials comply with ASTM D5364 related specifications. Stainless steel materials comply with ASTM A240 standards. Each unit undergoes performance and safety testing before shipping, accompanied by conformity certificate and user manual. We maintain industry-university-research collaborations with domestic universities and research institutes, continuously optimizing corrosion-resistant material selection and structural design.

One-year warranty; manufacturing defects within the warranty period are repaired or replaced free of charge. Dedicated team responds within 24 hours and provides solutions within 48 hours. Corrosion-resistant fan customers enjoy regular follow-up visits to inspect coating or FRP casing corrosion status, identifying local corrosion issues proactively. Beyond the warranty period, lifetime cost-price repair is offered with supply of corrosion-resistant impellers, corrosion-resistant motors, and seals. Operator and maintenance training is available to guide customers in daily inspection and corrosion-resistant maintenance essentials.

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