The Yikang Ecological Fresh Air Purification System is designed to provide clean and cooled fresh air for pig barns. Before entering the barn, outside air passes through a three-stage filtration system that combines interception, inertial separation, and diffusion effects to effectively capture mosquitoes, pollen, dust, and bioaerosols that may carry pathogens.
After filtration, the air passes through a high-density composite fiber cooling pad for rapid temperature reduction, helping create a cleaner, fresher, and more comfortable environment for pigs. The system supports improved air quality, better environmental control, and healthier farm operation.
In completed projects, the system has shown stable performance and reliable practical results, helping farms reduce airborne contamination risks and improve overall biosecurity management.

Equipment Model | 3*4 | 4*4 | 3*6 | |
Pre-filter | Quantity | 12 | 16 | 18 |
Specifications | Dimensions: 592*592*46mm Material: Composite fiber Filtration Grade: MERV 8 | |||
Medium-Efficiency Filter | Quantity | 12 | 16 | 18 |
Specifications | Type: W-type filter Dimensions: 592 × 592 × 292 mm Material: Glass fiber, composite fiber, nano fiber Filtration Grade: MERV 15 | |||
Housing Material | Material: Aluminum-magnesium-zinc coated steel plate, double-sided 275 g/m² coating, stamped modular assembly process. | |||
Fan Parameters | Number of fans: 1 Fan power: 2.2 kW Airflow & Static Pressure: 27900m³/h@0Pa, 21700m³/h@150Pa, 18890m³/h@200Pa | Number of fans: 1 Fan power: 4 kW Airflow & Static Pressure: 32800m³/h@100Pa, 29200m³/h@150Pa, 27400m³/h@200Pa | Number of fans: 2 Fan power: 1.8 kW Airflow & Static Pressure: 21700m³/h@0Pa, 17000m³/h@150Pa, 14500m³/h@200Pa | |
Secondary Protection Mesh | Insect-proof mesh: 304 stainless steel, 30 mesh Dust-proof mesh: Nylon material, 60 mesh | |||
Fabric Air Duct | Material: Polyester fiber air duct fabric; Thickness: ≥ 0.16 mm Fabric weight: ≥ 110 g/m² or≥ 240 g/m² Flame retardant rating: B2 coating | |||
High-efficiency filtration: Three-stage filtration system captures dust, bioaerosols, and virus carriers with efficiency up to MERV 15.
Enhanced biosecurity: Effectively blocks airborne transmission pathways, reducing disease risks in livestock farms.
Integrated cooling function: Evaporative cooling system delivers fresh, cooled air for improved animal comfort.
Stable and reliable operation: Optimized airflow design ensures consistent ventilation performance.
Durable and low maintenance: Corrosion-resistant materials and modular structure ensure long service life and easy maintenance.

Livestock farms: Fresh air purification for pig houses to improve air quality and biosecurity.
Animal housing facilities: Prevention of airborne disease transmission through multi-stage filtration.
Agricultural ventilation systems: Supplying clean, cooled air for stable environmental control.
Biosecure farming environments: Reducing pathogen carriers and enhancing disease prevention.

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West of East 2nd Ring Road, Xincheng Industrial Park, Xinxing County, Yunfu, Guangdong, China