Solution
Factory Ventilation Solutions | Tackling Poor Air Quality, High Temperatures, High Energy Costs & Noise
Is localized heavy dust, toxic fumes, or intense heat from specific machinery creating hazardous zones in your factory?
When toxic fumes, dust, or intense heat concentrate at specific workstations (like welding or grinding), general factory ventilation isn’t enough. Without targeted extraction, these hazards quickly spread, threatening worker safety and equipment.
Our Solution: 4-72 Series Centrifugal Fan Designed for high-static-pressure ducted systems, the 4-72 Series forcefully captures pollution directly at the source. It easily overcomes complex duct resistance, handles air up to 80°C, and tolerates particulate matter (≤150 mg/m³).
Targeted Configurations:
For Standalone Workstations: 4-72 A-Series (Direct Drive) Compact and highly efficient. With speeds up to 2900+ RPM and extreme static pressure (up to 6400+ Pa), it’s perfect for single-hood extraction at individual machines.
For Large Centralized Systems: 4-72 B-Series (Belt Drive) Built for heavy-duty, continuous operation. Delivering massive airflow (up to 220,000 m³/h) at lower speeds, it smoothly powers plant-wide dust collection or centralized fume treatment networks.
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Are your workers suffering from severe heat accumulation and stagnant air across the entire workshop?
During summer, large manufacturing plants and warehouses often trap massive amounts of heat. Simply circulating existing hot air with standard fans isn’t enough; this overall stuffiness leads to worker heat stress, plummeting productivity, and poor indoor air quality.
Our Solution: The “Push-Pull” Ventilation System Jiuzhou Puhui engineers a complete air replacement cycle. By combining powerful wall-mounted exhaust fans with high-volume fresh air supply fans, we create a rapid, full-workshop breeze that continuously flushes out heat and drops ambient temperatures.
System Components:
The “Pull” (Exhaust): JS-II Square Negative Pressure Fan Mounted on the facility wall, it rapidly extracts trapped heat and stale air to create indoor negative pressure. Performance: Delivers massive airflow (up to 55,000 m³/h) with extremely low energy consumption. Available with auto-louvers to prevent outdoor weather intrusion.
The “Push” (Supply): SF Series Industrial Axial Fan Positioned on the opposite end to forcefully inject fresh outdoor air, completing the cooling draft. Performance: Engineered with advanced aerodynamic blades, delivering enormous throughput (up to 125,635 m³/h). Can be installed in ductwork or used with mobile stands for flexible cooling zones.
Are aging ventilation systems causing soaring electricity bills and disruptive operational noise?
Older factory fans often rely on outdated motors and inefficient blade designs. This leads to skyrocketing energy costs and loud operational noise that may fail environmental inspections, all while delivering a gradual drop in actual ventilation performance.
Our Solution: High-Efficiency Retrofit Systems Jiuzhou Puhui provides targeted energy-saving upgrade plans. By replacing outdated equipment with our aerodynamically optimized fans, factories can achieve equal or greater airflow while significantly cutting power consumption and creating a quieter, compliant workspace.
Recommended Upgrades:
For General Duct & Roof Ventilation: EG Series Axial Fan Performance Specs: Designed for maximum electricity saving (starting at just 0.18kW). Despite its low power consumption, it delivers robust air volumes up to 18,409 m³/h and pressures up to 573 Pa. With operational noise as low as ≤58 dB(A), it provides powerful pipeline pressurization and general ventilation without the heavy energy burden.
For High-Volume Quiet Exhaust: 11-62 (A-Type) Multi-Wing Centrifugal Fan Performance Specs: Features an advanced log-spiral scroll case and a low-rotation design (as low as 730 r/min) to minimize vibration. It delivers impressive airflow up to 21,330 m³/h and total pressure up to 1,407 Pa. It is the ultimate whisper-quiet replacement for old indoor exhaust units and centralized HVAC systems.
Agricultural & Poultry Farm Ventilation Solutions | Tackling High Temperature & Humidity, Ammonia Odor, and Disease Spread
Is extreme summer heat causing fatal heat stress in your poultry or livestock?
In enclosed or semi-enclosed poultry houses and barns, summer heat waves can be deadly. Heat accumulation quickly leads to animal heat stress, causing reduced feed intake, lower growth rates, and widespread mortality, severely impacting your farm’s profitability.
Our Solution: Rapid Heat-Extraction Systems Jiuzhou Puhui provides heavy-duty ventilation systems designed specifically for harsh agricultural environments. By deploying high-volume negative pressure fans, we forcefully extract trapped hot air and humidity from the building, creating a constant, cooling breeze that drastically lowers indoor temperatures and keeps your livestock safe.
Recommended Equipment:
For Massive Air Exchange: JS-II Square Negative Pressure Fan Performance Specs: Specifically engineered for poultry houses, barns, and flower greenhouses. It delivers an immense, continuous airflow of up to 55,000 m³/h (Model 14C) to quickly flush out extreme heat. Built for tough conditions, it operates reliably in environments with up to 80% relative humidity and ambient temperatures up to 50°C, making it your ultimate safeguard against summer heat stress.
Are toxic ammonia buildup and stagnant air threatening animal health or greenhouse yields?
In large-scale farming structures and tall greenhouses, poor air circulation creates severe “dead zones.” This allows toxic gases like ammonia to accumulate near the ground, harming livestock respiratory systems, while stagnant air in greenhouses breeds plant diseases and limits crop yields. Standard roof ventilation alone often struggles to sweep these gases out from the building’s lower perimeter.
Our Solution: Total 3D Air Circulation Systems Jiuzhou Puhui provides a multi-dimensional approach to completely eliminate agricultural dead zones. By combining the massive vertical down-draft of our permanent magnet ceiling fans with the efficient perimeter exhaust of our square ventilation fans, we create a continuous, building-wide cross-breeze. This system forcefully mixes all air layers and actively extracts toxic gases out through the side walls.
Recommended Equipment:
For Massive Vertical Circulation: DFS Series Permanent Magnet HVLS Ceiling Fan Performance Specs: Features advanced permanent magnet frequency conversion technology for extreme energy efficiency. With huge blade diameters (up to 7.3 meters), a single DFS fan operates quietly at low speeds yet moves an astonishing 15,300 m³/min of air. It gently pushes air downwards and outwards to break up temperature and humidity layers across areas up to 860 m².
For Perimeter Exhaust & Moisture Control: FAB Series Standard Square Ventilation Fan Performance Specs: Encased in high-strength DKP sheet metal with premium anti-rust spray painting, the FAB series is highly resistant to the corrosive, humid conditions of agricultural facilities. It features automatic outer louvers for excellent weatherproofing. Operating with extreme energy efficiency (starting at just 40W), it delivers reliable exhaust airflow up to 6,370 m³/h (Model FAB50-4). Easily installed on concrete or steel panel walls, it effectively draws out the ammonia and stale air displaced by the ceiling fans.
Mall & Commercial Space Ventilation Solutions | Tackling Stuffy Air, Poor Air Quality, and Noise Issues
Are noisy HVAC systems and stuffy air ruining the premium shopping experience in your commercial building?
In high-end shopping malls, luxury hotels, and modern office complexes, maintaining a fresh and comfortable environment is essential. However, traditional ventilation equipment often creates significant noise and vibration, which can lower the prestige of the property and disrupt the customer experience. The challenge lies in delivering massive volumes of fresh air to every corner of a large facility without the acoustic footprint of industrial machinery.
Our Solution: Invisible Silent Ventilation Networks Jiuzhou Puhui specializes in “invisible” comfort. We provide silent fans and sound-insulated cabinet fans specifically engineered for ceiling-mounted installations and low-acoustic environments. These systems integrate seamlessly into your central HVAC network, providing powerful, draft-free fresh air while keeping operational noise to an absolute minimum, ensuring your commercial space remains both fresh and tranquil.
Recommended Equipment:
For Localized Spaces & Individual Shops: JYF Series Low Noise Fan Performance Specs: Specifically developed for environments where silence is critical. While maintaining high-volume air supply, its lowest operational noise is just 18 dB(A) (Model JYF1.0L-100), making it virtually whisper-quiet. Its compact and lightweight design allows it to be easily hidden within ceiling structures, making it the ideal choice for premium offices, hotel rooms, and retail boutiques.
For Central HVAC & Large Floor Areas: DT Series Cabinet Centrifugal Fan Performance Specs: Engineered for high-load, large-scale commercial fresh air and exhaust needs. It features a novel, compact sound-insulated cabinet structure that significantly reduces vibration. Available in single and dual-speed models, the largest units deliver an impressive airflow exceeding 110,000 m³/h (Model 44″) and total pressures up to 1820 Pa. It is perfect for mall-wide air exchange and high-capacity kitchen exhaust in commercial dining areas.
Are heavy cooking fumes and lingering odors from dining areas compromising the air quality and premium shopping experience in your commercial complex?
Large shopping malls often house numerous restaurants and food courts. High-intensity commercial cooking generates massive amounts of high-temperature grease, smoke, and odors. If the exhaust system lacks sufficient static pressure, fumes can easily spread into public shopping areas, triggering customer complaints. Furthermore, grease buildup in ductwork poses a severe fire hazard. Traditional exhaust fan blades easily trap grease, making them incredibly difficult to clean and causing a drastic drop in exhaust efficiency over time.
Our Solution: High-Efficiency, Easy-to-Clean Exhaust Systems Jiuzhou Puhui designs powerful exhaust solutions specifically for high-load commercial kitchens. By deploying specialized backward-curved kitchen exhaust fans in conjunction with your building’s smoke purifiers, we forcefully overcome complex duct resistance to completely extract heavy grease and smoke. This ensures a fresh environment throughout the mall while drastically reducing equipment maintenance and cleaning difficulties for property management.
Recommended Equipment:
For Centralized Commercial Kitchen Exhaust: HCF Series Backward Single-Plate Kitchen Exhauster
Performance & Advantages: Features a specially engineered backward single-plate arc impeller designed for heavy grease environments. It is highly resistant to grease buildup and exceptionally easy to clean, thoroughly solving the maintenance headaches of typical kitchen fans. While delivering robust power, this series operates at a noise level 10% lower than similar fans, making it ideal for premium commercial complexes with strict acoustic requirements.
Performance Specs: Perfectly suited for use with high-resistance commercial smoke purifiers. It generates an immense total pressure of up to 4,301 Pa (Model 5.6A), easily overcoming the heavy duct resistance of high-rise building exhaust shafts. With a maximum throughput reaching 51,494 m³/h (Model 9.0C), it provides stable, overwhelming centralized exhaust power for large food courts and restaurant hubs.
Fire Smoke Exhaust Ventilation Solutions | Ensuring Rapid Smoke Removal in High-Rise Buildings and Underground Spaces
Is your building's emergency exhaust system at risk of failing strict fire safety inspections, or failing during a real high-heat emergency?
In high-rise buildings, subway tunnels, and expansive underground spaces, toxic smoke is the primary cause of casualties during a fire. Fire safety codes are uncompromisingly strict. If your exhaust fans cannot withstand extreme heat and fail during the critical evacuation window, it not only risks lives but also prevents your entire construction project from passing final safety audits and handover.
Our Solution: Certified Extreme-Heat Reliability Jiuzhou Puhui manufactures industrial-grade fire exhaust fans strictly tested to meet national emergency management standards. Built with specialized motor cooling technology and high-temperature-resistant materials, our systems guarantee continuous, stable operation when the environment reaches critical heat levels, ensuring safe evacuation routes remain clear.
Recommended Equipment:
HTF-I Series Single-Speed Axial Fire Exhaust Fan
Performance Specs: Engineered for absolute survival. It is certified to run continuously for over 30 minutes when the air and smoke temperature reaches 280°C. Delivering an overwhelming maximum airflow of up to 293,736 m³/h, it provides the brute force necessary to quickly extract smoke from large-scale catastrophes.
Are separate daily ventilation and emergency exhaust systems taking up too much valuable building space and driving up equipment costs?
Areas like underground parking lots, basements, and indoor gymnasiums require constant daily ventilation to remove vehicle exhaust, moisture, and stuffy air. However, installing two entirely separate duct and fan systems—one for daily fresh air and another dedicated solely to fire emergencies—is highly inefficient, doubling equipment costs and consuming critical ceiling space.
Our Solution: The “Dual-Purpose” Smart Exhaust System We provide advanced 2-in-1 ventilation solutions. By utilizing double-speed motors and sound-insulated cabinet designs, a single Jiuzhou Puhui fan unit can operate quietly at low speeds for everyday air circulation, and automatically switch to maximum high-speed exhaust via your building’s electric control system the moment a fire is detected.
Recommended Equipment:
HTF-II Series Double-Speed Axial Fire Exhaust Fan
Performance Specs: The ultimate space-saver. Operates at a low, energy-saving speed (e.g., 720 or 960 r/min) for daily ventilation. During an emergency, it instantly shifts to high speed, multiplying its airflow output (up to 93,800 m³/h on the 15A model) for rapid smoke discharge.
HTFC Series Centrifugal Fire Exhaust Cabinet Fan
Performance Specs: Combines fire-rated high-temperature resistance with ultra-low noise cabinet insulation. It is the perfect dual-purpose choice for indoor installations where daily acoustic comfort is mandatory, but emergency fire extraction capability is legally required.
