What is an Air Suspension Blower?
What is an Air Suspension Blower?
With the growing global focus on energy efficiency, operational reliability, and environmental compliance, industries are increasingly seeking advanced aeration and conveying solutions. In this context, the Air Suspension Blower (air foil bearing turbo blower) has emerged as a next-generation alternative to traditional positive displacement blowers and multi-stage centrifugal blowers.
1. What is an Air Suspension Blower?
An air suspension blower is a high-speed turbo blower that uses air foil bearings instead of traditional oil-lubricated or gear-driven bearings. The rotating shaft is completely supported by a self-acting air film generated during operation. This results in non-contact, oil-free, and frictionless rotation, enabling very high efficiency, low noise, and virtually maintenance-free operation.
2. Key Functions and Benefits
- Oil-Free & Clean Operation: No lubricating oil, no oil mist contamination – ideal for sensitive processes and strict environmental regulations.
- High Energy Efficiency: Equipped with high-speed permanent magnet motors (PMSM) and efficient impellers, air suspension blowers typically save 20–35% energy compared to traditional blowers.
- Low Maintenance: No oil filters, gearboxes, or rolling-element bearings to replace. Only standard air filters require periodic cleaning.
- Compact & Quiet: Small footprint, low vibration, and noise levels usually below 80 dB(A), making them suitable for residential or noise-sensitive areas.
- Intelligent Control: Built-in variable frequency drive (VFD) and PLC allow precise flow/pressure adjustment, remote monitoring, and automatic anti-surge protection.
3. Typical Application Scenarios
Industry / Field Specific Applications
Wastewater Treatment Aeration in biological treatment tanks (e.g., activated sludge process, MBR, SBR); improving oxygen transfer efficiency.
Cement & Steel Combustion air conveying, material fluidization, flue gas desulfurization (FGD).
Chemical & Petrochemical Oxidation reactors, stripping columns, pneumatic conveying of powders.
Food & Beverage Clean aeration for fermentation, wastewater neutralization, product drying.
Textile Industry Air supply for jet looms, thread suction guns.
Pneumatic Conveying Conveying of cement, flour, plastic pellets, fly ash in closed pipelines.
Aquaculture Providing continuous oxygen-rich aeration for fish/shrimp ponds.
Paper & Pulp Vacuum suction for paper forming, dryer section ventilation.
4. Why Switch to an Air Suspension Blower?
- Reduce electricity costs – the largest operational expense in many blower applications.
- Eliminate oil-related risks – no oil contamination, no oil disposal cost.
- Lower lifecycle cost (LCC) – higher initial investment is quickly recovered through energy and maintenance savings.
- Meet green manufacturing / carbon reduction targets – lower CO₂ emissions.
We offer a complete range of air suspension turbo blowers from 7.5 kW to over 400 kW, with flow capacities up to 400 m³/min and pressure up to 150 kPa. Our models are already widely used in municipal wastewater plants, industrial parks, and manufacturing facilities globally.
If you are currently planning a new facility or retrofitting existing blowers, we would be delighted to provide a free technical comparison, energy saving analysis, or on-site trial.
Please feel free to contact us for more information or a customized quotation.