Comparative Analysis of Air Suspension Centrifugal Blowers and Traditional Blowers

Why More Companies Are Using Air Suspension Centrifugal Blowers

With increasing industrial energy saving requirements, more and more companies are adopting air suspension centrifugal blowers. Especially in wastewater treatment, cement, food, chemical, and power industries, air suspension blowers are gradually replacing some traditional Roots blowers and multistage centrifugal blowers.

Compared with traditional blowers, air suspension centrifugal blowers have significant advantages in energy saving, noise reduction, and maintenance. However, traditional blowers still have strengths such as high stability and lower cost.

Before equipment upgrades, companies need to fully understand the differences between the two types of blowers.

Working Principle of Air Suspension Centrifugal Blowers

High Speed Non Contact Operation Using Air Bearings

Air suspension centrifugal blowers mainly consist of high speed permanent magnet motors, air bearings, variable frequency control systems, and centrifugal impellers.

During operation, air bearings use air pressure generated by high speed rotation to levitate the shaft, achieving non contact operation.

Because there is no traditional mechanical friction, the equipment can operate at high speed and stability while reducing energy consumption and mechanical loss.

Working Characteristics of Traditional Blowers

Traditional Blowers Rely on Mechanical Contact Operation

Traditional Roots blowers and multistage centrifugal blowers usually use mechanical bearings, gears, and belt transmission.

During operation, mechanical friction is generated, so energy consumption, noise, and maintenance costs are generally higher than air suspension centrifugal blowers.

However, traditional blowers have mature structure, simpler maintenance, and stronger adaptability to complex operating conditions.

Main Advantages of Air Suspension Centrifugal Blowers

More Significant Energy Saving Effect

Energy consumption is significantly lower than traditional blowers.

Air suspension centrifugal blowers use high speed direct drive and intelligent variable frequency control, automatically adjusting operating conditions based on actual air demand.

In wastewater treatment aeration systems, energy savings of 20% to 40% can be achieved compared to traditional Roots blowers.

Why It Is More Energy Efficient

High speed direct drive reduces transmission losses.
Air bearings eliminate mechanical friction.
Variable frequency control reduces energy waste.
Higher aerodynamic efficiency.

Lower Noise Operation

The working environment is quieter.

Traditional blowers generate noticeable mechanical noise from gears, bearings, and belts during operation.

Air suspension centrifugal blowers have lower overall noise due to the absence of mechanical contact.

Many systems can operate below 80 decibels.

Advantages of Low Noise

Improves workshop environment.
Reduces investment in soundproofing systems.
Decreases long term noise pollution.

Lower Maintenance Costs

Daily maintenance is simpler.

Traditional blowers require regular replacement of lubricating oil, bearings, and belts, while air suspension centrifugal blowers operate without oil.

Because mechanical contact parts are reduced, maintenance workload is significantly lower.

Fewer Maintenance Items

No lubricating oil replacement required.
No gearbox maintenance required.
No belt replacement required.
Less mechanical wear.

Higher Level of Automation

Air suspension centrifugal blowers are usually equipped with intelligent control systems that monitor:

Pressure.
Temperature.
Vibration.
Current.
Airflow.

They also support remote monitoring and automatic alarms, improving factory automation management.

Main Advantages of Traditional Blowers

Lower Initial Purchase Cost

More suitable for budget limited companies.

Traditional Roots blowers and multistage centrifugal blowers have mature technology and relatively low manufacturing costs.

For small businesses, the initial investment pressure is lower.

Stronger Adaptability to Operating Conditions

Better for complex environments.

Traditional blowers have strong adaptability to dust, high temperature, and frequent start stop conditions.

Even under fluctuating conditions, they can maintain stable operation.

Common Application Conditions

High dust environments.
Frequent start stop systems.
Large airflow fluctuations.
Unstable power supply environments.

Easier Maintenance

Can be repaired by general technicians.

Traditional blowers have a relatively simple structure and mature maintenance techniques.

Many common faults can be handled on site without complex control systems.

Disadvantages of Air Suspension Centrifugal Blowers

High Equipment Purchase Cost

Initial investment is significantly higher.

Although air suspension centrifugal blowers offer excellent energy saving performance, their purchase cost is usually higher than traditional blowers.

For small projects, the upfront investment pressure can be significant.

Higher Environmental Requirements

Not suitable for all operating conditions.

Air suspension centrifugal blowers are more suitable for stable operating conditions.

High dust, high humidity, or frequent start stop operation may affect system stability.

Higher Maintenance Technical Requirements

Requires professional support.

Air suspension centrifugal blowers are high technology equipment.

If air bearings or control systems fail, professional manufacturer support is usually required.

How to Choose Between Air Suspension and Traditional Blowers

Based on Actual Business Needs

If companies prioritize:

Energy saving.
Low noise operation.
Long term operating cost.
Intelligent management.

Then air suspension centrifugal blowers are more suitable.

If companies prioritize:

Initial purchase cost.
Complex condition adaptability.
Ease of maintenance.
On site repair convenience.

Then traditional blowers remain advantageous.

Conclusion

Air suspension centrifugal blowers offer clear advantages in energy efficiency, low noise, low maintenance, and intelligent operation, making them ideal for long term continuous industrial systems.

Traditional blowers, however, still have advantages in purchase cost, adaptability to complex conditions, and maintenance convenience.

Companies should consider budget, operating environment, airflow requirements, and long term operational costs to select the most suitable blower system.

Air Suspension Blowers Product Information

Web: http://www.greentechblower.com  (Group Web)  ‖  http://www.zqblower.cn  (Chinese)  ‖ http://www.ringblower.cn/ (Ring blower)  ‖  http://www.china-blower.com  (Roots Blower)