Let's first understand the core advantages of screw blowers:
1. High efficiency (especially in the low to medium pressure range): The screw blower adopts a precise twin-screw meshing design, with less internal leakage and high volumetric efficiency.
2. Low noise and low vibration: stable output flow and pressure with minimal fluctuations.
3. Stable and reliable operation, low maintenance requirements: minimal wear, long service life of main moving parts.
4. Compact structure and small volume: The design is more compact, occupying a small area, and easy to install and layout.
5. Good Adjustment Performance: Driven by variable frequency speed regulation, the response speed is fast and can accurately match actual needs.
6. oil-free options widely used: Oil free screw blower can provide 100% clean air without oil, meeting the high demand for air quality in industries such as food, beverage, medicine, electronics, etc.
7. Intelligent Control: Modern integrated advanced controllers and sensors enable automated systems for automatic start stop, fault diagnosis, remote monitoring, and other functions.

The main application industries of screw blowers
1. Sewage treatment: aeration for oxygen supply
2. Aquaculture: oxygenation.
3. Food and beverage processing: fermentation for oxygen supply. Pneumatic conveying, packaging, cleaning and drying.
4. Chemical and Petrochemical Industry: Process gas conveying, pneumatic conveying, reactor stirring and aeration, wastewater treatment.
5. Textile industry: pneumatic equipment, material conveying.
6. Power industry: desulfurization and oxidation, fly ash pneumatic conveying.
7. Paper industry: air cushion drying, mesh dewatering, waste paper de ink flotation.
8. Pharmaceutical and Bioengineering: Oxygen supply during fermentation process, pneumatic control, drying and packaging.
9. Building materials and glass: cement raw material/coal powder transportation, glass kiln combustion assistance, float glass tin tank protection gas.
10. Mining: Mine ventilation assistance, beneficiation flotation, pneumatic conveying system.
11. Electroplating: Provide stirring air for the electroplating tank to make the solution uniform and improve the quality of the coating.

Summarize
Screw blowers have become the preferred solution in the field of medium and low pressure air compression and transportation due to their significant advantages such as high efficiency (energy-saving), low noise, low vibration, stable and reliable operation, low maintenance costs, compact structure, and oil-free clean air options. When selecting, the most suitable model (with or without oil) and configuration should be determined based on specific factors such as flow rate, pressure, gas properties (cleanliness, corrosiveness), environmental requirements (noise, explosion-proof), etc.