2026-04-10Views：
The difference between fixed screw air compressor and rotary air compressor can be summarized from the following aspects:
working principle:
fixed screw air compressor: Using the mutual meshing of the yin and yang rotors to continuously reduce the volume between the teeth and continuously increase the pressure, thereby continuously generating compressed air. It belongs to a kind of positive displacement compressor.
Rotary air compressor: through the internal rotor in the rotation of compressed air. It usually uses a water circulation system or an oil cooler as a medium, and the structure is relatively simple.
Structural features:
fixed screw air compressor: the whole machine is reliable, flexible and adaptable. It usually adopts a fully enclosed structure, and the cold and hot flows are separated without interfering with each other. It has the characteristics of low noise, small vibration and no need to install foundation.
Rotary air compressor: Due to its working principle, the structure is relatively simple, the maintenance is convenient, and it can work continuously.
Application areas:
fixed screw air compressor: especially suitable for centralized gas supply places with large gas volume, such as large factories or applications requiring continuous and stable gas supply.
Rotary air compressor: widely used in a variety of occasions requiring compressed air, especially the need for continuous work environment.
Performance characteristics:
fixed screw air compressor: high reliability, long life, low maintenance and so on. Its exhaust volume is hardly affected by the exhaust pressure, and it can maintain high efficiency in a wide range.
Rotary air compressor: It usually has the advantages of simple structure, few wearing parts, stable operation, low vibration, and stable exhaust.
In summary, there are significant differences between the fixed screw air compressor and the rotary air compressor in terms of working principle, structural characteristics, application fields and performance characteristics. Which type of air compressor to choose depends on the specific application requirements and working environment.
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