2026-04-14Views：
Oil-free air compressor according to its structure design and working principle of different, mainly can be divided into the following types of structure:
Piston structure: This is a more traditional structure in the oil-free air compressor. It compresses the gas through the reciprocating movement of the piston in the cylinder to achieve an increase in air pressure. The piston structure is relatively simple, easy to maintain and repair, and is suitable for some occasions where the air pressure requirement is not particularly high.
Screw type structure: screw type oil-free air compressor through two intermeshing screw (usually a male screw and a female screw) in the casing rotation, so that the gas is compressed between the screw. This structure has the advantages of high efficiency, stability and low noise, and is suitable for occasions that require continuous and stable gas supply.
Scroll-type structure: Scroll-type oil-free air compressor uses one or more scroll discs to rotate in the casing to form a gas compression chamber. As the scroll rotates, the gas is gradually compressed and discharged. The scroll structure has the characteristics of small size, light weight and simple structure, and is suitable for occasions with strict requirements on space and weight.
Centrifugal structure: The centrifugal oil-free air compressor sucks and accelerates the gas through a high-speed rotating impeller, and then compresses and discharges the gas under the action of centrifugal force. This structure has the advantages of high efficiency, energy saving and convenient maintenance, and is suitable for large flow and low pressure occasions.
it should be noted that oil-free air compressors of different structures may differ in performance, scope of application, maintenance, etc. Therefore, in the choice of oil-free air compressor, according to the specific needs and conditions of use, comprehensive consideration of various factors, choose the most suitable structure type. At the same time, during use, correct operation and maintenance should also be carried out in accordance with the manufacturer's recommendations to ensure the normal operation of the oil-free air compressor and extend its service life.
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