Knowledge of air compressor lubricating oil

For air compressors, lubricating oil plays an irreplaceable role. The longer the lubricating oil is used, the deterioration and coking will occur, so it needs to be replaced regularly. The following summarizes some knowledge and skills of lubricating oil use.

1. If the air compressor is well ventilated and the operating temperature is low, the service life of the lubricating oil will be greatly increased.

2. The exhaust pressure of the single-stage compression oil-injected screw air compressor is from 0.3 to 1.3 Mpa. If the exhaust pressure is low, the oxidation rate of the air compressor lubricating oil is also low.

3. Due to the segmental compression of the two-stage air compressor, the pressure difference is small, and the exhaust temperature of each compression stage is relatively low. The use time of the lubricating oil of the air compressor is longer than that of the single-stage air compressor. times or so.

4. The lubricating oil in the general variable frequency screw air compressor lasts longer than the lubricating oil in the ordinary screw air compressor.

5. In order to improve energy efficiency, some air compressor manufacturers and users have increased the fan of the air-cooled oil-injected screw air compressor and lowered the exhaust temperature of the screw air compressor, which not only reduces the power consumption, but also prolongs the operation time. The service life of the compressor oil has achieved the effect of energy saving and environmental protection.

6. The service life of centrifugal air compressor lubricating oil and piston engine lubricating oil is generally longer than that of oil-injected screw air compressor.

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