2026-06-22Views：
Will be bad. If the screw air compressor is not used for a long time, various problems will occur slowly inside, and the longer the time, the more serious the damage will be.
The main bad in four places. First, the oil will deteriorate. If the oil-lubricated machine is stopped for a long time, the oil will oxidize, thicken and even agglomerate. When the machine is turned on again, the oil circuit will be blocked and the machine will be strained as soon as it turns. Second, the seal will age. The rubber ring inside does not move for a long time, it will slowly harden and lose its elasticity. If it is turned on again, it will leak air and the pressure will not go up. Third, the motor is susceptible to moisture. When it is stopped, the moisture in the air will drill into the motor coil, the insulation performance will decrease, and it may burn as soon as it is powered on. Fourth, metal parts will rust. Screw and bearing long-term contact with humid air, the surface will be oxidized, and the friction will increase and wear will accelerate when running again.
Water-lubricated air compressors have an obvious advantage in this matter. Because it uses water instead of oil for lubrication, there is no problem of oil deterioration and agglomeration. If the water is drained before it is idle, the oil sludge will not be left inside to block the oil circuit. Moreover, the gas discharged from the water-lubricated air compressor does not contain oil. If the residual water inside is discharged in time after shutdown, the metal parts will rust slower than the oil-lubricated machine.
But the water lubricated air compressor can not be completely ignored. The seal will also age, and the motor is also afraid of moisture, so even if it is not used for a long time, it is recommended to power on the machine every once in a while to let the machine idle for a while and bake the internal moisture.
In general, long-term idleness will definitely be bad, but the water-lubricated air compressor has less oil deterioration and the overall damage is lighter than that of oil-lubricated machines, and maintenance is more worry-free. If you want to know what preparations should be made before you are idle, you can continue to talk.
The detection of water content in the air of air compressor should be carried out according to national standards or industry standards. Under normal circumstances, in the standard GB/T3853-2018 "Technical Conditions for Air Compressors", the saturated water content of compressed air is 3 when the relative humidity is 100 at 30 ℃.
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