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How to solve the 6 problems of oil in air compressor exhaust?
Aug 10 , 2024

Oil in the air compressor exhaust is one of the common faults of air compressors, which may be caused by a variety of reasons. The following are six possible faults that may cause excessive oil in the air compressor exhaust and their solutions:

1.Damage to the oil separator core: If the oil separator core is damaged or perforated, it will lose its oil-gas separation function, causing a large amount of cooling oil to be discharged with the gas. The solution is to check regularly and replace the oil separator core in time if damage is found.

2.Problems with the oil return line: Faults in the oil return line, such as blockage or breakage, may prevent the oil from flowing back to the compressor normally, causing oil in the exhaust gas. The solution is to check the separator pressure drop, clean or replace the oil separator core.

3.System pressure control is too low: System pressure that is too low may lead to incomplete oil and gas separation. Operators should be familiar with the equipment control pressure and adjust the system load when problems are found to ensure that the system pressure reaches the rated working pressure.

4.Minimum pressure valve failure: Minimum pressure valve failure may cause the system pressure to be too low, affecting the normal operation of the return oil pipeline. If the minimum pressure valve is found to be failed, it should be replaced in time.

5.Too much cooling oil is added to the compressor: Too much cooling oil may be discharged with the gas during the gas discharge, resulting in oil in the exhaust gas. The amount of cooling oil added should be controlled below the middle of the sight glass, and a dedicated person should be responsible for this.

6.Cooling oil quality problem: Using unqualified cooling oil or oil that has exceeded its applicable period may cause exhaust to contain oil. Cooling oil should be added strictly according to equipment requirements, and the addition time should be recorded and replaced regularly.

When solving the problem of oil in the exhaust of the air compressor, the causes of the failure should be checked one by one and corresponding solutions should be taken. At the same time, strengthening daily maintenance work can prevent the occurrence of failures and ensure the normal operation of the air compressor and the quality of compressed air.

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