What is the reason for the high exhaust temperature of screw air compressor?

The high exhaust temperature of screw air compressor is generally caused by the high temperature of oil cooler and water cooler, and it may also be caused by sensor failure.

Some alarms can be eliminated immediately through the operation of the controller page, but sometimes there will be an alarm that the exhaust temperature is too high after elimination. After checking the inlet and outlet pressure and temperature of circulating water, it is felt that the index of circulating water is within the normal range, and the alarm possibility of excessive exhaust temperature caused by circulating water is very small. If the equipment is further inspected and the color of lubricating oil becomes darker, it is judged that it is time for maintenance. I checked the operation record of the screw air compressor, and it is indeed a maintenance period. After maintenance, this phenomenon was eliminated.

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