PSA water ring vacuum pump
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Our unit’s PSA system is equipped with three water-ring vacuum pumps; the temperature of pump A’s water is 40 degrees Celsius, while the temperature of pumps B and C can reach 70 degrees Celsius. What is the reason for this?
1. Please check whether the heat exchanger is blocked or severely scaled； 2. Please check whether the liquid level has reached the centerline of the pump shaft, when shutting down the machine ；
For heat exchangers and cooling water pipelines, mechanical problems are unlikely; it’s probably the cooling water system
Increase the water supply for the last two pumps to see if there is any change in temperature; it should be related to the amount of water supplied.