I would like to ask about the reasons for vibration interlock in liquid ring vacuum pumps. Thank you
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The unit has just been put into operation, and the vacuum pump is running. It stops working due to vibration interlocks after a while – sometimes after an hour, sometimes after 3 hours. Does anyone know the reason for this? Additionally, the working fluid is stable; it’s just that the amount of cooling water used for the vacuum pump’s shaft seal isn’t controlled. Could that be the cause?
This cooling water is generally not controlled, right? Just opening the valve to a certain degree is sufficient
It’s an installation issue, I guess. Or it could be a problem with the device itself.
It’s an installation issue, I guess. Or it could be a problem with the device itself.
Check the quality of the installation, the temperature control of the working fluid, and the flow rate which is set at the lower limit; also see if there is any cross-positive pressure interference at the exhaust port – it’s worth giving that a try
There are issues with the equipment installation; check whether it is concentric, coaxial, and at the same level.
First, it is necessary to check whether they are concentric, coaxial, and at the same level; afterwards, issues related to equipment manufacturing should be examined, and then process-related problems
Check for issues with operation and installation: 1) Inspect the vacuum pump pipeline to see if the inlet temperature is too high； 2) Check whether the installation position of the gas-liquid separator on the vacuum pump outlet pipe is too high ； 3) Check whether the water supply to the primary water seal is continuous to avoid interruptions in the flow of water ； 4) Is the vacuum pump properly fixed? Additionally, a bypass air inlet control valve is generally installed on the vacuum pump pipeline, and the vacuum level of the system is controlled by adjusting the opening degree of this valve. I don’t quite understand what you mean by pump interlock. Could you share your vacuum system’s PID settings partially, to help with troubleshooting?