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Yesterday, our hydrogenation cycle hydrogen compressor tripped during shutdown due to high vibration triggering a interlock. Will an increase in circulation volume lead to higher vibrations?

2017-12-29View Original

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Yesterday, our hydrogenation cycle hydrogen compressor tripped during shutdown due to high vibration triggering a interlock. Can a sudden increase in circulation volume cause high vibration?
Reply #22017-12-29
For centrifugal types, flow rate has a significant impact, and there is a surge zone; for reciprocating types, there should be no problems – simply installing a high-pressure return valve at the outlet will suffice.
Reply #32017-12-29
There are also issues with the operation; it’s probably due to a poor level of coordination
Reply #42017-12-29
It depends on how quickly you do it; just like driving, shifting from 1st gear to 5th gear takes some time
Reply #52017-12-30
It’s hard to say; the same operation may not succeed every time. I’m always on edge every time the compressor starts
Reply #62017-12-30
Rough handling can lead to excessive vibration and even derailment~~~ But then again, how rough would it have to be?~~~~~~~~~~~~~~~~~
Reply #72018-01-10
What they mean is that your process of switching machines is too fast; you didn’t pay attention to ensuring a smooth transition between the machines!!!
Reply #82018-01-10
You’re trying to make everyone guess a riddle, right? If we want to analyze the reasons for the vehicle jumping out due to vibration, it would be best to take screenshots of the trends in relevant parameters during the period before and after the jump, so that everyone can help analyze them. For example: several vibration points of the shafting, displacement, shafting temperature, velocity, pressure and flow rate of the incoming and outgoing media, the operational parameters set by the operator, etc.

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