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Why does the compressor need to be shut down via interlock when the flow rate at its outlet is low?

2011-06-16View Original

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May I ask why, when the flow rate at the compressor outlet is low, it triggers an interlock that shuts down the compressor itself? For example, reformation, pre-hydrogenation, isomerization, and disproportionation are all designed in this way – what considerations drove such design? Thank you all. :victory: :)
Reply #22011-06-23
Centrifugal or piston? The centrifuge is experiencing surge; I’m not sure about the piston machine – I’ll ask the manufacturer next time
Reply #32011-06-24
In fact, low export flow indicates low inlet flow, and low inlet flow can lead to vacuum formation that causes the tank to collapse. Also, as mentioned above, low flow rates can cause surge.
Reply #42011-06-25
What was said upstairs is right! It is for these reasons that a low outlet pressure interlock shutdown is installed.
Reply #52011-06-25
If the outlet flow rate is very low, it indicates that there has been a change in the operating conditions; the centrifugal compressor may experience surge, but it’s not clear what will happen with the reciprocating pump. .

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