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Centrifugal Compressor Recycle

centrifugal compressor lng suction drum

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#1 Lyne

Lyne

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Posted 19 August 2025 - 03:59 PM

Hello, I'm doing a reverse engineering study for a BOG recovery system that has a centrifugal compressor and an LNG quench system to maintain compressor suction temperature. In order to confirm the required quench LNG flowrate, I wanted to know if during startup the total flowrate of the compressor is expected to be recycled?

Below a link for the sketch, I couldn’t share the sketch directly

https://drive.google...ew?usp=drivesdk

Edited by Lyne, 19 August 2025 - 04:13 PM.


#2 breizh

breizh

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Posted 19 August 2025 - 06:42 PM

Hi Lyne,

Should be close at start up.

Attached various systems anti surge..

Breizh

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