Transcription of Ejector system troubleshooting - Graham
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Ejector system troubleshooting - Graham
First published in The International Journal of Hydrocarbon Engineering, UK, 1997 IntroductionWhether for lube oil, fuel oil, or general fractionation,vacuum columns utilize Ejector systems to maintaindesign vacuum levels within the , cracked gases, hydrocarbon vaporsand steam are removed from the column by the ejectorsystem. Extraction of these fluids from the column is key toa proper vacuum level within the column and consequently,design charge rates and specification quality product do have lengthy operating experience with ejectorsystems. Ejector systems have been the mainstay forrefinery vacuum distillation.
Operating principle The basic operating principle of an ejector is to convert pressure energy of high pressure motive steam into velocity. High velocity steam emitted from a motive nozzle is then used
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