Transcription of Ejector system troubleshooting - Graham
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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. Whether a crude vacuum toweroperates as a wet , damp or dry tower, an ejectorsystem is the vacuum producer.
difficult cleaning of tube internal surfaces. Floating head units, TEMA type AES, AET, AXS or AXT, are generally the most expensive. The floating head adds complexity and
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