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  1. exclamation

    strainers at the inlet of ejectors for vacuum tower

    Strainers are installed in the steam lines to the ejectors ,To romove any rust particles or such thing that steam might have . Actually when the motive fluid travels throughthe throat of ejector it atains sonic speed and any such particles present may cause high abbrasion ,if your plant is new...
  2. exclamation

    Hysys Thermosyphon Bug

    When i install thermosysphon in hysys it shows a higher temperature at the thermosyphon inlet and a lower temperature at the thermosyphon outlet at the same pressure ,although enthalpy is being added to the system . This is when tray efficiency is set to 70 % which is normal however if you set...
  3. exclamation

    Unconventional Control for distilation column

    For revamp of our refinery we are installing a parrallel crude distillation column ,now the problem with it is the control scheme .you can see the scheme in the attached file . one distillation column operates at 30 % and other is at 70 % of total capacity .Now the draw nozzle for pump around...
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