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17129Re: New file uploaded to new_distillers

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  • Harry
    Aug 26, 2005
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      --- In new_distillers@yahoogroups.com, Kevin Nowaczyk
      <beakerboy99@y...> wrote:
      > Hey guys,
      > I don't get why the bubblers wouldn't bubble. This
      > picture could basically be found in any chemical
      > engineering text on distillation. Sure it's not to
      > scale or anything but all the concepts look right to
      > me.
      >
      > Each tray holds a quantity of liquid and vapors
      > leaving the tray benieth will bubble through to
      > acheive the next equilibrium. This vapor provides
      > heat to boil some more liquid, enriching it in the
      > lighter compounds. As liquid falls from the tray
      > above it'll increase the liquid level of the tray
      > below, creating a flow of the heavier compound down to
      > he bottom where they'll be drawn off as bottoms.
      >
      > Kevin Nowaczyk



      There are no downcomers, and no wiers. Without wiers there can be
      little to no liquid holdup on the plate. Without downcomers, the
      rising vapours will find the line of least resistance i.e. around
      the endgap of the plates, all the way up, not through the bubblers.
      Compare with this drawing...
      http://www.geocities.com/gnikomson2000/Column.JPG


      Slainte!
      regards Harry
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