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16938Re: [new_distillers] bubbles

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  • Robert Thomas
    Aug 4, 2005
      Don't worry, it's just air being displaced from the
      interstitial voids in the oak.
      Rob.


      --- sonum norbu <blanik@...> wrote:

      > When I add oak chips I find that in a few days
      > bubbles begin to rise
      > similar to fermentation. Why is this so? Thanks
      > blanikdog
      >
      > ----- Original Message -----
      > From: "Lindsay Williams"
      > To: new_distillers@yahoogroups.com
      > Subject: [new_distillers] Re: temperature
      > Date: Wed, 03 Aug 2005 23:13:03 -0000
      >
      > Yes, the wash has to be boiling as it is the vapour
      > produced by the
      > boiling that climbs up the column. With a packed
      > column, this
      > vapour/temp rise is fairly slow.
      >
      > I lower the power to what I want for the main run
      > which is 824W. I do
      > this by rearranging my two elements from parallel to
      > serial operation.
      > This divides heat-up power by 4.
      >
      > No need for a boiler thermometer. The temp is what
      > it takes to boil
      > and will change as the mixture changes. This is pure
      > physics and there
      > is nothing you can do about it. It's just
      > irrelevant.
      >
      > Cheers,
      > Lindsay.
      >
      > --- In new_distillers@yahoogroups.com, "chio0744"
      > <chio0744@y...> wrote:
      > > -Thanks for the response. i assume that the
      > contents of the boiler
      > > are at a boil before the temp rises in the column.
      > is that corret?
      > > Approx. how much do you turn the heat down - 1/4
      > less, 1/2 etc.? Do
      > > you have a thermometer in you boiler as well. --
      > In
      > > new_distillers@yahoogroups.com, "Lindsay Williams"
      > <linw@x> wrote:
      > > > Adding to what Dean said, I judge when to turn
      > the heat down by
      > > > feeling the temp rising in the column. When it
      > reaches about half
      > > way
      > > > I reduce the boiler power. This prevents the
      > very fast temp rise at
      > > > the top as the fast rising vapour hits the
      > thermometer.
      > > >
      > > > Cheers,
      > > > Lindsay.
      > > >
      > > > --- In new_distillers@yahoogroups.com,
      > "chio0744" <chio0744@y...>
      > > wrote:
      > > > > i am about to attempt my first distillation
      > using a reflux still
      > > with
      > > > > water cooling near the top of the column. i am
      > using a propane
      > > burner
      > > > > to heat my batch. once i have brought this to
      > a boil, do i keep
      > > it
      > > > > boiling and on high heat and try to control
      > the temperature at
      > > the top
      > > > > of the column by adjusting the flow of water
      > or do i also have to
      > > > > adjust the amount of heat to the pot and if so
      > how do i do this
      > > and
      > > > > still maintain a constant temperature at the
      > top? what do i do if
      > > after
      > > > > the batch begins to boil and while i am
      > attempting to get the
      > > correct
      > > > > temperature at the top, this temperature
      > fluxuates up and down.
      > > thanks
      >
      >
      >
      >
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