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Re: [microhydro] REFRIGERATORS AND OTHER DREAMS

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  • John Kuefel
    Full size Multi fuel refrigerators (Kerosene, propane, 12v electricty, 120v. electricty) are available from Lehman Brothers Hardware. (Servel brand) Dr. John
    Message 1 of 2 , Apr 1 3:43 AM
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      Full size Multi fuel refrigerators (Kerosene, propane,
      12v electricty, 120v. electricty) are available from
      Lehman Brothers Hardware. (Servel brand)

      Dr. John R.Kuefel
      **************************************
      --- "H.G." <garciah@...> wrote:
      > The KEROSENE powered refrigerators are still
      > available in South America, and
      > in Africa ( though I am not sure about Africa )since
      > there are too many
      > places where electricity in any form has not reached
      > them yet.
      >
      > Some of the absorption refrigerators have been
      > adapted to run some kind of
      > Hot energy, like using the kitchen stove heat to do
      > the job of the kerosene.
      >
      > Their price are almost as expensive as the electric
      > pumps ( compressors)
      > with fluor family liquid.
      >
      > A very common combustible gas, like propane or
      > butane can be used to make
      > refrigerators and I have seen automobiles air
      > conditioners types removed
      > from the vehicles and run using Pelton or Turgo
      > turbines for air
      > conditioners or even as units for refrigerators, the
      > fluor gas replaced with
      > propane due to the impossible task of getting the
      > fluor gas, now considered
      > illegal. I do not recall the efficiency, but I
      > believe the efficiency is
      > lower than the "Illegal Fluor ".
      >
      > Also, small refrigerators using the Peltier modules,
      > some with double
      > modules ( around 150 Watts )10 to 15 cubic feet
      > capacity run using either 12
      > or 24 Volts DC.
      >
      > Regards
      >
      > Nando
      >
      >
      >
      ________________________________________________________________________
      >
      > Message: 4
      > Date: Fri, 30 Mar 2001 19:06:12 +0100
      > From: hugh piggott <hugh.piggott@...>
      > Subject: Re: Water bath heat exchanger
      >
      > >
      > >Also, there are still some kerosene-powered
      > refrigerators available. The
      > >Amish people in the U.S. use these, because the
      > Amish culture prohibits
      > >electric power. These refrigerators do not have a
      > compressor at all, but
      > the
      > >fuel burner evaporates the coolant, which then
      > recondenses and cools the
      > >unit. I believe these units use a different
      > coolant, perhaps ammonia.
      > Maybe
      > >one of these could be adapted, with an electric
      > heater replacing the
      > burner,
      > >and then you could run the heater off your hydro
      > power. This would
      > probably
      > >require less power than running the compressor on a
      > normal refrigerator,
      > but
      > >these refrigerators are very simple, with no
      > internal lights, ice crushers,
      > >or other fancy stuff.
      >
      > This is called an absorption cycle refrigerator and
      > it uses a lot
      > more power than a compressor. You can get propane
      > powered ones for
      > caravans etc, but they are not very environmentally
      > friendly or cheap
      > to run.
      > --
      > Hugh
      >
      > Scoraig, Scotland
      > http://www.scoraigwind.co.uk
      >
      >
      >
      >
      >


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