Re: [microhydro] REFRIGERATORS AND OTHER DREAMS
- 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.
> 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
> >fuel burner evaporates the coolant, which then
> recondenses and cools the
> >unit. I believe these units use a different
> coolant, perhaps ammonia.
> >one of these could be adapted, with an electric
> heater replacing the
> >and then you could run the heater off your hydro
> power. This would
> >require less power than running the compressor on a
> normal refrigerator,
> >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.
> Scoraig, Scotland
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