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  • From: John Fritz <johnfritz77@yahoo.com>
  • To: permaculture@lists.ibiblio.org
  • Subject: [permaculture] Beyond combustion in Russian Stoves
  • Date: Sat, 11 Feb 2006 18:02:13 -0800 (PST)

Scott

Are you aware of anyone in the U.S. who is using Jean Pain's methods of
heating water and living spaces? Specifically, using the methods he and his
wife demonstrated in their collaboration, Another Kind of Garden, in which
forest thickets are shredded (not chipped) with a specialized type of
machinery and the resultant biomass is composted in huge, 50 ton piles.
Inside these piles are coils of tubing and holding tanks filled with water
that extract the heat of the composting process. This water is then routed
to radiant floor heating tubing in the residence and also used for hot water
use.

This process is populat in France, at least among that country's PC
community.

John Fritz, NW Arkansas.

Message: 3
Date: Fri, 10 Feb 2006 11:28:08 -0700
From: Scott Pittman <pci@permaculture-inst.org>
Subject: Re: [permaculture] Russian Stoves, Kachel Offen
To: permaculture@lists.ibiblio.org
Message-ID: <43ECDB38.90000@permaculture-inst.org>
Content-Type: text/plain; charset="iso-8859-1"

According to the history I read, the Russian Stove was developed in the
17th century in response to a balance of payment crises in Great
Britian
due to the import of wood from Norway. A contest was held for the most
energy (fuel) efficient appliance, the famous fireplace designer Count
Rumford, was one of the participants. Out of this contest came the
mass
heater ( though Russians claim that they had been using a similar
heater/cooking appliance for centuries prior to this).

As designed in most of northern Europe it is fired twice a day with a
bundle of faggots and burned at temperatures reaching 1800F. Once it
has burned all of the fuel the stove is closed and becomes air tight.
The high temperature guarantees maximum combustion of the fuel and
concomitant gases so that there is little to no emmisions from the
chimney. The flue is constructed in a serpentine manner so the heat
has
to pass through many turns, passing on the heat to the surrounding
mass. There are usually small ovens along the flue which take
advantage
of the differences in temperature for different tasks. One might be a
slow cooker, another a bread oven, and finally a place to dry gloves
and
socks.

In many of the homes I visited the stove was the central corner of four
rooms coming together so that the radiant heat was dispersed into each
room. If you can imagine a square divided into four squares and the
stove in the center. Often there was room on top of the stove for a
bed
to accommodate small children or Grandma. A well designed and built
Russian Stove is supposed to be the most efficient stove known reaching
energy coversion ratios comparable to the water wheel around 95 percent
efficiency.

I built one in my house which is very efficient, and allows heating
fuel
self sufficiency because it uses small branches which are constantly
regenerating on both fruit trees, wind breaks, and shade trees.

Scott Pittman


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