[Stoves] Grates and chimneys
Xavier Brandao
xvr.brandao at gmail.com
Tue Feb 7 16:59:35 CST 2012
" It is unfortunate that people produce stoves that have chimneys, but are
not actually clean-burning."
Do we actually have chimney stoves that do not clog up after few
months/years? Even the cleanest stoves? Is it a good idea to build chimney
stoves at all?
"Your grate price is good! I think we should be jealous! It would be so
nice to be able to get good parts in cast iron."
Hell yes, I can make 1 dollar iron grates, but I wish we could make 1 dollar
cast iron grates in Benin. In fact, cast iron is very rare in Benin (West
Africa? Africa?). When Africa will have the industrial production capacities
of Asia, things will change!
-----Original Message-----
Message: 4
Date: Tue, 7 Feb 2012 00:14:57 -0500
From: "Crispin Pemberton-Pigott" <crispinpigott at gmail.com>
To: "'Discussion of biomass cooking stoves'"
<stoves at lists.bioenergylists.org>
Subject: Re: [Stoves] advice for chimney wood stove for rural Burkina
Faso
Message-ID: <015301cce557$70642af0$512c80d0$@gmail.com>
Content-Type: text/plain; charset="us-ascii"
Dear AD
Your story is not very unusual. It is unfortunate that people produce stoves
that have chimneys, but are not actually clean-burning. My point is that
just because one produces a chimney stove is no excuse not to use that
additional expense to create the draft needed to completely burn the fuel.
Astonishing really.
I wonder if there is too much emphasis on 'clean indoor air' without enough
emphasis on 'not needing to worry about clean indoor air' in the first
place.
That level of deposition is depressing. I heard about a stove being produced
in the tea country high in Kenya which is used for space heating and
cooking, According to the designer the 3 inch chimney would clog after three
months. That is ridiculous! What kind of crummy combustion is that?
A chimney is as good as a fan - especially 3.5 metres. Fan stoves are
supposed to be really clean or you have not done a good job. Shoving bad
combustion outside does not solve much. The situation in Ulaanbaatar is
exactly like that. No one has a stove without a chimney. The air outside is
so polluted that it is contaminating the air drawn into the homes. So the
chimney solved nothing - the problem is the stove.
Your grate price is good! I think we should be jealous! It would be so nice
to be able to get good parts in cast iron.
Thanks
Crispin
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