Hi Ken,
The tall chimney is not to disperse pollutants, but to generate a
powerful draft at the hearth, like on a jet stove but without the motor.
Best,
Bob Stuart
On 03/08/2010 12:26 AM, Ken Gotberg wrote:
Hi Bob
I don't know if you've ever been in a
developing country, but tall chimneys are not required. The foliage
can either be eaten by incests where it turns into CO2 after a while
or it can be burned where it also turns into CO2, but we used it to
boil water.
I've already talked about solar and you
can see my answers there. Thanks for the info about the book, I'll
take a look at it when I have time.
Ken Gotberg
--- On Sun, 8/1/10, Bob Stuart<[email protected]> wrote:
From: Bob Stuart<[email protected]>
Subject: Re: [Gasification] Can use some help with stoves
To: "Discussion of biomass pyrolysis and
gasification"<[email protected]>
Date: Sunday, August 1, 2010, 1:17 AM
Welcome, Ken.
If your installation is big enough to warrant a tall chimney, plain old
burning can be pretty efficient. If you want to be nice to the planet,
perhaps the best thing to do is to produce biochar, depending on your
local soil conditions. It isn't hard to get 200 deg C from a simple
solar oven, but it takes a lot of area to collect the heat of a small
fire. You probably don't need to get up to boiling temperature,
especially with a wet mix at the beginning of regeneration. Just
provide a controlled air vent. For those temperatures, you don't need
precision focusing, just a bit of glazing for insulation.
Regarding the physical side of building things, I heartily recommend
J.E. Gordon's books on structures and materials. The best is probably
"Structures" but they all overlap and cover all topics. His stories are
both entertaining and educational, and the writing is superb.
Bob Stuart
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