[Stoves] old patent-paper about a saw-dust stoves
Kevin
kchisholm at ca.inter.net
Mon Jan 17 03:22:20 CST 2011
Dear Mark
Thanks very much for the "summarizing explanation."
It almost seems that the Sawdust Stove is simply a great big forerunner of Richard Stanley's Holey Briquette, and Tom Reed's TLUD.
Thanks also for the Wood Stove Compendium Site Reference. Very interesting indeed!
Best wishes,
Kevin
----- Original Message -----
From: Marc Pare
To: Discussion of biomass cooking stoves
Sent: Sunday, January 16, 2011 11:09 PM
Subject: Re: [Stoves] old patent-paper about a saw-dust stoves
I plodded through the bioenergylists archives looking for sawdust stove discussions a few months ago in the hopes of finding information the would be helpful for natural draft rice husk stoves. I believe the most fruitful thing to search for is "WWII sawdust stove"
I only found one class of design: an outer cylinder and inner tube. You light the sawdust from the bottom and the inner tube draws air to sustain the combustion. It is possible to just use a stick and pack the sawdust instead.
There are a few stoves in A Woodstove Compendium that operate on this principle. I had some Bolivians draw me such a design when they visited our group in Atlanta. Apparently they are rather commonly used for drying/curing operations.
It's not hard at all to get them going. In fact, we melted a few of our sheet metal cylinders because they would go out of control. Made some nice looking sculptures as a result.
Has anyone had different experiences? I was not able to find anything recent on sawdust (and other fine bio-material) combustion in cook stoves.
Marc Paré
B.S. Mechanical Engineering
Georgia Institute of Technology | Université de Technologie de Compiègne
my cv, etc. | http://notwandering.com
On Sun, Jan 16, 2011 at 5:38 PM, Kevin <kchisholm at ca.inter.net> wrote:
Dear Martin
Thanks for the interesting Patent. Would you be kind enough to describe how the stove is intended to work, for the benefit of us who don't read German?
Thanks!
Kevin
----- Original Message -----
From: Boll, Martin Dr.
To: stoves at lists.bioenergylists.org
Cc: 'Frans Peeters'
Sent: Sunday, January 16, 2011 4:44 PM
Subject: [Stoves] old patent-paper about a saw-dust stoves
Dear stovers,
Possibly there is still some interest in old-fashioned saw-dust-stoves, even only to know about-
Occasionally I found an URL about an Old German patent for equipment to use saw-dust-stoves as well to burn wood-logs and coal.
Cover-sheet with the description for the intention of the insert (“Einsatz”)
http://www.collection-appareils.fr/brevet/Kaftanski/DE423728/page1.pdf
Drawings with description:
http://www.collection-appareils.fr/brevet/Kaftanski/DE423728/page2.pdf
Sometimes progress can happen by altering old ideas.
Let the stovers know if you would like to modernize it for whatever purpose.
Best wishes for the New Year!
Regards
Martin
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