Re: SIMPLE CHARCOAL MAKER...

[Dan and Barbara Gill <dgill@oonl.com>]

Thanks Tom and Ron for the kudos. I have done quite a bit of work with
this retort idea since the initial report. I have designed a simple
system capable of gas capture or burning and heat recovery. The system
is based on a 55 gallon drum retort and a fabricated steel or cast iron
cap or base. I had considered patenting the system and marketing the
concept and castings. Since I have a lot of projects and interests, I
have decided to publish the system on my web pages in hopes that the
world community will find it useful. I only ask that I be given credit
if my design is used. 

I decided to concentrate on using the 55 gal drum retort as it is
universally available and holds much more than the 30 gallon drum. It is
also closer to the limit of surface area to volume ratio for complete
pyrolysis of wood chunks. I would think that more insulative and
"packable" biomass, such as coconut hulls, wood shavings, and bagasse,
would require a smaller retort such as the 30 gallon drum. I'll see
about getting these materials up within a few days and letting
participants know.

Dan

Tom Reed wrote:
> 
> Dear AllKohlers:
> 
> Whether you are in bioenergy, stoves, or gasification, you can't get thermal
> energy from biomass without passing through pyrolysis, so this
> http://www.velvitoil.com/Charlog.htm
> is a fascinating experiment we can all learn from.
> 
> 1)  It is a clear report of the two experiments with nice pics and I could
> repeat them without problem in my back yard in less than a day.
> 
> 2)  What a wonder is the Web that hundreds of people could share this
> experience with Greg and April in a day.  And probably a dozen or more will
> try some variation in a few days.
> 
> 3)  An impressive yield of probably good cooking charcoal from a zero cost
> (except labor) apparatus.
> 
> 4)  I don't know many people who keep such good records (but I have a number
> of notebooks full).
> 
-- 

http://www.velvitoil.com/index.html
Barbecue, curing and smoking meat, Woodworking and more

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