[AT] gasifiers

[Bob McNitt]

Charlie's observations reminded me of something a read several months ago. 
As I recall it stated something to the effect that wood acts like a storage 
chamber for ignitable gasses. When it's heated to something like 400 or so 
degrees, the gasses are driven out of the wood, ignite and burn.
Bob in CNY

----- Original Message ----- 
From: "CEE VILL" <cvee60 at hotmail.com>
To: "new atislist" <at at lists.antique-tractor.com>
Sent: Thursday, October 15, 2009 8:26 AM
Subject: Re: [AT] gasifiers




I think I am seeing a parallel between this conversation and the operation 
of my airtight wood stove.  I never before this conversation knew of 
gasifiers as such, but here is the deal.

The airtight in my "TRACTOR" shop (had to get that word in) is not large, 
but it has it's firebrick lined combustion chamber with glass door.  Above 
that is the heat, gas gathering chamber separated by a steel plate with a 
series of about 1/4" (6.35mm) holes in the plate.  This heat box is 
separated from the stack by catalytic bricks through which the emissions 
must pass.  When the stove is operating normally (warmed up), and I get down 
and look at the steel plate, it appears there must be a burner in there 
burning natural gas, although there is not.  Every 1/4 inch hole will have a 
nice blue flame about 2" long burning steadily from it.  In a nutshell, 
these flames are the result of gas collected from wood burning as part of 
the design and function of the stove.  The chimney will have literally no 
smoke emission during burning when the stove warmed up.

Having said that, I think I am seeing a well designed little gasification 
plant at work where the gas is burned on sight.  Comments??

Charlie V. in frigid WNY


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