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General Metalworking - All aspects of working with metal.
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Posted by spaco on March 19, 2008, 10:26 am
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Is there any interest in wood gas cogeneration of electricity on this
newsgroup? That's where you cook wood and use the combustible part of
the gases to run an internal combustion engine to make electricity.
Is there any ng of this type around?
Pete Stanaitis
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Posted by Up North on March 19, 2008, 10:42 am
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"spaco" > wrote in message
> Is there any interest in wood gas cogeneration of electricity on this
> newsgroup? That's where you cook wood and use the combustible part of
> the gases to run an internal combustion engine to make electricity.
>
> Is there any ng of this type around?
>
> Pete Stanaitis
> -----------------
I have been thinking about this same thing. My thoughts were to build a
furnace similar to this one and use some of the wood gas to operate a gas or
diesel genset. http://www.greenwoodfurnace.com/ There are some plans on the
internet for wood gas generators. It seems during the last gas scare the
government funded studies on this subject. I have looked at some of the
contraptions that have been built to feed vehicles but to have a wood burner
on the back of your car seems kind of ungainly. It seems compressed wood gas
or an electric car charged by a wood gas fueled genset might be a better
alternative.
Steve
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Posted by Ignoramus30927 on March 19, 2008, 11:07 am
Please log in for more thread options The so called "wood gas" is carbon monoxide, with all related safety
issues. Something to be kept in mind. Not as big deal on a moving
vehicle, but a big deal with a furnace type use.
i
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Posted by Bruce L. Bergman on March 20, 2008, 12:51 am
Please log in for more thread options On Wed, 19 Mar 2008 10:07:20 -0500, Ignoramus30927
>The so called "wood gas" is carbon monoxide, with all related safety
>issues. Something to be kept in mind. Not as big deal on a moving
>vehicle, but a big deal with a furnace type use.
Yeah, there's some potential disaster in using that, and then
there's all the sludge and other gack that doesn't vaporize that you
are going to have to deal with somehow.
Might be a whole lot safer and simpler to build a wood fired steam
boiler and use a small steam engine to drive the generator. Also a
good source for steam space heating and process heat.
If you want it to run automatically when unattended you could have
it switch to wood pellets or chopped corncobs, etc., and an
auto-stoker. The safety controls part (low water shutdowns, etc.) is
already time tested and proven safe WHEN USED AS DIRECTED.
Gee, I wonder if you could build a stoker that would feed dried tree
chippings - you can get them for free. But they would have to be in
covered storage to get dry and stay dry.
Lots of small boilers run totally unattended except for startup and
shutdown. Granted, most of them are burning oil or natural gas.
And you can get a non-hermetic compressor and have the steam engine
drive a refrigeration compressor for space cooling - build a big
ice-bunker tank and you only have to fire the boiler once a day to
keep the house cool.
--<< Bruce >>--
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Posted by Wes on March 19, 2008, 12:47 pm
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>Is there any interest in wood gas cogeneration of electricity on this
>newsgroup? That's where you cook wood and use the combustible part of
>the gases to run an internal combustion engine to make electricity.
>
>Is there any ng of this type around?
>
>Pete Stanaitis
>-----------------
Sure, go for it. I notice when I make charcoal by filling two 3# coffee
cans with wood bits, hammering one over the other, and poking a few holes in
the cans, an impressive amount of gas is liberated while cooking away over a
small fire.
http://garage-machinist.com/usenet/rcm/charcoal.jpg
Not terribly efficent but on a fall day, a few brews in hand it was nice to
sit by the warm fire and make some charcoal for heat treating experiments.
This does seem like something best done in winter were you get both heat and
combustable gas.
Wes
--
"Additionally as a security officer, I carry a gun to protect
government officials but my life isn't worth protecting at home
in their eyes." Dick Anthony Heller
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> newsgroup? That's where you cook wood and use the combustible part of
> the gases to run an internal combustion engine to make electricity.
>
> Is there any ng of this type around?
>
> Pete Stanaitis
> -----------------