RE: Wonderful Fans/extra water

["Gavin Gulliver-Goodall" <Gavin@roseplac.worldonline.co.uk>]

Ken et al,

If we raise steam from our stove to create a forced draft then:
1) We will need an alternative forced draft during initial steam raising
2) We will need a SAFE steam boiler and a means of topping it up /auto
dowsing the fire to avoid boiling dry and explosion risk
3) We will use a proportion ??how much?? Of the heat from our stove to raise
the steam-

Will the added complication and expense justify the clean burning rather
than use of a flue?

Cheers
gavin

Gavin Gulliver-Goodall
3G Energi,

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-----Original Message-----
From: kenboak@stirlingservice.freeserve.co.uk
[mailto:kenboak@stirlingservice.freeserve.co.uk]
Sent: Tuesday, June 04, 2002 11:11
To: stoves@crest.org
Subject: Re: Wonderful Fans/extra water

Stovers,

Despite a period of absence from the list, I have been following your
discussion regarding fans.

Might I suggest a simple idea using a jet of steam to entrap a greater
volume of air up through a chimney and thus creating a forced draft using
the steam ejector principle.

Alternatively using 2 computer fans mounted on a common shaft, one being
driven by the jet of steam in turbine mode, the other used as a fan to
create the draft.  We used to make steam turbines as kids from old cocoa
cans - before we had the luxury of computer fans with precision bearings.

On a completely different subject,  when bone dry wood is "roasted"  in an
oxygen depleted atmosphere, and begins to pyrolise - will some of the
byproducts of pyrolysis break down to create additional water vapour as a
results of the chemical cracking of the cellulose material?

I recently observed a great deal of water vapour released from a "dry" wood
sample - much more than I expected, and I wondered if other Stovers had had
experience of this.


regards,


Ken Boak




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