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QUESTION:I just scored a gently used 100mbtu Jenson wood fired boiler which I
plan to use as an otdoor stove and run piping to the house.
I plan on running antifreeze in the parts external to the house and
perhaps the whole system if I don't use it for potable water.
Anybody wanna give me some pointers or relate their experience so I
don't reinvent the wheel I am all ears.
ANSWER: If you are only heating the water to below boiling, that that is one thing.
But if the water will be turning to steam, then watch out! Steam running
through pipes is a whole subject in itself. There are entire books on the
subject. Steam of course expands greatly. If the pressure builds too much,
then Kaboom!
If you can, go look at a steam boiler system in a building. Note all the
special valves and gizmos in the piping. These things are there to keep the
system supplied with water, to regulate the steam, and to provide safety.
Then you may need large sized pipes depending on what type of piping system
you use. Some systems have bi-directional pipes. Steam flows one way -
water the other, so the pipes need to be large.
Then the height of the boiler in relation to the pipes can be a factor to
proper operation. Some buildings have the boiler installed a few feet below
the level of the basement floor. If the boiler was installed at floor
level, it would not work! Links follow...
http://www.bellgossett.com/Press/art.html
http://www.acestimates.com/boil.htm
http://www.bhes.com/frbb0Home.htm
http://www.powells.com/subsection/EnergySteamEngineering.html
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