What Temperature Is a Coal Fire?

This forum is for common products and questions such as chimney installations, CO detectors, coal bin designs and a variety of other general topics that do not fit into the other forums.
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Short Bus
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Posts: 510
Joined: Sun. Jan. 10, 2010 12:22 am
Stoker Coal Boiler: Kewanee boiler with Anchor stoker
Coal Size/Type: Chestnut / Sub-bituminous C
Other Heating: Propane wall furnace back up only
Location: Cantwell Alaska

Post Mon. May. 30, 2011 1:18 pm

With my coal the T250 temperature is 2320 F, I think that is about when the ash melts into clinkers.
Intial defromation or Red is 2150 F, not sure what that means but I have seen red coal fire beds that seamed soft when poked.
I think a blower or real good draft is needed to get that last 200 degrees.
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LsFarm
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Joined: Sun. Nov. 20, 2005 8:02 pm
Stoker Coal Boiler: Axeman Anderson 260
Hand Fed Coal Boiler: Self-built 'Big Bertha' SS Boiler
Baseburners & Antiques: Keystone 11, Art Garland
Location: Michigan

Post Tue. May. 31, 2011 1:32 pm

I agree with Lisa, find an inexpensive coal stove and pipe it into the exsisting flue. Having the fire in a box, which allows good control of combustion air and burn rate, and provides six sides of the box to radiate heat to the room, all will be much more efficient at heating the place. And safer too, an open grate requires a lot of open draft to pull the coal fumes out of the house, which really cools the house from infiltration of cold outside air.

Take a look at the Favorites' forum for the thread: pictures of stoves.. lots of ideas and instalations there.

Greg L
Burning Pea/Buckwheat through an antique stoker [semi retired SSboiler],
Running an Axeman-Anderson 260M boiler burning Pea, About 150-250#per day
Farming, Fixing, Fabricating and Flying: 'spare time' what's that?


nedge2k
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Joined: Sun. May. 29, 2011 9:13 pm

Post Tue. May. 31, 2011 2:35 pm

cheers guys, will bear it in mind!

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