Shorter Fire Box

Modern and vintage hand fired coal stove are similar to a wood stove and in some cases can burn either. They need to be regulated and fed by hand usually every 12 to 24 hours depending on your usage. They require no power to operate making them ideal for rural settings with long power outages.
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gitrdonecoal
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Posts: 491
Joined: Fri. Oct. 16, 2009 4:35 pm
Hot Air Coal Stoker Stove: Keystoker 90
Stove/Furnace Make: USSC
Stove/Furnace Model: Hotblast 1557
Location: Elba, NY

Post Wed. Nov. 26, 2008 5:29 pm

hey, I hear a lot of people on here making their fire boxes shorter in their USSC hotblast and claytons. what did ya all do to do that?
coal, the future of america

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LsFarm
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Posts: 7385
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 Wed. Nov. 26, 2008 6:05 pm

Since you still need your shaker grate to work, and you have to block off ALL the air from coming through the blocked off grate, I used a 1/2" thick plate of steel that rested on either side of the grate, leaving enough room underneath for movement of the shaker. The plate sealed off the air against the back wall of the firebox.
I then made a framework to hold a stack of firebrick, the framework had a 'foot' or base that rested on the 1/2" plate.. This framework formed a new back wall for the firebox.. In my boiler [Big Bertha] I reduced a 50" long firebox down to 24-26". This back wall was two firebrick high, allowing an 18" deep fire at the back of the fire..

Here is a photo of my firebrick back wall..
firebox1.jpg


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?

BIG BEAM
Member
Posts: 723
Joined: Fri. Jan. 25, 2008 9:34 am
Stove/Furnace Make: USS Hot blast
Stove/Furnace Model: 1557M
Location: upstate NY

Post Fri. Nov. 28, 2008 3:59 pm

Mudman,
Why would you want to do that?Is your draft poor when you idle the furnace?
DON

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bluegas
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Posts: 4
Joined: Sun. Sep. 14, 2008 6:05 pm
Stove/Furnace Make: Eko-Vimar Orlanski
Stove/Furnace Model: Ekocoal-36

Post Fri. Nov. 28, 2008 4:32 pm

I blocked off half of my boiler firebox because I don't need all that heat at this time of year. Mine is easy to block or open as I have a wet grate boiler no shaker grate to deal with.

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gitrdonecoal
Member
Posts: 491
Joined: Fri. Oct. 16, 2009 4:35 pm
Hot Air Coal Stoker Stove: Keystoker 90
Stove/Furnace Make: USSC
Stove/Furnace Model: Hotblast 1557
Location: Elba, NY

Post Sun. Nov. 30, 2008 5:43 am

i don't need the whole fireblx either, especially when its above freezing out.
coal, the future of america

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