Little Explosion in the Hyfire

Little Explosion in the Hyfire

PostBy: theo On: Sun Apr 01, 2012 9:55 am

I want to make this sweet and short, the better-half just told me that Friday night she heard a Explosion inside the coal stove,sounded like something hit the wall of the stoker from the inside. Well i have been thinking about this all heating season, i had my bulk coal dumped in my limestone driveway with plastic under it. Well scoupping and hand shoveling it up to put into the coal bin i may have grapped some limestone along with the coal. I do know that if you heat a piece of limestone with a torch it will pop,,,and to the better-half that would be a Explosion :D I've checked every thing out and every thing else looks ok,,,maybe with the warmer temps the chimney wasnt drafting like it should have been ( i have been keeping close watch on it since it warmed up, i'am always checking the draft with the guage ) and is it possible i had some gases build up and blow like a hand-fired stove ? I'am really leaning towards a piece of limestone theory, Like i mentioned earlier, i've thought about this all heating season ( trying to make sure there was no limestone in the coal ) My biggest worry was one would pop and brake out the glass window,,,, then what would happen ? Well i think i may have slacked some toward the end of the season,,,,,,,,,, :gee: :doh: :surrender:
theo
 
Stove/Furnace Make: LL
Stove/Furnace Model: Hyfire 2

Re: Little Explosion in the Hyfire

PostBy: Dennis On: Sun Apr 01, 2012 10:13 am

The limestone theory may be true. When we layed some limestone veneer from Ohio, when cut or broke it would smell like sulfer or petrolium. I don't know if stone itself would explode, but if there is moisture in the stone the moisture will make the stone expand and pop/crack.
Dennis
 
Hand Fed Coal Boiler: AHS/WOC55-multi-fuel/wood,oil,coal
Coal Size/Type: Anthracite/stove size

Re: Little Explosion in the Hyfire

PostBy: Lightning On: Sun Apr 01, 2012 1:27 pm

I've had some snaps in my furnace too, usually about 15 minutes after putting fresh coal in. I'm thinking it could be pockets of moisture inside a piece of coal that is expanding and busting that piece into fragments. I also hear the fragments bouncing off the inside of the fire box lol. Reminds me of a rock popping in a camp fire 8-)
Lightning
 
Hand Fed Coal Furnace: Clayton 1537G
Coal Size/Type: Nut/Stove Size Mix

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Re: Little Explosion in the Hyfire

PostBy: WNY On: Sun Apr 01, 2012 4:39 pm

Usually doesn't happen in a stoker, maybe you got a piece of limestone or a rock and it got hot enough to explode or pop. Usually you don;t get much if any volatiles in a stoker that would cause and explosion (you just see the blue ladies dancing and burning off), since you have an open flame all the time, unlike a hand fed when you load it up and you have to burn off the volatiles and if you smother the flame a bit, take a bit to get re-ignited.
WNY
 
Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
Coal Size/Type: Rice
Stove/Furnace Make: Keystoker, LL & CoalTrol
Stove/Furnace Model: 90K, Hyfire I, VF3000 Soon

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