AA130
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- Stoker Coal Boiler: EFM 350
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- Coal Size/Type: rice
no flyash out of my baro don. i have a power vent on my reading stoker.
- swyman
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- Stoker Coal Boiler: Axeman-Anderson 260M Leisure Line AA-220 Boiler (FOR SALE)
- Coal Size/Type: Lehigh Pea
No fly ash coming out the baro but I do get some coming out the PV. Just thinking if moving baro locations would have an effect (reduce) my flay ash. My theory is this, I have my baro located right off the Tee on the boiler breech. The baro is set at -.04" but usually I set the rheostat on the power vent so it is pulling a little more than that so the baro gate is bouncing a bit.....it can fluctuate a little bit so I would rather have a little extra draft than not enough for safety reasons. So I would think that if I'm pulling in extra air through the baro gate, the velocity has to be greater down stream of the baro? Which if that was the case could accelerate the fly ash through the stove pipe? Am I over thinking this stuff?StokerDon wrote: ↑Wed. Jan. 17, 2018 6:59 pmThanks!
I sorry to say I don't know much about power vents, but I also don't understand your question about fly ash. Do you have fly ash coming out your baro?
My baro is at the base of the chimney on this one because I had to put it in the 8" part of the stove pipe. It's a 7" baro. The rest of the pipe is 5".
-Don
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Yes you are overthinking it.
The Baro will steady everything downstream either way, and the flyash is just a coal burning by product.
The Baro will steady everything downstream either way, and the flyash is just a coal burning by product.
- hotblast1357
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Always going to have flyash, hook a leaf blower to the stove pipe to blow out fly ash if it’s to much of a pain lol
- StokerDon
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Not a chance. Fly ash is produced by burning coal, the location of the baro has nothing to do with it.
Your not over thinking at all, your just thinking about the wrong thing. Like I said earlier, I don't know much about power vents but in my opinion, you should be thinking about putting up a masonry chimney. That way you wouldn't have to deal with the pain and suffering of this power vent thing.
With a masonry chimney, stoker at idle, the draft is very small. At full fire, the draft increases and the baro keeps it from pulling to much heat out of the boiler. It sounds like a power vent pulls heat out of the boiler constantly at idle.
-Don
- swyman
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- Coal Size/Type: Lehigh Pea
You know I didn't really think of this but I think you are absolutely correct as the draft never changes. When my boiler goes into low fire mode my firebox pressure goes from -.01 to -.04. That is pulling all that heat out of the boiler when idling isn't it?
- coaledsweat
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This is why they invented chimneys.
- hotblast1357
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Wire it up to slow down at idle, and kick up when the combustion fans come on.
- lsayre
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That may not be safe.hotblast1357 wrote: ↑Fri. Jan. 19, 2018 7:57 amWire it up to slow down at idle, and kick up when the combustion fans come on.
- hotblast1357
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Well it would have to be done safely of coarse!
- windyhill4.2
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^^^
Make it your top priority goal to build a chimney as soon as you financially can do it.
Meanwhile,let the stupid power vent do it's wasteful job.... safely,don't try to re-engineer what it does.
- McGiever
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Hrmm....deja vu...PV a heat waster...think we expressed all this out in the barn some time ago too...
- windyhill4.2
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- lsayre
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And since the AA130 functions much like a hand fired stove when at idle, it is not possible to install a power vent on it at all. I shouldn't have propagated this within this thread either.windyhill4.2 wrote: ↑Fri. Jan. 19, 2018 10:49 amI just woke up (mentally) & realized we are talking about stupid power vents on SD's AA130 thread..... oops
- McGiever
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- Location: Junction of PA-OH-WV
- Stoker Coal Boiler: AXEMAN-ANDERSON 130 "1959"
- Hand Fed Coal Boiler: BUCKET A DAY water heater
- Hand Fed Coal Stove: Warm Morning 414A
- Coal Size/Type: PEA,NUT,STOVE /ANTHRACITE
- Other Heating: Ground Source Heat Pump and some Solar
And that plus not running any hold-fire-timer w/ a AA_130 plays largely into not burning extra coal just to stay alive.
Most, if not all, other stokers must idle...AA's 'hibernate'