Hi all. I am burning two year old split and dried Ash in my tarm boiler and I am getting a huge amount of ash build up in the bottom of my boiler,in the ceramic tunnel,on top of exchange tubes and in flu collar and stove pipe prior to the Class A. The Class A is completely clean except for a light layer of dust. So far this winter I have almost filled a 55 gallon drum with ashes. Is this normal?
ALOT OF ASHES WITH ASH
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Might get better responses in the boiler room. That being said I burn 3 yr old ash and barely have 10 gals from 24/7 burning (starting Dec. 20)in a Jotul insert. Not even 1 1/2 cords used.It is a light fluffy ash though.
Will
Will
I find that ash leaves fewer coals than other hardwoods. i've never noticed more ash at the end of the burn.
jebatty
Minister of Fire
Perplexing - have you inadvertently changed your primary/secondary air settings? I place the lever in the middle and forget it. Is your gasification robust and roaring as seen through the sight glass? I'm currently burning mostly aspen, which is the most ash producing wood I've found, and 6 hours of burn is about 1-2 cups of powdery ash. If I burn pine, closer to 1 cup of ash for 6 hour burn. I brush the HX tubes every two weeks, and only a light coating of ash on top of the HX tubes. Do you have the metal ash collecting box that Tarm provides? ... about 8 x 10 x 12. So far this season I've filled that 4 times, and now on my fifth. All together that would only be a few inches on a 55 gal barrel.
Jim K in PA
Minister of Fire
I have found that our eastern white ash leaves the most ash behind after a burn in my GARN. I don't burn a lot of it, but last season and this season I had some, and it exhibited the same increased volume of relatively low density ash. Eastern white pine leaves the least ash of any wood I burn - virtually none. Oak/Maple/Walnut somewhere in between.
I have been burning wood a long time and have always noticed the amount of ash ash leaves behind. I always wondered if that was how it got its name. The absolute best firewood I have ever burned is what we call ironwood. Have never used it in the gassifier but burned forever in the old wood stove!
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