ashing temp

ashing temp

PostBy: plumberman On: Fri Nov 01, 2013 6:40 am

how/when do you adjust ashing temp on a ahs 130, currently have set at 115F ash looks like white/red/molten slag rice cakes with dust added in?? some coal is still present, not as much when fired up at 140F ash temp boiler is cycling at 160F water temp. thanks for any an all input!!
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw

Re: ashing temp

PostBy: freetown fred On: Fri Nov 01, 2013 8:14 am

what kinda coal you burnin pm?
freetown fred
 
Hand Fed Coal Stove: HITZER 50-93
Coal Size/Type: BLASCHAK Nut/Stove mix

Re: ashing temp

PostBy: plumberman On: Fri Nov 01, 2013 2:36 pm

it suppose to be pea. I bought it threw penn keystone, seems to be unwashed and seems to have its fair share of wood and roots in it. at this point I only have to burn 21.5 more tons of it! last year/this year I bought rice and buckwheat for my son from both harmony and Hudson both of those seem nice and clean. is pea not washed? I am new to this magical burning black rocks. 3 weeks into this and I don't miss the tri axle loads of logs and outdoor boiler!!!!
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw

Re: ashing temp

PostBy: Bob On: Fri Nov 01, 2013 4:24 pm

The temperature setting with the thermograte (SV) is set to get proper fire height. The manufacturer recommends that it not be set lower than 120 but some, including me, have found that a lower setting is necessary to get proper fire height and avoid puff backs.

There is a very long thread on the subject of puff backs in the AHS section of this forum. Interspersed in that very long thread are a number of useful comments about proper fire height. The general rule is raising SV lowers the fire height and lowering SV increases the fire height.
Bob
 
Stoker Coal Boiler: AHS 130
Coal Size/Type: Pea/Anthracite

Re: ashing temp

PostBy: lsayre On: Fri Nov 01, 2013 8:12 pm

If you are not experiencing puff-backs, I would set the SV at 130 degrees and leave it there for the winter. You can drop it to 120 degrees for the summer.
lsayre
 
Stoker Coal Boiler: AHS S130 Coal Gun
Coal Size/Type: Anthracite Pea
Other Heating: Resistance Boiler (if I ever get it fixed)

Re: ashing temp

PostBy: plumberman On: Sat Nov 02, 2013 3:17 am

no puff backs, i guess when cold weather set in i'll bump up ash temp then and see what happens. thanks
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw

Re: ashing temp

PostBy: lsayre On: Sat Nov 02, 2013 6:08 am

I've tried lowering the SV to lower the degree of partially burned coal in the warmer months, and I've seen little benefit from this exercise. In my opinion it's most likely the coal. I was in the same boat this season until it got colder here. Last season I saw no problems during the warm months, as UAE Harmony burned clean to ash even in the summer.

The partially burned coal situation will improve greatly (and will likely go away completely) once you start getting T-Stat heat calls on a more routine basis. But even with the presence of partially burned coal, the AHS is highly efficient. When you compare the coal burned daily over the summer for an AHS, it is mainstream normal with respect to the reports for all of the other boiler types out there. For me the summer difference was about 13.5 to 14 lbs. burned per day for the UAE (with no unburned), and about 15.5 to 16 lbs. per day for Blaschak (with plenty of visible and weighable partially burned stuff).
lsayre
 
Stoker Coal Boiler: AHS S130 Coal Gun
Coal Size/Type: Anthracite Pea
Other Heating: Resistance Boiler (if I ever get it fixed)

Re: ashing temp

PostBy: Rob R. On: Sat Nov 02, 2013 6:29 am

Great advice from Larry. Set the ashing temp. 130 and let it run.

In a few weeks when the boiler is running more often, force it to run for at least 30 minutes. Peek inside the fire viewing port...do you see orange right below the fresh coal on top?

Rob R.
 
Stoker Coal Boiler: EFM DF520
Coal Size/Type: Rice/buck
Other Heating: Dad's 1953 EFM Highboy

Re: ashing temp

PostBy: plumberman On: Sat Nov 02, 2013 2:39 pm

when i look down "the tube" the coal is basicaly flush with bottom of tube, have seen it all black"fresh coal" to 3/4 glowing with some black but it seems to stay up tight to the tube. yesterday 65, today 55, tomorow low 30's will keep eye on it see if it drops down any. thanks
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw

Re: ashing temp

PostBy: plumberman On: Sat Nov 02, 2013 5:09 pm

just gave the domestic hot water a good run, went out and checked fire tube, looks to be about 1 inch of fresh coal laying on top of nice fire bed.
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw

Re: ashing temp

PostBy: Rob R. On: Sat Nov 02, 2013 5:20 pm

Excellent. Let it run and stay warm. :)
Rob R.
 
Stoker Coal Boiler: EFM DF520
Coal Size/Type: Rice/buck
Other Heating: Dad's 1953 EFM Highboy

Re: ashing temp

PostBy: lsayre On: Sat Nov 02, 2013 5:23 pm

It doesn't appear that you are having any problems.
lsayre
 
Stoker Coal Boiler: AHS S130 Coal Gun
Coal Size/Type: Anthracite Pea
Other Heating: Resistance Boiler (if I ever get it fixed)

Re: ashing temp

PostBy: plumberman On: Sun Nov 03, 2013 6:50 am

nothing beats a good doctors report. thanks
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw

Re: ashing temp

PostBy: plumberman On: Wed Jan 22, 2014 7:25 pm

small update, think the unburned coal was burnt[you can crush it with your fingers or just step on it]. some cold temps just set in [-15F] this morning and high of zero today, the last few days the coal i was adding was dusty/dirty. when i got home tonight you could hear noise in chimney with a bunch of soot/fly ash on top of boiler beat the chimney shook the hell out of the magic heater and soot vaccumed out what i could then raised ash temp to 140f and boiler to 180f. so we will see what happens with this cold spell. with below zero temps i'm burning aprox 200 lbs a day, other wise about 80-160 lb average.
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw

Re: ashing temp

PostBy: plumberman On: Fri Jan 24, 2014 6:38 pm

smaller update, chimney still making noise off of stove, due to where ashing plate stopped i could see the funnel plugged up. so i cut the end off of a boiler brush and poked out the tip of the cone with the twisted wire handle. after that i pulled the smoke pipe off of boiler and soot vac out, pretty much cleaned out from the underside, i guess its your choice to clean from top or bottom if this helps out any other newbies good deal!!
plumberman
 
Stoker Coal Boiler: coal gun 130
Coal Size/Type: pea
Other Heating: solar dhw