You do have the secondary air closed, right? In times like this it should be closed.larryfoster wrote:Actually, I had some half decent hot coals when I added last time.
I added, mostly, lumps from the new (bad) coal.
Hotblast Year 3
- SWPaDon
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I opened it when I added the coal.
It was smoking like crazy and I thought I opened secondary to burn off vols.
After a while I poked it to open up some airways from the bottom.
It really smoked then so I had to close it some to keep it from coming out the door
It was smoking like crazy and I thought I opened secondary to burn off vols.
After a while I poked it to open up some airways from the bottom.
It really smoked then so I had to close it some to keep it from coming out the door
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It can be tricky keeping the fire going when ya get rapid warm ups outside.
Mine on the other hand is burning too well. I have a door and window open and it's still 80 degrees in here.
Mine on the other hand is burning too well. I have a door and window open and it's still 80 degrees in here.
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It looks....
Black.
Just kidding, Barney.
Black.
Just kidding, Barney.
- Sunny Boy
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The fact it needs a mouse trap to protect it makes me wonder how good can that coal be ?
Paul
Paul
SW
I have a European bottom combustion boiler that can burn just about any coal.
You load it from the front top door and the coal falls down and only burns on the
bottom,above the grate,and the ash falls to the grate.Combustion air comes from
underneath the grate and goes up to the top and the smoke it produces has to go
back through the the hot coals and combust nearly completely with the secondary
air admitted in the side port. When I show a picture of a blue flame from any coal
Bit or Anthracite I am looking into the secondary air inlet. This works similar to a
wood gasification boiler only with a single chamber for all combustion.
It will burn any wood or coal in the same manner. When you open the upper front
door all you see is raw coal,unless the coal is down all the way, you can actually
handle the coal it is warm but not hot,because only coal at the interface of the ash
and raw coal are burning.This small burning area is where the gases and smoke all
burn up and produce a lot of heat with the hot gases and air coming up and down
with extra secondary to get the blue CO flame. I get very little soot because everything
burns up even the carbon will produce a blue flame at high temperatures.It is best to
keep plenty of coal in the boiler because that keeps the process smooth and does not
disturb the combustion.
BigBarney
I have a European bottom combustion boiler that can burn just about any coal.
You load it from the front top door and the coal falls down and only burns on the
bottom,above the grate,and the ash falls to the grate.Combustion air comes from
underneath the grate and goes up to the top and the smoke it produces has to go
back through the the hot coals and combust nearly completely with the secondary
air admitted in the side port. When I show a picture of a blue flame from any coal
Bit or Anthracite I am looking into the secondary air inlet. This works similar to a
wood gasification boiler only with a single chamber for all combustion.
It will burn any wood or coal in the same manner. When you open the upper front
door all you see is raw coal,unless the coal is down all the way, you can actually
handle the coal it is warm but not hot,because only coal at the interface of the ash
and raw coal are burning.This small burning area is where the gases and smoke all
burn up and produce a lot of heat with the hot gases and air coming up and down
with extra secondary to get the blue CO flame. I get very little soot because everything
burns up even the carbon will produce a blue flame at high temperatures.It is best to
keep plenty of coal in the boiler because that keeps the process smooth and does not
disturb the combustion.
BigBarney
Attachments
- SWPaDon
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Thanks, I was curious because the pictures you showed before just showed the round hole with the flame inside.BigBarney wrote:I have a European bottom combustion boiler that can burn just about any coal.
At first I thought it might be a stoker, but you said you were using 'nut coal' and that didn't make sense. Nut would be big for a stoker.
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- Coal Size/Type: Nuts !
- Other Heating: Oil &electric plenum furnace
Must be the good stuff, huh ?BigBarney wrote:Gotta keep the mice from stealing it !!!!!!!!
BigBarney
Paul
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Senility. Or just blond with ADHD.
Did we decide on whether I should get nut or lumps when I make my Valier purchase?
Did we decide on whether I should get nut or lumps when I make my Valier purchase?
- SWPaDon
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CoalisCoolxWarm wrote:Larry, I used the nut coal from Valier's with pretty good success. It was the best results we had with the least amount of clinkers.
Especially this time of year, have your guy ask the loader to get coal off the TOP of the pile. They will grumble and maybe be a bit indignant, but fines that settle to the bottom of the pile can make troubles in a hand fired.
I understand coal yards want to get rid of it, but I certainly didn't want it. Off the top, fire was pretty stable, good heat, not a lot of hassle. From the bottom (with all season's junk settled there), not so much.
BTW, you wouldn't be the only person with a pile of junk coal sitting around I give it away to anyone who will take it. Lots of fines (from a different source)
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Thanks, Don.
Wasn't sure if my Hotblast changed that.
Wasn't sure if my Hotblast changed that.