I thought maybe I'd ask this question on this board as some of you guys may be burning coal in your shops. I volunteer at a local rail road museum and I'm doing a lot of repair work on a caboose with a coal stove. I just bough new pipe as the old pipe rotted out. Its 5 inch pipe and not easy to find and when I found it the sales guy words was it would also rot out if the pipe wasn't cleaned after each use. We probably won't use the stove more than a couple of times a year and I don't know of a good way to easily clean it as the problem would be acid debris inside. My question is does anyone have any tips on what could be done to prevent the pipe from roting out other than dumping a bunch of baking soda into it. Is there anything that can be burnt at the end of the coal fire that would neutralize the acids in the pipe. Does it make a difference on the type of coal used. I've burnt lots of wood but no coal.
- Thread starter Charlie M
- Start date
Bob Collins
Well-known Member
When I was burning coal in my house furnace I needed to replace the flue pipe about every 10 years, they were galvanized 10" pipe. After we switched to propane I used the remaining coal in my shop stove for a couple years, (black 6" flue pipe) and now I burn wood and it is still the original pipe. Must be 14 years old now and because it is straight up and only about 12 feet tall it has never been cleaned. I might need to replace it in a couple years.
Dave Sherburne NY
Well-known Member
Sales guy probably gets his pipe from China. When I was young, about 60 yrs ago we burned coal don't remember replacing the pipe.
Fred Martin
Member
I know of two guys who were coon huntin and they come to an old house in the woods which no one had lived in for years. One climbed up on the roof to look down in the chimney (for the coon)and the other went in the house and was looking in the hole in the chimney. The one on the roof seen the coon down in there and decided that the firecracker in his pocket was the thing to do.He lit her and dropped it in. They found out how to clean the inside of a chimney...but the guy lookin in the hole down below was blacker than the ace of spades...(true story) ohfred
Could you rig a stainless steel liner for the pipe you now have? If it is straight, I bet thin stainless sheet would fit nicely, rolled up with a little bit of overlap. Then the coal stove would look authentic and not modernized.
When I was a kid, we burned coal some of the time in our kitchen range, usually a couple of tons a year. I don't remember ever changing the pipe between the stove and the masonry chimney and it had to be at least 20 years old when my parents quit using the kitchen range and took it out of the house. I do know that the pipe got red hot at least a couple of times, and I learned about not leaving the draft open...but it didn't seem to damage the thin, black stovepipe.
My brother now has that kitchen range in his house, and it is probably hot as I type this. I miss having a wood/coal burner in my house, but we converted to natural gas when we built the new house.
Maybe stove pipe today isn't as good as what we had in the 50's and 60's. Good luck!
When I was a kid, we burned coal some of the time in our kitchen range, usually a couple of tons a year. I don't remember ever changing the pipe between the stove and the masonry chimney and it had to be at least 20 years old when my parents quit using the kitchen range and took it out of the house. I do know that the pipe got red hot at least a couple of times, and I learned about not leaving the draft open...but it didn't seem to damage the thin, black stovepipe.
My brother now has that kitchen range in his house, and it is probably hot as I type this. I miss having a wood/coal burner in my house, but we converted to natural gas when we built the new house.
Maybe stove pipe today isn't as good as what we had in the 50's and 60's. Good luck!
MarkB_MI
Well-known Member
- Location
- Motown USA
If you google on "chimney liner" you'll find plenty of outfits that sell stainless steel chimney pipe. Here's one site that has five inch rigid 304 stainless pipe. I just bought a liner kit from them last week and recommend them highly.
Rigid stainless pipe at Rockford Chimney Supply
Rigid stainless pipe at Rockford Chimney Supply
MarkB_MI
Well-known Member
- Location
- Motown USA
Anonymous-0
Well-known Member
I built my shop chimney out of an old well casing - it should outlive me.
oliver power
Member
If useing stainless, use 316, not 304. 304 will corrode with coal. Corrosion will very depending on moisture content in air. In my shop, I can figure on replacing pipe every year, if I don't disconnect, and spray with baking soda & water. In the basement, I can go about 5 years. I now use baking soda & water every year.
cb in wisc
Member
Used to burn coal here in the plant where I work and I have gone through a semi-truck load in eight hours. Hope I never see the stuff again.
Anonymous-0
Well-known Member
You can get refractory cement for lining fire boxes. One type holds the heat and the other type acts more like an insulator(same idea as fire brick). Maybe something like that could be brushed(painted) on the inside of the pipe? Dave
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