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Old 01-03-2019, 06:46 PM   #61 (permalink)
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I have been starting to use the anthracite coal.
It burns very cleanly, no smoke as compared to burning wood, almost no sulfur.
The main problem is just getting it started.
My dad used to sell that kind of coal as a living

Couple pages of a paper and some small wood chips should do it.
You do need a good chimney though.
A BBQ starter should work, too

You can sort-of measure coal quality by hardness & shine.
The harder and shinier, is usually the better.
Should take a fair bit of force to crumble two chunks when pressed together.

You can also "hear" coal quality when pouring it out on a concrete floor, into a stove chute, or onto itself - if it sounds kind-of metallic, it'll be OK.
It should also give off little dust


Dull, brittle coal, crumbling easily, making a lot of dust, is rubbish and makes a notably softer noise when poured out.


Quote:
I'm sure the cheap stuff burns pretty dirty
Usually does, yes.
It'd also burn quicker and leave far more residue - meaning it'd still cost as much to heat the same place ... if not more, and you'd need more trips getting it.

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Old 01-03-2019, 07:00 PM   #62 (permalink)
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Burning an sappy piece of cider is like soaking a log in used motor oil then burning it.
Burning pine/spruce lumber scraps can burn with a lot of black smoke.
Burning wood may be a cheap renewable heating option, it's definitely not without its own ecological issues ...

Fine particulate matter being one of these.

Tree saps are another
You might find sap drips downwind from your chimney.
The dioxines or poly-aromatic carbons (PAC) you wouldn't see.

Generally, a stove can't be run hot enough to get rid of those.
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Old 01-04-2019, 12:28 AM   #63 (permalink)
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I put in a chimney that sticks up about 3 meters above the roof line. Building code mandates 1.25 meter or so.

The stove pipes fit inside each other here and the condensed saps run back down into the coal furnace.
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Old 01-06-2019, 12:32 AM   #64 (permalink)
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Another month, another electric bill.
Not counting the power the leaf uses, I'm down to about 1/3 what I was using last winter.
The wood stove will pay for its self this winter and the coal furnace will be well on its way to paying for its self.
I'm glad I didn't wait another year.

The coal furnace has only burned about 100 pounds of coal. Most of that was just figuring out how to get the coal burning.
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Old 01-06-2019, 04:50 PM   #65 (permalink)
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Originally Posted by oil pan 4 View Post
Another month, another electric bill.
Not counting the power the leaf uses, I'm down to about 1/3 what I was using last winter.
The wood stove will pay for its self this winter and the coal furnace will be well on its way to paying for its self.
I'm glad I didn't wait another year.

The coal furnace has only burned about 100 pounds of coal. Most of that was just figuring out how to get the coal burning.
Never really thought about it. How do you start the coal burning? By the way, did you wash it first? Got to use clean coal.
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Old 01-06-2019, 06:03 PM   #66 (permalink)
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The coal is clean, it's still wet.
I think if I open up a bag or 2 and let it air dry will help a lot too.
To get the coal going it looks like I need a really big wood fire going such as a fire box full of oak pallet slats and just as the wood is turning to charcoal, right about the time it's ready to break apart start adding the coal layer by layer.
Too much coal will smother the fire, too little too slowly and the wood burns down and there isn't enough coal going to sustain the coal fire.

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