Coal quality this fall

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Coal quality this fall

PostBy: Short Bus On: Sun Nov 18, 2012 6:14 pm

I've been modifing my stoker system blower and trying to tune up my combustion, it has started to burn real good and hot, making a very desirable clinker for my situation.
I was proud of my solutions with the help of this forum. :)
Yesterday while at work I heard a story about a converstion by a power plant operator and a coal miner. The story went like this, "the coal you are supplying is burning great", " yes we are behind on removing overburden from the low grade coal that we mix with the high grade, to achive the 7,250 btu/lb, so our coal is currently around 8,000 btu/lb".
Not sure of the facts but my burner is working great, anyone else experiancing this?
Short Bus
Stoker Coal Boiler: Kewanee boiler with Anchor stoker
Coal Size/Type: Chestnut / Sub-bituminous C
Other Heating: Propane wall furnace back up only

Visit Lehigh Anthracite

Re: Coal quality this fall

PostBy: Berlin On: Sun Nov 18, 2012 7:23 pm

I would go ahead and stock up! It's not uncommon for mining companies to blend two seams of coal when they're stripping it already - they will typically blend them to get a decent AND economical product.
Hot Air Coal Stoker Furnace: Will-Burt Combustioneer 77B
Coal Size/Type: Ohio BITUMINOUS pea stoker coal