White Ash or Red Ash, Called Reading and Blackschak

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White ash or Red ash, Called Reading and Blackschak

PostBy: 2001Sierra On: Thu Mar 27, 2014 9:34 pm

I contacted both, and they both claimed their ash was white ash. I loved white ash with my old Buderus hand fed. I prefer red ash with my Keystoker 90. I think the red ash produces less fly ash, and clinkers are pretty much a non issue with the Keystoker flat plate. Ok, so who has bagged red ash? Or is one of those factors that is run of mine dependent. Are there strictly red ash veins that some companies mine from?
Hot Air Coal Stoker Stove: Keystoker 90 Chimney vent
Coal Size/Type: Rice
Other Heating: Buderus Oil Boiler 3115-34
Stove/Furnace Model: Keystoker 90 Chimney Vent

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Re: White ash or Red ash, Called Reading and Blackschak

PostBy: ONEDOLLAR On: Fri Mar 28, 2014 12:12 pm

The only "red ash" I have ever had was from Kimmels. That is not to say ALL Kimmels I burned was red ash.
Hand Fed Coal Stove: 2014 Chubby Prototype
Coal Size/Type: Nut/Anthracite

Re: White ash or Red ash, Called Reading and Blackschak

PostBy: sharkman8810 On: Wed Jun 11, 2014 8:11 pm

I'm not sure about bagged coal, but superior coal is red ash and burns pretty hot, it has a high ash content.
Hand Fed Coal Stove: hitzer 82 ul
Coal Size/Type: nut
Stove/Furnace Make: hitzer
Stove/Furnace Model: 82 u.l.

Re: White ash or Red ash, Called Reading and Blackschak

PostBy: Machinist On: Fri Jun 13, 2014 9:07 am

I burned some red ash coal in my KAA-2 boiler last winter. (4 tons of it) I will not use red ash again. I probably didn't have clinkers, but it caked up. The cakes would not break and fall easily. The coal bed got taller, unburned coal fell over the side rails and I could hear the pusher motor/gearbox straining.

So I reduced air as recommended by some people on this forum. That helped until the cold weather came. Could not keep the house warm. Kitchen pipes froze. I had to mix good white ash coal with the red. And... there was a lot more ash, probably 30% more. So I was hauling more bags of coal down into my basement, and more pans of ash out. I am still putting bags of that red ash out for trash pickup.

No red ash for this Keystoker again! Maybe a larger unit could handle it better.
Stoker Coal Boiler: Keystoker KAA-2
Coal Size/Type: Rice
Other Heating: None

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