Peter Hutchison wrote:
> Jamie wrote
>
> >Can anyone provide the AFT of charcoal, coke, and anthracite?<
>
> Anthracite, coke and charcoal do not have a flame temperature. The flame
> for all these solids is carbon monoxide (or more likely air burning in
> carbon monoxide in a blast furnace). The Efficient Use of Fuel (HMSO 1944)
> gives the flame temperature as 3960F or 2180C. Calculating the temperature
> of the solid fuel can be very complex or not possible.
>
> >From the same source there are measurements of the bed temperature in a
> coke fire on a grate.
>
> Burning 20lbs/sq. ft./hr 1232C
> Burning 51lbs/sq. ft./hr 1383C
> Burning 71lbs/sq. ft./hr 1442C
> Burning 106lbs/sq. ft./hr 1509C
>
> Peter Hutchison
I have been reading a very bad report in which the claim is made that charcoal
burns hotter than coke or anthracite. I have seen 1940C for charcoal and 2070C
for coke. In general, is it true that charcoal burns cooler? Would it be true
if the conditions were the same (bed size, air flow, etc.)?
Jamie
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