Chapter 6

Coal Combustion in CO2/O2image Atmosphere


The performance of two different burner designs, single central orifice (SCO) and single annular orifice (SAO), was examined under oxycoal conditions in a downfired oxycoal pilot plant. Based on detailed in-flame measurements combined with CFD predictions, the main parameters influencing the stability of an O2/CO2image pulverised coal swirl flame were identified and investigated.

The oxycoal flame was experimentally stabilised at the burner quarl by: increasing O2 concentration above 34 vol% without ...

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