A mathematical modelling technique for gaseous and solid fuel reburning in pulverised coal combustors

A ‘reburn chemistry’ modelling method for predicting the reduction of nitrogen oxide emissions in coal combustors is presented. The model is applied to predict NO x reductions in a large-scale laboratory pulverised fuel combustor with gas as well as coal reburn strategies. Extensive validation is pe...

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Published in:Fuel (Guildford) 2003-10, Vol.82 (15), p.2107-2114
Main Authors: Dimitriou, D.J, Kandamby, N, Lockwood, F.C
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Furnaces. Firing chambers. Burners
Nitrogen oxides
Pulverised coal combustion
Reburning
Solid and pulverized fuel burners and combustion chambers
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description A ‘reburn chemistry’ modelling method for predicting the reduction of nitrogen oxide emissions in coal combustors is presented. The model is applied to predict NO x reductions in a large-scale laboratory pulverised fuel combustor with gas as well as coal reburn strategies. Extensive validation is performed in order to establish the model effectiveness through a range of furnace conditions and reburn configurations. The results obtained show good overall agreement with detailed in-flame experimental data including the trend of NO emissions reduction with the reburn zone air/fuel ratio.
doi_str_mv 10.1016/S0016-2361(03)00184-4
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subjects Applied sciences
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Furnaces. Firing chambers. Burners
Nitrogen oxides
Pulverised coal combustion
Reburning
Solid and pulverized fuel burners and combustion chambers
title A mathematical modelling technique for gaseous and solid fuel reburning in pulverised coal combustors
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