Reduction of noxious substance emissions at the pulverized fuel combustion in the combustor of the BKZ-160 boiler of the Almaty heat electropower station using the “Overfire Air” technology

А.С. Аскарова, Vladimir E. Messerle, А. Б. Устименко, С.А. Болегенова, Valeriy Maximov, Aigul BalatbekBalatbekovnaovna Yergaliyeva

2016

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DOI 10.1134/s0869864316010133

Data confidence 70 medium

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Abstract

The computational experiments using the “Overfire Air” (OFA) technology at the coal dust torch combustion in the combustor of the BKZ-160 boiler of the heat power plant No. 2 in Almaty have been conducted. The results show a possibility of reaching a reduction of the emission of noxious nitrogen oxides NO x and minimizing the energy losses. The results of numerical experiments on the influence of the additional air supply on the main characteristics of heat and mass transfer are presented. A comparison with the base regime of the solid fuel combustion when there is no supply of the additional air (OFA = 0 %) has been made.