Abstract:
Numerical simulation results on the effect of the operation parameters for a combustion chamber of a combined-cycle plant (CCP) with steam injection [1] for the combined production of heat and electric energy upon a reduction in nitrogen oxide emission are represented. Calculations are carried out for lean mixtures with α=1.2–1.4 and great steam consumptions of 30–42%. The reaction analysis has shown that the main contribution in NOx formation was given by reactions with the advanced Zel'dovich thermal mechanism, and the reaction contribution with the participation of N2O into the NO formation was an order of magnitude higher than that by the mechanism of the prompt NO formation. NO2 does not form at high temperatures and only takes part in the conversion into NO in reactions with the participation of nitric acid. It is shown that the optimum choice of operation conditions for the combustion chamber of the CCP makes it possible to obtain the NOx content in the combustion products in some mill−1(ppm). According to calculations, steam injection does not increase CO emission. A comparison with the experiment is given.
Citation:
K. A. Gordin, V. M. Maslennikov, E. A. Filimonova, “Evaluation of the nitrogen oxide emission level for a steam supply with natural gas into the combustion chamber of a gas turbine unit”, TVT, 51:6 (2013), 937–944; High Temperature, 51:6 (2013), 855–862
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\by K.~A.~Gordin, V.~M.~Maslennikov, E.~A.~Filimonova
\paper Evaluation of the nitrogen oxide emission level for a steam supply with natural gas into the combustion chamber of a gas turbine unit
\jour TVT
\yr 2013
\vol 51
\issue 6
\pages 937--944
\mathnet{http://mi.mathnet.ru/tvt162}
\crossref{https://doi.org/10.7868/S0040364413060124}
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\transl
\jour High Temperature
\yr 2013
\vol 51
\issue 6
\pages 855--862
\crossref{https://doi.org/10.1134/S0018151X13060126}
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Linking options:
https://www.mathnet.ru/eng/tvt162
https://www.mathnet.ru/eng/tvt/v51/i6/p937
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