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2021, vol. 76, iss. 1, pp. 43-49
Impact of air stagging in furnace on processes in power steam boiler TPP Kostolac B
University of Belgrade, Faculty of Mechanical Engineering

emailgstupar@mas.bg.ac.rs
Keywords: power steam boiler; primary measures; calculation system; efficiency
Abstract
The European normatives prescribe the maximum content of 200 mg/Nm3 in dry flue gases with oxygen content of 6% for existing pulverized coal-fired power plants. In order to analyse the effects of applying some of the primary measures for NOx reduction on the overall steam boiler operation, calculational coupling of differential mathematical models has been applied. This calculation system enables reliable prediction of the performance of power steam boilers also in substoichiometric conditions, and the quality of the boiler operation can be described from the perspective of its effective, efficient, safe and ecological operation. In accorrdance to that, calculations of the steam boiler unit 1 TE Kostolac B have been carried out for the existing and the air staging combustion system. This paper presents an analysis of the influence of various parameters on the operation of the steam boiler with the application of primary measures.
References
*** (2010) Directive 2010/75/EU European Union -limit of emissions of harmful substances into the air from large furence
Heinsohn, R.G., Kabel, R.L. (1999) Sources and control of air pollution. New Jersey: Prentice-Hall
Hill, S.C., Douglas, S.L. (2000) Modeling of nitrogen oxides formation and destruction in combustion systems. Progress in Energy and Combustion Science, 26(4-6), 417-458
Makovicka, J. (2008) Mathematical model of pulverized coal combustion. Prag: Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineerin
Stupar, G., Tucaković, D., Živanović, T., Belošević, S. (2015) Assessing the impact of primary measures for NOx reduction on the thermal power plant steam boiler. Applied Thermal Engineering, Vol. 78, p. 397-409, IF(2014)=2.624
Tobin, R., Moyeda, D., Zhou, W., Payne, R. (2005) Application of layered control technologies to significantly reduce NOx emissions from coal-fired boilers. in: GE Energy, 2nd U.S. - China NOx Workshop Dalian, China
Živanović, T., Tucaković, D., Brkić, Lj., Stupar, G. (2015) Kontrolni CFD proračuni Siemens-ovog rešenja redukcije NOx primarnim merama. Beograd: Elektroprivreda Srbije - Ogranak TE-KO Kostolac
 

About

article language: Serbian
document type: Original Scientific Paper
DOI: 10.5937/tehnika2101043S
received: 16/09/2020
accepted: 25/12/2020
published in SCIndeks: 06/03/2021
Creative Commons License 4.0

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