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Among the technologies which allow to reduce greenhouse gas emission, mainly carbon dioxide, special attention deserves the idea of 'zero-emission' technology based on boilers working in oxy-combustion technology. In the paper the results of analyses of the influence of changing two quantities, namely oxygen share in oxidant produced in the air separation unit, and oxygen share in oxidant supplied to the furnace chamber on the selected characteristics of a steam boiler including the degree of exhaust gas recirculation, boiler efficiency and adiabatic flame temperature, was examined. Due to the possibility of the integration of boiler model with carbon dioxide capture, separation and storage installation, the subject of the analysis was also to determine composition of the flue gas at the outlet of a moisture condensation installation. Required calculations were made using a model of a supercritical circulating fluidized bed boiler working in oxy-combustion technology, which was built in a commercial software and in-house codes.
Czasopismo
Rocznik
Tom
Strony
51--63
Opis fizyczny
Bibliogr. 18 poz., il.
Twórcy
autor
- Institute of Power Engineering and Turbomachinery, Silesian University of Technology, Konarskiego 18 44-100 Gliwice, Poland
autor
- Institute of Power Engineering and Turbomachinery, Silesian University of Technology, Konarskiego 18 44-100 Gliwice, Poland
Bibliografia
- [1] TOFTEGAARD M.B., BNIX J., JENSEN P.A.: Oxy-fuel combustion of solid fuels. Prog. Energ. Combust. Sci. 36(2010), 581-625.
- [2] WALL T., LIU Y., SPERO C.: An overview on oxyfuel coal combustion - State of the art research and technology development. Chern. Eng. Res. Design 87(2009), 1003-1016.
- [3] SURANITI S.L., NSAKALA YA NSAKALA, DARLING S.L.: Alstom Oxyfuel CFB boilers: a promising option for CO2 capture. Energy Procedia 1(2009), 543-548.
- [4] MUSKAŁA W., KRZYWAŃSKI J., CZAKIERT T., NOWAK W.: The research of CFB boiler operation for oxygen-enhanced dried lignite combustion. Rynek Energii, 92(2011), 1, 172-176.
- [5] SKOREK-OSIKOWSKA A. BARTELA Ł., KOTOWICZ J., JOB M.: Thermodynamic and economic analysis of the different variants of a coal-fired, 460 MW power plant using oxy-combustion technology. Energ. Convers. Manage. 2013; 76: 109-120.
- [6] KOTOWICZ J, BALICKI A.: Enhancing the overall efficiency of a lignite-fired oxyfuel power plant with CFB boiler and membrane-based air separation unit. Energ. Convers. Manage. 2014;80C:20-31.
- [7] The technical report of step 6.1 in research topic: 'Numerical simulations and systemic analysis of oxy-burning', the research task 2 'Development of a technology for oxy-combust ion pulverized-fuel and fluid boilers integrated with CO2 capture', in the strategic program of research and development - Advanced Technologies for Energy Generation.
- [8] BUHRE B.J.P., ELLIOTT L.K., SHENG C.D.: Oxy-fuel combustion technology for coal-fired power generation. Prog. Energ. Combust. Sci. 31(2005), 283-307.
- [9] CHMIELNIAK T., ŁUKOWICZ H.: Condensing Power plant cycle - assessing possibilities of improving its efficiency. Arch. Thermodyn. 31(2010), 3, 105-114.
- [10] SKOREK-OSIKOWSKA A., BARTELA Ł.: Model of a supercritical oxy-boiler - analysis of the selected parameters. Rynek Energii 90(2010), 5, 69-75 (in Polish).
- [11] BARTELA Ł., KOTOWICZ J.: Analysis of using of nitrogen as a drying medium for coal combusted in oxy boiler. Rynek Energii 93(2011), 2, 49-55 (in Polish).
- [12] CHMIELNIAK T.: Role of different types of technology in reaching of emmision targets by 2050. Rynek Energii 92(2011), 1, 3-9 (in Polish).
- [13] CHMIELNIAK T., KOSMAN G., ŁUKOWICZ H.: Integration of CO2 capture installations with the condensing power units. Rynek Energii 79(2008), 6, 75-81 (in Polish).
- [14] KOTOWICZ J., SKOREK-OSIKOWSKA A., JANUSZ-SZYMAŃSKA K.: Membrane separation of carbon dioxide in the integrated gasification combined cycle systems. Arch. Thermodyn. 31(2010), 3, 145-164.
- [15] LISZKA M., ZIEBIK A.: Coal-fired oxy-fuel power unit - process and system analysis. Energy 35(2010), 943-951.
- [16] KOTOWICZ J., BARTELA Ł.: Optimisation of the connection of membrane CCS installation with a supercritical coal-fiœred power plant. Energy 38(2012), 118-127.
- [17] KOTOWICZ J., BARTELA Ł.: Thermodynamic and economic optimisation of combined gas-steam power plant with the use of genetic algorithms. Rynek Energii, 75(2008), 2, 31-38 (in Polish).
- [18] GateCycle GateCycle Version 5.40. Manual. GE Enter Software, LLC.
Typ dokumentu
Bibliografia
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