Publication: Retrofit de una caldera de recuperación de calor horizontal con unidad de reducción de Nox mediante tecnología SCR
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2011-07
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2011-07-20
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Abstract
El presente proyecto académico, consistente en el retrofit de una instalación industrial, convirtiendo una instalación térmica con turbina de gas en un ciclo combinado con cogeneración, ha sido realizado en colaboración con la empresa FOSTER WHEELER ENERGÍA S.L.U. FOSTER WHEELER ENERGIA S.L.U. es una empresa española integrada en FOSTER WHEELER GLOBAL POWER GROUP que se dedica al diseño y suministro de todo tipo de calderas industriales, quemadores, condensadores, calentadores, equipos auxiliares así como al desarrollo de la consultoría energética. Se han comparado dos alternativas de diseño de calderas de recuperación de calor, la clásica con tubos de mayor tamaño y en consecuencia menor cantidad de tubos, con otra más vanguardista, que aboga por un diseño compacto, con mayor cantidad de tubos y de menor diámetro. Asimismo, se ha considerado un sistema de reducción de NOx mediante tecnología SCR, con el fin de conseguir que la instalación cumpla las normativas de emisiones actuales, respecto a los óxidos de nitrógeno. Se ha estudiado el comportamiento de la caldera en ambas configuraciones propuestas, analizando los parámetros más influyentes. ___________________________________________________________________________________________________________________
The present academic Project, which consist of the retrofit of an industrial facility, modifying a thermal plant based on a gas turbine into a gas turbined combined cycle with cogeneration, has been developed in collaboration with FOSTER WHEELER ENERGÍA, S.L.U. FOSTER WHEELER ENERGÍA, S.L.U. is a Spanish company integrated in FOSTER WHEELER GLOBAL POWER GROUP and dedicated to design and supply of all type of industrial boilers, burners, steam condensers, feedwater heaters, auxiliary equipment as well as energy consultancy. Two options has been compared for designing a heat recovery steam generator: the classic one with greater tube diameters and, in consequence, lower amount of tubes; and the more avant-garde one calling for a more compact design, with more number of tubes and smaller tube diameters. It has also been considered a NOx reduction system, by means of SCR technology, in order to ensure that the installation comply with current emissions regulations, in reference to nitrogen oxides. The behavior of the boiler in two proposed cases has been studied by analyzing the main influential parameters.
The present academic Project, which consist of the retrofit of an industrial facility, modifying a thermal plant based on a gas turbine into a gas turbined combined cycle with cogeneration, has been developed in collaboration with FOSTER WHEELER ENERGÍA, S.L.U. FOSTER WHEELER ENERGÍA, S.L.U. is a Spanish company integrated in FOSTER WHEELER GLOBAL POWER GROUP and dedicated to design and supply of all type of industrial boilers, burners, steam condensers, feedwater heaters, auxiliary equipment as well as energy consultancy. Two options has been compared for designing a heat recovery steam generator: the classic one with greater tube diameters and, in consequence, lower amount of tubes; and the more avant-garde one calling for a more compact design, with more number of tubes and smaller tube diameters. It has also been considered a NOx reduction system, by means of SCR technology, in order to ensure that the installation comply with current emissions regulations, in reference to nitrogen oxides. The behavior of the boiler in two proposed cases has been studied by analyzing the main influential parameters.
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Keywords
Cogeneración, Centrales térmicas, Turbinas de gas, Turbomaquinaria