Flue-gas Coupling Of A Waste Incinerator With A
Lignite-fired Coal Boiler: Assessment Of The
Best-suited Injection Concept By Computational
Author(s)
Th. Hilber, Ch. Deeg, S. Kiening, J. Vehlow, J. Maier,
H. Seifert, U. Schnell & G. Scheffknecht
Abstract
The work presented in this paper focuses on the combustion behaviour of the
coupled UPSWING (Unification of power plant and solid waste incineration on
the grate.) process as well as on the reduction and destruction of pollutants like
NOx and PCDD/F. The concept, which has been developed by the
Forschungszentrum Karlsruhe, describes the coupling of a waste incinerator to a
coal-fired power plant for heat and/or electricity generation, both on the steam
and on the flue gas side. Possible injection concepts for the incinerator flue gases
were investigated by large-scale CFD simulation in order to evaluate the impact
of a wet, NOx-rich flue gas stream on the overall combustion behaviour of a
pulverised coal-fired boiler. The necessary input data for the large-scale
simulation was elaborated in various experiments at a semi-technical combustion
reactor. The acquired data was used to validate the reliability of the coal
combustion model as a prerequisite for the large-scale simulation. The results of
both experimental and theoretical work are used to determine the best-suited
coupling concept.
Keywords: sustainable waste management, pollutant destruction, CFD, NOx.
and experimental methods
Keywords
sustainable waste management, pollutant destruction, CFD, NOx.
and experimental methods
Related Book
Other papers in this volume
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