Application of CFD for a low-NO_x burner retrofit to a coal-fired utility boiler
by David Moyeda, Roy Payne, Karl H. Kuehlert, Eric S. Bish
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 1, No. 1/2/3, 2001

Abstract: The design and application of low-NO_x burners and other combustion modification technologies to coal-fired boilers typically relies largely on designer know-how and previous experience. There is always some risk inherent in applying NO_x control technologies to new applications. This risk is offset by the use of design tools such as computational fluid dynamics (CFD) to analyse and simulate system operation. This paper presents the results of a study designed to validate the application of a combined coal/fuel oil burner to a coal-fired boiler. The modelling study includes simulation of windbox air distribution and detailed modelling of the low-NO_x burner alone, and as installed on the furnace. The results of the study validate the burner design for this new application and demonstrate the utility of CFD in studying such systems.

Online publication date: Fri, 04-Jul-2003

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