Browse > Article
http://dx.doi.org/10.3795/KSME-B.2007.31.5.405

A Study on the Effect of Recirculated Exhaust Gas upon Exhaust Emissions of Boiler with a FGR System  

Jung, Kwang-Ho (경상대학교 대학원 기계설계학과)
Cho, Yong-Soo ((주) Seen Tec)
Bae, Myung-Whan (경상대학교 기계항공공학부, 항공기부품기술연구센터)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.31, no.5, 2007 , pp. 405-415 More about this Journal
Abstract
The effects of recirculated exhaust gas on exhaust emissions under four kinds of nozzle tip with the different fuel consumption rates are experimentally investigated by using an once-through boiler with a FGR system. The purpose of this study is to develop the FGR control system for reducing $NO_x$ emissions in boilers. Intake and exhaust oxygen concentrations, and equivalence ratio are considered to figure out the effect of FGR rate on exhaust emissions at various fuel consumption rates. It is found that $NO_x$ emissions are markedly decreased, while soot emissions are increased owing to the drop of intake and exhaust oxygen concentrations, and the rise of equivalence ratio as FGR rates are elevated. One can also conclude that the reduction in $NO_x$ emissions is more considerably influenced by the variation of equivalence ratio due to the FGR rate than the fuel consumption rate.
Keywords
Recirculated Exhaust Gas; Exhaust Emissions; Boiler; Flue Gas Recirculation(FGR) System; Intake and Exhaust Oxygen Concentrations; Equivalence Ratio;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 1
연도 인용수 순위
1 Moritsuka, H., 1995, 'A Development of New Fossil Energy - For the Sake of a Global Environmental Problem,' Journal of the Japan Society of Mechanical Engineers, Vol. 98, No. 992, pp. 10-15
2 Inoue, T., 1997, 'Energy, Environment and Engines in 21st Century,' Proceedings of the International Forum ${\ulcorner}Engines\;for\;the\;21st\;Century{\lrcorner}$ of the Japan Society of Mechanical Engineers, pp. 1-7
3 Bae, M. W., Ku, Y. J. and Lee B. S., 2006, 'A Study on Characteristics of Performance and $NO_x{\cdot}THC$ Emissions in Turbo Intercooler ECU Common-rail Diesel Engines with a Combined Plasma EGR System,' Transactions of the Korean Society of Automotive Engineers, Vol. 14, No. 3, pp. 10-21
4 Haines, M. R., Heidug W. K., and Moore J. B., 2002, 'Progress with the Development of a $CO_2$ Capturing Solid Oxide Fuel Cell,'Journal of Power Sources, 4661, pp. 1-4   DOI   ScienceOn
5 Kamimoto, T., and Bae, M. W., 1988, 'High Combustion Temperature for the Reduction of Particulate in Diesel Engines,' SAE 880423, pp. 1-10
6 Bae, M. W., 2003, 'A Study on the Characteristics of Combustion Products and Adiabatic Flame Temperature by Theoretical Equilibrium Calculation,' Research Report, Gyeongsang National University, pp. 1-75
7 Frenklach, M., and Clary, D. W., 1984, 'Detailed Kinetic Modeling of Soot Formation in Shock-Tube Pyrolysis of Acetylene,' 20th Symposium (International) on Combustion/The Combustion Institute, pp. 887-901
8 Bae, M. W., 1989, 'A Study on Soot Formation in Premixed Combustion at High Pressures,' Doctoral Dissertation of Tokyo Institute of Technology, pp. 1-168
9 Bae, M. W., and Lim, J. K., 1995, 'A Study on Effect of EGR upon Fuel Consumption Rate and $NO_x$ Emissions in Diesel Engines,' Transactions of the Korean Society of Automotive Engineers, Vol. 3, No. 1, pp. 76-88
10 Bae, M. W., 1999, 'A Study on the Effects of Recirculated Exhaust Gas upon $NO_x$ and Soot Emissions in Diesel Engines with Scrubber EGR System,' SAE 1999-01-3266, pp. 78-87
11 Lee, H. D., 2002, 'A Study on Exhaust Emissions Characteristics of High Temperature and High Pressure Combustor for Modeling Gas Turbine,' Master's Thesis of Graduate School, Gyeongsang National University, pp. 1-48
12 Bae, M. W., and Lee, S. K., 1999, 'A Study on the Performance of a High Temperature and High Pressure Constant-Volume Combustion Chamber for Modeling of Soot Formation Processes in Combustion Engines,' Transactions of the Korean Society of Automotive Engineers, Vol. 7, No. 1, pp. 20-30
13 Bae, M. W., 2001, 'A Study on Soot Formation of Turbulent Premixed Propane Flames in a Constant-Volume Combustor at High Temperatures and High Pressures,' Transactions of the Korean Society of Automotive Engineers, Vol. 9, No. 4, pp. 1-9   과학기술학회마을
14 Kimura, S., Aoki, O., Kitahara, Y., and Aiyoshizawa, E., 2001, 'Ultra-Clean Combustion Technology Combining a Low-Temperature and Premixed Combustion Concept for Meeting Future Emission Standards,' SAE 2001-01-0200, pp. 1-7
15 Zhou, W., 1998, 'Overview of Energy and Environmental Technology in Japan by Comparing the Situation of Japan and China - Its Contribution to prevent the Global Warming,' Journal of the Japan Society of Mechanical Engineers, Vol. 101, No. 951, pp. 9-11
16 Gis, W., and Bielaczyc, P., 1999, Emission of $CO_2$ and Fuel Consumption for Automotive Vehicles, SAE 1999-01-1074, pp. 1-7
17 Khair, M., Lemaire, J. and Fischer, S., 2000, 'Integration of Exhaust Gas Recirculation, Selective Catalytic Reduction, Diesel Particulate Filters, and Fuel-Borne Catalyst for $NO_x/PM$ Reduction,' SAE 2000-01-1933, pp. 1-7
18 Bae, M. W. and Ha, J. H., 2000, 'A Study on the Effect of Recirculated Exhaust Gas with Scrubber EGR System upon Exhaust Emissions in Diesel Engines,' Transactions of the Korean Society of Mechanical Engineers, Vol. 24, No. 9, pp. 1247-1254
19 Shioji, M., 1998, 'Technology for Emission Control in Internal Combustion Engines,' Journal of the Society of Automotive Engineers of Japan, Vol. 52, No. 9, pp. 4-10
20 Longwell, J. P., Rubin, E. S. and Wilson, J., 1995, 'Coal: Energy for the Future,' Prog. Energy Combustion Science, Vol. 21, pp. 269-360   DOI   ScienceOn
21 Kamimoto, T., 1999, 'Automotive and Air Environment of the 12st Century,' Kuramae Journal, No. 941, pp. 17-22