한국연소학회지 (Journal of the Korean Society of Combustion)

  • 제20권2호
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  • Pages.14-27
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  • 2015
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  • 1226-0959(pISSN)
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  • 2466-2089(eISSN)
한국연소학회 (The Korean Society of Combustion)
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다단사이클론 예열소성로와 로터리킬른 소성로의 성능 모형평가: 시멘트공정사례

Performance Evaluation of a Multistage-Cyclone Pre-heating Calciner and a Rotary Kiln Calciner: Case of a Cement Process

  • 엄태규 (한국과학기술원 기계공학과) ;
  • 최상민 (한국과학기술원 기계공학과)
  • Eom, Taegyu (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology) ;
  • Choi, Sangmin (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology)
  • 투고 : 2015.02.17
  • 심사 : 2015.06.02
  • 발행 : 2015.06.30
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초록

Calcination, which represents thermal decomposition of $CaCO_3$, is the key reaction in a cement process. Some reactions including heating-up also take place simultaneously in the calcination reactors. Basic thermal performance and dimensions of the reactors in two cases, which are a rotary kiln wih a four-stage cyclone pre-heater and a simple single rotary kiln, were compared. To employ the heat transfer, mass transfer and reaction rate as well as calcination, one-dimensional modeling was conducted in each case. Some simplification about the reactors was described, however, the reliable Nusselt number and heat transfer coefficients on the reactors were used to make results reliable.

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참고문헌

  1. Engin, T., and Ari, V., Energy Auditing and Recovery for Dry Type Cement Rotary Kiln Systems-A Case Study, Energy Conversion and Management, 46, 2005, 551-562. https://doi.org/10.1016/j.enconman.2004.04.007
  2. Khurana, S., Banerjee, R. and Gaitonde, U., Energy Balance and Cogeneration for a Cement Plant, Applied Thermal Engineering, 22, 2002, 485-494. https://doi.org/10.1016/S1359-4311(01)00128-4
  3. Kabir, G., Abubakar, A. I. and El-Nafaty, U. A., Energy Audit and Conservation Opportunities For Pyroprocessing Unit of a Typical Dry Process Cement Plant, Energy, 35, 2010, 1237-1243. https://doi.org/10.1016/j.energy.2009.11.003
  4. Mujumdar, K. S. and Rande, V. V., Simulation of Rotary Cement Kilns Using a One-Dimensional Model, Chemical Engineering Research and Design, 84, 2006, 165-177. https://doi.org/10.1205/cherd.04193
  5. Choi, H., and Lee, C., Modeling of a Combined Suspension Preheater and the Fluidized Calciner of a Cement Plant, Journal of the Korean Institute of Chemical Engineers, 25(4), 1987, 355-366.
  6. Krokida, M., Marinos-Kouris, D. and Mujumdar, A. S., Rotary Drying(in Handbook of Industrial Drying), 3rd Ed., Taylor & Francis Group, London, 2006, 181-187.
  7. Oritz, F., "Modeling of Fire-Tube Boilers", Applied Thermal Engineering, 31, 2011, 3463-3478. https://doi.org/10.1016/j.applthermaleng.2011.07.001
  8. Stairmand, C. J., Design and Performance of Cyclone Separators, Transactions of the Institution of Chemical Engineers, 29, 1951, 356-573.
  9. Swift, P., Dust Control in Industry, 2, Steam Heat Engineer, 38, 1969, 453-456.
  10. Lapple, C. E., Process Use Many Collectors, Chemical Engineering, 58, 1951, 144.
  11. Owens, W. D., Silcox, G. D., Lighty, J. S., Deng, X. X., Pershing, D. W., Cundy, V. A., Leger, C. B. and Jakway, A. L., Thermal Analysis of Rotary Kiln Incineration: Comparison of Theory and Experiment, Combustion and Flame, 86, 1991, 101-114. https://doi.org/10.1016/0010-2180(91)90059-K
  12. Mintus, F., Hamel, S. and Krumm, W., Wet Process Rotary Cement Kilns: Modeling and Simulation, Clean Technology Environment Policy, 8, 2006, 112-122. https://doi.org/10.1007/s10098-006-0039-6
  13. Eeom, M., Hahn, T., Lee, H. and Choi, S., Performance Analysis Modeling for Design of Rotary Kiln Reactors (in Korean), J. Korean Soc. Combust., 18(3), 2013, 9-23. https://doi.org/10.15231/jksc.2013.18.3.009
  14. Smirnov, A. S., Lebedev, V. Y., Barulin E. P. and Gorlova, V. V., Mathematical model of flow in the reverse-flow cyclone (in Russian), Khimiia Khim, Tekhnologiia, 35, 108-113.
  15. Basu, P., Kefa C. and Jestin, L., Boilers and Burners Design and Theory, Springer, New York, 1999, 334-338.
  16. Raju, R. H., Chilton H. and Cecil, H., Gas-Solid Heat Transfer in Cyclone Heat Exchanger, Gas-Solid Heat Transfer in a Gas Cyclone, Journal of the Indian Institute of Chemical Engineers, 36(1-2), 1994, 58-62.
  17. Yen, S. C., Lu, W. M. and Shung, S. C., Gas-Solid Heat Transfer in a Gas Cyclone, Journal of the Chinese Institute of Engineers, 21(4), 1990, 197-206.