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Energy, exergy and economic analysis of industrial boilers

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  • Saidur, R.
  • Ahamed, J.U.
  • Masjuki, H.H.
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    Abstract

    In this paper, the useful concept of energy and exergy utilization is analyzed, and applied to the boiler system. Energy and exergy flows in a boiler have been shown in this paper. The energy and exergy efficiencies have been determined as well. In a boiler, the energy and exergy efficiencies are found to be 72.46% and 24.89%, respectively. A boiler energy and exergy efficiencies are compared with others work as well. It has been found that the combustion chamber is the major contributor for exergy destruction followed by heat exchanger of a boiler system. Furthermore, several energy saving measures such as use of variable speed drive in boiler's fan energy savings and heat recovery from flue gas are applied in reducing a boiler energy use. It has been found that the payback period is about 1Â yr for heat recovery from a boiler flue gas. The payback period for using VSD with 19Â kW motor found to be economically viable for energy savings in a boiler fan.

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    Bibliographic Info

    Article provided by Elsevier in its journal Energy Policy.

    Volume (Year): 38 (2010)
    Issue (Month): 5 (May)
    Pages: 2188-2197

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    Handle: RePEc:eee:enepol:v:38:y:2010:i:5:p:2188-2197

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    Web page: http://www.elsevier.com/locate/enpol

    Related research

    Keywords: Exergy efficiency Industrial boilers Energy savings;

    References

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    Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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    1. Yeh, Sonia & Rubin, Edward S., 2007. "A centurial history of technological change and learning curves or pulverized coal-fired utility boilers," Institute of Transportation Studies, Working Paper Series qt96z5s545, Institute of Transportation Studies, UC Davis.
    2. Saidur, R. & Sattar, M.A. & Masjuki, H.H. & Abdessalam, H. & Shahruan, B.S., 2007. "Energy and exergy analysis at the utility and commercial sectors of Malaysia," Energy Policy, Elsevier, vol. 35(3), pages 1956-1966, March.
    3. Kanoglu, Mehmet & Dincer, Ibrahim & Rosen, Marc A., 2007. "Understanding energy and exergy efficiencies for improved energy management in power plants," Energy Policy, Elsevier, vol. 35(7), pages 3967-3978, July.
    4. Saidur, R. & Rahim, N.A. & Ping, H.W. & Jahirul, M.I. & Mekhilef, S. & Masjuki, H.H., 2009. "Energy and emission analysis for industrial motors in Malaysia," Energy Policy, Elsevier, vol. 37(9), pages 3650-3658, September.
    5. Oladiran, M.T. & Meyer, J.P., 2007. "Energy and exergy analyses of energy consumptions in the industrial sector in South Africa," Applied Energy, Elsevier, vol. 84(10), pages 1056-1067, October.
    6. Dincer, I. & Hussain, M. M. & Al-Zaharnah, I., 2004. "Energy and exergy use in public and private sector of Saudi Arabia," Energy Policy, Elsevier, vol. 32(14), pages 1615-1624, September.
    7. Utlu, Zafer & Hepbasli, Arif, 2007. "A review and assessment of the energy utilization efficiency in the Turkish industrial sector using energy and exergy analysis method," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(7), pages 1438-1459, September.
    8. Dincer, Ibrahim, 2002. "The role of exergy in energy policy making," Energy Policy, Elsevier, vol. 30(2), pages 137-149, January.
    9. Saidur, R. & Masjuki, H.H. & Jamaluddin, M.Y., 2007. "An application of energy and exergy analysis in residential sector of Malaysia," Energy Policy, Elsevier, vol. 35(2), pages 1050-1063, February.
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    Citations

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    Cited by:
    1. Saidur, R. & Leong, K.Y. & Mohammad, H.A., 2011. "A review on applications and challenges of nanofluids," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(3), pages 1646-1668, April.
    2. BoroumandJazi, G. & Rismanchi, B. & Saidur, R., 2013. "A review on exergy analysis of industrial sector," Renewable and Sustainable Energy Reviews, Elsevier, vol. 27(C), pages 198-203.
    3. Ahamed, J.U. & Saidur, R. & Masjuki, H.H. & Mekhilef, S. & Ali, M.B. & Furqon, M.H., 2011. "An application of energy and exergy analysis in agricultural sector of Malaysia," Energy Policy, Elsevier, vol. 39(12), pages 7922-7929.
    4. Saidur, R. & BoroumandJazi, G. & Mekhilef, S. & Mohammed, H.A., 2012. "A review on exergy analysis of biomass based fuels," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(2), pages 1217-1222.
    5. Kaushik, S.C. & Reddy, V. Siva & Tyagi, S.K., 2011. "Energy and exergy analyses of thermal power plants: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(4), pages 1857-1872, May.
    6. Wang, Hai-Chao & Jiao, Wen-Ling & Lahdelma, Risto & Zou, Ping-Hua, 2011. "Techno-economic analysis of a coal-fired CHP based combined heating system with gas-fired boilers for peak load compensation," Energy Policy, Elsevier, vol. 39(12), pages 7950-7962.
    7. BoroumandJazi, G. & Saidur, R. & Rismanchi, B. & Mekhilef, S., 2012. "A review on the relation between the energy and exergy efficiency analysis and the technical characteristic of the renewable energy systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(5), pages 3131-3135.
    8. Ahamed, J.U. & Saidur, R. & Masjuki, H.H., 2011. "A review on exergy analysis of vapor compression refrigeration system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(3), pages 1593-1600, April.

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