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Techno-Environmental Analyses and Optimization of a Utility Boiler Based on Real Data

Author

Listed:
  • Sajad Koochakinia

    (Department of Mechanical Engineering, Hakim Sabzevari University, Sabzevar 9617976487, Iran)

  • Amir Ebrahimi-Moghadam

    (Mechanical Engineering Department, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran)

  • Mahdi Deymi-Dashtebayaz

    (Department of Mechanical Engineering, Hakim Sabzevari University, Sabzevar 9617976487, Iran)

Abstract

A numerical simulation for analysis and optimization of the performance and NOx production was applied to a natural gas fuel boiler in South Pars Gas Complex. For this purpose, nine actual environmental and operational parameters of a boiler were measured and recorded every two hours and then averaged daily for a year. Using the thermodynamic laws, important parameters such as body and exhaust flue gas losses, as well as the thermal efficiency and exergy efficiencies of the combustor and boiler, were calculated for each day. The results show that, owing to changes in the environmental and operational conditions, the thermal and exergy efficiency of the boiler varied from 83% to 87% and 27% to 32%, respectively, during the year. In addition, by optimizing the excess air percentage, the thermal and exergy efficiencies could be increased by 1.5% and 3%, respectively, for most days of the year.

Suggested Citation

  • Sajad Koochakinia & Amir Ebrahimi-Moghadam & Mahdi Deymi-Dashtebayaz, 2022. "Techno-Environmental Analyses and Optimization of a Utility Boiler Based on Real Data," Sustainability, MDPI, vol. 14(5), pages 1-19, February.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:5:p:2592-:d:756798
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    References listed on IDEAS

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