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Modelling and optimization of the firing zone of a tunnel kiln to predict the optimal feed locations and mass fluxes of the fuel and secondary air

Author

Listed:
  • Kaya, Sinem
  • Mançuhan, Ebru
  • Küçükada, Kurtul

Abstract

Optimization of the firing zone was done to minimize the fuel cost as being the objective function by finding the optimal operating variables. These variables are the initial admixed coal (AC) in the brick body, the mass flux and locations of pulverized coal (PC) and the secondary air required for complete combustion. The constraints are the carbon coming from the AC which increases the porosity of the bricks, and should be consumed completely. Two other constraints to avoid thermal shock are the temperature difference between bricks and air, and the maximum heating rate of the bricks. The results were compared to the plant data.

Suggested Citation

  • Kaya, Sinem & Mançuhan, Ebru & Küçükada, Kurtul, 2009. "Modelling and optimization of the firing zone of a tunnel kiln to predict the optimal feed locations and mass fluxes of the fuel and secondary air," Applied Energy, Elsevier, vol. 86(3), pages 325-332, March.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:3:p:325-332
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    Cited by:

    1. Milani, M. & Montorsi, L. & Venturelli, M. & Tiscar, J.M. & García-Ten, J., 2019. "A numerical approach for the combined analysis of the dynamic thermal behaviour of an entire ceramic roller kiln and the stress formation in the tiles," Energy, Elsevier, vol. 177(C), pages 543-553.
    2. Václav Kočí & Lenka Scheinherrová & Jiří Maděra & Martin Keppert & Zbigniew Suchorab & Grzegorz Łagód & Robert Černý, 2020. "Experimental and Computational Study of Thermal Processes in Red Clays Exposed to High Temperatures," Energies, MDPI, vol. 13(9), pages 1-15, May.
    3. Bahadori, Alireza & Vuthaluru, Hari B., 2010. "Novel predictive tools for design of radiant and convective sections of direct fired heaters," Applied Energy, Elsevier, vol. 87(7), pages 2194-2202, July.
    4. Miguel Castro Oliveira & Muriel Iten & Pedro L. Cruz & Helena Monteiro, 2020. "Review on Energy Efficiency Progresses, Technologies and Strategies in the Ceramic Sector Focusing on Waste Heat Recovery," Energies, MDPI, vol. 13(22), pages 1-24, November.
    5. Francesco Boenzi & Joaquín Ordieres-Meré & Raffaello Iavagnilio, 2019. "Life Cycle Assessment Comparison of Two Refractory Brick Product Systems for Ladle Lining in Secondary Steelmaking," Sustainability, MDPI, vol. 11(5), pages 1-22, March.

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