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Optimization of boiler start-up using a nonlinear boiler model and hard constraints

Author

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  • Krüger, Klaus
  • Franke, Rüdiger
  • Rode, Manfred

Abstract

The basis for control optimization is a nonlinear modeling for a drum-type boiler consisting of furnace, economizer, evaporator, superheaters, attemperator, turbine bypass and thick-walled components such as boiler drum and superheater header. After the mathematical formulation of the boiler start-up optimization problem and of the cost function, including the related hard constraints for inputs and states, the optimal reference and input control are calculated using a multi-stage control vector parameterization method and SQP techniques. The results of this optimization process are optimal reference values and the corresponding input trajectories. The control structures applied minimize both the fuel consumption and start-up time of the boiler.

Suggested Citation

  • Krüger, Klaus & Franke, Rüdiger & Rode, Manfred, 2004. "Optimization of boiler start-up using a nonlinear boiler model and hard constraints," Energy, Elsevier, vol. 29(12), pages 2239-2251.
    • Handle: RePEc:eee:energy:v:29:y:2004:i:12:p:2239-2251
    DOI: 10.1016/j.energy.2004.03.022
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    Citations

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    Cited by:

    1. Romero-Anton, N. & Martin-Escudero, K. & Portillo-Valdés, L.A. & Gómez-Elvira, I. & Salazar-Herran, E., 2018. "Improvement of auxiliary BI-DRUM boiler operation by dynamic simulation," Energy, Elsevier, vol. 148(C), pages 676-686.
    2. Lim, Jin Han & Hu, Eric & Nathan, Graham J., 2016. "Impact of start-up and shut-down losses on the economic benefit of an integrated hybrid solar cavity receiver and combustor," Applied Energy, Elsevier, vol. 164(C), pages 10-20.
    3. Dobos, László & Abonyi, János, 2011. "Controller tuning of district heating networks using experiment design techniques," Energy, Elsevier, vol. 36(8), pages 4633-4639.
    4. Granda, Mariusz & Trojan, Marcin & Taler, Dawid, 2020. "CFD analysis of steam superheater operation in steady and transient state," Energy, Elsevier, vol. 199(C).
    5. Erik Rosado-Tamariz & Miguel A. Zuniga-Garcia & Alfonso Campos-Amezcua & Rafael Batres, 2020. "A Framework for the Synthesis of Optimum Operating Profiles Based on Dynamic Simulation and a Micro Genetic Algorithm," Energies, MDPI, vol. 13(3), pages 1-23, February.
    6. Taler, Jan & Węglowski, Bohdan & Taler, Dawid & Sobota, Tomasz & Dzierwa, Piotr & Trojan, Marcin & Madejski, Paweł & Pilarczyk, Marcin, 2015. "Determination of start-up curves for a boiler with natural circulation based on the analysis of stress distribution in critical pressure components," Energy, Elsevier, vol. 92(P1), pages 153-159.
    7. Costanza, Vicente & Rivadeneira, Pablo S., 2015. "Optimal supervisory control of steam generators operating in parallel," Energy, Elsevier, vol. 93(P2), pages 1819-1831.
    8. Taler, Jan & Dzierwa, Piotr & Taler, Dawid & Harchut, Piotr, 2015. "Optimization of the boiler start-up taking into account thermal stresses," Energy, Elsevier, vol. 92(P1), pages 160-170.
    9. Karlsson, Magnus & Mardan, Nawzad, 2013. "Considering start-ups and shutdowns using an optimisation tool – Including a dairy production planning case study," Applied Energy, Elsevier, vol. 107(C), pages 338-349.

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