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Optimisation of coal fineness in pulverised-fuel boilers

Author

Listed:
  • Pronobis, Marek
  • Mroczek, Kazimierz
  • Tymoszuk, Mateusz
  • Ciukaj, Szymon
  • Wejkowski, Robert
  • Janda, Tomasz
  • Jagodzińska, Katarzyna

Abstract

A method for choosing the optimum fineness of coal in pulverised-fuel boilers is presented. This method is based on economic criteria and takes into account variations of the power unit load as well as the durability and the output of pulverisers. Calculations are performed for short periods of time (e.g. 1 h), provided that it is possible to change the fineness of the coal by controlling the angle of the classifier guide vanes. Therefore, the optimum value, adapted to the current parameters, may be easily set. A program was created in MS Excel to perform the optimization calculations. It enables making decisions concerning the modernisation of grinding systems and their proper operation when changing the fuel characteristics as well as the load and costs of power unit operation.

Suggested Citation

  • Pronobis, Marek & Mroczek, Kazimierz & Tymoszuk, Mateusz & Ciukaj, Szymon & Wejkowski, Robert & Janda, Tomasz & Jagodzińska, Katarzyna, 2017. "Optimisation of coal fineness in pulverised-fuel boilers," Energy, Elsevier, vol. 139(C), pages 655-666.
  • Handle: RePEc:eee:energy:v:139:y:2017:i:c:p:655-666
    DOI: 10.1016/j.energy.2017.07.057
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    Cited by:

    1. Tymoszuk, Mateusz & Mroczek, Kazimierz & Kalisz, Sylwester & Kubiczek, Henryk, 2019. "An investigation of biomass grindability," Energy, Elsevier, vol. 183(C), pages 116-126.
    2. Madejski, Paweł & Żymełka, Piotr, 2020. "Calculation methods of steam boiler operation factors under varying operating conditions with the use of computational thermodynamic modeling," Energy, Elsevier, vol. 197(C).
    3. Maciej Dzikuć & Piotr Kuryło & Rafał Dudziak & Szymon Szufa & Maria Dzikuć & Karolina Godzisz, 2020. "Selected Aspects of Combustion Optimization of Coal in Power Plants," Energies, MDPI, vol. 13(9), pages 1-15, May.

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