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Structural and Parametric Optimization of S-CO 2 Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia

Author

Listed:
  • Andrey Rogalev

    (Department of Innovative Technologies of High-Tech Industries, National Research University “Moscow Power Engineering Institute”, 111250 Moscow, Russia)

  • Vladimir Kindra

    (Department of Innovative Technologies of High-Tech Industries, National Research University “Moscow Power Engineering Institute”, 111250 Moscow, Russia)

  • Ivan Komarov

    (Department of Innovative Technologies of High-Tech Industries, National Research University “Moscow Power Engineering Institute”, 111250 Moscow, Russia)

  • Sergey Osipov

    (Department of Innovative Technologies of High-Tech Industries, National Research University “Moscow Power Engineering Institute”, 111250 Moscow, Russia)

  • Olga Zlyvko

    (Department of Innovative Technologies of High-Tech Industries, National Research University “Moscow Power Engineering Institute”, 111250 Moscow, Russia)

Abstract

The Rankine cycle is widely used for electricity production. Significant weight and size characteristics of the power equipment working on superheated steam are the main disadvantages of such power plants. The transition to supercritical carbon dioxide (S-CO 2 ) working fluid is a promising way to achieve a significant reduction in equipment metal consumption and to increase energy efficiency. This paper presents the results of thermodynamic analysis of S-CO 2 thermal power plants (TPPs) utilizing the heat of combustion products of an energy boiler. It was found that the net efficiency of the developed S-CO 2 TPP with a pulverized coal-fired boiler reached 49.2% at an initial temperature of 780 °C, which was 2% higher compared to the efficiency level of steam turbine power plants (STPPs) at a similar turbine inlet temperature.

Suggested Citation

  • Andrey Rogalev & Vladimir Kindra & Ivan Komarov & Sergey Osipov & Olga Zlyvko, 2021. "Structural and Parametric Optimization of S-CO 2 Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia," Energies, MDPI, vol. 14(21), pages 1-20, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:21:p:7136-:d:669736
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    References listed on IDEAS

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    1. Liu, Yaping & Wang, Ying & Huang, Diangui, 2019. "Supercritical CO2 Brayton cycle: A state-of-the-art review," Energy, Elsevier, vol. 189(C).
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    5. Andrey Rogalev & Nikolay Rogalev & Vladimir Kindra & Ivan Komarov & Olga Zlyvko, 2021. "Research and Development of the Oxy-Fuel Combustion Power Cycles with CO 2 Recirculation," Energies, MDPI, vol. 14(10), pages 1-18, May.
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    Cited by:

    1. Miroslav Variny, 2022. "Comment on Rogalev et al. Structural and Parametric Optimization of S-CO 2 Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia. Energies 2021, 14 , 7136," Energies, MDPI, vol. 15(5), pages 1-5, February.
    2. Vladimir Kindra & Nikolay Rogalev & Andrey Rogalev & Vladimir Naumov & Ekaterina Sabanova, 2022. "Thermodynamic Optimization of Low-Temperature Cycles for the Power Industry," Energies, MDPI, vol. 15(9), pages 1-21, April.

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