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Accelerated start-up of the steam turbine by means of controlled cooling steam injection

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  • Badur, Janusz
  • Bryk, Mateusz

Abstract

The paper presents the results of a Thermal-FSI analysis of accelerated start-up of a turbine controlled by an additional injection of cooling steam. The work contains a description of the phenomena that occur during the start-up as well as the accompanying effects. Attention is paid to structural elements that limit the speed of regulation of the steam unit. In order to estimate the possibility of accelerating the turbine start-up, four turbine starting simulations were carried out. Two simulations relate to the 3 h start-up, two consecutive ones to the 2 h start-up. Then the results of flow and strength simulation were presented. In the work, global stress of the rotor of the HP turbine part and the local rotor stress in the first rotor notch were analyzed. As a result of the simulations and analyses, the possibility of reducing the required start-up time from 3 h to 2 h was confirmed.

Suggested Citation

  • Badur, Janusz & Bryk, Mateusz, 2019. "Accelerated start-up of the steam turbine by means of controlled cooling steam injection," Energy, Elsevier, vol. 173(C), pages 1242-1255.
    • Handle: RePEc:eee:energy:v:173:y:2019:i:c:p:1242-1255
    DOI: 10.1016/j.energy.2019.02.088
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    References listed on IDEAS

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    1. Badur, Janusz & Ziółkowski, Paweł & Sławiński, Daniel & Kornet, Sebastian, 2015. "An approach for estimation of water wall degradation within pulverized-coal boilers," Energy, Elsevier, vol. 92(P1), pages 142-152.
    2. Kosman, Gerard & Rusin, Andrzej, 2001. "The influence of the start-ups and cyclic loads of steam turbines conducted according to European standards on the component's life," Energy, Elsevier, vol. 26(12), pages 1083-1099.
    3. Ji, Dong-Mei & Sun, Jia-Qi & Dui, Yue & Ren, Jian-Xing, 2017. "The optimization of the start-up scheduling for a 320 MW steam turbine," Energy, Elsevier, vol. 125(C), pages 345-355.
    4. 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.
    5. Dong-mei, Ji & Jia-qi, Sun & Quan, Sun & Heng-Chao, Guo & Jian-xing, Ren & Quan-jun, Zhu, 2018. "Optimization of start-up scheduling and life assessment for a steam turbine," Energy, Elsevier, vol. 160(C), pages 19-32.
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    Cited by:

    1. Konstantin Osintsev & Sergei Aliukov & Sulpan Kuskarbekova, 2021. "Experimental Study of a Coil Type Steam Boiler Operated on an Oil Field in the Subarctic Continental Climate," Energies, MDPI, vol. 14(4), pages 1-23, February.
    2. Kruk-Gotzman, Sylwia & Ziółkowski, Paweł & Iliev, Iliya & Negreanu, Gabriel-Paul & Badur, Janusz, 2023. "Techno-economic evaluation of combined cycle gas turbine and a diabatic compressed air energy storage integration concept," Energy, Elsevier, vol. 266(C).

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