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Reliability of furnace waterwalls of hot-water boilers

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Abstract

It is shown that scale formation plays a deciding role among the factors that cause the wall temperature and axial thermal stresses to rise to limiting values at which waterwall tubes lose their strength. Conditions under which hydraulic nonuniformity of waterwall tube panels, a phenomenon stimulating the growth of scale in misadjusted tubes, occurs are considered. Ways for achieving better operational reliability of waterwall tubes are discussed.

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References

  1. B. Ya. Kamenetskii, “Justification of Standards on the Hardness of Water for Hot-Water Boilers,” Teploenergetika, No. 7, 60–62 (2005) [Therm. Eng. No. 7 (2005)].

  2. B. Ya. Kamenetskii, M. E. Shitsman, and V. I. Myakas, “The Temperature Conditions under which the Lower Radiant Part of a PK-41 Boiler Operates In the Starting and Shutdown Modes,” Elektr. Stn., No. 7, 25–27 (1973).

  3. B. Ya. Kamenetskii, “Formation of Scale Deposits in Heating Boilers,” Vodosnab. Sanit. Tekhn., No. 7, 20–21 (1985).

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  5. Codes for the Design and Safe Operation of Steam and Hot-Water Boilers (Energoatomizdat, Moscow, 2003) [in Russian].

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Authors and Affiliations

  1. All-Russia Research Institute of Nuclear Power Engineering Federal State Unitary Enterprise (VNIIAM), ul. Kosmonavta Volkova 6a, Moscow, 125171, Russia

    B. Ya. Kamenetskii

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  1. B. Ya. Kamenetskii
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Original Russian Text © B.Ya. Kamenetskii, 2008, published in Teploenergetika.

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Kamenetskii, B.Y. Reliability of furnace waterwalls of hot-water boilers. Therm. Eng. 55, 780–784 (2008). https://doi.org/10.1134/S0040601508090097

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  • DOI: https://doi.org/10.1134/S0040601508090097

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