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    Volume 7, Issue 1

    Failure Analysis of Superheater Tubes Cracking of a Boiler in a Power Plant

    (Received 5 September 2017; accepted 13 December 2017)

    Published Online: 2018

    CODEN: MPCACD

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    Abstract

    A failure analysis was performed on a power plant’s boiler superheater tubes that had burst. The macromorphology, chemical composition, microstructure, and mechanical properties were analyzed by experimental testing. Results showed that the superheater tube bursts can be classified as creep ductile cracks because the two tubes operated in overtemperature and low heat transfer efficiency conditions for a long time, and one of the tubes did not meet the material requirements. Finally, preventative measures were put forward.

    Author Information:

    Sun, Zhiwei
    College of Chemical Engineering, China University of Petroleum (Huadong), Qingdao, Huangdao District

    Fan, Yuling
    College of Chemical Engineering, China University of Petroleum (Huadong), Qingdao, Huangdao District

    Xu, Shugen
    College of Chemical Engineering, China University of Petroleum (Huadong), Qingdao, Huangdao District

    Song, Mingda
    Shandong Special Equipment Inspection Institute Co., Ltd., Jinan,

    Zhang, Yuan
    College of Chemical Engineering, China University of Petroleum (Huadong), Qingdao, Huangdao District


    Stock #: MPC20170141

    ISSN:2379-1365

    DOI: 10.1520/MPC20170141

    Author
    Title Failure Analysis of Superheater Tubes Cracking of a Boiler in a Power Plant
    Symposium ,
    Committee A01