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Structural Integrity Analysis of Two Over-Temperature Methanation Furnaces

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Abstract

Two methanation furnaces each had two over-temperature faults. The shell deformation degree, hydrogen cracking, and the microstructure and property of the shell material were analyzed through on-site inspection and simulation experiments. Considering the effects of pearlite spheroidization, the deterioration limit of the shell material was estimated. Strength checks of the two over-temperature methanation furnaces were conducted. The analyses revealed that the methanation furnaces basically met the requirements of subsequent safe operation, and relevant opening reinforcements were suggested.

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Acknowledgments

The authors gratefully acknowledge the financial support provided by National Natural Science Foundation of China (Grant No. 51705265). Thanks to Dr. Edward C. Mignot, Shandong University, for linguistic advice.

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Authors and Affiliations

  1. School of Mechanical and Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), 3501 Daxue Road, Jinan, 250353, China

    Ming Zhang

  2. School of Mechanical Engineering, Shandong University, 17923 Jingshi Road, Jinan, 250061, China

    Weiqiang Wang & Pengfei Wang

  3. Engineering and Technology Research Center for Special Equipment Safety of Shandong Province, 17923 Jingshi Road, Jinan, 250061, China

    Weiqiang Wang & Pengfei Wang

Authors
  1. Ming Zhang
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  2. Weiqiang Wang
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  3. Pengfei Wang
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Correspondence to Ming Zhang.

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Zhang, M., Wang, W. & Wang, P. Structural Integrity Analysis of Two Over-Temperature Methanation Furnaces. J Fail. Anal. and Preven. 19, 230–236 (2019). https://doi.org/10.1007/s11668-019-00591-4

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  • DOI: https://doi.org/10.1007/s11668-019-00591-4

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