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SHAN Guangbin, LIU Xiaohui, LI Guijun, HUANG Xianbin, QU Dingrong. Failure Reason of the Heat Exchanger Outlet Line of Diesel Hydrogenation Unit[J]. Corrosion & Protection, 2020, 41(1): 76-78. DOI: 10.11973/fsyfh-202001014
Citation: SHAN Guangbin, LIU Xiaohui, LI Guijun, HUANG Xianbin, QU Dingrong. Failure Reason of the Heat Exchanger Outlet Line of Diesel Hydrogenation Unit[J]. Corrosion & Protection, 2020, 41(1): 76-78. DOI: 10.11973/fsyfh-202001014
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Failure Reason of the Heat Exchanger Outlet Line of Diesel Hydrogenation Unit

  • SINOPEC Safety Enginerring Institute, Qingdao 266071, China

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  • Received Date: December 14, 2017
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    • Abstract
  • The leakage problem of the hydrogenation reaction effluent/raw oil heat exchanger outlet pipeline of a diesel hydrogenation unit of a company was systematically analyzed and tested. The results show that the mechanism of pipe cracking was chloride stress corrosion cracking of austenitic stainless steel. Corresponding prevention measures were proposed for the pipeline failure cause.
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    • References (4)
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    CRAGNOLINO G,MACDONALD D. Intergranular stress corrosion cracking of austenitic stainless steel at temperatures below 100 C-A review[J]. Corrosion,1982,38(8):406-24.
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    TSENG C M,TSAI W T. Environmentally assisted cracking behavior of single and dual phase stainless steels in hot chloride solutions[J]. Materials chemistry and physics,2004,84(1):162-70.
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    杨宏泉,段永锋. 奥氏体不锈钢的氯化物应力腐蚀开裂研究进展[J]. 全面腐蚀控制,2017,31(1):13-19.
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    李祖贻. 湿硫化氢环境下炼油设备的腐蚀与防护[J]. 石油化工腐蚀与防护,2001,18(3):1-5.
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