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Design,Manufacture and Maintenance of pressure Equipment Based on Accidents Survey

Chinese Journal of Mechanical Engineering 2011年第2期24卷 167-178页

作者： CHEN Xuedong AI Zhibin FAN Zhichao WANG Bing DOU Wanbo YANG Tiecheng GUAN Weihe National Technical Research Center on Safety Engineering of pressure Vessels and Pipelines Hefei General Machinery Research Institute Hefei 230031 China

Most of the important units of pressure equipment have been manufactured successfully in China related to the national key construction projects,such as 10 million tons/year oil refinery,million tons/year ethylene,large coal chemical,***,some of them failed to operate shortly after their putting into *** suffered severe damage even during the previous period of manufacture and *** this paper,cases of accident survey and failure analysis are given for some typical pressure *** is found that many accidents are related to insufficient consideration of the design and manufacture of the *** accidents occur fundamentally because of the Chinese design standards codes for pressure equipment without risk or life concepts and the support from a database for potential risk existing in their dynamic *** designers and manufacturers are unable to make correct design,materials selection and manufacturing process all due to a lack of engineering *** order to avoid the repetition of the accidents and improve the safety,reliability and economy of pressure equipment,a platform is suggested for design,manufacture and maintenance of pressure equipment in China based on accidents *** other words,some effective precautionary measures are taken at the design and manufacture stage,and the design methodology has to be based on service life requirement and desirable risk *** the service stage some reasonable inspection/monitoring approaches should be utilized to control risks and ensure the equipment operating safely until its desired ***,the basic scheme and some key technologies are briefly given for the platform *** concept of risk and life based design,manufacture and maintenance proposed herein has important significance for improving and perfecting the codes and standards for design,manufacture and maintenance of Chinese pressure-bearing equipment,enhancing the life and reliability of

关键词： pressure vessel pressure piping damage risk design manufacture maintenance

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