摘要
介绍了传统的基于Taylor-Forge法的法兰连接系统设计规范,同时简述了美国压力容器委员会和欧洲标准协会的研究成果及进展,并对欧盟标准EN 13445附录G法兰设计另一方法作了详细介绍。给出实例,分别采用传统法和EN 13445附录G两种法兰设计方法进行计算,通过对两种计算结果分析发现,两种方法都能保证法兰连接的强度和一定的密封性,但EN 13445附录G基于泄漏率准则,提高了法兰连接螺栓接头的密封性能,为国内法兰设计研究者提供一定的参考经验。
Some traditional design rules based on Taylor-Forge for flange joints are introduced. At the same time ,the research achievements and progress on the standards by PVRC and CEN are described. Then, a detail introduction of the annex G of EN 13445 standard issued by CEN are given. Comparing the two calculation methods annex G of EN 13445 and traditional design rules,by analyzing the calculation results of the two methods that both of them could ensure the strength and tightness. But the annex G of EN 13445 standard based on leakage rate, and the sealing performance of flange joint is improved. It will provide reference for researchers to research the flange joint
作者
姜峰
王雅
俞树荣
梁瑞
JIANG Feng WANG Ya YU Shu - rong LIANG Rui(College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, Chin)
出处
《压力容器》
2017年第3期50-56,共7页
Pressure Vessel Technology
关键词
法兰连接
垫片系数
预紧力
密封
flange joint
gasketed parameter
pre-tightening force
tightness
