大直径管道的薄壁化设计及应力分析方法  

Thin-Walled Design and Stress Analysis Method of Large Diameter Pipeline

作　　者：彭立国 宋尧 Peng Liguo(China Chengda Engineering Co.,Ltd.,Chengdu 610041)

机构地区：[1]中国成达工程有限公司,成都610041

出　　处：《化工设计》2021年第2期31-34,1,2,共6页Chemical Engineering Design

摘　　要：随着石油化工类等项目的日趋大型化,大直径管道的薄壁化设计在节省项目投资中的优势和重要性愈发突出。本文通过工程设计实例,使用SW6、CAESAR II和ANSYS等软件,对高温和内外压作用下的大直径薄壁管的设计进行分析和验算,总结设计思路和计算方法。计算结果是可靠的,在设计中加以应用可产生良好的经济效益。With the increasing scale of petrochemical projects,the advantages and importance of thin-walled design of large diameter pipelines are becoming more and more prominent in saving project investment.In this paper,through engineering design examples,SW6,CAESARⅡand ANSYS software are used to analyze and check the design of large diameter thinwalled pipes under high temperature and internal and external pressure,and summarizes the design ideas and calculation methods.The calculation result is reliable,and its application in the design can produce good economic benefits.

关 键 词：大直径薄壁管 外部加强圈 应力分析 有限元 SW6 CAESAR ANSYS 

分 类 号：TE65[石油与天然气工程—油气加工工程] TQ055.81[化学工程]