高温隔热支腿的设计及应用  

DESIGN AND APPLICATION OF HIGH-TEMPERATURE INSULATION LEGS

作　　者：孙琰 Sun Yan(SINOPEC Ningbo Engineering Co.,Ltd.,Ningbo 315103)

机构地区：[1]中石化宁波工程有限公司,浙江宁波315103

出　　处：《大氮肥》2025年第2期112-116,共5页Large Scale Nitrogenous Fertilizer Industry

摘　　要：介绍了高温隔热支腿的组成、功能及作用原理。以某石油化工装置中大口径高温管道的高温隔热支腿为例,分别采用理论计算和有限元计算对其强度分布进行分析,并将两种计算的结果相互对比印证。研究表明:高温隔热支腿结构简单,隔热效果较好,强度校核方式成熟,校核过程简便,在大口径高温管道上的使用安全可靠。在大口径高温管道系统中,建议使用高温隔热支腿,用于管道系统的支撑。The paper introduces the composition,function,and working principle of high-temperature insulation legs.Taking the high-temperature insulation legs of large-diameter high-temperature pipelines in a petrochemical plant as an example,theoretical calculations and finite element analysis(FEA)were conducted to evaluate their strength distribution,and the results of the two methods were compared and verified.The research has shown that high-temperature insulation legs feature a simple structure,effective insulation performance,mature strength verification methods,and simple verification process.Their application in large-diameter high-temperature pipelines is proven to be safe and reliable.It is recommended to use high-temperature insulation legs for support of pipeline system.

关 键 词：大口径高温管道 高温隔热支腿 应力强度 理论计算 有限元 

分 类 号：TE973[石油与天然气工程—石油机械设备]