烟机出口管线中失效膨胀节的有限元应力计算.pdf

烟机出口管线中失效膨胀节的有限元应力计算 马金华1孙福广1杨吉梅1 曾文海2陈学兵2罗 昕2 (1．合肥通用机械研究院，安徽合肥230051； 2．中石化股份有限公司长炼分公司，湖南岳阳414012) 摘要：针对中国石油化工股份有限公司某分公司重油催化裂化装置能量回收系统中烟气管道的 水封罐上端一段水平管线两个膨胀节失效泄漏，为分析失效事故原因，本文对失效的膨胀节进行了 有限元计算与分析，且提出了改进措施。 关键词：重油催化裂化装置；膨胀节；失效分析；有限元计算与分析；应力评定 FiniteElementStress ofDisabled Computation ofHueGasTurbineExit Joints Expansion Pipeline Ma Sun ZENGWen—hal2CHEN jin—hualFu—guangJi—Meil Yang Xue～bin矿LUO—Xin2 General Research (1．Hefei MachineryInstitute； 2．SINOPEC Oil Chang,lingRefineryBranch，Yueyang414012，China) tothefailure two Abstract：With accidentsuchas of of level respect length rupture expansionjoint pipe— in lineofwater tin exit the forresidualoil of pressurizeup energyrecoverysystem catalyticcracking plant of to abranch Petro order thecansesforfailure elementeOITI． companyChina，in analyze accidents，finite and areconductedonthis ofthefailed and actions putationanalysis segment expansionjoint improvement are proposed． oil element words：residualcatalytic Key crackingplant；expansionjoint；failureanalysis；finiteeompu— tatlonand assessment analysis；stress