某干气车间净化器壳体错边完整性评价  

Integrity Evaluation for Misalignment of a Pressure Vessel Shell in one Dry Gas Workshop

作　　者：郭肆伟 荆琳[2] 姜海一[3] 赵文静[3] 

机构地区：[1]中国石油伊拉克公司艾哈代布项目,北京100011 [2]河北华北油田特种设备检验所,任丘062552 [3]中国特种设备检测研究院,北京100029

出　　处：《中国特种设备安全》2016年第6期34-36,共3页China Special Equipment Safety

摘　　要：本文针对某干气车间净化器在定期检验中发现的封头与筒体连接环焊缝的超标错边缺陷,采用合于使用评价方法对其安全性进行分析,利用JB 4732—1995《钢制压力容器——分析设计标准》中的塑性极限载荷分析方法进行有限元分析,得出该台容器的最大允许操作压力不超过塑性极限内压的2/3,可以满足使用要求,建议使用单位运行期间对该容器加强监控管理,避免内压力、温度剧烈波动,避免应力腐蚀、疲劳失效的发生,适当缩短下一检验周期。As an out-of-standard misalignment defect between the head and cylinder was found during periodic inspection for a dry gas purifier, fitness-for-service evaluation was applied to analysis its safety. Based on plastic limited load analysis in the standard JB 4732-1995： Steel Pressure Vessels--Designed by Analysis, the result of finite element analysis showed that its MAWP was not bigger than 2/3 of plastic limit internal pressure which could meet working requirements. It was advised that user should strengthen monitoring management during the operation to avoid violently vibrating of pressure ＆ temperature, and stress corrosion, fatigue failure, and should shorten inspection period.

关 键 词：有限元分析 塑性极限载荷分析 合于使用评价 

分 类 号：X933.4[环境科学与工程—安全科学]