对《压力容器波形膨胀节》2018版新标准的理解及分析  

Comprehending and Analysis on GB/T 16749-2018"Bellow Expansion Joint for Pressure Vessel"

作　　者：郑院梅 刘利武 匡良明 Zheng Yuanmei;Liu Liwu;Kuang Liangming(Morimatsu Grcnip(China),Shanghai 201323)

机构地区：[1]森松集团(中国),上海201323

出　　处：《中国特种设备安全》2021年第9期51-55,共5页China Special Equipment Safety

摘　　要：针对GB/T 16749-2018《压力容器波形膨胀节》最新版的修订内容,提出几个在应用过程中经常遇到的诸如成形减薄量、成形变形率、疲劳累计损伤、HZ型膨胀节不适应疲劳工况、直边长度、许用疲劳次数等有关问题及其相关理解.借鉴国外EJMA、ASME VⅢ-1&2和EN 13445-3标准进行分析,并对解决方案进行探讨。将有助于大家对新标准的理解和运用,也为今后对标准内容的进一步完善和适应范围的进一步扩大提供一定的参考。On the revised contents of GB/T16749-2018,this paper puts forward several questions and comprehending in the use such as the amount of forming thinning,the forming deformation rate,the cumulative fatigue damage,the un-adaptability of HZ type to fatigue conditions,the straight edge length,the allowable fatigue times and so on」t analyses them with reference to foreign EJMA and ASME VIII-1 and en 13445-3 standards,and solutions are also discussed which will help everyone to comprehend and use the new standards,and provide reference for further improvement of the standard content&the further expansion of the scope of application in the future.

关 键 词：膨胀节 EJMA 波纹管 探讨 分析 

分 类 号：X933.4[环境科学与工程—安全科学]