外取热器蒸发管失效分析及改进  

Failure Analysis and Improvement of Heat Removing Tube of External Heat Collector

作　　者：易建国[1] 

机构地区：[1]中石化股份有限公司上海高桥分公司,上海200137

出　　处：《压力容器》2011年第4期52-56,共5页Pressure Vessel Technology

摘　　要：对外取热器蒸发管失效进行了分析,得出热疲劳开裂和应力集中是导致蒸发管产生裂纹的主要原因,并提出了改进措施。The failure of heat removing tube of external heat collector are analyzed.It is concluded that the heat fatigue cracking and stress concentration are the major cause for crack generation of the heat removing tube and the improvement measures are proposed.

关 键 词：蒸发管 热疲劳开裂 失效分析 改进 

分 类 号：TQ052[化学工程] TQ055.8