摘要
某循环水管道双金属温度计保护套管短期使用后即发生了断裂,通过宏观、断口检测及计算等方法进行断裂原因分析,结果表明保护套管断裂主要原因是由于管道中两相流的作用,引起套管共振,产生超高周疲劳断裂,并提出了套管安装使用的建议。
After having been used for a short period,fracture occurred on the protection sleeve of bimetal thermometer of a circulating water line.Through analyzing the fracture by macro,fracture surface test and calculation,it is found out that the fracture was mainly caused by the effect of two-phase flow in the line which led to sleeve resonance and consequently,ultra-high cycle fatigue fracture occurred.This paper then puts forward some suggestions for installation and use of the sleeve.
出处
《石油化工设备技术》
CAS
2013年第5期64-66,9,共3页
Petrochemical Equipment Technology
关键词
温度计保护套管
两相流
共振
超高周疲劳
Thermometer protection sleeve
Two-phase flow
Resonance
Ultra-high cycle fatigue
