锅炉放空管断裂事故原因分析  

Cause Analysis about the Breaking Accident on the Boiler's Venting Tube

作　　者：童良怀 方正中 

机构地区：[1]浙江衢州市特种设备检验中心,衢州324000

出　　处：《工业锅炉》2009年第5期65-67,共3页Industrial Boilers

摘　　要：锅炉放空管在操作过程中发生断裂事故,通过现场检测和分析计算,发现蒸汽在排放时形成的反作用力是放空管断裂的直接原因。The venting tube breaks when the boiler operating. After the inspections and the analysis and computation, discover the immediate cause that resulted in the venting tube＇s breaking. The immediate cause is mpact force generate from steam outlet

关 键 词：放空管断裂 弯头 反冲击力 弯曲应力 

分 类 号：TK229[动力工程及工程热物理—动力机械及工程]