Cause analysis of the water cooled wall tube burst focused on irrational points of design,excessive thermal loading,changes of coal category,burner defects and deposits in throttle valves.

• 着重从锅炉设计不合理、热负荷过高、煤种变化、燃烧器的缺陷及节流阀结垢等方面分析了水冷壁爆管的原因,指出必须进行锅炉改造。