而且磨损也正是省煤器爆管在锅炉四管爆破事故中占的比例较高的原因之一。
Wear and it is also the economizer tube in boiler four tube blasting accident accounted for the proportion of one of the reasons for high.
近年来，大容量锅炉高温受热面超温爆管现象普遍，严重危及了机组的安全、经济运行。
The prevalent over-temperature caused tube bursting of high-temperature heating surface in large-capacity boilers in recent years has seriously endangered the safe and economic operation of units.
监测与诊断结果表明：锅炉经常发生在炉膛四角爆管的事故，是由于水循环工况不良而引起的。
The online monitoring and fault diagnose results show that the accidents of occurring often boiler furnace corner tube rupture are due to water circulation condition badness at operation.
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