The outward form and characteristics of the broken overheater tube are listed in this paper. The means for tube broken prevention are introduced by cause analysis of it.
列出了过热器爆管破口的宏观形貌和特征。通过对爆管原因的分析，提出了预防爆管的措施。
Causes bring on the burst tube in the front screen overheater of WGZ670/13.7-8 type boiler at the Selfbuilt Power Plant by WISCO are analyzed and preventatives raised in the paper.
从运行管理上对武钢自备电厂WGZ670／13．7-8型锅炉前屏过热器爆管原因进行了分析，并提出了预防的对策。
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