摘要
电站大型锅炉过热引起爆破占“四管”爆漏事故的10.9%以上,现就爆漏表现、破口分析事故原因和防止措施,用实例加以详细说明。
Tube failures caused by overheating of "four kinds of tubes" in large - capacity boiler accounts for more man 10.5% of the total tube Mures. This paper illustrates the tube failure forme, breach analysis, their causes and the prevailing measures, with examples.
出处
《锅炉制造》
1998年第4期12-18,
Boiler Manufacturing
关键词
过热胀粗
超温
爆管
破口分析
diametrical expansion by overheating
supertemperature
tube failures
breachanalysis