锅炉水冷壁管爆破原因分析
Analysis on Burst Causes of Water Screen Tube for Boiler
黄 磊, 李文竹, 庞兆夫, 王晓峰
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作者单位:鞍钢股份有限公司 技术中心, 辽宁 鞍山 114009
中文关键字:水冷壁管; 爆破; 短期过热; 冷却水
英文关键字:water screen tube; burst; overheat; cooling water
中文摘要:通过化学成分分析、力学性能测试、断口的宏、微观观察及金相组织观察等方法,对锅炉厂的水冷壁管爆破原因进行了综合分析。结果表明:该水冷壁管属短期过热爆管,爆破原因是短期未通冷却水所致。
英文摘要:The burst causes of water screen tube were analyzed with the methods of chemical analysis, mechanical test, fracture analysis and metallographic observation. The results show that water screen tube is abruptly absent cooling water, which leads to overheat burst.