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通过宏观分析、化学成分分析、机械性能测试、金相分析等方法对600 MW亚临界机组锅炉水冷壁爆管的原因进行了分析,分析结果表明,水冷壁爆管为氢损伤所致,并提出了相应的预防措施。
The reasons of water wall explosion of 600 MW subcritical unit boiler were analyzed by macroscopic analysis, chemical composition analysis, mechanical property test and metallographic analysis. The analysis results show that the water wall explosion is caused by hydrogen damage and proposed The corresponding preventive measures.