1000MW直流塔式超超临界锅炉水冷壁裂纹分析及处理

Analysis on cracks of water wall in 1000MW ultra-supercritical tower-type once-through boiler and treatment

介绍了某电厂1000MW直流塔式超超临界锅炉T23钢水冷壁裂纹的类型及泄漏部位的结构,分析了裂纹产生原因,提出了有效的解决方案。

The type of the cracks of water wall,the material of which is T23 steel,in 1000MW ultra-supercritical tower-type once-through boiler in a power plant was introduced;and the structure of leakage fault position was described.The reasons of the cracks were analyzed;and effective solution was put forward.