600MW超超临界锅炉省煤器入口集箱管座热应力计算及结构优化

Thermal stress calculation and structural optimization of tube socket for economizer inlet header in 600MW Supercritical boiler

本文针对600MW超超临界机组省煤器入口集箱管座裂纹,从多方面进行原因分析,并建模计算验证,提出改进措施,保障锅炉的安全运行。

In this article,crack of the tube socket for economizer inlet header in some 600MW supercritical boiler is described.The reasons are analyzed from various aspects,then modeling calculation and verification and design improvement measure are proposed,which ensures the safe operation of boiler.