锅炉三级过热器及二级再热器管段更换原因分析与对策

Analysis and Countermeasures to the Third Stage Superheater and Second Stage Reheater Tubes Replacement of 350 MW Boiler

对锅炉三级过热器、二级再热器吹灰器附近管段管壁冲刷减薄损伤进行了原因分析,并且采取相应对策,解决了吹灰器附近受热面管排过度冲刷问题,保证了锅炉正常运行。

The thinning of boiler third level supperheater tubes and second level reheater tubes around long-sootblowers were analyzed,several countermeasures were taken,then tube problem due to over-erode was solved,It ensures two boilers operating in good condition.