某电厂600MW超临界锅炉水冷壁上集箱管接头裂纹分析及改进措施  

Crack Analysis and Improvement Measures for pipe joint on water wallupper header of 600 MW Supercritical Boiler in a Power Plant

作　　者：颜廷锐[1] 李金凤[1] 董清梅[1] YAN Tingrui;LI Jinfeng;DONG Qingmei(State Key Laboratory of Low-carbon Thermal Power Generation Technology and Equipments(Harbin Boiler Company Limited),Harbin 150046,China)

机构地区：[1]低碳热力发电技术与装备全国重点实验室(哈尔滨锅炉厂有限责任公司),黑龙江哈尔滨150046

出　　处：《锅炉制造》2025年第2期25-26,33,共3页Boiler Manufacturing

摘　　要：从某电厂水冷壁上集箱管接头裂纹分析入手,简要介绍了600MW超临界锅炉的整体布置,基本锅炉布置情况,深入分析了其在正常运行及启停炉过程中的热膨胀机理,阐明了该电厂水冷壁上集箱管接头产生裂纹原因及处理结果。Based on the analysis of the crack of pipe joint on water wall upper header of a power plant,the overall layout and basic boiler layout of 600MW supercritical boiler are briefly introduced.The thermal expansion mechanism during normal operation and furnace start-up and shutdown is deeply analyzed.The causes of cracks in header joint on water wall upper header and the treatment results are expounded.

关 键 词：600MW超临界锅炉 水冷壁上集箱管接头 裂纹 

分 类 号：TM621[电气工程—电力系统及自动化]