超临界锅炉启动分离器液位计管座裂纹原因分析及处理  

Cause analysis and treatment of the cracks of liquid level meters for super-critical boiler start-up separator

作　　者：谭国良 张勇 李洪福 

机构地区：[1]贵港发电有限公司,广西贵港537100

出　　处：《华电技术》2015年第11期47-48,78,共2页HUADIAN TECHNOLOGY

摘　　要：某电厂对630 MW超临界机组启动分离器液位计管座进行检查时,发现管座角焊缝融合区出现裂纹。对开裂原因进行了分析,根据启动分离器的结构和材质特点制定了管座角焊缝补焊和热处理工艺,并提出了预防措施,确保机组的正常运行。There were cracks in the fusion zone of the socket fillet welds when the start-up water level meters were checked. The cause for cracks was analyzed. Based on the start-up separator's structure and material characteristics,the repair welding and the heat treatment procedure were made. The precautions were made to prevent the cracks and make sure the power unit run safe.

关 键 词：超临界 启动分离器 液位计管座 裂纹 补焊 热处理 

分 类 号：TM07[电气工程—电工理论与新技术]