600MW机组高加泄漏原因分析及处理  

Reason Analysis and Treatment for High-pressure Heater Leakiness of 600MW Unit

作　　者：陈小林[1] 周江[2] 楼玉民[1] 杨点中[1] 徐长威[1] 

机构地区：[1]浙江省电力试验研究院,杭州310014 [2]国电浙江北仑第一发电有限公司,浙江宁波315800

出　　处：《浙江电力》2009年第2期29-31,共3页Zhejiang Electric Power

摘　　要：对某厂600 MW机组3号高加焊缝多次泄漏原因进行了分析。经过金相和SEM分析以及内窥镜检查,发现问题并采取相应的措施进行修补,至今运行3年有余未再发生泄漏。The leakiness reason of NO.3 high-pressure heater of 600 MW unit has been analyzed with metallo-graphic analysis and scanning electron microscope, and inspected with endoscope. There has been 3 years later since treatment for the problem, and NO. 3 high-pressure heater has never leaked out.

关 键 词：600MW机组 高加 泄漏 焊缝 

分 类 号：TM621[电气工程—电力系统及自动化]