摘要
本文针对国投钦州发电有限公司1#锅炉主蒸汽管水压堵阀更换过程产生的焊接裂纹进行原因分析,并采取了相应的改进措施,最终解决了水压堵阀焊接裂纹技术难题。
The paper studied the reasons of weld crack, which has been in the process of replacement main steam pressure control valve of the Nol boiler in some plant. The technical problem of weld crack in the pressure control valve has been settled after adopting improvement measures. The results contribute to design of pressure control valve＇s constructing technology on the spot.
出处
《中国特种设备安全》
2010年第1期56-58,共3页
China Special Equipment Safety
关键词
堵阀
焊接裂纹
工艺措施
Control valve Weld crack Technological measure
