1 000 MW汽轮机中低缸导汽管膨胀节腐蚀爆破分析

王卫军,卢允谦,李长鸣,赵勇峰,周志平

Analysis of corrosion and blasting mechanism for closed tube expansion joint of middle and low-pressure cylinder of 1 000 MW steam turbine

Weijun Wang,Yunqian Lu,Changming Li,Yongfeng Zhao,Zhiping Zhou

表1 裂纹内组成元素含量能谱测定结果

% 波纹管序号 C O Na Mg Si Mo Cl Ca Cr Fe Ni 1# 50.35 21.66 6.55 0.44 1.02 1.28 1.28 2.22 2.70 11.04 1.46 2# 25.83 9.23 2.93 1.07 0.55 1.03 0.54 1.06 10.02 29.45 6.77 3# 18.23 3.85 1.81 0.16 0.25 1.32 0.80 0.71 22.27 40.22 7.81