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2 1#波纹管底部表面积盐组成分析结果

质量分数/% 积盐类 其他污染类 腐蚀产物类 Na2O Cl SO3 SiO2 P2O5 CaO MgO Al2O3 Fe2O3 Cr2O3 NiO 22.7 2.54 4.34 6.6 0.39 4.95 1.20 3.04 48.2 3.65 1.69