600 MW机组凝汽器不锈钢管腐蚀原因分析
常亮,王锋涛,张小霓,王卫军,薛昌刚,王超煜
Analysis on the corrosion causes of stainless steel tubes in condensers of 600 MW unit
Liang Chang,Fengtao Wang,Xiaoni Zhang,Weijun Wang,Changgang Xue,Chaoyu Wang
表8
管样4汽侧蚀坑处物质的能谱分析结果
%
元素
O
Na
Cl
Si
Ca
Fe
Cr
Ni
Mo
Mg
S
EDS Spot 1
37.75
15.38
8.80
5.65
3.18
7.52
1.12
0.35
—
3.36
6.91
EDS Spot 2
36.58
20.90
18.28
1.81
2.27
4.84
0.63
0.14
3.08
—
2.25
Selected Area 2
32.42
22.14
5.00
6.41
5.22
16.58
1.66
—
—
—
2.76