核电机组和超超临界机组水汽系统中的SO<sub>4</sub><sup>2-</sup>问题

傅洁琦; 王罗春; 丁桓如

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上海电力大学学报:2010,26(6):581-584

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核电机组和超超临界机组水汽系统中的SO₄^2-问题

傅洁琦, 王罗春, 丁桓如

(上海电力学院能源与环境工程学院, 上海 200090)

Problems of Sulfate Radical in the Water-steam System of Nuclear Units and Ultra-Supercritical Units

FU Jie-qi, WANG Luo-chun, DING Huan-ru

(School of Thermal Power and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

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投稿时间：2010-03-01

中文摘要: 核电机组和超超临界机组对水汽系统的水质要求很高,除了对一般机组的Na⁺,Cl^-,SiO₂含量提出要求外,还对水中SO₄^2-含量有一定要求,原因在于SO₄^2-会引起不锈钢、耐热合金钢和镍基金属的晶间应力腐蚀破裂.对硫酸根引起的腐蚀危害、控制标准,以及硫酸根的可能来源进行了分析.

中文关键词: 硫酸根超超临界核电腐蚀

Abstract:Nuclear power units and ultra-supercritical units have high demand for the water quality, besides the demand for the concentration of Na⁺, Cl^- and SiO₂ in ordinary units, and they also limit the concentration of SO₄^2-, mainly because SO₄^2- will cause the intergranular stress corrosion cracking of stainless steel, heat-resistant alloy steel and nickel-based metal.The corrosion damage caused by SO₄^2-, the control standard and the possible sources of possible sources of SO₄^2- are analyzed.

keywords: sulfate ultra-supercritical nuclear power corrosion

文章编号：20100616 中图分类号： 文献标志码：

基金项目:上海市科委能力建设项目(08160512600)

作者	单位	E-mail
傅洁琦	上海电力学院能源与环境工程学院, 上海 200090	hysadfujie@163.com
王罗春	上海电力学院能源与环境工程学院, 上海 200090
丁桓如	上海电力学院能源与环境工程学院, 上海 200090

Author Name	Affiliation	E-mail
FU Jie-qi	School of Thermal Power and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China	hysadfujie@163.com
WANG Luo-chun	School of Thermal Power and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China
DING Huan-ru	School of Thermal Power and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China

引用文本：
傅洁琦,王罗春,丁桓如.核电机组和超超临界机组水汽系统中的SO₄^2-问题[J].上海电力大学学报,2010,26(6):581-584.
FU Jie-qi,WANG Luo-chun,DING Huan-ru.Problems of Sulfate Radical in the Water-steam System of Nuclear Units and Ultra-Supercritical Units[J].Journal of Shanghai University of Electric Power,2010,26(6):581-584.