离子色谱法测定换流阀冷却介质中Cl-和SO42-含量试验条件的研究

doi:10.3969/J.ISSN.2095-3429.2017.05.007

发电技术 ›› 2017, Vol. 38 ›› Issue (5): 31-34,68.DOI: 10.3969/J.ISSN.2095-3429.2017.05.007

离子色谱法测定换流阀冷却介质中Cl^-和SO₄^2-含量试验条件的研究

刘伟伟, 姬海宏, 张超, 孙宇

华电电力科学研究院, 浙江杭州 310030

收稿日期:2017-09-01 出版日期:2017-10-30 发布日期:2017-10-30
作者简介:刘伟伟(1986-),男,江苏南通人,硕士研究生,工程师,主要从事电力化学试验及检测

Study on the Test Conditions of Cl^- and SO₄^2- in Cooling Medium of Converter Station by Ion Chromatography

LIU Weiwei, JI Haihong, ZHANG Chao, SU Yu

Huadian Electric Power Research Institute, Hangzhou 310030, China

Received:2017-09-01 Published:2017-10-30 Online:2017-10-30

摘要/Abstract

摘要： 主要研究换流阀冷却介质中Cl^-和SO₄^2-含量测定的试验条件,采用离子色谱法测定,用梯度淋洗方式代替传统的等度淋洗方式,获得较好的色谱组分分离效果,定量准确,试验过程操作简便,解决了以乙二醇为换流阀冷却介质的水溶液中Cl^-和SO₄^2-含量测试问题,为直流换流站换流阀冷却介质的质量监督提供了可靠依据,有效控制直流换流站内冷水系统的腐蚀。

关键词: 换流阀, 乙二醇, 离子色谱, 氯离子, 硫酸根离子

Abstract: This paper studies the commutation test con-ditions for the determination of Cl^- and SO₄^2- in valve cool-ing medium.The test determined by ion chromatography.Using the gradient elution mode to replace traditional iso-cratic elution mode, which obtain good separating effect and quantitative accuracy in chromatographic component.Test procedure is simple, in addition, it Solves the problem in measuring Cl^- and SO₄^2- in aqueous solution in the con-verter valve cooling medium in glycol.To provide a reli-able basis for quality supervision for HVDC converter valve cooling medium,which effectively controls the corrosion in internal cooling water system.

Key words: converter valve, glycol, ion Chromatogra? phy, Cl^-, SO₄^2-

中图分类号:

TM46

刘伟伟, 姬海宏, 张超, 孙宇. 离子色谱法测定换流阀冷却介质中Cl^-和SO₄^2-含量试验条件的研究[J]. 发电技术, 2017, 38(5): 31-34,68.

LIU Weiwei, JI Haihong, ZHANG Chao, SU Yu. Study on the Test Conditions of Cl^- and SO₄^2- in Cooling Medium of Converter Station by Ion Chromatography[J]. Power Generation Technology, 2017, 38(5): 31-34,68.

离子色谱法测定换流阀冷却介质中Cl^-和SO₄^2-含量试验条件的研究

Study on the Test Conditions of Cl^- and SO₄^2- in Cooling Medium of Converter Station by Ion Chromatography

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