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              Suzhou Electric Appliance Research Institute
              期刊号: CN32-1800/TM| ISSN1007-3175

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              发电机氢气纯度偏低的治理和典型氢气提纯装置的应用

              来源:电工电气发布时间:2021-07-20 08:20 浏览次数:13

              发电机氢气纯度偏低的治理和典型氢气提纯装置的应用

              冯宇哲1,孙海军2,柯元丰3, 郑浩4,杨立川1
              (1 国网浙江省电力有限公司电力科学研究院,浙江 杭州 310014;
              2 浙江大唐乌沙山发电有限责任公司,浙江 宁波 318016;
              3 大唐国际发电股份有限公司浙江分公司,浙江 杭州 315700;
              4 浙江浙能嘉兴发电有限公司,浙江 嘉兴 314201)
               
                  摘 要:发电机氢气纯度偏低不仅将提高机组运维成本,造成经济损失,还会形成潜在的设备安全隐患。结合浙江省内发电机组实际运行经验,从密封性、密封油和氢气气源多角度分析发电机氢气纯度偏低的常见原因,并分别介绍基于金属氢化物提纯和储存双重功能的氢气综合提纯系统和基于薄膜蒸发原理的密封油提纯装置的工作原理、结构组成、提纯流程和应用情况。两种典型氢气提纯装置应用后,发电机氢气纯度均显著上升,采用的氢气纯度偏低原因分析方法和提及的氢气提纯装置对相关人员具有一定的借鉴作用。
                  关键词:发电机;氢气纯度;提纯装置
                  中图分类号:TM31     文献标识码:B     文章编号:1007-3175(2021)07-0039-05
               
              Improvement of Low Purity of Generator Hydrogen and
              Application of Hydrogen Purification Device
               
              FENG Yu-zhe1, SUN Hai-jun2, KE Yuan-feng3, ZHENG Hao4, YANG Li-chuan1
              (1 Zhejiang Electric Power Research Institute, Hangzhou 310014, China;
              2 Zhejiang Datang Wushashan Power Plant Co., Ltd, Ningbo 318016, China;
              3 Zhejiang Branch of Datang International Power Generation Co., Ltd, Hangzhou 315700, China;
              4 Zhejiang Zheneng Jiaxing Power Plant Co., Ltd, Jiaxing 314201, China)
               
                  Abstract: Low purity of generator hydrogen not only increases the operating costs of generation units, but also creates safety risks to the generator. According to the practical experiences of generator operation in Zhejiang, an integrated analysis on the common causes of low purity of generator hydrogen is presented from the perspective of sealing, sealing oil and hydrogen gas source. Two typical hydrogen purification devices, the comprehensive hydrogen purification system with both functions of purification and storage of metal hydride and the sealing oil purification device based on the thin film evaporation theory, are introduced in aspects of working principle, structure, purification process and application. As a result, the hydrogen purity of generators increases significantly by using that two devices. Lastly, this review could provide some references to relevant researchers.
                  Key words: generator; hydrogen purity; purification device
               
              参考文献
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              [2] 莫宗宝,徐超,龙潇. 氢冷发电机氢气湿度超标的原因分析[J]. 电站辅机,2011,32(2) :17-20.
              [3] 刘道远. 影响氢冷机组氢气纯度的几项因素分析及处理[J]. 浙江电力,2000,7(3) :7.
              [4] 佟凤林. 一起发电机进油故障的分析及处理[J] .华北电力技术,2011,40(10) :49-51.
              [5] 王利强,赖月生. 简谈 600 MW 发电机进油原因分析及预防措施[J] . 能源研究与管理,2017,24(3) :74-76.
              [6] 卢广法,沈建明,朱国雷. 西门子 F 级燃气- 蒸汽联合循环发电机组培训教材[M] . 杭州:浙江大学出版社,2014.
              [7] 赵韵奇,熊大健.600 MW 氢冷发电机氢气纯度下降的原因分析及处理[J] . 汽轮机技术,2008,33(2) :148-150.
              [8] 李阳.660 MW 氢冷发电机氢气纯度下降分析[J]. 山东工业技术,2019,7(10) :183-184.
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