连续电再生阳离子交换器在线测量氢电导率技术研究  

On-line cation conductivity measurement technology for continuous electroregeneration cation exchanger

作　　者：刘玮[1] 田利[1] 苏尧 韩小刚 陈裕忠 戴鑫[1] 张龙明[1] 黄茜[1] LIU Wei;TIAN Li;SU Yao;HAN Xiaogang;CHEN Yuzhong;DAI Xin;ZHANG Longming;HUANG Qian(Xi’an Thermal Power Research Institute Co.,Ltd.,Xi’an 710054,China;China Shenhua Energy Co.,Ltd.,Guohua Power Branch,Beijing 100025,China;Shaanxi Guohua Jinjie Power Plant Co.,Ltd.,Yulin 719319,China;Haimen Power Plant of Huaneng Power International Inc.,Shantou 515000,China)

机构地区：[1]西安热工研究院有限公司,陕西西安710054 [2]中国神华能源股份有限公司国华电力分公司,北京100025 [3]陕西国华锦界能源责任有限公司,陕西榆林719319 [4]华能国际电力股份有限公司海门电厂,广东汕头515000

出　　处：《热力发电》2020年第7期153-157,共5页Thermal Power Generation

基　　金：中国华能集团有限公司总部科技项目(HNKJ18-10)。

摘　　要：介绍了在线氢电导率测量技术原理及存在问题,详细分析了测量过程中阳离子交换树脂再生度、树脂破碎裂纹、树脂漏出、交换柱设计、交换柱内水样流向、空气漏入、再生树脂冲洗程度等因素对氢电导率测量准确性的影响。同时,介绍了一种采用连续电再生阳离子交换器在线测量氢电导率的新技术及其技术优势,并结合该新技术在电厂的实际应用情况,对在线氢电导率测量技术的发展前景进行了展望,对电厂获得准确的氢电导率测量值以及提高水汽化学监督与控制可靠性具有指导意义。The principle and existing problems on-line cation conductivity measurement technology were introduced.The influence factors that existed in the measurement process,such as cation exchange resin regeneration degree,resin crack,resin leakage,exchange column design,sample flow direction in exchange column,air leakage and the rinsing of regenerated resin were analyzed in detail.Moreover,a new technology of on-line cation conductivity measurement using continuous electro-regeneration cation exchanger and its technical superiority were introduced.Moreover,combined with the application of the new technology in power plant,the application prospect of on-line cation conductivity measurement technology was prospected.This technology is of important guiding significance for power plants to obtain accurate cation conductivity and improve reliability of water stream chemical control and supervision.

关 键 词：在线 氢电导率 阳离子交换树脂 交换柱 连续电再生阳离子交换器 智能氢电导率表 

分 类 号：TM621.8[电气工程—电力系统及自动化]