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复合网状阴极增强电化学水软化系统性能研究
引用本文:栾谨鑫,李鑫浩,王立达,孙文,王耀伟,周英正,邓海涛,陈帅,何少辉,刘贵昌. 复合网状阴极增强电化学水软化系统性能研究[J]. 工业水处理, 2020, 0(2): 67-70
作者姓名:栾谨鑫  李鑫浩  王立达  孙文  王耀伟  周英正  邓海涛  陈帅  何少辉  刘贵昌
作者单位:大连理工大学化学工程系;山东京博石油化工有限公司;黄河三角洲京博化工研究院有限公司
摘    要:针对工业循环冷却水系统中低除垢速率限制电化学水软化技术应用的问题,采用多层不同孔径金属丝网耦合的复合网状阴极增强电化学水软化系统性能。结果表明:采用复合阴极的水软化系统除垢速率高达29.16g/(m2·h),能量消耗低至6.0 kW·h/kgCaCO3。系统性能的提升归因于阴极特殊的结构,该结构可将化学反应(碱度产生和水垢沉积)分离和定位到复合网状阴极的不同区域,从而提高了除垢速率。

关 键 词:阴极  电化学水软化  循环冷却水

Research on enhanced performance of electrochemical water softening system by multi-meshes coupled cathodes
Luan Jinxin,Li Xinhao,Wang Lida,Sun Wen,Wang Yaowei,Zhou Yingzheng,Deng Haitao,Chen Shuai,He Shaohui,Liu Guichang. Research on enhanced performance of electrochemical water softening system by multi-meshes coupled cathodes[J]. Industrial Water Treatment, 2020, 0(2): 67-70
Authors:Luan Jinxin  Li Xinhao  Wang Lida  Sun Wen  Wang Yaowei  Zhou Yingzheng  Deng Haitao  Chen Shuai  He Shaohui  Liu Guichang
Affiliation:(Department of Chemical Engineering,Dalian University of Technology,Dalian 116024,China;Shandong Chambroad Petrochemical Co.,Ltd.,Binzhou 256500,China;Yellow River Delta Chambroad Chemical Industry Research Institute Co.,Ltd.,Binzhou 256500,China)
Abstract:The application of electrochemical water softening technology was limited in industrial circulating cooling water systems,due to its low descaling rate.The multi-meshes with different apertures coupled cathodes were used to enhance the performance of the electrochemical water softening system.Experimental results showed that the highest descaling rate of the electrochemical water softening system reached 29.16 g/(m2·h),and the energy consumption was down to 6.0 kW·h/kgCaCO3.The improvement of the system performance is attributed to the special structure of the cathode.The chemical reaction(alkalinity generation and scale deposition)can be located in different regions of the cathode,thus increasing the scale removal rate.
Keywords:cathode  electrochemical water softening  circulating cooling water
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