基于EDS能谱分析的换流阀组除垢技术对电化学水处理设备优化效果研究  

Study on the Optimization Effect of the Electrochemical Water Treatment Device Based on EDS Energy Spectrum Analysis

作　　者：张祥虎 李然 赵贺 Zhang Xianghu;Li Ran;Zhao He(State Grid Jiangsu Electric Power Co.,Ltd.Ultra High Voltage Branch,Nanjing,China)

机构地区：[1]国网江苏省电力有限公司超高压分公司,江苏南京

出　　处：《科学技术创新》2025年第7期18-23,共6页Scientific and Technological Innovation

摘　　要：电化学水处理技术在工业生产中具有重要意义,但其换流阀组结垢问题限制了其性能和效率。为解决传统高压直流输电系统中换流站经常受离子水换热影响的问题,提出了一种基于EDS光谱分析的除垢技术,以提高换流阀歧管的换热性能。首先通过能谱分析结垢主要由CaCO_(3)、Mg(OH)_(2)、Fe(OH)_(3)等不溶性物质组成。然后模拟外部冷却模型的运行,根据浓缩率、流量等影响因素的控制分析,对换流阀歧管进行优化,并在此基础上采用机械过滤与软化膜相结合的阻垢技术。为了验证模型的有效性,进行了对照分析实验,实验结果表明,纳滤和反渗透分别能达到18 d和35 d的阻垢效果。因此,所提出的基于能谱分析的除垢技术对换流阀歧管具有更好的优化性能。Electrochemical water treatment technology plays an important role in industrial production,but its performance and efficiency are limited by the scaling problem of converter valve groups.In order to solve the problem that the converter station is often affected by ionized water heat transfer in traditional HVDC transmission system,a descaling technology based on EDS spectral analysis is proposed to improve the heat transfer performance of converter valve manifolds.Firstly,the scale is mainly composed of CaCO_(3),Mg(OH)_(2),Fe(OH)_(3) and other insoluble substances by energy spectrum analysis.Then the operation of the external cooling model is simulated,and the manifold of the converter valve is optimized according to the control analysis of the influencing factors such as concentration rate and flow rate.On this basis,the scale inhibition technology combining mechanical filtration and softening film is adopted.In order to verify the effectiveness of the model,the experimental results show that nanofiltration and reverse osmosis can achieve 18 db and 35 db of scale inhibition,respectively.Therefore,the proposed descaling technology based on energy spectrum analysis has better optimization performance for converter valve manifolding.

关 键 词：换流站 除垢 能谱分析 过滤 软化 

分 类 号：TQ085.4[化学工程]