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化工学报  2015 

锌电解全流程酸锌离子浓度在线预测模型

DOI: 10.11949/j.issn.0438-1157.20141569, PP. 2588-2594

Keywords: 锌电解,酸锌离子浓度,工况分类,参数辨识

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Abstract:

针对电解液中酸锌离子浓度离线化验存在大滞后,难以实现锌电解过程在线优化控制的问题,研究了锌电解全流程酸锌离子浓度在线预测模型。在分析锌电解过程电化学反应机理的基础上,结合锌电解过程物料平衡,建立了锌电解动态反应模型。基于锌电解工业现场数据,采用FCM算法对锌电解工况进行分类,并辨识了不同工况条件下预测模型的参数,利用多工况模糊匹配实现了全流程酸锌离子的预测。工业数据验证结果表明所建模型能有效地反映酸锌离子浓度的变化趋势,为锌电解过程的优化控制奠定了基础。

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