3万t/a离子膜法烧碱电解整流稳流控制系统改造

Modification of rectification and stabilization current control system for 30 kt/a ion-exchange membrane caustic soda electrolysis

介绍了云南盐化股份有限公司昆明盐矿3万t/a离子膜法烧碱生产装置二极管整流系统存在的缺点。重点阐述了由此进行的改进,例如,由二极管整流装置改为晶闸管整流装置,选用计算机控制柜进行稳流控制,采用计算机监控系统,构成分散与集中的计算机控制系统等,从而解决了稳流问题。

The shortcomings existing in the secondary transistor rectification systems of 30 kt/a ion-exchange membrane caustic soda production devices of Kunming Salt Mineral of Yunnan Salt Chemical Industry Co.,Ltd.are introduced.The modification processes having solved the stabilized current problems are related,such as,replacing the secondary transistors by brake transistors rectification devices,selecting computer control cabinets for stabilized current control,using computer monitor control systems for monitorin...