湿法烟气脱硫pH值闭环控制系统优化  

Optimization of pH value closed-loop controlling system in wet flue gas desulfurization

作　　者：许雪松[1] 薛建明[1] 

机构地区：[1]国电环境保护研究院,江苏南京210031

出　　处：《电力科技与环保》2012年第5期30-31,共2页Electric Power Technology and Environmental Protection

基　　金：燃煤电厂多污染物协同控制及资源化技术路线研究(D11T02)

摘　　要：分析了控制pH值在湿法脱硫系统运行过程中的重要性,针对部分电厂存在pH值测量误差大的问题,在研究比较各种测量方式优缺点的基础上,提出了一种改进的pH测量方式。实际应用结果表明,测量方式的改进对于优化pH值闭环控制具有重要的意义。The important role of controlling pH value in wet flue gas desulfurization system was introduced and the measurement errors in many thermal power plants were analyzed. Various methods and its advantages and faults have been compared each other. Finally, an improved design was put forward, project practice proved it is of significance for optimizing pH value closed - loop controlling system.

关 键 词：PH计 湿法脱硫 闭环控制 

分 类 号：X701.3[环境科学与工程—环境工程]