茂名热电厂4号炉给水自动调节系统的改造

Reform of automatic feed water control system of No 4 boiler in Maoming Cogeneration Power Plant

茂名热电厂４ 号炉汽包水位自动调节系统存在内扰动频繁、阀门特性差等问题， 为此对其进行了改造。采用ＦＩＳＨＥＲ 调节阀门和ＫＭＭ 可编程序调节器， 提高了自动调节系统的调节质量和可靠性， 优化了系统结构。

A reform was conducted in view of the frequent internal disturbance and poor valve performance of the automatic water level control system for No 4 boiler drum in Maoming Cogeneration Power Plant.With the use of FISHER regulating valve and KMM programmable controller,the operational quality of the system was improved and the system configuration optimized.