大颗粒尿素装置中尿甲醛制备的自控设计

Automatic Control Design of Urea Methanal Preparation in the Large Granule Urea Plant

尿甲醛制备是大颗粒尿素生产中的一个环节 ,笔者阐述了其控制系统的设计原则和方法 ,并对现场安装中应注意的问题进行说明。

The urea methanal preparation is a key link for the production of large granule urea. The author describes design principle and method about the control system, the problems to be taken into account during the installation have been illustrated in detail.