Application of PI system in DCS for flue gas desulfurization

The design principles and distributed architecture of PI real-time data base system was introduced,and the application of it in DCS for flue gas desulfurization of CLP GuoHua Power Co.,Ltd.Beijing Co-Generation Branch Company was also presented.Several problems occurring during the engineering period were pointed out and the solutions were proposed.The successful operation of the PI in DCS for the company facilitates the real-time supervision of the flue gas desulfurization devices and the share of the data resources,which lays a strong foundation for the informatization of the enterprise production.