Simulation and optimization system for flue gas desulfurization process in thermal power plants

Abstract

The invention discloses a simulation and optimization system of a flue gas desulfurization process of a thermal power plant. The simulation and optimization system is composed of a server and a client. A limestone-gypsum wet fuel gas desulfurization model is firstly established to realize simulation of the desulfurization process; and a multi-objective normalized optimization method is used for optimizing and simulating artificially set work conditions so as to sieve an optimal operating condition under each work condition and package the optimal operating condition as an optimized operation database. The server monitors a real-time data document of a DCS (Distributed Control System) sent by an SIS (Supervisory Information System) database, finds matched records in the optimized operation database via a way of database retrieval and then sends the real-time data and relevant advices to the client for a user to check. The server and the client realize connection and user management through an LAN (Local Area Network). The simulation and optimization system, disclosed by the invention, has the advantages of providing an optimization control platform for the desulfurization system of the thermal power plant, providing optimized operation advices and early warnings for operators without directly operating the DCS system and thereby improving normal running rate, desulfurization efficiency and SO2 discharge concentration attainment rate of the desulfurization system.

Description

technical field [0001] The invention relates to a simulation optimization system software for flue gas desulfurization process in a thermal power plant, in particular to a process simulation optimization and online data viewing system software for a limestone-gypsum wet flue gas desulfurization device in a coal-fired power plant. Background technique [0002] To protect the environment, coal-fired power plants need to be controlled emission. Current control of coal-fired power plants There are mainly three ways of emission: desulfurization before combustion, desulfurization during combustion, and desulfurization after combustion. Post-combustion desulfurization, or flue gas desulfurization, is currently controlled The most effective way is also a way commonly used in the world. In the flue gas desulfurization method, limestone-gypsum wet flue gas desulfurization is a commonly used technology at present. [0003] Limestone-gypsum wet flue gas desulfurization process u...

AI Technical Summary

Problems solved by technology

After the investigation by the project team, the staff of the thermal power plant said that the industrial equipment needs high stability, direct operation of the DCS will easily cause impact on the system, and the operating load of the DCS chip will increase, which will easily cause system failure. If the judgment is not accurate, there may be a safety accident, so there is a big safety hazard in this process

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