Application of SCR Denitration Control System Optimization Technology in 660 MW Coal Fired Units
The massive emission of nitrogen oxides has caused great harm to the environment and ecology.Aiming at this problem,this paper designs a SCR multivariable denitration control system based on the central control DCS system of Zhejiang University,which has been applied and demonstrated in a 660 MW coal-fired power plant.By optimizing the feed-forward control strategy,adding the differential link,and designing the analysis logic according to the specific situation of the mill group,the system realizes the SCR automatic effect and high operation rate,can significantly improve the stability of SCR denitration control system,reduce the energy consumption of thermal power units,and improve the economic benefits and competitiveness of units.
nitrogen oxidesSCR denitrationcoal-fired power plant
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