Practice and Recommendations to Improve the Economy of the Denitration System
In order to achieve the provisions of the national pollutant discharge standards of thermal power plants,these two 300 MW transformation units（the 8th unit and 9th unit） are equipped with Selective Catalytic Reduction（SCR） flue gas denitration system.For the problems about the big fluctuation of automatic ammonia flow rate input;large consumption of ammonia and pipelines being corroded by residual ammonia occur when denitration system is running and under debugging and etc.From the aspect of the safety systems operation,the economics of regulation control and the feasibility of project optimization,it introduces the practice experience and recommendations of improving the economics of denitration system on the 8th unit and readjusting the ammonia flow control parameters
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