The Reform Of SCR Denitration System For 600MW Boiler

The NOx is one of the main reasons of air pollution, as the amount of the NOx coal-fired thermal power plant emissions continue to increase, cause serious pollution to the atmospheric environment. Therefore put forward higher requirements of environmental protection of the state for thermal power units, for serious pollution, thermal power unit is not reform will be unable to meet the new standards.In this paper, the object of study for thermal power plant No.1 and No.2 units, the need for denitrification transformation. This article first carried on the research and comparison of De-NOx technology, and according to the actual situation of power plant units and on denitrification needs to choose SCR denitration technology. The main characteristics and various reducing agents were compared, selection of liquid ammonia as denitration reducing agent.The feasibility of the implementation of the project and then analyzed, including process and equipment selection, surface effect analysis of feasibility study and project. At the same time the implementation of quality and safety assurance has formulated a series of measures of engineering. Also on the project may bring about the impact on the surrounding environment and environmental protection methods and strategies were studied, and the feasibility of the project to ensure that environmental protection.Then, the operating status of the project and the performance are tested and calculated. The test results show that, the system running in good condition, can meet the design expectations.Finally, engineering costs for the entire project and benefit are analyzed. We can draw the conclusion, this project makes the 1,2 unit meet relevant standards of environmental protection departments, and has good economic benefit and environmental benefit.