1、l概述概述lSCRSCR系统组成系统组成lSCRSCR系统主要设备系统主要设备l催化剂的选型催化剂的选型l的控制技术的控制技术l对环境的影响对环境的影响l的形成机理的形成机理l低空臭氧的产生低空臭氧的产生l光化学烟雾的形成光化学烟雾的形成l酸雨酸雨l各种潜在的致癌物质各种潜在的致癌物质 无水氨储罐无水氨储罐氨蒸发器氨蒸发器烟气出口烟气出口稀释空气稀释空气氨喷射栅格氨喷射栅格SCRSCR反应器反应器空预器空预器锅炉锅炉烟气烟气省煤器省煤器NONOX X信号信号锅炉负荷信号锅炉负荷信号FICFIC氨的流量分配氨的流量分配Photo courtesy of Siemens Flow Model Te
2、sts brochure,1998.EconomizerEconomizerAir HeaterAir HeaterExistingExistingStructural SteelStructural SteelFrom AmmoniaFrom AmmoniaStorage SystemStorage SystemEconomizerEconomizerBypassBypassDamperDamperDamperDamperSCRSCRBypassBypassAmmoniaAmmoniaInjection SystemInjection SystemSeal AirSeal AirPiping
3、PipingSCRSCRReactorReactorCatalystCatalystLayerLayerSootblowerSootblowerFutureFutureSootblowerSootblowerFutureFutureCatalystCatalystTo PrecipitatorTo PrecipitatorNew Structural SteelNew Structural SteelDamperDamper4NO +4NH4NO +4NH3 3+O+O2 2 4N4N2 2+6H+6H2 2OO2NO2+4NH3+O2 3N2+6H2O2NO2+4NH3+O2 3N2+6H2O6NO6NO2 2+8NH+8NH3 3 7N 7N2 2+12H+12H2 2OO波纹板式波纹板式蜂窝式蜂窝式板式板式
