41电力安全技术第24卷(2022年第12期)燃气-蒸汽联合循环机组脱硝系统参数预警优化肖黎明1，刘德进1，潘超宇2，蔡文2，曾令大2，刘荣辉2(1.中国华电集团发电运营有限公司，北京100031；2.天津军粮城发电有限公司，天津300300)ParameterEarly-warningOptimizationofDenitrationSystemforGas-steamCombinedCycleUnitXIAOLiming1,LIUDejin1,PANChaoyu2,CAIWen2,ZENGLingda2,LIURonghui2(1.CHDPowerPlantOperationCo.,Ltd.,Beijing100031;2.TianjinJunliangchengPowerGenerationCo.,Ltd.,Tianjin300300)〔摘要〕烟气污染物排放浓度一直是发电机组重要的环保监控参数，特别是在机组启停等复杂工况下，监控难度大，易出现数据超标情况。为提升燃气-蒸汽联合循环机组排放控制水平，构建了NOX小时均值计算预警算法，并优化了DCS监视与控制。应用表明，该算法在机组启停和运行期间皆可实现对NOX排放的有效监控与预警，便于人员监视和操作，确保排放不超标，为DCS环保参数的优化提供了参考。〔关键词〕燃气-蒸汽联合循环；DCS优化；脱硝系统；NOX小时均值计算；参数预警Abstract:Theemissionconcentrationoffluegaspollutantshasalwaysbeenanimportantenvironmentalmonitoringparameterforpowergenerationunits,especiallyundercomplexoperatingconditionssuchasunitstartupandshutdown,whichisdifficulttomonitorandpronetodataexceedingthestandard.Inordertoimprovetheemissioncontrollevelofgas-steamcombinedcycleunits,anearly-warningalgorithmforNOXhourlymeanvaluecalculationisconstructed,andtheDCSmonitoringandcontrolisoptimized.Theapplicationshowsthatthealgorithmisavailabletorealizeeffectivemonitoringandearly-warningofNOXemissionduringunitstartup,shutdownandoperation,facilitatepersonnelmonitoringandoperation,andensurethattheemissiondoesnotexceedthestandard,whichcanberegardedasareferencefortheoptimizationofDCSenvironmentalprotectionparameters.Keywords:Gas-steamcombinedcycle;DCSoptimization;denitrationsystem;calculationofNOXhourlymeanvalue;parameterearly-warning中图分类号:TM621.8文献标识码:A文章编号:1008-6226(2022)12-0041-040引言在“碳达峰·碳中和”战略目标的背景下，进一步加强节能减排工作，实现生产运营的绿色清洁化，对于发电企业意义重大。燃气机组作为新型发电机组，在提供电能、热能的同...
