工业锅炉洁净燃烧烟气成分的动态监测分析

184Vol.18No.420027PowerSystemEngineeringJul.,20021005-006X(2002)04-0001-04*testo3604t/h10t/hSO2O2NOSO2NOCO1200SO2TK229ADynamicMonitoringofFlueGasCompositionDuringCleanCoalCombustioninIndustrialBoilerLIZhen-yu,CHENGJun,LIUJian-zhong,etal.Abstract:Theadvancedperformanceoftesto360systeminfluegascompleteanalysisandonlinemonitoringisanalyzedbycomparison.Thedynamiccharacteristicsoffluegascompositionaremonitoredin4t/hand10t/htraveling-grateboilers.ItisfoundthatthedynamicpeakandvalesofSO2concentrationareoppositetothoseofO2.ThetimetraceofNOconcentrationissimilartothatofSO2,butmeanwhileitisalsoaffectedbyCOconcentration.Forthefurnacetemperatureinindustrialboilersisgenerallyabove1200,theSO2concentrationinfluegasismainlydeterminedbythesulfurcontentincoalanddesulfurizationtechnology.Keywords:industrialboiler;cleancoalcombustion;fluegascomposition;dynamicmonitoring75%84%2000SO22600tSO21/2SO21/3[1]SO220004199830.6%SO20.18/kg0.6/kg1.2/kg:2001-11-061971-310027*G1999022204[2]SO2[3]O2COCO2NOSO2[4]SOxNOx22002181DZL4-1.25ASHL10-1.27ZDMSO2testo3601O2O2+2H2O+4e4OH2Pb+4OH2PbO+2H2O+4eCOSO2NONO2CO+H2OCO2+2H++2eSO2+2H2OH2SO4+2H++2eNO+2H2OHNO3+3H++2eNO2+2H+NO+H2O1/2O2+2H++2eH2OCO2CO24.3m11testo360testo360O2COSO2NONO2CO2O2O2COSO2NONO2CO2O2COSO2NONO2CO22Mt/%Aar/%Var/%FCar/%Qnet,ar/Jg-1Car/%Har/%Nar/%St,ar/%Oar/%4t/h10.4019.6819.9549.972246059.153.330.760.466.2310t/h8.4621.1726.9443.432215357.233.771.020.507.841testo360223Ca/S=2120040%35%40%75%45%4334t/h10t/h12345ZDMZDMZDM---Ca/S=2-Ca/S=2Ca/S=3SO2mg/m3N433226626315129SO2/kgh-14.112.3110.96.452.46/%-43.8-40.877.4NOxmg/m3N13582291144141NOx/kgh-11.280.845.062.952.69/%-34.4-41.746.83testo3604t/h10t/h29O2SO2NOCO1011NO2SO2O2NOSO2NOCO1CO0NOSO22CONOCONOSO2[5]SO2CO24t/hO234t/hSO244t/hNO54t/hCO610t/hO2710t/hSO2810t/hNO42002189CO10NO21110t/hH2O4t/h10t/hSarNarCar(1)4t/hO214%16%10t/hO210%12%(2)4t/hO2CO200500ppm10t/hO2CO4ppm(3)SO24t/h120010t/h140090%10t/h34t/hSO2710t/hSO2710t/h34t/h(4)4t/hNO2040ppm10t/hNO120170ppm(5)4t/hNONONO2520ppm10t/hNONO20(6)4t/h10t/h4t/h4%5%10t/h5%7%4(1)testo360(2)SO2O2NOSO2NOCOCONOCONOCO(3)4t/h10t/hO2CONONO21200SO2[1],,.[J].,1999,58(2):24.[2].[M].,1995.[3],,.[M].,1997.[4]MakarytchevSV,CenKF,LuoZY.Stageddefulphurizationbydirectsorbentinjectioninpulverized-coalboilers[J].Energy,1994,19(9):947956.[5],,,.[J].,2000,20(6):16.