基于CEMS系统的在线煤质分析系统

华中科技大学硕士学位论文基于CEMS系统的在线煤质分析系统姓名：赵亮申请学位级别：硕士专业：热能工程指导教师：熊友辉20060428ICEMS()CEMSIIAbstractTherealtimeidentificationofcoal’squalityanalysisisveryimportanttopowerboiler’ssafetyandefficiency.Basedtherealtimemonitoringofcoal’squalityanalysis,stokercanadjusttheamountoftheairenteringboilerandtheamoutoffeedwatertoimprovetheboiler’sefficiencyintime,andavoidtheboileraccident.Furthermoretheon-linemonitoringofcoal’squalityanalysiscandeterminethecoal’scalorificvalueandboilerefficiency.Almostcurrentrapidcoalanalysisapparatusaretooexpensiveandcomplicatedtouseforpowerplants,sotheycan’tbeutilizedbroadly.Thesoftwarecalculatingofcoal’squalityanalysiscouldtakeplaceoftheseapparatusandsavetheplantsalotofcost.Asthedevelopmentofsoftmeasuringtechniqueandsensorhardware,thispaperpresentsamodelusingthegasparameterstocalculatethecoal’squality.Basethecurrentmethod,choosemoresuitableparametersusingthecarbonbalancemethodwhichisusedinvehicles’gasolineconsumptionmeasuringtosimplifythecalculation.Usethecoal’sgrossenteringtheboileranditscorrespondinggasemissiontoevaluatethecoal’squality.ChoosetheNDIRairanalysisapparatusandPitottubeusingintheCEMS(continuousemissionmonitoringsystem)whicharemoresuitableforplants’environmentandmoreprecise.ThecalculatingsoftwareisbasedtheCEMSdatacollectionsystem,addingthecoal’squalityanalysisandboilerefficiencycalculatingpart,andcreateadatabaseforusertoinquireandcomparethehistorydata.Keywords:CEMSsystemgasmonitoringcoal’sanalysison-lineidentification______111.170%4.4505026%20034.35[1][2][3]21.26-8γ04GB13223-2003[4]08[5]HJ/T75-2001400CEMS20%CEMSEnergeticSystem88Input/Loss[6]31002[7]-[9]300MW1.3[10]-[12]SO2SO3NOx100%arC,arS,arO,arN,arH,arA,arM100%adCadSadOadHadNadAadM100%4dCdSdOdNdHdA100%dafCdafSdafOdafNdafH[13]12345522.170γ[14]-[18]2.1.1γγγγγρxLµρµxLII−=exp02-1γρxI0Iγγ2-1γ6MCILB420TN-200γγγ2.1.22380rKlNdBLB+=ρβ686.8)(2-272.1.3780-2526nm2-22.1.4GammaMetricMCI8PGNNAγγγγγγγPGNNA2.2EnergeticSystemInput/Loss022.2.1Loss/Input[19]-[25]8810CO2O292.2.202GB10184C-HC-O22222(0.08890.01866)0.0330.265(0.21)0.033(0.21)0.0080COdafCOdafCOdafCOdafCOdafyCySyHyOyNαααα−++−+−+=2-3222220.0889(0.0330.007)0.265(0.21)0.033(0.21)0.0080SOdafSOdafSOdafSOdafSOdafyCySyHyOyNαααα+−+−+−+=2-411dafdafHACB=+2-522dafdafOACB=+2-6100dafdafdafdafdafCSHON++++=2-72COy2SOyCO2SO2αdafCdafSdafHdafOdafN100.11113CEMSContinuousEmissionMonitoringSystemCEMSSO2NOx1997CEMSCEMSCO2SO2O2CEMSCEMS[26]-[28]3.1CEMSCEMS3-1CEMS3-2CEMS12SO2NOxCO2CO34)567SO2NOxO2123-1CEMS3-2CEMS3.2CEMS3.2.1CEMSCEMS13(:SO2NOX)120mCEMSCEMS(SO2NOx)CEMSCEMS()120-150CEMS50-100W/m3.2.2CEMS14CEMS12170012501CEMS3.2.3CEMSCEMSCEMS:(1)(2)()(3)15(4)CEMS3.3CEMSCEMS12SO2NONO2NOx3CO2SO2O23.4CEMSCEMS11610-50m4.22-7.04kg/cm2261-91cm30.5-72.6m/tVQSL=3-1tminVLQSL3173.5CEMSCEMSCEMS[29]-[31]3.5.1[29]:(2-15m)1()procal8()1862(FTIR)(Michelson)()FTIR0.13CCDCCDPd-Si1943.5.2[31](NDIR)NDIRNDIR-(Lambert-Beer)0IILdNdI-:20/dIIKdN=−3-2K:InIKNα=−+3-3:Nα:NcL∝c:0exp()exp()exp()exp()exp()IKNacLIcLαµµ=−=−=−3-4cLµµi(3-4):0exp()iiIILcµ=−∑3-53-3NDIRCO21-20m4.26m4.26mCO23-3NDIR21(CAC)200Hz456-8V115W3-42-9mCO2COCH4NOSO29m9mNDIR,TO5,,,,3-422CO2SO2CO2SO2ppm97%3.6(ZrO2)2242OeO+→−3-62224OeO−−→3-73.73-523qPjPdqjPPP=−dP91[32]273273101325ajsNsBPtγγ+=××+3-81.414dspspVKγ=3-9'3600ypQFV=××3-10Nγkg/Nm3Nγ1.34kg/Nm3staBPasVpK'yQm3/hFm2pVm/s100αα=∆∑3-11'(1)/yygAQQTTα=×+×3-12α∆∑gTAT3-524222'0.21'OOOγγαγ−=−3-132Oγ2'Oγ3.8-0I0clIIeα−=3-14αlc0IIαlc0/II3-6633nm12510mm-20mm2103412%3.9CEMS5A/DTTLDI/DOA/DA/D2644.170:CO2COHCH2OCOCO2HC[33]-[34]CEMS[35]4.2270('''''')0.995(''')sfpkkpkkrmlyyVCtCtGhh−=−4-1sfVNm3/h0rmlGt/h''pkCkJ/(K.m3)'pkCkJ/(K.m3)''kt'kt'yhkJ/kg''yhkJ/kg[36]-[37]4.3CarSarOarNarHarMarAarCEMSCO2SO22COγ2SOγyQCO2SO22()10001001222.4arucrrlmyCOCLGQγ⋅−⋅⋅=⋅4-2210001003222.4arrlmySOSGQγ⋅⋅⋅=⋅4-320.0535yCOarucrrlmQCLGγ⋅=⋅+4-42820.1429ySOarrlmQSGγ⋅=⋅4-5ucrLdzafha,dzfhCC()100100dzdzfhfhucrardzfhaCaCLACC=×+−−4-6[45][38]HC−CC−arCarHHC−CO−arCarO4.320.013ararHC=−4-76.100.0144ararOC=+4-84%0.5-3%0.3ararNH=×4-10CEMS2HOγ292(9)101822.4ararrlmAgkkyHOMHGVdQραγ+×+××××⋅=4-11280.65/9mfHOyrlmAgkkarMQGVdHγρα=××−×××−4-12Aρg/m3gkV4-13kdg/kgα4-14()0.08890.03750.2650.0333gkararararVCSHO=++−4-13222221/(2179)1OOCOSOγαγγγ=−×−−−4-14100arararararararACSONHM=−−−−−−4-15CO24.4[39],,3391028109()25arnetparararararQCHOSM=+−−−4-16arA25%,,arnetpQ627kJ/kgarA25%,,arnetpQ836kJ/kg30CEMS(ASME10184-88)PTC4.1[40](GB10184-88)[41]ASMEPTC4.1:,1100glarnetLQη=−×4-17,arnetQ--kJ/kgLkJ/kgUCGmfHZCOUHUHCBPDRWLLLLLLLLLLLLLL=++++++++++++4-18UCLkJ/kgGLkJ/kgmfLkJ/kgHLkJ/kgMALkJ/kgZLkJ/kg,,COUHUHCLLLCOH2BLPLkJ/kg,,DRWLLL23456100glrbQQQQQQη++++=−4-19312QkJ/kg3QkJ/kg4QkJ/kg5QkJ/kg6QkJ/kgrbQkJ/kgASMEASME[42]-[44]PTC2Q4Q5Q4337.26()100100dzdzfhfhardzfhaCaCQACC=××+−−(4-20)2()/PGGArlmQQyCttG×=×−(4-21)0.625,5.82earnetgqDQQD=×(4-22)pgCkJ/(kgK)eDt/hgqDt/h0.6224,,0.05821earnetpgqQQDQDη+=−−(4-23)324.5[46]-[47]useC,usearnetrvGtACaQkkkkk=××××××4-24a/GJrKvKAKGKSNtK1515userlmQCGT=××4-253355.1RS485551515.2vbCEMS12343455-1vbvb5-2355.3300MWCEMSSG-1025/18.3-M8405RP-923592245-112341138.69132.09134.65130.282m3/h1031277.831396.631184.4213