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WSurveyandStudyonCombustionPerformanceofWOFlameDoubleArchBoiler(710032)10300MWW104W,,,;WNOxAbstractThereareabout10setsof300MWclass,an2thraciteandleancoalfiredWOflamedoublearchboilersnowinoperationinChina.These10setsofboilersweredesignedandsupplideseparatelybyfourmainWOflameboilermanufacturersinworldormanufacturedusingtheirpatents.Recentlysurveyandstudyoncombustioneffectofburninganthraciteandleancoalswereconducted.Itwasconsideredthatalltheseboilersachievedbetteropera2tionresults.However,therearestillseveralproblemsneedingtobediscussed,improvedandsolved,suchasthedesignofboilerconfigurationisnotquiteperfectandma2ture;forraisingburntrateofcoalandavoidinglocalslag2ging,thefurnacevolumeandconfiguration,andtheburnertypesandlayoutsneedtobedeliberated;thefine2nessofpulverizedcoalandratioofairandcoaletc.prob2lemsneedtobeimprovedtoo.Thisarticlegivesthesug2gestionsofoptimizeddesign,andthecomparisonsofratio2nalunburntcoallossandminimumstablecombustionloadratebetweenWOflameboilerandconventionalcombustionmodes.KeywordsWOflamedoublearchboileranthraciteburningminimumstablecombustionloadslaggingburntNOxemission1W1997,,W410300362MW104110W21W1212123412//MW/th-1360/1007362/1080350/1085310/935300/935BMCR//MW/th-1376/1099387/1160/1190334/1025330/1025AEG/SIBELB&W(FW)DG1025/1812O7:=11=31=11Vdaf/%1412510100161722151769142Aar/%30145171392118252517523186Qnet,ar/MJkg-12116026141(HHV)/25172(LHV)23187161742311623175/1200/13101400/15001330/15001300/150015001991O09/1992O021991O09/1991O121990O08/1990O121997O111996O10/1997O11132199911©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.212121234/1231/m511975431126421000391378/m171340201240261822241765(W/D)L0198112511631186(DU/DL)0151014401520154qV(BMCR)32,3/kWm-31081012514921512210qV,L(BMCR)/kWm-319010226161521025810qV,U(BMCR)/kWm-325012280182361323114qF,L(BMCR)/MWm-33102310821102163(qF/qV)L/m1519131613181012//m2/%580/38579/44763/4034657/6235:31;32(MW)BMCR(kg/s)(MJ/kg)33:(1)1/2;(2)(),457mm,341023m2,19913m,35W2,/()(),U180,,111W11111,,(qV)11112WU,,qV,LqF,L11113DU/DL,UU,W,11114W,,,,(HL)(qV,U),[HL(qF/qV)L;1/qV,U=1/qV-1/qV,L],2,1124W4,:(1)(AEG/SI),();(2)(BEL),();(3)3412(DBW)FW();(4)12(B&W),()43219991132©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.31234Mar/%927017815115926193Aar/%223283233232253Qnet,ar/MJkg-12312114222152221Vdaf/%161521415112215213115St,ar/%115419013111110110/IDT11603013501500ST12601400150014501500FT1340R90/%10251115168121214R75/%163231582112164W%12BMCRTRL12BMCRTRL12BMCRTRL34BMCRTRL12BMCRTRL361540103615401055109104610501040104318(24h)4515411050104510581038106310411057105010611052104516[4]-5010[4]-54184111[3]601045[3]:32W(BMCR),363a85%,350MW,300MW(82%),3113%,350MW,300MW(EFOR7%),(EXR)(OF),(3a)3,4,BMCR(TRLECR),11W4,;,,12,;,,5a,,,,332W199911©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.12qV,L(152kW/m3),qF,L(211MW/m2),:(1),215m;,;(2),(2155m,1150m,);(3)(3),;(4),1400,12,[5],;,,,:(1),qV,L(22616kW/m3),1119;(2),(44%40%38%);(3)1117,0186,,212,,,(315m),,,1,,,()12,,,28,221,3412,,3412;,1199751,,,FW,qV,L(258kW/m3),55a12,,,(R905%)(1127),Cfh2%4%;Cfh=318%,q4=116%,12,Cfh12,:(1)2,,;(2);(3);(4)/;(5);(6)(),3412246511419991132©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(Vdaf)Vdaf2(Cfh)VdafVdaf,Cfh512,,,1R90=7%11%;2R90=7%14%(R90=6%),,R9015%23%,R200117%217%Cfh12MPS,TRL,(R90=10%)R9015%23%3412R90=8%12%,;R9012%14%,5132,W,(Cfh),2,TRLO24%5%(1124%1131%);(70%75%TRL)O2515%615%(11351145)514/,,()(8%20%)(,);2,4;,(3%6%)1251(75m)()551%R751A(1025)(1527)(1050)1B10(1030)(1035)1C(510)10(2835)1D(1014)(1325)(2550)515,,,2(80mm),,,;280330mm(),,,12,DRB,XCL,,,W516qV=12514kW/m3,qV,L=22616kW/m3,11161119,,,3412qVqV,L,1113113612,,6NOxW,,NOxNOx()WNOx(O2=6%)6532W199911©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.6WNOx(O2=6%)mg/m3100%TRL129501300(10501150)4825/84972%TRL79112131875%TRL125553%TRL90012[6]9206,WNOx,,300350MWW,NOx8501300mg/m3(O2=6%)(650mg/m3)7711W(),,;(,Vdaf10%)712Vdaf12%2%(),17%2%()WVdaf10%713W,,,,714,300MWW,Vdaf10%15%,(BMCR):qV110kW/m3,,100kW/m3;qV,L200kW/m3,,175kW/m3;qF,L3MW/m2,;/(DU/DL)015;30%40%;/(W/D)L,1,,715W,,250mm(,)15%,10%;,(),810m/s71650%,,3545m/s,,,NOx,,81W1,19982FW1,19913300MWW1(),199742300MWW1(),19975321,19966GECALSTHOMSteinIndustleBoilersforAnthraciteandMeagerCoalsinChinesePowerStations1GEC/SI,199471,1998:1999206220()619991132©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.