W型火焰锅炉炉膛传热计算方法的研究

213121420016POWERENGINEERINGVol.21No.3June2001:100026761(2001)0321214205W,,,(,100085):W1973,2,660MWW:,:W,,,214:W;;:TK223:A:2000204223:(1963-),,()0W(FWEC)90W1996300MWW,:WNOx,19%,,,,WW:,,W,W,W,,,WW,,WW,1973,2,W1W1W,,,,80%120%,,,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,W,,1300MWW1232W2.1,19734,,,alM,W,W(),2(),,W,W,,,,W2.2,,,50C36:2.2.1():;1=100100-q4BrjdQydw+Qk-Q6Vcpj-3.6R0al1T4lBjõVcpj7F(C)(1)q4BjQydwQkQ6Vcpj:Vcpj=(Ql-Hl)ö(;a1-;l)(2)R0al1al1=1-e-k1ps1Tl7F:7F=F1q17pj1+71Fc1+71Fc2(3),Flq1;7pj1;7151213©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,0.1;71,71=7pj1;Fc1,Fc22.2.2():;2=$Brjd2QydwVcpj2+c2c2;2-1+T2T243.6R0al2T42[Fc,pj2(72-72)+7l2Flq2]2BjVcpj2(4)$Brjd=Brjd2-Brjd1;T2;2;Vcpj2;c2c2;2;2;Fpj,:Fpj=Fc2+Fc22;72;72;(72-72)0.1;7pj,2,7pj,2=7,Flq2,,Flq2=Azy,22.3.3():;2=$Brjd3QydwVcpj3+c3c3;3-1+T3T343.6R0al3T43[Fc,pj3(73-73)+7l3Flq3]2BjVcpj3(5),34,Flq3;,3,;3,2.3,:;=TlTa=B0.6OMa0.6l+B0.6O(6);,;0.9;Tl,K;Ta,K;al;M,M,,M=0.46;BO,:BO=UBjVcpj3.6R07pjAlqT3a(7)U,U=1-q5100;Vcpj1kg(;a-;l),Vcpj=(Ql-Hl)ö(;a-;l);Upj;Alq,:;l=;a+273M[3.6R07pjAlqalT3aö(UBjVcpj)]0.6+1-273(8)MM=0.46,M=0.56-0.5X1,X1,W,X1,,,h1,H133.1660MWFWEC(W)50%50%2026.8töh,17.5MPa,540.8C1864.8töh,4.1MPa,540.8C250C,6FWECD212D,3:(BM2CR),(TRL),50%(50%TRL)3.2,,,612121©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2VisualBasic6.0W21(C)(TRL)(BMCR)50%TRL1081.01106.0785.81105.91138.5871.91207.91236.4986.83.3(TRL),;l1105.9C,1081C24.9C;(BMCR);l32.5C,50%(50%TRL),86.1C,1973,,660MWM=0.438;l,M0.46,;lW,71213©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4(1)W,,,W(2)W,,W,(3),:[1].[M].,,1985.[2],.W[J].,1999(11):15.[3].W[J].,1994(4):2025.[4].[S]..,1976.AStudyofTheHeatingCalculationMethodsinFurnaceforW-FlameBoilerLIUTong,CHENJin2ming,XUGang,SONGXiao2na(NorthChinaElectricPowerUniv.,Beijing100085,China)Abstract:W2flameisanewboilerconfigurationintroducedtoourcountryfromAmericain1990s.Ithasbeenprovedthattheboilerhasmoreadvantages,suchasfiringcondition,minimumstablecom2bustionloadrate,burninganthraciteandleancoals,capacityofstablecombustionanddecreasingNOxemission.Therefore,theboilerwillbewidelyusedinourcountry.ThethermalcalculationofW2flameboilerisexploitedinthispaper.Becausethetechnologyhasbeenintroducedforlessthan10years,therearenopolishedrulesforthermalcalculation.Sofortheheatingcalculationof660MWclassW2flameboilerofHanfengPowerPlant,theSovietruleswereused.Tofindtheappropriatemethodforthiskindofboiler,variousmethodswereused.Throughthecomparionoftheresults,someusefulsuggestionsofcalculationweregiven.Figs2,table1andrefs4.Keywords:W2flameboiler;heatingcalculationoffurnace;calculationinsections,,(,430072):,,,,34812121©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.