炉膛出口温度计算方法的分析与比较

195199910POWERENGINEERINGVol.19No.5Oct.1999363:1000-6761(1999)05-0363-04周克毅1,　赵　震2,　曹汉鼎2(1.东南大学动力工程系,南京210096;2.上海发电设备成套设计研究所,上海200240):炉膛出口烟温计算对电站锅炉设计有重要的影响,该文就现有的主要计算方法进行了分析,并通过算例说明了各种方法的特点及其适用范围。图4表1参7:;;;:TK222:A:1999-03-01:,,,0,,,,,,,,,,11.11957,,,,,,,BjVCp(T-Tl)=Fl0T4hyTThyTlBjVCplFF0T4,lBo4hy+l-1=0Bo=BjVCpF0T3,=T/T:hy=c1nl(1),:1-ll=M(lBo)0.6(2)(2),M,M=0.445,,,M,M=A+B(xr+x)A,Bxrx1973,,,,,1973:6002650t/h,100130[2],1.2,,:l=f(Bol,ThyT0)(3)T0(Tyx),qF/qFjThy1qFj,qFj=0lT4hy,jqF1,T0=1470K,qF/qFj=1,,[2]l=1-0.96M(T0T)1.2(lBo)0.6(4)1qF/qFjThy(4)T0=1470K(4)[T0T]1.2Bo=BjVCp0FT3=BjVCp(T-273)0FT4VCpVCllTT-273CpCllBo*=BjVCp(T-273)0FT4=BjQlF10T4qF=BjQlFBo1.227Bo*:l=1-M(lpjT210800qF)0.6(5),(5)(4)(5)qF,,(ASME)1.3,31.3.1　方法1(4),,l[3]:l=1-(T0T)2MlBoM+(Bol)0.60.5(6),(4)(5)(6)3364191973,(1)(3),qFqFj,(5),[13]1.3.2　方法21973,(2),M,f,(7),1973,[4]l=TfM(lBo)0.6+1-273(7)(7)f=kFVl,k,F,VlM,M=A+B(xr+x),=zh+rj(8)zh,zh=d/w1,Mdw1,(8)rj,,,[4]1.3.3　方法375t/h220t/h400t/h,Mh/ddl,2[6]M=T4lT4,h,ddl,M=T4lT4l0F1T4=BjVCpj(T-Tl),l=4BjVCpj(T-Tl)l0MF1-273(9)[5]1.4ASME,QQ1qF,32Mh/ddl4qF=BjQ1F,Il=qF(1-)F/Bj,,qF,,,,,,,,,,334=1.25,,34,l,Il,3,3ASME36554,ASME,;,,,214,(2),,(2)14(:)(2)(4)(5)(6)(9)ASMEWG220110911671174120811241079SG400111011551156115710271029HG670114212161220125310261110B&W1190124113501351134811321198(4)(5),(4)(5);(6)l,(4)(5)(6)3,,3(5):;qFASME(9)ASME(9)400t/h[5],(9)(h/ddl),ASME,,ASME,ASME,,3(1);(2),,;(3)ASME[1]..,1990,4[2]..,1991,3[3]..,1992,6[4]..,1992,6[5].().,1985,6[6].().,1991,10[7]..,1981,7(下转第414页)36619ExperimentalInvestigationonDesulfurationRegularityofBio-CoalCombustionLIUWei-jun1,SUNQing-bin2,ZHANGWei-jie3,HURen-de4(1.Dept.ofHeatandEnergie,HarbinUniversityofScienceandTechnology,Harbin150040,China;2.HeiLongjiangExaminationInstituteofBoilerandPressureVessel,Harbin150000,China;3.HarbinExaminationInstituteofBoilerandPressureVessel,Harbin150000,China;4.HarbinPuhuaCoal-CombustionDevelopmentCenter,Harbin150000,China)Abstract:Thedesulfurationtheoryofbio-coalcombustionispresented.Thispaperanalyzesthereasonsforveryefficientdesulfurationofbio-coalcombustion.Theexperimentalresearchinburningprocessiscarriedoutindepthontheinfluencefactorsofdesulfurationeffect,withinclusionofCa/Sration,excessair,bioticfueltypes,combustiontemperatureandsoon.Theconclusionsandregularityaretrustworthyusefultodesulfurationintheprocessofactualburning.Figs6,table1andrefs7.Themewords:bio-coal;desulfuration;combustionexperimentation(上接第366页)ComparisonandAnalysisofCalculationMethodsofFurnaceOutletTemperatureZHOUKe-yi1,ZHAOZhen2,CAOHan-din2(1.Dept.ofPowerandEngrg.,SouthestUniversity,Nanjing210096,China;2.ShanghaiPowerEquipmentResearchInstitute,Shanghai200240,China)Abstract:Thecalculationofoutletgastemperatureisveryimportanttodesignsofstationboilers.Mainexistingmethodsofthecalculationarecomparedinthispaper,andtheirfeatureandapplicationareillustratedbyexamples.Figs4,table1andrefs7.Themewords:stationboiler;furnace;gastemperature;calculation(上接第398页)AStudyofPerformanceofCeramicFilterPulse-jetCleaningSystemGUOJian-guang,JIZhong-li(PetroleumUniv.,Beijing102200)Abstract:Basedontheexperimentalresearchofceramicfilterpulse-jetcleaningsystem,theinfluenceoftheoperationparametersandthestructureparametersonthepulse-jetperformanceisanalyzed.Theaboveinvestigationresultsarevaluabletounderstandthemechanismofthepulse-jetcleaningsystemandtodevelopnewreliableandeconomicalpulse-jetcleaningtechnologies.Figs12andrefs3.Themewords:ceramicfilter;injector;pulse-jetcleaning;transientpressure41419