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1000-4416200310-0620-03*300072TU995BSchemeDesignandEconomicAnalysisonWasteHeatBoilerwithHeatTubeSUNZhou-yangTUGuang-beiYOUShi-junYANGJieSchoolofEnvironmentScienceandTechnologyTianjinUniversityTianjin300072ChinaAbstractThemaindesignparametersofwasteheatboilerwithheattubearecalculatedandeconomicanaly-sisofitsdifferentuseiscarriedout.Keywordsheattubewasteheatboilerschemedesigneconomicanalysis1180～250℃300℃30%140070t120t60241976450kW116℃197998℃2200kW522.1Φr=K1BVcpΔtΦrkJ/hK10.7Bkg/hVm3/kgcp1.40kJ/m3KΔt℃1212.2200～700℃2310200310Gas&HeatVol.23No.10Oct.2003*2003-01-121978231/GJh-110152050/GJh-17.4711.3021.5438.96/%79.5087.8282.8488.00/kgh-1231.50315.80640.981090.80/m3kg-118.1016.1016.5313.82/℃268224215228/℃128℃150℃/kJh-148350236778867493211514812/th-12.04.06.510.0/th-11.893.855.847.60/℃147.9143.6150.3180.0/MPa0.450.400.481.00/%78.782.083.980.5/kgh-1109.69227.2398.14439.23/m3kg-117.8618.3315.5117.09/℃290216236245/℃128℃150℃/kJh-1268783269376520441698849U3St=1.3df=0.0832mSiﾍ=0.53St=0.072mLc=0.4mLe=1.5mLa=0.01mL=Lc+Le+La=1.91mAeo=πd0Le=0.15m23αa=15W/m2℃ΔTm200℃Φs=ΔTm/Rf2.320℃90℃1000mm1200mm10mm3d0/m0.027β6.05D0/m0.032η00.96df/m0.064Rf/KW-10.12/m0.016αw/Wm-2K-1907δf/m0.0025Φs/kW1.66633.1P1M1M1=1+kNBpk0.21NBp260/42M2M2=k1Φrk1k1=0.1/kJh-1P=M1+M23K=5000/a3.21MoMo=BotΦr/QlMo/aBo2.0/kgt2500hQl42700kJ/kg2MeMe=PetBeMe/PekWBe/kWhMM=8760C1C2C3Pe+P'e-I-C3KC10.9C2Be/kWh12610C35610aPekWP'eP'e=0kWIK/a3.3Pii=8%n=5AA=Pi1+in1+in-1=0.251Pττ=PM0+Me-K-A4454/kJh-14835023677886749321151481/kW134102187319/kgh-111.328.6115.8026.95/kg-12.0/a-15660043050790001347508162113192/25272193443525659904/483503677867493115148/736225612210274917505/a2.222.342.132.04555/kJh-1268783369376520411698849/kW7474.6144194/kgh-16.296.3012.1816.36/kg-12.0/a-131450315006090081800454587117/14040140402714435604/26878269375204469885/409184097779188106398/a2.532.532.202.121.M.1999.149153.2.M.1987.50123.3.M.1985.278289.4.M.1995.4189.5.M.2000.212213.6.M.1993.278287.2262003