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1、220t/hfueltechnicalandeconomicanalysisofblastfurnacegasboilerAbstract:Alargesteelcompanyintheenergyguzzler,theconstructionofthe220t/hburningblastfurnacegasboilerprojecttechnicalandeconomicanalysisforenterprisedevelopment,onthebasisofenergysavingandenvironm
2、entalprotectiontoachievecoordinationandsustainabledevelopmentprovidethebasisfordecision-makingservices.Keywords:burningblastfurnacegasboiler;economicanalysis;energysaving0OverviewAlargesteelcompanyin2005,energyconsumption544milliontonsofcoal,thecomprehensi
3、veenergyconsumptionof836tonsofsteel.3Kgce,tonsofsteelcomparableenergyconsumption796.3Kgce,highIronandsteelindustryin2005tonofsteel741Kgceoftheoverallenergyconsumptionpertoneofsteelthantheenergyconsumption715Kgceaveragelevel.furnacegasemissionlossesofthecom
4、panyin2005was10.22%.Blastfurnacegasemissionlossof143,000tonsofstandardcoal.(2)oftheenterprisein2005tonsofsteelconvertergasrecoveryratioof54m3and95m3thereisabiggapcomparedwiththedomesticadvancedlevel.Tonofsteelrecycled90cubicmetersofconvertergas,in2005theco
5、mpanylossofconvertergas1.77Billioncubicmeters.Enterprisestoimproveenergyefficiency,energyconservation,andplanstobuildtwosetsof220t/hfull-burningblastfurnacegastemperatureandhighpressureboilers,andconfigurea15MWhighbackpressurepre-generatorset.1design1.1ene
6、rgy-savingandgasbalancecalculationCorporatepigironandcokeproductionin2005were6.53milliontonsand300tons,thatis,thehourishigh,cokeovengasremainsunchanged.Inordertoreducetheoverallenergyconsumptionoftonsofsteel,convertersteel,ironandsteelratiodecreasedfrom1.0
7、8in2005,1.0,convertersteelproductionwas6.5milliontons.TonsofsteelconvertergasbackYieldof54cubicmetersin2005to90cubicmeters,therecoveryoftheamountof585millioncubicmeters,73,100cubicmetersofhoursconvertergasrecovery,morethan41,200cubicmetersin2005/multi-recy
8、cling38,100m3/h.Transferistoimprovethequalityofthesinterandblastfurnaceairtemperature,willbemorethanrecoveredIronmakingandsinteringofthefurnacegassupplysystem,thereplacementoftheoriginaluseofblastfurnacegas.b
