本科毕业设计外文文献及译文定稿

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1、本科毕业论文外文文献及译文文献、资料题目：InfluenceofCoal-feedRatesonBituminousCoalIgnitioninAFull-scaleTiny-oilIgnitionBurner文献、资料来源：期刊文献、资料发表（出版）日期：2009.8.5院（部）：热能工程学院专业：热能与动力工程班级：热动073姓名：仲明凯学号：2007031271指导教师：杨冬翻译日期：2011.3.31山东建筑大学毕业设计外文文献及译文外文文献InfluenceofCoal-feedRatesonBituminousCoalIgnitioninAF

2、ull-scaleTiny-oilIgnitionBurnerABSTRACTAtiny-oilignitionburnerhasbeenproposedtoreduceoilconsumptionduringthefiring-upprocessandpartial-loadoperations.Toinvestigatetheinfluenceofdifferentfeedratesonbituminouscoalignitioninthetiny-oilignitionburner,full-scalereacting-flowexperiment

3、swereperformedonanexperimentalsetup.Theignitionburnerwasidenticaltothatnormallyusedinan800-MWeutilityboiler.Gastemperaturedistributionsintheburnerwereobtainedatcoal-feedratesof2,3,4,and5tonnes/h.CharburnoutandreleaseofCandHwereobservedattheexitoftheburnernozzle.Gascompositionssuc

4、hasO2andCOweremeasuredinthecenteroftheburner.Achangeinresistancewasobtainedwithintheburner.Asavingof90%overpreviousoilconsumptionwasgainedinthefiring-upprocessbyusingthenewoil-guntechnology.Keywords:Tiny-oilignitionburner；Coal-burningutilityboiler；Coal-feedrates1.IntroductionTofi

5、re-upaboiler,oilisprimarilyusedtopre-heatthecombustionchamberofafurnacebringingittoitsoperatingtemperature.Generally,oilisdeliveredunderhighpressurebyanoil-gunwithadeliverycapacityofabout1tonne/h.Therefore,intheinitialfiringupprocessofabituminouscoal-fired300MWeutilityboiler,abou

6、t100tonnesoffueloilwouldbeconsumed.Concernsoverincreasingeconomiccostsinpulverizedcoal-firedpowerstationsarisingfromoilconsumedinthefiring-upprocessandpartial-loadoperationshasspurredinterestindevelopingoil-freeandtiny-oilignitionburners.Variousinvestigatorshavereportedstudiesofo

7、il-freeignitionburners.Masayaetal.studiedthestabilizationofpulverizedcoalcombustionusingaplasma-assistedburner,whileKaniloetal.investigatedtheignitionandcombustionofpulverizedcoalusingamicrowave-assistedburner.InChina,Zhangetal.describedtheirapplicationofplasmaignitiontechnologyi

8、nbituminouscoal-firedboilers.However,for