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ID:32341625
大小:11.26 MB
页数:120页
时间:2019-02-03
《w型火焰锅炉中hap低nox燃烧技术的实验研究与模拟计算》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、浙江大学硕:{:学位论文Abstractofreac址呜ade印erpeIlen.ationd印mofp血a巧air锄dla唱err。circul撕onzonewitlloutadeadrecirculationiIlme嬲hhopperzone.Silllulationexp耐mentsalsoshowmatmewaUseconda拶airwith450andup-locatedhorizontal—fedhopperseconda叮airisnlebeStchoice.Guizllou如citecombuStiontestswerec硎edoutt0cvaLluate也ebo
2、ilerperf.omlaIlCeapplyiIlgHⅢ’tecllllolog)r0na3.52MWdown—fi川boiler.111eresultsiIldicatet11atHAPtecllIlologycanaVoidgeneratinglarge锄。埘1tofNOxiIlthe11igh-temperaturelower如mace.BottomsecondaryairaIldOFAhaVegreatiⅡlpactonu11bumtcarboncontentofpulVe比edcoalparticlesbutlittle证1pactont锄peranlredistrib
3、ution;hopperseconda巧airiIlflueIlcesN0l砌ssionalot.Thetestsalsoi11dicatematN(k锄issionc锄iIlcreaseast11eeXcessaircoe伍cientgoesupwmlet伽叩eraturesillcreasefirstly锄d吐lenbecomestable.Itisbetterfortlleexcessaircoemcienttobe1.1,wbjchcanhavealowerNOJe珏1ission柚dⅦ曲啪tcarboncontentofpulVerizedcoalpaIticles.T
4、heuIlb啪tcarbonC0memofnyashc锄con臼.0linmer卸geof5%士3%andNOxemission700士200m∥m3byHAPtechnology.ComparedwitIltllenomaldown-firedtechnology,HAPtechnologyh嬲relatiVereductioIlSof27.23%一61.68%ofNq锄issioIlswithoutdroppillgdownboilerefficiency.FillallywedidhotstatcImm嘶calsiIllulationsofHAPtecllllolo醪The
5、reSultsshowtllatade印erpencn嘶ond印mofprima巧air觚dlongerresidencetiIIleofpulVe血cd—coalpaniclesappearei11tlle胁1acewitIlH』6心technology锄dal鹕e锄。嘣ofrecirculationfluegaSbacl【flowcanensuresuf五cientheatformepulVerized—coali星面tion.Thecon仃aStc豁egeneratesNqemissionsa10tinmemiddlepanoftIlelower胁1ace锄dashhopp
6、erzonew11ileHAPtechlologi∞donot.Thedead陀circulationzonec肌beeliIniIlatodandareductiVea衄osphereisf0肌e也wKchgo懿againstt0NOrgenemtion.OVemU,s砷ulated锄dexperimentalresultSConsistcmweU趾deachcaSewi也HAPtechIlologyhaVeNqreducdonsof灿ut50%C0mparedwimmeCon雠LstcaSc.N(kc血ssioniIlcre弱骼witlltheexcessaircoe衢cie
7、ntiIlcrea∞,锄dgrowsf-asterif也eexce豁aircoe衔cientisgreaterth龇1.3.KeywordlS:down—firedboiler'NOx,cold—state,hot—state,肌m嘶calsiIIlul撕。玛air-sta咖舀coDlbus60n.anthraciteV浙江大学硕士学位论文目录目录致谢⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..I摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
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