预览加载中，请您耐心等待几秒...

低甲烷浓度煤层气部分预混式旋流燃烧器燃烧特性的实验研究.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

低甲烷浓度煤层气部分预混式旋流燃烧器燃烧特性的实验研究 Title:ExperimentalStudyonCombustionCharacteristicsofMethaneLeanCoalbedGasinPartiallyPremixedSwirlBurner Abstract: Inrecentyears,theutilizationofcoalbedgas(CBG)hasgainedsignificantattentionduetoitspotentialasanalternativeandcleansourceofenergy.However,thelowmethaneconcentrationinCBGposesachallengeforefficientcombustion.Inthisstudy,anexperimentalinvestigationwasconductedtostudythecombustioncharacteristicsofmethaneleanCBGinapartiallypremixedswirlburner.Theburnerdesignandoperatingparameterswereoptimizedtoachievestableandefficientcombustion.Theresultsshowedthatthepartialpremixingofairandfuelenhancedthecombustionprocess,resultinginimprovedcombustionefficiencyandreducedemissions.Thestudyprovidesvaluableinsightsintotheutilizationoflow-methanecoalbedgasforenergyproduction. 1.Introduction Coalbedgas(CBG)isatypeofnaturalgasthatisfoundincoalseams.Itprimarilyconsistsofmethane(CH4),withvaryingconcentrationsofotherhydrocarbons.CBGhasattractedattentionasapotentialenergysourceduetoitsabundantavailabilityandlowergreenhousegasemissionscomparedtoconventionalfossilfuels.However,thelowmethaneconcentrationinCBGmakesitchallengingtoachieveefficientcombustion.CombustionofmethaneleanCBGinapartiallypremixedswirlburnercanhelpovercomethesechallengesbyimprovingthemixingofairandfuel,resultinginenhancedcombustionefficiencyandreducedemissions. 2.ExperimentalSetup Theexperimentalsetupconsistedofapartiallypremixedswirlburner,aflowcontrolsystem,andadataacquisitionsystem.Theburnerdesignwasoptimizedtoensureefficientmixingofairandfuel.ThegasflowratesofairandCBGwerecontrolledusingflowcontrolvalves.Thecombustionprocesswasmonitoredandrecordedusingadataacquisitionsystemtomeasureparameterssuchastemperature,pressure,andemissions. 3.ResultsandDiscussion ThecombustioncharacteristicsofmethaneleanCBGinthepartiallypremixedswirlburnerwereinvestigatedforvariousoperatingconditions.Theeffectsofequivalenceratio,swirlintensity,andfuel-airmixingratiooncombustionefficiencyandemissionswereanalyzed