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1、安徽農(nóng)業(yè)科學(xué),JournalofAnhuiAgri.Sci.2007,35(36):11948-11950責(zé)任編輯孫紅忠責(zé)任校對(duì)李洪甲醇/柴油混合燃料的應(yīng)用研究121楚宜民,袁增春,單士睿(1.許昌職業(yè)技術(shù)學(xué)院機(jī)電工程系,河南許昌461000;2.河南省南陽(yáng)油田技術(shù)監(jiān)測(cè)中心,河南南陽(yáng)473001)摘要[目的]為柴油機(jī)摻燒甲醇技術(shù)的應(yīng)用提供依據(jù)。[方法]在柴油機(jī)結(jié)構(gòu)不變的情況下,把甲醇、柴油、OP乳化劑按體積比15∶80∶2.5混合,采取新的乳化工藝研制混合燃料,并與柴油作比較。[結(jié)果]甲醇-柴油混合燃料的密度和
2、粘度較柴油降低,粘度為1.20°E20,霧化質(zhì)量和蒸發(fā)性能得到提高?！拔⒈?yīng)”對(duì)柴油機(jī)的負(fù)荷特性有影響,使熱效率提高。隨著負(fù)荷的增大,柴油機(jī)燃用混合燃料的耗油率低于燃用柴油的油耗率,經(jīng)濟(jì)性有所提高。甲醇-柴油混合燃料平均節(jié)油率達(dá)9.5%,在中、高負(fù)荷下節(jié)油率平均達(dá)12.4%。在中、高負(fù)荷范圍內(nèi)燃用混合燃料的煙度均低于燃用柴油時(shí)的,下降達(dá)25.6%,NOx的排放值顯著降低。[結(jié)論]柴油機(jī)燃用甲醇-柴油混合燃料熱效率有所提高,中、高負(fù)荷時(shí)耗油率顯著下降,經(jīng)濟(jì)性好,減少了環(huán)境污染,具有良好的經(jīng)濟(jì)和社會(huì)效益。關(guān)鍵詞柴
3、油機(jī);甲醇;混合燃料;乳化工藝中圖分類(lèi)號(hào)S232.6文獻(xiàn)標(biāo)識(shí)碼A文章編號(hào)0517-6611(2007)36-11948-03ResearchontheApplicationofMixedFuelofMethanolandDieselCHUYi2minetal(DepartmentofMechanicalandElectricalEngineering,XuchangVocationalCollege,Xuchang,Henan461000)Abstract[Objective]Theaimwastoprovid
4、ebasisforapplyingtechnologyofmix2burningmethanolindieselengine.[Method]Undertheconditionofinvariablestructureofdieselengine,methanol,dieselandOPemulsificationreagentweremixedaccordingtovolumeratioof15∶80∶2.5.Themixedfuelwaspreparedbynewemulsificationtechnolo
5、gyandcomparedwithdiesel.[Result]Thedensityandviscidityofmethanol2dieselmixedfuelwerelowerthanthatofdiesel,thevisciditywas1.20°E20,andatomizationqualityandevaporationcapabilitywereenhanced.“Microexplosioneffect”hadinfluenceontheburthencharacteristicofdieselen
6、gine,andenhancedthermalefficiency.Alongwiththeincrementofburthen,thefuelconsumptionrateofburningmixedfuelwaslowerthanthatofburningdieselindieselengine,theeconomywassomeenhanced.Theaveragefuelsavingrateofmethanol2dieselmixedfuelreached9.5%,thefuelsavingratere
7、ached12.4%averagelyundermediumandhighburthen.Intherangeofmediumandhighburthen,allthesmokeintensityofburningmixedfuelwaslowerthanthatofburningdiesel,andthedecrementreached25.6%,andthelettingvalueofNOxreducedsig2nificantly.[Conclusion]Thethermalefficiencyofbur
8、ningmethanol2dieselmixedfuelindieselenginewassomeincreased,thefuelconsumptionratede2creasedsignificantlyundermediumandhighburthenwithgoodeconomy,reducedenvironmentalpollutionandhadgoodeconomican
