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1、本科机械毕业设计论文CAD图纸QQ401339828柱式气液旋流分离器设计【摘要】平衡钻井技术有利于防止钻井液漏失、能及时发现和保护油气层，并能提高机械钻速等。但是由于欠平衡装备价格昂贵，制约着这一技术的发展。鉴于这种现状，自行设计了台应用于欠平衡钻井的管柱式气液旋流分离器。管柱式气液旋流分离器是一种带有倾斜切向入口及气体、液体出口的垂直管。它依靠旋流离心力实现气、液两相分离，与传统的重力式分离器相比，具有结构紧凑、重量轻、投资节省成本等优点，是代替传统容积式分离器的新型分离装置。在气液两相旋流分析的基础上，建立了预测分离性能的机理模型，该模型包括了入口
2、分离模型、旋涡模型、气泡及液滴轨迹模型；依据机理模型，提出了管柱式旋流分离器工艺设计技术指标和工艺步骤.设计根据管柱式旋流分离器的机理模型以及设计工况，完成了管柱式旋流分离器的结构设计、强度分析、理论校核、焊接工艺设计以及分离器内气液两相流的数值模拟，为工程设计和理论设计提供一定的理论依据。【关键词】欠平衡钻井技术旋流分离器气液两相流动分离机理模型设计37本科机械毕业设计论文CAD图纸QQ401339828Gas-liqulidCylindricalCycloneAuthor:Wangmaohui(SchoolofMechanicalEngineerin
3、g,YangtzeUniversity)Tutor:FengJin(SchoolofMechanicalEngineering,YangtzeUniversity)【Abstract】Thebalancedwelldrillingtechnologyisadvantageousinpreventinglossofcirculation,canpromptlydiscoverandprotecthydrocarbonzone,alsocanenhancethepenetrationrate.Buttheexpensiveunderbalanceequipm
4、enthasrestrictedthistechnology’ssdevelopment.Inviewofthesituation,Idesignedagas-liqulidcylindricalcycloneindependentlyforthebalanceunderdrilling.TheGLCCisonekindhasleansthebevellingtotheentranceandthegas,theliquidexportationhangstheascendingpipe.Itcanrealizethegas-lipfluidseparat
5、iondependsuponthecyclonecentrifugalforce.comparedwiththetraditionalgravitytypeseparator,whichhasthecompactstructure,thelighterweight,thesmallerinvestmentandsoon.It’sanewdisengagingequipmentwhichreplacethetraditionalvolumetypeseparator.Onthebasisofthegas-liquidtwo-phasecycloneanal
6、yses,hasestablishedtheforecastseparationperformancemechanismmodel,thismodelincludetheentranceseparationmodel,thewhirlpoolmodel,theairbubbleandthebubblepathmodel;Basedonthemechanismmodel,proposedthetubecolumntypecycloneseparatortechnologicaldesigntechnicalspecificationandthecrafts
7、tep.Thedesignbasistubecolumntypecycloneseparatormechanismmodelaswellasthedesignoperatingmode,hascompletedthetubecolumntypecycloneseparatorstructuraldesign,theintensityanalysis,thetheoryexamination,intheweldingtechnologicaldesignaswellasthenumericalsimulationofthegas-liquidtwophas
8、efloeintheseparatorsimulations,provideth
