柱式气液旋流分离器设计

《柱式气液旋流分离器设计》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、柱式气液旋流分离器结构设计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，该模型包括了入口分离模型、旋涡模型

2、、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1Gas-liqulidCylindricalCycloneAuthor:Wangmaohui(SchoolofMechanicalEngineering,YangtzeUniversity)Tutor:FengJi

3、n(SchoolofMechanicalEngineering,YangtzeUniversity)【Abstract】Thebalancedwelldrillingtechnologyisadvantageousinpreventinglossofcirculation,canpromptlydiscoverandprotecthydrocarbonzone,alsocanenhancethepenetrationrate.Buttheexpensiveunderbalanceequipmenthasrestrictedthistechnolo

4、gy’ssdevelopment.Inviewofthesituation,Idesignedagas-liqulidcylindricalcycloneindependentlyforthebalanceunderdrilling.TheGLCCisonekindhasleansthebevellingtotheentranceandthegas,theliquidexportationhangstheascendingpipe.Itcanrealizethegas-lipfluidseparationdependsuponthecyclone

5、centrifugalforce.comparedwiththetraditionalgravitytypeseparator,whichhasthecompactstructure,thelighterweight,thesmallerinvestmentandsoon.It’sanewdisengagingequipmentwhichreplacethetraditionalvolumetypeseparator.Onthebasisofthegas-liquidtwo-phasecycloneanalyses,hasestablishedt

6、heforecastseparationperformancemechanismmodel,thismodelincludetheentranceseparationmodel,thewhirlpoolmodel,theairbubbleandthebubblepathmodel;Basedonthemechanismmodel,proposedthetubecolumntypecycloneseparatortechnologicaldesigntechnicalspecificationandthecraftstep.Thedesignbas

7、istubecolumntypecycloneseparatormechanismmodelaswellasthedesignoperatingmode,hascompletedthetubecolumntypecycloneseparatorstructuraldesign,theintensityanalysis,thetheoryexamination,intheweldingtechnologicaldesignaswellasthenumericalsimulationofthegas-liquidtwophasefloeinthese

8、paratorsimulations,providethecertaintheorybasisfortheengineeringdesi