三相分离器操作手册

PAGEGWDC地面测试设备三相测试分离器(SK-V-401)操作手册(HBPPROJ.No.:10080259)GWDCGroundTestEquipmentThree-phaseTestSeparator(SK-V-401)OperationManual(HBPPROJ.No.:10080259)华油惠博普科技股份有限公司BeijingOilHBPScience&TechnologyCo.,Ltd2010年4月April,2010

目录ContentsTOC\o"1-2"\h\z\u1. 设备图片 11. Equipmentphotograph 12. 三相测试分离器简介 12.Briefintroductiontothree-phasetestseparator 13. 技术参数 33.Technicalparameters 34. 分离器的结构和原理 84.Structureandprincipleoftheseparator 84.1 分离器容器及内部元件 84.1Separatorcontainerandinternalelements 84.2 气路控制和计量系统 124.2Gaslinecontrolandmeteringsystem 124.3 油路控制和计量系统 264.3Oilroutecontrolandmeteringsystem 264.4 水路控制和计量系统 294.4Waterroutecontrolandmeteringsystem 294.5 安全系统 294.5Safetysystem 294.6 仪表风系统 304.6Instrumentairsystem 304.7 进出口旁通管汇 314.7Bypasspipejointsofinletoroutlet 314.8 原油收缩率测定仪 314.8Contractionpercentagetesterforcrudeoil 315. 系统安装 345.Systeminstallation 345.1 撬体吊装 345.1Skidhoisting 345.2 系统安装 345.2Systeminstallation 346. 现场调试和试压 356.Sitecommissioningandpressuretest 357. 投运前的准备工作 397.Preparationsbeforeoperation 398. 正常运行、事故处理及维护 408.Normaloperation,accidentdisposalandmaintenance 409. 操作、维护、注意事项 439.Noticetooperationandmaintenance 439.1 投产前的准备工作 439.1Preparationbeforeputintooperation 439.2 投产步骤 479.2Stepstoputintooperation 479.3 停产步骤 499.3 Productionstoppagesteps 499.4 操作维护注意事项 499.4Notetooperationandmaintenance 4910 附图 5010.Appendixfigures 5011 附表：分离器仪表配置表 5011. Appendixtable:Configurationtableofseparatormeters 50华油惠博普科技股份有限公司GWDC油田地面测试设备—三相测试分离器操作手册ChinaBeijingOilHBPScience&TechnologyCorp.,Ltd GWDCgroundtestequipment–three-phasetestseparator(SK-V-401)operationmanual！声明：本手册内容为华油惠博普科技股份有限公司专有。未经HBP许可，不得翻印、仿制或向第三方转让，违者将追究其法律责任。Declaration:thismanualispropetyofChinaOilHBPScience&TechnologyCorp.,Ltd,anyreproduction,duplicationortranferringtothirdpartywithoutHBPpermissionshallbeporhibted,theoffenderwillbeprosecuteditslegalobligations.PAGE52/53设备图片Equipmentphotograph三相测试分离器简介2.Briefintroductiontothree-phasetestseparator三相测试分离器应用重力分离的原理将油气水三相分开。在分离器的内腔上部是气室，气的出口在上部；堰板又将容器的下半部分成油室和油水分离沉降室，进入分离器的流体首先经入口弯管初分离后进入油水分离沉降室，在重力的作用下，最下部是水，水上面是油，油上部的空间为天然气。堰板的高度出厂时设在容器高度的1/2（从分离器筒体底部向上600mm）处，所以在工作的过程中我们控制油/水界面低于堰板的高度（界面控制设定值300mm，从分离器筒体底部向上300mm），油室的油位控制设定值500mm（从分离器筒体底部向上Three-phasetestseparatorisdesignedtoseparateoil,gasandwaterbygravityseparation.Thegaschamberwithtopgasoutletisplacedintheupsideofinnercavityoftheseparator;theweirdividesthelowerpartofthecontainerintooilchamberandoil-waterseparationsettlementchamber.Afterpreliminarilyseparatedbyinletelbow,thefluidflowingintothechamberisintroducedintotheoil-waterseparationsettlementchamber,andthenseparatedundergravitationaleffecttoformthreelayers:thebottommostiswater,oilsuspendsabovethewater,andthetopsideisnaturalgas.Theheightofweirissetat1/2ofthecontainerheight(600mmupwardfromthebottomoftheseparatorcylinder)whenleavingfactory;therefore,theoil/waterinterfaceiscontrolledlowerthantheweirheight(settingvalueofinterfacecontrolis300mm,namely,300mmupwardfromthebottomoftheseparatorcylinder),andthesettingvalueofoillevelcontrolintheoilchamberis500mm(500mmupwardfromthebottomoftheseparatorcylinder).天然气的计量通过DANIEL高级孔板流量计进行，可以通过在BARTON三笔记录仪上的记录进行人工计算气产量，也可以连接数据采集系统进行自动计算。油、水的计量使用NUFLO涡轮流量计，涡轮流量计的上部装有流量显示器，可直接读出数据，还可以与数据采集系统相连，将流量数据传给数据采集系统。ThemeteringofnaturalgasiscarriedoutbyDANIELseniororificeplateflowmeter,andthegasyieldcanbemanuallycalculatedaccordingtorecordeddataontheBARTONthree-penrecorderorautomaticallycalculatedbyconnectionwiththedataacquisitionsystem.OilandwatermeteringisconductedbyNUFLOturboflowmeter,whichisconnectedwithupsideflowratedisplayfordirectreadingofdataorwiththedataacquisitionsystemtotransferflowratedatatothesystem.分离器的压力通过气管线上的FISHER压力控制系统（压力控制器+压力调节阀）进行调节，油位和油/水界面通过FISHER液位/界面控制系统（液位/界面控制器+液位/界面调节阀）进行调节。TheseparatorpressureisadjustedviaFISHERpressurecontrolsystem(pressurecontroller+pressureregulatingvalve)onthegaspipeline,whiletheoillevelandoil-waterinterfaceareadjustedbyFISHERlevel/interfacecontrolsystem(level/interfacecontroller+level/interfaceregulatingvalve).分离器使用了1台先导式安全阀和1套爆破片两种安全装置，如出现异常高压，首先开启安全阀泄压；在前者泄压无效的情况下，爆破片破裂泄压，起到了双重保护的作用。Twokindsofsafetydevices,1pilotoperatedsafetyvalveand1setofrupturedisc,areadoptedfortheseparator.Undertheabnormalhigh-pressurestate,thesafetyvalveisopenedtoreleasepressure,andtherupturediscwillrupturedforpressurereleasewhentheformermethodisinvalidtoensuredualprotectioneffects.卧式三相测试分离器设有压力、油位和油/水界面自动控制，设备配有完整的管汇系统，易于操作。Automaticcontrolforpressure,oillevelandoil-waterinterfaceareallsetforthehorizontalthree-phasetestseparator,andthecompletepipemanifoldsystemisprovidedfortheequipmenttoachieveconvenientoperation.技术参数3.Technicalparameters尺寸48英寸（ID）×10英尺(S/S)Dimension: 48inch(ID)×10foot(S/S)(DN1.22m×3.05m)应用环境抗硫Applicationenvironment anti-sulfuric设计条件1440Psig@-20~130°F(9.93MPag@-28.9~54.4℃)Designconditions 1440Psig@-20~130°F(9.93MPag@-28.9~54.4℃)工作压力1350Psig(9.31MPag)Workingpressure 1350Psig(9.31MPag)工作温度100°F(37.8℃)Workingtemperature 100°F(37.8℃)外壳材料SA516Gr70N碳钢Shellmaterial SA516Gr70Ncarbonsteel封头材料SA516Gr70N碳钢Headmaterial SA516Gr70Ncarbonsteel接管SA-105Tube SA-105外观颜色指标蓝色Appearancecolorindex Blue人孔连接SA-105,ANSI600#RFWN&150#RFWNManholeconnection SA-105,ANSI600#RFWN&150#RFWN设备净重7902Equipmentnetweight 7902kg成撬外形尺寸6045mm(L)X2438mm(W)X2997mm(H)Skidexternaldimension6045mm(L)X2438mm(W)X2997mm(H)设备容积4Equipmentvolume4m3处理量Treatmentcapacity气65MMSCFD（最大量）（76690Sm3/h）Gas65MMSCFD(Maximum)(76690Sm3/h)液体13700BLPD（最大量）(91m3Liquid13700BLPD(Maximum)(91m3容器内件Internalpartsofcontainer入口弯管Inletelbow防波板Platewavepreventor丝网捕雾器Misteliminator水力冲砂管Hydraulicsandcleaning-outtube液体出口防涡罩Anti-vortexcoverofliquidoutlet技术指标：Technicalindices:出口原油含水≤5%Watercontentinoutletcrudeoil≤5%出口污水含油≤3%Oilcontentinoutletwastewater≤3%出口气中含液量≤0.05g/Nm3Liquidcontentinoutletgas≤0.05g/Nm3计量Metering气DANIEL高级孔板流量计带BARTON三笔记录仪，24小时/7天机械时钟，0-400"水柱，0-250℉，1500PSI静压Gas DANIELseniororificeplateflowmeterwithBARTONthree-penrecorder,24hours/7-daymechanicalclock,0-400"watercolumn,0-250℉,1500PSIstaticpressure.油NUFLO3"涡轮流量计带液晶表头(18.16-181.66m3/h)1个,可与数据采集系统配套；NUFLO2"涡轮流量计带液晶表头(9.09-90.85mOil OneNUFLO3"turboflowmeterwithLCDheader(18.16-181.66m3/h),abletobematchedwithdataacquisitionsystem;OneNUFLO2"turboflowmeterwithLCDheader(9.09-90.85m3/h),abletobematchedwithdataacquisition水NUFLO2"涡轮流量计带液晶表头(9.09-90.85m3/h)1个,可与数据采集系统配套Water OneNUFLO2"turboflowmeterwithLCDheader(9.09-90.85m3/h),abletobematchedwithdataacquisition其它仪表OthermetersFISHER249BP-2502型液位控制器2个FISHER249BP-2502Modellevelcontroller,20-250°F双金属温度计1个0-250°Fbimetalthermometer,10-3000PSI压力表2个0-3000PSIpressuregauge,20-300PSI压力表1个0-300PSIpressuregauge,1高压玻璃板液位计2个High-pressureglassplatelevelgauge,2控制阀Controlvalve气FISHER3"-ET-657-3582型压力控制阀一个，带4195K型控制器（0~1500PSI）Gas OnemodelFISHER3"-ET-657-3582pressureregulatingvalve,withmodel4195Kcontroller(0-1500PSI)油FISHER3"-ET-667-3582型液位控制阀1个，FISHER2"-ET-667-3582型液位控制阀1个Oil OnemodelFISHER3"-ET-667-3582levelregulatingvalve,withonemodel2"-ET-667-3582levelcontroller水FISHER2"-ET-667-3582型液位控制阀1个Water OnemodelFISHER2"-ET-667-3582levelregulatingvalve安全系统3"X4"压力释放阀1个，2"爆破片1个Safetysystem 3"X4"pressurereleasevalve,one2"rupturedisc进口连接3"Fig602HammerUnionThreadInletconnection3"Fig602HammerUnionThread出口连接油出口—3"Fig602HammerUnionWingOutletconnectionOiloutlet—3"Fig602HammerUnionWing水出口—2"Fig602HammerUnionWingWateroutlet—2"Fig602HammerUnionWing天然气出口—3"Fig602HammerUnionWingNaturalgasoutlet—3"Fig602HammerUnionWing天然气放空口—3"Fig602HammerUnionWingNaturalgasvent—3"Fig602HammerUnionWing排污口—2"Fig602HammerUnionWingDrainopening—2"Fig602HammerUnionWing其它Others收缩率测定仪1套1setofcontractionpercentagemeter橇上连接管汇1套1setofskidconnectionpipejoints手动球阀1套1setofmanualballvalve一套23片不锈钢孔板(0.250"~1.500",每0.125"一片；1.500"~4.500"，每0.25"一片)1setof23piecesstainlesssteelorificeplate(0.250"~1.500",0.125"foreachpiece;1.500"~4.500",0.25"foreachpiece)仪表风气涤器1个1instrumentairscrubber带吊耳的框架结构Framestructurewithliftinglug执行的标准Standards防硫：NACEMR.01.2002Anti-sulfuric: NACEMR.01.2002管线：ANSIB31.3Pipeline:ANSIB31.3容器标准ASMESectionVIII,Div.1,LatestRevisionandAddendaContainerstandardASMESectionVIII,Div.1,LatestRevisionandAddenda焊接ANSI/AWSD1.1WeldingANSI/AWSD1.1法兰及接头ASME/ANSIB16.5FlangeandjointASME/ANSIB16.5钢圈ASME/ANSIB16.5SteelringASME/ANSIB16.5认证Certificate试压报告Pressuretestreport安全释放阀认证Certificateofsafetybleedervalve分离器的结构和原理4.Structureandprincipleoftheseparator分离器容器及内部元件4.1Separatorcontainerandinternalelements分离器设备结构4.1.1StructureoftheseparatorequipmentHBP-WS48"×10'-1440/1三相测试分离器为卧式焊接压力容器，设备内径为1220mm，筒体长度（T/T）为3048mm。封头采用2：1的标准椭圆形封头，罐体总长度约为3860HBP-WS48"×10'-1440/1three-phasetestseparatorisahorizontalweldedpressurevesselwithinternaldiameterof1220mmandcylinderlength(T/T)of3048mm.Theheadisstandardelliptic(2:1),andtotallengthofthevesselisabout3860mmwithsafetyvalveandgasoutlet.Theinletelbowandmisteliminatordesignedintheseparatorarerespectivelyutilizedtopreliminaryseparationbygas-liquidenergyeliminationandgas-liquidseparation,andtheplatewavepreventorisusedtostabilizeoil-waterlevel.Furthermore,theoil-waterchamberclapboard,hydraulicsandcleaning-outpipeandanti-vortexcoveratoil-wateroutletarealsosetfortheseparator.HBP-WS48"×10'-1440/1型三相测试分离器，设计压力1440psi，设计温度-20~130°F，筒体及封头材质SA516Gr70N碳钢，腐蚀余量取3.175mm，筒体及封头设计壁厚为HBP-WS48"×10'-1440/1three-phasetestseparatoriswithparametersasfollow:designpressure1440psi,designtemperature-20~130°F,materialsofvesselandheadSA516Gr70Ncarbonsteel,corrosionallowance3.175mm,designwallthicknessofcylinderandhead50.8mm.设备的净质量为7902kg，设备充水质量为Thenetweightandwater-fillingweightoftheequipmentare7902kgand11902kg设备结构、开口尺寸及设备材质详见竣工图10080259-D02MEC1071-DWG01。Theequipmentstructure,nozzledimensionandequipmentmaterialsareshowninFigure10080259-D02MEC1071-DWG01indetails.分离器工作原理4.1.2Workingprincipleoftheseparator油气水混合物从入口N1进入三相测试分离器，首先经过入口弯管实现气液初步碰撞分离。消能后的气体上升到气相空间，气体携带的粒径大于10μm的液滴被后部气相空间的丝网捕雾器捕捉，含液量小于0.05g/Nm3的气体从出口N2流出，气体出口管路上设有压力控制系统和孔板流量计分别用于控制分离器的压力和计量气体流量。Oil,gasandwatermixtureisintroducedintothethree-phasetestseparatorfromtheinletN1,andthepreliminarycollisionandseparationofliquidandgasisachievedbyfirstintroducingthemixtureintoinletelbow.Thegasafterenergyeliminationmovesupwardtothegasphasespace,andtheliquiddropcarriedbygaswithdiameterhigherthan10μmiscaughtbythefollowingmisteliminatorinthegasphasespace.Thegaswithliquidcontentbelow0.05g/Nm3willflowfromtheoutletN2,andthepressurecontrolsystemandorificeplateflowmetersetonthegasoutletpipelinearerespectivelyutilizedtocontrolseparatorpressureandtometerthegasflowrate.经过入口弯管分离出的油水混合物下降到分离器底部，经过两级防波板整流后，油中的水滴和水中的油滴在碰撞聚结的作用下变大，由于重力作用使油水分层。油水混合物在分离器内停留一段时间，油水界面上方的油层溢流过油室挡板后，油经过油出口N3流出分离器。油室液位控制器(LC-4001)通过检测油室液面高度来控制油出口管线上调节阀的开启大小，进而控制了油出口的流量。油出口管路上设有流量计计量油的流量。油水界面下方的水层在分离器内停留一段时间后，分离出的水经过出口N4流出分离器。油水界面控制器(LC-4000)通过检测油水界面位置高度来控制水出口调节阀，进而控制了水出口流量。水出口管路设有流量计计量水的流量。Oil-watermixtureseparatedviainletelbowdeclinestothebottomoftheseparator,andafterrectifyingflowbytwogradesofplatewavepreventer,waterdropintheoilandoildropinthewaterareenlargedundercollisionandcoalescenceeffectsandthenlayeredowingtogravitationeffect.Aftertheoil-watermixtureretainsforacertaintimeintheseparator,oillayerabovetheoil-waterinterfaceoverflowsthebaffleoftheoilchamber,andtheflowsoutoftheseparatorthroughtheoiloutletN3.Levelcontrollerintheoilchamber(LC-4001)controlstheregulatingvalveontheoiloutletpipeline,andthuscontrolstheflowrateofoiloutlet.Theoilflowrateismeteredbytheflowmetersetontheoiloutletpipeline.Afterthewaterlayerundertheoil-waterinterfaceretainsforacertaintimeintheseparator,theseparatedwaterflowsoutoftheseparatorthroughthewateroutletN4.Oil-waterinterfacecontroller(LC-4000)controlstheregulatingvalveofwateroutletbymonitoringoil-waterinterfaceheight,andthuscontrolstheflowrateofwateroutlet.Thewaterflowrateismeteredbytheflowmetersetonthewateroutletpipeline.液体中携带的砂经过入口弯管和聚结整流填料作用后，落入容器底部，容器底部设有一个水力冲砂管，当设备内的积砂达到一定程度后打开水力冲砂装置和排砂管，设备底部的积砂被流化后排出分离器。Byinletelbowandcoalescenceandrectifyingstuffing,thesandcarriedbytheliquidfallsintobottomofthecontainer,whereahydraulicsandcleaning-outpipeisset.Thehydraulicsandcleaning-outequipmentandsanddischargepipewillbeopenedwhensandaccumulatedintheequipmentreachesacertaindegree,andtheaccumulatedsandonthebottomoftheequipmentwillbedischargedoutoftheseparatorafterbeingfluidified.分离器主要功能件4.1.3Mainfunctionalpartsoftheseparator1）入口弯管1)Inletelbow主要用于吸收来流的动能，实现气液初步分离。Itmainlyappliestoabsorbkineticenergyoftheingoingfluidandachievethepreliminaryseparationofgasandliquid.2）丝网捕雾器2)Misteliminator主要作用为捕集气体中粒径大于10μm的液滴，以减小气体计量误差。丝网为40-100标准型金属丝网，材质为0Cr18Ni9Ti，丝网捕雾器厚度为150mm。Itsmaineffectistocatchliquiddropinthegaswithdiameterhigherthan10μmandthustoreducegasmeteringerror.Thescreenis0Cr18Ni9Tiand40-100standardtype,andthethicknessofMisteliminatoris150mm.3）油水出口防涡罩3)Anti-vortexcoverofoilandwateroutlet主要功能是防止油水出口产生的涡流，有利于保证油水界面稳定和油水出口流量稳定。Itsmainfunctionistopreventvortexgeneratedatoilandwateroutlettoensurethestabilityofoil-waterinterfaceandoil-wateroutletflowrate.4）水力冲砂管4)Hydraulicsandcleaning-outpipe水力冲砂管是设备底部设置的一根水平直管，直管上开有7对冲砂小管。当设备内积砂需要清理时，按要求从冲砂管入口泵入高压水进行冲砂。倾斜设置的冲砂小管射出水流将容器底部的砂流化并集中到排污口，并从排污口流出，达到清除设备底部积砂的目的。Hydraulicsandcleaning-outpipeisahorizontalstraightpipewith7couplesofsandcleaning-outtubulesetonthebottomoftheequipment.Whentheaccumulatedsandintheequipmentisrequiredtoclean,high-pressurewaterwillbepumpedintotheinletofsandcleaning-outpipetorinsesand.Sandonthebottomofthecontainerwillbefluidifiedbywaterinjectedfromtheslantwisesandcleaning-outtubuleandthenconcentratedtothedrainageport,andthenflowedoutofthedrainageporttoachievethetargetofremovingaccumulatedsandonthebottom.5）安全阀和爆破片5)Safetyvalveandrupturedisc压力过高时保证设备安全。Ensuretheequipmentsafetyatexcessivehighpressure.6）人孔6)Manhole为维修人员提供进入分离器的通道。Itappliestoprovideaccesstotheseparatorformaintenancepersonnel.7）堰板7)Weir将油室和油水分离沉降室分开，提供两个独立的功能腔，油室用于缓冲，油水分离沉降室是主要的分离发生区。Separatetheoilchamberandtheoil-waterseparationsettlementchambertoprovidetwoindependentfunctionchambers.Theoilchamberisusedforsurging,whiletheoil-waterseparationsettlementchamberisthemainseparationarea.气路控制和计量系统4.2Gaslinecontrolandmeteringsystem气路控制和计量系统包括：（1）DANIEL流量计，（2）BARTON三笔记录仪，（3）压力控制阀，（4）执行机构，（5）控制器，（6）出口手动球阀。Gaslinecontrolandmeteringsystemincludes:(1)DANIELflowmeter,(2)BARTONthree-penrecorder,(3)pressureregulatingvalve,(4)actuationmechanism,(5)controller,and(6)outletmanualballvalve.DANIEL高级孔板流量计：天然气产量的计量设备。1)DANIELseniororificeplateflowmeter:meteringequipmentfornaturalgasyield.SerialNo.NameFunction1EqualizervalveEqualizepressureofuppercavityandlowercavityviametalballsealing5SlidevalveIsolateuppercavityandlowercavityandseal,gatevalve,one-waysealing6LowercavitygearSwingorificeplateintooroutofthelowercavity7UppercavitygearSwingorificeplateintooroutoftheuppercavity9CoverplateofuppercavityCoveronthesealgaskettoapplydownwardsealingtosealgasket9ASealgasketEnsuresealingbetweenuppercavitybodyandcoverboard10BBleedervalveDischargepressureintheuppercavity11PressplateboltApplydownwardsealingforcetocoverplateafterscreweddown12PressplateWithoutverticalmovement,applydownwardsealingforcetocoverplatewithhorizontalmovement13GreasefittingThereisacircleofsealinggrooveontheedgeofslidevalveplate,andthesealinggreasecanbeinjectedwhenitisnotesealed.孔板夹系统：Orificeplateclampsystem:孔板支架：通常有两种，一种是橡胶的DS型，安装比较困难；另一种是特弗龙的TS型，安装容易。孔板的安装要注意方向，带有坡口的一面冲下游。Orificeplatebracket:thereareusuallytwokinds.ThefirstoneisrubberDSmodelthatisdifficulttoinstall;theotherisTeflonTSmodelthatiseasytoinstall.Theinstallationdirectionoforificeplateshallbemindedtomakethesidewithgroovefacingtothedownstreamdirection.分离器带压情况下装孔板：Orificeplateinstallationfortheseparatorunderpressure孔板应保存在其特定存储箱中。此时孔板夹在上腔，滑阀和平衡阀关闭。它们应保持清洁，不要挂到铁东西上，如钉子，挂钩等。安装时有锥度一面冲下游。Orificeplateshallbestoredinitsspecialstoragebox.Hereintheorificeplateclampislocatedintheuppercavity,andtheslidevalveandequalizervalvearebothclosed.Theyshallbekeptcleanandnothungontheironthings,suchasnail,pothook,etc.Thesidewithtapershallbefacedtothedownstreamdirectionduringinstallation.孔板流量计已固定，操作时手柄冲着操作者。Theorificeplateflowmeterisfixed,andthehandleshallbefacedtotheoperatorduringoperation.1)换孔板时，一名操作者要站在ESD手动按钮处，远离任何可能发生的危险。1)Duringorificeplatereplacing,anoperatorshallbestoodatthepositionofESDmanualbuttontokeepawayfromanypotentialdanger.2)打开泄压阀放掉上腔压力。2)Openbleedervalvetoreleasetheuppercavitypressure.3)如密封不好，关闭泄压阀，打开平衡阀，多次开关滑动闸板阀或者按所附的润滑步骤注入专用密封脂。密封正常后，关闭滑动闸板阀，平衡阀，重新打开泄压阀释放压力。3)Inthecaseofbadsealing,closebleedervalveandopenequalizervalve,andthenopenandclosetheslidegatevalveforseveraltimesorinjectthespecialsealinggreaseaccordingtotheattachedlubricatingsteps.Afternormalsealing,closetheslidegatevalveandequalizervalve,andopenthebleedervalveagaintoreleasepressure.4)压力全部放掉后，松开压板螺栓，这时不要取走压板。转动上腔齿轮(逆时针)，摇起孔板夹，直至其顶起盖板。千万不要向下摇孔板夹，因为可导致滑动闸板阀失封。4)Aftercompletelyreleaseofpressure,loosepressplateboltsbutdon’ttakeawaythepressplate.Rotategearofuppercavity(counterclockwise)toliftorificeplateclampuntilitheavesthecoverplate.Don’trotatetheorificeplatedownward,oritwillleadtoleakagelossoftheslidegatevalve.5)取走盖板和密封垫。5)Takeawaycoverplateandsealgasket.6)把孔板夹完全摇出来。取出孔板。6)Rotatetheentireorificeplateclampout,andtakeawaytheorificeplate.7)孔板夹内正确安装新孔板，带坡口一端冲下游。7)Correctlyinstalltheneworificeplateintheclampwiththesidewithgroovefacingtothedownstreamdirection.8)正确装入孔板夹，平稳地将孔板夹放到上腔，并与上腔齿轮啮合。8)Correctlyinstallorificeplateclamp,andthenstablyplacetheorificeplateclampintotheuppercavitytomakeitjogglewiththegearofuppercavity.9)用上腔齿轮将孔板夹摇下去(顺时针)直至盖板和密封垫可装上。9)Rotatetheorificeplateclampdownwardbythegearofuppercavity(clockwise)untilthecoverplateandthesealgasketcanbeinstalled.10)检查密封垫，确认其外观良好。10)Inspectthesealgaskettoensureitsgoodappearance.11)装上密封垫，盖板和压板。11)Installsealgasket,coverplateandpressplate.12)用交错排列方式上紧压板螺栓。12)Screwpressplateboltsdowninaninterlacedarrangementway.13)关闭泄压阀。13)Closethebleedervalve.14)打开平衡阀，让上腔充压。14)Openequalizervalvetopressurizetheuppercavity.15)打开滑动闸板阀。15)Openslidegatevalve.16)转动上腔齿轮使其向下走并与下腔齿轮啮合。16)Rotatethegearofuppercavitytomakeitmovedownwardsandjogglewithgearoflowercavity.17)转动下腔齿轮把孔板夹完全放到流量计正常运转位置。17)Rotategearoflowercavitytocompletelyplacetheorificeplateclamptonormaloperationpositionoftheflowmeter.18)关闭滑动闸板阀。18)Closeslidegatevalve.19)关闭平衡阀。19)Closeequalizervalve.20)打开泄压阀放掉上腔压力。20)Openbleedervalvetoreleasetheuppercavitypressure.21)如滑动闸板阀不密封则注入专用密封脂。21)Injectspecialsealinggreaseincaseofbadleakageofslidegatevalve.22)上腔压力放掉后关闭泄压阀。22)Closebleedervalveafterthereleaseofuppercavitypressure.分离器带压时换孔板：Orificeplatereplacementfortheseparatorunderpressure1)确认泄压阀关闭。1)Ensurethebleedervalveisclosed.2)打开平衡阀。2)Openequalizervalve.3)顺时针转动1/4圈打开滑动闸板阀。3)Rotatefor1/4circleclockwisetoopentheslidegatevalve.4)逆时针转动下摇柄，把孔板夹摇到上腔中。4)Rotatethelowerrockinghandlecounterclockwisetolifttheorificeplateclampintotheuppercavity.5)使孔板夹与上腔齿轮轴啮合。5)Maketheorificeplateclampjogglewiththegearofuppercavity.6)转动上腔摇柄，把孔板夹完全摇到上腔中。6)Rotaterockinghandleofuppercavitytomaketheentireorificeplateclampintotheuppercavity.7)孔板夹顶到盖板和密封垫上。7)Maketheorificeplateclampheaveonthecoverplateandsealgasket.8)关闭滑动闸板阀。8)Closeslidegatevalve.9)关闭平衡阀。9)Closeequalizervalve.10)打开泄压阀放掉上腔压力。10)Openbleedervalvetoreleasetheuppercavitypressure.11)如密封不好，关闭泄压阀，打开平衡阀，多次开关滑动闸板阀或者按所附的润滑步骤注入专用密封脂。密封正常后，关闭滑动闸板阀，平衡阀，重新打开泄压阀释放压力。11)Inthecaseofbadsealing,closebleedervalveandopenequalizervalve,andthenopenandclosetheslidegatevalveforseveraltimesorinjectthespecialsealinggreaseaccordingtotheattachedlubricatingsteps.Afternormalsealing,closetheslidegatevalveandequalizervalve,andopenthebleedervalveagaintoreleasepressure.12)压力全部放掉后，松开压板螺栓，这时不要取走压板。转动上腔齿轮(逆时针)，摇起孔板夹，直至其顶起盖板。千万不要向下摇孔板夹，因为可导致滑动闸板阀失封。12)Aftercompletelyreleaseofpressure,loosepressplateboltsbutdon’ttakeawaythepressplate.Rotategearofuppercavity(counterclockwise)toliftorificeplateclampuntilitheavesthecoverplate.Don’trotatetheorificeplatedownward,oritwillleadtoleakagelossoftheslidegatevalve.13)取走盖板和密封垫。13)Takeawaycoverplateandsealgasket.14)把孔板夹完全摇出来。取出孔板。14)Rotatetheentireorificeplateclampout,andtakeawaytheorificeplate.15)孔板夹内正确安装新孔板，带坡口一端冲下游。15)Correctlyinstalltheneworificeplateintheclampwiththesidewithgroovefacingtothedownstreamdirection.16)正确装入孔板夹，平稳地将孔板夹放到上腔，并与上腔齿轮啮合。16)Correctlyinstallorificeplateclamp,andthenstablyplacetheorificeplateclampintotheuppercavitytomakeitjogglewiththegearofuppercavity.17)用上腔齿轮将孔板夹摇下去(顺时针)直至盖板和密封垫可装上。17)Rotatetheorificeplateclampdownwardbythegearofuppercavity(clockwise)untilthecoverplateandthesealgasketcanbeinstalled.18)检查密封垫，确认其外观良好。18)Inspectthesealgaskettoensureitsgoodappearance.19)装上密封垫，盖板和压板。19)Installsealgasket,coverplateandpressplate.20)用交错排列方式上紧压板螺栓。20)Screwpressplateboltsdowninaninterlacedarrangementway.21)关闭泄压阀。21)Closethebleedervalve.22)打开平衡阀，让上腔充压。22)Openequalizervalvetopressurizetheuppercavity.23)打开滑动闸板阀。23)Openslidegatevalve.24)转动上腔齿轮使其向下走并与下腔齿轮啮合。24)Rotatethegearofuppercavitytomakeitmovedownwardsandjogglewithgearoflowercavit