DP Flow training.ppt

差压流量产品基础培训 差压流量产品基础培训 1 基础回顾了解流量术语和道具理解差压流量方程式的由来理解差压是如何进行流量测量2 RosemountDPFlowProductOverview了解Rosemount能提供的一次元件了解Rosemount能提供的二次仪表了解Rosemount能提供的连接部件了解Rosemount能提供的一体化流量计 3 HowtocontactwithManilaTeam4 Howtoprovideasatisfiedproposal 差压流量产品基础培训 术语 DPFlow差压流量Fluid流体介质Standardvs ActualConditions标准和实际工况Density密度VolumetricFlow体积流量MassFlow质量流量StandardVolumetricFlow标准体积流量Idealvs RealGasLawforGasandSteamCompressibilityFactor压缩系数Viscosity粘性VelocityProfile速度曲线ReynoldsNumber雷诺数 差压流量 定义 差压流量计是指通过测量流体通过限流元件而形成的差压计算流量 流体 定义 一种物质可以连续变形 并在外力作用下流动 流体类型液体纯净液体 肮脏液体 粘稠液体 浆液气体例如 空气 氮气 天然气蒸汽过热蒸汽 饱和蒸汽 流量计针对三种不同的流体类型具有不同的适用和性能 Actualvs StandardConditions 实际工况流动条件是管道内实际的压力和温度条件标准工况预先设定的压力和温度条件 例如参考或基础工况 Standardsmayvaryfromindustrytoindustry Standardpressureandtemperatureshouldbestatedonspecificationsheet Density密度 r 定义 单位体积流体的质量密度 质量 体积 r 通用单位 lb ft3orkg m3AlsoknownasActualDensityorFlowingDensity rf 液体的压缩可以忽略不计 Standardorbasedensity rb isthedensityatapredefinedreferencepressureandtemperature NOTnormaloperatingpressureandtemperature Standarddensity mass standardvolume 体积流量 Qv 定义 在规定时间内通过测量点的流体体积体积流量 v A 速度 管道横截面积通用单位 ft3 min cfm m3 hr 质量流量 Qm 定义 在规定时间内通过测量点的流体质量 质量流量 v A rf 速度 管道横截面积 密度通用单位 Lbm hr kgm hrDPmetersderivemassflowratethough输入一个设定的流体密度或进行温度和压力补偿 粘度 定义 粘度是衡量一种流体抵抗剪切力和流动的倾向Commonunits poise cm g sec orcentipoise cp Viscosityishighlytemperaturedependent 速度曲线 定义 流体速度从管道的一侧到另一侧的改变状态 Alsoreferredtoasflowprofile Atagivenpoint afluidwillhaveoneofthefollowingthreeprofiles AccuracyStatementsforflowmetersarebasedonthesteadyflowofahomogenous single phasefluidwithaflowprofileidenticaltotheoneatwhichtheaccuracytestingwaspreformed Formostflowmeters thisisturbulentflow 速度曲线 层流 Fluidflowsinsmooth orderedlayerswithlittlemixingacrossthepipe Occurswhenviscousforceshavemoreinfluenceintheflowstreamthandoesthemomentumofthefluid VelocityandDPmetersarenottypicallyusedtomeasureflowinthelaminarregion Coriolismetersareanexcellentchoiceforthisapplication Industrialapplicationsarerarelylaminar 速度曲线 过渡流 层流向紊流转换的标志 具有层流或紊流的特点 或二者的特点都有 流量很难被精确测量 VelocityandDPmetersarenottypicallyusedtomeasureflowinthetransitionregion Coriolismetersareanexcellentchoiceforthisapplication Industrialapplicationsarerarelyintransitionflow VelocityProfile TurbulentFlow Fluidflowsacrossthepipeataconstantvelocity exceptatthewalls duetotheformationofturbulenteddieswithintheflowstream Eddiescausemixingacrossthepipesection Occurswhenthemomentumofthefluidhasmoreinfluenceontheflowstreamthandoviscousforces IdealprofileforDP VelocityandCoriolismeters Industrialapplicationsarealmostalwaysturbulent Definition 流体的惯性力与粘性力的比率Units DimensionlessVelocityprofileisdeterminedbyReynoldsNumber Laminar RD4 000 流体密度V 流速D 管道内径 流体粘度 雷诺数 RD 雷诺数是用来效验流量计是否适用 THEREVOLUTION RosemountDPFlow 差压一次元件的广阔范围 阿牛巴2 to72 50mmto1800mm 孔板2 to30 50mmto750mm 紧凑型孔板 to8 10mmto200mm 85 的差压流量市场所选用的一次元件 一体化孔板 to1 10mmto40mm 1999ARCUnitStudy 罗斯蒙特公司提供的一次元件可以覆盖85 的差压流量市场 Nozzle 4 Venturi 4 V cone 3 Wedge 2 Other 1 孔板 56 平均皮托管 18 一体化孔板 12 SOURCE DSG 1998 孔板 平均皮托管 一体化孔板 85 的一次性元件 Model1195IntegralOrifice1195型一体化孔板 1195型一体化孔板的优点 可以提供预装罗斯蒙特压力变送器提供众多的过程连结和结构材料选择可用于宽广流量范围使用的孔板无需使用移动部件从而使维护更加轻松符合NACEMR01 75 90 标准可提供316不锈钢 哈氏合金或蒙乃尔合金等材料的接液部件 自定心设计 特殊设计确保孔板与管线同心由于工厂校准流量系数与孔板的位置有关 因此孔板与管线同心非常重要例如 3 的偏心就能造成0 25 1 5 的 值误差 MillersFlowHandbook 1195一体化孔板 精确的小管线测量 过程连接选项管线连接方式有螺纹 焊接或法兰 最好的性能专门为高精度小孔流量测量设计 只需最少的安装和维护 减少管径的变化每支管线内表面都经过抛光处理排除内径的测量误差 自定心设计客户的法兰和螺钉构成能确保孔板可靠的定心 从而保证流量的测量精度 降低安装费用直接连接取消了一次元件和电子部件之间连接装置 ModelNumberOutline BodyMaterialS316LSSTHHastelloy C LineSize0051 2Inch Sch40Std Sch80ifNPT DN150101Inch Sch40Std Sch80ifNPT DN2501511 2Inch Sch80Std DN40 ModelNumberOutline ProcessConnectionBody OnlyAssembliesS1SocketWeldBodyT1NPTFemaleThreadedBodyPipedAssembliesA1ANSIClass150RFFlange DefaultdependingonStaticPressure A3ANSIClass300RFFlangeA6ANSIClass600RFFlangeP1NPTThreadedPipeP2PipeendspreparedforweldingD1DINPN16D2DINPN40D3DINPN100P9SpecialProcessConnection ModelNumberOutline PlateMaterialS316 316LSST Default HHastelloyC 276MMonel ModelNumberOutline 1 2InchStandardPlates00100 010inch00140 014inch00200 020inch00340 034inch00660 066inch01090 109inch01600 160inch01960 196inch02600 260inch03400 340inch ModelNumberOutline BoreSize 1InchStandardPlates01500 150inch02500 250inch03450 345inch05000 500inch06300 630inch08000 800inch 11 2InchStandardPlates02950 295inch03760 376inch05120 512inch07480 748inch10221 022inch11841 184inch TransmitterMountingBoltLengthA1 0InchCSGr8Bolts Default B21 4InchCSGr8Bolts Fordirectmount3051 3095 C1 0InchASTMA193GrB8 304SST BoltsD21 4InchASTMA193GrB8 304SST BoltsE1 0InchASTMA193GrB7M NACE BoltsF21 4InchASTMA193GrB7M NACE BoltsG1 0InchCSGr8BoltswithHighTempGasket upto454degC standardtemplimitis232degC Note Forremotemount thisoptionwillnotaffecttheboltlengthbutithavetobechoseninorderforthemodelno tobevalid ModelNumberOutline OptionsTemperatureSensor Calibration AssembletotransmitterTRRemoteThermowellandRTDTXRemoteThermowellandRTD FMExplosion ProofApprovalT9SpecialTemperatureSensorCLDischargeCoefficientverificationCZSpecialCalibrationS4FactoryAssembledtoRosemountDPPressureTransmitter ModelNumberOutline OptionsQualityCodesQBCBoreCalculation providecompletedCDS QS1SpecialTaggingorMarkingQI6OxygenCleaning Inspection ES 1009 QSPCleaningforSpecialProcessesQ21ANSIB31 1ProgramQ23ANSIB31 3ProgramQ28ANSIB31 8 49CFR192ProgramQ29NACEMR 0175QD1CertificateofConformancetoCustomerSpecificationQD2CertificateofConformancetoDieterichProgramQD5InstallationInstructionsQJ1StandardCatalogDrawingsQJ2SpecialCatalogDrawingsQJ331 2in AutoCADRel 13QJ431 2in AutoCADDXFRel 12QJ5E MailDrawing Internet QI7InspectionandPerformanceCertificateQT2DyePenetrantExamination ES 1012 QM8EN10204 3 1BMaterialCertificationQ99SpecialQualityAssurance ModelNumberOutline OptionsOthersGDINtransmitterConnectionERemoteAdapter 316SST CoplanarBracket 2 Pipe Panel SSTBoltsFRemoteAdapter Hast C CoplanarBracket 2 Pipe Panel SSTBolts8Sch80LineSizeXSpecialLength SpecifyDimensions ModelNumberOutline IntegralOrificeTraining 1195S015A3S0512AQBC Model1195Int Orifice BodyMat l316LSST LineSize11 2 ProcessConnectionANSIClass300 RFFlange PlateMat l316SST BoreSize0 512 X mtrMountingBoltLength1 Bolts OfficialRosemountBoreCalculation ProPlateandMassProPlateTraining ProPlateFlowmeter Combinationof1195IntegralOrifice Rosemount305RMManifoldand3051DPTransmitterLowertotalcostofownershipLowcostsolutionfornon criticalflowsDirectmountingeliminatedimpulselinesAccuracy MassFlow 1 1 volumetricflowratefor5 1TD uncalibrated ImprovedDPFlowsystemreliabilityReducespotentialleakpointsMinimizedpluggingandfreezingthroughclose Coupled straightboredesignReducedinstallationcostsIdealFluids Liquids ProPlateFlowmeterStandardDesign Rosemount3051DPTransmitter Model1195IntegralOrifice 3 valveManifold Rosemount305RM Precisionboredupstreamanddownstreampipingsection ProPlate P95ModelMask P95S015T1S0630AD5AAModel 3codes OrificeBodyMaterial 1code LineSize 3codes ProcessConnection 2codes OrificePlateMaterial 1code OrificePlateBoreSize 4codes BodyBolt TransmitterMountingConnection 1code TransmitterConnection 2codes Output 1code TransmitterHousingMaterial 1code Temperature optional 2codes Meters optional 1code Calibration optional 2codes HazardousLocation optional 2codes QualityCodes optional 3codes Options optional 1code TotalcodeswithoutOptions 19 ModelNumberOutline P95AdditionalModelCodesTransmitterConnection D direct R Remote D0Direct nomanifoldD5Direct 3vlvmanifold SSD6Direct 3vlvmanifold Hast CD7Direct 5vlvmanifold SSD8Direct 5vlvmanifold Hast CR5Remote 3vlvmanifold SSR6Remote 3vlvmanifold Hast CR7Remote 5vlvmanifold SSR8Remote 5vlvmanifold Hast C ModelNumberOutline P95AdditionalModelCodesOutputA4 20mAwithdigitalsignalbasedonHART ModelNumberOutline P95AdditionalModelCodesHousingMaterialAEpoxy poly alum1 2 14NPTBEpoxy poly alumCM20CEpoxy poly alumPG13 5DEpoxy poly alumG1 2J316SS1 2 14NPTK316SSCM20L316SSPG13 5 ModelNumberOutline P95AdditionalModelCodesMeters1LCDMeter Rate AluminumHousing2LCDMeter Rate StainlessSteelHousing ModelNumberOutline P95AdditionalModelCodesHazardousLocationCertificatesC6CSAExplosionProof IntrinsicSafetyE5FMExplosionProofEDKEMA CENELECExplosionProofI5FMIntrinsicSafetyIDKEMA CENELECIntrinsicSafetyK5FMExplosionProof IntrinsicSafety MassProPlateFlowmeter Combinationof1195IntegralOrifice Rosemount305RMand3095MVMassFlowTransmitterImprovedPerformanceDynamicallyCompensatedMassFlowMeasurement4measurementsin1device Qm DP P andT Accuracy MassFlow 1 1 massflowratefor8 1TD unclaibrated 0 85 forLiquids 0 95 forGas Steam calibrated ReducedInstalledCostsIdealFluids Gases Steam MassProPlateStandardDesign Rosemount3095MVMultivaribleMassFlowTransmitter Model1195IntegralOrifice 3 valveManifold Rosemount305RM Precisionboredupstreamanddownstreampipingsection RTDTemperatureMeasurement Thermowell MassProPlate M95ModelMask M95S015A1S1022AD5CAModel 3codes OrificeBodyMaterial 1code LineSize 3codes ProcessConnection 2codes OrificePlateMaterial 1code OrificePlateBoreSize 4codes BodyBolt TransmitterMountingConnection 1code TransmitterConnection 2codes SAMEASP95 LinePressureRange 1code Output 1code SAMEASP95 TransmitterHousingMaterial 1code SAMEASP95 Meters optional 1code Calibration optional 2codes HazardousLocation optional 2codes QualityCodes optional 3codes Options optional 1code TotalcodeswithoutOptions 20 ModelNumberOutline M95AdditionalModelCodesLinePressureRange30 8to0 800PSIA 0 55 1to0 5515kPaA 40 36 2to0 3626PSIA 0 250to0 25000kPaA C0 8to0 800PSIG 0 55 1to0 5515kPaG D0 36 2to0 3626PSIG 0 250to0 25000kPaG ModelNumberOutline M95AdditionalModelCodesMeters1LCDMeter RateandTotal ModelNumberOutline M95AdditionalModelCodesHazardousLocationCertificatesAFMExplosionProofBFMExplosionProof IntrinsicSafetyCCSAExplosionProofDCSAExplosionProof IntrinsicSafetyFKEMA CENELECIntrinsicSafetyHKEMA CENELECExplosionProof OrificeBoreCalculationsToolkitprovidesfastandaccuratecalculationoforificeplatebores TwoPlateTypesAvailableUniversalSizeforuseinOrificeFittingsandRing JointPlateHolders andPaddleTypeforuseinOrificeFlanges ImprovedAccuracyasFlowmeterOrificeplateandmetersectionbundledwith3095MVtransmittersprovidesimprovedaccuracyandreliabilityinmassflowmeasurement MeetsIndustryStandardsOrificeboretoleranceinstrictaccordancewithAPI AGA ASMEandISOinsuresproperorientationbetweenpipeflanges CompleteOrificeOfferingDanielsuppliedorificeplate flangeunionsandmetersectioncomplementsRosemount spremierofferingofprocessinstrumentation 1495OrificePlate 1496 7FlangeUnions SectionMostWidelyUsedPrimaryElement Model1495OrificePlate OrificePlateisthemostwidelyusedprimaryelementAvailableaspaddleoruniversaltypeSimpleConstructionEasytouse prove troubleshootLowcostNomovingpartsApprovedforcustodytransferbyAGAandAPI ISO Usedingas liquid steam UniversalType usedwithRTJflangewithplateholder PaddleType usedwithRFflange TypicalOrificePlateModelNumber 1495PC040A3SA02125XX BaseModelOrificePlate Type LineSize FlangeRating PlateMaterial PlateThickness Options BoreDiameter StandardOptionsPlateThicknessCodeTypeA defaultthickness0 125inch 3 2mm CodeTypeB defaultthickness0 25inch 6 4mm BoreSizeIfstandardboresizeisselected aCalculationDataSheetisprovidedatnoadditionalchargeStandardboressizesin1 8 incrementsfrom1 2 to4 in1 4 incrementsfrom4 1 4 to6 Model1496FlangeUnion WideofferingtomeethighpressuresandtemperaturesuptoANSIClass2500 Noon sitedrillingofflangetapsrequiredCompleteassemblyprovidedwithallhardwarerequiredincludingstuds nuts jackscrews gasketsandpipeplugs MountingMethod RaisedFaceWeldNeck WN ForusewithpaddletypeorificeplatesRaisedFaceSlipon SO 300 ratingmaxForusewithpaddletypeorificeplatesRaisedFaceThreaded TH ForusewithpaddletypeorificeplatesRingTypeJointWeldNeck RJ Forusewithuniversaltypeorificeplateswithplateholder TypicalFlangeUnionModelNumber 1496WN040A3LSS Note Model1495Orificeplateneedstobeorderedseparately Model1497FlangeUnionMeterSection Meetsrequiredupstream downstreampipingstandardsprovidedwithflangeunionTypicallyusedincustodytransferandcriticalmeasurementsAvailableasfullyassembled MeteringSolution withEngineeredAssemblyTeam TypicalMeterSectionModelNumber 1497WN040A3CFFXX BaseModelMeterSection Type LineSize FlangeRating MeterSectionMaterial TapLocation PipeConnection Options StandardOptionsTapLocationFlangetapstandard 405P紧凑型孔板 405P利用边角取压设计符合ASME ISO标准 边角取压的性能 流量系数的不确定性 与法兰式取压相同 压力测量点在管壁之间的孔板边角处 405P边角取压 在欧洲通用于所有尺寸的管线 包括小于2 50mm 的管线 对于一体化孔板的标准设计 直接安装连接 1 25mm 孔板厚度 自定心机构改善性能 法兰螺栓之间放置的中心环确保405P孔板的同心度在1 32 75mm 之内 一体化中心环 405Pproductoffering 1 2 1 11 2 2 3 4 6linesizescover67 ofIndustrialFlowMarket2Betasperlinesize0 4 0 65Standardizedbetasenable Transmitter 0 leadtimes EasyOrdering 3051SFCFlowmeterStandardOfferingforInlineApplications Combines405Pand3051Sintegrally Directmountingeliminatesleakpoints reducespotentialforfreezing andreducesinstallationtime 一次元件由单一铸件构成 1 thickwaferbodyallowsinstallationbetweenexistingRFflanges Alignmentringassurescenteringinpipe Discretebetaofferingreducesinventorylevelsandallowsquickordering delivery AveragingOrificePlateFlowmeterReducesCostofDPInstallations 轻松安装1 25mm thickwaferbodyallowsinstallationbetweenexistingraised facedflanges 易于定购Discretebetaofferingallowssimplifiedorderingandquickdelivery LowestTotalInstalledCostSinglecastpartintegratesmanifold connectionhardwareandprimarytoreduceengineering procurementandinstallationcost 取消引压管Directmountingeliminatesleakpoints reducespluggingpotentialandrequiresminimalinstallationtime 一体化自定心技术Insuresproperorientationbetweenexistingpipeflanges 调整型孔板介绍 405C 1595 New 在短管段中的使用 典型的过程管线是由肘弯 扩径 缩径 阀门等组成 这些都会影响流体的流线分布 当在这些形式下进行流量测量时 对直管段的要求就很难实现 调整型孔板的使用 2D 2D 传统孔板61倍直径精度 1 0 调整型孔板4倍直径精度 0 7 提高30 的精度 节省85 的直管段 调整型孔板 在短管段中使用 Concept MeasurementofDPacrossa FlowStraightener 上游只需2倍直径就可以保证精度规格 不受干扰影响Model405C管线 2 to8 50to200mm Model1595管线 2 to24 50to600mm 优点 较少的直管段要求适用于气体或产生颗粒的流体8 1量程比 405P调整型孔板本体厚度 1 不同的应用场合都显示在流量测量中拥有非常好的精度和可靠性测试管线2 和4 测试的 值0 4和0 6流体干扰测试 单弯 双弯 扩径 缩径 蝶阀和漩涡发生器 漩涡发生器 各种干扰对精度的影响小于0 5 Rosemount提供的差压流量产品调整型孔板在短管段中的应用 标准孔板与调整型孔板在空气和水的测试比较 Testsconductedwithaswirlgeneratorinstalled2DupstreamofOrificeplates ConditioningOrificePlate减少差压安装费用 易于安装1 25mm 厚的本体可以直接安装在现有法兰之间 易于订货确定的 值易于订货并可提供快速交货 最低的总安装费用单一的一体化铸件 连接件和一次元件减少了工程量 从而降低安装费用 取消引压管直接安装减少潜在的泄漏点和堵塞点 并且只需最少的安装时间 自定心技术在管线法兰之间确定