质量流量计介绍

ABBAutomation科氏力质量流量计介绍ABBAutomation质量流量计是基于科氏力原理进行测量GaspardGustavdeCoriolis1792-1843法国物理学家和工程师ABBAutomationFcFcFcFcFcFcFcFc什么是科氏力Fc=科氏力m=质量v=质量流速=角速度Fc=-2m(xv)Movementofthetubesinward,noflowrateMovementofthetubesoutward,noflowrateDirectionoftheCoriolisforceswithflowrateandmovementofthetubesinward,DirectionoftheCoriolisforceswithflowrateandmovementofthetubesoutward,ABBAutomationIfapersonwerestandingatthecenterofamerry-goroundandtriedtowalkinastraightlinetowardtheedge,heorshewouldhavetoleansidewaysagainsttheCoriolisforcetostayonline.TheCoriolisforce,Fc,canbecalculatedusingthemassoftheperson´sbody,M,thevelocityoftravel,V,towardtheedge,andtheangularvelocityofthemerry-go-round,.Fc=-2m(xv)科氏力原理ABBAutomationTRIO-MASS质量流量计剖面图–结构简单–消除管道振动的影响–消除管道应力的影响二根并行的测量管与分流器连接刚性、厚重的外壳支撑结构驱动线圈高耐用性，可适用于各种恶劣的应用环境优化检测线圈的安装位置，使信号振幅加大ABBAutomation第三个检测线圈的作用•减少零点的飘移量•用于监测不规则的相位变化–Anunbalancedphaseshiftcanoccuriftheprimarysendoutvibrations(e.g.airinthemedium).Itwillbedampedandreflectedtothesensorwithanadditivephaseshift.Thevibrationarecausedbytheprimaryandhavethesamefrequencyastheprimaryoscillation.Thereforeitcan´tbeeliminatedbyfilteringandseemslikeanZeroPointOffset.•第三个检测线圈用于测量线圈C/A,C/B,A/B之间的相位变化FlowdirectionSensorCoilASensorCoilBSensorCoilCDriverCoilDPT100ABBAutomation口径量程[kg/min][t/h]„B“DN6/3/8“1)0to130to0,8„C“DN10/3/8“0to250to1,5„D“DN15/1/2“0to600to3,6„E“DN20/3/4“0to1000to6„F“DN25/1“0to1600to9,6„G“DN40/11/2“0to4700to28„H“DN50/2“0to9200to55„I“DN65/21/2“0to18900to113„J“DN80/3“0to24600to148„K“DN100/4“0to41600to250„L“DN150/6“0to110000to660–工艺连接FlangesDINANSI,Tri-Clamp,FoodIndustryFittingDIN11851–接液材质WettedpartsinCrNi1.4571/316TiorHastelloyC4–外壳材料CrNi1.4301/304–工艺温度-50°Cto180°C–环境温度-25°Cto60°C1)[inpreparation]TRIO-MASS一体和分体质量流量计带DSP信号转换器ABBAutomationTRIO-MASS一体和分体质量流量计带DSP信号转换器•精度质量流量±0,40%ofrate/±0,01%ofQmax±0,25%ofrate/±0,02%ofQmax±0,15%ofrate/±0,02%ofQmax密度±0,005kg/l(correspond0,5%/5g/l)±0,001kg/l(correspond0,1%/1g/l)±0,0005kg/l(Field-Density-Equalize/0,5g/l)体积流量±0,20%ofrate/±0,01%v.Qnenn(withField-Density-Equalize)•重复性质量流量±0,1%ofrate密度±0,0001kg/l(correspond0,01%/0,1g/l)体积流量±0,11%ofrateABBAutomationTRIO-MASSDSP信号转换器模拟量输出Currentoutput10/4-20mA,aktiveCurrentoutput24-20mA,passive脉冲输出activeorpassivegalvanicallyisolatedformCurrentOutput1and2fmax5kHz0,001bis1000perselectedengineeringunitpulsewidth0,1to2000ms节点输出SystemMonitor,EmptyPipeForward/ReverseDirection,Max-MinAlarm节点输入Ext.ZeroReturn,Ext.TotalizerResetABBAutomation•数据输入通过三个组态按键通过磁棒输入显示显示模块可按90°旋转转换器表头旋转角度超过330°TRIO-MASSDSP信号转换器ABBAutomationTRIO-MASSMC2插拔式FRAM标定数据和所有的用户的组态信息，均存入插拔式FRAM中优越性：•维护时间大大减少•所有的组态信息均能自动的传输•每次组态数据的调整，均备保存在二个存储单元中，提高数据的安全性ABBAutomationTheEx-protectionkindofoutputcircuits„ib“or„e“isfreeeligibleandwillbedefinedbytheconnectoutputcurrentcircuitTRIOMASSMC27质量流量计EExibEExeABBAutomation科氏力质量流量计在各种行业的应用BranchofindustryMediumWater&Wastewaterindustrypetrochemicalrawproducts,petrolPetrochemistryChemistrydiionizedwater,oil,grease,fruitjuiceFood&BeverageindustryPaperindustryPharmaceuticalindustryacids,solvents,sludgewateradditives,aircontentinwhitewaterdiionizedwater,chemicals,cosmeticsfueloillimemilk,flocculentsPowerplantsABBAutomationTRIO-MASSDSPMC2装配和安装ABBAutomationTRIO-MASS装配和安装–TRIO-MASScanbeinstalledverticalorhorizontal–theprimaryistobeinstalledinarigidpipeline–incaseofstrongpipelinevibrations,useelasticpipelineelements–supportsshouldbeinstalledup-anddownstreamofthemeter,(weightandinfluenceofgas)–ifpossibleshut-offvalvesshouldbeinstalledup-anddownstream,(forzeroadjustments)–primaryshouldnotbeinstalledinthevicinityofstrongelectromagneticfields,(motors,transformers)–fittingsvalves,gatesandsigthglassesshouldnotcavitate,TRIO-MASSdoesnotrequireanyflowconditioning–primaryshouldnotcomeincontactwithanyotherelementsABBAutomation–multipleflowmeterprimariesinthesamepipelineorinstalledininterconnectedpipelinesshouldbelocatedfarfromoneanother,or,thepipelinemustbeecoupledtopreventcrosstalk–attheoutletabackpressureofatleast0.2barmustexist–theprimaryshouldneverbeinstalledatthehighestpointinthesystem–longdroplinesdownstreamfromtheflowmeterprimaryshouldbeavoided–forfluidswithgascontentaverticalinstallationisrecommended–zeroadjustmentsunderoperationconditions(completelyfilledmeter,gas,operatingtemperature)TRIO-MASS装配和安装ABBAutomationexampleforsize„L“DN150TRIO-MASS装配和安装ABBAutomationTRIO-MASSAssemblyandInstallationsupportandelasticpipelineelementsexampleforsize„L“DN150ABBAutomationTRIO-MASS装配和安装推荐安装方式theoptimalinstallationorientationisaverticalinstallation,withanupwardflowabypasslineisoptimalwhentheprocesscannotbeshutdownABBAutomationTRIO-MASSAssemblyandInstallationHorizontalInstallationsselfdraininghorizontalinstallations,at2°-4°ABBAutomationTRIO-MASSAssemblyandInstallationVerticalInstallationstheinstallationrecommendationisonlypossible,ifapipelinereductionororificewithasmallercross-sectioncanbeinstalledtopreventtheflowmeterprimaryfromdrainingduringthemeasurementsABBAutomationTRIO-MASSAssemblyandInstallationDifficultInstallationLocationsinstallationsatthehighestpointinthesystem