电接点水位计说明书2010.7.6-E

AttainingtheauthenticationcertificateofISO9001InternationalStandardQualityDQSSeries®ElectrodeWaterLevelGaugeOperationManualEnglishChangchunBoilerInstrumentProgram-controllingEquipmentCo.,Ltd.P.R.ChinaTheBriefIntroductionofCorporationThecompany，ChangchunBoilerInstrumentProgram-controllingEquipmentCo.,Ltd.isastockcompanyconstitutedbymainbodyofChangchunBoilerInstrumentGeneralFactory.ThefactorywasbuiltinApril,1980,wastheonlyspecificfactorytoproducetheobservationinstrumentwithwaterlevel(liquidlevel)forthedynamoelectrodeequipment,observationdevicewithobjectlevel,industrialTVobservationsystem,themeasurementdeviceofwater’sflux,theauto-controlledproductsappointedbytheoriginalMechanicElectronIndustrialMinistry.ItisthememberofChinaDynamoelectrodeequipmentAssociation.Itistherecommendedfactorytoproducethemainauxiliaryequipmentofthermalpowerbynationalelectrodepowercompanyelectrodepowerprogrammingdesigninginstitute.Itistheappointedfactorybynational38large-scalethermalpowergroupenterprises.Itisthecognizancecorporationtoproducemetricinstrumentandassistantfittingsofboilerpressurevesselbygovernment.Thecorporationistheadvancedenterprisewithprovincialclass,high&newtechnicalenterpriseofJilinprovince,AAA-classenterpriseofChinaenterprisesimages,AAA-classcreditofbank.ItwontheISO9001internationalqualitiesstandardattestationcertificateinOctober,1997andexchangedISO9001:2000certificatein2001.Thecorporationhasbeenproducingthesupportedproductsforthethermalpowerformorethan20years.Atpresent,theproductshavefivesorts,38kindsand168specifications.Theproductsarethesupportedproductsfornational978large-scale,middle-scaleandsmall-scalefuelelectrodeplantand5large-scale,middle-scaleandsmall-scaleboilermakersinChina.TheproductshasbeenexportedwiththemainframetoninecountriesanddistrictssuchasPakistan,Indonesia,Thailand,Bengal,Iraq,IranandVietnam.Theproductshavegoodreputationinhomeandabroad.Promisesofserviceaftersaleistoenhancebeforesale,midstsale,andaftersaleservice,itiscarriedthroughthewholecourseofproduction’smaking,installing,adjusting,andusingthatproviding24-Hourservice,overtakenserviceandwholecourseservice.Contents1.Application------------------------------------------------------------------12.ModelDescription-------------------------------------------------------------13.StructureandPrinciple-----------------------------------------------------14.TechnicalParameter-------------------------------------------------------35.InstallationandConditioning----------------------------------------------86.Utilization,RepairingandNotes-----------------------------------------177.AccessoriesSupplied-----------------------------------------------------20Appendix--------------------------------------------------------------------21AttachedDrawing1-----------------------------------------------------------22AttachedDrawing2-----------------------------------------------------------23NoticeforOrdering-------------------------------------------------------------24■ElectrodeWaterLevelGauge■ChangchunBoilerInstrumentProgram-.controllingEquipmentCo.,Ltd.P.R.China-1-1.ApplicationDQS□-1.6～32-Y/X（replacedoriginalmodel:DQS-76/152、UDZ）typeelectrodewaterlevelgaugeismainlyusedinmonitoringthewaterlevelofvariousdrumsandmeasurementonhighandlowvoltageheaters,generators,evaporatorsandwatertanksetc.,andithasthefunctionofoutputofwarningnode.2.ModelDescriptionForexample:DQS6-32-19Ytype.3.Structureandprincipal3.1Thewaterlevelgaugeismadeupofmeasuringcylinder,ceramicelectrode,secondaryinstrumentetc.Themodelofsecondarymeter:DQS-76Thecut-offdimensiononthepanel(HeightXwidthmm):152×76、76×152、152×152、205×76Thesizeofsecondarymetermountedonthewall(heightXwidthXdepthmm):264×184×95.Thesecondarymeterabovehasthefunctionofthe4～20mAoutput.Thetypeofelectrode:Theelectrodewithoutscrewthread:DJY2612-115(Thesealwiththewrapgasket)Theelectrodewithoutscrewthread:DJY2212-115(Thesealwiththecoppergasket)Theelectrodewithscrewthread:DJM1615-115，DJM1615-87(Thesealwiththecoppergasket)3.2Theinstrumentsadoptsthecustomarymarksofheatengineering,thatisthedouble-colorbeamcombinedbyredsteamandgreenwaterandtheLED,whichmakesitpossibletoviewthepositionsofthesteamandwater.3.3ThediagramofthestructuralprincipleisshowninFig.1.Y19326DQS电极形式：压入式为Y，旋入式为X测点数量：19个公称压力：32MPa连接形式：焊接为6，法兰为4产品类别：电接点水位计■ElectrodeWaterLevelGauge■ChangchunBoilerInstrumentProgram-.controllingEquipmentCo.,Ltd.P.R.China-2-①measuredvessels②thefield③measuringcylinder④electrode⑤cable⑥blow-downvalve⑦electrodeitycontrollingroom⑧secondaryinstrument⑨displayofthewaterlevel⑩ProtectiveinterlockingoutputFig.1Thestructuralprinciplediagram3.4OperationalprinciplesandFeaturesThiswaterlevelgaugemeasuresaccordingtothedifferentfeaturesoftheconductivityofwaterandsteamintheboiler.Withthechangeofliquidlevel,partoftheelectrodeisdippedintothewater,andpartoftheelectrodeisdippedintothesteam,whiletheelectrodeinthewateroftheboilerhaslessimpedancetothecylinderandtheelectrodeinthesteamoftheboilerhasmoreimpedancetothecylinder.Accordingtothesefeatures,thenon-electrodeitywaterlevelcanbec