DIN EN 14790-2006 固定源排放.管道中水蒸气含量测定

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【英文标准名称】:Stationarysourceemissions-Determinationofthewatervapourinducts;EnglishversionofDINEN14790:2006-04
【原文标准名称】:固定源排放.管道中水蒸气含量测定
【标准号】:DINEN14790-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:气体吸附器;空气污染;空气净化;空气质量;烟囱;浓缩;定义;管道;排放;排气管路;现场试验;烟囟灰;废气出口;气体燃料;焚烧(废弃物);测量;测量技术;潮气;监控;额定值;基准方法;参照法;垃圾焚烧;固定的;蒸汽;监督(认可);温度;含水量;水蒸气含量
【英文主题词】:Absorbers;Airpollution;Airpurification;Airquality;Chimneys;Concentration;Definition;Definitions;Ducts;Emissions;Exhaustgaslines;Fieldtest;Flueducts;Fluegasoutlets;Fluegases;Incineration(waste);Measurement;Measuringtechniques;Moisture;Monitoring;Ratings;Referencemethods;Refuseincineration;Refuseincinerations;Stationary;Steam;Surveillance(approval);Temperature;Watercontent;Watervapourcontent
【摘要】:ThisEuropeanStandarddescribesthecondensation/adsorptiontechnique,includingthesamplingsystem,todeterminethewatervapourconcentrationinthefluegasesemittingtoatmospherefromductsandstacks.ThistechniqueisusuallyusedalloverEuropeforwatervapourmonitoring.HowevertobeimplementedastheStandardReferenceMethod(SRM),theuserhastodemonstratethattheperformancecharacteristicsofthemethodarebetterthantheperformancecriteriadefinedinthisEuropeanStandardandthattheoveralluncertaintyofthemethodislessthan+_20%ofthemeasuredvalue.ThisEuropeanStandardastheStandardReferenceMethod(SRM)isusedforperiodicmonitoringandforcalibrationorcontrolofAutomaticMeasuringSystems(AMS)permanentlyinstalledonastack,forregulatorypurposesorotherpurposes.AnAlternativeMethodtothisSRMmaybeusedprovidedthattheusercandemonstrateequivalenceaccordingtotheTechnicalSpecificationCEN/TS14793,tothesatisfactionofhisnationalaccreditationbodyorlaw.Thedeterminationofwatervapourismainlynecessaryfor:--regulatorypurposes,toexpresstheconcentrationatstandardconditions(ondrygas);--adjusttheflowrateforisokineticsampling,whenadrygasflowratemeteringdeviceisused.Forbothapplications,thequantitytobemeasuredistheamountofwaterpresentinthegasphase(vapour),whichdoesnotincludewaterdroplets.ThisEuropeanStandardisapplicableintherangefrom4%to40%relativehumidityandforwatervapourconcentrationfrom29g/m3to250g/m3asawetgas,althoughforagiventemperaturetheupperlimitofthemethodisrelatedtothemaximumpressureofwaterinairorinthegas.ThisEuropeanStandardhasbeenevaluatedduringfieldtestsonwasteincineration,co-incinerationandlargecombustioninstallations.Ithasbeenvalidatedforsamplingperiodsof30minintheconcentrationrangeof7%to26%volume.InthisEuropeanStandardalltheconcentrationsareexpressedinnormalconditions(273Kand101,3kPa).NOTEForsaturatedconditionsthecondensation/adsorptionmethodisnotapplicable.SomeguidanceisgiveninthisEuropeanStandardtodealwithfluegaswhendropletsarepresent.
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:44P.;A4
【正文语种】:英语