EN 14789:2017
(Main)Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism
Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism
This European Standard specifies the standard reference method (SRM) based on the paramagnetic principle for the determination of the oxygen concentrations in flue gases emitted to the atmosphere from ducts and stacks. It includes the sampling and the gas conditioning system as well as the analyser.
This European Standard specifies the performance characteristics to be determined and the performance criteria to be fulfilled by measuring systems based on this measurement method. It applies to periodic monitoring and the calibration or control of automated measuring systems (AMS) permanently installed on a stack, for regulatory or other purposes.
This European Standard specifies criteria for demonstration of equivalence of an alternative method (AM) to the SRM by application of prEN 14793.
This European Standard has been validated during field tests on waste incineration, co-incineration and large combustion plants and on a recognized test bench. It has been validated for sampling periods of 30 min in the range from 3 % to 21 %. Oxygen concentration values, expressed as volume concentrations, are used to allow results of emission measurements to be standardised to the oxygen reference concentration and dry gas conditions required e.g. by EU Directive 2010/75/EC on industrial emissions.
NOTE The characteristics of installations, the conditions during field tests and the values of repeatability and reproducibility in the field are given in Annex A.
Emissionen aus stationären Quellen - Bestimmung der Volumenkonzentration von Sauerstoff - Standardreferenzverfahren: Paramagnetismus
Emissions de sources fixes - Détermination de la concentration volumique en oxygène - Méthode de référence normalisée: Paramagnétisme
La présente Norme européenne spécifie la méthode de référence normalisée (SRM) basée sur le principe du paramagnétisme pour la détermination des concentrations en oxygène des effluents gazeux émis dans l'atmosphère par les conduits et cheminées. Elle inclut le système de prélèvement et de conditionnement du gaz ainsi que l'analyseur.
La présente Norme européenne spécifie les caractéristiques de performance devant être déterminées et les critères de performance devant être remplis par les systèmes de mesurage fondés sur cette méthode de mesurage. Elle s'applique à la surveillance périodique et à l'étalonnage ou au contrôle des systèmes de mesurage automatisés (AMS, Automated Measuring Systems) installés à demeure sur une cheminée, à des fins réglementaires ou à d'autres fins.
La présente Norme européenne spécifie les critères permettant de démontrer l'équivalence d'une méthode « alternative » (AM, Alternative Method) à la méthode de référence normalisée par l'application du prEN 14793.
La présente Norme européenne a été validée au cours d'essais sur site pratiqués sur des installations destinées à l'incinération et à la coincinération des déchets, sur de grandes installations de combustion ainsi que sur un banc d'essai reconnu. Elle a été validée pour des périodes de prélèvement de 30 min dans la plage comprise entre 3 % et 21 %. Les valeurs de concentration en oxygène, exprimées en concentrations volumiques, sont utilisées afin d'exprimer les résultats des mesurages d'émission aux conditions de concentration en oxygène de référence et aux conditions de gaz sec requises, par exemple, par la Directive UE 2010/75/CE relative aux émissions industrielles.
NOTE Les caractéristiques des installations, les conditions des essais sur site et les valeurs de répétabilité et de reproductibilité sur site sont indiquées à l'Annexe A.
Emisije nepremičnih virov - Določevanje volumske koncentracije kisika - Standardna referenčna metoda: paramagnetizem
Ta evropski standard določa standardno referenčno metodo (SRM) na podlagi paramagnetnosti za določanje koncentracij kisika v dimnih plinih, ki prehajajo v ozračje iz vodov in odvodnikov. Vključuje sistem za vzorčenje in kondicioniranje plinov ter tudi analizator.
Ta evropski standard določa lastnosti zmogljivosti in merila zmogljivosti, ki jih morajo izpolnjevati merilni sistemi na podlagi te merilne metode. Uporablja se za redno spremljanje in kalibracijo ali nadzor avtomatskih merilnih sistemov (AMS), ki so trajno nameščeni na odvodnik, in sicer za zakonske ter druge namene.
Ta evropski standard določa merila za prikaz enakovrednosti alternativne metode (AM) standardni referenčni metodi z uporabo standarda prEN 14793.
Ta evropski standard je bil potrjen med preskusi sežiganja odpadkov, sosežiga in velikih kurilnih naprav na terenu ter na ustrezni preskusni mizi. Potrjen je bil za 30-minutna obdobja vzorčenja v razponu od 3 % do 21 %. Vrednosti koncentracije kisika, izražene kot prostorninska koncentracija, se uporabljajo za standardizacijo rezultatov meritve emisij z referenčno koncentracijo kisika in pogoji suhega plina, kot zahteva npr. Direktiva EU 2010/75/ES o industrijskih emisijah.
OPOMBA: Lastnosti naprav, pogoji med preskusi na terenu ter vrednosti ponovljivosti in reprodukcije na terenu so podani v dodatku A.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Emissionen aus stationären Quellen - Bestimmung der Volumenkonzentration von Sauerstoff - Standardreferenzverfahren: ParamagnetismusEmissions de sources fixes - Détermination de la concentration volumique en oxygène - Méthode de référence normalisée: ParamagnétismeStationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism13.040.40Stationary source emissionsICS:Ta slovenski standard je istoveten z:EN 14789:2017SIST EN 14789:2017en,fr,de01-marec-2017SIST EN 14789:2017SLOVENSKI
STANDARDSIST EN 14789:20051DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14789
January
t r s y ICS
s uä r v rä v r Supersedes EN
s v y z {ã t r r wEnglish Version
Stationary source emissions æ Determination of volume concentration of oxygen æ Standard reference methodã Paramagnetism Emissions de sources fixes æ Détermination de la concentration volumique en oxygène æ Méthode de référence normaliséeã Paramagnétisme
Emissionen aus stationären Quellen æ Bestimmung der Volumenkonzentration von Sauerstoff æ Standardreferenzverfahrenã Paramagnetismus This European Standard was approved by CEN on
t x September
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
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Avenue Marnix 17,
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t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s v y z {ã t r s y ESIST EN 14789:2017
European foreword . 4 1 Scope . 5 2 Normative references . 5 3 Terms and definitions . 6 4 Symbols and abbreviations . 12 4.1 Symbols. 12 4.2 Abbreviated terms . 13 5 Principle . 13 5.1 General . 13 5.2 Measuring principle . 13 6 Description of the measuring system . 13 6.1 General . 13 6.2 Sampling and sample gas conditioning system . 14 6.2.1 Sampling probe . 14 6.2.2 Filter . 14 6.2.3 Sample gas line . 14 6.2.4 Sample gas cooler or permeation drier . 15 6.2.5 Sample gas pump . 15 6.2.6 Secondary filter . 15 6.2.7 Flow controller and flow meter . 15 6.3 Different variants of the paramagnetism principle . 15 7 Performance characteristics of the SRM . 16 8 Suitability of the measuring system for the measurement task . 17 9 Field operation. 18 9.1 Measurement planning . 18 9.2 Sampling strategy . 18 9.2.1 General . 18 9.2.2 Measurement section and measurement plane . 18 9.2.3 Minimum number and location of measurement points . 18 9.2.4 Measurement ports and working platform . 18 9.3 Choice of the measuring system . 18 9.4 Setting of the measuring system on site . 19 9.4.1 General . 19 9.4.2 Preliminary zero and span check and adjustments . 19 9.4.3 Zero and span checks after measurement . 20 10 Ongoing quality control . 21 10.1 General . 21 10.2 Frequency of checks . 21 11 Expression of results . 21 12 Equivalence of an alternative method . 21 SIST EN 14789:2017
Validation of the method in the field . 23 A.1 General . 23 A.2 Characteristics of installations . 23 A.3 Repeatability and reproducibility in the field . 24 A.3.1 General . 24 A.3.2 Repeatability . 25 A.3.3 Reproducibility . 26 Annex B (informative)
Example of assessment of compliance of paramagnetic method for oxygen with given uncertainty requirements . 27 B.1 General . 27 B.2 Elements required for the uncertainty determinations . 27 B.2.1 Model equation . 27 B.2.2 Combined uncertainty . 28 B.2.3 Expanded uncertainty . 28 B.2.4 Determination of uncertainty contributions in case of rectangular distributions . 29 B.2.5 Determination of uncertainty contributions by use of sensitivity coefficients . 29 B.3 Example of an uncertainty calculation. 30 B.3.1 Site specific conditions . 30 B.3.2 Performance characteristics . 30 B.3.3 Determination of the uncertainty contributions . 31 B.3.4 Results of uncertainty calculation . 34 B.3.4.1 Standard uncertainties . 34 B.3.4.2 Combined uncertainty . 35 B.3.4.3 Expanded uncertainty . 36 B.3.4.4 Evaluation of the compliance with the required measurement quality . 36 Annex C (informative)
Schematic diagram of the measuring system . 37 Annex D (informative)
Example of correction of data from drift effect . 38 Annex E (informative)
Significant technical changes . 40 Bibliography . 41
This European Standard specifies the performance characteristics to be determined and the performance criteria t
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