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本文(BS EN ISO 16170-2016 In situ test methods for high efficiency filter systems in industrial facilities《工业设施使用高效过滤系统的现场试验方法》.pdf)为本站会员(孙刚)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN ISO 16170-2016 In situ test methods for high efficiency filter systems in industrial facilities《工业设施使用高效过滤系统的现场试验方法》.pdf

1、BS EN ISO 16170:2016In situ test methods for highefficiency filter systemsin industrial facilities (ISO16170:2016)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN ISO 16170:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of E

2、N ISO16170:2016.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/21, Filters for gases and liquids.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions

3、of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016. Published by BSI StandardsLimited 2016ISBN 978 0 580 75741 9ICS 91.140.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under

4、the authority of theStandards Policy and Strategy Committee on 31 August 2016.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 16170 July 2016 ICS 91.140.30 English Version In situ test methods for high efficiency filter systems in industr

5、ial facilities (ISO 16170:2016) Mthodes dessai in situ pour les systmes filtrants trs haute efficacit dans les installations industrielles (ISO 16170:2016) Verfahren zur Prfung von Luftfiltersystemen mit sehr hohen Wirkungsgraden im eingebauten Zustand (ISO 16170:2016) This European Standard was app

6、roved by CEN on 5 May 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national st

7、andards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and

8、 notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungar

9、y, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELE

10、C Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 16170:2016 EBS EN ISO 16170:2016EN ISO 16170:2016 (E) 3 European foreword This document (EN ISO 16170:2016) has been pr

11、epared by Technical Committee ISO/TC 142 “Cleaning equipment for air and other gases” in collaboration with Technical Committee CEN/TC 195 “Air filters for general air cleaning” the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either b

12、y publication of an identical text or by endorsement, at the latest by January 2017, and conflicting national standards shall be withdrawn at the latest by January 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or C

13、ENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Rep

14、ublic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. End

15、orsement notice The text of ISO 16170:2016 has been approved by CEN as EN ISO 16170:2016 without any modification. BS EN ISO 16170:2016ISO 16170:2016(E)Foreword ivIntroduction v1 Scope . 12 Normative references 23 Terms and definitions . 24 Principle of the method . 45 Prerequisites 65.1 Filter init

16、ial characterization 65.2 Preparatory conditions 65.2.1 General 65.2.2 Choice of injection and sampling locations. 75.2.3 Conditions for the ventilation systems on which the test is performed 75.2.4 Climatic conditions in the rooms where the injection/sampling is performed 75.2.5 Apparatus selection

17、 and preparation 85.2.6 Qualification of the test personnel 105.2.7 Health and safety 105.2.8 Test conditions116 Test sequence 116.1 Evaluation of filtration system under test 116.2 Preparation of test equipment . 126.3 Preparation of log sheets 126.4 Monitoring of climatic conditions . 126.5 Aeroso

18、l generation setup 126.6 Sampling equipment setup 126.7 Monitoring of upstream challenge 126.8 Monitoring of downstream . 136.9 Test performance . 136.10 Calculations . 137 Evaluation and report 14Annex A (informative) Aerosol candidates for in situ testing 16Annex B (normative) Integrity testing Ty

19、pical methodology using dispersed oil test aerosols 17Annex C (normative) Efficiency accountancy testing Uranine test method 26Annex D (informative) Leakage test methods 33Annex E (informative) Guideline for representative sampling 34Bibliography .36 ISO 2016 All rights reserved iiiContents PageBS E

20、N ISO 16170:2016ISO 16170:2016(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body inter

21、ested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical

22、 Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO docume

23、nts should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible

24、 for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for th

25、e convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Fo

26、reword - Supplementary information.The committee responsible for this document is ISO/TC 142, Cleaning equipment for air and other gases.iv ISO 2016 All rights reservedBS EN ISO 16170:2016ISO 16170:2016(E)IntroductionMethods for measuring the performance of high efficiency gas cleaning devices are d

27、escribed in a number of existing standards. These specify procedures for quality assurance following manufacture (e.g. ISO 29463 and EN 1822).Some other standards specify the filter medium used in such devices, how they are constructed and how they are installed within industrial facilities.Installa

28、tions of high efficiency particulate filters are extensively used within nuclear and toxic material processing plants and laboratories to confine these materials within the facility and prevent their discharge to the environment.Radioactive and other toxic materials are confined within processing fa

29、cilities inside containment zones bordered by barriers. Air and gases vented from these zones are decontaminated by passage through a series of highly efficient particulate filters before final discharge to the environment. The membrane (filter medium) of the filters acts as part of the containment

30、barrier. In view of its perceived fragility, confirmation of its integrity is required on a periodic basis because operational safety cases depend on the knowledge that the effectiveness of these filters is maintained at all times. These periodic checks are made by the procedure(s) known as “in-situ

31、” or “in-place” testing.The basic principles of in situ tests on installed filters are the same as for laboratory tests, such as those described in EN 1822 and ISO 29463, insofar as known quantities of a challenge aerosol are dispersed into the airstream upstream of the filter installation; the part

32、iculate contents of the unfiltered and filtered air are sampled and analysed to determine whether the integrity of the filters has been compromised.In the case of testing a single unit (manufacturers production test or in the case of a laboratory testing on a single filter unit), the purpose is to c

33、onfirm that the unit performance efficiency/penetration at Most Penetrating Particle Size (MPPS) and other parameters lies within specified limits, and further, that the results are globally reproducible. To achieve this requires the use of a laboratory test rig setup with full dispersion of a chall

34、enge aerosol, prescribed geometry of the test rig, and to obtain and analyse fully representative particulate samples both upstream and downstream of the test filter. Some ventilation systems are highly complex and it should be noted that many facilities use ventilation systems in which a high perce

35、ntage of the air is recirculated.The purpose of an in situ test is to detect any adverse change in the filtration performance of the installation and to compare it with the expected efficiency or decontamination factor. Such a change might be caused by deterioration of a unit or units or a faulty se

36、aling system and would be manifested by the appearance of a proportion of unfiltered aerosol in the effluent airstream. Testing methodologies developed in this International Standard do not cover the other requirements that relate to filters in terms of mechanical resistance, burst strength or tempe

37、rature and moisture resistance.It is neither fully necessary nor useful for the results of an in situ test to replicate the results of production tests on the individual filters in the installation, nor is it necessary to confine the test aerosol size distribution to one which replicates that used i

38、n production tests.No International Standard for general in situ testing of high efficiency filters has been produced before, explaining the needs for such an International Standard.This International Standard describes the requirements for test equipment, data interpretation and reporting for the i

39、n situ testing of HEPA and ULPA air cleaning installations designed for the removal of airborne particulate contamination in high-integrity ventilation systems.This International Standard includes specification of the test interval, aerosol type, aerosol mixing and measurement methods, i.e. the foll

40、owing: aerosol: solid or liquid, monodisperse or polydisperse; mixing: degree of mixing, mixing lengths, etc.; ISO 2016 All rights reserved vBS EN ISO 16170:2016ISO 16170:2016(E) method: injection, detection.This International Standard proposes an outline testing philosophy to highlight the followin

41、g: principle of the method; prerequisites; preparatory conditions; injected aerosol properties; qualification and selection of measuring devices; qualification of test personnel; test setup; test sequence; evaluation and reporting.vi ISO 2016 All rights reservedBS EN ISO 16170:2016INTERNATIONAL STAN

42、DARD ISO 16170:2016(E)In situ test methods for high efficiency filter systems in industrial facilities1 ScopeThis International Standard specifies in situ test methods for high efficiency particulate air filters used to limit releases towards the environment (e.g. from nuclear facilities or faciliti

43、es with aerosol toxic or biological releases). This applies where installations of these filters are used to clean effluent air before discharge to the environment from industrial (including nuclear) installations where toxic/radioactive/biological materials are handled or processed.This Internation

44、al Standard excludes the application already covered by ISO 14644-3.The scope of this International Standard includes detail of two methods, either of which applies to the periodic testing of high efficiency filters which are used in demanding applications aiming at protecting the environment, such

45、as the nuclear industry.In the case of nuclear applications, this International Standard is applicable to installations covered by ISO 17873 (applications other than nuclear reactors) and ISO 26802 (nuclear reactors).The two reference methods specified in this International Standard are not equivale

46、nt, but related to, the requirements to be addressed by the test results. The choice of which of the two methods is adopted in any specific case depends on whether the outcome requires an integrity test or a statutory efficiency accountancy test.For industries handling or processing radioactive or t

47、oxic materials giving rise to a risk of possible release, the main goal of the tests is to confirm that the filter installation is fit for purpose. In the case of integrity tests (Annex B), this is to confirm that no significant leakage of toxic aerosols through the filter installation is possible.I

48、n the case of efficiency accountancy tests (Annex C), the test is designed to make an accurate measurement of decontamination factor with respect to the MPPS size range of particles.The reference method described in Annex B (integrity test) requires a test aerosol of dispersed oil particles mainly s

49、ubmicrometre in size range, which is stable during the test procedure and compatible with other installation components. Particle concentrations are measured in real time by light scattering instrumentation (optical detectors).The reference method described in Annex C (efficiency accountancy test) requires a test aerosol of particles having a narrow size range centred on MPPS size range for HEPA filter media. Their concentration both upstream and downstream the filters is measured by fluorimetric analysis of aqueous solution obtained by wa

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