EN779-2012中英文对照版

1、bs en 779:2012bsi standards publicationparticulate air filters forgeneral ventilation determination of the filtrationperformanceno copying without bsi permission except as permitted by copyright lawraising standards worldwidecopyright british standards institutionprovided by ihs under license with b

2、si - uncontrolled copyno reproduction or networking permitted without license from ihslicensee=hong kong polytechnic university/9976803100not for resale, 04/25/2012 23:52:03 mdtbs en 779:2012british standardnational forewordthis british standard is the uk implementation of en 779:2012. itsupersedes

3、bs en 779:2002 which is withdrawn.bs en 779:2012 provides a system of checking the filtrationperformance of air filters used in air conditioning systems. the useof this revised version of bs en 779 will ensure a more rigorouscheck of the quality and performance of air filters used in airconditioning

4、 systems. this in turn will result in improved air qualityin indoor working environments.the test procedures used in this standard are based on establishedtechniques developed over decades, but using modern digitalinstrumentation. the multiple mechanisms involved in air filtrationare complex and dif

5、ficult to model, and consequently the testingtechniques themselves have also become complex.a result of this is that the performance grading of air filters cannotbe carried out reproducibly in terms of their effectiveness in theremoval of atmospheric particulate air pollution. tests using artificial

6、(synthetic) particulate contamination are used to grade these filters.the bs en 779:2012 test system grades (ranks) air filters accordingto their particulate removal capability. this varies and mayincrease or decrease significantly during the lifetime of the filter.users of this standard need to be

7、aware that the term averageefficiency, which occurs in the classification table and in otherplaces, is a test parameter that relates only to tests using artificialtest contamination in artificial test conditions. the value of thisparameter obtained in the test procedures does not correspondwith or r

8、elate directly to the installed performance of air filters inventilation systems. this value cannot be used to estimate or predictthe effectiveness of these filters in removing particulate atmosphericpollution.conversely, the minimum efficiency is a minimum performancecriterion. under normal operati

9、ng conditions the particulateremoval capability of the filter will not fall below this value.bsi experts, together with experts in cen and iso, are activelysupporting an iso project to develop new performance criteriafor air filters for use in general ventilation. the new standard isscheduled for pu

10、blication in 2015 and will rank filters in terms oftheir performance in the removal of particulate air pollution.the uk participation in its preparation was entrusted to technicalcommittee mce/21/3, air filters other than for air supply for i.c.engines and compressors.a list of organizations represe

11、nted on this committee can beobtained on request to its secretary.this publication does not purport to include all the necessaryprovisions of a contract. users are responsible for its correctapplication. the british standards institution 2012. published by bsi standardslimited 2012isbn 978 0 580 672

12、31 6ics 91.140.30-,-,-legal obligations.compliance with a british standard cannot confer immunity frombs en 779:2012british standardthis british standard was published under the authority of thestandards policy and strategy committee on 30 april 2012.amendments issued since publicationdatetext affec

13、tedbs en 779:2012european standardnorme europenneeuropische normics 91.140.30en 779april 2012supersedes en 779:2002english versionparticulate air filters for general ventilation - determination of thefiltration performancefiltres air de ventilation gnrale pour llimination desparticules - dterminatio

14、n des performances de filtrationpartikel-luftfilter fr die allgemeine raumlufttechnik -bestimmung der filterleistungthis european standard was approved by cen on 14 april 2011. cen 于 2011 年 4 月 14 日批准本欧洲标准。cen members are bound to comply with the cen/cenelec internal regulations which stipulate the

15、conditions for giving this europeanstandard the status of a national standard without any alteration. up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the cen-cenelec management centre or to any cen member.cen 成员有义务遵守 cen/cenelec 的内部

16、规则，不加任何修改地将本欧洲标准作为各自的国家标准。有关各国国家标准的最新目录和参考文献，可以从管理中心或从 cen 成员处获得。this european standard exists in three official versions (english, french, german). a version in any other language made by translationunder the responsibility of a cen member into its own language and notified to the cen-cenelec manag

17、ement centre has the samestatus as the official versions.本欧洲标准有三种语言的官方文本（英语、法语、德语）cen成员有责任将其译成母语，并通报管理中心，通报的译本与官方文本具有同等效力。cen members are the national standards bodies of austria, belgium, bulgaria, croatia, cyprus, czech republic, denmark, estonia,finland, france, germany, greece, hungary, iceland,

18、 ireland, italy, latvia, lithuania, luxembourg, malta, netherlands, norway, poland,portugal, romania, slovakia, slovenia, spain, sweden, switzerland, turkey and united kingdom.cen成员包括奥地利，比利时，保加利亚，克罗地亚，塞浦路斯，捷克共和国，丹麦，爱沙尼亚的国家标准机构，芬兰，法国，德国，希腊，匈牙利，冰岛，爱尔兰，意大利，拉脱维亚，立陶宛，卢森堡，马耳他，荷兰，挪威，波兰，葡萄牙，罗马尼亚，斯洛伐克，斯洛文尼亚，

19、西班牙，瑞典，瑞士，土耳其和英国。european committee for standardizationcomit europen de normalisationeuropisches komitee fr normungmanagement centre: avenue marnix 17, b-1000 brussels 2012 cenall rights of exploitation in any form and by any means reservedref. no. en 779:2012: eworldwide for cen national members.bs

20、 en 779:2012contentsforeword 序.4introduction 引言.51234567.77.828.139.410.210.4.210.4.310.4.410.4.5scope 范围.7normative references 参照标准.7terms and definitions 术语和定义.7symbols and abbreviated terms 符号和缩略语.

21、11requirements 要求.12classification 分级 .14test rig and equipment 试验装置和设备.15test conditions 试验条件.15test rig 试验装置 .15aerosol generation dehs test aerosol 气溶胶生成-dehs气溶胶测试 .17aerosol sampling system 气溶胶采样系统.18flow measurement 风量测量.19particle counter 粒子计数器.19differential pressure measuring equipment 压差测量设

22、备 .19dust feeder 粉剂进给装置.19qualification of test rig and apparatus 试验装置和设备的验证.23air velocity uniformity in the test duct 试验风道中风速的均匀性.23aerosol uniformity in the test duct 试验风道中气溶胶的均匀性.23particle counter sizing accuracy粒子计数器的粒径精确度.24particle counter zero test 粒子计数器零试验.25particle counter overload test

23、粒子计数器过载试验.25100 % efficiency test 100%效率试验.25zero % efficiency test 零效率试验.25aerosol generator response time 气溶胶发生器响应时间.26pressure equipment calibration 压力测量设备的标定.26pressure drop checking 压降检查.26dust feeder air flow rate 喂尘器风量.26summary of qualification requirements 合格鉴定要求汇总.27apparatus maintenance 设

24、备维护.28test materials.试验材料.28test air - cleanliness, temperature and humidity 试验空气 洁净度、温度、湿度.28test aerosol 试验气溶胶.28loading dust 负荷尘.29final filter 末级过滤器.29test procedure for the filter 试验过程.30preparation of filter to be tested 被试过滤器的准备.30initial pressure drop 初阻力.30initial efficiency 初始效率.30general综

25、述.30efficiency measurement 效率测定.30dust loading 容尘.31dust loading procedure 容尘过程.31arrestance 计重法.32efficiency 效率.33average efficiency 平均效率.33test dust capacity测试容尘量.332bs en 779:2012en 779:2012 (e)111.4.211.4.311.5121313.413.513.613.7test method for discharging of

26、filter material 过滤材料的放电测试方法. 34general 综述. 34equipment 设备. 34preparation of test samples 试样的制备. 35measurement of the filter medium efficiency 过滤介质的效率测量. 35general 综述. 35isopropanol test 异丙醇试验. 35expression of results 结果的表达. 36report 报告. 36uncertainty calculation of the test results 试验结果的不确定度计算. 37reporting 报告. 38general一般要求. 38interpretation