EN779-2012中英文對照版

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3、bs en 779:2002 which is withdrawn.bs en 779:2012 provides a system of checking the filtrationperformance of air filters used in air conditioning systems.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 日批準本歐洲標準。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 成員有義務遵守 cen/cenelec 的內(nèi)部

16、規(guī)則，不加任何修改地將本歐洲標準作為各自的國家標準。有關各國國家標準的最新目錄和參考文獻，可以從管理中心或從 cen 成員處獲得。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.本歐洲標準有三種語言的官方文本（英語、法語、德語）cen成員有責任將其譯成母語，并通報管理中心，通報的譯本與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成員包括奧地利，比利時，保加利亞，克羅地亞，塞浦路斯，捷克共和國，丹麥，愛沙尼亞的國家標準機構，芬蘭，法國，德國，希臘，匈牙利，冰島，愛爾蘭，意大利，拉脫維亞，立陶宛，盧森堡，馬耳他，荷蘭，挪威，波蘭，葡萄牙，羅馬尼亞，斯洛伐克，斯洛文尼亞，

19、西班牙，瑞典，瑞士，土耳其和英國。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 范圍.7normative references 參照標準.7terms and definitions 術語和定義.7symbols and abbreviated terms 符號和縮略語.

21、11requirements 要求.12classification 分級 .14test rig and equipment 試驗裝置和設備.15test conditions 試驗條件.15test rig 試驗裝置 .15aerosol generation dehs test aerosol 氣溶膠生成-dehs氣溶膠測試 .17aerosol sampling system 氣溶膠采樣系統(tǒng).18flow measurement 風量測量.19particle counter 粒子計數(shù)器.19differential pressure measuring equipment 壓差測量設

22、備 .19dust feeder 粉劑進給裝置.19qualification of test rig and apparatus 試驗裝置和設備的驗證.23air velocity uniformity in the test duct 試驗風道中風速的均勻性.23aerosol uniformity in the test duct 試驗風道中氣溶膠的均勻性.23particle counter sizing accuracy粒子計數(shù)器的粒徑精確度.24particle counter zero test 粒子計數(shù)器零試驗.25particle counter overload test

23、粒子計數(shù)器過載試驗.25100 % efficiency test 100%效率試驗.25zero % efficiency test 零效率試驗.25aerosol generator response time 氣溶膠發(fā)生器響應時間.26pressure equipment calibration 壓力測量設備的標定.26pressure drop checking 壓降檢查.26dust feeder air flow rate 喂塵器風量.26summary of qualification requirements 合格鑒定要求匯總.27apparatus maintenance 設

24、備維護.28test materials.試驗材料.28test air - cleanliness, temperature and humidity 試驗空氣 潔凈度、溫度、濕度.28test aerosol 試驗氣溶膠.28loading dust 負荷塵.29final filter 末級過濾器.29test procedure for the filter 試驗過程.30preparation of filter to be tested 被試過濾器的準備.30initial pressure drop 初阻力.30initial efficiency 初始效率.30general綜

25、述.30efficiency measurement 效率測定.30dust loading 容塵.31dust loading procedure 容塵過程.31arrestance 計重法.32efficiency 效率.33average efficiency 平均效率.33test dust capacity測試容塵量.332bs en 779:2012en 779:2012 (e)111.4.211.4.311.5121313.413.513.613.7test method for discharging of

26、filter material 過濾材料的放電測試方法. 34general 綜述. 34equipment 設備. 34preparation of test samples 試樣的制備. 35measurement of the filter medium efficiency 過濾介質(zhì)的效率測量. 35general 綜述. 35isopropanol test 異丙醇試驗. 35expression of results 結(jié)果的表達. 36report 報告. 36uncertainty calculation of the test results 試驗結(jié)果的不確定度計算. 37reporting 報告. 38general一般要求. 38interpretation