1、 779 2014 EN 779:2012 Particulate air filters for general ventilation Determination of the filtration performance (IDT) 2014 779 2014 II 1 () , 4 - ( ) 2 184 3 - 24 2014 . 1419- 4 779:2012 - . (EN 779:2012 Par-ticulate air filters for general ventilation Determination of the filtration performance)
2、- , - 5 7792007 1.02012 ( 8). ( 1 ) , -. () - . , - (gost.ru) , 2014 -, - 779 2014 III 1 . 1 2 . 1 3 . 2 4 4 5 . 5 6 . 5 7 6 7.1 6 7.2 6 7.3 DEHS . 9 7.4 .10 7.5 .11 7.6 11 7.7 11 7.8 .11 8 .13 8.1 13 8.2 .14 8.3 15 8.4 .15 8.5 15 8.6 100%- .16 8.7 .16 8.8 .16 8.9 16 8.10 .16 8.11 .17 8.12 .18 8.13
3、19 9 .19 9.1 , .19 9.2 .20 9.3 , .20 9.4 20 10 .21 10.1 21 10.2 21 10.3 21 10.4 .22 11 .25 11.1 25 11.2 .25 11.3 .26 11.4 .26 11.5 .27 12 27 13 29 13.1 29 13.2 .29 13.3 30 13.4 .31 13.5 31 13.6 31 13.7 31 () 40 () .42 C () .45 D () 47 () .61 .62 779 2014 IV , , 779:2002. 779. DEHS ( ), - , - . . 779
4、:2002 ( F G) -, ( F, M G). 40 % 0,4 , G, - . 40 % 80 % 0,4 , (6, 7). ( 0,4 ). F6 F7 6 7. - . 80 % 0,4 , F (F7F9). F ( 0,4 ). DEHS ( ) - : , 779:2002 4/9, ; - ; DEHS ; . , - . . - , , . - . , . , . , , - . . . , - , - . 779 2014 1 Particulate air filters for general ventilation Determination of the f
5、iltration performance 201512 01 1 - . -, , , . , 0,2 3,0 , - . - . 98 % 0,4 . 0,24 3/ (850 3/) 1,5 3/ (5400 3/). - . , , - . 2 . - . ( ). 5167-1:2003 . 1. , , (EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices in-serted in circular cross-section conduits running
6、full Part 1: General principles and requirements 2854:1976 . , - (ISO 2854:1976 Statistical interpretation of data Tech-niques of estimation and tests relating to means and variances) 12103-1:1997 . . 1. - (ISO 12103-1:1997 Road vehicles Test dust for filter evaluation Part 1: Arizona test dust) 779
7、 2014 2 3 : 3.1 (arrestance): . 3.2 m(average arrestance m): . G. 3.3 Em(average efficiency Em): 0,4 . F. 3.4 Ei,j(average efficiency Ei,j): i j. 3.5 ED,i(average discharged efficiency D,iE ): i . 3.6 EU,i(average untreated efficiency U,iE ): i. 3.7 (charged filter): - . 3.8 (coarse filter): , G1 G4
8、. 3.9 (counting rate): , . 3.10 DES: () . 3.11 (discharged efficiency): - . 3.12 (test dust capacity): - . 3.13 (efficiency): : , -, , . 3.14 (face area): - . 0,61 0,61 = 0,37 2. 3.15 (face velocity): , - . 3.16 (final filter): , , . 3.17 (final pressure drop recommended): - , - . 3.18 (final test pressure drop): -, () - . 3.19 (fine filter): , F7 F9. 3.20 ; HEPA (HEPA filter): - , 13 14 1822-1. 3.21 (initial arrestance): - 30 , . 779 2014 3 3.22 (initial efficiency): , - . . 3.23 (initial pressure drop): -, . 3.24 (isokinetic sampling): , - . 3.25 (loading dust): . . 3.26 (mean diameter):
