1、 14591-12012 1 , 2 N 14591-1:2004Explosion prevention and protection in underground mines Protective systems Part 1: 2-bar explosion-proof ventilation structure(IDT) 1 -( -) , - 42 403 - (-)3 17 2012 . 508-4 E 14591-1:2004 ( - 2006 .) . . 1. , 2 (N 14591-1:2004 Explosion prevention and protection in
2、 underground mines Protective systems Part 1: 2-bar explosion-proof ventilation structure). - , 5 1.02012 ( 8). ( 1 ) , -.() - . , - (gost.ru) , 2013 , - - II 14591-120121 .12 13 24 .25 .25.1 25.2 .35.2.1 35.2.2 35.2.3 .45.3 45.3.1 45.3.2 , 2 .45.3.3 , 2 .55.3.4 56 .5 () , 2 = 700 h0= 1800 6 () -, 2
3、 = 1600 h0= 2000 .8 () 1011III 14591-12012 14591-1:2004 ( 2006 .), 94/9 1; . -. 14591-1:2004. : 14591-2 . -. 2. . 14591-3 . -. 3. . 14591-4 . -. 4. .IV 14591-12012 1 , 2 Underground mines. Explosion prevention and protection systems.Part 1. 2-Bar explosion-proof ventilation structures 201307011 , 2
4、. , , . , - , - , . - , .2 .- , ( -). 10025 . 1. (EN 10025, Hot rolled products of non-alloy structural steels Technical delivery conditions) 13463-1 , . 1. (EN 13463-1, Non-electrical equipment for potentially explosive atmospheres Part 1: Basic methodand requirements) 13478 . (EN 13478, Safety and
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7、, 2 ,2 , R1R2 20 600 300 20 1000 5005.2.3 250 . ( ) - . - 250 .5.3 5.3.1 2 -.5.3.2 , - 2 , . 90 . (. 13478 13463-1)., , - .4 14591-120121 3 R2 5.3.3 , 2 , . 90 ., , - .5.3.4 . , .6 , - 2 , , - .5 14591-12012 () , 2 = 700 h0= 1800 .1 , 2 6 14591-12012 .1 , 2 /1 1 S 235 JRb2 1 S 235 JR3 1 S 235 JR4 1 5 1 S 235 JR6 1 2957 1 S 235 JR8 2 S 235 JR9 2 S 235 JR10 4 S 235 JR11 8 S 235 JR 10025, 4.b S 235 JR: 2, 2, 3, 3 - .7 14591-12012 () , 2 = 1600 h0= 2000 .1 , 2 8 14591-12012 .1 , - 2 /1 1 S 235 JRb2 2 S 235 JR3 2 S 235 JR4 2 5
