1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 13909 2 2: KS E ISO 13909 2:2009 2009 11 10 http:/www.kats.go.krKS E ISO 13909 2:2009 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2004 12 27 :2009 11 10 2009-0692 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS E ISO 13909 2:2009 2: H
2、ard coal and coke Mechanical sampling Part 2: Coal sampling from moving streams 2001 1 ISO 13909 2, Hard coal and coke Mechanical sampling Part 2: Coal Sampling from moving streams , . 1 . KS E ISO 13909 3 . A . B , C . 2 . . ( ) . KS E ISO 13909 1: 2009, 1: KS E ISO 13909 4: 2005, 4: KS E ISO 13909
3、 7: 2005, 7: , KS E ISO 13909 8: 2005, 8: 3 KS E ISO 13909 1 . 4 KS E ISO 13909 2:2009 2 4.1 . a) . b) . c) (4.4.1 ). d) (4.2 ). e) (KS E ISO 13909 4 ). f) (4.4.2 . 4.4.3 ) (4.4.4 ) . KS E ISO 13909 7 . g) (4.4.5 ). h) (5. ) , . i) (4.5 ). , . j) (4.6 ). 4.2 4.2.1 , ( ) . . KS E ISO 13909 7 . 4.2.2
4、(Intermittent sampling) , . . (4.4.5.3 ). , , . . . . KS E ISO 13909 7 . . . 4.3 KS E ISO 13909 2:2009 3 4.3.1 . , , . , . . 4.3.2 . , . . . 4.3.3 . , . , . 4.3.4 4.4.5 , 4.6 . (4.4.2 4.4.3 ). (KS E ISO 13909 7 ). 4.4.2, 4.4.3 4.4.4 . KS E ISO 13909 7 . 4.4.5 . . 4.4.5 . . , . 4.3.5 . 1 (4.6 ). KS E
5、 ISO 13909 2:2009 4 (4.4.5 ). KSE ISO 13909 8 . 4.4 4.4.1 (total variance) , , . . , (KS E ISO 13909 8 ) . . . 10 1 . KS E ISO 13909 7 . . uVVmunVPPTm1L12 (1) PL : , 95 % V1 : 1 n : u : m : Vm : VPT : u m (1) . mVnVPPT1L2 (2) (4.4.2 4.4.3 ). KS E ISO 13909 7 . 4.4.2 1 KS E ISO 13909 2:2009 5 1 V1 ,
6、, . . . . (1) 1 V1 . a) KS E ISO 13909 7 , b) . KS E ISO 13909 7 V1 20 . 4.4.3 Vm . . KS E ISO 13909 7 . 5 . 4.4.4 (1) VPT . a) KS E ISO 13909 7 b) . KS E ISO 13909 7 0.2 . 4.4.5 4.4.5.1 . . , 4.4.5.2 4.4.5.3 . , , . , , . KS E ISO 13909 2:2009 6 . . . a) b) 4.4.5.2 4.4.5.3 . 4.4.5.2 4.4.5.3 . . . .
7、 V1 Vm . KS E ISO 13909 7 . , 4.4.5.2 4.4.5.3 . 4.4.5.2 (4.4.5.1 ). (2) . PT2L144VmPVn (3) . n . a) (3) n , n (practicable number) . b) n1 m . 2L1PT1144PnVnVm (4) m (convenient) n . 10 n 10 . A . KS E ISO 13909 2:2009 7 4.4.5.3 m u (4.4.5.1 ). (1) . PTm2L14144VVmuuPVn (5) . n . a) u n n . b) n1 u .
8、m2LPm1144VmPVVnVmuT (6) m (5) n . 10 n 10 . A . 4.5 , . , . . , (4.4.5 ). 0.2 % 0.01 1 2 (CSIRO 2 ). 1 3 , 20 % , 0.65 kg . mS . 2R0S,S0.2Pmm (7) KS E ISO 13909 2:2009 8 mS,0 : 1 PR : KS E ISO 13909 7 . . . 1 mm kg kg 300 15 000 3 000 200 5 400 1 100 150 2 600 500 125 1 700 350 90 750 125 75 470 95
9、63 300 60 50 170 35 45 125 25 38 85 17 31.5 55 10 22.4 32 7 16.0 20 4 11.2 13 2.50 10 10 2 8.0 6 1.50 5.6 3 1.20 4.0 1.50 1.00 2.8 0.65 0.65 2.0 0.25 1.0 0.10 1 0.2 % 0.01 . 2 KS E ISO 13909 4 . 4.6 m1 , kg (8) . C316.310vCbm (8) KS E ISO 13909 2:2009 9 C : (t/h) b : (mm) . vC : (m/s)(6.8.2 ) m1 kg
10、(9) . B316.310vCbm (9) C : (t/h) b : (mm) vB : (m/s) 1m (10) . nmmS1 (10) mS : ( 1 ) n : (4.4.5 ) (8) (9) . . 6.8 6.9 . . . , , . ( ) . . 1 . 1 (KS E ISO 13909 7 6. ) . (KS E ISO 13909 7 ). 4.7 , , . KS E ISO 13909 2:2009 10 ( , , ) . , . (4.4.14.4.5 ). 25 . , KS E ISO 13909 7 . . . KS E ISO 13909 8
11、 . 2 . , . . 2 mm 1 % kg 2 % kg 300 54 000 13 500 200 16 000 4 000 150 6 750 1 700 125 4 000 1 000 90 1 500 400 75 950 250 63 500 125 50 280 70 45 200 50 38 130 30 31.5 65 15 22.4 25 6 16.0 8 2 11.2 3 0.70 10.0 2 0.50 8.0 1 0.25 5.6 0.50 0.25 4.0 0.25 0.25 2.8 0.25 0.25 5 KS E ISO 13909 2:2009 11 5.1