KS I ISO 10715-2008 Natural gas－Sampling guidelines《天然气 取样指南》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 10715 KS I ISO 10715:2008 2008 12 2 http:/www.kats.go.krKS I ISO 10715:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2003 8 30 ：2008 12 2 2008-0812 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 10715:2008 i . 15 MPa . . , , . , ,

2、 . . . , ( ) , . KS I ISO 10715:2008 ii 1997 1 ISO 10715, Natural gas Sampling guidelines . KS I ISO 10715:2008 Natural gas Sampling guidelines ISO 10715 ISO/TC 193 Natural gas SC 1, Analysis of natural gas . A J . , . . . . 1 , . , . , . , , , . . , . . . 2 . 2.1 (direct sampling) 2.2 (floating-pis

3、ton cylinder) . . KS I ISO 10715:2008 2 2.3 (flow-proportional incremental sampler) 2.4 (high-pressure natural gas) 0.2 MPa 15 MPa . 2.5 (hydrocarbon dew point) 2.6 (incremental sampler) 1 2.7 (indirect sampling) 2.8 (liquid separator) 2.9 (low-pressure natural gas) 0 MPa 0.2 MPa 2.10 (purging time)

4、 2.11 (representative sample) 2.12 (residence time) 2.13 (retrograde condensation) , , 5.2 . 2.14 (sample container) KS I ISO 10715:2008 3 2.15 (sample line) . . 2.16 (sample probe) 2.17 (sampling point) 2.18 (spot sample) 2.19 (transfer line) 2.20 (water dew point) 3 3.1 . . . . . 1 KS I ISO 10715:

5、2008 4 2 . 3.1.1 . . . 3.1.2 . . 3.2 . . ( ) . , , , . . . . . . dstn =21 d ： n ： s ： t ： Students t ( H H.1 ) . t n , t . , . 3.2.1 ( ) ( ) 2 . . . . . . 3.2.2 . . KS I ISO 10715:2008 5 3.2.3 Students t Students t . ( 95 %) 1 (n 1) “ ” . 1 d = 0.4 %( ) s = 0.6 %( ) n = 7 . t = 2.45 6 0.475( 0.95 .)

6、 4.06.045.221=n n = 14 n = 14 . t = 2.16 13 0.475( 0.95 .) 4.06.016.221=n n = 11 n = 11 . t = 2.23 10 0.475( 0.95 .) 4.06.023.221=n n = 11 2 20 mg/m3 50 mg/m3 d = 30 mg/m3( ) s = 10 mg/m3 ( ) t = 4.30(n 1 2 , 95 % ) 30103.421=n n = 2 3 . 2 . 4 4.1 . , . . . KS I ISO 10715:2008 6 4.2 / . . . 4.3 . .

7、( , , , , , , / ) . . . , . 1.5 . . . . . . . . . . . “ ” . . . . . . . 4.4 ( 4 % 16 %) . 400 ( ) KS I ISO 10715:2008 7 “ ”( ) . ( ) . . / . . 4.5 . . (H2S, , Hg, ) , , . . ( ) . . , ( ), . . 4.6 . . / , . . . 5 5.1 . . . . . / , . , . . 5.1.1 , , . . 5.1.2 KS I ISO 10715:2008 8 . 5.1.3 ( / ) . . 5.

8、2 . 2 / . . 2 , . . 10 . , 100 . (revaporization) 2 . 2 / 5.2.1 2 . p0 . 10 ( ) , p1 . p0 p2 . ()(MPa)KS I ISO 10715:2008 9 p2 p3 . . p3 p1 . p1 p0 , p3 . p2 , . . - . 2 , 25 10 MPa p3 10 . p1 35 . 5.2.2 . ( ). . 5.2.3 . / . 5.2.4 . 2 . 5.3 . . . . 5.4 . ( . ). . KS I ISO 10715:2008 10 ( ) . 5.5 ( )

9、 . . , ). 5.6 / . (8.4 ). . . . . 6 6.1 . ( 6.1.1 ). ( ) . . . (PTFE) . . , . . . , , , , . 1 . 6.1.1 . , KS I ISO 10715:2008 11 . . , 4 CrNi 18 10 4 CrMo 17 12 2 . 1 aCOS CH3OH H2S H2CnHmCO2O2RSH H2O He Hg CO THT a a a b b a b a ba a a a a a a a PTFEcb b b a c c c b a a b a c a c a a a a b b a c a a a a a a a a a aa： b： c： . b . cPTFE . , He H2 . PTFE . 6.1.2 ( ) . , . ppb ppm ( 7.2 ) . 6.1.3 . . . PVC . , . 6.1.4 . . 6.2 / . 7 KS I ISO 10715:2008 12 7.1 . . . , . . . . 7.2 , , . ( B ). . , . , . . , .