KS E ISO 5069-2-2007 Brown coals and lignites－Principles of sampling－Part 2：Sample preparation for determination of moisture content and for general analysis《褐煤 采样原则 第2部分 水分测定和一般分析.pdf

1、 KS E ISO 50692 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2： KS E ISO 50692 ：2007 (2012 ) 2007 11 30 http:/www.kats.go.krKS E ISO 50692：2007 : ( ) ( ) () () ( ) : : (http:/www.standard.go.kr) ： ：2007 11 30 ：2012 12 25 20120796 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS E ISO 50692：2007 (

2、2012 ) 2： Brown coals and lignites Principles of sampling Part 2 ：Sample preparation for determination of moisture content and for general analysis 1983 1 ISO 50692, Brown coals and lignitesPrinciples of sampling Part 2：Sample preparation for determination of moisture content and for general analysi

3、s , . 1 . KS E ISO 50691 . 2 . . KS E ISO 12132, 2：, KS E ISO 1988, KS E ISO 50691, 1： 3 , (KS E ISO 12132). , . , . 1 . 4 3 . a) . KS E ISO 50692：2007 b) . c) (). . . , . . KS E ISO 1988 . 5 (location) (enclosed), , , . , 15 . . (treatment) , . 6 6.1 (crushers), (mills), (cutting dividers), (divide

4、rs) a) 10 mm 3.15 mm , . b) 1 mm 0.212 mm , . 6.2 (crushers, mills) . 6.3 (dividers) . a) (riffle) . 30 . b) . 1 2 . (aperture) 2.5 . 6.4 6.4.1 1 . 6.4.2 (extracted portion) ( 2 3). 2 KS E ISO 50692：2007 6.4.3 (division ration) 0.1 . 6.4.4 , . 6.4.5 (non-homogeneous) . 6.4.6 . 6.5 6.5.1 1 (one stage

5、 type) 2 (two stage type)( ) . 6.5.2 (functioinal parts) . 6.5.3 (movable parts) 1 m/s . 6.5.4 (throuht-flow cross-section) 2.5 D , 50 mm . 6.5.5 100 mm . 7 7.1 . , . (reduction) (division) . 7.2 2 . 7.2.1 (extraction of moisture sample before reduction) , . , . 4 9 . X , 2 . 2 . a) 3 KS E ISO 50692

6、：2007 , 3.15 mm . 500 g . 2 (a). b) , 20 mm 20 mm . 20 mm , . 2 kg , 9.2 A . A 2 1 . 3.15 mm 500 g . 2 (b). 7.2.2 (extration of moisture sample after reduction) , 3.15 mm , . . 7.3 (moisture sample preparation from special moisture content sample) 7.2 2 (a),(2 b) X . . 8 (sample preparation for gene

7、ral analysis) 7.2 Z . 3 . a) , 3.15 mm . 4 kg , 2 kg ( ). b) 3.15 mm , Z 20 mm , Y kg ( 3). , 3.15 mm 2 kg ( ). a) b) 3 . 1) ( 500 g) 2) ( 500 g) 3) ( 1 000 g) 1 mm . . 0.212 mm , 250 g . . , 250 g 150 g . . 9 (determination of loss of moisture on air-dying) 4 KS E ISO 50692：2007 9.1 40 , . (receive

8、d coal) . 9.2 A 7.2.1 , . 20 mm ( ). . 0.05 % . 0.3 % 2 . , W ex % . 100 1 2 3 2 ex m m m m W m 1 ： (g) m 2 ： (g) m 3 ： (g) 9.3 B , 0.5 % . 20 mm ( ). . . . 0.3 % 2 . . W ex % . 100 1 2 3 2 ex m m m m W m 1 ： (g) m 2 ： (g) m 3 ： (g) W ex KS E ISO 5068 , . 5 KS E ISO 50692：2007 2 3 1 6 KS E ISO 50692

9、：2007 ( X kg) a) b) 2 7 KS E ISO 50692：2007 a) b) 1A d10 % 2A d10 % 3.15 mm 3.15 mm 20 mm 3 8 KS E ISO 50692：2007 9 4 9 2： 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS E ISO 50692 ：2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Brown coals and lignite s Principles of sampling Part 2 ：Sample preparation for determination of moisture content and for general analysis ICS 73.040 Korean Agency for Technology and Standards http:/www.kats.go.kr