1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS E 3035 KS E 3035:2008 2008 6 30 http:/www.kats.go.krKS E 3035:2008 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : : 1976 11 26 : 2008 6 30 20080346 : : ( 025097274) (http:/www.kats.go.kr). 10 5 , . KS E 3035:2008 Iron ores Determination of reducibili
2、ty 1985 1 ISO 7215, Iron ores Determination of relative reducibiliy 1, 1984 1 ISO 4695, Iron ores Determination of reducibiliy 2 , “ ” . 2007 . . , . . 1 1 (ISO 7215 ) 1.0 . , , . , . A B . 1.1 ( 1) . 1.2 . . KS A 5101 1, 1: KS A 5101 2, 2: KS E ISO 2597 1, 1: (II) KS E 3035:2008 2 KS E ISO 3082, KS
3、 E ISO 9035, (II) KS E ISO 10836, KS E ISO 11323, ISO 3081, Iron ores Increment sampling Manual method KS E 3034( ) . ISO 3083, Iron ores Preparation of samples Manual method 1.3 KS E ISO 11323 . 1.3.1 reducibility(isothermal reduction) 1.3.2 (relative reducibility) . 1.4 900 3 . . (II) . 1.5 0 101.
4、325 kPa . 1.5.1 . CO (301.0) %(V/V) N2(701.0) %(V/V) 1.5.2 . H20.2 %(V/V) CO20.2 %(V/V) O20.1 %(V/V) H2O 0.2 %(V/V) 1.6 KS E 3035:2008 3 . 1.6.1 10.0 mm, 12.5 mm, 16.0 mm, 19.0 mm 22.4 mm . KS A 5101 1 KS A 5101 2 . 1.6.2 , ( 1 ) . 1.6.2.1 ( 2 ). a) 910 , (751) mm b) c) ( 4 mm, 2 3 m, 4 5 mm) d) 100
5、 mm , 1.6.2.2 (90010) . 1.6.2.3 0.5 g . . 1.7 1.7.1 ISO 30811) KS E ISO 30821) KS E ISO 3082 ISO 30831) . 500 g 5 . KS E ISO 10836(2003), (1055) 2 , . 12.5 mm 10.0 mm . . 1.10.2.2 . 22.4 mm 19.0 mm . 12.5 mm 10.0 mm 1.10.2.2 . 12.5 10.0 mm . 1) . KS E 3035:2008 4 12.5 mm 12.5 mm 16 mm . 12.5 mm 10.0
6、 mm . . 1.7.2 500 g (II) . 1.8 1.8.1 (150.5) L/min . 1.8.2 900 . (90010) . 1.9 2 . KS E ISO 2597 1, KS E ISO 9035 D (II) . D (II) KS E ISO 9035 . 1.9.1 500 g(1 ) (m0) 1 g . 1.9.2 a) ( .) . b) , , . c) . d) 5 L/min . 900 15 L/min 900 30 . e) (m1) . 15 L/min . ( .) . . . f) 3 (m2) , . 5 L/min . KS E 3
7、035:2008 5 100 . 1 60 10 15 . 2 60 900 . 3 (squeezing test) . 1.10 1.10.1 3 ( ) Rf(%) 2). 41202110)111.0430.0(=wwmmmRf Rf: (%) m0: (g) m1: (g) m2: 3 (g) w1: (II) (%) , (II) (%) 1.286 w2: (%) KS E ISO 2597 1 1.10.2 1.10.2.1 1 (2 ) . 1 2 1.10.2.2 , 1 . 1.10.2.2 1 2 3 %( ) , 5 %( ) . . . 1.10.3 Rf(%) .
8、 2) A . KS E 3035:2008 6 KS A 3251 1( 1: ) . 1.11 . a) b) c) d) (II) 2 2 (ISO 4695 ) 2.0 . , , . , . C . 2.1 ( 2) . 2.2 . . KS E ISO 2597 1, 1: (II) KS E ISO 3082, KS E ISO 9035, (II) KS E ISO 10836, ISO 3081, Iron ores Increment sampling Manual method KS E 3034( ) . ISO 3083, Iron ores Preparation
9、of samples Manual method 2.3 . 2.3.1 (reducibility) , (III) KS E 3035:2008 7 ( ) 0.9 . . 2.4 , 950 . . (III) 0.9 . 2.5 0 101.325 kPa . . CO 400.5 %(V/V) N2 600.5 %(V/V) . H20.2 %(V/V) CO20.2 %(V/V) O20.1 %(V/V) H2O 0.2 %(V/V) 2.6 . a) b) c) d) e) 3 . 2.6.1 950 , . (751) mm . 4 . 2.6.2 (95010) . KS E
10、 3035:2008 8 2.6.3 0.5 g . . 2.6.4 10.0 mm, 12.5 mm 16.0 mm . ISO 3310 1(Test sieves Technical requirements and testing Part 1: Test sieves of metal wire cloth) ISO 3310 2(Test sieves Technical requirements and testingPart 2: Test sieves of perforated metal plate) KS A 5101 1 3( ) . 2.7 2.7.1 , ISO
11、30813) KS E ISO 3082 KS E ISO 3082 ISO 30833) . (1055) . KS E ISO 10836 . 2.7.2 500 g 5 . a) 10.0 mm 12.5 mm 12.5 mm 10.0 mm , 2.5 kg . b) 12.5 mm 12.5 mm 16 mm . 12.5 mm 10.0 mm , 12.5 mm 10.0 mm 2.5 kg . 12.5 mm 10.0 mm . . 16.0 mm . 2.7.3 500 g (II) . 2.8 2.8.1 (2.5) (500.5) L/min . 2.8.2 3) . KS
12、 E 3035:2008 9 950 . (95010) . 2.9 2.9.1 2 . 2.9.2 KS E ISO 2597 1, KS E ISO 9035 D (II) . D (II) KS E ISO 9035 . 2.9.3 500 g(1 ) (m0) 1 g . 2.9.4 a) ( .)(2.9.3) (2.6.1) , . 10.0 mm 12.5 mm 2 . b) (2.6.2) (2.6.3) . c) 25 L/min . 950 50 L/min . (m1) (95010) . d) 50 L/min . 15 3 , 10 . ( .) . . . e) 6
13、5 % . 4 65 % 4 . . 2.10 2.10.1 (III) t Rt(%)4) . 4) C . KS E 3035:2008 10 100100430.0430.0111.020121+=wmmmwwRtt Rt: (III) t (%) m0: (g) m1: (g) mt: t (g) w15): (II) (%) , (II) (%) 1.2866) w25): (%) KS E ISO 2597 1 t Rt . 2.10.2 30 % 60 % (min) . 0.97) (%/min) . 30606.33)9.0Fe(O/ddtttR= t30: 30 % (mi
14、n) t60: 60 % (min) 33.6 : 60 % . 30)9.0Fe(O/ddttKtRy= ty: y % (min) K : y y 50 % K 20.2 y 55 % K 26.5 2.10.3 1 2 2 2.5 % . 2 0.01 %/min . 1 2 1 2 4 0.01 %/min . 5) 500 g (2.7.3) w1(%) w2(%) . 6) FeO/Fe(II) 1.286 7) 0.9 40 % . KS E 3035:2008 11 KS A 3251 1( 1: ) . 2.11 . a) b) c) d) (II) e) ( ) KS E
15、3035:2008 12 1 ( 1) KS E 3035:2008 13 : mm 2 ( )( 1) 2 3 mm 4 5 mm 4 mm 2/5 KS E 3035:2008 14 : mm ( ) (10 kVA) 3 ( 2) KS E 3035:2008 15 : mm 2.5 mm 4 mm 241 1 180 mm2 4 mm (2.6) 4 (2.6.1) ( 2) KS E 3035:2008 16 A ( ) A.1 1.10.1 Rf . 1003=mmRff(A.1) mf: 3 (g) m3: (g) A.2 (: Fe2O3), ( :FeO Fe2O3) (II
16、)(FeO) . (A.1) m3 Fe2O3 FeO . w2 (II) w1 m3 . m3 m4 m5+=MAwAAwm01Fe03023(A.2) m4: Fe2O3 (g) m5: FeO (g) m0: 1.10.1 (g) w1: 1.10.1 (g) w3: Fe2O3 (%) A0: (16.00) AFe: (55.85) M : (II) (71.85) 21mmmf= , 1Fe23wMAww = m1, m2, w1 w2 1.10.1 (A.2) Rf . 100123100)(10Fe01Fe2021+=wMAAAwMAwmmmRfKS E 3035:2008 17 41120211085.7100.1670.11100.4885.7185.55+=wwwmmm41202110)111.0430.0(=wwmmmKS E 3035:2008 18 B ( ) ISO 4695, ( ) KS E ISO 4696 1, 1: , , KS E ISO 4696 2, 2: ISO 7215, ( ) . KS E 3035:2008 19 C ( ) “ ” , . = (C.1) (Fe3O4), (FeO) 2.10.1 (Fe2O3) . ( Fe2O3 ) Fe2O3, Fe3O4 FeO