KS E ISO 3271-2008 Iron ores for blast furnace and direct reduction feedstocks－Determination of the tumble and abrasion indices《铁矿石 滚动粉碎强度的测定》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 3271 KS E ISO 3271:2008 2008 6 30 http:/www.kats.go.krKS E ISO 3271:2008 ： () ( ) () () ( ) : (http:/www.standard.go.kr) ： ： 2003 8 11 ： 2008 6 30 20080346 ： ： ( 025097274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 3271:2008 Iron ores for blast furn

2、ace and direct reduction feedstocks Determination of the tumble and abrasion indices 2007 4 ISO 3271, Iron ores for blast furnace and direct reduction feedstocks Determination of the tumble and abrasion indices , . , . . 1 ( ) . . 2 . . KS A 5101 1, 1： KS A 5101 2, 2： KS E 3039, (ISO 4701： 2008, Iro

3、n ores and direct reduced iron Determination of size distribution by sieving) KS E ISO 3082, KS E ISO 11323, 3 KS E ISO 11323 . KS E ISO 3271:2008 2 3.1 ( ) 3.2 ( ) . 6.30 mm . 3.3 ( ) . 500 m . 3.4 4 ( 1 000 mm, 500 mm) (251) 200 . 6.30 mm, 500 m , 6.30 mm , 500 m . 5 5.1 , KS E ISO 3082 . 40.0 mm

4、6.30 mm 12.5 mm 10.0 mm . ( ) 40.0 mm 10.0 mm . 60 kg . (1055) , . 0.05 % . 5.2 KS E ISO 3082 . 15 kg0.15 kg 4 . 60 kg 25.0 mm, 16.0 mm, 10.0 mm 4 . 3 15 kg0.15 kg 4 KS E ISO 3271:2008 3 . . 6 6.1 . a) , , , b) c) d) 6.2 5 mm 1 000 mm, 500 mm . 500 mm, 50 mm50 mm5 mm 2 ( ) . . 180 . . . . (stub axle

5、s) . 3 mm 47 mm . 1 . ： mm a) b) 1 ( ) 6.3 1 , 25 r/min1 r/min 1 ( ) 5 2(50505)1 000 500KS E ISO 3271:2008 4 . , . 6.4 6.30 mm, 500 m , KS A 5101 1 KS A 5101 2 . 6.5 1/1 000 . 7 7.1 A . 7.2 5.2 (m0) (6.2) . , (251) 200 . 2 . . . 7.3 . KS E 3039 . 6.30 mm 500 m 6.30 mm (m1), 6.30 mm , 500 m (m2) 500

6、m 0.1 g . 500 m . 1.0 % . 1 % . . 500 m , 6.30 mm 500 m ( 2.00 mm 1.00 mm) . 8 8.1 (TI) (AI) . 100TI(%)01=mm100)(AI(%)0210+=mmmmKS E ISO 3271:2008 5 m0： (kg) m1： 6.3 mm (kg) m2： 6.3 mm 500 m (kg) . 8.2 A ( ) 1 . . 1 (r) r % (TI) 6.3 mm 1.4 (AI) 500 m 0.8 9 . a) , KS E ISO 3271:2008 b) c) d) e) f) g)

7、 , h) (TI) (AI) i) 10 . . . . KS E ISO 3271:2008 6 A ( ) r： 1 KS E ISO 3271:2008 7 KS E ISO 3271:2008 . ISO 3271 (2007 4 ) . “ ”(Iron ores Determination of tumble strength) , “ ”(Iron ores for blast furnace and direct reduction feedstocks Determination of the tumble and abrasion indices) . 3 “ KS E

8、ISO 11323 .” . KS E ISO 11323 . 6. 5. . 5. , 6. , 7. , . 10 . “ A( ) ” “ B( ) ” “ A( ) ” . 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS E ISO 3271:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Iron ores for blast furnace and direct reduction feedstocks Determination of the tumble and abrasion indices ICS 73.060.10