Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
Challenges for Sustainable Ironmaking at ArcelorMittal - ABM Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
Profit /Innovation Know your process better • Measure actual pushing force, not calculated from motor amperage – Typical pushing force curve shows: • A peak when coke cake start to move • A rapid decrease as coke cake clears from oven wall due to oven taper and keeps stable • A long and more or less flat zone where only friction on the oven sole occurs Hard Pushing 30 25 20 Force (Tonnes) 15 10 5 0 05/10/2008 49 0 5 10 15 20 25 30 35 40 45 Time (sec)
Profit /Innovation Know your process better SUPERMAGNAC Continuous assessment of the magnetic index of sinter = indicator of sintering degree directly on the sinter strand over the whole bed width Sensor installed at ArcelorMittal Gent Magnetic index (-) 40 35 30 25 20 Period 1 Profiles across strand width Period 2 13 11.4 9.8 8.2 6.6 Fe++ (w/w%) 15 0 100 200 300 400 Distance to the pallet wall (cm) 5 Potential benefits through enhanced process regularity gains related to energy, quality, productivity, environment 05/10/2008 50
- Page 1 and 2: Challenges for Sustainable Ironmaki
- Page 3 and 4: The inside cover - Not in this mill
- Page 5 and 6: Outline • Ironmaking at ArcelorMi
- Page 7 and 8: Global Iron and Steel Production Tr
- Page 9 and 10: Ironmaking facilities are “integr
- Page 11 and 12: Eqv Coke Rate kg/thm Equivalent Cok
- Page 13 and 14: 700 80 600 70 500 60 Effective Grat
- Page 15 and 16: And highly vertically integrated 05
- Page 17 and 18: • Ironmaking at ArcelorMittal An
- Page 19 and 20: Sustainability Challenges 05/10/200
- Page 21 and 22: Sustainability A vertical vision, i
- Page 23 and 24: Three Axes of Action 05/10/2008 22
- Page 25 and 26: Knowledge Organization To move glob
- Page 27 and 28: Knowledge Organization Increase our
- Page 29 and 30: Knowledge Organization Increase our
- Page 31 and 32: Energy / Environment IH No. 7 Blast
- Page 33 and 34: Energy / Environment A process - pr
- Page 35 and 36: ArcelorMittal Tubarão Energy Model
- Page 37 and 38: Fuel Recovery Index Gas Fuel is pro
- Page 39 and 40: Profit / Innovation 05/10/2008 38
- Page 41 and 42: Profit /Innovation Asset Longevity
- Page 43 and 44: Tubarao No. 1 BF Equipment Control
- Page 45 and 46: Tubarao No. 1 BF BF - SHELL DEGRADA
- Page 47 and 48: Tubarao No. 1 BF Total Fuel Rate (n
- Page 49: Profit /Innovation Design tools for
- Page 53 and 54: Profit /Innovation Know your proces
- Page 55 and 56: Profit /Innovation Push the limits
- Page 57 and 58: Profit /Innovation Push the Limits
- Page 59 and 60: Profit /Innovation Improve Value-in
- Page 61 and 62: Profit /Innovation Enhanced use of
- Page 63 and 64: Lisakovsky de-P flowsheet Gravity M
- Page 65 and 66: Profit /Innovation Use lower cost r
- Page 67 and 68: Concluding Remarks The New Cover -
- Page 69 and 70: The Ironmaking plant - Innovation a
Profit /Innov<strong>at</strong>ion<br />
Know your process better<br />
SUPERMAGNAC<br />
Continuous assessment of the magnetic index of sinter = indic<strong>at</strong>or of sintering degree<br />
directly on the sinter strand<br />
over the whole bed width<br />
Sensor installed <strong>at</strong><br />
<strong>ArcelorMittal</strong> Gent<br />
Magnetic index (-)<br />
40<br />
35<br />
30<br />
25<br />
20<br />
Period 1<br />
Profiles across strand width<br />
Period 2<br />
13<br />
11.4<br />
9.8<br />
8.2<br />
6.6<br />
Fe++ (w/w%)<br />
15<br />
0 100 200 300 400<br />
Distance to the pallet wall (cm)<br />
5<br />
Potential benefits through enhanced process regularity<br />
gains rel<strong>at</strong>ed to energy, quality, productivity, environment<br />
05/10/2008 50
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