Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
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Profit /Innov<strong>at</strong>ion<br />
Know your process better<br />
• Measure actual pushing <strong>for</strong>ce, not calcul<strong>at</strong>ed<br />
from motor amperage<br />
– Typical pushing <strong>for</strong>ce curve shows:<br />
• A peak when coke cake start to move<br />
• A rapid decrease as coke cake clears from oven wall<br />
due to oven taper and keeps stable<br />
• A long and more or less fl<strong>at</strong> zone where only friction<br />
on the oven sole occurs<br />
Hard Pushing<br />
30<br />
25<br />
20<br />
Force (Tonnes)<br />
15<br />
10<br />
5<br />
0<br />
05/10/2008 49<br />
0 5 10 15 20 25 30 35 40 45<br />
Time (sec)
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