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 –liquid level in BF hearths 1 ,2 1 S tatic p su m e as u rem e n t at F o s B F # 1 Static pressure evolution at Fos BF1 •Static Pressure measurement P slag Static pressure (bar) 0 ,8 0 ,6 0 ,4 hot metal 0 ,2 N 2 Q 0 1 2 :0 0 1 3 :1 2 1 4 :2 4 1 5 :3 6 1 6 :4 8 1 8 :0 0 1 9 :1 2 Raw EMF signal •ElectroMotive Forces (EMF) on BF shell: - Extraction of liquid level component from the EMF signal at Cleveland BF6 Estimated thermal component Estimated liquid level component Estimated thermal component •Strains on BF shell: -Estimate of hot metal and slag levels from Finite Element Method at Fos BF1 0 05/10/2008 51 (m) 10 9 8 7 6 5 4 3 2 1 REFERENCE Slag arrival -00:05 +00:05 +00:15 Intercast I Tuyeres level Taphole Bottom +00:25 +00:35 +00:45 +00:55 +01:05 +01:15 +01:25 +01:35 +01:45 Intercast II +01:55 +02:05 +02:15 +02:20 +02:30 +02:40 +02:50 +03:05 +03:15 +03:25 +03:35 +03:45 +03:55
Profit /Innovation Know your process better –Burden distribution simulations • Use of Discrete Element Method (DEM) – enough amount to keep realistic, and computation time reasonable • Can be used to validate single particle models • Compares well with painted bar measurements 05/10/2008 52
- 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 and 50: Profit /Innovation Design tools for
- Page 51: 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 –liquid level in BF<br />
hearths<br />
1 ,2<br />
1<br />
S t<strong>at</strong>ic p su m e as u rem e n t <strong>at</strong> F o s B F # 1<br />
St<strong>at</strong>ic pressure evolution <strong>at</strong> Fos BF1<br />
•St<strong>at</strong>ic Pressure measurement<br />
P<br />
slag<br />
St<strong>at</strong>ic pressure (bar)<br />
0 ,8<br />
0 ,6<br />
0 ,4<br />
hot metal<br />
0 ,2<br />
N 2<br />
Q<br />
0<br />
1 2 :0 0 1 3 :1 2 1 4 :2 4 1 5 :3 6 1 6 :4 8 1 8 :0 0 1 9 :1 2<br />
Raw EMF signal<br />
•ElectroMotive Forces (EMF) on BF shell:<br />
- Extraction of liquid level component from the EMF<br />
signal <strong>at</strong> Cleveland BF6<br />
Estim<strong>at</strong>ed thermal component<br />
Estim<strong>at</strong>ed liquid level component<br />
Estim<strong>at</strong>ed thermal component<br />
•Strains on BF shell:<br />
-Estim<strong>at</strong>e of hot metal and slag levels from Finite<br />
Element Method <strong>at</strong> Fos BF1<br />
0<br />
05/10/2008 51<br />
(m)<br />
10<br />
9<br />
8<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
REFERENCE<br />
Slag arrival<br />
-00:05<br />
+00:05<br />
+00:15<br />
Intercast I<br />
Tuyeres<br />
level<br />
Taphole<br />
Bottom<br />
+00:25<br />
+00:35<br />
+00:45<br />
+00:55<br />
+01:05<br />
+01:15<br />
+01:25<br />
+01:35<br />
+01:45<br />
Intercast II<br />
+01:55<br />
+02:05<br />
+02:15<br />
+02:20<br />
+02:30<br />
+02:40<br />
+02:50<br />
+03:05<br />
+03:15<br />
+03:25<br />
+03:35<br />
+03:45<br />
+03:55
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