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Technical Paper


Figure 10: Wear profile after 4.5 years. (Fos-sur-Mer - ArcelorMittal – blast furnace n°2)


BF level


BF elevation (meter)


01 02 03 04 05 06


5.35 5.95 7.15 8.40 9.80 11.15


Average in-situ measure for GRW (meter)


BF n°1 1.83 1.83 1.67 1.61 1.61 1.41


BF n°2 1.80 1.80 1.56 1.59 1.60 1.43


Average wear evolution for GRW (%)


BF n°1 ≈ 0% ≈ 0% 3% 7% 7%


10%


BF n°2 1% 1%


10% 8% 7%


10%


Average wear evolution for CW (Coranit Al) (%)


BF n°1 ≈ 0% ≈ 0% 13% 30% 30% 41%


Figure 11: Comparative analysis of wear evolution for a same period of time of 4.5 years between BF n°1 and BF n°2 (Fos-sur-Mer – ArcelorMittal)


BF n°2 5% 5%


41% 33% 31% 38%


Figure 12: Stress evolution on BF n°2 steel shell after blow-in. Illustration of maximum stress recorded for level 03 at 7.15 meters July 2017 Issue ENGINEER THE REFRACTORIES 25


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