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- W86545085 abstract "ILVA decided to introduce PCI (Pulverized Coal Injection) to reduce the cost of hot metal by using non-coking coal, reducing purchased coke and closing down of aged coke batteries. Also by producing less coke, more time would be available for repair and rebuilding of existing batteries. Coal injection started at Taranto blast furnaces Nos. 4, 2, 5 and 1 in September, October, November, 1991 and January, 1992 respectively. A central grinding and injection station supplies coal to the blast furnaces. The hot metal capacity of these furnaces amounts to 28,000 t per day altogether. With a specific injection rate of 200 kg/thm for each blast furnace, in total 234 t of fine coal per hour is ground and injected. Plant concept is based on the latest development in pneumatic conveying and injection technique developed by Kst Stahltechnik. PCI project was an important contribution to ILVA philosophy of green production of iron making aiming at replacing 35% of coke production by PCI. Energy saving also leads to less dependence on foreign energy market and better energy balance in the plant. Economic evaluation study revealed that injection level of 150 kg per thm will result in reduction of total cost of fuelmore » by 16% and that of hot metal by 5%.« less" @default.
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- W86545085 date "1993-01-01" @default.
- W86545085 modified "2023-09-27" @default.
- W86545085 title "An integrated coal injection system for blast furnace at ILVA Taranto" @default.
- W86545085 hasPublicationYear "1993" @default.
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