Smelting shaft furnaces for iron making and their operation

Details Smelting shaft furnaces for iron making and their operation Smelting shaft furnaces for iron making and their operation

C - Chemistry, Metallurgy

21

B

53/44

C21B 5/06 (2006.01) C21B 5/00 (2006.01) C21B 13/02 (2006.01)

Patent

CA 1280610

ABSTRACT -------- Improvements in or relating to Ironmaking by means of a Smelting Shaft Furnace The invention provides a method of ironmaking by means a smelting shaft furnace including the steps of supplying iron ore and coke to the top of the furnace; and injecting coal and oxygen into the smelting zone of the furnace to promote combustion, to control reaction temperature and provide heat for smelting, the quantities of coal and oxygen injections being within the range of 0.7 to 1.7 of stochiometric conditions with respect to combustion to carbon monoxide and hydrogen.

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