Multi-purpose zone controlled blast furnace and method of...

Details Multi-purpose zone controlled blast furnace and method of... Multi-purpose zone controlled blast furnace and method of...

C - Chemistry, Metallurgy

21

B

48/26, 53/41, 39

C21B 7/00 (2006.01) C10J 3/00 (2006.01) C10J 3/08 (2006.01) C21B 5/00 (2006.01)

Patent

CA 1165568

ABSTRACT The improved multi-purpose zone controlled blast furnace and method of producing hot metal, gases and slags relates to the functioning of a blast furnace as a high capacity hot metal or re- ducing gas producing unit. Methods are known for reducing "solution loss" by injecting reducing gas Into a blast furnace, and for genera- ting reducing gas from low cost material. However, the effectiveness of these methods Is reduced by "solution loss" and excessive costs. The present invention overcomes these deficiencies by produc- ing a reducing gas substantially free of CO2 and H2O in a blast furnace from low cost materials and introducing such reducing gas substantially free of CO2 and H2O into the side of a blast furnace to substantially avoid "solution loss".

379546

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