Hot oxygen blast furnace injection system

Details Hot oxygen blast furnace injection system Hot oxygen blast furnace injection system

1997-10-29

2000-07-18

Kastler, Scott

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75466, 266267, C21B 716

Patent

active

060901829

ABSTRACT:
A method for providing a blast stream into a blast furnace wherein fuel and hot oxygen are provided into the blast air, the hot oxygen being at a temperature and velocity each greater than that of the blast air, and wherein the fuel and hot oxygen begin to combust prior to passage into the blast furnace in the blast stream.

REFERENCES:
patent: 4917727 (1990-04-01), Saito et al.
patent: 4985075 (1991-01-01), Ohno et al.
patent: 5266024 (1993-11-01), Anderson
patent: 5451034 (1995-09-01), Ulveiling et al.
patent: 5522916 (1996-06-01), Karinthi et al.
patent: 5582036 (1996-12-01), Drnevich et al.
Campbell et al., "Oxy-coal injection at Cleveland Ironworks", Iron and Steelmaking, pp 120-125, vol. 19 (Dec. 1992).

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