Method for oxygen injection in metallurgical process...

Details Method for oxygen injection in metallurgical process... Method for oxygen injection in metallurgical process...

2005-08-02

2005-08-02

Andrews, Melvyn (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Processes

Process control responsive to sensed condition

C266S083000

Reexamination Certificate

active

06923843

ABSTRACT:
A method of processing molten metal by the injection of oxygen through a water cooled supersonic oxygen injection lance. In the first step of the process, oxygen is injected through the injection lance at an initial flowrate to the process which is the optimal flowrate for the lance tip design. Thereafter, at least one process variable relating to the required oxygen flowrate is continuously measured, and oxygen flowrate may be reduced. A second gas flowrate is admixed to the injection lance to maintain the optimal overall gas flowrate to the process while reducing the oxygen flowrate.

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