Method of controlling the stirring strength and flow rate of a j

Details Method of controlling the stirring strength and flow rate of a j Method of controlling the stirring strength and flow rate of a j

1986-11-21

1988-03-22

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5915, 266 81, 266 87, 266 89, C21C 700

Patent

active

047326077

ABSTRACT:
A method of controlling independently of each other the stirring strength of a jet of oxygen gas and the flow rate of the oxygen gas to be blown onto a molten metal bath in a top-blowing oxygen furnace is disclosed. The method comprises providing an oxygen supplying conduit with a means of detecting the temperature of the supplied oxygen gas, a means of detecting the pressure thereof, and a means of heat-exchanging with the supplied oxygen gas, controlling the temperature and pressure of the oxygen supplied so that the stirring strength of the jet of oxygen gas and/or the flow rate of the oxygen gas are controlled independently of each other with the top-blowing lance being kept at a predetermined position.

REFERENCES:
patent: 3540879 (1970-11-01), Carlson
patent: 3598386 (1971-08-01), Murphy
patent: 3837841 (1974-09-01), Kutscher
patent: 3871871 (1975-03-01), Denis

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