Method and a means for introducing close-grained carbonaceous fu

Details Method and a means for introducing close-grained carbonaceous fu Method and a means for introducing close-grained carbonaceous fu

1980-08-11

1982-05-18

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 52, 75 59, C21C 534

Patent

active

043303269

ABSTRACT:
A method and a means for introducing close-grained carbonaceous fuels, which are suspended in a carrier gas, and oxygen into a molten iron bath are described.
In this method the fuel and the oxygen can be alternately introduced through the same introduction passage of a tuyere into a molten iron bath below the surface of the bath.
The means provides for alternate supply of fuel or oxygen and is regulated by means of the oxygen line pressure.

REFERENCES:
patent: 3751242 (1973-08-01), Knuppel
patent: 4045213 (1977-08-01), Leroy
patent: 4089677 (1978-05-01), Spenceley

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