Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1984-08-20
1986-04-29
Andrews, Melvyn J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 5928, 75 38, C21C 538
Patent
active
045854769
ABSTRACT:
Improved method for producing steel with the combination of a basic oxygen furnace and a sponge iron plant. The sponge iron produced with a high carbon content, is loaded into the basic oxygen furnace in which oxygen and any type of powder carbon are injected through the bottom. During the melting and refining process, enough reducing gases are produced to yield all the energy needed to reduce iron ore into sponge iron in a batch process following the basic oxygen furnace cycles or continuous cycles. The gas produced per ton of liquid metal in the basic oxygen furnace is enough to produce iron as sponge iron.
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patent: 4008074 (1977-02-01), Rossner et al.
patent: 4045214 (1977-08-01), Wetzel et al.
patent: 4238226 (1980-12-01), Sanzenbacher et al.
patent: 4412858 (1983-11-01), Viramontes-Brown et al.
patent: 4457777 (1984-07-01), MacGregor et al.
Alcantara Miguel A.
Fernandez-Garcia Jorge
Lazcano-Navarro Arturo
Villasenor-Mejia Antonio
Andrews Melvyn J.
Brown Laurence R.
Instituto Mexicano de Investigaciones Siderurgicas
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