Agglomerates containing olivine for use in blast furnace

Details Agglomerates containing olivine for use in blast furnace Agglomerates containing olivine for use in blast furnace

1985-05-17

1990-10-16

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Compositions

Solid treating composition for liquid metal or charge

75472, C21B 302

Patent

active

049631853

ABSTRACT:
A process for the reduction of iron oxides to produce molten iron in which olivine is introduced into a blast furnace in addition to iron oxide bearing materials and in which there is a high content of alkali metal oxides in the materials charged into the furnace, resulting in minimizing or preventing "scaffolding" and improving the operation of the furnace. The disclosure further includes improvements in which olivine is mixed with iron bearing materials or with coke and such mixture is formed into agglomerates having improved properties and in which such agglomerates are charged into the furnace.

REFERENCES:
patent: 2837419 (1958-06-01), Sellers et al.
patent: 3264091 (1966-08-01), Ban
patent: 3396010 (1968-08-01), Gould
patent: 4518428 (1985-05-01), Ellenbaum et al.
McGannon, Making, Shaping & Treating Steel, 1964, U.S.S., pp. 429-430.

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