Mill arrangement with primary gas mixing means

Details Mill arrangement with primary gas mixing means Mill arrangement with primary gas mixing means

1987-07-30

1989-12-26

Andrews, Melvyn J.

Metallurgical apparatus

Geographic or structural installation

75 35, 75 46, 266144, 266156, 266160, F27B 1904

Patent

active

048893234

ABSTRACT:
There is described a mill for the production of steel from liquid and solid charging substances. It includes a coking plant, a blast furnace plant, a converter steelworks, and a plant for the direct reduction of iron ore. The converter steelworks is charged with molten pig iron from the blast furnace and with scrap as well as with sponge iron from the direct reduction plant. The reduction gas is composed of converter offgas, top gas and blast furnace gas. In order to avoid coal deposits in the direct reduction plant and to improve the composition of the reduction gas, the coke oven gas component is subjected to fractionation by alternating pressure adsorption so as to increase its portion of hydrogen and to lower its portion of hydrocarbons.

REFERENCES:
patent: 3430418 (1969-03-01), Wagner
patent: 4235624 (1980-11-01), Wagener et al.
patent: 4363654 (1982-12-01), Frederick et al.
patent: 4430116 (1984-02-01), Yamazaki et al.
patent: 4589888 (1986-05-01), Hiscock et al.
patent: 4690387 (1987-09-01), Rockenshaub et al.
Pottken et al., "Stahl and Eisen", vol. 95, No. 3, pp. 91-99 (1975).
Riquarts et al., "Linde Berichte aus Technik und Wissenschaft", No. 57 (1985), partial translation.

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