BLAST FURNACE AND METHOD OF ITS OPERATION Russian patent published in 1995 - IPC

Abstract RU 2034030 C1

FIELD: metallurgy. SUBSTANCE: blast furnace is operated with small amount of coke or without coke at all, in which air of air-oxygen mixture is heated in electrical heater and blown in gas generator, filled with low-grade coal. Produced in it gas, presented mainly by mixture of carbon oxide and nitrogen with addition of hydrogen and methane, is blown in blast furnace, in which part of it is burnt and the rest is used to restore iron from iron-ore oxides and, as a result of it, to produce pig-iron. EFFECT: blast furnace and method of its operation are used in metallurgy. 7 cl, 3 dwg

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RU 2 034 030 C1

Authors

Tsivinskij S.V.

Ehdemskij V.M.

Dates

1995-04-30—Published

1991-04-12—Filed