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2 153 000

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Application

99112834/02, 1999-06-15

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Start date

1999-06-15

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Actual filing date

1999-06-15

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Published

2000-07-20

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Inventor

Kozoderov V.I.Kaporulin V.V.Emel'Janov V.L.Al'Ter M.A.Kuznetsov N.A.Grigor'Ev V.N.Jarikov I.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

BLAST FURNACE OPERATION METHOD Russian patent published in 2000 - IPC

Abstract RU 2153000 C1

FIELD: ferrous metallurgy, namely, blast furnace operation processes. SUBSTANCE: method comprises steps of correcting coke flowrate while using variable-humidity coke at operation of blast furnace with oxygen-riched hot blast; when temperature of blast furnace gas is lower than predetermined level at correcting coke flowrate, continuously for each 1% of humidity fluctuation of charge materials from its base value changing inversely oxygen concentration of blast by 0.5-0.8 abs.% of its initial level; limiting change of oxygen concentration of oxygen blast by value of 1-5 abs.%. EFFECT: enhanced efficiency of furnace, lowered consumption of coke. 2 cl, 2 ex

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RU 2 153 000 C1

Authors

Kozoderov V.I.

Kaporulin V.V.

Emel'Janov V.L.

Al'Ter M.A.

Kuznetsov N.A.

Grigor'Ev V.N.

Jarikov I.S.

Dates

2000-07-20—Published

1999-06-15—Filed

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