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2 147 043

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IPC

(21) (22)

Application

98122994/02, 1998-12-21

(24)

Start date

1998-12-21

(22)

Actual filing date

1998-12-21

(45)

Published

2000-03-27

(72)

Inventor

Mizin V.G.Komratov Ju.S.Kuzovkov A.Ja.Il'In V.I.Chernushevich A.V.Kuklinskij M.I.Fetisov A.A.Dobosh V.G.

(73)

Holder

Oao Metallurgicheskij Kombinat"

METHOD OF PREPARING FERROSILICOVANADIUM Russian patent published in 2000 - IPC

Abstract RU 2147043 C1

FIELD: ferrous metallurgy. SUBSTANCE: charge consisting of vanadium-containing slag/ferrosilicium/coke mixture is loaded into steel-smelting arch furnace, melted, and smelt is tapped from furnace. Slag is obtained from converter or from open-hearth furnace. Amounts of coke and ferrosilicium are specified within a range of 0.05 to 0.15 depending on amount of vanadium-containing slag in the charge. Once charge is melted, mixture of vanadium-containing slag and aluminum is added into furnace in amounts 0.9-1.0 the weight of charge to provide weight ratio of components to be equal to (0.13-0.20): 1. Before tapping, additional aluminum is added in amounts 0.02 to 0.06 the total weight of slag. EFFECT: increased vanadium recovery and reduced power consumption. 1 tbl

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RU 2 147 043 C1

Authors

Mizin V.G.

Komratov Ju.S.

Kuzovkov A.Ja.

Il'In V.I.

Chernushevich A.V.

Kuklinskij M.I.

Fetisov A.A.

Dobosh V.G.

Dates

2000-03-27—Published

1998-12-21—Filed