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2 105 818

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Application

97106314/02, 1997-04-25

(22)

Actual filing date

1997-04-25

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Published

1998-02-27

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Inventor

Aleksandrov B.L.Vatolin N.A.Vorob'Ev N.I.Gavriljuk G.G.Kamenskikh A.A.Komratov Ju.S.Krinochkin Eh.V.Kuzovkov A.Ja.Petrenev V.V.Toporishchev I.G.Shavrin S.V.

(73)

Holder

Petrenev Vladimir Veniaminovich

METHOD OF PYROMETALLURGICAL PROCESSING OF VANADIUM-CONTAINING AND IRON-ORE MATERIALS Russian patent published in 1998 - IPC

Abstract RU 2105818 C1

FIELD: ferrous metallurgy, in particular, methods of processing of vanadium-containing and iron-ore materials with production of steel and recovery of vanadium into slag suitable for further use. SUBSTANCE: method includes charging into blast furnace of pellets, sinter, coke, flux and basic vanadium-containing steel or basic vanadium-containing steel-melting slag as flux and vanadium-containing material. Vanadium iron is smelted and processed in steel-melting unit with recovery of vanadium into acid slag. Iron is preliminarily processed in steel-melting unit by monoprocess with vanadium recovery into basic vanadium-containing steel-melting slag. It is charged into blast furnace as vanadium-containing material and flux. Vanadium iron is smelted and processed in steel-melting unit to produce acid slag with high content of vanadium. Basic vanadium-containing steel-melting slag is produced with CaO/SiOSiO2 within 2.8-4.0. When blast furnace is charged with pellets, sinter which do not contain vanadium and basic vanadium-containing steel-melting slag, iron is smelted with vanadium content up to 0.45 wt.-%. When charge includes basic vanadium-containing steel-melting slag and vanadium-containing pellets and sinter, iron is smelted with vanadium-content ranging from 0.45 to 1.0 wt.-%. EFFECT: reduced consumption of coke and higher output of blast furnace by 2-3% and production of commercial vanadium slag with new service properties. 4 cl, 1 tbl

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RU 2 105 818 C1

Authors

Aleksandrov B.L.

Vatolin N.A.

Vorob'Ev N.I.

Gavriljuk G.G.

Kamenskikh A.A.

Komratov Ju.S.

Krinochkin Eh.V.

Kuzovkov A.Ja.

Petrenev V.V.

Toporishchev I.G.

Shavrin S.V.

Dates

1998-02-27—Published

1997-04-25—Filed

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