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(19)

(11)

2 073 729

(13)

(51)

IPC

(21) (22)

Application

93007145/02, 1993-02-04

(22)

Actual filing date

1993-02-04

(45)

Published

1997-02-20

(72)

Inventor

Polzunov Oleg AleksandrovichKukhtin Mikhail VadimovichCheremnykh Vladimir Pavlovich

(73)

Holder

Polzunov Oleg AleksandrovichKukhtin Mikhail VadimovichCheremnykh Vladimir Pavlovich

METHOD OF REFINING STEEL Russian patent published in 1997 - IPC

Abstract RU 2073729 C1

FIELD: metallurgy. SUBSTANCE: invention relates to extrafurnace processing of steel. Steel is subjected to jet evacuation under cavitation conditions providing minimum oxygen potential, and rare metals (0.15-0.70%) are introduced on the bottom of receiving container or intermediate funnel. EFFECT: enhanced efficiency. 1 tbl

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RU 2 073 729 C1

Authors

Polzunov Oleg Aleksandrovich

Kukhtin Mikhail Vadimovich

Cheremnykh Vladimir Pavlovich

Dates

1997-02-20—Published

1993-02-04—Filed