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2 092 577

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IPC

(21) (22)

Application

95111528/02, 1995-07-05

(22)

Actual filing date

1995-07-05

(45)

Published

1997-10-10

(72)

Inventor

Martynenko A.K.Korolev M.G.Rjabov V.V.Kurdjukov V.N.Krasnikov Ju.Ja.Kovalev A.N.Lebedev V.I.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD AND DEVICE FOR TREATING STEEL IN LADLE Russian patent published in 1997 - IPC

Abstract RU 2092577 C1

FIELD: metallurgical industry. SUBSTANCE: this is used for treating steel in ladle by introducing aluminium wire below top level of metal through passage of immersed refractory sleeve with simultaneous delivery into passage of neutral gas at flow rate equal to 0.06-0.45 cu.m/h per 1 t of steel at aluminium wire moving speed within 2-12 m/s. Device for realizing this method has rotating base, and mounted on this base are power-driven feeding units, guide and driven rollers and also guide pipe for wire, and fastened to this pipe is refractory sleeve with pipeline connected to it. EFFECT: high efficiency. 2 cl, 1 tbl, 1 dwg

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RU 2 092 577 C1

Authors

Martynenko A.K.

Korolev M.G.

Rjabov V.V.

Kurdjukov V.N.

Krasnikov Ju.Ja.

Kovalev A.N.

Lebedev V.I.

Dates

1997-10-10—Published

1995-07-05—Filed