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2 089 621

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C1

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IPC

(21) (22)

Application

95111548/02, 1995-07-05

(22)

Actual filing date

1995-07-05

(45)

Published

1997-09-10

(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"

DEVICE FOR METAL BLOWING IN LADLE WITH NEUTRAL GAS Russian patent published in 1997 - IPC

Abstract RU 2089621 C1

FIELD: metallurgy, particular, ladle treatment of metal. SUBSTANCE: the offered device has metal tube with refracting shell and plug at the end. Made over height of device is 1-4 rows of 3-6 side porous plugs uniformly spaced over shell perimeter and communicated with tube channel through branch pipes. In this case, total area of cross-section of branch pipes equals 0.7-0.9 of cross-sectional area of tube channel. EFFECT: higher efficiency. 2 dwg, 1 tbl

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RU 2 089 621 C1

Authors

Martynenko A.K.

Korolev M.G.

Rjabov V.V.

Kurdjukov V.N.

Krasnikov Ju.Ja.

Kovalev A.N.

Lebedev V.I.

Dates

1997-09-10—Published

1995-07-05—Filed

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