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2 089 620

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Application

95111547/02, 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.Zemesov I.A.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

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

Abstract RU 2089620 C1

FIELD: metallurgy, particular, metal treatment in ladle. SUBSTANCE: the offered device includes metal tube with refractory shell and plug at the end. Made over height of device is 1-4 rows from 3-6 inclined downward side through holes uniformly spaced over shell perimeter and closed on the side of outlet ends with stoppers of low-melting material. Angle of hole inclination to the axis of device is 10-80 dwg, and total sectional area of through holes amounts to 0.80-095 of sectional area of tube channel. EFFECT: higher efficiency. 2 dwg, 1 tbl

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RU 2 089 620 C1

Authors

Martynenko A.K.

Korolev M.G.

Rjabov V.V.

Kurdjukov V.N.

Krasnikov Ju.Ja.

Kovalev A.N.

Lebedev V.I.

Zemesov I.A.

Dates

1997-09-10—Published

1995-07-05—Filed

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