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2 098 226

(13)

C1

(51)

IPC

(21) (22)

Application

96113490/02, 1996-07-02

(22)

Actual filing date

1996-07-02

(45)

Published

1997-12-10

(72)

Inventor

Umanets V.I.Lebedev V.I.Dagman A.I.Pervushin G.V.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

DEVICE FOR CONTINUOUS DEGASSAING OF METAL AT CONTINUOUS CASTING Russian patent published in 1997 - IPC

Abstract RU 2098226 C1

FIELD: metallurgy, in particular, continuous casting of metals. SUBSTANCE: device uses a casting ladle hermetically joined to a lined vacuum chamber furnished with a vacuum line and a drain branch pipe installed in its bottom and entering the working space of the intermediate ladle furnished with elongated ladle nozzles entering the moulds. The lining inner surface of the vacuum chamber at the height of the side walls has projections arranged in a helix at an angle of 5 to 15oin length equal to 0.6 to 0.8 of the total height of the vacuum chamber working space. The width of each projection makes up 0.06 to 0.08 of the vacuum chamber inner space, and the height of each projection makes up 0.8 to 1.2 of the chamber width. EFFECT: enhanced efficiency of continuous degassing of metal at continuous casting. 1 dwg, 1 tbl

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RU 2 098 226 C1

Authors

Umanets V.I.

Lebedev V.I.

Dagman A.I.

Pervushin G.V.

Dates

1997-12-10—Published

1996-07-02—Filed

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