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2 215 047

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(51)

IPC

(21) (22)

Application

2001134911/02, 2001-12-25

(24)

Start date

2001-12-25

(22)

Actual filing date

2001-12-25

(45)

Published

2003-10-27

(72)

Inventor

Korolev M.G.Jaroshenko A.V.Lavrov V.A.Skuridin A.M.Dagman A.I.Budjukin A.A.Vasjutin A.N.Kozlov D.D.Lebedev V.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

DEVICE FOR CIRCULATING DEGASSING OF STEEL Russian patent published in 2003 - IPC

Abstract RU 2215047 C2

FIELD: ferrous metallurgy; treatment of steel beyond furnace in ladle by circulating degassing. SUBSTANCE: proposed device includes vacuum chamber with suction and drain branch pipes, pipe line connected with suction branch pipe and water-cooled oxygen tuyere mounted in working cavity of vacuum chamber. Vacuum chamber is additionally provided with water-cooled gas tuyere. Oxygen and gas tuyeres are mounted in diametral horizontal plane of working cavity of vacuum chamber and are provided with respective drives for performing reciprocating and rotary motion. Outlet nozzles of tuyeres are perpendicular to their longitudinal axis. EFFECT: enhanced efficiency; possibility of heating lining during inter-melt periods. 3 dwg, 1 ex

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RU 2 215 047 C2

Authors

Korolev M.G.

Jaroshenko A.V.

Lavrov V.A.

Skuridin A.M.

Dagman A.I.

Budjukin A.A.

Vasjutin A.N.

Kozlov D.D.

Lebedev V.I.

Dates

2003-10-27—Published

2001-12-25—Filed