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2 083 682

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IPC

(21) (22)

Application

94044821/02, 1994-12-21

(22)

Actual filing date

1994-12-21

(45)

Published

1997-07-10

(72)

Inventor

Roldugin G.N.Rjabov V.V.Safonov I.V.Zakharov D.V.Lebedev V.I.Nyrkov N.I.Bokachev A.I.Il'In Ju.A.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

LANCE FOR METAL BLOWING Russian patent published in 1997 - IPC

Abstract RU 2083682 C1

FIELD: metallurgy, melting of metal in converters. SUBSTANCE: the offered oxygen lance for metal blowing in converter has three concentric pipes with lance head on their ends. Lance head consists of outer and inner plates and nozzles installed in them and inclined at angle to longitudinal axis of lance. Inlet end of each nozzle protrudes above surface of inner plate through, at least, 0.05-0.3 of the smallest diameter of nozzle and inclined to axis of outlet part of nozzle at 75-89 deg. Axis of inlet part of nozzle is inclined towards longitudinal axis of lance and makes and angle to axis of outlet part of nozzle within 0.5-10 deg. EFFECT: higher efficiency and stability of melt blowing. 1 dwg, 1 tbl

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RU 2 083 682 C1

Authors

Roldugin G.N.

Rjabov V.V.

Safonov I.V.

Zakharov D.V.

Lebedev V.I.

Nyrkov N.I.

Bokachev A.I.

Il'In Ju.A.

Dates

1997-07-10—Published

1994-12-21—Filed