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2 088 673

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Application

5044107/02, 1992-05-26

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Actual filing date

1992-05-26

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Published

1997-08-27

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Inventor

Agaryshev A.I.Molchanov O.E.Nechaev E.A.Perfil'Ev V.G.Kozlov G.S.Grigor'Ev N.S.Liventsev V.P.Ujmanov V.A.Bobylev S.M.Safronov I.A.Torokhov V.G.Demichev Ju.M.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF BLOWING METAL WITH OXYGEN IN ARC STEEL-SMELTING FURNACE Russian patent published in 1997 - IPC

Abstract RU 2088673 C1

FIELD: ferrous metallurgy. SUBSTANCE: oxygen is fed into arc steel- smelting furnace through arc-shaped water-cooled lance installed in side wall of furnace. Angle of slope of head axis of blowing lance relative to horizontal and oxygen feed rate are varied in the ranges 0-90 deg and 100-3500 cu.m/h in fusion period; 80-70 deg. and 1500- 4000 cu.m/h in the beginning of oxidation period; and 70-60 deg. and 750-2000 cu.m/h after commencement of intense boiling of fusion until blowing is terminated. EFFECT: increased productivity and reduced power consumption and usage of refractories. 1 tbl, 1 ex

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RU 2 088 673 C1

Authors

Agaryshev A.I.

Molchanov O.E.

Nechaev E.A.

Perfil'Ev V.G.

Kozlov G.S.

Grigor'Ev N.S.

Liventsev V.P.

Ujmanov V.A.

Bobylev S.M.

Safronov I.A.

Torokhov V.G.

Demichev Ju.M.

Dates

1997-08-27—Published

1992-05-26—Filed

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