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2 094 479

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IPC

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Application

95111025/02, 1995-06-27

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Actual filing date

1995-06-27

(45)

Published

1997-10-27

(72)

Inventor

Moskalenko V.A.Mjannik A.G.Tarynin N.G.Kulakov V.V.Shipilov V.A.Petroshen' Ju.P.Kankov O.V.Velitok V.A.Shalamov A.V.Kulikov V.V.Skachkov O.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF SMELTING STEEL IN ARC FURNACES Russian patent published in 1997 - IPC

Abstract RU 2094479 C1

FIELD: steelmaking. SUBSTANCE: method involves smelting metal in furnace followed by heating it to predetermined temperature, tapping metal into steel- teeming ladle with alumina-containing lining, finally adjusting chemical composition of metal in ladle, and casting steel into blanks on continuous casting machine through intermediate ladle using, in different smeltings, alternating use of intermediate ladles with cold and hot linings. Novelty consists in that, when using intermediate ladle with cold lining, metal in furnace is heated to 1690-1740 C and tapped into steel-teeming ladle with high-alumina lining, whereas, when hot-lining intermediate ladle is used, metal in furnace is heated to 1660-1690 C and tapped into steel-teeming ladle with its lower part made of chamotte lining and upper part of periclase-chromite refractory material. Each fourth smelting is performed with cold- lining intermediate ladle and remaining three with hot-lining one. EFFECT: enhanced efficiency of process. 2 cl, 2 tbl

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RU 2 094 479 C1

Authors

Moskalenko V.A.

Mjannik A.G.

Tarynin N.G.

Kulakov V.V.

Shipilov V.A.

Petroshen' Ju.P.

Kankov O.V.

Velitok V.A.

Shalamov A.V.

Kulikov V.V.

Skachkov O.A.

Dates

1997-10-27—Published

1995-06-27—Filed