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2 108 400

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IPC

(21) (22)

Application

96122479/02, 1996-11-26

(22)

Actual filing date

1996-11-26

(45)

Published

1998-04-10

(72)

Inventor

Komratov Ju.S.Arshanskij M.I.Khripko V.I.Odinokov S.F.Fetisov A.A.Kuzovkov A.Ja.Rovnushkin V.A.Spirin V.A.Smirnov L.A.Ryskina S.G.Chernavin S.B.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR STEEL AFTERTREATMENT Russian patent published in 1998 - IPC

Abstract RU 2108400 C1

FIELD: ferrous metallurgy. SUBSTANCE: method includes steel treatment on the furnace-ladle unit with use of solid slag-forming bland consisting of lime and slag of ferrochromiun production with total content of chromium in the form of its compounds of 1.1-2.5% and ratio of Al₂O₃:Cr₂O₃=4-20. Formed slag with optimal fluidity and viscosity ensures 50% desulfurization of metal. After degassing formed on vacuumizer branch pipes is stable lining slag which excludes frequent pneumatic concrete spraying. EFFECT: higher efficiency. 1 tbl

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RU 2 108 400 C1

Authors

Komratov Ju.S.

Arshanskij M.I.

Khripko V.I.

Odinokov S.F.

Fetisov A.A.

Kuzovkov A.Ja.

Rovnushkin V.A.

Spirin V.A.

Smirnov L.A.

Ryskina S.G.

Chernavin S.B.

Dates

1998-04-10—Published

1996-11-26—Filed