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Application

98122984/02, 1998-12-17

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Start date

1998-12-17

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Actual filing date

1998-12-17

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Published

1999-11-20

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Inventor

Alekseev B.A.Smirnov L.A.Bukseev V.V.Chumakov S.M.Shkol'Nik Ja.Sh.Popov V.L.Kobelev V.A.Orlov E.P.Potanin V.N.Mil'Berger T.G.Demidov K.N.Demichev G.A.Kuznetsov S.I.Zinchenko S.D.Vozchikov A.P.

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Holder

Otkrytoe Aktsionernoe Obshchestvo Aljuminij"Otkrytoe Aktsionernoe Obshchestvo Institut Metallov"Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PRODUCTION OF LIME-MAGNESIAN FLUX Russian patent published in 1999 - IPC

Abstract RU 2141535 C1

FIELD: metallurgy. SUBSTANCE: method includes mixing of components including dolomite and iron-containing material by their combined wet grinding to obtain material with specific surface of 2500-3000 sq.sm/g; roasting of produced mixture in rotary furnace in oxidizing atmosphere at temperature of 1360-1450 C. Produced flux contains iron oxides in amount of 5-15%. In this case, with amount of iron oxides in flux exceeding the specified values, roasting temperature is reduced by 10% per cent of its increase. After cooling, fraction sizing less than 5 mm is separated from flux and returned to rotary furnace. EFFECT: produced lumpy flux, not destructible in transportation and storage, Suitable for converters with magnesite lining, minimum power consumption. 2 cl, 2 tbl

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RU 2 141 535 C1

Authors

Alekseev B.A.

Smirnov L.A.

Bukseev V.V.

Chumakov S.M.

Shkol'Nik Ja.Sh.

Popov V.L.

Kobelev V.A.

Orlov E.P.

Potanin V.N.

Mil'Berger T.G.

Demidov K.N.

Demichev G.A.

Kuznetsov S.I.

Zinchenko S.D.

Vozchikov A.P.

Dates

1999-11-20—Published

1998-12-17—Filed

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