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2 365 639

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(51)

IPC

C22B1/16(2006-01-01)

(21) (22)

Application

2006117344/02, 2004-09-16

(24)

Start date

2004-09-16

(22)

Actual filing date

2004-09-16

(45)

Published

2009-08-27

(72)

Inventor

Margan Mutkhukumarasvami K.Rokhanna Mark A.Das Binod K.Kumar AshokSandkhu Khardzhit S.

(73)

Holder

Dzhi I Betz, Ink.

AGGLOMERATION BY ADDING REINFORCING AGENT INTO SINTERING MIXTURE Russian patent published in 2009 - IPC C22B1/16

Abstract RU 2365639 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to an improved method of agglomeration of mineral ores used in the blast furnace. A layer of sintering mixture composed of fine particles containing the ore and fuel is sintered by lighting the mixture in order to obtain porous sintered lumps, followed by their crushing to reach adequate sizes of the lumps and cooling the particles obtained after crushing. An aqueous solution of transition metal sulphate or barium sulphate is introduced in the sintering mixture with concentration of 5-35 particles per a million at the rate of 5-100 ml per a ton of the sintering mixture. The transition metal sulphate is taken out from the group composed of copper sulphate, manganese sulphate and ferric sulphate.

EFFECT: faster sintering.

2 cl, 1 tbl

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RU 2 365 639 C2

Authors

Margan Mutkhukumarasvami K.

Rokhanna Mark A.

Das Binod K.

Kumar Ashok

Sandkhu Khardzhit S.

Dates

2009-08-27—Published

2004-09-16—Filed