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2 255 113

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IPC

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Application

2003135257/02, 2003-12-03

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Start date

2003-12-03

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Actual filing date

2003-12-03

(45)

Published

2005-06-27

(72)

Inventor

Marsuverskij B.A.Zakharov A.V.Loginov V.N.Netronin V.I.Sukhanov M.Ju.Gurkin M.A.Lazutkin S.E.Vasil'Ev A.P.Mjagdeev V.F.Vasil'Ev L.E.Karimov M.M.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PERFORMING BLAST FURNACE SMELTING Russian patent published in 2005 - IPC

Abstract RU 2255113 C1

FIELD: metallurgy of ferrous metals; methods of control of blast furnace smelting process.

SUBSTANCE: proposed method includes continuous determination of pressure differentials of gas and charge in zone of material flow, comparison of radii of area of material flow and working profile of furnace at distance of 1.1-3.0 of height of bosh from axis of air lances; if different in radii of zone of material flow and working profile is equal to zero, coefficient of active weight of charge in upper half of shaft is reduced by 0.02-0.10.

EFFECT: increased productivity at reduced overhaul period.

1 dwg, 2 tbl

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RU 2 255 113 C1

Authors

Marsuverskij B.A.

Zakharov A.V.

Loginov V.N.

Netronin V.I.

Sukhanov M.Ju.

Gurkin M.A.

Lazutkin S.E.

Vasil'Ev A.P.

Mjagdeev V.F.

Vasil'Ev L.E.

Karimov M.M.

Dates

2005-06-27—Published

2003-12-03—Filed