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Application

2000117203/02, 2000-06-27

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Start date

2000-06-27

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Actual filing date

2000-06-27

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Published

2001-08-27

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Inventor

Rashnikov V.F.Morozov A.A.Takhautdinov R.S.Karpov E.V.Terent'Ev V.L.Vdovin K.N.Sibagatullin S.K.Kolokol'Tsev V.M.Lezhnev G.P.Kulakovskij V.T.

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Holder

Vdovin Konstantin Nikolaevich

METHOD OF BLAST-FURNACE SMELTING Russian patent published in 2001 - IPC

Abstract RU 2172780 C1

FIELD: metallurgy, more precisely, pig iron smelting in blast furnace. SUBSTANCE: method consists in introduction of sinter together with pellets featuring basicity of 0.3-0.5 and Fe/Al₂O₃ ratio within 180-280 into blast furnace burden. Content of pellets in iron-ore burden is calculated by offered formula. Process is organized so that ratio of slag basicity B= (CaO+MgO)/(SiO₂+Al₂O₃) and aluminosilicon module Mas=(Al₂O₃/SiO₂) shall be within 4-5.5. EFFECT: reduced content of sulfur in pig iron and specific consumption of coke. 1 ex

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RU 2 172 780 C1

Authors

Rashnikov V.F.

Morozov A.A.

Takhautdinov R.S.

Karpov E.V.

Terent'Ev V.L.

Vdovin K.N.

Sibagatullin S.K.

Kolokol'Tsev V.M.

Lezhnev G.P.

Kulakovskij V.T.

Dates

2001-08-27—Published

2000-06-27—Filed