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2 219 450

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Application

2002114032/02, 2002-05-29

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Start date

2002-05-29

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Actual filing date

2002-05-29

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Published

2003-12-20

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Inventor

Grachev V.A.Chernyj A.A.Krest'Janov V.I.Pirogov V.I.Bakuma S.S.Valisov V.V.Vestfal'Skij E.A.Morgunov V.N.

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Holder

Penzenskij Gosudarstvennyj Universitet

BED REFRACTORY CHARGE FOR IRON-MELTING GAS CUPOLA Russian patent published in 2003 - IPC

Abstract RU 2219450 C1

FIELD: metallurgy; melting iron in gas cupolas. SUBSTANCE: bed refractory charge is made in form of lumps of carbon-containing material at fraction of 100-300 mm with carbon graphite material consisting of 35-40% of thermoanthracite and 60-65% of graphite formed during mechanical treatment of blanks of graphitized products molded and sintered at temperature of 1300-1350 C. EFFECT: reduction of cost of bed charge and cast iron by 20-25%.

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RU 2 219 450 C1

Authors

Grachev V.A.

Chernyj A.A.

Krest'Janov V.I.

Pirogov V.I.

Bakuma S.S.

Valisov V.V.

Vestfal'Skij E.A.

Morgunov V.N.

Dates

2003-12-20—Published

2002-05-29—Filed