METHOD OF HEAT COOLING IN CONVERTER

METHOD OF HEAT COOLING IN CONVERTER

FIELD: ferrous metallurgy, production of steel in oxygen converters in particular. SUBSTANCE: method of heat cooling in converter includes addition of calcium- and carbon-carrying materials on to overheated metal with slag to cool it to specified temperature of heat tapping. Limestone is used as cal...

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Hauptverfasser: FOGEL'ZANG I.I, ZINCHENKO S.D, CHUMAKOV S.M, BALTASHOV V.M, DAVYDOV JU.N
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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creator FOGEL'ZANG I.I
ZINCHENKO S.D
CHUMAKOV S.M
BALTASHOV V.M
DAVYDOV JU.N
description FIELD: ferrous metallurgy, production of steel in oxygen converters in particular. SUBSTANCE: method of heat cooling in converter includes addition of calcium- and carbon-carrying materials on to overheated metal with slag to cool it to specified temperature of heat tapping. Limestone is used as calcium-carrying material. Consumption of limestone and carbon-carrying material is kept within limits of (2.5-14.0 ):(1.0-3.0 ) kg/t of steel correspondingly. Content of carbon in carbon-carrying material amounts to 40-95%. Bottom agitation of metal with neutral gas is performed during cooling period. EFFECT: increased productivity, resistance of lining and output of good metal, decreased consumption of deoxidizing agents, alloying and loose materials. 1 cl, 1 tblu
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subjects CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
title METHOD OF HEAT COOLING IN CONVERTER
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