METHOD FOR BLAST-FURNACE SMELTING ON MAGNESIA-ALUMINOUS SLAGS

METHOD FOR BLAST-FURNACE SMELTING ON MAGNESIA-ALUMINOUS SLAGS

FIELD: technological processes; metallurgy. ^ SUBSTANCE: invention is related to ferrous metallurgy and may be used in blast-furnace production. Method for smelting on magnesia-aluminous slags with content of Al2O3 and MgO from 5 to 20% of each component includes charge loading, insufflation of high...

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Hauptverfasser: GIL'MANOV MARAT RIMATOVICH, KUSHNAREV ALEKSEJ VLADISLAVOVICH, BOBROV VLADIMIR PAVLOVICH, SUKHAREV ANATOLIJ GRIGOR'EVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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creator GIL'MANOV MARAT RIMATOVICH
KUSHNAREV ALEKSEJ VLADISLAVOVICH
BOBROV VLADIMIR PAVLOVICH
SUKHAREV ANATOLIJ GRIGOR'EVICH
description FIELD: technological processes; metallurgy. ^ SUBSTANCE: invention is related to ferrous metallurgy and may be used in blast-furnace production. Method for smelting on magnesia-aluminous slags with content of Al2O3 and MgO from 5 to 20% of each component includes charge loading, insufflation of high-temperature combined blast with application of aluminous and magnesia additives. Iron-ore charge is formed with silicon module SiO2/Al2O3 within the limits of 2.2-2.5 and with magnesia index of MgO/(CaO+MgO) within the limits of 0.30-0.35, and as a result low-sulfury cast iron is produced with lowered basicity of slag CaO/SiO2, equal to 0.78-0.92. ^ EFFECT: higher castable and sulfur-absorbing capacity of slag at its reduced basicity. ^ 2 tbl
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subjects CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
title METHOD FOR BLAST-FURNACE SMELTING ON MAGNESIA-ALUMINOUS SLAGS
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