METHOD OF BLAST-FURNACE SMELTING

METHOD OF BLAST-FURNACE SMELTING

ferrous metallurgy; applicable in smelting of pig iron with low content of sulfur. SUBSTANCE: method includes charging into blast furnace or iron ore burden containing pellets with basicity of 0.3-0.5 and sinter; introduction into burden of coke and fluxes. Charged into blast furnace are pellets in...

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Hauptverfasser: TERENT'EV V.L, VDOVIN K.N, KOLOKOL'TSEV V.M, RASHNIKOV V.F, KARPOV E.V, MOROZOV A.A, LEZHNEV G.P, TAKHAUTDINOV R.S, SIBAGATULLIN S.K
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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creator TERENT'EV V.L
VDOVIN K.N
KOLOKOL'TSEV V.M
RASHNIKOV V.F
KARPOV E.V
MOROZOV A.A
LEZHNEV G.P
TAKHAUTDINOV R.S
SIBAGATULLIN S.K
description ferrous metallurgy; applicable in smelting of pig iron with low content of sulfur. SUBSTANCE: method includes charging into blast furnace or iron ore burden containing pellets with basicity of 0.3-0.5 and sinter; introduction into burden of coke and fluxes. Charged into blast furnace are pellets in amount of 30-70% of total iron ore burden. Fluxes are used in the form of domolite, limestone and line in ratio of 1.0:(3.5-3.6):(0.5-0.6) and introduced into sinter. Total consumption of fluxes per ton of pig iron and sinter basicity by (CaO+MgO)/(SiO2+Al2O3) are determined by definite expressions. EFFECT: low content of sulfur, reduced consumption of coke and increased productivity of blast furnace. 2 tbl, 1 ex
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subjects CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
title METHOD OF BLAST-FURNACE SMELTING
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