PREREDUCTION FURNACE OF A SMELTING REDUCTION FACILITY OF IRON ORE

The invention relates to a prereduction furnace of a smelting reduction facility of iron ore consisting of a fluidizing prereduction chamber installed at the upper part of the prereduction furnace into which iron ores are fed and prereduced, a gas blowing chamber installed at the lower part of the p...

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Hauptverfasser: MASAHIRO MATSUO, GENJI KANATANI
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creator MASAHIRO MATSUO
GENJI KANATANI
description The invention relates to a prereduction furnace of a smelting reduction facility of iron ore consisting of a fluidizing prereduction chamber installed at the upper part of the prereduction furnace into which iron ores are fed and prereduced, a gas blowing chamber installed at the lower part of the prereduction furnace into which a reducing gas is fed, a distributor (12) installed between the fluidizing prereduction chamber and the gas blowing chamber, a first plurality of nozzles (13) passing through the distributor (12) for injecting said reducing gas in the blowing chamber into the prereduction chamber, a discharge pipe for discharging prereduced iron ores installed at a bottom center of the prereduction chamber extending through said distributor (12), in which a cooling fluid flows; at least two horizontally movable purging pipes (30) below the distributor (12), and a second plurality of nozzles (31) attached to the horizontally movable purging pipes (30) for injecting a purging gas to a bottom surface of the distributor (12).
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at least two horizontally movable purging pipes (30) below the distributor (12), and a second plurality of nozzles (31) attached to the horizontally movable purging pipes (30) for injecting a purging gas to a bottom surface of the distributor (12).</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
FURNACES
FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
HEATING
KILNS
LIGHTING
MANUFACTURE OF IRON OR STEEL
MECHANICAL ENGINEERING
METALLURGY
METALLURGY OF IRON
OPEN SINTERING OR LIKE APPARATUS
OVENS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
RETORTS
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
title PREREDUCTION FURNACE OF A SMELTING REDUCTION FACILITY OF IRON ORE
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