METHOD AND APPARATUS FOR PREHEATING AND SMELTING MANGANESE ORE SINTER

METHOD AND APPARATUS FOR PREHEATING AND SMELTING MANGANESE ORE SINTER

Described is a method and an apparatus for preheating and smelting manganese ore sinter. The method comprises feeding feed mixture (1) containing manganese ore sinter (2), reducing agent (3), and fluxing agent (4) into an submerged electric arc furnace (5), smelting feed mixture (1) to form a layer...

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Hauptverfasser: KROGERUS, Helge, MÄKELÄ, Pasi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator KROGERUS, Helge
MÄKELÄ, Pasi
description Described is a method and an apparatus for preheating and smelting manganese ore sinter. The method comprises feeding feed mixture (1) containing manganese ore sinter (2), reducing agent (3), and fluxing agent (4) into an submerged electric arc furnace (5), smelting feed mixture (1) to form a layer containing liquid manganese alloy and a layer containing slag, withdrawing liquid manganese and, discharging carbon monoxide containing carbonaceous gas (6), combusting carbon monoxide containing carbonaceous gas (6) in presence of oxygen such as air in a burner (7) to form carbon dioxide containing carbonaceous gas (9), and heating said feed mixture (1) in a pre-treatment silo (8) prior feeding said feed mixture (1) into the submerged electric arc furnace (5) with said carbon dioxide containing carbonaceous gas (9).
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title METHOD AND APPARATUS FOR PREHEATING AND SMELTING MANGANESE ORE SINTER
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