Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration

The invention relates to a melting or reduction furnace (2), in which the charge stock (9) is supplied using feed pipes (17). Each feed pipe (17) has a mouthpiece (18) that is not cooled and is configured from an uncooled wear-resistant inner guide pipe (19) and an uncooled concentric, heat-resistan...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BORGWARDT DIETER, KUMMER KARL-HEINZ
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CONVEYING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HANDLING THIN OR FILAMENTARY MATERIAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS SHOP CONVEYOR SYSTEMS STORING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a melting or reduction furnace (2), in which the charge stock (9) is supplied using feed pipes (17). Each feed pipe (17) has a mouthpiece (18) that is not cooled and is configured from an uncooled wear-resistant inner guide pipe (19) and an uncooled concentric, heat-resistant outer protective pipe (20).