ARRANGEMENT FOR FEEDING FINE-GRAINED MATTER TO A CONCENTRATE OR MATTE BURNER OF A SUSPENSION SMELTING FURNACE

The invention relates to an arrangement for feeding fine-grained matter to a concentrate or matte burner (1) of a suspension smelting furnace (2). The arrangement includes a screw conveyor (3) comprising a tube means (4) having an inlet opening (6), an downward-facing outlet opening (7), and a helic...

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Bibliographische Detailangaben
Hauptverfasser:	BJÖRKLUND, PETER, AHOKAINEN, TAPIO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMISTRY 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 FERROUS OR NON-FERROUS ALLOYS FURNACES HANDLING THIN OR FILAMENTARY MATERIAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OVENS PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS RETORTS SHOP CONVEYOR SYSTEMS STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to an arrangement for feeding fine-grained matter to a concentrate or matte burner (1) of a suspension smelting furnace (2). The arrangement includes a screw conveyor (3) comprising a tube means (4) having an inlet opening (6), an downward-facing outlet opening (7), and a helical screw (8) for moving fine-grained matter from the inlet opening (6) to the downward-facing outlet opening (7). The downward-facing outlet opening (7) is provided with a distribution means (10). The distribution means (10) has a free end (11) configured for feeding fine-grained matter into the downward-facing outlet opening (7). The helical screw (8) of the screw conveyor (3) extends from the direction of the inlet opening (6) at least partly over the downward-facing outlet opening (7).