SEALING STRUCTURE OF SOLID-TRANSFERRING SCREW AND METHOD FORPRODUCING REDUCED METAL USING THE SAME

A sealing structure for a solid-transferring screw installed inside a heating furnace enabling the solid- transferring screw to be lifted during operation while retaining airtightness of the heating furnace. Driving shaft of the solid-transferring screw passes through through-holes in side walls of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TETSUMOTO, MASAHIKO, HASHIMOTO, SUMITO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CHEMISTRY CYLINDERS DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ENGINEERING ELEMENTS AND UNITS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING KILNS LIGHTING MANUFACTURE OF IRON OR STEEL MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PISTONS RETORTS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A sealing structure for a solid-transferring screw installed inside a heating furnace enabling the solid- transferring screw to be lifted during operation while retaining airtightness of the heating furnace. Driving shaft of the solid-transferring screw passes through through-holes in side walls of the heating furnace and is supported by liftable supporting devices at outsides of the furnace. Sealing blocks are attached on outer edges of the through-holes to surround the periphery of the through- holes at the outsides of the furnace. Sliding panels are disposed at the outer sides of the sealing blocks of the furnace with sliding holes for sliding the screw-driving shaft so that the driving shaft extends through the sliding holes. The sliding panels contact with the sealing blocks via the sealing members therebetween and are slidable in the vertical direction.