FURNACE HAVING TOROIDAL FLUID FLOW HEATING ZONE

There is described a furnace of the kind in which a toroidal fluid flow heating zone may be established. The furnace includes a chamber (7a) in which there is provided an inner block and a ring of angled blades (21) between the inner block and an inner wall of the chamber (7a). Means (4a) is provide...

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Bibliographische Detailangaben
Hauptverfasser:	DODSON, CHRISTOPHER EDWARD, KOSTUCH, JACEK ANTONI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RETORTS THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	There is described a furnace of the kind in which a toroidal fluid flow heating zone may be established. The furnace includes a chamber (7a) in which there is provided an inner block and a ring of angled blades (21) between the inner block and an inner wall of the chamber (7a). Means (4a) is provided for delivering fluid into the chamber in such a way that the fluid passes through gaps between the blades and establishes a toroidal fluid flow heating zone in the chamber above the ring of angled blades. Means (23) is also provided for injecting feed particulate material into the chamber in a region where the toroidal fluid flow heating zone is to be established. In one arrangement, means (49) is additionally provided for injecting fuel into the chamber in a region above the ring of angled blades so that the region in the chamber at which the heating zone is established is elevated above the ring of angled blades. In another arrangement, means (33) is provided for cooling the inner block.