FLUIDIZED-BED ROASTING OF MOLYBDENITE CONCENTRATES

The present invention is directed to a fluidized bed roasting apparatus and method for converting molybdenite to molybdeum trioxide. The fluidized bed roasting apparatus includes cooling tubes, a means of vibration, a distributor plate, fluidizing gas preheaters, and an expanded upper section. The a...

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Bibliographische Detailangaben
Hauptverfasser:	JHA, MAHESH, C, MAY, WILLIAM, A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention is directed to a fluidized bed roasting apparatus and method for converting molybdenite to molybdeum trioxide. The fluidized bed roasting apparatus includes cooling tubes, a means of vibration, a distributor plate, fluidizing gas preheaters, and an expanded upper section. The apparatus can be continuously operated using an automated control system. La présente invention concerne un appareil et un procédé de grillage en lit fluidisé destiné à la couversion de molybdénite en trioxyde de molybdène. L'appareil de grillage en lit fluidisé comprend des tubes de refroidissement, un moyen de vibration, une plaque de distribution, des préchauffeurs à gaz de fluidization et une partie supérieure élargie. L'appareil peut être exploité en continu à l'aide d'un système de commande automatique.