Fluidised bed appts. - comprises lower cylindrical section surmounted by diverging conical section with intermediate distributor plates

A fluidised bed apparatus comprises a lower cylindrical chamber surmounted by two divergent conical sections one upon the other. Two distributor plates separate the three sections. Fluidising gas and materials to be treated enter the lower cylindrical chamber and the high gas velocity in this part c...

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Bibliographische Detailangaben
1. Verfasser:	ZUFAR GARIFULLINOVICH SALIKHOV, VASILY ALEXANDROVICH IVANOV, VIKTOR PETROVICH VYATCHINOV, VLADIMIR IVANOVICH MALTSEV, SERGEI SERGEEVICH GROZDEV ET NIKOLAI VLADIMIROVICH KHODOV
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A fluidised bed apparatus comprises a lower cylindrical chamber surmounted by two divergent conical sections one upon the other. Two distributor plates separate the three sections. Fluidising gas and materials to be treated enter the lower cylindrical chamber and the high gas velocity in this part carries over all but the largest particles into the lower of the two conical sections. The diverging cone angle causes a reduction in gas velocity as it passes upwards, resulting in a gradual diminution of particle size towards the top of the bed at which point the discharge is located. Used for fluid bed oxidation and treatment processes esp. in the non-ferrous metallurgical extraction industries. L'APPAREIL A LIT FLUIDISE COMPORTE, DISPOSES EN SERIE, SUIVANT SON AXE VERTICAL LONGITUDINAL 1 DE BAS VERS LE HAUT, UN TAMBOUR 2 A GROSSES PARTICULES ET UN TAMBOUR 3 A PARTICULES MOYENNES ET UN TAMBOUR 4 A PARTICULES FINES, CES DEUX DERNIERS TAMBOURS DIVERGEANT VERS LE HAUT. L'APPAREIL A LIT FLUIDISE COMPORTE AUSSI UNE GRILLE 11 DISPOSEE EN TRAVERS DE SON AXE LONGITUDINAL 1 DANS LE TAMBOUR 4 A PARTICULES FINES.