PROCESS AND FURNACE FOR PREPARING ALUMINA

A suspension of Al(OH)3 is dried and then ignited. Part (0.5-5 kg/kg) of the ignited Al2O3 is returned to the dehydration stage, where the density of the vortex layer is kept at 300-900 kg/m3. The furnace consists of a cyclonic heat exchanger for drying, a shaft furnace for dehydration and an igniti...

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Bibliographische Detailangaben
Hauptverfasser:	TELJATNYIKOV,GARRY V,SU, KARPOV,ANATOLIJ B,SU, SZTYAZKIN,ANATOLIJ K,SU, SZOKOLOV,PAVEL I,SU, LJAKOV,VIKTOR P,SU, USZTYINOV,VLAGYIMIR K,SU, PINJUGIN,JURIJ V,SU, SMORGUNYENKO,NYIKOLAJ SZ,SU, SAMULJOV,BORISZ L,SU, GORSKOV,NYIKOLAJ I,SU, SZMIRNOV,VADIM SZ,SU, GONCSAROV,VITALIJ K,SU, BLINKIN,KONSTANTIN G,SU, FOMIN,EDUARD SZ,SU, MILRUD,SZAVELJ M,SU, ARLJUK,TAMARA A,SU, KAIM,GERMAN A,SU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING INORGANIC CHEMISTRY KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	A suspension of Al(OH)3 is dried and then ignited. Part (0.5-5 kg/kg) of the ignited Al2O3 is returned to the dehydration stage, where the density of the vortex layer is kept at 300-900 kg/m3. The furnace consists of a cyclonic heat exchanger for drying, a shaft furnace for dehydration and an ignition chamber, which is divided in two parts with different grating.