Dry method aluminun fluoride production apparatus

• Main Authors: WANG ZHIYONG, LANG SHENGLI, LIAO XUEJIAN, WANG YOULUN
• Format: Patent
• Language: Chinese; English
• Published: 18.03.2009
• Subjects: CHEMISTRY; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS; INORGANIC CHEMISTRY; METALLURGY

The utility model relates to an aluminum fluoride production device by a dry method, which comprises a fluidized bed, the bottom part of the fluidized bed is connected with a hydrogen fluoride preparation purifying system, an aluminium hydroxide drying device is connected at the upper part of the fluidized bed, the fluidized bed is a double-layer fluidized bed, and comprises an upper layer sieve plate and a lower layer sieve plate, and air inlet holes are respectively arranged on the upper layer sieve plate and the lower layer sieve plate, air inlet pipes are arranged on the air inlet holes of the upper layer sieve plate and the lower layer sieve plate, and blast caps provided with spray holes are arranged at the top ends of the air inlet pipes; the aluminium hydroxide drying device ensures that the aluminium hydroxide delivered into the fluidized bed is fully dried, the drying speed of the aluminium hydroxide is quickened, the hydrogen fluoride preparation purifying system provides hydrogen fluoride with goo