Agitated bed infrared drying apparatus

Details Agitated bed infrared drying apparatus Agitated bed infrared drying apparatus

F - Mech Eng,Light,Heat,Weapons

26

B

F26B 19/00 (2006.01) B01J 8/10 (2006.01) B01J 8/36 (2006.01) F26B 3/28 (2006.01) F26B 3/30 (2006.01) F26B 3/34 (2006.01) F26B 5/14 (2006.01) F26B 7/00 (2006.01) F26B 11/00 (2006.01) F26B 17/02 (2006.01) F26B 17/04 (2006.01) F26B 17/12 (2006.01) F26B 17/24 (2006.01)

Patent

CA 2306102

An agitated bed drying apparatus (20) for particulate material (152) is provided which includes a housing (22) having an elongated, essentially imperforate, flexible bed (24) therein adapted to receive the material (152). An agitator assembly (26) made up of a series of rotatable beater bar units (70) is located below the bed (24) and oriented for repeatedly impacting the bed (24) to establish an undulating bed movement for elevation and tumbling of the particulate material (152). An infrared heating unit array (28) is located above the bed (24) so as to expose the particulate material (152) to IR radiation for most effective drying thereof. Alternately, the bed (24) may be in the form of a length of material (58) mounted in tension and against translation within housing (22), or as a continuous belt (136).

L'invention porte sur un appareil de séchage (20) de matériau particulaire (152) sur un lit en mouvement. Cet appareil comprend un corps (22) dans lequel est adapté un lit (24) oblong, flexible, sans aucune perforation, conçu pour recevoir le matériau (152). Un ensemble (26) agitateur constitué d'une série de barres (70) de battage rotatives est placé sous le lit (24) et orienté de façon à heurter le lit de manière itérative afin de créer un mouvement ondulatoire pour soulever et faire tournoyer le matériau particulaire (1562). Une matrice (28) d'unités chauffantes infrarouge est placée au-dessus du lit (24) de sorte que le matériau particulaire (152) soit exposé au rayonnement infrarouge et sèche ainsi de manière la plus efficace. Selon une autre réalisation, le lit (24) peut avoir la forme d'un matériau (58) allongé, monté tendu et sans qu'il puisse effectuer de translation dans le corps (22), ou sous forme d'une courroie continue (136).

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