Patent ID: 6203761
Filing Date: 2001-03-20
Classification: B01J

Abstract:
A fluidized bed apparatus for the production or treatment of a granular material comprising:(a) a container with an entry chamber through which a gas is designed to flow upwards,(b) a fluidization chamber located above the entry chamber,(c) at least one pivotal slat (1) arranged between the entry chamber and the fluidization chamber, and(d) at least one nozzle arm (6) rigidly arranged in the container below the slat (1) and having at least one nozzle line (3) that carries at least one nozzle (4) directed into the fluidization chamber for introducing materials to be granulated, wherein each slat (1) has a cutout (2) through which the nozzle line (3) is guided so that it extends partly into the fluidization chamber, the cutout (2) being sufficiently large for pivoting movement of the slat (1).