Patent ID: 7112244

Claim:
A fluidized-bed granulation coating device comprising: a cylindrical body provided with an exhaust port in an upper direction and a gas supply port in a lower direction, a cylinder direction thereof being divided into the upper and lower directions; a partition means partitioning a cylindrical interior of said body into a plurality of sections in the upper and lower directions and passing a fluidized-bed forming-gas flowing from said gas supply port to said exhaust port; and a powder train passing means in which powder grains fall by gravity to pass between the sections in the upper to lower direction; wherein a spray nozzle is provided in one section or more of said plurality of sections, and a product discharge means is provided in a lower section of said plurality of sections; and wherein a drying section is provided between the uppermost section and the lowermost section of the plurality of sections, and said drying section comprises: a plurality of drying chambers provided with powder grain receiving ports and powder grain discharge ports, and passing the fluidized-bed forming-gas in the lower to upper direction; a drying chamber drive means for moving said powder grain receiving ports of said plurality of drying chambers, in a side of said powder grain passing means provided in the partition means partitioning said drying chambers from the sections located immediately thereon, and for moving said powder grain discharge ports of the plurality of drying chambers, in a side of said powder grain passing means provided in the partition means partitioning said drying chambers from the sections located immediately thereunder; and a blowing chamber provided under said drying chambers and supplying said fluidized-bed forming-gas into said drying chambers in the lower to upper direction, said blowing chamber receiving said fluidized-bed forming-gas from said gas supply port.