Fluidized bed granulator

Details Fluidized bed granulator Fluidized bed granulator

1989-01-25

1992-08-25

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

For diverse operations on treated material

118716, 118 57, F26B 1900

Patent

active

051407566

ABSTRACT:
In conventional fluidized granulators whose housing is made of a steel plate, a powder tends to cause blocking if it is highly hygroscopic, and the bag filter used therein causes clogging. These problems have been solved in the present invention by forming the housing of a fluidized granulator with a porous membrane in place of the conventional steel plate. This fluidized granulator produces granules or a coated powder by spraying powder with water, a binder fluid or a coating fluid while maintaining the powder in a fluidized state.

REFERENCES:
patent: 4809442 (1989-03-01), Iwaya et al.

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