Multi-nozzle for granulation and method for manufacturing...

Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten... – Coated particles

Reexamination Certificate

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Details

C264S014000, C425S006000, C023S3130FB, C239S567000, C118S303000

Reexamination Certificate

active

11639106

ABSTRACT:
The present invention provides a granulation method with increased drying effect while assuring the pressure for spraying the aqueous solution and the necessary number of nozzles equivalent to those of conventional design. Specifically, the granulation method uses a granulator structured by a fluid bed which fluidizes the granulating-particles, an air feed pipe to introduce air, a nozzle for spraying the raw material aqueous solution being located at center part of the air feed pipe, and a perforated plate to feed a fluidization air to the fluid bed, thus granulating the raw material aqueous solution by spraying thereof from the nozzle into a granulation part, wherein a multi-nozzle in a specified shape having a plurality of nozzle ends thereon is used as the nozzle for spraying the raw material aqueous solution.

REFERENCES:
patent: 1529531 (1925-03-01), Young
patent: 3303103 (1967-02-01), Schmidt et al.
patent: 4749595 (1988-06-01), Honda et al.
patent: 5964901 (1999-10-01), Kido et al.
patent: 6203730 (2001-03-01), Honda et al.
patent: 2005/0067509 (2005-03-01), Redaelli
patent: 56-47181 (1981-11-01), None
patent: 4-63729 (1992-10-01), None
patent: 10-216499 (1998-08-01), None

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