Spray-drying granulation apparatus
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United States of America Patent
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Sep 3, 1991
Issued Date -
N/A
app pub date -
Apr 25, 1990
filing date -
Mar 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spray-drying granulation apparatus having: a spray drying section formed in an upper position of a chamber wherein sprayed feed liquid particles are dried to powder by a hot-air; and a powder granulation section formed in a power position of the chamber, and provided with a nozzle for feeding a binder liquid. There is no need of maintaining sticky powder or completely dried powder to the lower section. The sprayed particles can be dried to powder in a wide drying range before they are granulated in the granulation section by a binder liquid. The degree of granulation can be selected as desired while preventing attachment of powder to the inner wall of the chamber due to incomplete drying.
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