Patent · US Expired

Method and a device for processing a solution, melt, suspension, emulsion, slurry or solids into granules

US6851558B2 · kind B2 · utility

5Cited by

9References

21Claims

0Family size

Assignee

YARA INTERNATIONAL ASA · NO

Inventors

Rune Ingels · Stathelle, NO
Luc Vanmarcke · Eeklo, BE
Rudy Nevejans · Assenede, BE
Roeland Elderson · Axel, NL
Jon Gunstein Klonteig · Skien, NO

Key dates

Filing date	Dec 4, 2000
Grant date	Feb 8, 2005
Priority date	—
Expiry date	Dec 4, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2208/00327
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A classifying fluid bed granulator includes a granulation chamber including a fluidizing air chamber (7) with a bed floor (10), a ceiling (3c), an end wall (3d), and a feed inlet (5), a seed inlet (6), an air outlet (4) defined by walls (3a, 3b) and an outlet (9) for produced granules. The granulation chamber is divided into an agglomeration and seed control section (1) and a granulation and classification section (2), and the section (2) includes one or more consecutive compartments having an asymmetric design.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.