4. Rotary drum
Rotary drum granulation
[38]
is a widely used technique in the fertilizer and iron ore industries. The device, also known as a drum granulator, consists of a cylindrical shell rotating on supports and inclined at a few degrees to the horizontal. The length of the drum varies from four to more than ten times its diameter, which can reach 3 or even 4 m. The product to be pelletized is introduced at the highest end and progresses through the drum under the combined effect of rotation and inclination, to be discharged at the opposite end (figure
18
). The residence time, generally of the order of a few minutes, is a function of drum length, slope and rotation speed. Binder can be added to the product to be pelletized either before it is introduced...
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Rotary drum
Also in our database
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CASTEL (B.) -
Mise en forme des solides. Procédés et appareils.
- [J 3 382]
Opérations unitaires. Génie de la réaction chimique (2004).
Bibliography
-
(1) - PIETSCH (W.) -
Size enlargement by agglomeration.
-
Wiley (1991).
-
(2) - CAPES (C.E.) -
Particle size enlargement.
-
Elsevier (1980).
-
(3) - SALEH (K.), GUIGON...
Theses
-
BENALI (M.) -
Prédiction des interactions substrat/liant lors de la granulation : Étude expérimentale dans un mélangeur à fort taux de cisaillement – Approches thermodynamiques par simulation moléculaire.
-
Thèse INP, Toulouse (2006).
-
CHERIF (R.) -
Contribution...
Events
Powder Science and Technology (PST) and Sintered Materials
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Type: conference
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Next event: October 14-16, 2009/Marseille...
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Binders
