Jul 18, 2019 15:28
4 yrs ago
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English term

diffusion blender

English to French Science Medical: Pharmaceuticals Production industrielle de médicaments
The core blend is prepared by mixing active granulation and polyethylene oxide (approx. MW
600,000) in a diffusion blender.

Proposed translations

+2
6 mins
Selected

mélangeur à tambour

Diffusion blenders or mixers also known as tumbling mixers or blender
Note from asker:
Merci Nicolas, ça semble être cela, et j'ajoute aussi "rotatif" comme dit Gilou
Peer comment(s):

agree GILLES MEUNIER : mélangeur à tambour rotatif selon mes recherches
49 mins
agree Bertrand Leduc
15 hrs
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4 KudoZ points awarded for this answer.
20 mins

mélangeur par diffusion

"The primary mechanism of blending in a V-Blender is diffusion. Diffusion blending is characterized by small scale random motion of solid particles. Blender movements increase the mobility of the individual particles and thus promote diffusive blending. Diffusion blending occurs where the particles are distributed over a freshly developed interface. In the absence of segregating effects, the diffusive blending will in time lead to a high degree of homogeneity. V-Blenders are therefore preferred when precise blend formulations are required. They are also well suited for applications where some ingredients may be as low as five percent of the total blend size. Normal blend times are typically in the range of 5 to 15 minutes depending on the properties of material to be blended."
https://www.brighthubengineering.com/manufacturing-technolog...

"Figure 25 : Cinétiques de mélange en mélangeur conique simple (triangles) et en mélangeur conique amélioré (cercles) (Brone et Muzzio, 2000).
Les mécanismes de mélanges, comme la convection et la diffusion (Bridgwater, 1976), ont une influence visible sur la cinétique (Figure 26). La convection est le phénomène qui permet un mélange rapide à grande échelle, alors que la diffusion permet un mélange plus intime entre les particules, à une échelle plus petite."
Étude expérimentale et modélisation de mélangeurs convectifs ...
https://tel.archives-ouvertes.fr/tel-01673832/document
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49 mins

Tambour rotatif

C'est ainsi que je le lis souvent pour l'enrobage ou le pelliculage
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