C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
C01F 7/46 (2006.01) B02C 13/00 (2006.01) B02C 13/09 (2006.01) B02C 13/20 (2006.01) B02C 19/00 (2006.01) B02C 23/10 (2006.01) B03B 1/00 (2006.01)
Patent
CA 2208578
In a process for mechanically cleaning a powder (25), the powder is projected at a predetermined speed and at a determined frequency during a defined time against at least one surface in order to separate therefrom particles of impurities (35) that adhere to its surface. The thus obtained powders (30, 31 and 35) are then sorted according to size. A cleaning device (1) for carrying out the process has a separator (2) mounted upstream of a wind sifter (3) or cyclone (4). A simplified embodiment of the cleaning device (1) has only a wind sifter (3).
Selon un procédé de nettoyage mécanique d'une poudre (25), la poudre est projetée à une vitesse prédéterminée et à une fréquence déterminée pendant une période définie contre au moins une surface afin d'en séparer les particules d'impuretés (35) qui adhèrent à sa surface. Les poudres ainsi obtenues (30, 31 et 35) sont triées selon leurs dimensions. Un dispositif de nettoyage (1) qui met en oeuvre ce procédé comprend un séparateur (2) monté en amont d'un séparateur à vent (3) et/ou cyclone (4). Un mode simplifié de réalisation du dispositif de nettoyage (1) comprend uniquement un séparateur à vent (3).
Jansen Helge
Schuh Lothar
Abb Flakt Ab
Marks & Clerk
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