B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 15/00 (2006.01) B02C 17/18 (2006.01)
Patent
CA 2757102
A description is given of an inclined feed shaft (1) for feeding particulate material to a mill (2). The feed shaft (1) is peculiar in that it is configured for rotation about its longitudinal axis. It is hereby obtained that any incipient formation of coatings on the wall of the shaft will continuously be cleaned off and dislodged from the wall by the larger descending material particles in the feed material so that the feed shaft will be of a self-cleaning type. This is due to the fact that during the rotation of the shaft (1) the entire circumference of the shaft (1) will intermittently be located at the bottom of the cross-sectional profile of the shaft (1), and thereby be cleaned off by the descending material. As a result, coatings continuously being formed during the rotation of the shaft on those parts of the shaft wall not located at the bottom will continuously be cleaned off when these parts pass the bottom of the cross-sectional profile of the shaft (1).
L'invention concerne un arbre d'alimentation incliné (1) pour amener un matériau particulaire à un laminoir (2). L'arbre d'alimentation (1) est particulier, en ce qu'il est configuré pour tourner autour de son axe longitudinal. Ainsi, tout commencement de formation de revêtements sur la paroi de l'arbre est continuellement nettoyé et délogé de la paroi par les particules de matériau plus grosses descendant dans le matériau d'alimentation, de sorte que l'arbre d'alimentation soit de type autonettoyant. Cela est dû au fait que pendant la rotation de l'arbre, toute la circonférence dudit arbre est située par intermittence en bas du profil en coupe transversale de l'arbre, et est ainsi nettoyée par le matériau descendant. Par conséquent, des revêtements formés continuellement pendant la rotation de l'arbre sur les parties de la paroi d'arbre non situées dans le bas sont continuellement nettoyés, quand ces parties passent le bas du profil en coupe transversale de l'arbre.
Petersen Luis
Witt Lars
Flsmidth A/s
Smart & Biggar
LandOfFree
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