Impeller for mixing slurry in metallurgical processes

Details Impeller for mixing slurry in metallurgical processes Impeller for mixing slurry in metallurgical processes

B - Operations, Transporting

01

F

B01F 7/00 (2006.01) B01F 7/04 (2006.01) B01F 7/06 (2006.01) B01F 7/18 (2006.01) B01F 7/22 (2006.01)

Patent

CA 2753740

The invention relates to a turbine-type high-power impeller, to be used for mixing slurry in hydrometallurgical process reactors. The impeller is formed of at least five blades, each of which blades comprises a front edge, trailing edge, root and tip; the roots of the impeller blades are permanently attached by a joint to the hub or axis of the impeller, so that the front edge of the impeller blade is straight, and the trailing edge is chamfered, in which case the blade is narrowed towards the tip, and the blade is provided with two longitudinal folds arranged in parallel with the front edge of the blade.

Cette invention concerne une hélice de type turbine extrêmement puissante utilisée pour mélanger les suspensions dans les réacteurs hydrométallurgiques. L'hélice est faite d'au moins cinq pales, chacune d'elles comprenant un bord antérieur, un bord de fuite, un fond et une pointe. Les fonds des pales de l'hélice sont fixés en permanence par une articulation au moyeu ou à l'axe de l'hélice, de sorte que le bord antérieur de la pale de l'hélice est droit, et le bord de fuite est chanfreiné, ce qui produit une pale dont la largeur se rétrécit en direction de la pointe. La pale est pourvue de deux plis longitudinaux parallèles au bord antérieur de la pale.

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