A rake arm supporting mechanism for a thickener

Details A rake arm supporting mechanism for a thickener A rake arm supporting mechanism for a thickener

B - Operations, Transporting

01

D

B01D 21/18 (2006.01) B01D 21/06 (2006.01)

Patent

CA 2638062

The invention relates to an apparatus (1) for clarifying and/or thickening a solids-containing solution, which apparatus is equipped with a rake (10), which rake is for moving the underflow from the edges of the tank to the centre, where said rake has at least four rake arms (11, 12, 13, 14) reaching the edge of the tank in a radial direction, when at least two of the rake arms (11, 12) are vertically supported by at least one vertical supporting member (15) arranged on the rake arm, which vertical supporting member (15) is connected to at least two rake arms (13,14), so that the rake arm slope (22) could be as small as possible, at least 1:4 or smaller. The inventions also relates to a method for supporting a rake (10).

L'invention concerne un appareil (1) de clarification et / ou d'épaississement d'une solution contenant des solides, ledit appareil étant équipé d'un râteau (10), ledit râteau servant à déplacer les sédiments des bords de la cuve vers le centre, ledit râteau possédant au moins quatre bras (11, 12, 13, 14) de râteau atteignant le bord de la cuve dans une direction radiale, au moins deux des bras de râteau (11, 12) étant supportés verticalement par au moins un élément (15) de support vertical disposé sur le bras de râteau, ledit élément (15) de support vertical étant relié à au moins deux bras (13,14) de râteau, de sorte que la pente (22) des bras de râteau est aussi réduite que possible, de l'ordre de 1:4 ou inférieure. L'invention concerne également un procédé de support d'un râteau (10).

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