Improved self-cleaning filter for agricultural irrigation water

Details Improved self-cleaning filter for agricultural irrigation water Improved self-cleaning filter for agricultural irrigation water

B - Operations, Transporting

01

D

B01D 29/68 (2006.01) A01G 25/16 (2006.01)

Patent

CA 2593141

The invention relates to an improved self-cleaning filter for agricultural irrigation water. The inventive filter comprises a base (8) for rings (3), said base being traversed by perforated tubes (4) which clean the rings and which can move axially. The invention also comprises an upper base (5) at the opposite end of the tubes, which applies pressure against the rings in the axial direction, while the lower base (6) generates an axial thrust in order to separate said rings and to press same, thereby serving as a seal and enabling the flow to pass to the perforated tubes (4). The invention comprises another base (9) which acts as a membrane and a spring which applies pressure against the rings (3) which are separated by an adjustable distance and which can vary in number.

L'invention concerne un filtre autonettoyant amélioré pour les eaux d'irrigation issues de l'agriculture. Ce filtre comprend une base (8) pour anneaux (3) traversée par des tubes (4) perforés qui assurent le nettoyage desdits anneaux. Lesdits tubes (4) peuvent se déplacer dans le sens axial et comprennent une base supérieure (5) sur leur côté opposé qui exerce une pression axiale sur les anneaux, la base inférieure (6) appliquant une poussée axiale pour séparer les anneaux et exercer une pression sur ceux-ci, faisant office d'obturateur et permettant le passage d'un écoulement dans les tubes perforés (4). Ledit filtre comprend également une base (9) qui fait office de membrane et un ressort qui exerce une pression sur les anneaux (3). Lesdits anneaux peuvent être séparés de manière réglable et peuvent être présents en nombre variable.

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