Sewerage inlet

E - Fixed Constructions – 03 – F

Patent

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Details

E03F 5/02 (2006.01) E03F 5/04 (2006.01) E03F 5/14 (2006.01) E03F 5/16 (2006.01)

Patent

CA 2258030

The invention relates to a sewerage inlet with a grating (3), a foliage- retaining basin (4) arranged below said grating (3) and a container provided with an outflow pipe (6), in which container a valve (10) controlled by a float is arranged upstream of the outflow pipe (6) and closes said outflow pipe (6) when the liquid in the container is lighter than water. The invention proposes a sewerage inlet to convey surface water away from streets, grounds and production yards, the container (5) thereof being subdivided by a removable separating floor (11) into a sedimentation chamber (12) at the top and a collection chamber (13) at the bottom. The outflow inlet (8) connected to the outflow pipe (6) and having a valve (10) and a float is arranged in said collection chamber, and the sedimentation chamber (12) is connected via a soil pipe (14) to the collection chamber (13), the inlet opening (15) thereof being at a relatively large distance from the separating floor (11), and the outlet opening (16) thereof being below the outflow pipe (6).

L'invention concerne un élément d'admission d'eau usée comportant une grille (3), un bassin de retenue de feuillages (4) placé sous la grille (3), ainsi qu'un contenant pourvu d'une conduite d'évacuation (6), dans lequel un obturateur (10) commandé par un flotteur est placé en amont de la conduite d'évacuation (6). Ledit obturateur (10) ferme la conduite d'évacuation (6) lorsque le liquide se trouvant dans le contenant est plus léger que l'eau. Cet élément d'admission d'eau usée sert à l'évacuation des eaux de surface présentes dans les rues, places et cours d'usine. Le contenant (5) dudit élément est divisé par un fond de séparation amovible (11) en un compartiment supérieur de décantation (12) et en un compartiment collecteur inférieur (13) dans lequel est placée l'entrée (8) raccordée à la conduite d'évacuation (6), comprenant l'obturateur (10) à flotteur. Le compartiment de décantation (12) est raccordé au compartiment collecteur (13) par un tuyau de descente (14) dont l'orifice d'entrée (15) se trouve à une distance relativement grande du fond de séparation (11) et dont l'orifice de sortie (16) est situé en dessous de la conduite d'évacuation (6).

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