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US 2018/0050283 A1Published application
Infiltration intake system
AssigneeHitachi Zosen Corporation
InventorsMasaki INUI, Takayuki INOUE
Life of this patent
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Abstract
In this infiltration intake system, a structural body integrally includes a waster discharge direction control portion controlling a discharge direction for wastewater discharged from a filter toward a raw water side at a backwash time with a backwash mechanism portion in a prescribed wastewater discharge direction.
Claims7
An infiltration intake system comprising:
- a structural body, set on a water bottom surface of raw water, including a filter storage portion;
- a filter stored in the filter storage portion;
- a water guide portion for guiding treated water passing through the filter toward the side of a treatment equipment;
- and
- a backwash mechanism portion for washing the filter by refluxing water or air from a treated water side of the filter toward a raw water side, wherein
- the structural body integrally includes a wastewater discharge direction control portion for controlling a discharge direction for wastewater discharged from the filter toward the raw water side to a prescribed wastewater discharge direction at a backwash time with the backwash mechanism portion.
3 more elements
Dependencies are inferred from the claim text.