Title:
DEVICE FOR BOTH WATER INTAKE AND SEDIMENT DISCHARGE
Document Type and Number:
Japanese Patent JP2022176526
Kind Code:
A
Abstract:
To control an operation related to discharge of sediment deposited at an upstream side of a dam body crossing a river such as an erosion control dam and an erosion control weir and water intake without using electric power.SOLUTION: A device for both water intake and sediment discharge which is provided in a dam body crossing a river, discharges sediment deposited at an upstream side of the dam body, and guides river water to take in, comprises: a bottom face sediment discharge facility provided at the upstream side of the dam body and taking-in sediment together with river water; a connection portion connected to the bottom face sediment discharge facility; and a water intake tower having an inflow control device opening/closing the connection portion. The inflow control device comprises a water control gate which ascends/descends by using buoyance generated by river water flowing into the water intake tower via the connection portion, and blocks the connection portion when river water level reaches a preset specified water level.SELECTED DRAWING: Figure 1
Inventors:
YAMAGUCHI NAOHISA
KAMIJO HIROAKI
MIYAUCHI KENJI
KAMIJO HIROAKI
MIYAUCHI KENJI
Application Number:
JP2021083012A
Publication Date:
November 30, 2022
Filing Date:
May 17, 2021
Export Citation:
Assignee:
OHBAYASHI CORP
International Classes:
E02B7/02; E02B7/20; E02B8/00; E03B3/04
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation
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