To provide a sediment discharge device and facility having a high availability utilizable throughout the year, in the sediment discharge device and the sediment discharge facility having the selective water intake function and the sediment discharge function.
This sediment discharge device having the selective water intake function, is composed of a vertical straight pipe 22 for sucking and discharging an underwater sediment, arms 21A and 21B having one end rotatably journalized to a lower end side surface part of the vertical straight pipe 22, water intake ports 23A and 23B arranged on the other end of the arms 21A and 21B, and actuators 24A and 24B for rotating the arms; and has the water intake ports positioned in the horizontal direction when the arms rotate in the downward direction; and has the other end parts 23c and 23b of the water intake ports continuously connected to the tip 22a of the vertical straight pipe.
IGARASHI NOBORU
HIRANO HARUHIKO
Shin Ishikawa