| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that although seawater flow power generation utilizing seawater flow energy generated by tidal phenomena including high tide and low tide flowing in and out a conduit inside a water gate closed by the water gate, in which a hydraulic power generator is built-in, in a river basin near a river mouth of the river basin with a narrow river width can be performed, there is a possibility of river flood risk and a countermeasure is required if a large quantity of rain falls in an upstream area of the water gate. <P>SOLUTION: A seawater flow power generation is performed by entirely closing a river basin by one or two water gates having a single swing gate or double swing gate function in a water gate accommodation space constructed in a form biting into both bank sections of the river basin, or the seawater flow power generation is performed by utilizing water flowing in and out a conduit inside a water gate suspended under a portal bridge across a river basin, or a hydraulic power generation is performed by utilizing outflowing river water. In the case that a river flood phenomenon is predicted, the water gate is entirely accommodated in the water gate accommodation space or the water gate is lifted to be higher than the river basin to fully open the river basin. <P>COPYRIGHT: (C)2013,JPO&INPIT |
