| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning device of a river capable of being purified at a necessary spot in the river without installing a water gate. SOLUTION: The cleaning device of the river is constituted of a frame body 2 mounting the lower end thereof to a basic stand provided to the bottom of the river in a rotatable manner, a floating body 5 keeping the upper end of the frame body 2 in the height corresponding to the height of the water surface and a filter supported by the frame body 2. |
