| 摘要 |
PURPOSE:To provide a water treatment device capable of effective eliminating water bloom on a lake much in the quantity of water without having effect on fish. CONSTITUTION:Floats 13 are arranged to an annular body at a predetermined interval in a horizontal surface direction and many ultraviolet sterilizing lamps 14 each received in a jacket are provided between the floats 13 and jets 15 injecting ozonecontaining water to the ultraviolet sterilizing lamps supported on the annular body are arranged to the central part 12 of the annular body 11. |
