| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a water purifying apparatus capable of easily and automatically purifying the water in a small-scale closed water area without damaging the scene of a park, a garden, a garden pond or the like. SOLUTION: A water fall unit 3a is arranged in a garden pond (small-size closed water area) and constituted of a shaped structure having an internal space 41 and having three-dimensional shaped decoration imitated to a nanural rock applied to the outer surface 42 thereof, the charcoal 51 charged in the lower part of the internal space 41 and an underwater pump 6 sucking purified water by a purifying material unit 5 composed of charcoal 51 through a water collecting pipe 53. A sump part 44 into which purified water is injected from the submerged pump 6 and an overflowing part 46 are provided to the top part of the shaped structure 4 and the purified water overflowing the overflowing part 46 flows down through a flow-down passage 47 like a waterfall to be returned to the garden pond 1.</p> |
