| 摘要 |
PURPOSE: Provided is a natural purification system using aquatic plants for four seasons to purify water and distributing uniformly treated water to an aquatic plant zone by introducing the treated water to the center of the aquatic plant zone. CONSTITUTION: The system comprises an inlet pipe(5) with a distribution pipe(33) for distributing uniformly treated water to the bottom of aquatic plant tanks(1,2), the aquatic plant tanks(1,2) arranged at both sides of the inlet pipe(5) and comprised of a distribution layer(51), a support layer(52), a gravel layer(53) and a sand layer(54) which are stacked in order from the bottom, and aquatic plants(20) planted in the aquatic plant tanks(1,2), water passages(41,42,43) defined by weirs(40a,40b,40c,40d) and an upper portion of walls of the aquatic plant tanks(1,2), and a drain pipe(11) with a drain hole(35) for removing sludge on the bottom of the aquatic plant tanks(1,2).
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