| 摘要 |
PURPOSE: A rainwater control system with a biostone storage unit is provided to easily remove waste matters on biostone, and to easily install and remove a filtering tank while effectively purifying highly contaminated rainwater. CONSTITUTION: A rainwater control system with a biostone storage unit includes a filtering tank in which biosoil containing zeolite of a ceramic porous body. The filtering tank is made of an elliptical box. The biostone storage unit is fixed with a support bar. A convex part(221b) is inserted into a concave part(212n). A rack includes the support bar. A control box includes an automatic water pressure controller controlling a quantity of rainwater by water pressure. |
