RAINWATER CONTAINING STRUCTURE

摘要

PURPOSE: A multipurpose water storage tank for preventing flood and a rainwater inflow structure is provided to maximize flood prevention effects by installing a dispersed type rainwater storage tank in a large scale at small costs. CONSTITUTION: A multipurpose water storage tank for preventing flood and a rainwater inflow structure comprise a movable rainwater storage device inside a fixed structure. An inlet and an influent channel are formed in the fixed structure. An opening device and a purifier are formed at the inlet. The installation and the dismantlement of movable rainwater storage device are enabled, and the movable rainwater storage device comprises an upper drainage path and a lower drainage device. One of the drainage paths is connected to an end of the influent channel. [Reference numerals] (10) Multi-purpose rainwater storage tank; (11) Rainwater outlet with a pumping unit; (12) Three-stage drainage path for successive filling of rainwater; (13) Openable lower drainage path; (14) Rainwater inflow path with a filtering unit; (15) Rainwater inlet with an opening and closing unit; (16) Movable rainwater storage device; (AA) Second floor; (BB) First floor; (CC) First basement floor; (DD) Second basement floor; (EE) Third basement floor