| 摘要 |
PURPOSE: A dispersing purification structure for rainwater is provided to facilitate installation and maintenance, to reduce costs for installation, and to secure a storage capacity for preventing damage caused by heavy rain. CONSTITUTION: A dispersing purification structure for rainwater comprises a drainage canal (11), a first purification part (100a), a first connection waterway (210), and a second purification part (100b). One end of the drainage canal is connected to a non-point pollution source region (10) to discharge rainwater. The first purification part is connected to the other end of the drainage canal to perform temporary retention for rainwater using the roots of plants planted and soil. One end of the first connection waterway is connected to the first purification part to discharge rainwater overflowed in the first purification part. The second purification part is connected to the other end the first connection waterway to perform temporary retention for rainwater using the roots of plants planted and soil. |
