| 摘要 |
The present invention relates to an unmanaged rainwater tank system. Provided is the unmanaged rainwater tank system to eject initial rainwater effluent containing contaminants to a base influence development equipment, and then to facilitate water-purity control and application of the rainwater. The present invention comprises: a rainwater tank body wherein a space where rainwater is stored is formed; a foreign substance control panel to prevent the foreign substance included in the rainwater from being flowed; a rainwater transfer pipe to transfer the rainwater to a lower space; a first outlet opened in order to eject the polluted initial rainwater and closed if a certain amount of the rainwater is ejected; a second outlet to eject rainwater; an automatic flow meter to check the amount of rainwater; and a control unit to control the opening and closing of the first outlet and the second outlet. |
