| 摘要 |
The present invention provides a rainwater treatment apparatus. The rainwater treatment apparatus according to the present invention includes a cylindrical rotating part and a conical screen member which can prevent stopping of foreign matters to extend the lifespan and enhance a rainwater separation effect in order to first purify rainwater, and further includes at least two septic tanks which have floating filters in order to second purify the first purified water by a reverse flow type, thereby carrying out water purification for a long time without cleaning the rainwater treatment apparatus and improving water quality. Especially, because the septic tanks which have the floating filters are cleaned one by one and the floating filters are cleaned by a reverse cleaning type, the rainwater treatment apparatus can periodically clean the floating filters and some of the septic tanks without stopping the operation of the rainwater treatment apparatus, thereby enhancing purification effect. Moreover, because dispersing means using purified water is mounted in the septic tank which has the floating filter, the rainwater treatment apparatus can disperse agglomerated floating filters due to adhesion of foreign matters so as to easily separate the foreign matters from the floating filters, thereby enhancing cleaning effect of the floating filters and enhancing purification efficiency by uniformly dispersing the floating filters inside the septic tank. |
