| 摘要 |
PURPOSE: A rainfall storage tank with vortex and filtering functions is provided to use cleanly purified rainwater and to rapidly perform a purification work and to reduce maintenance costs by easily replacing a filter bag. CONSTITUTION: A rainfall storage tank with vortex and filtering functions comprises a deposition tank(1), a storage tank(2), a filter pack(3), and an automatic water level controller(4). The deposition tank is connected to an inlet pipe(5) and an outlet pipe(6). A drain valve is installed in the deposition tank. The storage tank is connected to the deposition tank through a connection pipe(8). The filter pack is detachably installed in the top end of one side of the storage tank. The automatic water level controller controls the level of purified rainwater flowing into the storage tank to be under the filter pack. |
