| 摘要 |
<p>PROBLEM TO BE SOLVED: To perform a water cleaning system in the case that water to be treated is allowed to flows continuously. SOLUTION: This device comprises tanks 10 introduced the water to be treated in parallel, and water cleaning treatment units 11 having a filter arranged under the water level of the water to be treated, a pump for allowing the water to be treated to generate a water stream to pass through the filter, and a washing device for washing the filter, which are arranged on each of the tanks 10 arrayed in parallel, and is also provided with valves 57 for switching an introduction of the water to be treated into the tanks 10 arrayed in parallel. Even through the water cleaning treatment unit 11 for washing the filter at one tank 10 is stopped, the water cleaning can be performed with the water purifying treatment units 11 of other tanks 10 by allowing the water to be treated to flow to the other tanks 10.</p> |
