| 摘要 |
<p>PROBLEM TO BE SOLVED: To perform the improvement of the stability of a water treating system and the efficiency, reduction of the cost and maintenance expenses, to perform miniaturization, etc., and further to enhance the degree of freedom in the operation of the system without increasing the number of the system components. SOLUTION: This system is provided with plural treating tanks 10, 40 and 50, an air supply means 60 for supplying the air used in the treatment in the tanks and transfer between the tanks, an air passage switching means 70 provided with air outlets H1 to H6 switchable to one another for each use including 2 outlets H5 and H6 communicable with one air inlet H0 for receiving the air sent from the supply means at the same time, a pipeline connecting the respective air outlets to the respective treating tanks and a control means for controlling the swithcing means 70 in the predetermined timing and supplying the air necessary for each use.</p> |
