Ultra fine bubble maker and ultra fine bubble water production apparatus

摘要

Ultra fine bubble water production equipment 1Centrifugal pumpEjector 4Cascade pumpBranch portion P downstream of cascade pumpA return passage 7 connected between the ejector 4 and the cascade pump 6 from the bifurcation part pFlow control valve 9 and first ultra fine bubble maker 2A provided in return passageThe discharge path 8 leading to the branch partThe second ultra fine bubble maker 2B and the control device 13 provided on the discharge path 8 are provided.The control device 13 adjusts the air amount regulating valve 5, the swirling pump 3, the cascade pump 6 and the flow rate adjusting valve 9 on the basis of the measured values of the concentration meter 10 of the discharge path 8 and the first and second pressure meters 11 and 12 on the downstream side and the upstream side of the cascade pump 6.