INSTALLATION FOR TREATING WATER Russian patent published in 1997 - IPC

FIELD: water treatment. SUBSTANCE: installation includes supply line with switch unit enabling delivering water into drain branch pipe and branch line. The latter includes mechanical treatment filter, injector, and chemical and/or sorption treatment unit. Passive injector nozzle is connected to vacuum line communicating with ozonator outlet. Vacuum line comprises buffer capacity and sensor element of vacuum relay, executive member of which is included into ozonator power-supply circuit. In operating installation, ozonator is switched on only when necessary underpressure in vacuum line is attained which is provided by proper dynamic parameters of water entering injector. EFFECT: improved process flowsheet and automated ozonation process. 3 cl, 1 dwg