Patent ID: 6254838
Filing Date: 2001-07-03
Classification: C02F

Abstract:
A system for delivering water with a predetermined concentration of ozone, comprising:A) a contact tank having a substantially elongated shape and positioned upright with first top and bottom ends, said first contact tank including first and second inlets and first and second outlets, said first inlet being located adjacent to said top end and being connected to a water supply , said first outlet being located below said first inlet, said second inlet being located below said first inlet and above said first outlet, and said second outlet being located adjacent to said bottom end below said first outlet and said contact tank further including a first gas off valve mounted to said first top end;B) pump means for suctioning the water contained in said first contact tank and said pump means including a third inlet and a third outlet, said third inlet being connected to said first outlet;C) ozone supply means having an intake port and an exit port;D) venturi means for injecting ozone to said water, said venturi means having a fourth inlet and a fourth outlet, said fourth inlet being connected to said third outlet, and said venturi means further including a conduit connected to exit port of said ozone supply means and said venturi means further including a bypass valve means in parallel for selectively diverting the water coming through said fourth inlet;E) means for separating entrained gas in water including a fifth inlet being connected to said fourth outlet, said means for separating entrained gas includes secondary contact tank with second top and bottom ends that receives the water at said second bottom end from said fifth inlet and further including a second off gas valve for releasing said entrained gases including ozone and said fifth outlet being connected to said second inlet and said means for separating entrained gas includes a cylindrical member having third top and bottom ends with a seventh inlet and a seventh outlet, said seventh inlet receiving the water from said second top end, and said cylindrical member includes a helicoidal wall and a centrally disposed perforated tube defining a helicoidal path between the cylindrical member and the centrally disposed perforated tube so that the water is forced downwardly through said helicoidal path and the entrained ozone passes through said perforated tube upwardly to said first off gas valve;F) water conditioner means having a sixth inlet and a sixth outlet, said sixth inlet being connected to said second outlet, and said sixth outlet adapted to deliver the processed water to a user's application within a predetermined range of ozone concentration; andG) ozone destruction means connected to said first and second gas off valves.