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Publication numberUS1853045 A
Publication typeGrant
Publication dateApr 12, 1932
Filing dateJan 9, 1931
Priority dateJan 9, 1931
Publication numberUS 1853045 A, US 1853045A, US-A-1853045, US1853045 A, US1853045A
InventorsMarion G Gnau
Original AssigneeAir Conditioning & Eng
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Fluid mixing means
US 1853045 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

April' l2, 1932.

M. G. GNAU FLUID MIXING MEANS- Filed Jan. 9, 1951 INV Patented Apr. 12,? 1932,.

.um-T D STATE MARION" G. GNAU, or sit. LOUIS, missounrnssrcnon ro'rnn' m CONDITIONING AND ENGINEERING 00., or sit. LOUIS, ivi ssonnrn conro m'rron or. iurssounr FLUID mxiiue Application filed January 9,1931. Serial No. 507,577. r

This invention relates to improvements in fluid mixing methods and means, and more particularly to an improved method of and arrangement for increasing the time of mix- 'ing contact of a gas with a liquid, the present device being adapted particularly for admixing ozone with water for sterilization purposes.

An object of the present invention is to pro- Y 10 :Vide a method for increasing or prolonging the time of contact between a. gas and a liquid that a maximum length of such mixing passage'may be disposed within a given limited area.

the present example, an object of the invention is attained in the combination of a gasfit liquid injector and a mixing container or tower, with a spiral mixing passage connect ingthe injector with, the space within the tower.

Further objectslandadvantages of the invention will appear from the followingdescription, considered in connection with the accompanying drawing, in which Fig. 1 is a sectional view of an assembly adapted for use with an-ozone generator, and embodying the principles of the present invention.

Referring by reference characters to the drawing there is provided at a a liquidinlet into the mixing nozzle which may be desig-- nated as an injector or ejector nozzle, the liquid entering through the inlet acontinuing downwardly through aVenturi tube at the point 0, at which point there is produced, according to known principles, a suction within the body of the injector. At 7) there is provided a gas inlet, in the present example It is understood that the inlet 6 may be and is by preferenceconnected to a suitable source of supply of ozone, such as an ozone generator, v(not shown); Connected to the outlet portion of; the injector fitting is'a spiral'pipe d, shown .as consistingof a substantial number of'overe lying turns, and preferably formed of flexible metallic tubing. The spiral pipe or passage cl is provided with an outlet at e which may consist of a cap affixed to the discharge end ofthe passage and provided with a substantial number of peripherally disposed openings.

. As' will appear from the drawing: the spiral pipe (Z is disposed within a towerf,

elongate cylindrical form, by preference disposed vertically substantially asshown and provided with an outlet g, from which the ozonized water'may bedrawn or directed as desired. As a'provision for draining'the con-. tents of the tower f -and to permit cleaning thereof, there isprovided at a drain outlet provided with a suitable detachableiclosure fmember, such asa threaded cap.- More'particularly stated with reference to i duced through the opening a, and proceeds into the-venturi tube, the suction created by the ejector-action of the Venturipassage,

60* the tower being preferably; a. container of creates a suction at 0,-and henceat 72, causing a flow of ozone or other gas Into the fitting.

Theozone, for example, being drawn in about the inlet nozzle, to. thev Venturi passage, is picked-up by the inflowing liquid, the velocity of which causes an intimateadmixt-ure of the ozone and water, whlch then proceeds,

partly under the influiencebf gravityvand partly under-the influence of inertia ofthe incominglstreams, downwardly through the spiral pipe (Z. The turbulence resulting from the action of the ejector and venturi persists;

into and to a certainextent through the pipe (Z,with the result that, due to the relatively ozone "and airfbecome thoroughly mixed, the ozone being suspended and to a certain extent dissolved in the water as it issues from the opening r I It will be'apparent. that the dcon- Lsisting of the greatnumberof overlying 'congreat nuinberof turns in the spiral pipe, the

volutions provides a greater length of mixing passage beyond the injector fitting, than would be possible if such passage were formed of one or a few lengths of straight tubing. The curvature of the convolutions is by preference as great as is permitted by the diameter of the cooling tower so as to avoid any sharp turns or bends between the injector fitting and distributor outlet 0. It is, of course, understood that space requirements, such as the height of the tower f, as well as its diameter, are often dictated by available space for given installations and the desirability of forming apparatus of this type in standard commercial sizes.

While the foregoing description has been directed to a particular exemplary embodiment of the invention designed for affecting admixture of ozone and water, it will be understood that the principles herein described are applicable generally to devices for causing admixture or solution of gas and liquids. It will further appear that the present device is susceptible of certain changes in the parts and their combinations without departing from the spirit and full intended scope of the invention, as hereinafter claimed.

I claim as my invention:

1. In a device for mixing ozone and water, an elongate vertical container for the fluids after mixing, a fitting carried by the upper end of said container, provided with spaced, angularly arranged inlets for the ozone and water to be mixed and including a Venturi passage for bringing the fluids into initial mixture, a water nozzle having a restricted end projecting into the inlet of said Venturi passage, a spiral conduit within said container directed from said fitting to the opposite end thereof, a spray head at the discharge end of said conduit, provided with discharge openings directed radially, and along the bottom of the container, and a discharge port directed from said container and disposed near the upper end of said container.

2. In a device for mixing ozone with water, a vertical mixing tower, an inlet fitting carried near the top of said tower and having separate inlet ports for water and ozone, a member carried by the fitting having a Venturi passage therethrough, provided with an inlet adapted to receive water and ozone, a water nozzle projecting into said Venturi passage, the passage being arranged to conduct and mix both of thesaid fluids, a spiral tube disposed within the tower and having its inlet connected with the discharge of said fitting and with said Venturi, said tube consisting of a plurality of overlying turns of tubing, terminating in a downwardly projecting discharge end disposed substantially at the lower portion of said tower, whereby the fluids are adapted to flow downwardly through said tube, from the upper to the lowor end of said tower, the discharge end of MARION G. GNAU.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2754897 *Jan 22, 1951Jul 17, 1956Torsten RamenProcesses for concentrating liquids containing incrustation-forming substances
US2812861 *Feb 9, 1954Nov 12, 1957Maryland Lab IncMeans for ozone treatment of liquids
US2953306 *Dec 22, 1954Sep 20, 1960Shell Oil CoDispersing gas in a confined liquid
US3862279 *Jun 26, 1973Jan 21, 1975Sr Walter AndersenSubsurface aerator and mixer
US4479908 *Dec 19, 1983Oct 30, 1984Centre National Du Machinisme Agricole, Du Genie Rural, Des Eaux Et Des Forets (Cemagref)Device for dispersing a fluid in a jet of fluid of higher density, particularly of a gas in a liquid
US4701194 *Feb 13, 1986Oct 20, 1987Studiecentrum Voor Kernenergie, "S.C.K."Gas-treating device
US5015394 *May 9, 1989May 14, 1991Hess Machine CompanyDiffusing ozone in water, discharging, withdrawing water
US5145585 *Jul 10, 1991Sep 8, 1992Coke Alden LMethod and apparatus for treating water in a cooling system
US5376265 *Feb 1, 1994Dec 27, 1994Szabo; LouisOzone/water contactor
US5427693 *Apr 19, 1993Jun 27, 1995O-Three LimitedModular ozone water treatment apparatus and associated method
US6068778 *Dec 17, 1997May 30, 2000Tm Industrial Supply, Inc.Water purification system
US6076808 *Feb 10, 1999Jun 20, 2000Porter; Brooks S.Apparatus for producing ozonated water
US7041218Jun 9, 2003May 9, 2006Inflowsion, L.L.C.Static device and method of making
US7045060Dec 5, 2003May 16, 2006Inflowsion, L.L.C.Apparatus and method for treating a liquid
US7264394Jun 10, 2002Sep 4, 2007Inflowsion L.L.C.Static device and method of making
US7331705 *Dec 5, 2002Feb 19, 2008Inflowsion L.L.C.Static device and method of making
US8147591Nov 22, 2010Apr 3, 2012Gillette Thomas DSystems and methods for reducing off-gassed ozone
US8272582 *Sep 15, 2008Sep 25, 2012Gillette Thomas DSystems and methods for producing ozonated water on demand
US8323380Apr 2, 2012Dec 4, 2012Gillette Thomas DSystems and methods for reducing off-gassed ozone
US8690078Sep 24, 2012Apr 8, 2014Thomas D. GilletteSystems and methods for producing ozonated water on demand
US8696796Dec 3, 2012Apr 15, 2014Thomas D. GilletteSystems and methods for reducing off-gassed ozone
EP0051021A2 *Oct 20, 1981May 5, 1982Centre National Du Machinisme Agricole, Du Genie Rural, Des Eaux Et Des Forets (Cemagref)Process for finely dispersing a fluid in a stream of a high-density fluid, especially of a gas in a liquid, and apparatus therefor
EP0216069A2 *Jul 24, 1986Apr 1, 1987Gerrit ZantingeProcess for water oxygenation
WO1995021133A1 *Oct 17, 1994Aug 10, 1995Louis SzaboOzone/water contactor
Classifications
U.S. Classification261/76, 261/77, 261/DIG.420, 261/DIG.750
International ClassificationB01F5/04, C02F1/78
Cooperative ClassificationY10S261/75, Y10S261/42, B01F5/0415, C02F1/78
European ClassificationB01F5/04C12B, C02F1/78