IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0597733
(2005-05-25)
|
등록번호 |
US-8518323
(2013-08-27)
|
국제출원번호 |
PCT/US2005/018394
(2005-05-25)
|
§371/§102 date |
20080205
(20080205)
|
국제공개번호 |
WO2005/115553
(2005-12-08)
|
발명자
/ 주소 |
- Resch, Darrel R.
- Scott, Laura
- Bettle, III, Griscom
|
출원인 / 주소 |
- Vapex Environmental Technologies, Inc.
|
대리인 / 주소 |
Scully, Scott, Murpy & Presser, P.C.
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
3 |
초록
▼
The present invention relates to an apparatus for the treatment of contaminated air or surfaces in order to remove or oxidize odoriferous gases and deleterious compounds therefrom through the utilization of ozone droplets, and more particularly pertains to the treatment of manufacturing facilities,
The present invention relates to an apparatus for the treatment of contaminated air or surfaces in order to remove or oxidize odoriferous gases and deleterious compounds therefrom through the utilization of ozone droplets, and more particularly pertains to the treatment of manufacturing facilities, wet wells, seage installations, buildings, equipment and industrial installations and diverse locales subjected to foul air, in order to remove noxious and potentially toxic vapors and impurities from the air or surfaces through the dissolution of ozone in water to form droplets, and spraying the resultant mixture into the air as a fine aqueous mist. Moreover, the invention is also directed to the provision of a process for eliminating odoriferous or noxious vapor gases and harmful constituents entrained therein from a volume of contaminated air or surfaces through the utilization of ozone dissolved in water by the employment of the inventive treatment apparatus.
대표청구항
▼
1. An apparatus for the treatment of contaminated air, or surfaces in an enclosed space for the removal of odoriferous oxidizable gases and/or microorganisms and/or non-gas phase grease therefrom utilizing wet particles of ozonated water reacting with the gases, said apparatus comprising: at least o
1. An apparatus for the treatment of contaminated air, or surfaces in an enclosed space for the removal of odoriferous oxidizable gases and/or microorganisms and/or non-gas phase grease therefrom utilizing wet particles of ozonated water reacting with the gases, said apparatus comprising: at least one atomizing nozzle arranged in said enclosed space, said at least one atomizing nozzle being supplied with flows of water, propellant gas, comprised of contaminated or uncontaminated air, and ozone produced from a mixture of nitrogen and oxygen, the water, propellant gas and ozone being admixed to form a spray of ozonated water droplets into said enclosed space;a circulation inducing head being attached to said atomizing nozzle for increasing the output of said ozonated water droplets reacting with said odoriferous gases so as to eliminate odors emanating therefrom, particulate contaminants entrained in said gases and microbial contaminants; anda slotted vent tube connected to an upper end of said circulation inducing head, said slotted vent tube extending to the exterior of said enclosed space, said slotted vent tube receiving a flow of said contaminated air containing ozonated water droplets through said slots,wherein large-sized droplets coalesce within said slots and drain down along the surfaces of said vent tube and are recycled. 2. An apparatus as claimed in claim 1, wherein said mixture of nitrogen and oxygen feeding the ozone generator means ranges by volume from about 78% nitrogen and 21% oxygen to about 1% nitrogen and 99% oxygen. 3. An apparatus as claimed in claim 1, wherein said circulation inducing head comprises a surrounding solid surface having said at least one atomizing nozzle attached to one end and having an open opposite end; said surrounding solid surface having at least one aperture formed in the peripheral well so as to facilitate droplets of said ozonated water to recirculate therethrough and create a vacuum in said cylinder, whereby said vacuum draws slower moving of said droplets into said surrounding solid surface which are impinged by rapidly moving droplets from the spray of said at least one nozzle thereby increasing the number of droplets reacting with said gases. 4. An apparatus as claimed in claim 1, said at least one atomizing nozzle includes a plug structure for restricting the flow volume of said propellant gas being admixed with water and ozone to form said ozonated water droplets so as to increase the reaction time of said ozonated water droplets with said gases for eliminating odors and contaminants therefrom. 5. An apparatus as claimed in claim 1, wherein said slotted vent tube propagates a turbulent flow of contaminated air having entrained ozonated water droplets exteriorally of said tube assisting in the mixing of said droplets with said contaminated air before coalescing. 6. An apparatus as claimed in claim 1, wherein said enclosed space comprises a wet well of a sewage treatment facility, said at least one atomizing nozzle being adapted to treat oxidizable gas comprising hydrogen sulfide gas emitted by waste water in said wet well so as to cause said ozonated water droplets to absorb odors and particulate contaminants, bacteria and said virus from said hydrogen sulfide gas for purifying the contaminated air in said space. 7. An apparatus as claimed in claim 6, wherein at least two of said apparati each comprising one said atomizing nozzle in spaced relationship are operative to eliminate odors and contaminants from said emitted hydrogen sulfide gas. 8. An apparatus as claimed in claim 7, wherein a first atomizing nozzle assembly is directed into said enclosed space and a second said atomizing nozzle is directed into a polishing vent installation possessing an ion activation arrangement for wet well treatment. 9. An apparatus as claimed in claim 1, wherein said enclosed space defines a chamber of an industrial site containing oxidizable gas emitting from waste liquids; a polishing vent of a scrubber being operatively connected to said apparatus, said polishing vent including a coiled duct imparting turbulence to an air inlet flow so as to enable the reaction of ozonated water droplets for the elimination of said oxidizable gases in said closed chamber. 10. An apparatus as claimed in claim 1, wherein a polishing vent of a scrubber includes an adjustable vacuum flow limiter and an adjustable suction damper connected to a turbulence-producing coiled vent ducting is operatively connected to said treatment apparatus. 11. An apparatus as claimed in claim 1, wherein said oxidizable gas is present from the group of gases consisting of hydrogen sulfide gas, mercaptans, ammonia, dimethylsulfide, and oxidizable substrates including substituted sulfides. 12. An apparatus as claimed in claim 1, wherein said apparatus is essentially constituted of corrosion-resistant components selected from the group of materials which are consisting of fiberglass, polyvinylchloride, polyethylene, stainless steel and the like materials substantially impervious to attack by sulfur-containing gases. 13. An apparatus as claimed in claim 1, wherein said at least one atomizing nozzle is adapted to be operative in diverse enclosed spaces, such as scrubber ducts, contaminated building, lift stations including wet wells of sewage treatment plants, manufacturing facilities, and the like for eliminating odoriferous gases from contaminated air, and particulate contaminants, grease, bacteria and viruses entrained in the gases. 14. An apparatus as claimed in claim 1, wherein a recirculating atomizing nozzle is directed into a duct installation for duct disinfection wherein measurable ozone exists in the condensate of droplets exiting said ductwork. 15. An apparatus as claimed in claim 1, wherein said mixture of nitrogen and oxygen feeding the ozone generator means ranges by volume from about 93% oxygen and 7% nitrogen to about 95% oxygen and 5% nitrogen. 16. An apparatus as claimed in claim 1, wherein said mixture of nitrogen and oxygen feeding the ozone generator means is about 90% oxygen and 10% nitrogen. 17. A process for the treatment of contaminated air or surface, in an enclosed space for the removal of odoriferous sulfur-containing gases therefrom utilizing wet particles of ozonated water reacting with the gases, said process comprising: arranging at least one atomizing nozzle in said enclosed space;supplying said at least one atomizing nozzle with flows of water, a propellant gas, comprised of contaminated or uncontaminated air, and ozone produced from a mixture of nitrogen and oxygen;forming a spray of ozonated water droplets into said enclosed space by admixing the water, propellant gas and ozone in the at least one atomizing nozzle;selectively condensing water droplets larger than 7 microns, present in said spray of ozonated water droplets, whereby said condensed water droplets are removed from said spray of ozonated water droplets; andrecirculating water droplets equal to or smaller than 7 microns into said spray of ozonated water droplets. 18. A process as claimed in claim 17, wherein said mixture of nitrogen and oxygen ranges by volume from about 78% nitrogen and 21% oxygen to about 1% nitrogen and 99% oxygen. 19. A process as claimed in claim 17, further comprising generating a vacuum for drawing in slower moving of said ozonated water droplets to be impinged by rapidly moving ozonated water droplets from the spray of ozonated water droplets. 20. A process as claimed in claim 17, further comprising restricting the flow volume of said propellant gas being admixed with water and ozone to form said ozonated water droplets so as to increase the time of said ozonated water droplets with said gases to react, eliminating odors, microorganisms and contaminants therefrom. 21. A process as claimed in claim 17, further comprising propagating a turbulent flow of air having entrained ozonated water droplets to assist in the mixing of said droplets with said contaminated air prior to coalescence of said droplets. 22. A process as claimed in claim 17, wherein said enclosed space comprises a wet well of a sewage treatment facility, said at least one atomizing nozzle being adapted to treat hydrogen sulfide gas emitted by waste water in said wet well so as to cause said ozonated water droplets to absorb odors and particulate contaminants, bacteria and said virus from said gas for purifying the air in said space. 23. A process as claimed in claim 22, wherein at least two of said atomizing nozzles arranged in spaced relationship are operative to eliminate odors and contaminants from said emitted hydrogen sulfide gas. 24. A process as claimed in claim 23, wherein a first atomizing nozzle of said at least two atomizing nozzles is directed into said enclosed space and a second atomizing nozzle of said at least two atomizing nozzles is directed into a polishing vent installation possessing an ion activation arrangement for wet well treatment. 25. A process as claimed in claim 17, wherein said enclosed space defines a chamber of an industrial site containing oxidizable gas emitting waste liquids; a polishing vent of a scrubber being operatively connected to said enclosed space, said polishing vent including a coiled duct imparting turbulence to an air inlet flow so as to enable the maintenance of ozonated water droplets for the elimination of said oxidizable gases in said closed chamber. 26. A process as claimed in claim 25, wherein a polishing vent of a scrubber includes an adjustable vacuum flow limiter and an adjustable suction damper connected to a turbulence-producing coiled vent ducting is operatively connected to said atomizing nozzle. 27. A process as claimed in claim 17, wherein said odoriferous sulfur-containing gases is present from the group of gases consisting of hydrogen sulfide gas, mercaptans, ammonia, dimethylsulfide, and oxidizable substrates including substituted sulfides. 28. A process as claimed in claim 17, wherein apparatus for implementing said process is essentially constituted of corrosion-resistant components selected from the group of materials consisting of fiberglass, polyvinylchloride, polyethylene, stainless steel and the like materials which are substantially impervious to attack by sulfur-containing gases. 29. A process as claimed in claim 17, wherein said at least one atomizing nozzle is adapted to be operative in diverse enclosed spaces, selected from the group consisting of scrubber ducts, contaminated building, lift stations including wet wells of sewage treatment plants, and manufacturing facilities for eliminating odoriferous gases from contaminated air, and particulate contaminants, grease, bacteria and viruses entrained in the gases. 30. A process as claimed in claim 17, wherein said mixture of nitrogen and oxygen ranges by volume from about 93% oxygen and 7% nitrogen to about 95% oxygen and 5% nitrogen. 31. A process as claimed in claim 17, wherein said mixture of nitrogen and oxygen is about 90% oxygen and 10% nitrogen. 32. An apparatus for the sanitizing of enclosed spaces in contaminated buildings and ductwork contained in said buildings for air conditioning, ventilating and heating systems and the like through a treatment of contaminated air, or surfaces in said enclosed spaces for the removal of odoriferous sulfur-containing gases, and/or microorganisms, and or non-gas phase grease therefrom utilizing wet particles of ozonated water reacting with the gases and/or grease, said apparatus comprising: at least one atomizing nozzle arranged in said enclosed space, said at least one atomizing nozzle being supplied with flows of water, propellant gas, comprised of contaminated or uncontaminated air, and ozone produced from a mixture of nitrogen and oxygen, the water, propellant gas and ozone being admixed to form a spray of ozonated water droplets into said enclosed spaces; anda slotted vent tube housing the at least one atomizing nozzle, said slotted vent tube extending to the exterior of said enclosed space, said slotted vent tube receiving a flow of said contaminated air containing ozonated water droplets through said slots,wherein large-sized droplets coalesce within said slots and drain down along the surfaces of said vent tube and are recycled, whereby said droplets of ozonated water in said enclosed spaces eliminate odors from said odoriferous sulfur-containing gases, microorganisms and noxious particulates contained in said odoriferous sulfur-containing gases through a continuous in feed in low doses enabling nitrogen/oxygen mixtures in said droplets to render available low dosages of ozone for extended contact times. 33. An apparatus as claimed in claim 32, wherein a said atomizing nozzle is directed into said ductwork for duct disinfection wherein measurable ozone exists in the condensate of said droplets exiting from said ductwork. 34. An apparatus as claimed in claim 32, wherein said enclosed space defines a chamber of an industrial site containing oxidizable gas emitting from waste liquids; a polishing vent of a scrubber being operatively connected to said apparatus, said polishing vent including a coiled duct comprising said ductwork imparting turbulence to an air inlet flow so as to enable the reaction of ozonated water droplets for the elimination of said oxidizable gases and contaminants in said closed chamber. 35. An apparatus as claimed in claim 32, wherein said oxidizable gas causes said grease to become soluble in water so as to be for elimination from said enclosed spaces. 36. A process for the sanitizing of enclosed spaces in contaminated buildings and ductwork contained in said buildings for air conditioning, ventilating and heating systems and the like through a treatment of contaminated air or surface, in an enclosed space for the removal of odoriferous sulfur-containing gases therefrom utilizing wet particles of ozonated water reacting with the gases, said process comprising: arranging at least one atomizing nozzle in said enclosed space;supplying said at least one atomizing nozzle with flows of water, a propellant gas, comprised of contaminated or uncontaminated air, and ozone produced from a mixture of nitrogen and oxygen;forming a spray of ozonated water droplets into said enclosed space by admixing the water, propellant gas and ozone in the at least one atomizing nozzle;selectively condensing water droplets larger than 7 microns, present in said spray of ozonated water droplets, whereby said condensed water droplets are removed from said spray of ozonated water droplets; andrecirculating water droplets equal to or smaller than 7 microns into said spray of ozonated water droplets. 37. A process as claimed in claim 36, wherein said atomizing nozzle is directed into said ductwork for duct disinfection wherein measurable ozone exists in the condensate of said droplets exiting from said ductwork. 38. A process as claimed in claim 36, wherein said odoriferous sulfur-containing gases cause said grease to become soluble so as to be eliminated from said enclosed space. 39. A process as claimed in claim 36, wherein said enclosed space defines a chamber of an industrial site containing oxidizable gas emitting waste liquids; a polishing vent of a scrubber being operatively connected to said enclosed space, said polishing vent including a coiled duct comprising said ductwork imparting turbulence to an air inlet flow so as to enable the maintenance of ozonated water droplets for the elimination of said oxidizable gases in said closed chamber.
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