CN102491451A - Device and method with ultrasonic ozone and ultraviolet synergized for water treatment - Google Patents

Device and method with ultrasonic ozone and ultraviolet synergized for water treatment Download PDF

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Publication number
CN102491451A
CN102491451A CN2011104216590A CN201110421659A CN102491451A CN 102491451 A CN102491451 A CN 102491451A CN 2011104216590 A CN2011104216590 A CN 2011104216590A CN 201110421659 A CN201110421659 A CN 201110421659A CN 102491451 A CN102491451 A CN 102491451A
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China
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ozone
ultraviolet
water
inner core
ultrasonicization
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CN2011104216590A
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伊学农
宋桃莉
金鑫
王峰
赵青
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Abstract

The invention discloses a device and a method with ultrasonic ozone and ultraviolet synergized for water treatment. The device comprises an outer cylinder and an inner cylinder positioned inside the outer cylinder, an ultraviolet treatment area is formed between the outer cylinder and the inner cylinder, and a water outlet is arranged on the upper portion of the wall of the outer cylinder. An ultraviolet lamp is arranged on the outer wall of the inner cylinder, an air inlet pipe and an air escape valve are arranged at the top of the inner cylinder, and an ozone inlet pipe is arranged at the bottom of the inner cylinder and connected with an ozone aerator. A padding layer is arranged on the inner upper of the inner cylinder, an ultrasonic reaction area is arranged below the padding layer, and a water outlet valve and an ultrasonic transducer are disposed on the inner wall of the ultrasonic reaction area. Using the device to treat slightly-polluted waste water enables quality of discharged water to reach the primary standard of national emission standards, and the problem of bromate during ozonization of brominated waste water can be solved. In addition, the device and the method have the advantages of simple flow, no pollution and low cost.

Description

Water treatment device and method that ultrasonicization ozone and ultraviolet are collaborative
Technical field
The invention belongs to environmental protection and field of energy-saving technology, relate to the equipment of a kind of micro-polluted water or waste water advanced processing, be specifically related to a kind of ultrasonicization ozone and ultraviolet collaborative water treatment device and method.
Background technology
Micropollutant water is meant that generally the pollutant kind that is contained is more, character is complicated, but the humbleer water body of concentration ratio.Its Micropollutants mainly comprise petroleum hydrocarbon, volatile phenol, ammonia nitrogen, agricultural chemicals, COD, heavy metal, arsenic, prussiate, iron, manganese etc.; These pollutents all can cause very big murder by poisoning to HUMAN HEALTH, especially those be difficult to degrade, be easy to biological accumulation and have three cause effect toxic organic pollutant in polluted water, also produced certain flavor of smelling.
Conventional drinking water treatment technology mainly is coagulation, deposition or clarification, filtration and sterilization.Its main removal then is difficult to remove for micro polluting substance to liking suspended substance, colloidal impurity and the bacterium in the source water.To little pollution problem, people on the basis of tap water conventional treatment process, have researched and developed a lot of new technologies and technology comprises the advanced treatment technology.Advanced treatment typically refers to after conventional treatment process, adopts the proper process method, and the pollutent that conventional treatment process can not effectively be removed or the precursor of DBPs are removed, and improves and guarantees drinking water quality.In the advanced treatment technology, using has more widely: charcoal absorption, ozone oxidation, ozone and activated carbon, biological activated carbon and membrane technique etc.
The oxidizing reaction of ozone in the aqueous solution is because ozone is a kind of unsettled strong oxidizer, O 3And the intermediate product radical that in water, decomposes has very strong oxidizing property.Therefore, it is some element and organic cpds in the aqueous oxidizing rapidly and widely, even under lower concentration, also can accomplish moment.Simultaneously ozone in water, can form hydroxyl radical free radical (OH) with strong oxidation not only can disinfection, all right oxygenolysis water pollutant.
But there is certain problem in ozone itself, and for example the ozone energy consumption is higher, and productive rate is lower, and the ozone concn of ozonizer generation both at home and abroad is generally 5%~10%; The solubleness of ozone in water is not high, and most of ozone is overflowed because of not dissolving from water after having reacted, and drains as tail gas at last; Ozone has very strong toxicity and inflammable and explosive; When handling brominated waste water, the by product bromate that ozone oxidation produces also is a hazardous and noxious substances.
Summary of the invention
To the problem that above-mentioned prior art is mentioned, the present invention proposes a kind of ozone of ultrasonicization efficiently and ultraviolet collaborative water treatment device and method, with efficient low-consume to micro-polluted water or waste water advanced the processing.
Technical scheme of the present invention is following:
The water treatment device that ultrasonicization ozone and ultraviolet are collaborative comprises urceolus and inner core, and inner core is positioned at urceolus inside, forms the ultraviolet treatment zone between said urceolus and the said inner core, and wall of the outer-rotor top is provided with water outlet; Said inner core outer side wall is provided with uv lamp, and the inner core top is provided with inlet pipe and snifting valve, and the bottom is provided with the ozone inlet pipe, and said ozone inlet pipe connects ozonation aerated device; Said inner core inner upper is provided with packing layer, and the packing layer bottom is the ultrasonic reaction district, and ultrasonic reaction district inner side-wall is provided with outlet valve and ultrasonic transducer.
Said ozonation aerated device is spherical ozonation aerated device.
Said packing layer is the fixedly filler that comprises soft cellulose filler, vertical elastic filler and comprehensive filler.
Said ultrasonic transducer links to each other with an outer ultrasonic signal generating unit of device.
The number of said uv lamp is 4~10, is evenly distributed on the outer wall of inner core.
Said uv lamp can produce 200~250nm wavelength UV-light.
The diameter of said inner core is 1: 6~1: 8 with the high ratio of device.
The diameter of said urceolus is 1: 4~1: 5 with the high ratio of device.
The aspect ratio in the height of said packing layer and said ozone reaction district is 1: 1~3: 1.
The collaborative water treatment method of ultrasonicization ozone of the present invention and ultraviolet utilizes aforesaid device to carry out, and implementation step is following:
(1) pending water is injected by inner core top water inlet pipe, ozone is overflowed from the input of inner core bottom inflow pipe and from the ball crown type aerator, open ultrasonic transducer, under hyperacoustic synergy, ozone and processed water reaction; The ozone intake pressure is at 0.08MP~0.20MP, and said supersonic transducer frequency is arranged on 20~80khz, and power is controlled at 30-40W, and the sound intensity is controlled at 0.1~3.0W/cm 2, reaction times 8~30min;
(2) water of step (1) being handled gets into the ultraviolet treatment zone through outlet valve, opens uv lamp, reaction times 35-45min, and the processed water that will reach emission request is discharged through the water outlet of ultraviolet treatment zone side wall upper part.
Principle of the present invention is:
(1) hyperacoustic porphyrization impels ozone bubbles to be ground into microbubble, has greatly improved the dissolution rate of ozone, has increased the concentration of ozone in the unit time, and the pollutent in the water receives the ozone with high concentration effect, rapid oxidized degraded; Hyperacoustic cavitation effect can make local a large amount of cavitation bubble that produces, and the high temperature that produces in the cavitation bubble is higher than 5000K and high pressure 50MP, impels the ozone in the cavitation bubble directly to decompose fast; In solution, produce more active hydroxyl radical free radical; And accelerated the propagation rate in solution, the radical of generation, the shockwave that is accompanied by the cavitation bubble collapse gets in the water; Because the hydroxyl radical free radical oxidisability is extremely strong, water pollutant is by oxidative degradation rapidly; Oxygen conversion a little less than the ultrasonic cavitation effect impels the ozone degradation production by oxidisability under the normal temperature and pressure becomes the strong water of oxidisability under the normal temperature and pressure, makes that the degradation effect of pollutent is better;
(2) be employed in packing layer and add filler, the mode of ozone and water countercurrent flow can increase the aqueous vapor contact area to be upgraded with the turbulent fluctuation of accelerating liquid film, improves the solubleness of ozone and is convenient to abundant reaction;
(3) after processed water gets into the UV treatment zone; Bromate is can produce decomposition under the uv irradiating of 200~250nm at wavelength; And DNA (thymus nucleic acid) or the molecular structure of RNA (Yeast Nucleic Acid) of the ultraviolet ray that utilizes suitable wavelength in can the destroy microorganisms body cell; Cause the growth cell death with (or) the reproducibility necrocytosis, reach the effect of sterilization and disinfection.Ultraviolet can be removed part bromate in the sewage simultaneously, reduces the composition of bromate in the water outlet.
Owing to adopted technique scheme, the present invention to have following beneficial effect:
Can reach more than 90% for the pollution clearance that is difficult to degrade in general little pollutant effluents and the waste water advanced processing, smell the basic removal of flavor in the processed water; The bromate problem that occurs in the time of can removing the brominated waste water of ozonize is removed the residual harmful substance of ozone reaction simultaneously and processed water is carried out disinfection; It is simple that the present invention has flow process compared to miscellaneous equipment and technology, and ozone free tail gas is residual, and floor space reduces; Be easy to the advantage of managing and keeping in repair; Its working cost reduces by 15%~20%, need not to be provided with the tail gas reclamation set, and effluent quality can reach the primary standard of discharging standards.
Description of drawings
Fig. 1 is the structural representation of the collaborative water treatment device of ultrasonicization of the present invention ozone and ultraviolet.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
Embodiment:
The water treatment device that ultrasonicization ozone of the present invention as shown in Figure 1 and ultraviolet are collaborative; Comprise urceolus 100 and the inner core 200 that is positioned at urceolus 100; The diameter of urceolus 200 is 1: 4 with the high ratio of device; The diameter of inner core 200 is 1: 6 with the high ratio of device, forms ultraviolet treatment zone 110 between urceolus 100 and the inner core 200, and urceolus 100 wall tops are provided with water outlet 111; Average mark is furnished with 6 uv lamps 210 that can produce 200~250nm wavelength UV-light on the inner core outer side wall; Inner core 200 tops are provided with inlet pipe 201 and snifting valve 202; The bottom is provided with ozone inlet pipe 203, and ozone inlet pipe 203 connects the spherical ozonation aerated device 204 of a rubber diaphragm system; The inner core inner upper is provided with packing layer 205, loads in the packing layer 205 to comprise the fixedly filler of loading soft cellulose filler, vertical elastic filler and comprehensive filler; Packing layer 205 bottoms are ultrasonic reaction district 206, and the aspect ratio in the height of packing layer and ozone reaction district is 1: 1; Ultrasonic reaction district inner side-wall is provided with outlet valve 207 and ultrasonic transducer 208, and ultrasonic transducer 208 links to each other with an outer ultrasonic signal generating unit (not shown) of equipment.
Get petrochemical industry sewage and utilize aforesaid device to handle, the COD:860mg/L~1200mg/L of composite wastewater, BOD:240mg/L~330mg/L, NH3-N:35mg/L~67mg/L, smelly threshold value: 300~600, concrete treatment step is following:
(1) above-mentioned sewage is injected by inner core top water inlet pipe 201; Ozone is got into ultrasonic reaction district 206 from 203 inputs of inner core bottom inflow pipe and from ball crown type aerator 204; Sewage flows downward and ozone formation convection current through packing layer 205; Open ultrasonic transducer 208, under hyperacoustic synergy, ozone fully is dissolved in the sewage and reacts with processed water; The ozone intake pressure is arranged on 0.1MP, and supersonic transducer frequency is arranged on 80khz, and power is controlled at 40W, and the sound intensity is controlled at 3.0W/cm 2, reaction times 30min;
(2) water of step (1) being handled gets into ultraviolet treatment zone 110 through outlet valve 207, opens uv lamp 210, and reaction times 40min discharges treated water through water outlet 111.
Water outlet to through above-mentioned processing detects: COD:<60mg/L, BOD:<15mg/L, NH3-N:<15mg/L, smelly threshold value:<10.
Can find out that through the foregoing description the present invention significantly improves compared to its efficient of other treatment facility, stable effluent quality, operation conditions is good.
The foregoing description is interpreted as only being used to the present invention is described and is not used in restriction protection scope of the present invention.After the content of having read the present invention's record, those skilled in the art can do various changes or modification to the present invention, and these equivalences change and modify and fall into claim of the present invention institute restricted portion equally.

Claims (10)

1. the collaborative water treatment device of ultrasonicization ozone and ultraviolet is characterized in that comprise urceolus and inner core, inner core is positioned at urceolus inside, forms the ultraviolet treatment zone between said urceolus and the said inner core, and wall of the outer-rotor top is provided with water outlet; Said inner core outer side wall is provided with uv lamp, and the inner core top is provided with inlet pipe and snifting valve, and the bottom is provided with the ozone inlet pipe, and said ozone inlet pipe connects ozonation aerated device; Said inner core inner upper is provided with packing layer, and the packing layer bottom is the ultrasonic reaction district, and ultrasonic reaction district inner side-wall is provided with outlet valve and ultrasonic transducer.
2. the water treatment device that ultrasonicization ozone according to claim 1 and ultraviolet are collaborative is characterized in that said ozonation aerated device is spherical ozonation aerated device.
3. the water treatment device that ultrasonicization ozone according to claim 1 and ultraviolet are collaborative is characterized in that, said packing layer is the fixedly filler that comprises soft cellulose filler, vertical elastic filler and comprehensive filler.
4. the water treatment device that ultrasonicization ozone according to claim 1 and ultraviolet are collaborative is characterized in that, ultrasonic transducer links to each other with an outer ultrasonic signal generating unit of device.
5. the water treatment device that ultrasonicization ozone according to claim 1 and ultraviolet are collaborative is characterized in that the number of said uv lamp is 4~10, is evenly distributed on the outer wall of inner core.
6. according to claim 1 or 5 described ultrasonicization ozone and the collaborative water treatment device of ultraviolet, it is characterized in that said uv lamp can produce 200~250nm wavelength UV-light.
7. the water treatment device that ultrasonicization ozone according to claim 1 and ultraviolet are collaborative is characterized in that, the diameter of said inner core is 1: 6~1: 8 with the high ratio of device.
8. the water treatment device that ultrasonicization ozone according to claim 1 and ultraviolet are collaborative is characterized in that, the diameter of urceolus is 1: 4~1: 5 with the high ratio of device.
9. the water treatment device that ultrasonicization ozone according to claim 1 and ultraviolet are collaborative is characterized in that the aspect ratio in the height of said packing layer and said ozone reaction district is 1: 1~3: 1.
10. ultrasonicization ozone and the collaborative water treatment method of ultraviolet that utilizes any said device of claim 1~9 is characterized in that, may further comprise the steps:
(1) pending water is injected by inner core top water inlet pipe, ozone is overflowed from the input of inner core bottom inflow pipe and from the ball crown type aerator, open ultrasonic transducer, under hyperacoustic synergy, ozone and processed water reaction; The ozone intake pressure is at 0.08MP~0.20MP, and said supersonic transducer frequency is arranged on 20~80khz, and power is controlled at 30-40W, and the sound intensity is controlled at 0.1~3.0W/cm 2, reaction times 8~30min;
(2) water of step (1) being handled gets into the ultraviolet treatment zone through outlet valve, opens uv lamp, reaction times 35-45min, and the processed water that will reach emission request is discharged through the water outlet of ultraviolet treatment zone side wall upper part.
CN2011104216590A 2011-12-15 2011-12-15 Device and method with ultrasonic ozone and ultraviolet synergized for water treatment Pending CN102491451A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103112924A (en) * 2013-03-06 2013-05-22 河海大学常州校区 Experimental device and method for degrading farm chemicals by utilizing synergy of ultrasound and ozone
CN103570099A (en) * 2013-09-13 2014-02-12 上海大学 Method for inhibiting production of bromated in ozonization process
CN103896436A (en) * 2014-04-22 2014-07-02 上海理工大学 Water depth treatment technology using filter material synergistically modified with ultraviolet (UV) and ozone and equipment thereof
CN104803469A (en) * 2015-05-15 2015-07-29 天津理工大学 Ozone, ultraviolet light and ultrasonic wave synergistic wastewater treatment device and working method thereof
CN106348506A (en) * 2016-10-27 2017-01-25 孙剑 Low-power consumption water purifying equipment
CN106517619A (en) * 2017-01-03 2017-03-22 吉林师范大学 Device and method for treating organic wastewater by sound, light and ozone coupling
CN106630108A (en) * 2016-10-31 2017-05-10 浙江大学苏州工业技术研究院 Wastewater decolorizing device with rotating releaser and decolorizing method
CN107572698A (en) * 2016-07-05 2018-01-12 苏松清 A kind of combined type degassing sterilization processing device
CN107986538A (en) * 2018-01-19 2018-05-04 兰州交通大学 A kind of optoacoustic is electrically coupled can field multi-stage oxidizing-UF membrane collaboration water treatment system and technique
CN108658333A (en) * 2018-06-04 2018-10-16 大连鑫恒环保科技有限公司 Efficient ultrasonic ozone enhanced photocatalysis oxidized waste water processing system
CN108745235A (en) * 2018-08-24 2018-11-06 西南大学 Circulation ultrasonic nano particle dispersion reactor in a kind of gas-lifting type
CN108821422A (en) * 2018-06-29 2018-11-16 中电环保股份有限公司 A kind of device improving wastewater biochemical
CN109748353A (en) * 2019-02-22 2019-05-14 东北师范大学 The device and method for treating water of water process are carried out based on flow control microvesicle-ozone coupling
CN111003860A (en) * 2019-12-03 2020-04-14 南京易德高臭氧有限公司 Ozone treatment equipment for sludge wastewater and use method
CN117303621A (en) * 2023-08-21 2023-12-29 华南理工大学 Method and device for degrading skatole and 2-methyl isoborneol in water

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* Cited by examiner, † Cited by third party
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JP2007167807A (en) * 2005-12-26 2007-07-05 Toyo Valve Co Ltd Fluid purification device and method
CN201006844Y (en) * 2007-02-07 2008-01-16 武汉大学 Acousto-optic cooperated with ozone outside circulation wastewater treatment device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007167807A (en) * 2005-12-26 2007-07-05 Toyo Valve Co Ltd Fluid purification device and method
CN201006844Y (en) * 2007-02-07 2008-01-16 武汉大学 Acousto-optic cooperated with ozone outside circulation wastewater treatment device

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103112924A (en) * 2013-03-06 2013-05-22 河海大学常州校区 Experimental device and method for degrading farm chemicals by utilizing synergy of ultrasound and ozone
CN103112924B (en) * 2013-03-06 2014-02-26 河海大学常州校区 Experimental device and method for degrading farm chemicals by utilizing synergy of ultrasound and ozone
CN103570099A (en) * 2013-09-13 2014-02-12 上海大学 Method for inhibiting production of bromated in ozonization process
CN103896436A (en) * 2014-04-22 2014-07-02 上海理工大学 Water depth treatment technology using filter material synergistically modified with ultraviolet (UV) and ozone and equipment thereof
CN104803469A (en) * 2015-05-15 2015-07-29 天津理工大学 Ozone, ultraviolet light and ultrasonic wave synergistic wastewater treatment device and working method thereof
CN107572698A (en) * 2016-07-05 2018-01-12 苏松清 A kind of combined type degassing sterilization processing device
CN106348506A (en) * 2016-10-27 2017-01-25 孙剑 Low-power consumption water purifying equipment
CN106630108A (en) * 2016-10-31 2017-05-10 浙江大学苏州工业技术研究院 Wastewater decolorizing device with rotating releaser and decolorizing method
CN106517619A (en) * 2017-01-03 2017-03-22 吉林师范大学 Device and method for treating organic wastewater by sound, light and ozone coupling
CN106517619B (en) * 2017-01-03 2024-08-09 吉林师范大学 Device and method for treating organic wastewater by coupling sound, light and ozone
CN107986538A (en) * 2018-01-19 2018-05-04 兰州交通大学 A kind of optoacoustic is electrically coupled can field multi-stage oxidizing-UF membrane collaboration water treatment system and technique
CN108658333A (en) * 2018-06-04 2018-10-16 大连鑫恒环保科技有限公司 Efficient ultrasonic ozone enhanced photocatalysis oxidized waste water processing system
CN108821422A (en) * 2018-06-29 2018-11-16 中电环保股份有限公司 A kind of device improving wastewater biochemical
CN108745235A (en) * 2018-08-24 2018-11-06 西南大学 Circulation ultrasonic nano particle dispersion reactor in a kind of gas-lifting type
CN109748353A (en) * 2019-02-22 2019-05-14 东北师范大学 The device and method for treating water of water process are carried out based on flow control microvesicle-ozone coupling
CN111003860A (en) * 2019-12-03 2020-04-14 南京易德高臭氧有限公司 Ozone treatment equipment for sludge wastewater and use method
CN117303621A (en) * 2023-08-21 2023-12-29 华南理工大学 Method and device for degrading skatole and 2-methyl isoborneol in water

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Application publication date: 20120613