CN202808427U - Device for treating ship ballast water and refractory organically contaminated wastewater - Google Patents
Device for treating ship ballast water and refractory organically contaminated wastewater Download PDFInfo
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- CN202808427U CN202808427U CN 201220271575 CN201220271575U CN202808427U CN 202808427 U CN202808427 U CN 202808427U CN 201220271575 CN201220271575 CN 201220271575 CN 201220271575 U CN201220271575 U CN 201220271575U CN 202808427 U CN202808427 U CN 202808427U
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Abstract
The utility model aims at provides a device for treating ship ballast water and refractory organically contaminated wastewater. The device comprises a reactor, a ground electrode, a high-voltage electrode, an aeration tube, an ultrasonic transducer, an ultrasonic generator and a catalyst, wherein the ground electrode is arranged on the inner wall of the reactor; the high-voltage electrode is arranged in the center inside the reactor; the aeration tube is arranged at the bottom of the reactor, and connected with the ultrasonic transducer; the ultrasonic transducer is connected with the ultrasonic generator; and filler is filled in the reactor. According to the device, hydrogen peroxide and ozone are generated online in the electricity discharge process, and oxidants are not required to be added, so that consumption of ozone can be reduced, quick decomposition of hydrogen peroxide and ozone can be promoted, and the reaction efficiency can be greatly improved.
Description
Technical field
The utility model relates to field of Environment Protection, specifically the treatment unit of waste water.
Background technology
The marine species that causes with ballast water for ship is to the infringement of ocean environment, confirmed as four large one of threaten of harm ocean by Global Environment Facility's tissue.According to statistics, be identified in the about 10,000,000,000 t water ballasts of the now annual transhipment in the whole world 500 kinds of living species have been arranged approximately.More by the biological species that water ballast shifts, unicellular lower eukaryote and some fish such as plant plankton, zooplankton, bacterium and pathogenic agent.For example every liter of water ballast is the highest contains 110,000 unicellular algaes, and the dinoflagellate of on average surviving in each ballast tank is embraced nearly 300,000,000 in subnumber order.Ballast water for ship has stronger flowability, is the main path of species space transfer.These are biological in case invade new suitable existence zone, just can uncontrollably carry out the madness breeding, predation is local biological as food, so that harmful parasite and pathogenic agent big area are rapidly propagated, the marine ecology balance of havoc locality, local environment, economy and human health are produced threat, and these threats are long-term.International Maritime Organizaton (IMO) has passed through " Management of Ships ' Ballast Water and settling management and control pact " in London on February 13rd, 2004.This pact is open for various countries' official approval acceptance on June 1st, 2004.According to the regulation of the 2nd of pact " general responsibility ", each country concerned should guarantee to implement fully the regulation of present convention and supplemental provisions thereof to prevent, to reduce and finally to eliminate the propagation of unwanted aquatic organism and pathogenic agent by control and management ballast for cruising water and sediment comprehensively.According to the requirement of pact, if the new ship that builds up later on January 1st, 2009 must be installed special treatment facility; New ships all from 2012 all should be installed ballast water treatment system, and all existing ship then should be equipped with the technique device before the end of the year 2016.Therefore, find the technology that is fit to the processing ballast pollution to become instant problem.
The method of the Treatment of Ships'Ballast Water that at present research both at home and abroad is more mainly contains mechanical process, Physical and chemical process.These methods find to exist energy consumption in research process larger, and efficient is hanged down and the shortcomings such as cost is higher, and therefore the Pollution abatement for ballast water for ship awaits further deeply.
Ultrasonic technology be frequency greater than the elastic wave of 16kHz, be a kind of environmental friendliness technology, have the reaction conditions gentleness, speed of response is fast, applied widely, operation and control are easily, be convenient to introduce the automated operation means, in processing, do not introduce other chemical substance, do not cause secondary pollution.Can unite use separately or with other water technologies, be a kind of technology that development potentiality and application prospect are arranged very much.In the aqueous solution, the major effect that produces when cavitation occurs has: thermolysis, free radical reaction and chemical conversion, supercritical water oxidation.This is just for being difficult to realize that those reactions that maybe can not realize provide a kind of new very special materialization environment under general chemical reaction condition.Although use separately the ultrasonic wave a series of pollutents in the water body of can degrading simply, easily, still there are the problems such as degradation efficiency is low, long reaction time, energy consumption height in this technology, greatly improves its reaction efficiency with other technologies coupling meeting.
Plasma body is to have chemically reactively, is different from the 4th kind of material existence of 3 kinds of material existences of solid, liquid, gas.It is generally acknowledged that plasma body is molecular by the grains such as atom, molecule and free radical of electronics, negative ions, excited state.Utilize high-voltage pulse power source in water or aerial discharge can obtain low-temperature plasma, be attended by simultaneously the high temperature pyrolysis in the plasma channel, ultraviolet photolysis and because the physical influences such as the electric cavitation effect of the liquid that the bubble that the passage proximity produces causes and supercritical water oxidation on plasma channel surface.In the high pressure pulse discharge reactor, add solid catalyst and can greatly promote reaction efficiency.
In order further to improve reaction efficiency, enhancing is for the ballast water for ship treatment effect, so that it can qualified discharge, reduce the harm to ocean environment, the intensified by ultrasonic wave technology that adopts in the utility model, specifically adopt the intensified by ultrasonic wave plasma technique, and the effect of fortifying catalytic agent, treatment effect greatly improved.
The patent of application number 201110183875.6 provides a kind of plasma body and ultrasonic integrated sewage treatment unit [1], and plasma body spray to the ultrasound unit of utilizing gas blower that the hf and hv pulse corona discharge is produced is proceeded the processing of sewage.This introducing process can lose the active specy that partial discharge produces, for example hydroxyl radical free radical and ozone etc. undoubtedly.The patent disclosure of application number CN200810156932.X a kind of device and method of generating hydroxyl radical with supersonic wave cooperated dense ionization electric discharge [2], hyperacoustic effect provides atomizing in this patent, liquid water is atomized through ultrasonic atomizer, fog and oxygen enter gas mixture together to be mixed, and then enter discharging plasma reactor, do not strengthen the effect of plasma discharge process.
Documents:
[1] Mao Bingchun, kingdom is anti-, Xu Nenggui etc. plasma body and ultrasonic integrated sewage treatment unit .CN201110183875.6
[2] savings space, Wu Chun is sincere, Zhao Rujin etc. a kind of device and method .CN200810156932.X of generating hydroxyl radical with supersonic wave cooperated dense ionization electric discharge
Summary of the invention
A kind of Treatment of Ships'Ballast Water that the purpose of this utility model is to provide does not need admixture, reduce secondary pollution and the device of difficult degradation organic polluting water.
The purpose of this utility model is achieved in that
The device of a kind of Treatment of Ships'Ballast Water of the utility model and difficult degradation organic polluting water, it is characterized in that: comprise reactor, ground electrode, high voltage electrode, aeration tube, excusing from death transverter, ultra-sonic generator, catalyzer, ground electrode is installed on the reactor wall, high voltage electrode is installed in the inside reactor central position, aeration tube is installed in reactor bottom, aeration tube connects the excusing from death transverter, and the excusing from death transverter connects ultra-sonic generator, and catalyzer is filled in the reactor.
The utility model can also comprise:
1, the area of described aeration tube accounts for the 1/20-1/10 of reactor bottom area.
2, catalyzer comprises activated alumina, gac, titanium dioxide.
3, described catalyst surface is metal oxide-loaded, comprises TiO
2, CuO, MnO
2, Fe
2O
3, FeO, La
2O
3, Sb
2O
5, TeO
2, NiO, Ce
2O
3, SiO2, ZnO, SnO, Fe
3O
4, Gd
2O
3, Co
3O
4
4, described ground electrode is drum forms, and high voltage electrode is line or line cartridge form.
Advantage of the present utility model is: the utility model hydrogen peroxide and ozone all are the online generations of discharge process, do not need to add again these oxygenants, reduce the loss of ozone, promoted the fast decoupled of hydrogen peroxide and ozone, greatly improved reaction efficiency.
Description of drawings
Fig. 1 is structure drawing of device of the present utility model.
Embodiment
For example the utility model is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the purpose of this utility model can be achieved by following technical measures:
The packaged type discharge reactor is set in ballast tank, by between two electrodes, applying pulse high-voltage, produces impulsive discharge, generate a series of active species that have than strong oxidizing property.Simultaneously apply ultrasonic wave in ballast tank, ultrasonic wave can be carried out deactivation to the hydrobionts such as harmful algae in the cabin, and ultrasonic wave can also be strengthened the effect of the chemically active species of discharge process generation in addition, improves treatment effect.Can add solid catalyst in the discharge reactor, comprise activated alumina, gac, titanium dioxide or solid catalyst surface are metal oxide-loaded etc.Ultrasonic wave can be strengthened the katalysis of activated alumina, gac and titanium dioxide, and solid catalyst surface also can metal oxide-loaded TiO
2, CuO, MnO
2, Fe
2O
3, FeO, La
2O
3, Sb
2O
5, TeO
2, NiO, Ce
2O
3, SiO
2, ZnO, SnO, Fe
3O
4, Gd
2O
3, Co
3O
4Etc..Ultrasonic wave can be strengthened metal oxide-loaded catalytic effect, so that reaction efficiency increases substantially.Voltage between the discharge electrode is 10～100kV, and hyperacoustic frequency is 10～1000kHz, and hyperacoustic power is 20～1000w, and the treatment time is 1～30min, pitch time be the ultrasonic operation of 0.1～10d once.
The device of intensified by ultrasonic wave Treatment of Ships'Ballast Water of the present utility model is:
The packaged type discharge reactor is set in ballast tank, guarantees in ballast tank, moving by equipment such as supports.By apply pulse high-voltage between two electrodes, high voltage electrode is line or line cartridge form, and ground electrode is drum forms, and perhaps electrode is plate plate form.Voltage between the discharge electrode is 10～100kV.The discharge reactor bottom is aerating apparatus, and aeration tube accounts for 1/20～1/10 of reactor bottom area, in order to avoid stop the hyperacoustic release in bottom.The aeration tube bottom connects ultrasonic transducer.Can add solid catalyst in the discharge reactor, comprise activated alumina, gac, titanium dioxide or solid catalyst surface are metal oxide-loaded etc.
Effect of the present utility model is:
Hyperacoustic mechanism of action mainly comprises following 3 kinds: heating mechanism, and ultrasonic wave is when water transmission, and its vibrational energy is constantly absorbed by water, becomes heat; Mechanical schemes, under sound field reflecting, various and stress, strain or the mechanical parameter relevant with vibration also change thereupon, also thereupon fluctuation of Local physical character in the medium, thus will cause the transmission of corresponding matter and energy.Cavitation mechanism, when applying the ultrasonic wave of certain frequency and intensity in the liquid, can produce a large amount of micro-bubbles, these micro-bubbles form, vibrate, grow, are contracted to that this extreme physical environment may cause some special chemical reaction in the process of collapse at it.More than three kinds of ul-trasonic irradiations mechanism interact, interact.Utilize ultrasonic wave can destroy frustule interior air bag and photosynthesizer, ultrasonic wave can be removed the algae in the water body in a short period of time in large quantities, the high-speed jet that produces in the cavitation bubble rupture process, intense impact ripple and shearing force etc. cause the particularly violent destruction of airbag structure of algae of frustule, thereby have effectively controlled the growth of biomass.The ultrasonic cavitation technology can be accelerated chemical reaction with special form of energy, causes the sound solution, thereby impels the degraded of Organic Pollutants in Wastewater, and its mechanism of action mainly is the oxygenizement of direct pyrolysis and hydroxyl radical free radical.
Produce in the process of plasma body at high pressure pulse discharge, when applying high voltage pulse between the electrode, and in reaction unit, pass into air or oxygen, can form high-energy electron in the highfield that between electrode, produces, under the effect of high-energy electron, can form multiple plasma body (OH, H with greater activity, O
1O
2, HO
2, H
2O
2, O
3Deng).The high temperature pyrolysis in the plasma channel, ultraviolet photolysis and because the physical influences such as the electric cavitation effect of the liquid that the bubble that the passage proximity produces causes and supercritical water oxidation on plasma channel surface have also been produced in addition.Add solid phase particles between discharge electrode, pass into air, oxygen or ozone simultaneously in electric discharge device, the reaction on catalyst surface may comprise several steps, for example absorption, ozonolysis reactions, surface oxidation reaction and desorption process.Under the effect of a large amount of strong oxidation activity species hydroxyl radical free radical that produces in above process, the bacterium in the water ballast, algae and protozoon and pathogenic agent etc. can access effective deactivation, and organic pollutant can oxidizedly be degraded.
Discharge process produces H
2O
2Under hyperacoustic effect, can produce a large amount of highly active OH free radicals, on the cavitation bubble collapse liquid-vaqor interface of moment and in the solution, strong oxidizer H
2O
2With the oxygenolysis with Persistent organic pollutants in deactivation that high chemically active free radical OH will promote that algae in the water, pathogenic agent and bacterium etc. are biological and the water.In the ultrasonic oxidation process, the cavatition of ultrasonic wave itself can make the organic pollutants molecular degradation, ultrasonicly in addition also can make H
2O
2Decompose the effective oxyradical of generation such as OH and HOO, thereby cause organism that a series of oxidative degradation occurs.In addition, the decomposition of the ozone that ultrasonic wave can also the catalysis discharge process produces forms hydroxyl radical free radical, improves algae in the water and the removal effect of organic pollutant.Generate online because hydrogen peroxide and ozone all are discharge processes, therefore do not need to add again these oxygenants, also reduced the loss of ozone, promoted the fast decoupled of hydrogen peroxide and ozone, greatly improved reaction efficiency.
In addition, in the discharge system, added metal oxide, at ultrasonic wave, H
2O
2When coexisting with metal oxide, but metal oxide catalysis H
2O
2Decompose, promote cavitation to occur.Ultrasonic wave can activate heterogeneous catalyst and impel cavitation to form and be attributed to ultrasonic radiation and H
2O
2The synergy of heterogeneous catalytic oxidation.Ultrasonic wave is because strengthened adsorption effect to the strengthening effect of gac, and can continue the cleaning active carbon surface.Ultrasonic sonoluminescence effect can make titanium dioxide can constantly catch the generation that strengthens cavitation phenomenon behind the energy of ultrasonic cavitation generation, therefore can play promoter action to ultrasonic degradation.The violent turbulence that ultrasonic wave causes can be strengthened the solid-liquid mass transfer between pollutent and the solid catalyst.The metal oxide of catalyst surface can promote the hydrogen peroxide that produces in the discharge process and the decomposition of ozone, generates a large amount of hydroxyl radical free radicals.And hyperacoustic effect also can promote this reaction process.Discharge process also can produce UV-light, studies show that, ultrasound light-catalyzed degradation of organic substances has synergistic effect, and this mainly is because ultrasonic procedure can produce free radical, with the free radical degradation of organic substances of photocatalytic process generation.In addition, hyperacoustic can also so that photocatalyst reduce congregation, so that the specific surface area of photocatalyst increases, increasing catalytic active center, thereby improve the catalytic performance of photocatalyst.Ultrasonic energy continues to clean solid catalyst and loaded catalyst surface, keeps the activity of catalyzer.
Therefore, in the process of intensified by ultrasonic wave plasma body, multiple physical-chemical reaction process is occuring.Under hyperacoustic strengthening effect, greatly improved reaction efficiency, strengthened for the harmful algae in the ballast water for ship, germ etc., and the algae in the eutrophication water and the treatment effect of organic polluting water, be with a wide range of applications.
Claims (9)
1. the device of a Treatment of Ships'Ballast Water and difficult degradation organic polluting water, it is characterized in that: comprise reactor, ground electrode, high voltage electrode, aeration tube, excusing from death transverter, ultra-sonic generator, catalyzer, ground electrode is installed on the reactor wall, high voltage electrode is installed in the inside reactor central position, aeration tube is installed in reactor bottom, aeration tube connects the excusing from death transverter, and the excusing from death transverter connects ultra-sonic generator, and catalyzer is filled in the reactor.
2. the device of a kind of Treatment of Ships'Ballast Water according to claim 1 and difficult degradation organic polluting water, it is characterized in that: the area of described aeration tube accounts for the 1/20-1/10 of reactor bottom area.
3. the device of a kind of Treatment of Ships'Ballast Water according to claim 1 and 2 and difficult degradation organic polluting water, it is characterized in that: catalyzer comprises activated alumina, gac, titanium dioxide.
4. the device of a kind of Treatment of Ships'Ballast Water according to claim 1 and 2 and difficult degradation organic polluting water, it is characterized in that: described catalyst surface is metal oxide-loaded, comprises TiO
2, CuO, MnO
2, Fe
2O
3, FeO, La
2O
3, Sb
2O
5, TeO
2, NiO, Ce
2O
3, SiO
2, ZnO, SnO, Fe
3O
4, Gd
2O
3, Co
3O
4
5. the device of a kind of Treatment of Ships'Ballast Water according to claim 3 and difficult degradation organic polluting water, it is characterized in that: described catalyst surface is metal oxide-loaded, comprises TiO
2, CuO, MnO
2, Fe
2O
3, FeO, La
2O
3, Sb
2O
5, TeO
2, NiO, Ce
2O
3, SiO
2, ZnO, SnO, Fe
3O
4, Gd
2O
3, Co
3O
4
6. the device of a kind of Treatment of Ships'Ballast Water according to claim 1 and 2 and difficult degradation organic polluting water, it is characterized in that: described ground electrode is drum forms, high voltage electrode is line or line cartridge form.
7. the device of a kind of Treatment of Ships'Ballast Water according to claim 3 and difficult degradation organic polluting water, it is characterized in that: described ground electrode is drum forms, high voltage electrode is line or line cartridge form.
8. the device of a kind of Treatment of Ships'Ballast Water according to claim 4 and difficult degradation organic polluting water, it is characterized in that: described ground electrode is drum forms, high voltage electrode is line or line cartridge form.
9. the device of a kind of Treatment of Ships'Ballast Water according to claim 5 and difficult degradation organic polluting water, it is characterized in that: described ground electrode is drum forms, high voltage electrode is line or line cartridge form.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271575 CN202808427U (en) | 2012-06-11 | 2012-06-11 | Device for treating ship ballast water and refractory organically contaminated wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271575 CN202808427U (en) | 2012-06-11 | 2012-06-11 | Device for treating ship ballast water and refractory organically contaminated wastewater |
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| CN202808427U true CN202808427U (en) | 2013-03-20 |
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| CN 201220271575 Expired - Fee Related CN202808427U (en) | 2012-06-11 | 2012-06-11 | Device for treating ship ballast water and refractory organically contaminated wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689939A (en) * | 2012-06-11 | 2012-09-26 | 哈尔滨工程大学 | Device and method for treating vessel ballast water and nondegradable organic wastewater by utilizing ultrasonic intensification |
| CN103539234A (en) * | 2013-11-06 | 2014-01-29 | 中国海洋石油总公司 | Integrated processing method of fracturing flow-back fluid |
| CN106927634A (en) * | 2017-04-10 | 2017-07-07 | 浙江省现代建筑设计研究院有限公司 | Waste water treatment system for hospitals |
-
2012
- 2012-06-11 CN CN 201220271575 patent/CN202808427U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689939A (en) * | 2012-06-11 | 2012-09-26 | 哈尔滨工程大学 | Device and method for treating vessel ballast water and nondegradable organic wastewater by utilizing ultrasonic intensification |
| CN103539234A (en) * | 2013-11-06 | 2014-01-29 | 中国海洋石油总公司 | Integrated processing method of fracturing flow-back fluid |
| CN103539234B (en) * | 2013-11-06 | 2015-01-07 | 中国海洋石油总公司 | Integrated processing method of fracturing flow-back fluid |
| CN106927634A (en) * | 2017-04-10 | 2017-07-07 | 浙江省现代建筑设计研究院有限公司 | Waste water treatment system for hospitals |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20140611 |