CN101074138A - Method for treating ship ballast water - Google Patents

Method for treating ship ballast water Download PDF

Info

Publication number
CN101074138A
CN101074138A CNA200710011692XA CN200710011692A CN101074138A CN 101074138 A CN101074138 A CN 101074138A CN A200710011692X A CNA200710011692X A CN A200710011692XA CN 200710011692 A CN200710011692 A CN 200710011692A CN 101074138 A CN101074138 A CN 101074138A
Authority
CN
China
Prior art keywords
discharge vessel
water
ballast water
electrode
discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA200710011692XA
Other languages
Chinese (zh)
Other versions
CN101074138B (en
Inventor
孙冰
朱小梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Maritime University
Original Assignee
Dalian Maritime University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian Maritime University filed Critical Dalian Maritime University
Priority to CN 200710011692 priority Critical patent/CN101074138B/en
Publication of CN101074138A publication Critical patent/CN101074138A/en
Application granted granted Critical
Publication of CN101074138B publication Critical patent/CN101074138B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water

Abstract

A method for treating ship ballast water and its treating device are disclosed. The process is carried out by immersing two discharge electrodes into ship ballast water, applying high-voltage pulse voltage between two electrodes, producing liquid-phase discharge to generate shock wave, ultraviolet ray and various active free radicals and sterilizing mono-cell, bacterium, protozoon and other harmful living things. It utilizes shock-wave pressure and oxidation effect, ultraviolet sterilizing effect and accelerating chemical reaction, and hydroxyl-free radical, active oxy-bromide species and other free-radical high oxidation processes, the treating device consists of high-voltage power supply, discharge electrode and discharge container. It's cheap and simple and has no chemical dispensing residue. It can be used for ship ballast water transfer and shore-base treatment.

Description

A kind of novel method of Treatment of Ships'Ballast Water
Technical field
The present invention relates to discharge in water plasma body and biologic applications technical field, relate in particular to treatment process and the device of killing various harmful organisms in the ballast water for ship course of conveying.
Background technology
Water ballast is the offshore port seawater that boats and ships carry, and will be drained into during to bank in the marine site of bank state, and water ballast is to cause the main approach that harmful organism is propagated between the ocean.The biology that every day, carried in water ballast in the whole world has 3000～4000 kinds.Up to the present, to have confirmed to have the living species about 500 kinds be water-borne by ballast for cruising in the whole world.These external marine organisms are not only threatening the ecological safety of offshore coastal region, and bring tremendous loss to global economy.
The treatment process of water ballast mainly contains mechanical treatment process, physical treatment process, method of chemical treatment and some other treatment process at present.Wherein, mechanical means can be divided into filtration, cyclone separation, dilution, sedimentation and flotation, high flow rate etc.; Physical method can be divided into heat treated, discharge process, magnetization processing, ultrasonication, uviolizing processing and gamma-rays processing etc.; Chemical process mainly is to utilize the characteristic of chlorine or muriate, deoxidation treatment, hydrogen peroxide, ozone, hydroxyl radical free radical etc. to process; Other treatment processs comprise biotechnology processing, coating for protection against corrosion processing, processing on the bank etc.
Although water ballast has above-mentioned multiple treatment process,, the aspect such as can accept with regard to safe, practical, effective, cost, environment and consider, those skilled in the art thinks current a kind of effective ballast water processing that still do not have.
Summary of the invention
The novel method that the purpose of this invention is to provide a kind of Treatment of Ships'Ballast Water, this method is Treatment of Ships'Ballast Water and not have any chemical agent residual, simple to operate, with low cost effectively, both be suitable for handling in the ballast water for ship course of conveying, and also be suitable for the bank base and handle.
In order to achieve the above object, technical scheme of the present invention is as follows:
A kind of novel method of Treatment of Ships'Ballast Water, comprise the steps: two electrodes are inserted discharge vessel, these two electrodes use the insulation covering vertical fixing in discharge vessel respectively, the two ends of high-voltage pulse power source are connected to this two electrodes, ballast water for ship are carried out preliminary filtration treatment with filtration unit; Pump into discharge vessel with the ballast water for ship of pump after with preliminary treatment; In the ballast water for ship flow process, opening power, applying peak value between two electrodes is that 0～60kV, frequency are the high-voltage pulse of 0～10000Hz, make two electrodes in discharge vessel, produce discharge in water, through the discharge in water of 0.2S～2S after action time, flow into processed the finishing of ballast water for ship of discharge vessel, flow out discharge vessel.
A kind of device of novel method of Treatment of Ships'Ballast Water comprises: high-voltage pulse power source 1 is used to produce high-voltage pulse; Discharge vessel 2, level or vertical the placement are provided with water-in 3 and water outlet 4, and this discharge vessel is as the container of discharge in water reaction; Anode electrode 5, one ends are electrically connected with the positive pole of high-voltage pulse power source 1, and the other end is put into discharge vessel 2; Cathode electrode 6, one ends are connected with the negative electricity of high-voltage pulse power source 1, and the other end is put into discharge vessel 2; Electrode suppor 7, electrode suppor 8, supporting anodes electrode 5 and cathode electrode 6 respectively; Flange 9, flange 10 are located at the two ends of discharge vessel 2 respectively and perpendicular to the axis of discharge vessel 2, are used for fixing electrode suppor 7, electrode suppor 8.
Described discharge vessel 2 is one section water pipe or water tank or tank.
Described anode electrode 5 is a stick electrode, and cathode electrode 6 is stick electrode or disk electrode.
Beneficial effect of the present invention is as follows:
Between two electrodes, apply high-voltage pulse, make two electrodes in water ballast, reach discharge in water, react through discharge in water, can produce shockwave, ultraviolet ray and various living radical, utilize the pressure and the cavitation oxidation effect of shockwave again, ultraviolet bactericidal effect and promotion chemical reaction, and, harmful organisms such as unicellular, bacterium in the ballast water for ship, protozoon are directly killed in hydroxyl radical free radical, three processes of hyperoxia voltinism time effect of smelling oxygen activity species and other free radicals.Treatment of Ships'Ballast Water and not have any chemical agent residual, simple to operate, with low cost so effectively.And this method both had been suitable for handling in the ballast water for ship course of conveying, also was suitable for the bank base and handled.
Description of drawings
Fig. 1 is the device synoptic diagram of the novel method of a kind of Treatment of Ships'Ballast Water of the present invention.
Among the figure: 1, high-voltage pulse power source, 2, discharge vessel, 3, water-in, 4, water outlet, 5, anode electrode, 6, cathode electrode, 7, electrode suppor, 8, electrode suppor, 9, flange, 10, flange.
Embodiment
Below in conjunction with accompanying drawing the present invention is done description in further detail:
As shown in Figure 1, the device of the novel method of a kind of Treatment of Ships'Ballast Water of the present invention is made up of high-voltage pulse power source 1, discharge vessel 2, anode electrode 5, cathode electrode 6, electrode suppor 7, electrode suppor 8 and flange 9, flange 10.Discharge vessel 2 levels or vertical the placement which is provided with water-in 3 and water outlet 4, are used for the flow passage of ballast water for ship; Anode electrode 5 and cathode electrode 6 insert in the discharge vessel 2, and the axis normal of the axis of two electrodes and discharge vessel 2 also is suspended in the ballast water for ship.Anode electrode 5 and cathode electrode 6 are fixed with electrode suppor 7, electrode suppor 8 respectively, and two electrodes also can use insulation covering to fix, and two electrodes link to each other with two output terminals of high-voltage pulse power source 1 respectively.
In the present embodiment, discharge vessel 2 can use internal diameter to be 150mm, high cylindrical stainless steel cylinder as 140mm; Anode electrode 5 can use the metal electrode of diameter as 5mm, cathode electrode 6 can use the stainless steel disk of diameter as 23mm, the spacing of two electrodes can use setting device to regulate according to the difference of the sparking voltage that is applied, and the scope of adjusting is between 3～15mm; Crest value of impulse voltage is adjustable in 0～60kV scope, and the pulse rising front is less than 150ns, and pulse-repetition is adjustable in 0～10000Hz scope, and pulse width is in the microsecond magnitude.
The step of Treatment of Ships'Ballast Water novel method of the present invention is as follows:
Anode electrode 5 and cathode electrode 6 are inserted respectively in the discharge vessel 2, these two electrodes use electrode suppor 7, electrode suppor 8 and flange 9, flange 10 vertical fixing in the two ends of discharge vessel 2 respectively, two electrodes also can directly be fixed with electrode sleeve, two output terminals of high-voltage pulse power source 1 are connected on anode electrode 5 and the cathode electrode 6, ballast water for ship are carried out preliminary filtration treatment with filtration unit; Then, pump into discharge vessel 2 with the ballast water for ship of pump after with preliminary treatment; Flow in the process of discharge vessel at ballast water for ship, opening power, applying peak value between two electrodes is that 0～60kV, frequency are the high-voltage pulse of 0～10000Hz, the best is the pulsed voltage of peak value 30KV, frequency 250Hz, make two electrodes reach discharge in water in discharge vessel 2, discharge process produces intensive pressure surge, ultraviolet ray and various active substance OH, O 3, HO 2 -, H 2O 2., the pressure wave moment that produces can reach hundreds of and even thousands of normal atmosphere, but moment is killed various plant planktons and mushroom in the water ballast, ultraviolet ray also can be killed animals and plants, the strong oxidation of various active substances in addition makes that unit cell algae in the water ballast, protozoon, bacterium etc. are constantly killed; Through the discharge in water of 0.2S～2S after action time, best be 0.5S after, the unit cell algae in the ballast water for ship of inflow discharge vessel 2, protozoon, bacterium etc. can be killed fully, flow out discharge vessel 2 then.
The killing effect of unit cell algae in the water ballast that method of the present invention was handled, protozoon, bacterium etc., as shown in the table:
Species Before the processing After the processing Killing rate %
The unit cell algae 2.98×10 5 0 100
The halogen worm 2×10 2 0 100
Bacterium 1.0×10 6 0 100
By top example, we as can be seen, the method for Treatment of Ships'Ballast Water of the present invention is Treatment of Ships'Ballast Water and not have any chemical agent residual effectively, simple to operate, with low cost, both be suitable for handling in the ballast water for ship course of conveying, also be suitable for the bank base and handle.

Claims (4)

1, a kind of novel method of Treatment of Ships'Ballast Water is characterized in that, this method comprises the steps:
Two electrodes are inserted discharge vessels, and these two electrodes use the insulation covering vertical fixing in discharge vessel respectively, and the two ends of high-voltage pulse power source are connected to this two electrodes, with filtration unit ballast water for ship are carried out preliminary filtration treatment; Pump into discharge vessel with the ballast water for ship of pump after with preliminary treatment; In the ballast water for ship flow process, opening power, applying peak value between two electrodes is that 0～60kV, frequency are the high-voltage pulse of 0～10000Hz, make two electrodes in discharge vessel, produce discharge in water, through the discharge in water of 0.2S～2S after action time, flow into processed the finishing of ballast water for ship of discharge vessel, flow out discharge vessel.
2, application rights requires the device of the novel method of 1 described a kind of Treatment of Ships'Ballast Water, it is characterized in that, this device comprises:
High-voltage pulse power source (1) is used to produce high-voltage pulse;
Discharge vessel (2), level or vertical the placement are provided with water-in (3) and water outlet (4), and this discharge vessel is as the container of discharge in water reaction;
Anode electrode (5), an end is electrically connected with the positive pole of high-voltage pulse power source (1), and the other end is put into discharge vessel (2);
Cathode electrode (6), an end is connected with the negative electricity of high-voltage pulse power source (1), and the other end is put into discharge vessel (2);
Electrode suppor (7), electrode suppor (8), supporting anodes electrode (5) and cathode electrode (6) respectively;
Flange (9), flange (10) are located at the two ends of discharge vessel (2) respectively and perpendicular to the axis of discharge vessel (2), are used for fixing electrode suppor (7), electrode suppor (8).
3, the device of the novel method of a kind of Treatment of Ships'Ballast Water as claimed in claim 2 is characterized in that, described discharge vessel (2) is one section water pipe or water tank or tank.
4, the device of the novel method of a kind of Treatment of Ships'Ballast Water as claimed in claim 2 is characterized in that, described anode electrode (5) is a stick electrode, and cathode electrode (6) is stick electrode or disk electrode.
CN 200710011692 2007-06-11 2007-06-11 Method for treating ship ballast water Expired - Fee Related CN101074138B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200710011692 CN101074138B (en) 2007-06-11 2007-06-11 Method for treating ship ballast water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200710011692 CN101074138B (en) 2007-06-11 2007-06-11 Method for treating ship ballast water

Publications (2)

Publication Number Publication Date
CN101074138A true CN101074138A (en) 2007-11-21
CN101074138B CN101074138B (en) 2010-05-19

Family

ID=38975435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200710011692 Expired - Fee Related CN101074138B (en) 2007-06-11 2007-06-11 Method for treating ship ballast water

Country Status (1)

Country Link
CN (1) CN101074138B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102173485A (en) * 2010-12-14 2011-09-07 大连海事大学 Method for treating ship ballast water by injecting oxygen active particles in transmission pipe
CN101531410B (en) * 2009-04-09 2011-09-14 无锡蓝天电子有限公司 Ocean vessel ballast water processing method and special system using same
CN102372342A (en) * 2011-09-26 2012-03-14 厦门大学 Device for treating rubbish leachate with atmosphere plasma
CN102951762A (en) * 2012-11-16 2013-03-06 同济大学 Method and system for preventing scales and improving recycling water quality of saliferous and oily wastewater thermal desalination
CN104045194B (en) * 2014-07-04 2016-02-10 成都凯迈环保技术有限公司 A kind of ballast water treatment system
CN108946881A (en) * 2018-07-03 2018-12-07 西安航科等离子体科技有限公司 A kind of sterilizing method and device for water
CN110028190A (en) * 2019-05-29 2019-07-19 浙江国际海运职业技术学院 Ballast water treatment plant
CN114906970A (en) * 2022-05-16 2022-08-16 光大环境科技（中国）有限公司 Ship ballast water management system and method based on low-temperature plasma technology
CN115210188A (en) * 2020-03-17 2022-10-18 日海有限公司 Apparatus for treating algae in a body of water of interest using high voltage micro-pulsed electrical discharge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113463B (en) * 2001-07-04 2004-04-30 Waertsilae Finland Oy Combined Outboard Gas and Ballast Water Treatment Arrangement and Method for Waterborne Ballast Water Treatment
CN100368261C (en) * 2005-07-31 2008-02-13 大连海事大学 Water electrolytic treatment system of ballast for cruising

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101531410B (en) * 2009-04-09 2011-09-14 无锡蓝天电子有限公司 Ocean vessel ballast water processing method and special system using same
CN102173485A (en) * 2010-12-14 2011-09-07 大连海事大学 Method for treating ship ballast water by injecting oxygen active particles in transmission pipe
CN102173485B (en) * 2010-12-14 2012-07-25 大连海事大学 Method for treating ship ballast water by injecting oxygen active particles in transmission pipe
CN102372342A (en) * 2011-09-26 2012-03-14 厦门大学 Device for treating rubbish leachate with atmosphere plasma
CN102372342B (en) * 2011-09-26 2013-07-24 厦门大学 Device for treating rubbish leachate with atmosphere plasma
CN102951762A (en) * 2012-11-16 2013-03-06 同济大学 Method and system for preventing scales and improving recycling water quality of saliferous and oily wastewater thermal desalination
CN104045194B (en) * 2014-07-04 2016-02-10 成都凯迈环保技术有限公司 A kind of ballast water treatment system
CN108946881A (en) * 2018-07-03 2018-12-07 西安航科等离子体科技有限公司 A kind of sterilizing method and device for water
CN110028190A (en) * 2019-05-29 2019-07-19 浙江国际海运职业技术学院 Ballast water treatment plant
CN115210188A (en) * 2020-03-17 2022-10-18 日海有限公司 Apparatus for treating algae in a body of water of interest using high voltage micro-pulsed electrical discharge
CN114906970A (en) * 2022-05-16 2022-08-16 光大环境科技（中国）有限公司 Ship ballast water management system and method based on low-temperature plasma technology

Also Published As

Publication number Publication date
CN101074138B (en) 2010-05-19

Similar Documents

Publication Publication Date Title
CN101074138B (en) Method for treating ship ballast water
CN1197786C (en) Method for killing living beings in the course of transmission of ballast water by using ship and its equipment
CN101553434A (en) Liquid treatment methods and apparatus
CN201520661U (en) Automatic circulating water sterilizing and scale removing device
KR100928069B1 (en) Ballast water pre-treatment filter for ship and filtering method by using the same
CN101781053B (en) Method and device for killing algae and bacteria in pipeline transportation of marine ballast water
JP4209728B2 (en) Ballast water treatment method and apparatus
CN104085951A (en) Device and method for effectively treating algae-containing sewage by means of dielectric barrier discharge plasma
CN103708582A (en) Ship ballast water treatment device
CN203999033U (en) The efficient device of processing containing algae sewage of dielectric barrier discharge plasma
JP2016507376A (en) In-line treatment of ship ballast water with circulation piping to suppress biofilm formation
CN102642960A (en) Device and method for ship ballast water processing and applied to seawater/freshwater
JP5749852B2 (en) Fluid treatment method and system using a flow generator to treat water
CN102351274A (en) Ultraviolet inactivation reaction vessel
Starchevskyy et al. The effectiveness of food industry wastewater treatment by means of different kinds of cavitation generators
CN202717658U (en) Ship ballasting water treatment device applicable to seawater/fresh water
CN107445256A (en) A kind of continuous stream filtering type electrolysis ozone sterilizing method
US8900461B2 (en) Apparatus and method for treating ship ballast water using electron beams
CN205313292U (en) Middle -size and small -size energy -conserving cooling circulating water treatment system
CN103482719B (en) Device for treatment of living organisms in ballast water by utilizing pulsed strong light and photocatalysis technology
CN217921541U (en) Device for treating blue algae water
KR20190008164A (en) Water treatment apparatus using plasma underwater discharge and water treatment system comprising the same
CN109264817A (en) A method of control algal grown and inhibition Microcystin
CN202717657U (en) Composite ship ballasting water treatment device
CN102367191A (en) Method and equipment for treating ballast water by combining filtration, UV ultrasound and deoxidation by nitrogen filling

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100519

Termination date: 20140611

EXPY Termination of patent right or utility model