CN107686185A - Ship ballast water processing method and equipment - Google Patents
Ship ballast water processing method and equipment Download PDFInfo
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- CN107686185A CN107686185A CN201610629951.4A CN201610629951A CN107686185A CN 107686185 A CN107686185 A CN 107686185A CN 201610629951 A CN201610629951 A CN 201610629951A CN 107686185 A CN107686185 A CN 107686185A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 277
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 140
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 78
- 239000013535 sea water Substances 0.000 claims abstract description 59
- 241000894006 Bacteria Species 0.000 claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 claims abstract description 58
- 238000001914 filtration Methods 0.000 claims abstract description 45
- 230000001954 sterilising effect Effects 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 33
- 238000002203 pretreatment Methods 0.000 claims abstract description 5
- 238000011045 prefiltration Methods 0.000 claims description 33
- 241000233866 Fungi Species 0.000 claims description 2
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- 239000000463 material Substances 0.000 description 8
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- 230000033228 biological regulation Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
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- 239000004155 Chlorine dioxide Substances 0.000 description 5
- 235000019398 chlorine dioxide Nutrition 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000249 desinfective effect Effects 0.000 description 4
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- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- KQPBSBAEBKRAAU-UHFFFAOYSA-N hypochlorous acid;sodium Chemical compound [Na].ClO KQPBSBAEBKRAAU-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
-
- 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
- C02F2103/08—Seawater, e.g. for desalination
Abstract
The present invention relates to water-treatment technology field, and more particularly to ship ballast water processing method and equipment, ship ballast water processing method includes pre-treatment step：Pre-filtering processing is carried out to pending seawater, obtains pre-treating seawater；Filtration step：Hyperfiltration treatment is carried out to pre-treating seawater, obtained through the ultrafiltration production water of milipore filter and through the ultrafiltration concentrated water of milipore filter；Ultrafiltration concentrated water sterilisation step：Sterilization processing is carried out to ultrafiltration concentrated water.Ship ballast water treatment equipment includes pretreatment system, filtration system and the disinfection system being sequentially connected.Above-mentioned ship ballast water processing method and equipment, by the combination of ultrafiltration system and disinfection system, the seawater for ship ballasting is needed with processing, it is compact-sized, automaticity is high, efficiency high, easy to operate, cost is cheap, it can be used in the water inlet process of ship ballasting and the navigation of ship, go out except the microorganism and bacterium in ship ballast water, and suppress its regeneration, and the process sterilization speed is fast, efficiency high.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly to a kind of ship ballast water processing method and equipment.
Background technology
The threat that tellurian marine environment faces, it can substantially be concluded as four big classifications, i.e.,：A certain marine organisms pair
The intrusion of other marine ecosystems；Marine pollution from land；Overfishing to marine resources and ocean is given birth to
The physical destruction of thing habitat.Wherein ship, which is considered as causing a certain marine organisms, invades other marine ecosystems
The reason for generation entered, it is specific the reason for be to adhere in ballast water for ship (or " water ballast ") containing marine organisms and hull
There are marine organisms, these biologies can be transferred to another ocean from a certain ocean through ship.Therefore ballast water for ship is to cause geography
The main approach that marine organisms strange land is propagated between sexual isolation water body.The trade in commodities in the world more than 80% is to pass through Shipping
, also, annual about 30 to the 50 hundred million tons of ballast waters in the whole world are flowed by ship in each seashore.It is every year inside various countries and each
Also substantial amounts of ballast water flows within area.For modern transportation, ballast water is required, it may ensure that ship
Safety and efficient operation, ensure the balance and stably of non-loading ship.However, it also gives ecological environment, economy and human health
Cause threat.
There is increasing country in the world at present, bad living species caused by ship ballast water are attacked this area water
The situation in domain is equally strictly handled as oily wastewater pollution case, and this undoubtedly it is also proposed higher requirement to the processing of water ballast.
Early in 2 months 2004, International Maritime Organization (IMO) had already been through an international water ballast management contract newly formulated
(Ballast Water Management Convention), and it is expected that formally effective in January, 2009, worldwide
Implement in full.The main contents of the pact are exactly turning for ballast water and residue of the control containing dangerous aquatile and pathogen
Move, requirements of convention：During navigation, ship should be in deep-sea, open waters and far as possible from ballast water exchange is carried out at seashore, need to be away from
At least 200 nautical miles from nearest land and the depth of water at least more than 200m.Therefore must be installed additional on ship safe efficient, quick, low
The ship ballast water treatment system of cost.The regulation that IMO installs ballast water treatment plant for different ships is different, and its is strong
System installation is progressively implemented.It is not unique, but has its counterpart, and the U.S. has also accordingly formulated almost comes into force and its provision content is tight in the same time
U.S.'s water ballast laws and regulations on the management that strict degree goes even farther compared with international water ballast management contract, and the regulation shows
Covert specific execution, and existing specific case are being had begun to, for example, every ship oil wastewater, including water ballast get cabin
Ship, once being found on the spot, will be fined heavily by sentencing, party is possibly even in prison.In addition, also Australian,
Canada, the water ballast laws and regulations on the management of European Union area country also begin in a disguised form perform now.As can be seen here, it is international in the world to navigate
Flourishing countries and regions are transported, for the attention degree of ballasting water management.And the international shipping ballasting water pipe that will be issued and implemented
Reason pact by make that shipowner faces it is most severe the problem of, be that ship must exchange water ballast in accordance with the law in the shipping way to before port,
And there is the strict limitation of a series of ship ballast water laws and regulations.Therefore must be installed additional on ship safe efficient, fast
The ship ballast water treatment system of speed, low cost, to tackle increasingly stricter water ballast regulation.
In the improvement of current ballast water for ship pest invasion problem, relatively large biology can use the side of physical filtering
Method removes, and still, unicellular organism and small protozoan can not effectively remove because individual is too small.Scientific worker is carried out
The research work of a large amount of preventing and treating ballast water for ship pest invasions：The method for such as changing ballast water at deep-sea, it is effective
The feasible measure of invasive plants is reduced, but the problems such as too high consumed energy and operation, run time is long be present；Heating pressure
Water law is carried, the Nitzschia closterium minutissima in ballast water is just lethal after 2 hours under the conditions of 38 DEG C of water temperature, there is that processing time is long, energy consumption
Thermal stress that is too high, being formed will influence the insoluble problems such as safety of ship.
The content of the invention
Based on this, it is necessary to the problem of for how to improve filter efficiency and germicidal efficiency, there is provided a kind of ship ballast water
Processing method and equipment.
A kind of ship ballast water processing method, comprises the following steps：
Pre-treatment step：Pre-filtering processing is carried out to pending seawater, obtains pre-treating seawater；
Filtration step：Hyperfiltration treatment is carried out to pre-treating seawater, obtained through the ultrafiltration production water of milipore filter and not through super
The ultrafiltration concentrated water of filter membrane；
Ultrafiltration concentrated water sterilisation step：Sterilization processing is carried out to the ultrafiltration concentrated water.
In one of the embodiments, in addition to water sterilisation step is produced in ultrafiltration：Ultrafiltration production water after filtering is sterilized
Processing.
In one of the embodiments, in addition to collection step：Ultrafiltration concentrated water after sterilization and the ultrafiltration after sterilization are produced
Water is collected processing respectively.
A kind of ship ballast water treatment equipment, including pretreatment system, filtration system and the disinfection system being sequentially connected；
The pretreatment system is used to carry out pre-filtering processing to pending seawater, obtains pre-treating seawater；
The filtration system is used to carry out hyperfiltration treatment to pre-treating seawater, obtains the ultrafiltration production water and not through milipore filter
Through the ultrafiltration concentrated water of milipore filter；
The disinfection system is used to carry out sterilization processing to ultrafiltration concentrated water.
In one of the embodiments, in addition to respectively the concentrated water pond and production pond being connected with the ultrafiltration system, it is described
Concentrated water pond is also connected with the disinfection system,
The concentrated water pond is used to collect ultrafiltration concentrated water, and is gone out in the presence of the disinfection system except in ultrafiltration concentrated water
Microorganism and bacterium；The production pond is used to collect ultrafiltration production water.
In one of the embodiments, in addition to control system；The pre-filtration system, the ultrafiltration system and described kill
Fungus strain system includes sensor respectively, for detecting the seawater component of correspondence system；The sensor is connected with the control system
Connect.
In one of the embodiments, the control system also respectively with the pre-filtration system, the ultrafiltration system and
The disinfection system connection, for system corresponding to the signal handling according to the sensor.
In one of the embodiments, in addition to the Sea Chest and booster pump that are sequentially connected, the booster pump also with pre- mistake
Filter system is connected, and the control system be connected with the Sea Chest and the booster pump respectively, for control its unlatching or
Person closes.
In one of the embodiments, in addition to ballast tank, the ballast tank is connected with the production pond, super for injecting
Filter production water.
In one of the embodiments, the Sea Chest, the booster pump, the pre-filtration system, the ultrafiltration system,
The disinfection system, the concentrated water pond, production one or more of the pond and the ballast tank include control valve respectively
Door；The control valve is connected with the control system.
Above-mentioned ship ballast water processing method and equipment, by the combination of ultrafiltration system and disinfection system, to handle needs
Compact-sized for the seawater of ship ballasting, automaticity is high, and efficiency high is easy to operate, and cost is cheap, can be used in ship
In the water inlet process of ballasting and the navigation of ship, go out except the microorganism and bacterium in ship ballast water, and suppress its regeneration, and
The process sterilization speed is fast, efficiency high.
Brief description of the drawings
Fig. 1 is the step schematic flow sheet of one embodiment of the invention ship ballast water processing method；
Fig. 2 is the structural representation of one embodiment of the invention ship ballast water treatment equipment；
Fig. 3 to Fig. 6 is respectively the structural representation of the ship ballast water treatment equipment of various embodiments of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
Referring to Fig. 1, it is the step schematic flow sheet of one embodiment of the invention ship ballast water processing method, ship pressure
Cabin method for treating water 10 includes pre-treatment step S11, filtration step S12 and ultrafiltration concentrated water sterilisation step S13.
Pre-treatment step S11：Pre-filtering processing is carried out to pending seawater, obtains pre-treating seawater.For example, pending sea
Water is the seawater from ocean, that is, prepares the seawater for injecting ship ballasting.
This step by pending seawater carry out pre-filtering processing, it is therefore an objective to remove the larger impurity of external diameter in seawater and
Grain, to protect the milipore filter used in filtration step S12, make its without prejudice.It is appreciated that seawater is pre-processed
It can realize and once filter, mitigate the live load of secondary filter.In one embodiment, impurity or particle after pretreatment in seawater
External dimensions to be advisable less than 50 microns.In one embodiment, the external dimensions of impurity or particle after pretreatment in seawater with
It is advisable less than 100 microns.
Filtration step S12：Hyperfiltration treatment is carried out to pre-treating seawater, obtains ultrafiltration production water and ultrafiltration concentrated water, wherein ultrafiltration
It is the seawater through milipore filter to produce water, and its bacteria containing amount is smaller, and for ultrafiltration concentrated water not pass through the seawater of milipore filter, it is rich in micro- life
Thing, bacterium and other pollutants.
It is appreciated that through the seawater after filtering film used and do not pass through the film seawater exist on composition it is poor
It is different, therefore in this step, ultrafiltration production water is that its bacteria containing amount is smaller, conforms generally to discharge through the seawater after filtering film used
Standard.The present embodiment is using Pollution From Ships thing discharge standard GB3552-83 (April 9 nineteen eighty-three People's Republic of China's town and country rings
Border protection portion issue is implemented October 1 nineteen eighty-three.
Ultrafiltration concentrated water is does not pass through the seawater of the film, and it is rich in microorganism, bacterium and other pollutants, it is necessary to by killing
Bacterium sterilization can be discharged, in order to avoid cause the destruction to marine ecology.
Ultrafiltration concentrated water sterilisation step S13：Sterilization processing is carried out to ultrafiltration concentrated water.It is appreciated that the ultrafiltration after sterilization
Microorganism, bacterium in concentrated water can be removed by effective go out, and ultrafiltration concentrated water meets discharge standard after sterilization processing, can directly arrange
Enter sea, or be collected into concentrated water pond, to be discharged into sea in suitable place.
The amount of bacteria produced in order to ensure ultrafiltration in water is not exceeded, in an embodiment, in addition to ultrafiltration production water sterilisation step：It is right
Ultrafiltration production water carries out sterilization processing.Sterilizing operation is carried out to ultrafiltration production water can be as much as possible by ultrafiltration production water residual
Bacterium removed to go out, to meet discharge standard.
In one embodiment, in addition to collection step：Ultrafiltration concentrated water after sterilization and ultrafiltration production water are received respectively
Collection processing.For example, being directly discharged into sea to the ultrafiltration concentrated water after sterilization, or it is collected into concentrated water pond.For example, ultrafiltration production water is direct
Used in injection ship ballasting.
At present, hyperfiltration technique is widely used in various water or sewage treatment area.The core of hyperfiltration technique is milipore filter,
It is the filter membrane that a kind of pore diameter range is 0.001-0.02 microns.Milipore filter screening process, using the pressure differential of film both sides as driving
Power, using milipore filter as filter medium, under pressure, and when stoste flows through film surface, the densely covered many of ultrafiltration membrane surface
Tiny micropore only allows water and small-molecule substance by turning into permeate, and in stoste volume is more than film surface micropore footpath
Material is then trapped within the liquid feeding side of film, turns into concentrate, thus realizes the purpose of purification, separation and the concentration to stoste.
The micropore less than 0.1 micron it has been covered with ultrafiltration membrane filaments tube wall, its aperture only allows the beneficial ore deposit in hydrone, water
Material and trace element are by that can remove bacterium and the colloid more much bigger than bacterium volume, iron rust, suspension, mud completely
Sand, larger molecular organicses etc., it is achieved thereby that purification process.
Therefore by hyperfiltration technique application and ballast water treatment, it is possible to produce the increasingly automated and continuous place of spaces compact
Manage equipment.And the microorganism and bacterium being retained down then have been transferred in the seldom ultrafiltration concentration water of water, then using letter
Single sterilization technology can effectively kills all microorganisms and bacterium, and because water is few, sterilization of high efficiency, energy consumption or
Person's medicine consumption is very low.
Based on above-mentioned hyperfiltration technique, the present invention proposes a kind of ship ballast water treatment equipment, referring to Fig. 2, it is this
The structural representation of an embodiment ship ballast water treatment equipment 20 is invented, ship ballast water treatment equipment 20 includes being sequentially connected
Pre-filtration system 110, ultrafiltration system 120 and disinfection system 130.In the present embodiment, pre-filtration system 110, ultrafiltration system 120
Pipeline is passed sequentially through with disinfection system 130 to connect.
For example, pre-filtration system 110 has filter membrane, pre-filtration system 110 removes pending seawater by the filter membrane
Middle external diameter larger impurity and particle, obtain pre-treating seawater.And for example, filtration system 110 has been also equipped with other devices to coordinate
Filter membrane filters to seawater, such as other devices include simple housing, blowdown part, transmission device and electric control system
Deng, in the present embodiment simply highlightedly illustrate that it has filter membrane, with expected from realization pre-filtering handle seawater.Further,
Pre-filtration system can be grid maker, Microfilter, accurate filter, self-cleaning filter, disk filter, sand filter, activity
The combination of carbon filter or two kinds of above-mentioned filters, filtering accuracy are 5-1000 μm.
For example, ultrafiltration system 120 has milipore filter, ultrafiltration system 120 removes pre-treating seawater China and foreign countries by the milipore filter
The less bacterium in footpath and microorganism, obtain through the ultrafiltration production water after milipore filter and do not pass through the ultrafiltration concentrated water of milipore filter.Can
To understand, due to the size for designing aperture and being less than bacterium of milipore filter, the less bacterium of external diameter and microorganism may be thoroughly in seawater
Cross the milipore filter and be trapped within the liquid feeding side of milipore filter, turn into concentrate i.e. ultrafiltration concentrated water, thus realize the purification to stoste
With the purpose of separation.
Equally, it should be pointed out that ultrafiltration production water refers to the less seawater of bacteria containing amount, and ultrafiltration concentrated water refers to be rich in micro- life
The seawater of thing, bacterium and other pollutants.It is also to be understood that pending seawater is after ultrafiltration system is handled, through ultrafiltration
Film produces water for ultrafiltration, is not ultrafiltration concentrated water through milipore filter.
Disinfection system 130 has ozone disinfecting system, for going out except the microorganism and bacterium in ultrafiltration concentrated water.Namely
Say, disinfection system 130 is gone out except the microorganism and bacterium in ultrafiltration concentrated water using the technology of ozone sterilization.In addition, be worth mentioning
It is that in ozone sterilization technology, ozone destroys the structure of microbial film with the oxidation of oxygen atom, to realize bactericidal action.It is smelly
Inactivation reaction of the oxygen to bacterium is always carried out rapidly, unlike other bactericide：Ozone can be with bacteria cell wall fat
The double bond reaction of class, penetrates inside thalline, acts on albumen and lipopolysaccharides, change the permeability of cell, so as to cause bacterium dead
Die, therefore germicidal efficiency can be effectively improved using ozone sterilization technology.For example, disinfection system passes through S-shaped pipeline or U-shaped
Pipeline or tree-like pipeline communication house the concentrated water pond of ultrafiltration concentrated water.
For example, can be dosing disinfection system, such as liquid chlorine, sodium hypochlorite, chlorine dioxide, hydrogen peroxide, strong oxygen
Agent etc.；Can also be UV germicidal system, ozone disinfecting system, ultrasonic sterilization system；It can also be heating disinfection system.
For example, disinfection system sets injection structure and some anther sacs, the injection structure is used for every time by the sterilization article in an anther sac
Inject in ultrafiltration concentrated water.Wherein, each anther sac sets some cavitys, and in each anther sac, each cavity is respectively used to be stored with
Liquid chlorine, sodium hypochlorite, chlorine dioxide, hydrogen peroxide etc. sterilize article, for example, being provided with liquid chlorine cavity, secondary chlorine in each anther sac
Sour sodium cavity, chlorine dioxide cavity and hydrogen peroxide cavity, its volume ratio are 1:1.5:2:5, so, it is fixed accurately to inject
The sterilization article of amount, easy to use, protection operating personnel's safety, and there is preferable bactericidal effect.For example, the anther sac is outer
The vial of rubber sleeve is covered, is provided with four cavitys, there is glass wall and respectively encapsulation process between each cavity, for example with
Rubber stopper seal, the volume of each cavity is different, and its volume fraction is 1:1.5:2:5, it is respectively used to be stored with liquid chlorine, hypochlorous acid
Sodium, chlorine dioxide, hydrogen peroxide.And for example, the dense basin bottom is provided with injection port, and the injection structure is used to every time to
One anther sac is injected in the concentrated water pond by injection port, opens the anther sac of sealing and its each cavity afterwards.
In this way, by the combination of ultrafiltration system and disinfection system, to handle the seawater needed for ship ballasting, structure is tight
Gather, automaticity is high, and efficiency high is easy to operate, and cost is cheap, can be used in the water inlet process of ship ballasting and the boat of ship
In row, go out except the microorganism and bacterium in ship ballast water, and suppress its regeneration, and the process sterilization speed is fast, efficiency high.
Referring to Fig. 3, it is the structural representation of further embodiment of this invention ship ballast water treatment equipment, ship ballasting
Water treatment facilities also include the production pond 140 and concentrated water pond 150 that are connected respectively with ultrafiltration system 120, concentrated water pond 150 also with sterilization
System 130 connects.It is appreciated that due to the present embodiment processing object be seawater, therefore between each processing system using
The mode of pipeline connection, in order to the circulation of seawater.
It is appreciated that in the present embodiment, concentrated water pond 150 is used to collect ultrafiltration concentrated water, and in the work of disinfection system 130
Gone out under the microorganism and bacterium removed in ultrafiltration concentrated water.Production pond 140 is used to collect ultrafiltration production water.For example, concentrated water pond is additionally operable to
Collect backwash water and Chemical cleaning water in pre-filtration system；And for example, production pond is additionally operable to as ultrafiltration system and/or pre-
The backwash of filtration system and Chemical cleaning offer water.
For ease of detecting the composition of the seawater in each system, as shown in figure 4, in an embodiment, ship ballast water processing is set
It is standby also to include control system；The pre-filtration system 110, the ultrafiltration system 120 and the disinfection system 130 include one respectively
Individual or multiple sensors 160, for detecting the seawater component of correspondence system；The sensor 160 is connected with the control system
Connect.It should be noted that the quantity of sensor 160 can determine according to use environment and by user, for example can only determine turbidity,
The parameters such as turbidity and dissolved oxygen can also be determined simultaneously.
For ease of each system of user's control, for example, control system also respectively with pre-filtration system 110, ultrafiltration system 120 and
Disinfection system 130 connects.For example, control system system according to corresponding to the signal handling of sensor 160；And for example, control system
The system according to corresponding to manipulating user's request.
And for example, sensor is provided with the connecting line of ballast water treatment equipment components, each part is all connected with
To control system.Control system directly passes through Human-machine Control interface, you can manipulation pretreatment system, ultrafiltration system, disinfection system
Various operational factors.
Further, because ship is stopped or is navigated by water in ocean, the sea for ship ballasting is needed for ease of processing
Water, as shown in figure 5, in an embodiment, ship ballast water treatment equipment also includes the Sea Chest 170 and booster pump being sequentially connected
180.Booster pump 180 is also connected with pre-filtration system, and control system is connected with Sea Chest 170 and booster pump 180 respectively.Control
System processed is used to control being turned on or off for both Sea Chest 170 and booster pump 180.The effect of Sea Chest 170 is in order to anti-
Water seawater immerses this ship ballast water treatment equipment, and it plays the safety protection function of insulating sea water.Booster pump 180 is to be used to take out
Seawater is inhaled, and is seawater boost, conveying seawater to pre-filtration system and ultrafiltration system.For example, booster pump can be immersible pump,
Centrifugal pump, self priming pump, as long as seawater can be pumped into by it, and the sea that pressure limit is 0.05-10MPa is provided for subsequent technique
Water.
Further, ship ballast water treatment equipment also includes ballast tank, and ballast tank is connected with production pond, super for injecting
Filter production water.The ultrafiltration production water that ballast tank flows into also is water ballast (ballast water), and water ballast is to keep ship to put down
Weighing apparatus, and the water specially injected.Water ballast is the important guarantee of marine operation safety, particularly to no ship for loading appropriate goods
Oceangoing ship, it can ensure the safety and efficient operation of ship, ensure the balance and stably of non-laden vessel.
It should be noted that traditional ship, which substantially possesses, ballast tank, in the present embodiment, by ballast tank specifically with
The contacts such as pre-filtration system 110, ultrafiltration system 120 and disinfection system 130 form the ship ballast water of another embodiment together
Processing equipment, in order to distinguish in general ship, that is to say, that the present invention can also relate to a kind of ship, and it includes this
Ship ballast water treatment equipment described in embodiment.
Further, the concentrated water that water ballast is retained by milipore filter passes through disinfection system, and killing after microorganism and bacterium can be with
It is directly discharged to marine, can also be collected into concentrated water pond, adds that other medicaments are neutralized or other processing reach harmless
It is discharged into again afterwards marine.
In this way, traditional ship can be efficiently solved after ballast tank, ultrafiltration system and disinfection system three are mutually combined
The seawater that is injected of ballast tank in the influence of contained biology to marine ecosystems, i.e., be ship user from source
Provide convenience, be easy to it timely and effectively to kill microorganism and bacterium in ballast tank contained by water ballast.
As shown in fig. 6, further, Sea Chest 170, booster pump 180, pre-filtration system 110, ultrafiltration system 120, sterilization
System 130, concentrated water pond 140, production one or more of pond 150 and ballast tank are respectively arranged with control valve 190；Control
Valve 190 is connected with control system, to control the on or off of each control valve 190 by control system.Need
, it is noted that the ballast tank of the present embodiment refers to each ballast tank on ship.For example, Sea Chest 170 and booster pump 180
Between, between booster pump 180 and pre-filtration system 110, between each several part of ultrafiltration system 120, disinfection system 130 and ballast tank it
Between be provided with control valve 190.It is appreciated that due to Sea Chest 170, booster pump 180, pre-filtration system 110, ultrafiltration system
120th, connected between disinfection system 130, concentrated water pond 140, production pond 150 and ballast tank by pipeline, the correspondence of control valve 190
Ground is arranged on pipeline.
For example, pre-filtration system 110 needs to backwash or Chemical cleaning, counter-flushing liquid and chemical cleaning solution pass through one
Pipeline is connected with ultrafiltration concentrated water pipeline, and the state of on and off is controlled by a control valve 190；And for example, ultrafiltration system 120 needs
Backwash or Chemical cleaning, counter-flushing liquid or chemical cleaning solution enter ultrafiltration concentrated water pipeline, and by corresponding control valve
190 are controlled.
Specifically, seawater enters from the Sea Chest 170 of ballast water treatment equipment, it is pressurized by booster pump, into pre-filtering
System 110, to remove larger impurity and particle, to protect the milipore filter of ultrafiltration system 120 without prejudice, pretreated sea
Water continues to be pressed into the hyperfiltration membrane assembly of ultrafiltration system 120, and the aperture of milipore filter is less than bacterium-sized, therefore can effectively cut
Keep all bacteriums and microorganism here, the ultrafiltration production water after milipore filter, into production pond 150, finally enter ballast tank.Produce water
Water in pond 150 provides for ultrafiltration and the backwash of pre-filtration system 110 and Chemical cleaning and uses water.In order to ensure the bacterium in production water
Amount is not exceeded, can also increase sterilizing process in water production pipeline, disinfection system 130 can be used in conjunction with ultrafiltration concentrated water pipeline
Disinfection system 130, can also individually establish a set of disinfection system 130.Ultrafiltration concentrated water then include be retained down it is all micro-
Biology and bacterium and other pollutants, ultrafiltration concentrated water passes through ozone disinfecting system 130, after killing all microorganisms and bacterium,
Sea can be directly discharged into, or is collected into concentrated water pond 140, to be discharged into sea in suitable place.
It is noted that the equipment of the present invention can be used for the process for adding water ballast, can also be in ship shipping
Journey circular treatment water ballast, it can be used for discharging the process of water ballast, can ensure that water ballast reaches discharge standard.
Below with several specific embodiments, the present invention is further detailed：
Embodiment 1：
The concentration of ballast water algae is 15610/ml, and when bacterial concentration is 6180/ml, ballast water is from ballast water treatment equipment
Sea Chest 170 enter, be pressurized by booster pump 180, open control valve 190, using self-cleaning filter to ship ballasting
Water carries out pre-filtering, removes the debris more than 100 μm, and Filter Precision is 100 μm；Using ultrafiltration system 120 to ship ballasting
Water carries out filtration treatment, and for example with external pressure pillar hyperfiltration membrane assembly, ultrafiltration membrane aperture is 0.04 μm, material PVDF, is passed through
Production water after milipore filter eliminates 99.9% microorganism and bacterium, into production pond, finally enters ballast tank.Produce in pond
Water provides for ultrafiltration and pre-filtration system backwash and Chemical cleaning and uses water.Ultrafiltration system concentrated water then includes the institute being retained down
There are microorganism and bacterium and other pollutants, ultrafiltration concentrated water passes through ozone disinfecting system, after killing all microorganisms and bacterium,
Concentrated water can be directly discharged into sea, or be collected into concentrated water pond, and sea is discharged into suitable place.At the present embodiment equipment
After reason, the removal efficiency of algae is more than 99.5%, and the inactivation ratio of bacterium is more than 99.9%.
Embodiment 2：
The concentration of ballast water algae is 6100/ml, and when bacterial concentration is 3100/ml, ballast water is from ballast water treatment equipment
Sea Chest 170 enter, be pressurized by booster pump 180, open control valve 190, using disk filter to ship ballast water
Pre-filtering is carried out, removes the debris more than 500 μm, Filter Precision is 500 μm；Using ultrafiltration system 120 to ship ballast water
Filtration treatment is carried out, for example with external pressure pillar hyperfiltration membrane assembly, ultrafiltration membrane aperture is 0.01 μm, material PVDF, by super
Production water after filter membrane eliminates 99.9% microorganism and bacterium, into production pond, finally enters ballast tank.Produce the water in pond
There is provided for ultrafiltration and pre-filtration system backwash and Chemical cleaning and use water.Ultrafiltration system concentrated water then include be retained down it is all
Microorganism and bacterium and other pollutants, ultrafiltration concentrated water pass through UV germicidal system, dense after killing all microorganisms and bacterium
Water can be directly discharged into sea, or be collected into concentrated water pond, and sea is discharged into suitable place.Handled by the present embodiment equipment
Afterwards, the removal efficiency of algae is more than 99.9%, and the inactivation ratio of bacterium is more than 99.0%.
Embodiment 3：
The concentration of ballast water algae is 3200/ml, and when bacterial concentration is 960/ml, ballast water is from ballast water treatment equipment
Sea Chest 170 enters, and is pressurized by booster pump 180, opens control valve 190, and pre-filtration system uses self-cleaning filter, its
Filtering accuracy is 500 μm, and plus accurate filter, its filtering accuracy is 5 μm, and pre-filtering is carried out to ship ballast water, is removed big
In 5 μm of debris；Filtration treatment is carried out to ship ballast water using ultrafiltration system 120, for example with external pressure pillar milipore filter group
Part, ultrafiltration membrane aperture are 0.1 μm, material PVDF, and the production water after milipore filter eliminates 99.9% microorganism and bacterium,
Into production pond, ballast tank is finally entered.Water in production pond provides for ultrafiltration and pre-filtration system backwash and Chemical cleaning
Use water.Ultrafiltration system concentrated water then includes all microorganisms and bacterium that are retained down and other pollutants, ultrafiltration concentrated water warp
Chlorine dioxide antiseptic system is crossed, after killing all microorganisms and bacterium, concentrated water can be directly discharged into sea, or be collected into concentrated water
Pond, add after the reducing agent neutralization of debita spissitudo and be discharged into sea in suitable place.After the processing of the present embodiment equipment, algae
Removal efficiency be more than 99.5%, the inactivation ratio of bacterium is more than 99.9%.
Embodiment 4：
The concentration of ballast water algae is 5400/ml, and when bacterial concentration is 2800/ml, ballast water is from ballast water treatment equipment
Sea Chest 170 enter, be pressurized by booster pump 180, open control valve 190, pre-filtration system uses self-cleaning filter,
Its filtering accuracy is 50 μm), pre-filtering is carried out to ship ballast water, removes the debris more than 50 μm；It is right using ultrafiltration system 120
Ship ballast water carries out filtration treatment, and for example with internal pressure pillar hyperfiltration membrane assembly, ultrafiltration membrane aperture is 0.08 μm, and material is
PVC, the production water after milipore filter eliminate 99.9% microorganism and bacterium, into production pond, finally enter ballast tank.Production
Water in pond provides for ultrafiltration and pre-filtration system backwash and Chemical cleaning and uses water.Ultrafiltration system concentrated water then includes retention
The all microorganisms and bacterium that get off and other pollutants, ultrafiltration concentrated water pass through sodium hypochlorite disinfection system, kill all micro-
After biology and bacterium, concentrated water can be directly discharged into sea, or be collected into concentrated water pond, after adding the reducing agent neutralization of debita spissitudo
Sea is discharged into suitable place.After the processing of the present embodiment equipment, the removal efficiency of algae is more than 99.5%, the inactivation of bacterium
Rate is more than 99.9%.
Embodiment 5：
The concentration of ballast water algae is 8300/ml, and when bacterial concentration is 4150/ml, ballast water is from ballast water treatment equipment
Sea Chest 170 enter, be pressurized by booster pump 180, open control valve 190, pre-filtration system uses sand filtration and disk mistake
Filter, its filtering accuracy are 500 μm), pre-filtering is carried out to ship ballast water, removes the debris more than 500 μm；Using ultrafiltration system
120 pairs of ship ballast waters of system carry out filtration treatment, and for example with internal pressure pillar hyperfiltration membrane assembly, ultrafiltration membrane aperture is 0.04 μm,
Material is PAN, and the production water after milipore filter eliminates 99.9% microorganism and bacterium, into production pond, finally enters pressure
Carry cabin.Water in production pond provides for ultrafiltration and pre-filtration system backwash and Chemical cleaning and uses water.Ultrafiltration system concentrated water is then wrapped
The all microorganisms and bacterium that are retained down and other pollutants are included, ultrafiltration concentrated water passes through liquid chlorine disinfection system, kills institute
After having microorganism and bacterium, concentrated water can be directly discharged into sea, or be collected into concentrated water pond, add in the reducing agent of debita spissitudo
With after sea is discharged into suitable place.After the processing of the present embodiment equipment, the removal efficiency of algae is more than 99.5%, bacterium
Inactivation ratio is more than 99.9%.
Embodiment 6：
As shown in fig. 6, with reference to Fig. 1 to Fig. 5, the part that is sequentially connected that ship ballast water processing method and equipment include has：
Sea Chest 170, booster pump 180, sensor 160, control valve 190, pre-filtration system 110, ultrafiltration system 120, production pond
140th, ballast tank, disinfection system 130, concentrated water pond 150.The concentration of ballast water algae is 8300/ml, bacterial concentration 4150/ml
When, ballast water enters from the Sea Chest 170 of ballast water treatment equipment, is pressurized by booster pump 180, opens control valve 190, in advance
Filtration system uses self-cleaning filter, and its filtering accuracy is 100 μm, carries out pre-filtering to ship ballast water, removes and be more than 100
μm debris；Filtration treatment is carried out to ship ballast water using ultrafiltration system 120, for example with external pressure pillar hyperfiltration membrane assembly,
Ultrafiltration membrane aperture is 0.01 μm, material PVDF, and the production water after milipore filter eliminates 99.9% microorganism and bacterium, enters
Enter to produce pond, finally enter ballast tank.Water in production pond provides use for ultrafiltration and pre-filtration system backwash and Chemical cleaning
Water.Ultrafiltration system concentrated water then includes all microorganisms and bacterium that are retained down and other pollutants, and ultrafiltration concentrated water is passed through
Ultrasonic sterilization system, after killing all microorganisms and bacterium, concentrated water can be directly discharged into sea, or be collected into concentrated water pond,
Add after the reducing agent neutralization of debita spissitudo and be discharged into sea in suitable place.After the processing of the present embodiment equipment, algae
Removal efficiency is more than 99.5%, and the inactivation ratio of bacterium is more than 99.0%.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of ship ballast water processing method, it is characterised in that comprise the following steps：
Pre-treatment step：Pre-filtering processing is carried out to pending seawater, obtains pre-treating seawater；
Filtration step：Hyperfiltration treatment is carried out to pre-treating seawater, obtains producing water through the ultrafiltration of milipore filter and does not pass through milipore filter
Ultrafiltration concentrated water；
Ultrafiltration concentrated water sterilisation step：Sterilization processing is carried out to the ultrafiltration concentrated water.
2. ship ballast water processing method according to claim 1, it is characterised in that also including ultrafiltration production water sterilization step
Suddenly：Sterilization processing is carried out to ultrafiltration production water.
3. ship ballast water processing method according to claim 2, it is characterised in that also including collection step：To sterilization
Ultrafiltration concentrated water afterwards is collected processing respectively with the ultrafiltration production water after sterilization.
A kind of 4. ship ballast water treatment equipment, it is characterised in that including be sequentially connected pretreatment system, filtration system and kill
Fungus strain is united；
The pretreatment system is used to carry out pre-filtering processing to pending seawater, obtains pre-treating seawater；
The filtration system is used to carry out hyperfiltration treatment to pre-treating seawater, obtains producing water through the ultrafiltration of milipore filter and does not pass through
The ultrafiltration concentrated water of milipore filter；
The disinfection system is used to carry out sterilization processing to the ultrafiltration concentrated water.
5. ship ballast water treatment equipment according to claim 4, it is characterised in that also include respectively with the ultrafiltration system
The concentrated water pond and production pond, the concentrated water pond of system connection are also connected with the disinfection system,
The concentrated water pond is used to collect ultrafiltration concentrated water, and is gone out in the presence of the disinfection system except micro- life in ultrafiltration concentrated water
Thing and bacterium；The production pond is used to collect the ultrafiltration production water.
6. ship ballast water treatment equipment according to claim 5, it is characterised in that also including control system；It is described pre-
Filtration system, the ultrafiltration system and the disinfection system include sensor respectively, for detecting the seawater component of correspondence system；
The sensor is connected with the control system.
7. ship ballast water treatment equipment according to claim 6, it is characterised in that the control system also respectively with institute
State pre-filtration system, the ultrafiltration system connects with the disinfection system, for corresponding according to the signal handling of the sensor
System.
8. ship ballast water treatment equipment according to claim 7, it is characterised in that also include the Sea Chest being sequentially connected
And booster pump, the booster pump are also connected with pre-filtration system, and the control system respectively with the Sea Chest and described
Booster pump connects, for controlling it to be turned on or off.
9. ship ballast water treatment equipment according to claim 8, it is characterised in that also including ballast tank, the ballast
Cabin is connected with the production pond, for injecting the ultrafiltration production water.
10. ship ballast water treatment equipment according to claim 9, it is characterised in that the Sea Chest, the supercharging
Pump, the pre-filtration system, the ultrafiltration system, the disinfection system, the concentrated water pond, the production pond and the ballast
One or more of cabin includes control valve respectively；The control valve is connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629951.4A CN107686185A (en) | 2016-08-03 | 2016-08-03 | Ship ballast water processing method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629951.4A CN107686185A (en) | 2016-08-03 | 2016-08-03 | Ship ballast water processing method and equipment |
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| Publication Number | Publication Date |
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| CN107686185A true CN107686185A (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610629951.4A Pending CN107686185A (en) | 2016-08-03 | 2016-08-03 | Ship ballast water processing method and equipment |
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Cited By (4)
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| CN109607903A (en) * | 2019-01-16 | 2019-04-12 | 江苏南极机械有限责任公司 | The highly reliable anti-interference ballast water treatment system of antidetonation |
| CN111847689A (en) * | 2020-07-23 | 2020-10-30 | 上海乔尼水处理设备工程有限公司 | Livestock drinking water system adopting ultrafiltration technology |
| CN112209542A (en) * | 2019-07-10 | 2021-01-12 | 九江精密测试技术研究所 | Portable ballast water processing system in harbour |
| CN114951241A (en) * | 2022-05-24 | 2022-08-30 | 青岛双瑞海洋环境工程股份有限公司 | Marine plastic particle recovery system and recovery method thereof |
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Application publication date: 20180213 |
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| WD01 | Invention patent application deemed withdrawn after publication |