CN101855178A - Ballast water treatment system - Google Patents
Ballast water treatment system Download PDFInfo
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- CN101855178A CN101855178A CN200880115312A CN200880115312A CN101855178A CN 101855178 A CN101855178 A CN 101855178A CN 200880115312 A CN200880115312 A CN 200880115312A CN 200880115312 A CN200880115312 A CN 200880115312A CN 101855178 A CN101855178 A CN 101855178A
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- ballast
- water
- water treatment
- treatment system
- treatment device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 506
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- 238000012545 processing Methods 0.000 claims description 46
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
- B63J4/002—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating ballast water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
- B63J4/004—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating sludge, e.g. tank washing sludge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
Abstract
According to a ballast water treatment system in one embodiment of the present invention, the quality of a ballast water is monitored, and the operating conditions of a water treatment apparatus are controlled based on the results of the monitoring. By virtue of the above constitution, even when the quality of the ballast water significantly varies depending upon water intake conditions, the ballast water can be treated to always have a constant quality. Further, since water treatment is carried out according to the quality of the ballast water, excess injection of a liquid chemical used in the water treatment and a lack in the amount of the liquid chemical injected can be prevented. For example, when a water treatment apparatus of a sterilization system is used, excess injection of a sterilizing agent and a lack in the amount of the sterilizing agent injected can be prevented, and thus, the application of a load by the sterilizing agent on a coating in the ballast tank and an environment can be prevented.
Description
Technical field
The present invention relates to ballast water treatment system, relate to especially and be used for removing hydrobiological ballast water treatment system from ballast water for ship.
Background technology
Thereby the ship's gear of transportation ore, former wet goods have ballast box in ballast box, store water ballast such as seawater and fresh water with navigate by water attitude control and keep the stability of hull.Because water ballast is loaded in the ballast box when vessel unloading, and discharges from ballast box when goods loads, it will be discharged from the zone different with the water inlet position.Therefore, hydrobiont may move and lives in peace at new environment with water ballast, and in such circumstances, they can bring the ecosystem destroyed and influence the problem of business activity such as water industry.And people also worry can directly influence human health with the pathogenic bacteria of water ballast migration.
So in the international conference about the ballast for cruising water management, " being used for control and management ballast water for ship and sedimental international agreement " (" The International Convention for the Controland Management of Ships ' Ballast; Sediments ") adopted in February, 2004, and require the essential ballast water treatment plant of installing of boats and ships.Be the Ballast Management standard of (IMO) formulating by international ocean shipping tissue (InternationalMaritime Organization) below.
* for the organism of minimum size more than or equal to 50 microns, every cubic metre of organism that is less than 10 survivals.
* be less than 50 microns but for minimum size more than or equal to 10 microns organism, every milliliter of organism that is less than 10 survivals.
* the vibrio cholerae (Vibrio cholerae) (O-1 and O-139) that produces poison is less than 1 colony-forming unit (cfu) for per 100 microns.
* colon bacillus (Escherichia coli) is less than 250cfu for per 100 milliliters.
* faecalis (Enterococci) is less than 100cfu for per 100 milliliters in the intestines.
In order to satisfy these standards, proposed the ballast water treatment technology of various purifying water ballasts.For example, conventionally, the sterilization scheme is a main flow, wherein carries out coarse filtration by filter (physical treatment), adds sterilizing agent subsequently; In patent documentation 1, come water ballast is carried out sterilization by the chemical that adds based on chlorine.In addition, patent documentation 2 uses hydrogen peroxide to come water ballast is carried out sterilization, and patent documentation 3 uses ozone to come water ballast is carried out sterilization.
In recent years, replace the sterilization scheme, also proposed to condense/separation scheme.For example, in patent documentation 4, chemical and magnetic powder are added water ballast to hold as the hydrobiont of removing object, form the magnetic throw out thus, and these magnetic throw outs reclaim by using magnet and filter, thus separation/removal target hydrobiont.
Patent documentation 4 spies open the 2005-218887 communique.
Summary of the invention
Technical problem
Can arbitrary harbour get water ballast in the world, its water quality depends on the place of water intaking and obviously different.For example, pollute comparatively serious waters at water, hydrobiont that exists in the water such as bacterium and planktonic organism are owing to eutrophication increases.And even in identical waters, hydrobiological volume can the considerable change along with season, thereby and convection current etc. the change of hydrobiont volume can take place to cause at short notice owing to day and night temperature.Reason for this reason satisfies the Ballast Management standard of being set by IMO and is unusual difficulty constantly, and attempts satisfying described standard in unsuitable mode and may cause new disadvantageous effect.
For example, in patent documentation 1-3, in order to reach described standard reliably, must inject excessive sterilizing agent, and, have such risk as the result who injects excess chemicals liquid, be that its effect keeps always, influence the shell of ballast box thus unfriendly, and when water ballast is discharged from, kill the hydrobiont in this waters.
In addition, in order to satisfy the standard in the patent documentation 4 reliably, must add excessive chemical to form the magnetic throw out, it may cause such risk, promptly owing to inject such excess chemicals, unnecessarily increases the amount of the magnetic throw out that is recovered.
Based on the problems referred to above, carry out the present invention, and the purpose of this invention is to provide a kind of ballast water treatment system, it can satisfy the Ballast Management standard of being set by IMO constantly.
Technical scheme
To achieve these goals, first aspect of the present invention provides a kind of ballast water treatment system, it comprises the water treatment device of the material that from water ballast removal is to be removed, with the ballast box that stores the water ballast of being handled by the described water treatment device that is installed on the boats and ships, described ballast water treatment system is characterised in that and comprises: the monitoring device of monitoring water ballast water quality; With the control device of controlling the operational condition of water treatment device based on the monitoring result of described monitoring device.
Because thereby a first aspect of the present invention is set up the water quality of monitoring water ballast, and control the operational condition of water treatment device based on this result, therefore can processing ballast so that it has constant water quality, even also can be like this when the water quality of water ballast significantly changes with the water intaking condition.
And according to first aspect, owing to carry out water treatment according to the water quality of water ballast, the injection of chemical liquid that therefore can prevent to be used for water treatment is excessive or not enough.For example, when taking the sterilization scheme, can prevent that the injection of sterilizing agent is excessive or not enough, prevent that thus described sterilizing agent from producing burden to the shell and the environment of ballast box for water treatment device.
A second aspect of the present invention is characterised in that in first aspect, described water treatment device comprises: coagulation units, and described coagulation units is by injecting condensing agent to water ballast and stir described water ballast material to be removed is condensed; With separate/removal device, described separation/removal device separates also removes the aggregation that exists in described coagulation units.
Second aspect is based on condensing/separation scheme, and it condenses material to be removed in the water ballast, makes thus that it is separated/remove, and the needs of the injection sterilizing agent as the sterilization scheme not wherein, has eliminated the burden to the shell and the environment of ballast box thus.Notice that separation/removal device can utilize gravity settling, flocculation, magneticseparation, filtering separation etc.
The 3rd aspect of the present invention be characterised in that, aspect second in, thereby control device is controlled the injection rate that coagulation units is regulated described condensing agent based on the monitoring result of monitoring device.
According to the third aspect,, so can inject the only condensing agent of capacity because control the injection rate of condensing agent according to the water quality of water ballast.Therefore, can prevent that the condensing agent that causes owing to excessive injection condensing agent is residual, and when discharging water ballast, the burden of environment be minimized.
Fourth aspect present invention is characterised in that, second or the third aspect in, described separation/removal device is set to the combination of magneticseparation and filtering separation.
According to fourth aspect,, can come the separation/recovery aggregation with high speed and pinpoint accuracy because made up magneticseparation and filtering separation.Note in fourth aspect,, preferably before condensing, the magnetic powder is mixed in the water ballast.And magneticseparation is preferably undertaken by use magnet such as permanent magnet, superconducting magnet etc., and filtering separation is preferably undertaken by the filter that uses the 10-15 μ m that is made by metal or resin.
A fifth aspect of the present invention is characterised in that, first in any of fourth aspect, monitoring device by measuring water ballast turbidity and at least one of colourity monitor water ballast.
According to the 5th aspect,, therefore can obtain the guestimate of hydrobiont concentration in the water ballast indirectly because monitoring is to be undertaken by at least one that measure turbidity and colourity.And, developed the device of many many purposes about turbidometer and colorimeter.
A sixth aspect of the present invention is characterised in that, first in each of fourth aspect, described monitoring device is monitored water ballast by the image analysis of carrying out water ballast.
According to the 6th aspect,, therefore can directly determine hydrobiological concentration in the water ballast because the water quality of water ballast is monitored by the image analysis of carrying out water ballast.
A seventh aspect of the present invention is characterised in that in any aspect first to the 6th, described control device control time per unit is by the processing volume of water treatment device processing.
According to the 7th aspect, owing to controlled the processing volume of the time per unit in the water treatment device, i.e. residence time, even when material to be removed is present in the water ballast in a large number, still can remove material to be removed effectively.For example, when the water treatment device that uses based on the sterilization scheme, can control duration of contact with sterilizing agent by the processing volume of control time per unit.Even when having the inflow of the high-concentration biological that causes by red tide etc., also can effectively carry out germicidal treatment therefore.And, when use based on condense/during the water treatment device of separation scheme, can be controlled at the residence time in the coagulation units by the treatment capacity of control time per unit.Therefore, even when existing owing to during the inflow of the high-concentration biological that red tide causes, also can carry out hydrobiological coagulation treatment reliably.
A eighth aspect of the present invention is characterised in that, in each aspect first to the 7th, described monitoring device is in the inlet part of described water treatment device, the exit portion of described water treatment device, and/or in ballast box the water quality of monitoring water ballast.
According to eight aspect, by the water quality at the inlet part of water treatment device monitoring water ballast, water treatment is carried out in the variation of water ballast water quality in the time of can be according to water inlet.And, can handle described water treatment device changes of properties (reduction of performance etc.) by the water quality of monitoring water ballast in the exit portion of water treatment device.In addition, can handle the situation that wherein water quality reduces in case by the water quality of the water ballast in the monitoring case.
A ninth aspect of the present invention is characterised in that, first in any of eight aspect, described ballast water treatment system comprises that the water ballast in the described ballast box maybe will be discharged to outside water ballast from described ballast box be back to pipeline in the described water treatment device, and water ballast is handled once more by water treatment device.
According to the 9th aspect, processing ballast once more, and when for example when in water inlet, in water ballast, comprising material to be removed in a large number, when material to be removed can not fully be removed by water treatment, maybe when material to be removed is grown in case, described water ballast is handled again.As a result, can discharge water ballast with the state that reliably satisfies described standard.The processing once more of noting water ballast preferably is and carries out when water ballast is discharged from ship's navigation.
The invention effect
According to the present invention, owing to monitor the water quality of water ballast, and control the operational condition of water treatment device based on this result, the water ballast of noticeable change makes it have the water quality that needs with the water inlet condition thereby can handle.Therefore, can satisfy about the standard of discharging water ballast reliably and prevent thus because the destruction of the ecosystem that the discharge water ballast causes.
The accompanying drawing summary
[Fig. 1] Fig. 1 shows first embodiment of the ballast water treatment system that the present invention relates to.
[Fig. 2] Fig. 2 shows the ballast water treatment system different with Fig. 1.
[Fig. 3] Fig. 3 shows that the water in the ballast water treatment system of Fig. 1 discharges flow process.
[Fig. 4] Fig. 4 shows second embodiment of the ballast water treatment system that the present invention relates to.
[Fig. 5] Fig. 5 shows the ballast water treatment system different with Fig. 4.
[Fig. 6] Fig. 6 shows that the water in the ballast water treatment system of Fig. 4 discharges flow process.
[Fig. 7] Fig. 7 shows the hydrobiont concentration of water ballast and the form of the relation between the chemical liquid bulk concentration.
[Fig. 8] Fig. 8 is the form that shows the relation between the add-on of the turbidity of water ballast and condensing agent.
Symbolic interpretation
10... ballast water treatment system, 12... boats and ships, 14... water treatment device, 16... ballast box, 18... sampling unit, 20... control device, 22... the physical removal device, 24... sterilizing unit, 26... raw water pipeline, 28... pump, 30... valve, the waterpipe that 32... handles, 34-38... sampling line, 40... ballast water treatment system, 42... circulation line, 44... circulation line, 46... bypass conduit, 50... ballast water treatment system, the 52... water treatment device, the 54... chemical adds parts, the parts 56... condense, 58... separating component, 60... magnetic powder adding set, 62... inorganic coagulant adding set, 64... polymer coagulant adding set, 66... the high speed agitator bath, 68... low speed agitator bath, 70... pipeline, 72... magnetic resolution device, 74... filtering separation device, 80... ballast water treatment system, 82... circulation line
Implement best mode of the present invention
Below, the preferred embodiment of the ballast water treatment system that the present invention relates to is described with reference to the accompanying drawings.
Fig. 1 schematically shows the structure of first embodiment of the ballast water treatment system that the present invention relates to.The ballast water treatment system 10 of Xian Shiing is installed in the boats and ships 12 and mainly by water treatment device 14 in the figure, ballast box 16, and monitoring device 18 and control device 20 constitute.
The solids of large-scale hydrobiont of physical removal device 22 physical removal and suspension etc. are used alone or in combination for this reason and utilize for example filter, cyclonic separator, empty formation effect and other device.Raw water pipeline 26 is connected with physical removal device 22, and pump 28 and valve 30 are installed in the raw water pipeline 26.Along with pump 28 is driven, seawater or fresh water are inhaled into raw water pipeline 26 and enter physical removal device 22.Pump 28 is connected with control device 20 with valve 30, and comes the speed of rotation of control pump 28 and opening of valve 30 by control device 20.Be noted that the design of depending on sterilizing unit 24 in the later stage, can use the embodiment that physical removal device 22 wherein is not installed.In addition, replace and use pump 28, can utilize waterhead to carry seawater or fresh water.
The water of the processing that wherein hydrobiont is removed by physical removal device 22 and sterilizing unit 24 is sent into ballast box 16 and is stored in the ballast box 16.Note, as the water ballast in the ballast box 16 being discharged to outside water discharge tool, embodiment by using raw water pipeline 26 and pump 28 drainage waters and by new water discharge pipe road (not shown) being connected in ballast box 16 to come the embodiment of drainage water be feasible.
Next, with the operation of describing as the ballast water treatment system 10 of above-mentioned structure.
In embodiments of the invention, raw water pipeline 26, the waterpipe of handling 32 and the water ballast in the ballast box 16 are taken a sample.That is the water quality of the water ballast after, water quality, the water treatment device 14 of the water ballast in when water inlet monitoring have just been handled and be stored in the water quality of the water ballast in the ballast box 16.Then, control device 20 carries out ballast water treatment thus according to the operational condition of described water quality control water treatment device 14.
For example, when the water ballast of raw water pipeline 26 (promptly, when the deteriorating water quality water ballast when water inlet) causes hydrobiont concentration to increase, increase the processing power of water treatment device 14, as by increasing the amount that will be input to the sterilizing agent in the sterilizing unit 24 and the processing flow velocity that reduces pump 28 and/or valve 30 increases.On the contrary, when the water correction of water ballast causes hydrobiological concentration to reduce when in water inlet, reduce the processing power of water treatment device 14, as by reducing the amount that will be input to the sterilizing agent in the sterilizing unit 24 and the processing flow velocity that improves pump 28 and/or valve 30 reduces.This can handle with the change of water quality of the former water of water ballast, thus the water quality of the water ballast after the stabilizing treatment.And the operational condition by according to the water quality control water treatment device 14 of the former water of water ballast can prevent sterilizing agent from sterilizing unit 24 excessive injections, prevents that thus too much sterilizing agent influences the partial ecosystem unfriendly when the discharge water ballast.
Similarly, can handle such situation, wherein the water ballast of the waterpipe 32 of Chu Liing (that is the water ballast after the processing just) change of water quality.That is, when hydrobiont concentration increases, increase the processing power of water treatment device 14, as by increasing the amount that will be input to the sterilizing agent in the sterilizing unit 24 and the processing flow velocity that reduces pump 28 and valve 30 increases.On the contrary, when hydrobiological concentration reduces, reduce the processing power of water treatment device 14, as by reducing the amount that will be input to the sterilizing agent in the sterilizing unit 24 and the processing flow velocity that improves pump 28 and valve 30 reduces.This can carry out the feedback control of water treatment device 14, thus the water ballast water quality after the stabilizing treatment.Be noted that the water quality of water ballast of the waterpipe 32 of the water quality of water ballast of comparison raw water pipeline 26 and processing can be rapider and accurately handle with the change of water quality of the former water of water ballast, thus the water quality of the water ballast further after the stabilizing treatment.
In embodiments of the invention, the water quality of also monitoring the water ballast in the ballast box 16 is allowed the water quality of supervising the water ballast in the ballast box thus.Note when the deteriorating water quality in the ballast box, it can be handled by following method: wherein the circulation of the water ballast in the ballast box is entered the method that water treatment device 14 is also handled once more, wherein when the water ballast in the ballast box is discharged from, described water ballast enters water treatment device 14 and is handled the method for discharging once more, or wherein thereby sterilizing unit 24 is connected in inside that ballast box makes ballast box by germ-resistant further method, etc.
Therefore, according to embodiment of the present invention, owing to monitored the water quality of water ballast and controlled the operational condition of water treatment device 14, therefore even when the water quality of water ballast significantly do not keep constant water ballast water quality simultaneously with the water inlet condition based on its result always yet.
In addition, according to embodiment of the present invention,, therefore can inject an amount of chemical liquid according to hydrobiological concentration because water treatment is carried out according to the water quality of water ballast.At this, the relation between hydrobiological concentration and the every kind of sterilizing agent is presented in the form of Fig. 7.In embodiments of the invention, can inject an amount of chemical liquid, allow that thus the injection that prevents chemical liquid is excessive or not enough based on above-mentioned relation.Thus, can prevent that remaining chemical liquid from producing burden to the shell of ballast box 16 and the ecosystem of water discharging area.
Be noted that, in the form of Fig. 7, standard for hydrobiont A is " for the organism of minimum size more than or equal to 50 microns; every cubic metre of organism that is less than 10 survivals ", and the standard for hydrobiont B be " for minimum size be less than 50 microns but more than or equal to 10 microns organism, every milliliter of organism that is less than 10 survivals ".
Be noted that, although in the above-described embodiment, at three places (raw water pipeline 26, the waterpipe of handling 32, with ballast box 16) monitoring water ballast water quality, the location and the quantity of point to be monitored are not limited to these, and for example, can take a sample to the water quality of water ballast at a place or two places of above-mentioned position.
Fig. 2 is the synoptic diagram of such system, wherein the ballast water treatment system of Fig. 1 is provided in the ballast box 16 function of processing ballast again.Make circulation line 42 be connected in ballast box 16 thereby the ballast water treatment system 40 that shows in the figure constructed, and the front end of circulation line 42 is connected in raw water pipeline 26.Be circulation line 42 equipment pumps and valve (all showing), and described pump and valve are by control device 20 controls.Be noted that the front end of circulation line 42 can be connected in the pipeline in pump 28 upstream sides (left side of Fig. 2), thereby pump 28 and valve 30 are used to into water and circulation time.
As in the ballast water treatment system 40 of above-mentioned structure, monitor the water quality of the water ballast in the ballast box 16 and, control the operational condition of water treatment device 14 based on this monitoring result.For example, when the deteriorating water quality of the water ballast in the ballast box 16, the water ballast in the ballast box 16 is recycled in the water treatment device 14 by circulation line 42 and carries out the processing once more of water ballast.Then, according to the water quality of the water ballast in the ballast box 16, thereby the processing once more that the operational condition of control water treatment device 14 is carried out water ballast becomes up to water quality and is less than or equal to permissible value.This can improve the water quality of the water ballast in the ballast box 16 and can keep it to be less than or equal to permissible value.
Therefore, in embodiments of the invention, can circulate and purifying ballast box 16 in water ballast, and for example can in ship's navigation, carry out the purifying of water ballast.
Note in the above-described embodiment, although the water ballast in the ballast box 16 is returned to the previous stage of physical removal device 22, it can be returned to the previous stage of sterilization point by sterilizing unit 24, shown in the indicated circulation line (circulation line) 44 of 2 chain lines (two dot chain line).In this case, it is feasible including only handling once more of germicidal treatment.
In addition, although in the above-described embodiment, the water quality of the water ballast in the monitoring ballast box 16, and according to its result, the processing once more of control water ballast, but structure can be such, and the water-quality ratio of the water ballast after being about to the water quality of the water ballast in the ballast box 16 and just handling is and according to comparative result, the operational condition when control is handled once more.For example, structure can be such, when promptly the water quality of the water ballast after just handling becomes and is equal to the water quality of the water ballast in the ballast box 16, stops the processing once more of water ballast.
Fig. 3 is a synoptic diagram, is presented at the flow process of carrying out the water discharge in the ballast water treatment system 10 of Fig. 1.Note, although drainage flow path has in the figure shown by using the water treatment device 14 of Fig. 1, pump 28, the example that valve 30 carries out draining, but the method for draining is not limited to this method, and draining can be undertaken by those water treatment device, pump and the valve when being different from water and injecting is provided.
Ballast water treatment system 10 shown in Fig. 3 is to construct like this, and promptly with the pump 28 of valve of opening 30 and driving, the water ballast in the ballast box 16 is discharged into the outside by water treatment device 14.According to the monitoring result of the water quality of the water ballast in the ballast box 16, control device 20 control water treatment device 14.For example, when the water quality (hydrobiological concentration) of the water ballast in the ballast box 16 surpasses permissible value, drive the processing once more of water treatment device 14 initial water ballasts, control the operational condition (handling the injection rate of volume such as sterilizing agent, the processing flow velocity of time per unit) of water treatment device 14 according to the water quality of water ballast.The water quality of the water ballast that this is to be discharged with improvement and control water ballast are less than or equal to permissible value and discharge.
Thereby according to an embodiment of the present invention, because structure is such, promptly water treatment device 14 is placed on the escape route of water ballast, therefore can carry out the processing once more of water ballast when discharging.So, even the water quality of the water ballast in ballast box 16 descends in the navigation process, still might be by when discharging, handling the discharge standard that described water ballast satisfies water ballast once more.
Even note in the above-described embodiment, structure is such, promptly water ballast also flows to physical removal device 22 when water is discharged, but structure can be such, the bypass conduit 46 of physical removal device 22 promptly is provided, thereby drainage water under the condition of not passing physical removal device 22, as shown in Figure 3.
Fig. 4 schematically shows the structure of the ballast water treatment system of second embodiment.Notice that the member that has identical function with the member of ballast water treatment system shown in Fig. 1 10 is given identical symbol number, has omitted the description to it thus.
As shown in Figure 4, compare with the ballast water treatment system 10 of first embodiment shown in Fig. 1, ballast water treatment system 50 differences of second embodiment are, have used based on condensing/water treatment device 52 of separation scheme.Based on condensing/water treatment device 52 of separation scheme, it condenses material to be removed in the water ballast (hydrobiont) so that separate and remove, by the chemical shown in Fig. 4 add parts 54, condense parts 56 and separating component 58 constituted.
Chemical adds parts 54, it adds in water ballast and is used to condense the necessary chemical of material to be removed (hydrobiont), comprise magnetic powder adding set 60, inorganic coagulant adding set 62 and polymer coagulant adding set 64 in the embodiment of the present invention.Magnetic powder adding set 60 is configured and adds the magnetic powder in water ballast, and described water ballast will be fed in the high speed agitator bath 66 of the parts 56 that condense, and for example preferably uses Z 250 (Fe
3O
4) as the magnetic powder.Inorganic coagulant adding set 62 is configured to add inorganic coagulant in water ballast, and described water ballast will be fed in the high speed agitator bath 66 of the parts 56 that condense, and preferably uses poly aluminium chloride, iron(ic) chloride, ferric sulfate etc. as inorganic coagulant.Polymer coagulant adding set 64 is configured to add polymer coagulant in water ballast, described water ballast will be sent to the low speed agitator bath 68 by the high speed agitator bath 66 from the parts 56 that condense, and can preferably use negatively charged ion and nonionic condensing agent etc. as polymer coagulant.The kind of noting chemical to be added is not limited to above-mentioned embodiment, and for example, when equipment for magnetic separation 72 was not used for the separating component 58 of last stages, the embodiment that does not comprise magnetic powder adding set 60 also was feasible.
The parts 56 that condense comprise high speed agitator bath 66, and water ballast is sent to wherein from raw water pipeline 26, and low speed agitator bath 68, and it is connected with high speed agitator bath 66 by pipeline 70.High speed agitator bath 66 is configured the agitation blades that does not show by high speed rotating to stir water ballast, magnetic powder and condensing agent fast.Agitation blades in high speed agitator bath 66 preferably has about 1-2m/ slewing circle roll surface speed of second at its point, by using such a high speed agitator bath 66, formation has the small magnetic throw out of tens microns sizes, has wherein absorbed solid floating particle in magnetic powder, the water ballast, bacterium, planktonic organism etc.The water ballast that will comprise the magnetic throw out is sent in the low speed agitator bath 68 by pipeline 70.
Low speed agitator bath 68 is configured the agitation blades that does not show by low speed rotation slowly to stir the water ballast that comprises magnetic throw out and polymer coagulant.The agitation blades of control low speed agitator bath 68 is to have the rotation round speed lower than the agitation blades of high speed agitator bath 66.By using this low speed agitator bath 68, the magnetic of might growing throw out, and form and have the large-scale magnetic throw out of hundreds of micron to several millimeters sizes.The water ballast that will comprise the magnetic throw out of growth is sent in the separating component 58.Although note in embodiment of the present invention, the parts 56 that condense are made of high speed agitator bath 66 and low speed agitator bath 68, but the structure of the parts 56 that condense is not limited to this structure, and multiple embodiments, for example, it is feasible wherein providing the embodiment of several steel basins of different agitating methods.
Separating component 58 comprises equipment for magnetic separation 72 and filtering separation device 74.Equipment for magnetic separation 72 is by magnetic force absorption and separate magnetic throw out in the water ballast, is no less than about 99% magnetic throw out in the former water and is separated by equipment for magnetic separation 72 and remove.The treating water of being handled by equipment for magnetic separation 72 is sent into filtering separation device 74.Filtering separation device 74 utilizes drum filter (the rotating drum filter) (not shown) of the filter with 10-50 μ m aperture, thereby and make water ballast be sent to the outside from the inboard inboard that water ballast is fed to drum filter, filter thus, and remove small fish and the shrimp that to get rid of by condensing thus.This makes can remove pollutent in the water ballast such as dust, solid floating particle, bacterium, planktonic organism etc., purifying water ballast thus.The water ballast of purifying is sent in the ballast box 16 via the waterpipe of handling 32, and in this storage.The structure of noting separating component 58 is not limited to above-mentioned embodiment, different embodiments is possible, as embodiment that filtering separation device 74 is not provided with utilize tripping device as replace the embodiment of magnetic resolution devices 72 based on those tripping devices of precipitate and separate and flotation separation etc.
The ballast water treatment system 50 of above-mentioned second embodiment is configured to like this, promptly for first embodiment, with stopple coupon 34,36, with 38 be connected to raw water pipeline 26, the waterpipe 32 of processing and ballast box 16, and stopple coupon 34,36 and 38 each all be connected in monitoring device 18.Monitoring device 18 sampling automatically draws up next water ballast to study its water quality by sampling tube 34,36 and 38.The method of research water quality does not specifically limit, and for example, exists the image analysis of obtaining the view data of water ballast and carrying out view data by shooting directly to measure the method for hydrobiont concentration.In addition, water quality can also be come indirect measurement by the colourimeter (calorimeter) that use is used for measuring the turbidometer of water turbidity and being used for measuring water colourity.
According to second embodiment of constructing as mentioned above, because the water quality of monitoring water ballast, and controlled the operational condition of water treatment device 52 based on its result, so even when the water quality of water ballast according to the water inlet condition and significantly not simultaneously, still can keep constant water ballast water quality always.
For example, deteriorating water quality when the water ballast of raw water pipeline 26, when causing hydrobiont concentration to improve, increase the processing power of water treatment device 52, as being input to the amount that chemical adds the chemical in the parts 54 by increasing, improve stirring effect in the parts 56 that condense increasing condensation number, and reduce by pump 28 and/or valve 30 and to handle flow velocitys and increase.On the contrary, the water quality of water ballast improves when water inlet, when causing hydrobiological concentration to reduce, reduce the processing power of water treatment device 52, as being input to the amount that chemical adds the chemical in the parts 54 by reducing, reduce stirring effect in the parts 56 that condense reducing condensation number, and improve by pump 28 and/or valve 30 and to handle flow velocitys and reduce.This will make and can handle with the change of water quality of the former water of water ballast, thus the water quality of water ballast after the stabilizing treatment.In addition,, can prevent that the chemical that chemical adds parts 54 from too much being added, prevent the disadvantageous effect of when discharging water ballast, uniting thus for local ecosystem by operational condition according to the water quality control water treatment device 52 of the former water of water ballast.
Similarly, can tackle such situation, wherein the change of water quality of the water ballast of the waterpipe 32 of Chu Liing (that is the water ballast after the processing just).That is, when hydrobiological concentration improved, the processing power of water treatment device 52 improved in the same manner as described above, and when hydrobiological concentration reduced, the processing power of water treatment device 52 reduced.This will make the feedback control that can carry out water treatment device 52, the water quality of water ballast after the stabilizing treatment thus.Noting the water quality of the water ballast of raw water pipeline 26 is compared with the water quality of the water ballast of the waterpipe 32 of processing can be more promptly and accurately change with the raw water quality of water ballast and handle, thus the further water quality of the water ballast after the stabilizing treatment.
In embodiments of the invention, also monitor the water quality of the water ballast in the ballast box 16, allow the water quality of the water ballast in the supervision ballast box 16 thus.Note as described below, when the deteriorating water quality in the ballast box 16, it can be handled by following method: wherein the circulation of the water ballast in the ballast box 16 is entered the method that water treatment device 52 is also handled once more, or wherein when the water ballast in the ballast box 16 is discharged from, described water ballast enters water treatment device 52 and is handled the method for discharging etc. once more.
As mentioned above, in second embodiment, the operational condition owing to control water treatment device 52 according to the water quality of water ballast can add an amount of condensing agent according to hydrobiological concentration.At this, the relation in the form of Fig. 8 between the addition of the turbidity of demonstration water ballast and condensing agent.According to embodiment of the present invention, can add an amount of condensing agent based on described relation.
The form that is noted that Fig. 8 shows that wherein poly aluminium chloride is as the situation of inorganic coagulant.
In addition, in second embodiment, owing to use based on condensing/water treatment device 52 of separation scheme, so can prevent the disadvantageous effect that occurs as in the situation of using sterilizing agent to the ecosystem.In addition, because when use based on condense/during the water treatment device 52 of separation scheme, mud (mud) (earth, biological dead volume etc.) will not pool in the ballast box 16, so can prevent the increase of hydrobiont in mud.The deteriorating water quality that therefore, can suppress the water ballast in the ballast box 16.
Note, although in the above-described embodiment, at three places (raw water pipeline 26, the waterpipe of handling 32, with ballast box 16) monitoring water ballast water quality, but the location and the quantity of point to be monitored are not limited to these, and for example, can take a sample to the water quality of water ballast at a place or two places of above-mentioned position.
Fig. 5 is the synoptic diagram of such system, wherein the ballast water treatment system of Fig. 4 is provided in the ballast box 16 function of processing ballast again.Make circulation line 82 be connected in ballast box 16 thereby the ballast water treatment system 80 that shows in the figure constructed, and the front end of circulation line 82 is connected in raw water pipeline 26.Be circulation line 82 equipment pumps and valve (all showing), and described pump and valve are by control device 20 controls.The front end that is noted that circulation line 82 can be connected in pump 28 upstream sides (left side of Fig. 5), thereby pump 28 and valve 30 are used to into water and circulation time.
As in the ballast water treatment system 80 of above-mentioned structure, monitor the water quality of the water ballast in the ballast box 16 and, control the operational condition of water treatment device 52 based on this monitoring result.For example, when the deteriorating water quality of the water ballast in the ballast box 16, the water ballast in the ballast box 16 is recycled in the water treatment device 52 by circulation line 82 and the processing once more of beginning water ballast.Then, according to the water quality of the water ballast in the ballast box 16, thereby the operational condition of control water treatment device 52 is carried out the processing once more of water ballast, and becoming up to water quality is less than or equal to permissible value.As a result, improved the water quality of the water ballast in the ballast box 16, and controlled it and be less than or equal permissible value.
Therefore, in embodiments of the invention, can circulate and purifying ballast box 16 in water ballast, and for example can in ship's navigation, carry out the purifying of water ballast.
In addition, although in the above-described embodiment, the water quality of the water ballast in the monitoring ballast box 16, and according to its result, the processing once more of control water ballast, but structure can be such, with the water quality of the water ballast in the ballast box 16 with just handle after the water-quality ratio of water ballast and according to comparative result, the operational condition when control is handled once more.For example, structure can be such, when promptly the water quality of the water ballast after just handling becomes and is equal to the water quality of the water ballast in the ballast box 16, stops the processing once more of water ballast.
Fig. 6 is a synoptic diagram, is presented at the flow process of carrying out the water discharge in the ballast water treatment system 50 of Fig. 4.Although noting drainage flow path has in the figure shown by using the water treatment device 52 of Fig. 4, pump 28, the example that valve 30 carries out draining, but the method for draining is not limited to this method, and draining can be undertaken by those water treatment device, pump and the valve when being different from water and injecting is provided.
Ballast water treatment system 50 shown in Fig. 6 is to construct like this, and promptly with the pump 28 of valve of opening 30 and driving, the water ballast in the ballast box 16 is discharged into the outside by water treatment device 52.According to monitoring result to the water quality of the water ballast in the ballast box 16, control device 20 control water treatment device 52.For example, when the water quality (hydrobiological concentration) of the water ballast in the ballast box 16 surpasses permissible value, by driving the processing once more of water treatment device 52 initial water ballasts, control the operational condition (injection rate of the processing volume of water ballast such as the sterilizing agent of time per unit, processing flow velocity) of water treatment device 52 according to the water quality of water ballast.Because therefore the water quality of this water ballast that improvement is to be discharged can discharge the water ballast that Be Controlled is less than or equal to permissible value.
Thereby because according to an embodiment of the present invention, structure is such, and promptly water treatment device 52 is positioned on the escape route of water ballast, therefore can carry out the processing once more of water ballast when discharging, and increases water quality thus.So, even the water quality of the water ballast in the ballast box 16 descends in the navigation process, still can by when discharging once more processing ballast satisfy the discharge standard of water ballast.
Claims (9)
1. ballast water treatment system, described system comprises the water treatment device of the material that from water ballast removal is to be removed and stores the ballast box of the water ballast of being handled by the water treatment device of installing aboard ship that described ballast water treatment system is characterised in that and comprises:
Monitor the monitoring device of the water quality of described water ballast; With
Control the control device of the operational condition of water treatment device based on the monitoring result of described monitoring device.
2. ballast water treatment system according to claim 1, wherein
Described water treatment device comprises:
Coagulation units, it is by injecting condensing agent to water ballast and stir the water ballast material to be removed that condenses; With
Separation/removal device, its separation and removal are present in the aggregation in the described coagulation units.
3. ballast water treatment system according to claim 2, wherein
Thereby described control device is controlled the injection rate that described coagulation units is regulated described condensing agent based on the monitoring result of described monitoring device.
4. according to claim 2 or 3 described ballast water treatment systems, wherein
Described separation/removal device is constructed to the combination of magneticseparation and filtering separation.
5. according to each described ballast water treatment system of claim 1-4, wherein
Described monitoring device by measuring described water ballast turbidity and at least one of colourity monitor described water ballast.
6. according to each described ballast water treatment system of claim 1-4, wherein
Described monitoring device is monitored described water ballast by the image analysis of carrying out described water ballast.
7. according to each described ballast water treatment system of claim 1-6, wherein
The processing volume that described control device control time per unit is handled by described water treatment device.
8. according to each described ballast water treatment system of claim 1-7, wherein
Described monitoring device the inlet part of described water treatment device, the exit portion of described water treatment device and/or in described ballast box the water quality of the described water ballast of monitoring.
9. according to each described ballast water treatment system of claim 1-8, wherein
Described ballast water treatment system comprises that the water ballast in the described ballast box maybe will be discharged to outside water ballast from described ballast box be back to pipeline in the described water treatment device, and described water ballast is handled once more by described water treatment device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-290955 | 2007-11-08 | ||
| JP2007290955A JP5238968B2 (en) | 2007-11-08 | 2007-11-08 | Ship |
| PCT/JP2008/070011 WO2009060813A1 (en) | 2007-11-08 | 2008-11-04 | Ballast water treatment system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210107005.5A Division CN102673768B (en) | 2007-11-08 | 2008-11-04 | Ballast water treatment system |
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| CN101855178A true CN101855178A (en) | 2010-10-06 |
| CN101855178B CN101855178B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200880115312XA Expired - Fee Related CN101855178B (en) | 2007-11-08 | 2008-11-04 | Ballast water treatment system |
| CN201210107005.5A Expired - Fee Related CN102673768B (en) | 2007-11-08 | 2008-11-04 | Ballast water treatment system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210107005.5A Expired - Fee Related CN102673768B (en) | 2007-11-08 | 2008-11-04 | Ballast water treatment system |
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| Country | Link |
|---|---|
| JP (1) | JP5238968B2 (en) |
| KR (5) | KR20170024151A (en) |
| CN (2) | CN101855178B (en) |
| SG (3) | SG185974A1 (en) |
| WO (1) | WO2009060813A1 (en) |
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| CN107531521A (en) * | 2015-04-30 | 2018-01-02 | 株式会社可乐丽 | Ballast water treatment plant and ballast water processing |
| CN106237895A (en) * | 2015-06-03 | 2016-12-21 | 泰科罗斯有限公司 | Utilize the ship ballast water processing means of sodium dichloro cyanurate |
| CN110510062A (en) * | 2019-09-17 | 2019-11-29 | 上海振华重工启东海洋工程股份有限公司 | A kind of underwater closure workmanship in floating dock |
Also Published As
| Publication number | Publication date |
|---|---|
| SG10201602094RA (en) | 2016-04-28 |
| KR101707066B1 (en) | 2017-02-15 |
| JP5238968B2 (en) | 2013-07-17 |
| SG185974A1 (en) | 2012-12-28 |
| KR20150086559A (en) | 2015-07-28 |
| KR20170024151A (en) | 2017-03-06 |
| CN102673768B (en) | 2015-06-10 |
| KR101712331B1 (en) | 2017-03-03 |
| CN101855178B (en) | 2013-02-13 |
| KR101756624B1 (en) | 2017-07-26 |
| SG10201701591TA (en) | 2017-04-27 |
| CN102673768A (en) | 2012-09-19 |
| KR20170023221A (en) | 2017-03-02 |
| KR20160014115A (en) | 2016-02-05 |
| KR20100077012A (en) | 2010-07-06 |
| JP2009112978A (en) | 2009-05-28 |
| WO2009060813A1 (en) | 2009-05-14 |
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