CN103189319A

CN103189319A - Ballast water treatment system and ballast water treatment method

Info

Publication number: CN103189319A
Application number: CN2011800510386A
Authority: CN
Inventors: 山本宽; 永冈秀基; 山口典生; 枝川晶义; 远藤广之; 船越英典
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Intellectual Property Management Co Ltd
Priority date: 2010-10-22
Filing date: 2011-10-21
Publication date: 2013-07-03
Anticipated expiration: 2031-10-21
Also published as: KR20130135254A; CN103189319B

Abstract

Provided is a ballast water treatment system equipped with: a ballast water supply line (107) that connects a water intake port (104) and a ballast tank (103); an eradication treatment device (102) positioned on the line (107), for electrically or mechanically eradicating aquatic organisms in fluid taken from the water intake port (104); a chemical supply device (101) that is connected to the line (107), and supplies sodium hypochlorite to the line (107) in order to kill aquatic organisms in fluid taken from the water intake port (104). The chemical supply device (101) is connected to a second water intake port (114), which is different to the water intake port (104) to which the ballast water supply line (107) is connected, and produces sodium hypochlorite by electrolyzing fluid taken from the second water intake port (114).

Description

Ballast water treatment system and ballast water processing

Technical field

The present invention relates to a kind of ballast water treatment system and ballast water processing.

Background technology

In the boats and ships of oil tanker, large cargo ship etc. and so on, when under the few state of the loading capacity of unloaded oil, goods or oil, goods, navigating by water, in order to ensure stability and the balance of boats and ships, in ballast tank (ballast tank), hold water ballast usually and navigate by water.This water ballast draws seawater at the harbour of unloading usually and waits to inject, and is discharged from the harbour of loading.Like this, use the seawater etc. at harbour of unloading as water ballast, so include the hydrobiont that perches at the harbour periphery of unloading etc. in the water ballast, this hydrobiont is discharged from water ballast at the harbour of loading.

In recent years, comprise the ecosystem disorder that hydrobiological water ballast causes and become problem in the world owing to discharging this.Therefore, International Maritime Organizaton (IMO) passed through the Ballast Management treaty in 2004, wherein, the discharge benchmark that inhabits the biology in the water ballast of discharging had been carried out strict regulation.

Treatment process as water ballast has proposed the whole bag of tricks.Specifically, have following method etc.: by filter and centrifugation etc. remove hydrobiological method, physically/mechanically kill hydrobiological method, kill hydrobiological method, be the method that material waits to kill hydrobiological method (for example, patent documentation 1 and non-patent literature 1) and these methods made up gained by pharmaceutical chemicals being injected ballast tank or generating chlorine by heating.

On the other hand, namely allow to get rid of the hydrobiont in the water ballast, also can destroy the environment of harbour periphery sometimes according to remaining in clorox concentration in the draining.Therefore, proposed following method etc.: the clorox concentration according to water ballast when discharging waits to add reductive agent to neutralize; Placing water ballast makes the concentration of residual chlorine of water ballast be essentially zero (patent documentation 2).

Patent documentation 1: Japanese Unexamined Patent Application Publication 2007-515289 communique

Patent documentation 2: No. 4262720 communique of Japanese Patent

Non-patent literature 1:Yukihiko OKAMOTO et al., JFE skill and technique No.25 (in February, 2010) p.1-6

Summary of the invention

The problem that invention will solve

As mentioned above, owing to passed through the Ballast Management treaty and the obligated ballast water treatment plant that arranges, therefore further seek the new technology that to handle water ballast.In patent documentation 1, proposed a kind of water ballast to be carried out that electrolysis produces clorox so that the method for the hydrobiont extinction of water ballast.Yet, only the hydrobiont in the water ballast is killed the problem of handling below existing by clorox: need a large amount of clorox, and need to be used for storing the big jar of clorox; In order to produce a large amount of clorox, need big electrolytic processing apparatus and a lot of electric power amount.In addition, there is following problem: the generation of clorox and use the ballast water treatment of this clorox normally to carry out at the lay day that reaches port, and can need a lot of electric power with the taking and discharging that is used for loading and unloading goods, water ballast etc. at the lay day that reaches port, when carrying out these actions during power shortage, the operation meeting of loading and unloading goods, taking and discharging is broken down, and perhaps further makes and breaks down in the navigation of boats and ships.Therefore, the invention provides a kind of electric power consumption that can reduce the lay day that reaches port and small-sized and be easy to be loaded in new ballast water treatment system and ballast water processing on the boats and ships.

For the scheme of dealing with problems

A mode of the present invention relates to a kind of ballast water treatment system, and this ballast water treatment system possesses: the water ballast supply lines, and it is connected intake with ballast tank; Kill and wound treatment unit, it is configured on the above-mentioned water ballast supply lines, is used for electric or mechanical system the hydrobiont of the liquid that is taken into from above-mentioned intake being killed and wounded processing; And chemicals feeder, it is connected with above-mentioned water ballast supply lines, supply with aqueous sodium hypochlorite solution to above-mentioned water ballast supply lines, this aqueous sodium hypochlorite solution is used for the hydrobiont of the liquid that is taken into from above-mentioned intake is killed processing, wherein, above-mentioned chemicals feeder is connected with second intake that is different from the intake that above-mentioned water ballast supply lines is connected, and the liquid that is taken into from above-mentioned second intake is carried out electrolysis produce clorox.

Alternate manner of the present invention relates to a kind of ballast water processing, and this method comprises: with electric or mechanical system the hydrobiont the liquid that is taken into from intake is killed and wounded processing; Supply with aqueous sodium hypochlorite solution to the liquid that is taken into from intake; And will carry out the above-mentioned fluid storage handling and supplied with behind the above-mentioned aqueous sodium hypochlorite solution of killing and wounding in ballast tank, this method also comprises: the liquid for the manufacture of clorox that comprises the liquid that is taken into from second intake that is different from above-mentioned intake is at least carried out electrolysis, make above-mentioned aqueous sodium hypochlorite solution.

The effect of invention

According to the present invention, can reduce the electric power consumption of the lay day that reaches port, and small-sized and be easy to be loaded on the boats and ships.

Description of drawings

Fig. 1 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 1-1.

A～C of Fig. 2 is the summary structure iron of an example of the structure of expression chemicals feeder.

A～D of Fig. 3 is the summary structure iron of an example of the structure of expression electrical treating device.

Fig. 4 A is the reach port schema of an example for the treatment of process of water ballast of lay day of expression.

Fig. 4 B is the schema of an example of manufacturing of the clorox of expression unballast method and term of voyage.

Fig. 5 is the functional block diagram of the structure example of expression water ballast Controlling System.

Fig. 6 is included measurement section and the structure example of control part and the functional block diagram that is recorded in the data example in the record portion of expression water ballast Controlling System.

Fig. 7 is other routine summary structure iron of the ballast water treatment system among the expression embodiment 1-1.

Fig. 8 is another routine summary structure iron of the ballast water treatment system among the expression embodiment 1-1.

Fig. 9 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 1-2.

Figure 10 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 1-3.

Figure 11 A is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 1-4.

Figure 11 B is other routine summary structure iron of the ballast water treatment system among the expression embodiment 1-4.

The A of Figure 12 and B are the part figure of the ballast water treatment system among the embodiment 1-4.

Figure 13 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 1-5.

Figure 14 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 1-6.

Figure 15 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 2-1.

Figure 16 is the summary structure iron of an example of the structure of expression chemicals feeder.

Figure 17 is the functional block diagram of the structure example of the water ballast Controlling System among the expression embodiment 2-2.

Figure 18 is expression measurement section and the structure example of control part and the functional block diagram that is recorded in the data example in the record portion.

Figure 19 is the schema of an example of the ballast water processing in the ballast water treatment system of expression embodiment 2-1.

Figure 20 is the chart of an example of the extinction curve of expression clorox.

Figure 21 represents the example of structure of the attenuation measurement unit of clorox.

Figure 22 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 2-3.

Figure 23 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 3-1.

Figure 24 is the summary structure iron of an example of the ballast water treatment system among the expression embodiment 4-1.

Embodiment

In this manual, " hydrobiont " comprises the microorganism that inhabits in sea, rivers, the lake etc., in addition, also comprise hydrobiont that the crustacean young equidimensions such as the young, crab of yeast, mould, vegetalitas or shellfishes such as animality planktonic organism, planktonic ovum or sporozoite, bacterium class, mushroom, virus, algae, spiral shell and bivalve is more small etc.In addition, can also comprise the microorganism that can in the river mouth that connects with marine facies, rivers and creeks, canal etc., perch and above-mentioned hydrobiont.

In this manual, the liquid ") that " liquid that is taken into from intake (also be called simply sometimes " water intaking obtains " refer to from the outboard water intaking and be stored in be used as the liquid that water ballast uses the ballast tank, can comprise seawater, brackish water and fresh water.Liquid for example both can be the liquid that comprises sodium-chlor as seawater etc., also can be the liquid that does not comprise sodium-chlor.In addition, obtaining region of fluid and be not particularly limited, both can be saline waters, also can be fresh water, can also be the brackish water territory.In this manual, " water ballast (バラスト water) " refers to be stored in the liquid in the ballast tank, can comprise in order to be stored in the ballast tank and the liquid that is taken into from intake.In addition, in this manual, the intake that is connected with the water ballast supply lines comprises sea chest (sea-chest).

In this manual, " boats and ships " refer to possess the general ship of ballast tank, for example comprise container-ship, ferry, oil tanker, bulkcarrier (bulk carrier), chemical tanker, motor car carrier.

[first mode]

As first mode, the present invention relates to a kind of ballast water treatment system (below, be also referred to as " first ballast water treatment system of the present invention "), this ballast water treatment system possesses: the water ballast supply lines, it is connected intake with ballast tank; Kill and wound treatment unit, it is configured on the above-mentioned water ballast supply lines, is used for electric or mechanical system the hydrobiont of the liquid that is taken into from above-mentioned intake being killed and wounded processing; And chemicals feeder, it is connected with above-mentioned water ballast supply lines, supply with aqueous sodium hypochlorite solution to above-mentioned water ballast supply lines, this aqueous sodium hypochlorite solution is used for the hydrobiont of the liquid that is taken into from above-mentioned intake is killed processing, wherein, above-mentioned chemicals feeder is connected with second intake that is different from the intake that above-mentioned water ballast supply lines is connected, and the liquid that is taken into from above-mentioned second intake is carried out electrolysis produce clorox.

In boats and ships, owing to operations such as the taking and discharging that will carry out water ballast, loading and unloading goods, therefore can use a lot of electric power at the lay day that reaches port.The present invention is based on following opinion: as long as produce clorox at term of voyage, just can reduce the electric power amount that the lay day that reaches port uses.

The present invention according to first mode, use these two kinds of devices of chemicals feeder that kill and wound treatment unit and be used for to supply with clorox of electric or mechanical system to come water ballast is handled, therefore can in boats and ships, disperse to arrange, and can make the miniaturization of clorox generation device, play the effect that is easy to be loaded on the boats and ships.According to the present invention of first mode, by producing clorox at term of voyage, play the effect of the electric power consumption that can reduce the lay day that reaches port.

In first mode, " hydrobiological electric or mechanical system kill and wound processing (below, be also referred to as " kill and wound treatment unit ") " and comprising: the means by electric or mechanical system are separated, remove, are destroyed and/or kill hydrobiological at least a portion that the liquid that is taken into from intake comprises.Hydrobiological destruction comprises hydrobiological part or all destruction.As the treatment unit that kills and wounds of electric or mechanical system, for example can list electrolytic processing apparatus, centrifugal equipment for separating liquid from solid and utilize hydraulic pressure to produce device that shockwave handles etc.As electrolytic processing apparatus, can use known electrolytic processing apparatus.Electrolytic processing apparatus for example preferably possesses the fixed-bed type electrode electrolyser.The fixed-bed type electrode electrolyser for example comprises the fixed bed that produces polarization and the power consumption utmost point that is used for making the polarization generation.The fixed-bed type electrode electrolyser both can be the unipolarity that possesses a fixed bed, also can be the multipole that possesses two above fixed beds.As the voltage that is applied to electrode, volts DS and voltage of alternating current are arranged, and voltage of alternating current preferably.Inter-electrode voltage for example is below the 10V, below the 5V, below the 3V, and from reducing the viewpoint that consumes electric power and can suppress to produce owing to electrolysis unwanted gas, inter-electrode voltage is preferably 0.5～1.5V.Be under the situation of voltage of alternating current at the voltage that is applied to electrode, more preferably, inter-electrode voltage is roughly 1.5V.Be under the situation of volts DS at the voltage that is applied to electrode, more preferably, inter-electrode voltage is roughly 0.75V.Electrolytic processing apparatus both can be cross-flow (cross flow) mode, also can be dead end (dead-end) mode.Obstruction from prevent electrolytic processing apparatus can reduce the viewpoint of pressure loss, is preferably the cross-flow mode.Based on same viewpoint, electrolytic processing apparatus also can possess backwashing mechanism.As centrifugal equipment for separating liquid from solid, can use known centrifugal equipment for separating liquid from solid, for example can list wet cyclone etc.

In first mode, " hydrobiological kill processing " comprising: to hydrobiological at least a portion that the liquid that obtains as the water intaking of handling object and/or water ballast comprise kill and wound, sterilization or kill; And/or suppress hydrobiological propagation.Kill processing as hydrobiological, preferably comprise: the liquid that obtains to water intaking and/or supply with aqueous sodium hypochlorite solution through the liquid that kills and wounds after the processing of electric or mechanical system, discharge benchmark when discharging water ballast, to satisfy the water ballast shown in the following table 1; More preferably comprise: carry out hydrobiological kill and wound, kill and/or suppress propagation discharge benchmark when discharging water ballast, to satisfy the water ballast shown in the following table 1.

[table 1]

In first mode, " chemicals feeder " is to point to liquid that water intaking obtains and/or through the device that liquid after the processing is supplied with aqueous sodium hypochlorite solution that kills and wounds of electric or mechanical system.In first mode, " second intake that is different from the intake that the water ballast supply lines connects " refer to for being taken into intake (for example sea chest) in addition the intake of liquid to be stored in ballast tank, for example can list existing intake for tap water etc. etc. on the boats and ships.Chemicals feeder is connected with second intake that is different from the intake (for example sea chest etc.) that the water ballast supply lines is connected.Therefore, chemicals feeder produces clorox by the liquid that is taken into from second intake is carried out electrolysis, can make aqueous sodium hypochlorite solution.Therefore chemicals feeder is connected with second intake, need not to drive ballast pump etc. and just can fetch water, and also can easily carry out the water intaking of liquid and the generation of clorox at term of voyage.The water intaking of liquid for example can use existing pump to wait to carry out.As existing pump, for example can list be used to pump that is taken into tap water, Clean-liquid etc. etc.Usually, this pump is compared with ballast pump and can be driven with less consumption electric power, therefore by using this existing pump, can measure into liquid with few electric power.

Chemicals feeder for example can list the mode that possesses electrolyzer and storage tanks so long as the device that produces clorox by electrolysis gets final product.By possessing storage tanks, store the clorox of high density, supply to the water ballast supply lines via pump, valve as required.Chemicals feeder also can possess thermostat unit.By utilizing thermostat unit the temperature of the aqueous sodium hypochlorite solution in the chemicals feeder is controlled, can suppress to be stored in the hypochlorous decomposition in the aqueous sodium hypochlorite solution of chemicals feeder, further increase effective chlorine density and reduce chloric acid concentration.As the temperature of the aqueous solution, from suppressing the viewpoint of hypochlorous decomposition, for example be below 20 ℃, be preferably below 15 ℃ more preferably roughly 10 ℃.As thermostat unit, for example can list refrigerating units such as cooling unit and warming apparatus etc.Preferably chemicals feeder possess the concentration that can measure clorox time meter (below, be called " clorox densitometer " or simply be called " densitometer ".) and under meter can grasp the clorox concentration of supplying with to the water ballast supply lines, preferably use them to control the clorox concentration that supplies to the water ballast supply lines.

Chemicals feeder also can possess the sodium-chlor hold-up vessel.Thus, for example, even also can produce clorox at the boats and ships of fresh water navigation.Even at the boats and ships of saline waters navigation, also can add the aqueous sodium hypochlorite solution that sodium-chlor is made greater concn by the seawater that obtains to water intaking.Sodium-chlor both can be the aqueous solution, also can be for solid-state.

Chemicals feeder is connected with the water ballast supply lines, can supply with aqueous sodium hypochlorite solution to the liquid that is taken into from the intake that is connected in the water ballast supply lines.Link position (donor site of aqueous sodium hypochlorite solution) is not particularly limited, for example, can list the intake that is connected in the water ballast supply lines and kill and wound between the treatment unit and kill and wound treatment unit and ballast tank between etc.

In one embodiment, chemicals feeder also can except with the intake that also is connected with the water ballast supply lines above-mentioned second intake is connected (for example, the intake that is used for water ballast of sea chest etc.) is connected, perhaps replaces second intake and the intake that is connected with the water ballast supply lines is connected.By being connected with this two side of intake and second intake who is used for water ballast, can efficiently the liquid for the manufacture of aqueous sodium hypochlorite solution be taken into chemicals feeder.The circuit that will be connected with chemicals feeder for the intake of water ballast also can possess the water intaking pump that is different from ballast pump.Thus, need not to drive ballast pump and just can be taken into liquid for the manufacture of aqueous sodium hypochlorite solution.In addition, in one embodiment, chemicals feeder also can except with also be connected with ballast pump above-mentioned second intake is connected, perhaps replace second intake and be connected with ballast pump.

In one embodiment, first ballast water treatment system of the present invention can also possess for the after-treatment device that the clorox of water ballast is carried out disaggregating treatment when discharging water ballast.By possessing after-treatment device, even the clorox concentration of water ballast can also reduce the usage quantity of reductive agent above also carrying out the discharge of water ballast rapidly under the situation of discharging benchmark when discharging water ballast.As after-treatment device, as long as for example hypochlorous acid can be decomposed or reduction, then be not particularly limited, and reduce the viewpoint of the spent operating cost of ballast water treatment from the usage quantity that reduces reductive agent, be preferably the device that use can be decomposed hypochlorous catalyzer.As catalyzer, for example can list nickel, palladium.After-treatment device also can also have sorbent materials such as aluminum oxide except above-mentioned catalyzer.As long as after-treatment device is configured on the circuit that water ballast passes through when discharging water ballast.For example, can be configured on the water ballast supply lines, perhaps connect branched line and be configured on this circuit at the water ballast supply lines.Preferably after-treatment device is also used as for the reducer feeding device with the aqueous sodium hypochlorite solution reduction.

First ballast water treatment system of the present invention can possess acid liquid storage tanks (acid liquid supplying device), and this acidity liquid storage tanks is controlled below hypochlorous pKa value for the pH value of the liquid that will supply with aqueous sodium hypochlorite solution.The pKa value of clorox is about 7.5.Therefore, before supplying with aqueous sodium hypochlorite solution, can by the pH value of liquid is controlled below the pKa value, be preferably control and in the scope of pH value 5～6, improve the hypochlorous ability of killing, thereby improve the processing efficiency of the hydrobiological ability of killing.In addition, even the clorox of lower concentration also can be killed processing fully, can reduce addling of pipe arrangement, ballast tank.Acid liquid as being stored in the acid liquid storage tanks for example can list hydrochloric acid and sulfuric acid etc., from the high viewpoint of acidity, is preferably hydrochloric acid.Acid liquid storage tanks is connected with the water ballast supply lines, for example as long as in the mode that can be before supplying with aqueous sodium hypochlorite solution acid liquid be supplied to the liquid that obtains of fetching water acid liquid storage tanks is connected with the water ballast supply lines.

As alternate manner, the present invention relates to a kind of water-filling method that uses the water ballast of first ballast water treatment system of the present invention, possess the boats and ships of first ballast water treatment system of the present invention.

As another way, the present invention relates to a kind of ballast water processing (below, be also referred to as " first ballast water processing of the present invention "), this method comprises: with electric or mechanical system the hydrobiont the liquid that is taken into from intake is killed and wounded processing; Supply with aqueous sodium hypochlorite solution to the liquid that is taken into from intake; And will carry out the above-mentioned fluid storage handling and supplied with behind the above-mentioned aqueous sodium hypochlorite solution of killing and wounding in ballast tank, this method also comprises: the liquid for the manufacture of clorox that comprises the liquid that is taken into from second intake that is different from above-mentioned intake is at least carried out electrolysis, make above-mentioned aqueous sodium hypochlorite solution.

According to first ballast water processing of the present invention, owing to carry out the processing that killing and wounding of electric or mechanical system handled and utilized clorox, only therefore for example can easily kill and wound shellfish, the crustacean young that the processing by clorox is difficult to fully kill and wound.According to first ballast water processing of the present invention, also be easy to fetch water to chemicals feeder from outboard at term of voyage, thereby play the effect that easily to make aqueous sodium hypochlorite solution at term of voyage.First ballast water processing of the present invention can use first ballast water treatment system of the present invention to carry out.

In first ballast water processing of the present invention, the supply of aqueous sodium hypochlorite solution both can also can these both sides all be carried out before handling and after the processing the killing and wounding before the processing or kill and wound and carry out after handling of electric or mechanical system.

In first ballast water processing of the present invention, from the reach port viewpoint of consumption electric power amount of lay day of reduction, preferably term of voyage carry out aqueous sodium hypochlorite solution manufacturing and/or be used for the water intaking of the liquid of this manufacturing, more preferably carry out this two side at term of voyage.Preferably the aqueous sodium hypochlorite solution with the term of voyage manufacturing is stored in the chemicals feeder.Thus, the consumption electric power amount of the lay day that reaches port can be reduced, the supply of aqueous sodium hypochlorite solution can also be promptly begun.Preferably on one side temperature is controlled and carried out manufacturing and the storage of aqueous sodium hypochlorite solution on one side.By temperature is controlled, can suppress to be stored in the hypochlorous decomposition in the aqueous sodium hypochlorite solution of chemicals feeder, further increase effective chlorine density and reduce chloric acid concentration.

In first ballast water processing of the present invention, the liquid that is used for the clorox manufacturing also can comprise the liquid that is taken into from for the above-mentioned intake that is taken into the liquid that is stored in ballast tank.

Below, preferred implementation is shown describes the present invention in detail.But, the embodiment that the present invention is not limited to illustrate below.

(embodiment 1-1)

Fig. 1 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 1-1.

As shown in Figure 1, the ballast water treatment system of present embodiment 1-1 comprises chemicals feeder 101, kills and wounds treatment unit 102 and water ballast supply lines 107.Ballast water treatment system according to present embodiment 1-1, use is supplied with the chemicals feeder 101 of aqueous sodium hypochlorite solution and is killed and wounded treatment unit 102 and come hydrobiont is handled, the clorox that therefore can utilize concentration to be lower than in the past comes hydrobiont is killed processing, thereby can prevent the corrosion etc. of pipe arrangement, ballast tank.

Water ballast supply lines 107 is for supplying to the circuit of ballast tank 103 from the liquid that intake 104 is taken into, the one end is connected with the intake that is taken into water ballast (sea chest) 104, strainer (strainer) 105 and ballast pump 106, and the other end is connected with ballast tank 103.Ballast tank 103 is split into a plurality of ballast tank 103a～103d usually.

Kill and wound treatment unit 102 and be configured on the water ballast supply lines 107, be disposed between ballast pump 106 and the ballast tank 103.Chemicals feeder 101 is connected with water ballast supply lines 107 via soup supply lines 109, can be to supplying with aqueous sodium hypochlorite solution through killing and wounding the liquid that treatment unit 102 handled.

Chemicals feeder 101 is connected with second intake 114 that is different from intake (sea chest) 104 via circuit 110.Thus, chemicals feeder 101 need not to drive ballast pump 106 and just can be taken into liquid for generation of clorox from outboard.Also can possess be used to the pump 116 that is taken into liquid and strainer 115 on the water intaking circuit 110.As second intake 114 and pump 116, can use on the boats and ships existing for tap water, in the intake of the liquid etc. of cleaning and pump etc. respectively.Soup supply lines 109 also can possess for pump from aqueous sodium hypochlorite solution to water ballast supply lines 107 that send and be used for controlling the valve M of the feed rate of aqueous sodium hypochlorite solution.In addition, also can send aqueous sodium hypochlorite solution to water ballast supply lines 107 with the pump that the pump that is built in chemicals feeder 101 (not shown) replaces being configured on the soup supply lines 109.In addition, soup supply lines 109 also can for example possess clorox densitometer and under meter, to measure the feed rate of the clorox that water ballast supply lines 107 is supplied with.As under meter, for example preferably can measure the flow quantity recorder FM of total flux, instantaneous delivery.

As chemicals feeder 101, for example can use the chemicals feeder 201 of the mode shown in the A of Fig. 2.The A of Fig. 2 is that expression can produce the summary structure iron of an example of structure of the device of clorox by liquid being carried out electrolysis.Shown in the A of Fig. 2, chemicals feeder 201 possesses for the storage tanks 211 that stores aqueous sodium hypochlorite solution and for the electrolyzer 212 that produces clorox by electrolysis treatment.Storage tanks 211 is connected with circuit 110,109, can be taken into liquid for generation of clorox from outboard by circuit 110, and can stored aqueous sodium hypochlorite solution be supplied to water ballast supply lines 107 by circuit 109.Storage tanks 211 is connected by circuit 213,214 with electrolyzer 212, and the clorox that produces in electrolyzer 212 is stored in the storage tanks 211 by circuit 214.From producing and store the viewpoint of clorox, preferably can circulate by circuit 213 and circuit 214 between storage tanks 211 and the electrolyzer 212.Circuit 213 and/or circuit 214 also can possess the pump for liquor charging.Circuit 213 possesses heat exchanger 215 and the cooling unit (chiller unit) 216 for the temperature of control aqueous sodium hypochlorite solution.

Preferably storage tanks 211 possesses lagging material, with to stored aqueous sodium hypochlorite solution and/or control for the manufacture of the temperature of the liquid of this aqueous solution.

Preferably storage tanks 211 possesses the clorox densitometer.Thus, can manage the clorox concentration in the storage tanks 211, and can for example come the amount of the generation to clorox, the liquid supplied with to storage tanks 211, the amount etc. that is transported to the liquid of electrolyzer 212 to control according to the clorox concentration in the storage tanks 211.

Storage tanks 211 and electrolyzer 212 also can possess for gas blower 217 and the relief outlet 218 of discharging the gas (particularly hydrogen) that produces.

Except with circuit 110 that second intake 116 is connected, chemicals feeder 101 also can possess the circuit (not shown) that can be taken into the liquid that is obtained by ballast pump 106 water intakings.By being connected with ballast pump 106, can be taken into the liquid for the manufacture of aqueous sodium hypochlorite solution efficiently.

As other example of chemicals feeder 101, for example can list the B of Fig. 2 and the mode shown in the C.The B of Fig. 2 and C are other routine summary structure iron of structure that expression can produce the device of clorox by electrolysis.The chemicals feeder 201 of the mode shown in the B of Fig. 2 possesses the electrolyzer 212 that is connected with circuit 110 and the storage tanks 211 that is connected with circuit 109, and electrolyzer 212 is connected by circuit 213 with storage tanks 211.The chemicals feeder 201 of the manner will be taken into electrolyzer 211 by circuit 110 for generation of the liquid of clorox from outboard, produce clorox in this electrolyzer 211.The aqueous sodium hypochlorite solution that produces is supplied to and is stored in the storage tanks 211 by circuit 213, supplies to water ballast supply lines 107 by circuit 109 as required.Circuit 110 also can possess heat exchanger (not shown) and the cooling unit (not shown) for the temperature of control aqueous sodium hypochlorite solution.

In the B of Fig. 2, show the example that storage tanks 211 and electrolyzer 212 are connected by circuit 213, but the chemicals feeder of the manner 201 is not limited thereto, for example also can possess can be from storage tanks 211 to electrolyzer the circuit of 212 feeding liquids, can make between storage tanks 211 and the electrolyzer 212 by this circuit and circuit 213 and to circulate.

The chemicals feeder 201 of the mode shown in the C of Fig. 2 also can be the device that only possesses a treatment trough 219.Treatment trough 219 produces clorox by electrolysis treatment, and stores aqueous sodium hypochlorite solution.By making treatment trough 219 have the function of storage tanks and electrolyzer concurrently, for example can make chemicals feeder 201 further miniaturizations.

Killing and wounding treatment unit 102 is for the device that hydrobiont is killed and wounded processing with electric or mechanical mode.As killing and wounding treatment unit 102, for example can use the electrical treating device of the mode shown in A～D of Fig. 3.A～D of Fig. 3 is the summary structure iron of an example of the structure of expression fixed-bed type electrode electrolyser, the A of Fig. 3 represents to be configured in the cross-flow mode example of the unipolarity fixed-bed type electrode electrolyser on the water ballast supply lines 107, the B of Fig. 3 and C represent to be configured in the cross-flow mode example of the multipole fixed-bed type electrode electrolyser on the water ballast supply lines 107, and the D of Fig. 3 represents to be configured in the dead end mode example of the multipole fixed-bed type electrode electrolyser on the water ballast supply lines 107.In A～D of Fig. 3, to identical textural element additional phase mark together.

Shown in the A of Fig. 3, unipolarity fixed-bed type electrode electrolyser possesses electrolyzer main body 302, fixed-bed type electrode 311, the power consumption utmost point 312 and power supply 313, so that the flowing of liquid (the black arrow of the A of Fig. 3) is that the mode of horizontal direction (tangential direction) is configured on the water ballast supply lines 107 with respect to the face of fixed-bed type electrode 311.By disposing the fixed-bed type electrode electrolyser in the cross-flow mode, can easily remove the dirt of the face of fixed-bed type electrode 311, thereby can suppress pressure loss.In the time will supplying to the fixed-bed type electrode electrolyser from the liquid that intake 104 is taken into, the liquid of supplying with is along the direction mobile (hollow arrow of the A of Fig. 3) vertical with respect to the face of fixed-bed type electrode 311.When the hydrobiont in the liquid contacts by liquid-flow and with fixed-bed type electrode 311, the exchange of electronics takes place between the surface of fixed-bed type electrode 311 and the hydrobiological cell, can weaken hydrobiological activity, the hydrobiont of perhaps can destroying or become extinct, or damage a hydrobiological part.Accumulated at the face of fixed-bed type electrode 311 under the situation of retentate, dirt, can come it is cleaned by opening the valve that is configured on the circuit 303, come easily they to be removed.One end of circuit 303 is connected to outboard, and the residue of removing is discharged to outboard.

As the material of fixed-bed type electrode 311, so long as the material that the liquid that is taken into from intake 104 is seen through gets final product, for example can list material that porous material, carbonaceous material and metallic substance, these materials are formed by the precious metal coating etc.As carbonaceous material, for example can list gac, graphite and carbon fiber etc.As metallic substance, for example can list nickel, copper, stainless steel, SUS (stainless steel), iron and titanium etc.Wherein, as the material of fixed-bed type electrode 311, from intensity and etch-proof viewpoint, preferred SUS and titanium.The shape that constitutes fixed-bed type electrode 311 is not particularly limited, and for example can list ball, grain, fiber, felt (felt), weave cotton cloth and porous piece etc.The perforate footpath of fixed-bed type electrode 311 is for example more than or equal to 100 μ m.As the material of the power consumption utmost point 312, for example be preferably titanium.As the shape of the power consumption utmost point 312, for example can list flat board, wire netting (expanded metal) and abacus etc.Power supply 313 both can be that direct supply can be AC power also, was preferably AC power.

Shown in the B of Fig. 3, multipole fixed-bed type electrode electrolyser comprises electrolyzer main body 302, power consumption utmost point wire connecting portion 314,315, fixed bed 316, separator 317 and power supply 313.Fixed bed 316 is configured between the power consumption utmost point wire connecting portion 314,315, and separator 317 is disposed between power consumption utmost point wire connecting portion 314 and the fixed bed 316 respectively, between 316 on fixed bed and fixed bed 316 and the power consumption utmost point wire connecting portion 315.AC power is used as power supply 313, when to 314,315 energisings of the power consumption utmost point wire connecting portion, the face of power consumption utmost point wire connecting portion 314 sides of each fixed bed 316 and power consumption utmost point wire connecting portion 315 sides alternately is polarized to positive and negative with changing, at face formation porous anode and the porous cathode of each fixed bed 316.By using multipole fixed electrode electrolyser like this, the quantity that is configured in the fixed bed 316 in the electrolyzer increases, and the number of times that hydrobiont is contacted with fixed bed 316 increases, thereby can improve processing efficiency.

The multipole fixed-bed type electrode electrolyser of the C of Fig. 3 is except disposing a fixed bed 316, and other structure with Fig. 3 B is identical.

The multipole fixed-bed type electrode electrolyser of the D of Fig. 3 is configured and disposes three fixed beds 316 except replace the cross-flow mode in the dead end mode, and other structure with Fig. 3 B is identical.

On water ballast supply lines 107, preferably and the connection section of soup supply lines 109 and kill and wound and for example dispose valve (not shown) between the treatment unit 102.Thus, can be based on being disposed at ballast pump 106 and killing and wounding the amount that observed value among the under meter FM (not shown) between the treatment unit 102 is controlled the liquid (water ballast) that is injected into ballast tank 103.From being easy to control the viewpoint to the injection rate of ballast tank 103, valve is preferably motorized valve.

An embodiment of the ballast water treatment of the ballast water treatment system that uses present embodiment 1-1 is described based on Fig. 4 A and Fig. 4 B.

At first, shown in Fig. 4 A, when reaching port when navigation end (S401), to break bulk (S402).In addition, beginning being taken into and handling of water ballast (S403) starts ballast pump 106, kills and wounds the pump (S404) of the soup supply lines 109 for the treatment of unit 102 and chemicals feeder 101.Thus, begin to be taken into liquid by intake 104 and water ballast is handled.The liquid that is taken into by intake 104 is fed into remove big rubbish etc. by strainer 105 after and kills and wounds treatment unit 102, and that carries out that liquid comprises hydrobiologically kills and wounds processing.In killing and wounding treatment unit 102, by carrying out the processing of electric or mechanical system, separate, remove, destroy and/or kill bigger hydrobiont in the hydrobiont that the liquid that obtains of water intaking comprises.Then, to through killing and wounding the liquid supply aqueous sodium hypochlorite solution that treatment unit 102 was handled, utilize clorox to come hydrobiont is killed processing from chemicals feeder 101.The liquid that comprises clorox is fed into ballast tank 103 by water ballast supply lines 107.Clorox concentration in the aqueous sodium hypochlorite solution of supplying with is for example more than or equal to 5000ppm, and its pH value for example is 8～9.Carry out the processing (S405) of this water ballast while the feed rate of the injection rate of controlling water ballast and/or clorox.If injected the water ballast of specified amount in the ballast tank 103, and the concentration of the clorox in the ballast tank 103 is controlled to be the concentration (S406) of regulation, then finish being taken into and handling of water ballast (S407), stop ballast pump 106, kill and wound the pump (S408) of the soup supply lines 109 for the treatment of unit 102 and chemicals feeder 101.Undertaken killing and wounding and supply with aqueous sodium hypochlorite solution after handling and kill by killing and wounding treatment unit 102, the hydrobiont that the water ballast in the liquid that thus can be efficiently water intaking be obtained and/or the ballast tank comprises is killed processing.

Then, shown in Fig. 4 B, when reaching port when the navigation end, beginning unballast (deballast) (S411) starts ballast pump 106 and densitometer (S412).Thus, begin overboard to discharge water ballast from ballast tank 103.Water ballast imports water ballast supply lines 107 from ballast tank 103.Utilization is configured in the clorox concentration (S413) that densitometer on the water ballast supply lines 107 is measured the water ballast of discharging.Judge whether measured clorox concentration satisfy and discharge benchmark (S414), be lower than in clorox concentration under the situation of 0.2ppm, think to satisfy and discharge benchmark and be released to marine (unballast) (S415) via intake 104.Under the situation of clorox concentration more than or equal to 0.2ppm, add neutralizing agent (S416), carry out measurement (S413) and the above-mentioned judgement (S414) of the concentration of clorox again.If the water ballast in the ballast tank 103 is all discharged, then finish unballast, stop densitometer and ballast pump 106 (S417).

When unballast and loading end, leave the port (S421).At term of voyage, ejector priming 116 comes by second intake 114 liquid to be taken into chemicals feeder 101.In addition, also can start ballast pump 106 with the startup of pump 116 comes by sea chest liquid to be taken into chemicals feeder 101.Start-up temperature control unit (S422) will be controlled to be the optimum temps that suppresses hypochlorous decomposition for generation of the temperature of the liquid of clorox.If the fluid storage of the amount that will stipulate then stops pump 116 (S423) to storage tanks 211.At this moment, preferably, temperature control unit does not stop and carrying out frequency conversion running (インバータ ?translocation).The rectifier, pump and the gas blower that cooperate hours underway (reaching port the time) to start in the chemicals feeder 101 wait to begin the electrolysis of liquid, make aqueous sodium hypochlorite solution (S424) thereby produce clorox.Become more than or equal to normality, for example 5000ppm (S425) if be stored in the concentration of the clorox in the storage tanks 211, then finish the generation (S426) of clorox.The aqueous sodium hypochlorite solution of manufacturing is stored in the chemicals feeder 101 in advance.The pH value of stored aqueous sodium hypochlorite solution for example is 8～9.Preferably, after having made aqueous sodium hypochlorite solution, also make temperature control unit running and do not stop, till supplying with aqueous sodium hypochlorite solution.

For example can control the manufacturing of the aqueous sodium hypochlorite solution in the chemicals feeder 101 and the supply of aqueous sodium hypochlorite solution by water ballast Controlling System as shown in Figure 5.Fig. 5 is the functional block diagram of an example of the structure of expression water ballast Controlling System.The water ballast Controlling System of Fig. 5 possesses: measurement section 501, and it comprises densitometer on the water ballast supply lines 107 etc.; Record portion 502, the clorox concentration that its record is measured by measurement section 501; And control part 503, it is based on the concentration data of record portion 502, the increase and decrease of the injection rate of the water ballast that decides the feed rate of the clorox of supplying with from chemicals feeder 101, injects to ballast tank 103 etc., to from soup supply lines 109 to ballast tank the 103 clorox amounts of supplying with, the injection rate of water ballast etc. control.

Measurement section 501 also can constitute the structure shown in the measurement section 601 of Fig. 6.Namely, the clorox densitometer on water ballast supply lines 107, measurement section 501 can also comprise the clorox densitometer of the storage tanks 211 of one or more chemicals feeder 101, the clorox densitometer of unballast circuit, the clorox densitometer of discharge end.Measuring result in the measurement section 501 can be recorded in the record portion 502.

Record portion 502 can record the one or more data shown in the record portion 602 of Fig. 6.That is, can comprise the clorox concentration that the storage tanks measured by measurement section 601 211 is stored, the ballast time (ballast water treatment time), be contained in the ballast water yield of ballast tank 103, aeronautical data (preferably be included at least draining till time), the feed rate of aqueous sodium hypochlorite solution, the clorox concentration of the liquid in the water ballast supply lines 107 behind the supply aqueous sodium hypochlorite solution, unballast time and release carrying capacity, the clorox concentration of the water ballast after after-treatment device is handled, the feed rate of reductive agent, and the clorox concentration behind the supply reductive agent.Record portion 602 can also record the clorox concentration range that should keep in the ballast tank 103 in advance.

Control part 503 can constitute the structure shown in the control part 603 of Fig. 6.That is, control part 603 can comprise that analysis portion 611, clorox produce control part 612 and feed rate control part 613.Analysis portion 611 for example decides the feed rate of the aqueous sodium hypochlorite solution that will supply to water ballast supply lines 107, the feed rate of reductive agent and the clorox amount that will produce etc. based on record portion 602 recorded data in chemicals feeder 101.Clorox produces control part 612 for example to be come the clorox amount that produces in chemicals feeder 101 etc. is controlled based on above-mentioned decision.Feed rate control part 613 for example based on above-mentioned decision come to from chemicals feeder 101 to ballast tank 103 clorox amounts of supplying with etc. control.

In present embodiment 1-1, with by chemicals feeder 101 to killing and wounding between treatment unit 102 and the ballast tank 103, that is to say that to supply with the mode of aqueous sodium hypochlorite solution be that example is illustrated through killing and wounding liquid that treatment unit 102 handled, but the present invention is not restricted to this.For example, also can be following mode: as shown in Figure 7, soup supply lines 109 be connected ballast pump 106 and kills and wounds between the treatment unit 102, supplies with aqueous sodium hypochlorite solution to the liquid that kills and wounds before handling.In addition, also can be following mode: as shown in Figure 8, chemicals feeder 101 possesses to be connected in and kills and wounds the soup supply lines 109 between treatment unit 102 and the ballast tank 103 and be connected in ballast pump 106 and kill and wound the second soup supply lines 809 between the treatment unit 102, to kill and wound handle before and the liquid that kills and wounds after the processing supply with aqueous sodium hypochlorite solution respectively.

(embodiment 1-2)

Fig. 9 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 1-2.In Fig. 9, to the textural element additional phase identical with Fig. 1 mark together.

The ballast water treatment system of present embodiment 1-2 possesses after-treatment device 901, be used for the water ballasts in the ballast tank 103 supply to after-treatment device 901 circuit 902, be used for water ballast is carried out pumping-out line (unballast circuit) 903 and the reducer feeding device (reductive agent hold-up vessel) 904 of unballast, in addition, the structure with the ballast water treatment system of embodiment 1-1 is identical.According to the ballast water treatment system of present embodiment 1-2, owing to possess after-treatment device 901, therefore can reduce the usage quantity of reductive agent.

Circuit 902 one ends are connected with water ballast supply lines 107, and the other end is connected with after-treatment device 901, can pass through the water ballast that water ballast supply lines 107 is supplied with in the ballast tanks 103 to after-treatment device 901.

After-treatment device 901 is to carry out when discharging water ballast be used to the clorox concentration that makes water ballast to discharging below the benchmark and/or reducing the device of processing of the usage quantity of reductive agent.

Reducer feeding device 904 also made clorox concentration for discharging below the benchmark for the clorox of the water ballast that will discharge originally.Reducer feeding device 904 is connected with pumping-out line 903, can supply with reductive agent to the discharge water ballast of handling through after-treatment device 901.As reductive agent, can list Sulfothiorine, S-WAT etc.

Pumping-out line 903 also can possess devices such as clorox densitometer and microorganism checking device, this clorox densitometer is used for measuring the clorox concentration of the water ballast of discharging, the living cell count of the hydrobiont (particularly microorganism) that the water ballast that this microorganism checking device is discharged for measurement comprises.Preferably as shown in Figure 9 the clorox densitometer is configured at least near between after-treatment device 901 and the ballast pump 106 and discharge end of pumping-out line 903 (relief outlet of water ballast).

An embodiment of the processing of the water ballast the when ballast water treatment system that uses present embodiment 1-2 is discharged water ballast is described.

Driving ballast pump 106 begins to discharge water ballast from ballast tank 103.Water ballast in the ballast tank 103 supplies to after-treatment device 901 via water ballast supply lines 107 and circuit 902.The water ballast that carried out the disaggregating treatment of clorox in after-treatment device 901 supplies to via pumping-out line 903 and kills and wounds treatment unit 102 and be discharged to outboard.At this moment, also can in killing and wounding treatment unit 102, handle the hydrobiont that comprises in the water ballast of discharging.

In addition, in present embodiment 1-2, be that example is illustrated with pumping-out line 903 with killing and wounding the mode that treatment unit 102 is connected, but the present invention is not limited thereto.For example, pumping-out line 903 can be not yet with kill and wound treatment unit 102 and be connected.That is, also can be the mode of not discharging water ballast via killing and wounding treatment unit 102.

(embodiment 1-3)

Figure 10 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 1-3.In Figure 10, to the textural element additional phase identical with Fig. 1 mark together.

The ballast water treatment system of present embodiment 1-3 possesses the acid liquid storage tanks 1001 of pH value control below the pKa of clorox value for the liquid that will supply with aqueous sodium hypochlorite solution, and water ballast supply lines 107 possesses pH value meter, and the structure with the ballast water treatment system of embodiment 1-1 is identical in addition.

The ballast water treatment system of present embodiment 1-3 can be controlled the pH value of supplying with the liquid of clorox in the scope of hypochlorous kill capability the best by possessing acid liquid storage tanks 1001, carries out the supply of clorox and kill and wound processing under this state.Therefore, can improve clorox to the hydrobiological processing efficiency of killing processing.As optimal ph, be 4～6 for example, be preferably roughly 5.

(embodiment 1-4)

Figure 11 A is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 1-4.In Figure 11 A, to the textural element additional phase identical with Fig. 1 mark together.

Ballast water treatment system among the present embodiment 1-4 possesses water ballast supply lines 107, be configured in chamber (chamber) 1101 on the water ballast supply lines 107, be configured in the chemicals feeder 101 that the electricity of the relief outlet of chamber kills and wounds treatment unit 102 and is used for aqueous sodium hypochlorite solution is supplied to water ballast supply lines 107.According to the ballast water treatment system of present embodiment 1-4, the water ballast that is taken into from intake 104 temporarily can be stored in and supply to electricity in the chamber 1101 and kill and wound treatment unit 102.Therefore, can make to supply to the flow velocity almost fixed that electricity kills and wounds the water ballast for the treatment of unit 102, kill and wound number of times that treatment unit 102 (particularly fixed bed) contacts and improve and kill and wound processing efficiency thereby can increase hydrobiont and electricity in the water ballast.The ballast water treatment system of present embodiment 1-4 possesses chamber 1101, and electricity kills and wounds the relief outlet that treatment unit 102 is configured in chamber 1101, and the structure with the ballast water treatment system of embodiment 1-1 is identical in addition.

For example following such ballast water treatment system of present embodiment 1-4 that uses carries out the processing of water ballast.At first, will import in the chamber 1101 by water ballast supply lines 107 from the water ballast that intake 104 is taken into, the relief outlet by chamber 1101 supplies to electricity and kills and wounds treatment unit 102 afterwards.Kill and wound the processing that kills and wounds of carrying out electric means in the treatment unit 102 at this electricity.The water ballast that kills and wounds after the processing is directed to after the water ballast supply lines 107, supplies with aqueous sodium hypochlorite solutions from chemicals feeder 101, then, is stored in the ballast tank 103 by water ballast supply lines 107.

The diameter of chamber 1101 is preferably greater than the caliber of water ballast supply lines 107, more preferably becomes big from being taper with the connection section of water ballast supply lines 107 to the inside of chamber 1101.According to this structure, can make the flow velocity of the water ballast in the chamber 1101 further be slower than flow velocity in the water ballast supply lines 107.Therefore, can make hydrobiont in the water ballast kill and wound the number of times that treatment unit 102 contacts with electricity further increases.Preferably the relief outlet of chamber 1101 is formed on chamber 1101 bottoms.According to this structure, can kill and wound 102 pairs of water ballasts of discharging from chamber 1101 bottoms for the treatment of unit by electricity and handle.When the flow velocity in the chamber 1101 was slack-off, the hydrobiont in the water ballast was owing to the difference in specific gravity with water ballast is trapped in the bottom of chamber 1101, therefore can make hydrobiont kill and wound the number of times that treatment unit 102 contacts and further increase with electric.

Water ballast supply lines 107 also can also possess strainer (filter).Other routine summary structure iron of the structure of the ballast water treatment system among the expression present embodiment 1-4 has been shown among Figure 11 B.In Figure 11 B, to the textural element additional phase identical with Figure 11 A mark together.According to the ballast water treatment system of first mode, by possessing strainer 1102, for example can catch planktonic organism class in the water ballast that will supply to ballast tank, kill and wound hydrobiological dead bones of the body after treatment unit 102 kills and wounds processing etc. through electricity.

In Figure 11 B, show strainer 1102 is disposed at and the connection section of chemicals feeder 101 and the mode between the ballast tank 103, but the present invention is not limited thereto, and for example also can be disposed at and kill and wound between treatment unit 102 and the ballast tank 103.The quantity of strainer 1102 is not particularly limited, and both can be one, also can be more than two.Under the situation of the plural strainer of configuration, for example also can be shown in Figure 11 B like that, make water ballast supply lines 107 branches and on each branch road, respectively dispose a strainer.As strainer 1102, be not particularly limited, for example can use the aperture is the strainer of 10 μ m～200 μ m.

The part figure of the part of the ballast water treatment system of representing present embodiment 1-4 has been shown among Figure 12.The A of Figure 12 and B take out the figure of expression with the part that treatment unit 102 is connected with chemicals feeder 101 part of enclosed with dashed lines (among Figure 11 A with) of will killing and wounding in the water ballast supply lines 107, and expression will kill and wound an example of the mode of the part that treatment unit 102 is connected with chemicals feeder 101.Can be the bend that bends to crank-like like that shown in the A of Figure 12 both for example with killing and wounding the part that treatment unit 102 is connected with chemicals feeder 101, also can be to form the rake that slowly goes up a slope from killing and wounding treatment unit 102 to chemicals feeder 101 like that shown in Figure 12 B.Have at water ballast supply lines 107 under the situation of bend, preferably chemicals feeder 101 is configured near the upper end of bend shown in the A of Figure 12 like that.Have at water ballast supply lines 107 under the situation of rake, preferably chemicals feeder 101 is configured near the upper end of rake shown in Figure 12 B like that.According to these modes, for example the aqueous sodium hypochlorite solution of supplying with from chemicals feeder 101 can be supplied to and kill and wound treatment unit 102.Thus, can utilize clorox to carry out germicidal treatment to residuing in the liquid that kills and wounds treatment unit 102.The gradient of rake so long as slowly the gradient get final product, be not particularly limited, for example more than or equal to 1/200, be preferably greater than and equal 1/100 and smaller or equal to 1/50.Also can dispose valve on the rake.Thus, can control supplying to the aqueous sodium hypochlorite solution amount of killing and wounding treatment unit 102.

In present embodiment 1-4, the order that the supply of aqueous sodium hypochlorite solution and electricity kill and wound treatment unit is not particularly limited, and also can carry out supplying with aqueous sodium hypochlorite solution before the processing that electricity kills and wounds treatment unit.

(embodiment 1-5)

Figure 13 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 1-5.In Figure 13, to the textural element additional phase identical with Fig. 1 mark together.

Ballast water treatment system among the present embodiment 1-5 possesses water ballast supply lines 107, be used for aqueous sodium hypochlorite solution supply to the chemicals feeder 101 of water ballast supply lines 107, chamber 1301 and the electricity that is configured on the water ballast supply lines 107 kills and wounds treatment unit 1302, electricity kills and wounds treatment unit 1302 and is configured in the chamber 1301.Ballast water treatment system according to present embodiment 1-5, because electricity kills and wounds treatment unit 1302 and is configured in the chamber 1301, therefore the water ballast that imports from water ballast supply lines 107 can be stored in the chamber 1301 the cause electricity and kill and wound treatment unit 1302 and kill and wound processing.Thus, can make the flow velocity of water ballast be slower than flow velocity in the water ballast supply lines 107, thereby can make the hydrobiont in the water ballast kill and wound the number of times increase that treatment unit 1302 contact with electricity.The ballast water treatment system of present embodiment 1-5 will kill and wound treatment unit 1302 and be disposed in the chamber 1301, and the structure with the ballast water treatment system of embodiment 1-1 is identical in addition.

For example following such ballast water treatment system of present embodiment 1-5 that uses carries out the processing of water ballast.At first, will import in the chamber 1301 by water ballast supply lines 107 from the water ballast that intake 104 is taken into, in this chamber 1301, the hydrobiont in the water ballast is carried out the processing that kills and wounds of electric means.Preferably the electric treatment unit 1302 that kills and wounds is configured near the slow part of chamber 1301 interior flow velocitys, for example chamber 1301 bottoms.When flow velocity was slack-off, the hydrobiont in the water ballast was owing to the difference in specific gravity with water ballast is trapped in this part, therefore can make hydrobiont kill and wound the number of times that treatment unit 1302 contacts and further increase with electric.Then, the liquid of handling is directed to water ballast supply lines 107 from chamber 1301, after chemicals feeder 101 is supplied with aqueous sodium hypochlorite solution, is directed to ballast tank 103.

Preferably the relief outlet of chamber 1301 is formed on the top of chamber 1301.Thus, the hydrobiont that can further reduce in the liquid that imports to water ballast supply lines 107 is measured.Preferably the relief outlet of chamber 1301 is formed on the position lower than the introducing port of chamber 1301.In addition, preferably the diameter of the relief outlet of chamber 1301 greater than the diameter of introducing port.According to these structures, can make the flow velocity of the water ballast in the chamber 1301 further be slower than flow velocity in the water ballast supply lines 107, thereby make the hydrobiont in the water ballast kill and wound the number of times that treatment unit 1302 contacts and further increase with electric.(the relief outlet: introducing port) be not particularly limited, for example can be 1:1.2～1.5 of the diameter ratio of the diameter of relief outlet and introducing port in chamber 1301.In addition, the diameter of the circuit that preferably is connected with relief outlet 101 becomes big gradually from chamber 1301 to chemicals feeder.Thus, can suppress the rising of pressure loss.

Chamber 1301 also can also possess traverse baffle rectification elements such as (baffle).Thus, the flow velocity in the chamber 1301 is fixed.In addition, the rectification element preferred disposition is killed and wounded the top for the treatment of unit 1302 in electricity.According to this structure, the more hydrobionts in the water ballast can be accumulated in electricity and kill and wound treatment unit 1302 sides, kill and wound processing efficiency thereby can make the frequency of exposure that kills and wounds treatment unit 1302 with electricity further increase to improve.

The bottom of chamber 1301 also can be connected with the circuit (not shown) that an end is connected with outboard or pumping-out line.Can will be accumulated in chamber 1301 and/or electricity by this circuit kills and wounds retentate in the treatment unit 1302, rubbish etc. and is discharged to outboard.

In water ballast supply lines 107, to kill and wound part that treatment unit 102 is connected with chemicals feeder 101 and embodiment 1-4 similarly, both can be for having bent to the bend of crank-like, also can be for forming the rake that slowly goes up a slope from killing and wounding treatment unit 102 to chemicals feeder 101.According to these modes, for example the aqueous sodium hypochlorite solution of supplying with from chemicals feeder 101 can be supplied to and dispose the chamber 1301 that kills and wounds treatment unit 102.Thus, can utilize clorox that the liquid that residues in the chamber 1301 is carried out germicidal treatment.

In present embodiment 1-5, the supply of aqueous sodium hypochlorite solution is not specially limited in this order with the order that electricity kills and wounds the processing for the treatment of unit, also can carry out supplying with aqueous sodium hypochlorite solution before the processing that electricity kills and wounds treatment unit.

(embodiment 1-6)

Figure 14 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 1-6.In Figure 14, to the textural element additional phase identical with Figure 13 mark together.

Ballast water treatment system among the present embodiment 1-6 possesses water ballast supply lines 107, be used for aqueous sodium hypochlorite solution is supplied to the chemicals feeder 101 of water ballast supply lines, the electricity that is configured in the chamber 1301 on the water ballast supply lines 107 and is disposed in the chamber 1301 kills and wounds treatment unit 1302, chemicals feeder 101 has be used to being taken into the water intaking circuit 1410 that clorox produces the liquid of usefulness, the intake 104 that water intaking circuit 1410 is connected with the water ballast supply lines is connected, and possesses the water intaking pump 116 that is different from water ballast water intaking pump 106 (for example ballast pump).In the ballast water treatment system of present embodiment 1-6, chemicals feeder 101 has the water intaking circuit 1410 that is connected with intake (sea chest) 104, water intaking circuit 1310 possesses the water intaking pump 116 that is different from ballast pump 106, and the structure with the ballast water treatment system of embodiment 1-5 is identical in addition.

According to the ballast water treatment system of present embodiment 1-6, owing to possess the water intaking pump 116 that is different from ballast pump 106, therefore need not to drive ballast pump 106 grades and just can fetch water.Therefore, even for example also can easily carry out the water intaking of liquid and the generation of clorox at term of voyage.

[second mode]

As another way, the present invention relates to a kind of control method (below be also referred to as " control method of water ballast of the present invention ") of water ballast, this method comprises: possessing the ballast water treatment system that supplies to the chemicals feeder of above-mentioned water ballast supply lines for the water ballast supply lines that will supply to ballast tank from the liquid that intake is taken into and the aqueous sodium hypochlorite solution that will carry out germicidal treatment for the water microorganisms to aforesaid liquid, liquid the above-mentioned water ballast supply lines behind the clorox of having supplied with specified amount from above-mentioned chemicals feeder is sampled, the decay of the clorox concentration in the sample that sampling is obtained is measured, and regulates the feed rate of the clorox of supplying with from above-mentioned chemicals feeder to above-mentioned water ballast supply lines based on this take off data.

Second mode the present invention is based on following opinion: be used for clorox that water microorganisms to water ballast carries out germicidal treatment according to the liquid of handling object and the degree difference of its decay, that is the decay of the clorox influence of microorganism, organic kind and amount in the seawater that obtains that for example is subjected to fetching water.And, the present invention is based on following opinion: if the decay that the liquid that uses water intaking to obtain is measured clorox, and use this attenuation data to control the feed rate of clorox, the clorox concentration of the water ballast in the ballast tank after then can more correctly controlling water filling and finishing.

As mentioned above, owing to passed through the Ballast Management treaty and the obligated ballast water treatment plant that arranges, therefore further seek the new technology that to handle water ballast.Wherein, particularly expect the relevant new technology of control of the clorox concentration in a kind of and the water ballast, this is because need reductive agent or needs to be used for the time of placement when having superfluous clorox in the water ballast when discharging.Therefore, as second mode, the invention provides a kind of new treatment system that can control the clorox concentration of water ballast.

According to the present invention of second mode, can inject the effect that water ballast is controlled the clorox concentration of the water ballast in the ballast tank while play.In addition, according to the present invention, preferably, play the effect that to carry out the corresponding clorox concentration control of the liquid that obtains with water intaking.And, according to the present invention of second mode, play and can avoid clorox in the ballast tank superfluous and when draining, use a large amount of reductive agents or the effect of the situation of taking time to place.

Control method according to water ballast of the present invention; judge while injecting whether the target concentration range as the clorox feed rate of the benchmark water ballast after with respect to water filling that adding the liquid that obtains of water intaking at first to is superfluous or not enough; adjust the feed rate that the liquid that obtains to water intaking adds, play the effect of the control that can carry out the corresponding clorox concentration of liquid that obtains with water intaking thus.Thereby, according to the control method of water ballast of the present invention, play and to avoid clorox in the ballast tank not enough and can't to bring into play the situation of sterilization effect or clorox superfluous and need a large amount of reductive agents or the effect of the situation of placing for a long time when draining.

In second mode, " germicidal treatment of water microorganisms " comprising: to carrying out germicidal treatment as at least a portion of the liquid of handling object and/or the water microorganisms that water ballast comprises and/or the propagation of water microorganisms being suppressed.In addition, in this manual, " germicidal treatment of water microorganisms " as long as carry out germicidal treatment to water microorganisms at least, also can be with the germicidal treatment of water microorganisms to carrying out germicidal treatment greater than the biology of water microorganisms, other biology etc.Germicidal treatment as water microorganisms preferably comprises: the clorox concentration in the ballast tank is managed to satisfy the water ballast shown in the above-mentioned table 1 when discharging water ballast discharge benchmark; More preferably comprise: carry out germicidal treatment and discharge benchmark when discharging water ballast, to satisfy the water ballast shown in the above-mentioned table 1.

In second mode, " chemicals feeder " is to point to the device that liquid that water intaking obtains and/or water ballast are supplied with aqueous sodium hypochlorite solution, also can be by electrolysis produce the device of clorox mode, store the mode of the device of clorox or its aqueous solution.Chemicals feeder as using electrolysis can list the mode that possesses electrolyzer and storage tanks as described later like that.Use the chemicals feeder of electrolysis can utilize seawater to generate clorox, therefore for example need not to use the special pharmaceutical chemicalss such as sterilant that bring from outboard etc. just can carry out the germicidal treatment of water microorganisms.Both can come to supply with seawater etc. to storage tanks via pump, valve from the water ballast supply lines, and also can directly fetch water to storage tanks from outboard and supply with seawater etc.From carrying out the viewpoint of the water intaking of term of voyage easily, the preferably directly water intaking not from the water intaking of water ballast supply lines.In addition, the clorox that generates is stored in the storage tanks in the mode of the aqueous solution, supplies to the water ballast supply lines via pump, valve.Preferably chemicals feeder possesses the time meter of the concentration that can measure clorox (hereinafter referred to as " clorox densitometer " or simply be called " densitometer ".) and under meter can grasp the amount of the clorox of supplying with to the water ballast supply lines.

In addition, from the viewpoint that processing efficiency improves, preferably use the chemicals feeder of electrolysis to possess sodium chloride aqueous solution hold-up vessel and/or sodium-chlor storage tank.By possessing sodium chloride aqueous solution hold-up vessel and/or sodium-chlor storage tank, can in jar, store sodium chloride aqueous solution/sodium-chlor and as required sodium chloride aqueous solution/sodium-chlor be supplied to electrolyzer.Thus, for example, even be taken into the boats and ships of water ballast in fresh water, also can produce clorox and utilize clorox to carry out germicidal treatment.

In second mode, " aeronautical data " refers to comprise the data of the information that the meteorological condition in water quality, navigation marine site at time for sailing, the time till the draining, water intaking harbour and/or these data of obtaining with term of voyage are relevant.

In second mode, " decay of clorox " refers to following situation: the clorox concentration of having accepted the water ballast of supply of clorox from chemicals feeder reduces.One example of the extinction curve of clorox has been shown among Figure 20.The variation of the clorox concentration in the curve representation model seawater of the solid line of Figure 20.In general, when making clorox be dissolved in seawater, show rapid concentration at first and reduce (0～time of time t3).Afterwards, show roughly concentration (dx) (time t3～) stably.

Yet, the degree of the decay of clorox also be subjected to the fetching water kind of composition in microorganism in the liquid that obtains, organism and/or other water, the influence of amount.The curve of the dotted line of Figure 20 is that concentration (dy) when becoming roughly steadily in the actual seawater that is taken into is than the example of the situation of the low Δ d of model seawater.In addition, in Figure 20, the bigger situation of comparing with the model seawater in the actual seawater that is taken into of attenuation degree has been described, but has also had the attenuation degree situation littler than model seawater in the seawater that is taken into.Therefore, even only supply with clorox according to the decay (decay in the model seawater) of imagination in advance, and if the actual seawater that is taken between have concentration difference Δ d under the situation stably of reaching, then also can cause clorox concentration not enough or superfluous.

Thereby, for the clorox concentration of the water ballast of water filling when finishing of prediction or control water ballast more correctly, know that the reduction degree of the clorox in the liquid that water intaking obtains is very important.Therefore, a mode of the control method of water ballast of the present invention comprises: Yi Bian inject water ballast, measure the decay of the clorox of the water ballast that injects on one side concurrently, based on this take off data the feed rate of the clorox to above-mentioned water ballast supply lines supply from above-mentioned chemicals feeder is regulated.The adjusting of above-mentioned feed rate can comprise: based on above-mentioned attenuation measurement data, and the clorox concentration in the ballast tank in the time of when prediction water ballast water filling is finished, through the specified time and/or when discharging water ballast; Based on this prediction, decide the increase and decrease of the feed rate of the clorox of supplying with from chemicals feeder to the water ballast supply lines; And based on above-mentioned decision, control the clorox amount of supplying with to above-mentioned water ballast supply lines.

Specifically, for example can followingly based on the attenuation data of clorox the feed rate from above-mentioned chemicals feeder be regulated like that.As long as the decay of clorox of seawater of using a model can be measured in advance, therefore the information such as flow of the liquid that obtains based on these model measurement data and water intaking, just can determine the initial feed rate of the clorox amount that supply with.Then, the liquid that uses water intaking to obtain is measured decay, compares with the model measurement data of measuring in advance, for example calculates the Δ d of Figure 20.Based on these data, the degree of decay is more high, the amount of increasing supply more, and the degree of decay is more low, more reduces feed rate.By carrying out this adjustment, the clorox concentration in the ballast tank is in the target zone.

Can be by measure the decay of the clorox in the liquid that water intaking obtains with the concentration of interval measurement clorox of regulation.For example, can list that measurement obtains attenuation data in the time of t1～t6 shown in Figure 20.As measuring at interval, for example can list 20 minutes～1.5 hours, be preferably 30 minutes～1 hour.Since need with carry out attenuation measurement to the water filling of ballast tank concurrently and regulate the hypochlorous acid concentration supply with as required, therefore measuring number of times is preferably the scope that can predict extinction curve.In Figure 20 illustration measure for 6 times of t1～t6, as long as but can dope extinction curve, just can reduce the measurement number of times.

In a mode of the control method of water ballast of the present invention, the water ballast of the water ballast supply lines after chemicals feeder is supplied with clorox is sampled to carry out the attenuation measurement of clorox.Therefore, as the sampling point of the sample that carries out attenuation measurement, the preferably tie point of chemicals feeder and water ballast supply lines and the water ballast supply lines between the ballast tank.In addition, preferably utilize the attenuation measurement unit of the densitometer that possesses clorox to carry out above-mentioned sampling and attenuation measurement.In one embodiment, after water filling begins, only once sample, can obtain the attenuation data of clorox to carry out the control method of water ballast of the present invention based on this sample.In addition, in other embodiments, can repeatedly sample to obtain the attenuation data of a plurality of clorox to carry out the control method of water ballast of the present invention.Under the situation of repeatedly sampling, can use an attenuation measurement unit to come sample is measured with substituting, perhaps can use a plurality of attenuation measurements unit to come simultaneously or stagger and measure a plurality of samples that sampling obtains temporally concurrently.

As alternate manner, the present invention relates to a kind of water-filling method of water ballast, this method comprises: utilize the control method of water ballast of the present invention to control clorox concentration in the water ballast.

In addition, as alternate manner, the present invention relates to a kind of ballast water treatment system of the control method that can carry out water ballast of the present invention and the boats and ships that possess this pumping system.

That is, as alternate manner, the present invention relates to a kind of ballast water treatment system (below be also referred to as " second ballast water treatment system of the present invention "), this ballast water treatment system possesses: the water ballast supply lines, and it is connected intake with ballast tank; Chemicals feeder, it is connected with above-mentioned water ballast supply lines, and the aqueous sodium hypochlorite solution that will carry out germicidal treatment for the water microorganisms to aforesaid liquid supplies to above-mentioned water ballast supply lines; The attenuation measurement unit, it is disposed between the tie point and ballast tank of above-mentioned water ballast supply lines and above-mentioned chemicals feeder, and the liquid in the above-mentioned water ballast supply lines is sampled to measure clorox concentration; Record portion, the data that its record is measured by the attenuation measurement unit; And control part, it is controlled the clorox amount of supplying with to above-mentioned water ballast supply lines via above-mentioned tie point from chemicals feeder in the water ballast the injecting process, wherein, above-mentioned control part comprises: based on the rate of decay data of clorox, predict when the water ballast water filling is finished, the clorox concentration in the ballast tank during through the specified time and/or when discharging water ballast, decision is from the increase and decrease of the feed rate of the clorox of chemicals feeder supply, and the clorox amount that the above-mentioned water ballast supply lines of subtend is supplied with is controlled.

In the clorox concentration of the regulation that above-mentioned control part also can be also should be kept in accumulative total feed rate, aeronautical data and the ballast tank based on the accumulative total water injection rate of the water ballast of the time point before the control, clorox at least one carried out above-mentioned prediction and/or above-mentioned decision.And, also before water filling, just have water ballast in the ballast tank water sometimes.Therefore, preferably in ballast tank, possess liquid level meter etc. and can measure the gauger of capacity of water ballast and the gauger that can measure the clorox concentration in the ballast tank, carry out above-mentioned prediction and/or above-mentioned decision in these information are included in.

(embodiment 2-1)

Figure 15 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 2-1.

As shown in figure 15, the ballast water treatment system of present embodiment 2-1 comprises chemicals feeder 101 and attenuation measurement unit 112.Chemicals feeder 101 is connected with water ballast supply lines 107 with 109 via circuit 108.Circuit 108 is the circuits that supply to chemicals feeder 101 for the liquid (water ballast) that the water intaking before the interpolation aqueous sodium hypochlorite solution of water ballast supply lines 107 is obtained.Circuit 109 is for the circuit that aqueous sodium hypochlorite solution is supplied to water ballast supply lines 107 from chemicals feeder 101.In addition, also can directly be taken into liquid (seawater etc.) from the outside by circuit 110, replace to be transported to the circuit 108 of chemicals feeder 101 from the liquid that 107 water intakings of water ballast supply lines obtain.Circuit 108～110 also can possess the pump for liquor charging.In addition, preferably circuit 109 possesses clorox densitometer and under meter, and to measure to the feed rate of the clorox of water ballast supply lines 107 supplies, above-mentioned under meter is preferably the flow quantity recorder FM that can measure total flux.In addition, in Figure 15, show the mode that circuit 108～110 possesses pump respectively, but the present invention is not limited to this mode, for example also can utilizes the pump (not shown) that is built in chemicals feeder 101 to carry out the conveying of liquid to replace these pumps.In addition, circuit 109 also can be not connected with water ballast supply lines 107 and with sea chest 104 ways of connecting.

One end of water ballast supply lines 107 is connected with ballast tank 103.Usually, ballast tank 103 is the mode that comprises a plurality of ballast tank 103a～103d.Water ballast supply lines 107 is connected with the intake that is taken into water ballast (sea chest) 104, strainer 105, ballast pump 106 at the other end.In addition, between the tie point of the circuit 109 of ballast tank 103 and shared clorox and water ballast supply lines 107, dispose under meter (FM), clorox densitometer (C) and attenuation measurement unit 112.

Attenuation measurement unit 112 begins the back in the water ballast water filling samples from 111 pairs of water ballasts of circuit, along with time repeated measurement clorox concentration.As mentioned above, by measuring like this, the reduction mode of the clorox in the liquid that can obtain water intaking is analyzed, thereby can regulate the amount of the clorox supplied with from circuit 109.In addition, utilize attenuation measurement unit 112 measure decay during also can continue the water filling of water ballast concurrently and need not it is stopped, therefore also can prevent temporal loss.

Chemicals feeder 101 as using electrolysis for example can use chemicals feeder shown in Figure 16 201.Figure 16 is that expression can use electrolysis to come water microorganisms is carried out the summary structure iron of an example of structure of the device of germicidal treatment.As shown in figure 16, chemicals feeder 201 possesses storage tanks 211 and electrolyzer 212.Storage tanks 211 is connected with 214 by circuit 213 with electrolyzer 212.The liquid of storage tanks 211 is transported to electrolyzer 212 by circuit 213, carries out germicidal treatment by electrolysis treatment in electrolyzer 212.Then, will be transported to storage tanks 211 by circuit 214 through the liquid that electrolyzer 212 was handled.From generating and store the viewpoint of clorox, preferably circulate by

circuit

213 and 214 between storage tanks 211 and the electrolyzer 212.

In this chemicals feeder 201, owing to use electrolysis treatment, therefore for example need not to use the special pharmaceutical chemicalss such as sterilant that bring from outboard etc. just can carry out germicidal treatment to the water microorganisms the liquid.In electrolyzer 212, preferably carry out electrolysis treatment by the sodium-chlor that liquid is comprised and produce clorox, use the clorox that produces to come the water microorganisms in the liquid is carried out germicidal treatment.

In chemicals feeder 201, storage tanks 211 is to be untreated and/or the jar of liquid after handling for storage, storage tanks 211 and the circuit 213 that imports the liquid that carries out electrolysis be used for the discharge electrolysis after the circuit 214 of liquid be connected respectively.Storage tanks 211 can be connected with circuit 108,109 and 110.

Preferably storage tanks 211 possesses the densitometer of clorox.Thus, can manage the clorox concentration in the storage tanks 211, and can control the amount of the liquid that for example supplies to storage tanks 211, the processing that is transported to the water ballast in the chemicals feeder 201 of amount etc. and so on of liquid of electrolyzer 212 and/or water ballast supply lines 107 according to the clorox concentration in the storage tanks 211.

In addition, as the chemicals feeder 101 that uses electrolysis, in addition, can also use the chemicals feeder 201 shown in A～B of Fig. 2.

Preferably the ballast water treatment system of present embodiment 2-1 also possesses the record portion of the data that record measures by the attenuation measurement unit and the control part of in the water ballast the injecting process clorox amount of supplying with to above-mentioned water ballast supply lines via above-mentioned tie point from chemicals feeder being controlled.Above-mentioned control part can be based on the rate of decay data of clorox, predict when the water ballast water filling is finished, the clorox concentration in the ballast tank during through the specified time and/or when discharging water ballast, decision is from the increase and decrease of the feed rate of the clorox of chemicals feeder supply, thereby the clorox amount that the above-mentioned water ballast supply lines of subtend is supplied with is controlled.

The attenuation measurement unit for example can use the device of putting down in writing as Figure 21.In the attenuation measurement unit 112 of Figure 21, the sample that obtains from 107 samplings of water ballast supply lines is injected into the container 701 by circuit 111.From keeping the inhomogeneity viewpoint of the concentration in the container 701, attenuation measurement unit 112 possesses the agitator 703 of the drive-type that utilizes electric motor M.Sample in the container 701 utilizes pump P to be measured by densitometer C by circuit 702 termly.

(embodiment 2-2)

Figure 17 is the functional block diagram of the structure of the water ballast Controlling System among the expression embodiments of the present invention 2-2.Present embodiment 2-2 relates to a kind of water ballast Controlling System that can be applied to ballast water treatment system as shown in figure 15.That is, the water ballast Controlling System 170 of Figure 17 possesses: measurement section 171, and it comprises attenuation measurement unit 112; Record portion 172, it records the rate of decay data of the clorox that is measured by measurement section 171; And control part 173, its rate of decay data based on record portion 172 decide from the increase and decrease of the feed rate of the clorox of chemicals feeder 101 supplies, and the clorox amount that subtend water ballast supply lines 107 is supplied with is controlled.In addition, the water ballast Controlling System 170 of Figure 17 also can be used as structure division and is contained in the ballast water treatment system of present embodiment 2-1 shown in Figure 15.

Measurement section 171 also can constitute the structure shown in the measurement section 181 of Figure 18.That is, measurement section 181 can also comprise the clorox densitometer of the storage tanks 211 of the under meter (FM) that is configured on the water ballast supply lines 107 and clorox densitometer (C) and chemicals feeder 101 except comprising attenuation measurement unit 112.These information can be recorded in the record portion 172.

Record portion 172 can record the data shown in the record portion 182 of Figure 18.Namely, can comprise the rate of decay data that measured by measurement section 181, the flow of water ballast and the clorox concentration of clorox concentration and storage tanks, can also comprise from elapsed time of beginning to inject water ballast and aeronautical data (preferably be included at least draining till time).Record portion 182 can also record the clorox concentration range that should keep in the ballast tank in advance.

Control part 173 can constitute the structure shown in the control part 183 of Figure 18.Namely, can comprise analysis portion 1811 and feed rate control part 1812, this analysis portion 1811 is based on the clorox concentration that is recorded in data in the record portion 182 ballast tank 103 when predicting that the water ballast water filling is finished, through the specified time time and/or when discharging water ballast, this feed rate control part 1812 decides the increase and decrease of the feed rate of the clorox of supplying with from chemicals feeder 101 based on the result of analysis portion 1811, and the clorox amount that subtend water ballast supply lines 107 is supplied with is controlled.

Use Figure 19 that one example of the water-filling method of the control method of water ballast of the present invention and water ballast is described.As shown in figure 19, at first, make ballast pump 106 start (S501).Thus, begin to be taken into liquid by sea chest 104.In addition, be to use under the situation of device of electrolysis the generation (S502) of beginning clorox at chemicals feeder 101.Startup (S501) by ballast pump 106 is sent the liquid that water intaking obtains to water ballast supply lines 107, begins to ballast tank 103 water fillings (S503).By being configured in flow that under meter (FM) on the water ballast supply lines 107 and densitometer (C) measure water ballast, water filling time opening, accumulative total water injection rate, hypochlorous acid concentration etc.These information can be stored in the record portion 182.When beginning during to 107 water fillings of water ballast supply lines, by circuit 109 aqueous sodium hypochlorite solution of initial setting amount is supplied to water ballast supply lines 107 (S504) from chemicals feeder 101.Can wait to preestablish this initial setting amount based on the attenuation data of the concentration of the stored aqueous sodium hypochlorite solution of concentration range, the chemicals feeder 101 (perhaps storage tanks 211) of the clorox in the water ballast in the ballast tank 103 after the water filling and the clorox that obtains in advance.This initial setting amount can be stored in the record portion 182, also can 1812 pairs of feed rates of feed rate control part of control part 183 be controlled based on this information.In addition, from the viewpoint of draining cost, water discharge time, preferably the initial setting amount is set at the concentration of the regulation that (the time tx of Figure 20) can discharge when discharging water ballast smaller or equal to boats and ships arrive the point of destination.

Then, sample from 111 pairs of water ballasts of having supplied with clorox of circuit, come the concentration of repeated measurement clorox by attenuation measurement unit 112, obtain attenuation data (S505).Sampling can be after the water ballast water filling begins be for example carried out with interior in 0～1 hour, and the measurement of concetration of the clorox in the attenuation measurement unit 112 can carry out in for example measuring 1～10 time scope in per 30 minutes～1 hour.Attenuation data in the liquid that the water intaking that obtains like this obtains is stored in the record portion 182.In addition, in the measuring process of the attenuation data in attenuation measurement unit 112, also can proceed the water ballast water filling and do not stop.The amount whether suitably (S506) of the clorox of current supply is judged by the analysis portion 1811 Visitor Logs portions 182 of control part 183.In addition, analysis portion 1811 is Visitor Logs portion 182 at any time, judges at the time point of the extinction curve that can dope the liquid that obtains of water intaking.If the clorox excessive concentration then can become the damage of pipe arrangement (circuit), ballast tank and the reason of deterioration, in addition, when discharging, need reductive agent, storage period.On the other hand, if clorox concentration is low excessively, then the germicidal treatment of water microorganisms is insufficient.Be judged as under the situation about need proofread and correct the feed rate of clorox, 1812 pairs of amounts of supplying with from chemicals feeder 101 (perhaps storage tanks 211) of the feed rate control part of control part 183 are proofreaied and correct (S507).On the other hand, do not needing under the situation that the feed rate of clorox is proofreaied and correct, directly continuing the water filling (S508) of water ballast.Sampling and the making of attenuation data both can be for once also can be for repeatedly.In addition, the number of times that judges whether the judgement (S506) that need proofread and correct the clorox feed rate based on attenuation data also both can be for once also can be for repeatedly.Can according to required time of the water filling of water ballast, the water ballast total amount injected judge they (S509).At last, inject water ballast (S510) till becoming target capacity, the water filling of water ballast is finished.

(embodiment 2-3)

Figure 22 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 2-3.In Figure 22, to the textural element additional phase identical with Figure 15 mark together.

In present embodiment 2-3, chemicals feeder 801 is connected with second intake 804 that is different from the intake 104 that water ballast supply lines 107 is connected.Namely, the chemicals feeder 801 of present embodiment 2-3 is not connected with the circuit that can be taken into the liquid that obtains from intake (sea chest) 104 water intaking that is taken into water ballast, and be connected with second intake 804 via circuit 810, the ballast water treatment system structure with embodiment 2-1 is identical in addition.Like this, according to the ballast water treatment system among the present embodiment 2-3, in chemicals feeder 801, do not use the liquid (adding the liquid that aqueous sodium hypochlorite solution water intaking before obtains) that obtains from intake (sea chest) 104 water intakings that are taken into water ballast, and use the liquid that obtains from 804 water intakings of second intake to produce clorox, therefore compare with the intake 104 that is taken into water ballast, for example can and be taken into liquid easily with low electric power.Therefore, can come to produce clorox at term of voyage by chemicals feeder 801 by being taken into the liquid for generation of clorox from the outside at term of voyage, for example can reduce the consumption electric power when water ballast is stored into ballast tank 103.In addition, term of voyage becomes easily to the supply of the aqueous sodium hypochlorite solution of ballast tank 103, can suppress the propagation again of the water microorganisms in the ballast tank 103.Circuit 810 for example also can possess for delivering to the pump 806 of chemicals feeder 801 from the liquid that second intake 804 is taken into.In addition, circuit 810 also can possess the strainer 805 for the protection of chemicals feeder 801.

[Third Way]

Therefore, as Third Way, the present invention relates to a kind of ballast water treatment system (below be also referred to as " the 3rd ballast water treatment system of the present invention "), this ballast water treatment system possesses: the water ballast supply lines, and it is connected intake with ballast tank; And chemicals feeder, it is connected with above-mentioned water ballast supply lines, the aqueous sodium hypochlorite solution that will carry out germicidal treatment for the water microorganisms to the liquid that is taken into from above-mentioned intake supplies to above-mentioned water ballast supply lines, wherein, above-mentioned chemicals feeder is connected with second intake that is different from the intake that above-mentioned water ballast supply lines is connected, and the liquid that is taken into from above-mentioned second intake is carried out electrolysis produce clorox.

The 3rd ballast water treatment system of the present invention is based on following opinion: can be by carry out the water intaking the chemicals feeder from the intake that is different from the intake (sea chest) that is taken into water ballast, and come easily and produce clorox with low electric power.In addition, the 3rd ballast water treatment system of the present invention is based on following opinion: in boats and ships, when the lay day that reaches port, there is the loading and unloading operation of the water intaking of water ballast and discharge, goods, can use maximum electric power, therefore by the generation with clorox of being taken into of the liquid that carries out at term of voyage using in the generation of clorox, the peak value that consumes electric power is disperseed, reduce to be loaded into the generator capacity of boats and ships.

According to the 3rd ballast water treatment system of the present invention, for example, chemicals feeder is connected with second intake that is different from the intake that the water ballast supply lines is connected, and therefore plays the effect that can be taken into the liquid that uses in the generation of clorox easily.Thereby, according to the 3rd ballast water treatment system of the present invention, therefore need not to drive sea chest and just can fetch water, for example play the effect that also can be taken into the liquid that uses in the generation of clorox easily, can also carry out this water intaking with low electric power at term of voyage.

In Third Way, " second intake that is different from the intake that the water ballast supply lines connects " refer to for being taken into intake (for example sea chest) in addition the intake of liquid to be stored in ballast tank, for example can list existing intake for tap water etc. etc. on the boats and ships.

The 3rd ballast water treatment system of the present invention also can possess the control part that the clorox amount of supplying with from chemicals feeder to the water ballast supply lines is controlled.Preferably the control part in the Third Way is controlled from the water intaking of the liquid of second intake and the generation of clorox based on the clorox concentration in the clorox amount in the chemicals feeder and/or the ballast tank.

As another way, the present invention relates to a kind for the treatment of process of water ballast, it is the method for in boats and ships, water ballast being handled, these boats and ships possess water ballast supply lines and chemicals feeder, this water ballast supply lines is connected intake with ballast tank, this chemicals feeder is connected with above-mentioned water ballast supply lines, supply with the aqueous sodium hypochlorite solution that is used for the water microorganisms of the liquid that is taken into from above-mentioned intake is carried out germicidal treatment to above-mentioned water ballast supply lines, this method comprises: in above-mentioned chemicals feeder, the liquid that is taken into from second intake that is different from the intake that above-mentioned water ballast supply lines connects is carried out electrolysis produce clorox; And supply with above-mentioned clorox from above-mentioned chemicals feeder to above-mentioned water ballast supply lines.

Preferably carry out electrolysis treatment in the chemicals feeder at term of voyage.Thus, the consumption electric power in the time of can reducing to ballast tank injection water ballast.In addition, store by producing clorox at term of voyage, can begin just to supply with clorox from the water ballast water filling, therefore can prevent temporal loss.

As another way, the present invention relates to a kind of manufacture method, it is the method that is used for the water microorganisms of water ballast is carried out the clorox of germicidal treatment of in boats and ships, making, these boats and ships possess water ballast supply lines and chemicals feeder, this water ballast supply lines is connected intake with ballast tank, this chemicals feeder is connected with above-mentioned water ballast supply lines, supply with the aqueous sodium hypochlorite solution that is used for the water microorganisms of the liquid that is taken into from above-mentioned intake is carried out germicidal treatment to above-mentioned water ballast supply lines, this method comprises: in above-mentioned chemicals feeder, the liquid that is taken into from second intake that is different from the intake that above-mentioned water ballast supply lines connects is carried out electrolysis produce clorox.Manufacturing method according to the invention, for example, chemicals feeder can be taken into the liquid that uses the generation of clorox easily from second intake that is different from the intake that the water ballast supply lines connects, and therefore plays the effect that can produce clorox easily.

Preferably the electrolysis of aforesaid liquid is carried out at term of voyage.Thus, the consumption electric power in the time of can reducing the water ballast water filling.

(embodiment 3-1)

Figure 23 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 3-1.In Figure 23, to the textural element additional phase isolabeling identical with Figure 15.

The circuit 111 that the ballast water treatment system of present embodiment 3-1 does not possess attenuation measurement unit 112 and is used for sampling from water ballast supply lines 107 attenuation measurement unit 112, the ballast water treatment system structure with embodiment 2-3 is identical in addition.

One example for the treatment of process of the water ballast of the ballast water treatment system that uses present embodiment 3-1 is described.

At term of voyage, before being taken into water ballast and/or be taken into the liquid that the generation of clorox uses by circuit 810 from outboard from second intake 804 when being taken into water ballast, produce clorox by electrolysis.According to the ballast water treatment system of present embodiment 3-1, the circuit 810 that is taken into the liquid that uses in the generation of clorox is connected with second intake 804 that is different from water ballast intake 104, and therefore need not to drive ballast pump 106 just can be taken into liquid.In addition, in boats and ships, the lay day that reaches port when storing water ballast etc., there is the loading and unloading operation of goods, can use maximum electric power, therefore from making the peak value that consumes electric power disperse to reduce the viewpoint of generator capacity, preferably carry out being taken into of the liquid that uses in the generation of clorox at term of voyage and deal with people with the generation of clorox and to store earlier.

In order to be taken into water ballast, ballast pump 106 is started.Thus, begin to be taken into liquid by sea chest 104, begin by water ballast supply lines 107 to ballast tank 103 water fillings.When beginning to 107 water fillings of water ballast supply lines, the aqueous sodium hypochlorite solution that is stored in the chemicals feeder 801 is fed into water ballast supply lines 107 by circuit 109.According to the ballast water treatment system of present embodiment 3-1, can be stored in and be taken into the clorox that produces in advance before the water ballast, therefore can in ballast tank 103 water fillings, aqueous sodium hypochlorite solution be supplied to water ballast supply lines 107 in beginning.

Can wait to be predetermined the feed rate of aqueous sodium hypochlorite solution based on the concentration of the stored aqueous sodium hypochlorite solution of amount, the chemicals feeder 801 (perhaps storage tanks 211) of the water ballast that injects to ballast tank 103.In addition, also can in control part (not shown), control the feed rate of aqueous sodium hypochlorite solution based on the observed value that is configured under meter (FM) on the water ballast supply lines 107 and clorox densitometer (C).

[cubic formula]

As cubic formula, the present invention relates to a kind of ballast water treatment system, this ballast water treatment system possesses: the water ballast supply lines, it is connected intake with ballast tank; Kill and wound treatment unit, it is configured on the above-mentioned water ballast supply lines, is used for the hydrobiont of the liquid that is taken into from above-mentioned intake is killed and wounded processing; And chemicals feeder, it is connected with above-mentioned water ballast supply lines, to supply to above-mentioned water ballast supply lines for the aqueous sodium hypochlorite solution of the hydrobiont of the liquid that is taken into from above-mentioned intake being killed processing, wherein, from by electrolytic processing apparatus, centrifugal equipment for separating liquid from solid and utilize hydraulic pressure to produce the group that device that shockwave handles constitutes and select the above-mentioned treatment unit that kills and wounds.According to the ballast water treatment system of cubic formula, utilize the above-mentioned treatment unit that kills and wounds to kill and wound processing and utilize clorox to kill and wound processing, therefore can carry out the processing of water ballast efficiently.In the ballast water treatment system of cubic formula, chemicals feeder, electrolytic processing apparatus and water ballast supply lines etc. are identical with above-mentioned first mode～Third Way.

In the ballast water treatment system of cubic formula, preferably chemicals feeder is connected with ballast pump.Thus, can when being taken into water ballast, be taken into the liquid for the manufacture of aqueous sodium hypochlorite solution, thereby can improve processing efficiency.

(embodiment 4-1)

Figure 24 is the summary structure iron of the structure of the ballast water treatment system among the expression embodiments of the present invention 4-1.In Figure 24, to the textural element additional phase identical with Fig. 1 mark together.

In the ballast water treatment system of present embodiment 4-1, chemicals feeder 101 is connected with ballast pump 106 via circuit 110, and killing and wounding treatment unit is electrolytic processing apparatus 202, and the ballast water treatment system structure with embodiment 1-1 is identical in addition.From suppressing the viewpoint that unnecessary air imports to ballast tank 103, soup supply lines 109 also can possess the degassing vessel (not shown) of the gas that comprises for the removal aqueous sodium hypochlorite solution.

One example for the treatment of process of the water ballast of the ballast water treatment system that uses present embodiment 4-1 is described.

At the lay day that reaches port, ballast pump 106 is started.Begin to be taken into liquid by sea chest 104 thus, begin by water ballast supply lines 107 to ballast tank 103 water fillings.At this moment, be taken into the liquid that in the generation of clorox uses by circuit 110 to chemicals feeder 101 with the water intaking of water ballast, produce clorox by electrolysis.According to the ballast water treatment system of present embodiment 4-1, the circuit 110 that is taken into the liquid that uses in the generation of clorox is connected with ballast pump 106, therefore can be taken into the liquid that uses in the generation of clorox when being taken into water ballast.Need not to drive ballast pump 106 pump in addition and just can be taken into the liquid that uses in the generation of clorox.

Then, in electrolytic processing apparatus 2020, the liquid that is taken into by sea chest 104 is killed and wounded processing.Kill and wound liquid after the processing after the aqueous sodium hypochlorite solution that is generated by chemicals feeder 101 is supplied with by soup supply lines 109, supply to ballast tank 103 by water ballast supply lines 107.Like this, by utilizing electrolysis treatment to kill and wound processing and utilizing clorox to kill processing, can efficiently ballast water treatment be discharged the level of benchmark to satisfying water ballast.In addition, because ballast tank 103 stored water ballasts comprise clorox, therefore also keep killing effect at term of voyage, thereby can suppress hydrobiological propagation.

In addition, in embodiment 4-1, be that example is illustrated in soup supply lines 109 mode of supplying with aqueous sodium hypochlorite solution with the liquid after kill and wound processing through electrolytic processing apparatus 202 that is connected with water ballast supply lines 107, but be not limited thereto.For example, both can be in the mode of utilizing electrolytic processing apparatus 202 to supply with aqueous sodium hypochlorite solution before handling soup supply lines 109 be connected with water ballast supply lines 107, also can be to utilize electrolytic processing apparatus 202 with mode that this two side afterwards supplies with aqueous sodium hypochlorite solution soup supply lines 109 to be connected with water ballast supply lines 107 before handling.

Utilizability on the industry

Useful in the processing of the water ballast of the present invention in boats and ships.

In addition, in addition, the present invention can relate to following any.

＜1〉a kind of control method of water ballast comprises:

Possessing the ballast water treatment system that supplies to the chemicals feeder of above-mentioned water ballast supply lines for the water ballast supply lines that will supply to ballast tank from the liquid that intake is taken into and the aqueous sodium hypochlorite solution that will carry out germicidal treatment for the water microorganisms to aforesaid liquid

Liquid the above-mentioned water ballast supply lines behind the clorox of supplying with specified amount from above-mentioned chemicals feeder is sampled, the decay of the clorox concentration in the sample that sampling is obtained is measured, and regulates the feed rate of the clorox of supplying with from above-mentioned chemicals feeder to above-mentioned water ballast supply lines based on this take off data;

＜2〉control method of basis＜1〉described water ballast,

The adjusting of above-mentioned feed rate comprises: the clorox concentration in the ballast tank in the time of when the attenuation measurement data of the clorox in the liquid that obtains based on water intaking predict that the water ballast water filling is finished, through the specified time and/or when discharging water ballast; Decide the increase and decrease of the feed rate of the clorox of supplying with from chemicals feeder to the water ballast supply lines based on this prediction; And control the clorox amount of supplying with to above-mentioned water ballast supply lines based on above-mentioned decision;

＜3〉according to＜1〉or＜2〉described water ballast control method,

Above-mentioned sampling and attenuation measurement are that the attenuation measurement unit by the densitometer that possesses clorox carries out;

＜4〉a kind of water-filling method of water ballast comprises:

By＜1〉to＜3 in each described control method control;

＜5〉a kind of ballast water treatment system possesses:

The water ballast supply lines, it is connected intake with ballast tank;

Chemicals feeder, it is connected with above-mentioned water ballast supply lines, and the aqueous sodium hypochlorite solution that will carry out germicidal treatment for the water microorganisms to the liquid that is taken into from above-mentioned intake supplies to above-mentioned water ballast supply lines;

The attenuation measurement unit, it is disposed between the tie point and ballast tank of above-mentioned water ballast supply lines and above-mentioned chemicals feeder, and the liquid in the above-mentioned water ballast supply lines is sampled to measure clorox concentration;

Record portion, the data that its record is measured by the attenuation measurement unit; And

Control part, it is controlled the clorox amount of supplying with to above-mentioned water ballast supply lines via above-mentioned tie point from chemicals feeder in the water ballast the injecting process,

Wherein, above-mentioned control part comprises: the clorox concentration in the ballast tank when predicting that based on the rate of decay data of clorox the water ballast water filling is finished, when the specified time and/or when discharging water ballast, decision is from the increase and decrease of the feed rate of the clorox of chemicals feeder supply, and the clorox amount that the above-mentioned water ballast supply lines of subtend is supplied with is controlled;

＜6〉according to＜5〉described ballast water treatment system,

In the clorox concentration of the regulation that above-mentioned control part also should be kept in accumulative total feed rate, aeronautical data and the ballast tank based on accumulative total water injection rate, the clorox of the water ballast of the time point before the control at least one carried out above-mentioned prediction and/or above-mentioned decision;

＜7〉according to＜5〉or＜6〉described ballast water treatment system,

Above-mentioned chemicals feeder is connected with second intake that is different from the intake that above-mentioned water ballast supply lines is connected, and uses the liquid that is taken into from above-mentioned second intake to produce clorox;

＜8〉a kind of boats and ships, possess＜5 to＜7 in each described ballast water treatment system.

Claims

1. ballast water treatment system possesses:

The water ballast supply lines, it is connected intake with ballast tank;

Kill and wound treatment unit, it is configured on the above-mentioned water ballast supply lines, is used for electric or mechanical system the hydrobiont of the liquid that is taken into from above-mentioned intake being killed and wounded processing; And

Chemicals feeder, it is connected with above-mentioned water ballast supply lines, supplies with aqueous sodium hypochlorite solution to above-mentioned water ballast supply lines, and this aqueous sodium hypochlorite solution is used for the hydrobiont of the liquid that is taken into from above-mentioned intake is killed processing,

Wherein, above-mentioned chemicals feeder is connected with second intake that is different from the intake that above-mentioned water ballast supply lines is connected, and the liquid that is taken into from above-mentioned second intake is carried out electrolysis produce clorox.

2. ballast water treatment system according to claim 1 is characterized in that,

The above-mentioned treatment unit that kills and wounds is electrolytic processing apparatus or centrifugal equipment for separating liquid from solid.

3. ballast water treatment system according to claim 2 is characterized in that,

Above-mentioned electrolytic processing apparatus possesses the fixed-bed type electrode electrolyser.

4. according to claim 2 or 3 described ballast water treatment systems, it is characterized in that,

Above-mentioned electrolytic processing apparatus is cross-flow mode or dead end mode.

5. according to each the described ballast water treatment system in the claim 1～4, it is characterized in that,

Above-mentioned chemicals feeder is connected intake and above-mentioned the killing and wounding between the treatment unit that above-mentioned water ballast supply lines connects at above-mentioned water ballast supply lines, and/or be connected above-mentioned killing and wounding between treatment unit and the above-mentioned ballast tank.

6. according to each the described ballast water treatment system in the claim 1～5, it is characterized in that,

Also possess after-treatment device, this after-treatment device carries out disaggregating treatment for the clorox to water ballast when discharging water ballast.

7. according to each the described ballast water treatment system in the claim 1～6, it is characterized in that,

Also possess acid liquid storage tanks, this acidity liquid storage tanks is controlled below hypochlorous pKa value for the pH value of the liquid that will supply with aqueous sodium hypochlorite solution.

8. ballast water processing comprises:

With electric or mechanical system the hydrobiont the liquid that is taken into from intake is killed and wounded processing;

Supply with aqueous sodium hypochlorite solution to the liquid that is taken into from intake; And

To carry out the above-mentioned fluid storage handling and supplied with behind the above-mentioned aqueous sodium hypochlorite solution of killing and wounding in ballast tank,

This method also comprises: the liquid for the manufacture of clorox that comprises the liquid that is taken into from second intake that is different from above-mentioned intake is at least carried out electrolysis, make above-mentioned aqueous sodium hypochlorite solution.

9. ballast water processing according to claim 8 is characterized in that,

The supply of above-mentioned aqueous sodium hypochlorite solution is killing and wounding before the processing and/or carry out afterwards in above-mentioned electric or mechanical system.

10. according to Claim 8 or 9 described ballast water processings, it is characterized in that,

The manufacturing of above-mentioned aqueous sodium hypochlorite solution is to carry out at term of voyage.

11. a ballast water treatment system possesses:

The water ballast supply lines, it is connected intake with ballast tank; And

Chemicals feeder, it is connected with above-mentioned water ballast supply lines, supplies with aqueous sodium hypochlorite solution to above-mentioned water ballast supply lines, and this aqueous sodium hypochlorite solution is used for the water microorganisms of the liquid that is taken into from above-mentioned intake is carried out germicidal treatment,

12. ballast water treatment system according to claim 11 is characterized in that,

Possesses the control part that the clorox amount of supplying with to above-mentioned water ballast supply lines from above-mentioned chemicals feeder is controlled, above-mentioned control part comprises: based on the clorox concentration in the clorox amount in the above-mentioned chemicals feeder and/or the above-mentioned ballast tank, next liquid from above-mentioned second intake is taken into the generation of clorox controlled.

13. the treatment process of a water ballast, it is the method for in boats and ships, water ballast being handled, these boats and ships possess water ballast supply lines and chemicals feeder, this water ballast supply lines is connected intake with ballast tank, this chemicals feeder is connected with above-mentioned water ballast supply lines, supply with the aqueous sodium hypochlorite solution that is used for the water microorganisms of the liquid that is taken into from above-mentioned intake is carried out germicidal treatment to above-mentioned water ballast supply lines, this method comprises:

In above-mentioned chemicals feeder, the liquid that is taken into from second intake that is different from the intake that above-mentioned water ballast supply lines connects is carried out electrolysis produce clorox; And

Supply with above-mentioned clorox from above-mentioned chemicals feeder to above-mentioned water ballast supply lines.

14. the treatment process of water ballast according to claim 13 is characterized in that,

Carry out electrolysis treatment in the above-mentioned chemicals feeder at term of voyage.

15. manufacture method, it is the method that is used for the water microorganisms of water ballast is carried out the clorox of germicidal treatment of in boats and ships, making, these boats and ships possess water ballast supply lines and chemicals feeder, this water ballast supply lines is connected intake with ballast tank, this chemicals feeder is connected with above-mentioned water ballast supply lines, supply with the aqueous sodium hypochlorite solution that is used for the water microorganisms of the liquid that is taken into from above-mentioned intake is carried out germicidal treatment to above-mentioned water ballast supply lines, this method comprises:

In above-mentioned chemicals feeder, the liquid that is taken into from second intake that is different from the intake that above-mentioned water ballast supply lines connects is carried out electrolysis produce clorox.