WO2005077833A1 - 液体の無害化処理方法及びその装置 - Google Patents
液体の無害化処理方法及びその装置 Download PDFInfo
- Publication number
- WO2005077833A1 WO2005077833A1 PCT/JP2005/002515 JP2005002515W WO2005077833A1 WO 2005077833 A1 WO2005077833 A1 WO 2005077833A1 JP 2005002515 W JP2005002515 W JP 2005002515W WO 2005077833 A1 WO2005077833 A1 WO 2005077833A1
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- WO
- WIPO (PCT)
- Prior art keywords
- seawater
- treatment
- liquid
- microorganisms
- detoxification
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
- B63J4/002—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating ballast water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
- C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Definitions
- the present invention is mainly used for removing microorganisms in untreated seawater to make clean treated seawater and storing it in a ballast water tank, or for treating untreated seawater contained in a ballast water tank during voyage. Applied to ballast water treatment performed when converting seawater or untreated seawater from a ballast water tank into clean treated seawater and draining it.
- the present invention relates to a method and apparatus for detoxifying a liquid for removing microorganisms and converting the liquid into a clean processing liquid.
- ballast water When navigating a tanker or other vessel without oil, the seawater stored in the ballast water tank, that is, ballast water, is in untreated seawater to avoid marine pollution and pollution; Detoxification treatment has been applied to remove water and make clean treated seawater.
- a high-voltage pulse is applied to ballast water in a ballast water tank, and a high-voltage pulse is applied directly to harmful microorganisms to discharge inside the ballast water.
- a shock wave caused by arc discharge between the electrodes to kill or sterilize the harmful microorganisms, or indirectly kill or sterilize the harmful microorganisms by a shock wave caused by arc discharge between the electrodes.
- a slit plate having a plurality of elongated slits is attached in the cross-sectional direction in the middle of the flow path in the sove, and the untreated liquid is passed through the slits. The microorganisms in the untreated liquid are damaged and killed or sterilized.
- JP 2003-200156 A large microorganisms are killed by passing untreated liquid through a slit; X is sterilizable, but small bacteria are killed. Or it is difficult to sterilize.
- the present invention has been made in view of the problems of the related art, and has a reduced facility cost and operating cost, and can eliminate or reduce microorganisms of any size without reducing the strength of a processing liquid container such as a hull. It is a first object of the present invention to provide a method and an apparatus for detoxifying a liquid that can surely perform sterilization.
- a second object of the present invention is to reduce equipment costs and operating costs and to reliably kill or sterilize microorganisms of any size without causing a decrease in strength on the hull side.
- the installation space for the detoxification equipment for ballast water has been reduced, and the mounting space for cargo etc. can be increased. It is an object of the present invention to provide a seawater detoxifying apparatus capable of minimizing the remodeling cost of a hull for installing the detoxifying apparatus. Disclosure of the invention
- the present invention provides a method for detoxifying a liquid, which removes microorganisms in an untreated liquid and converts the microorganism into a purified treatment liquid, wherein the liquid is damaged, and the microorganisms in the liquid are damaged.
- Mechanical treatment for killing or disinfecting the liquid, and chlorine-containing substance is generated from the liquid and injected into the liquid to chlorinate or kill the microorganisms, or a substance having an oxidizing effect is added to the liquid.
- One of the oxidizing substance addition treatments is performed, and the treatment liquid is stored in the treatment liquid tank.
- all or a part of the liquid is introduced into a storage tank, and the liquid is circulated in a circulation path between the storage tank and an electrolytic cell that electrolyzes the liquid to generate a chlorine-containing substance. It is performed by the electrolytic cell circulation system.
- the present invention also provides a liquid detoxification apparatus configured to remove microorganisms in an untreated liquid including untreated seawater and convert the microorganism into a clean treatment liquid, as an apparatus for performing the method.
- a mechanical treatment device for applying a mechanical treatment to the liquid to damage or kill microorganisms in the liquid; an oxidizing substance adding means for adding a substance having an oxidizing action to the liquid; or chlorine from the liquid.
- a liquid detoxification processing apparatus characterized by having a processing liquid tank that stores the processing liquid after processing by the processing means.
- the chlorination means includes a storage tank for storing all or the liquid of the liquid and an electrolytic tank for electrolyzing the liquid to generate a chlorine-containing substance.
- a liquid electrolysis apparatus configured to apply a treatment to the liquid by an electrolytic tank circulation method of circulating a circulation path between the liquid electrolyte and the liquid electrolyte.
- the microorganism is mainly zooplankton and its cyst, Poisonous, pathogenic, or disrupting ecosystems, such as phytoplankton and its cysts, bacteria, fungi, and viruses.
- the detoxification treatment is to kill, disinfect or remove these microorganisms that mainly cause marine pollution, cause damage to humans and fish and shellfish, and destroy ecosystems.
- the chlorine-containing substance is preferably composed of chlorine, hypochlorous acid, chlorous acid, chloric acid, or an ion or salt thereof, with hypochlorous acid being most preferred.
- the substance having an oxidizing action also includes an oxidizing agent such as hydrogen peroxide and ozone.
- an oxidizing agent such as hydrogen peroxide and ozone.
- the chlorine-containing substance may be externally added as a chemical.
- the mechanical treatment is such that a slit plate having a large number of small holes having a diameter of about 0.5 mm is provided in the liquid flow path so that the liquid passes through the small holes.
- such mechanical treatment damages and kills or kills a wide range of microorganisms, including relatively large microorganisms having crustaceans, and the liquid contains chlorine, Inject or inject chloric acid, chlorous acid, chloric acid or chlorine-containing substances composed of these ions and salts, etc.
- microorganisms of any size can be obtained.
- the mechanical treatment by combining the mechanical treatment with the addition of a chlorinating or oxidizing substance, the load of the mechanical treatment is reduced and the pressure loss is reduced, The power required for mechanical treatment can be reduced and the equipment can be made smaller and smaller in capacity.
- chlorination it is only necessary to kill or kill bacteria with a high killing and disinfecting effect.
- the injection amount of chlorine-containing substances such as chlorous acid, chlorous acid, and chloric acid can be reduced.
- the hypochlorous acid when the most suitable hypochlorous acid among the chlorine-containing substances is used, the hypochlorous acid is injected by combining with a mechanical treatment for killing or disinfecting a relatively large and wide range of microorganisms. The amount required is only the amount necessary for removing bacteria, and the injection amount of the hypochlorous acid is smaller than that in the case of removing microorganisms and removing bacteria with the hypochlorous acid as in the prior art. Can be reduced.
- the treatment by the electrolytic cell circulation method using the liquid electrolysis apparatus is performed as follows.
- the treatment by the electrolytic cell circulation method is performed either before or after the mechanical treatment.
- the treatment liquid by the electrolytic cell circulation method is extracted from the middle of the circulation path and injected into the liquid either before or after the mechanical treatment.
- the chlorine-containing substance, particularly hypochlorous acid, contained in the treatment liquid circulating in the circulation path is fed into the electrolytic cell, so that the ⁇ ⁇ of the electrolytic cell supply liquid is reduced by the hypochlorous acid.
- the adhesion of scale in the electrolytic cell can be prevented.
- the treatment liquid such as seawater after the mechanical treatment and the chlorination treatment is subjected to one or both of a treatment with activated carbon and a treatment with a metal catalyst.
- the treated seawater that has been subjected to the mechanical treatment and the chlorination treatment is subjected to one or both of treatment with activated carbon and treatment with a metal catalyst.
- metal catalyst examples include Mn, Tc, Re, VIIA group elements, Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt, and the like.
- Group VIII elements Metals or compounds containing one or more are preferred.
- H C 1 ⁇ remaining after the chlorination is reduced by the metal catalyst, whereby the treatment liquid after the chlorination can be rendered harmless.
- the treatment liquid after the mechanical treatment and the chlorination treatment is subjected to a treatment with activated carbon and a treatment to remove a carcinogenic substance which is likely to be generated in the treatment liquid with a metal catalyst
- the treatment liquid is subjected to the chlorination treatment.
- Activated carbon can be used to remove carcinogenic substances from the treated liquid, and the residual HC 1 ⁇ after chlorination can be reduced and rendered harmless by using a metal catalyst, and the harmlessness and purification of the treated liquid can be improved.
- the present invention provides a method for detoxifying a liquid, which removes microorganisms in an untreated liquid and converts the liquid into a clean treatment liquid, wherein the liquid is compared with the liquid by a filtration method or a centrifugal separation method.
- the present invention provides a method of detoxifying seawater for removing microorganisms in seawater and converting it into clean treated seawater, wherein a relatively large amount of the liquid is removed by a filtration method or a centrifugation method in which the seawater is passed through a filter or the like.
- a microorganism separation treatment for removing the microorganisms a chlorine treatment for producing a chlorine-containing substance from the seawater and injecting the same into the seawater to kill or sterilize the microorganisms, or an acid for adding a substance having an oxidizing effect to the seawater.
- the method is characterized in that any one of the treatments of adding a dani substance is performed and the treated seawater is stored in a ballast water tank.
- the present invention also provides a liquid detoxification apparatus configured to remove microorganisms in an untreated liquid including untreated seawater and convert the microorganism into a clean treatment liquid, as an apparatus for performing the method.
- a microbial separator for removing the relatively large microorganisms in the liquid by a filtration method or a centrifugal method in which the liquid is passed through a filter or the like; and a chlorine-containing substance generated from the liquid to produce a chlorine-containing substance in the liquid.
- chlorination means for injecting a chlorine treatment to kill or sterilize the microorganism and oxidizing substance addition means for adding a substance having an oxidizing effect to the liquid; and the mechanical treatment device and the chlorination treatment.
- Means Proposes a liquid detoxification treatment apparatus characterized in that a treatment liquid tank for accommodating a treatment liquid after treatment by an oxidizing substance addition means is provided.
- a treatment liquid tank for accommodating a treatment liquid after treatment by an oxidizing substance addition means.
- the microorganism separation treatment by the filtration method or the centrifugal separation method and the treatment of adding a substance having an oxidizing effect to the treated liquid after the treatment to kill or sterilize the microorganisms are performed.
- the function of treating microorganisms is improved.
- the filter mesh as the optimum mesh for removing microorganisms, a relatively large and wide range of microorganisms can be reliably captured and removed, and post-capture processing can be easily performed by backwashing or the like.
- a mechanical treatment for damaging and killing or sterilizing the microorganisms in the liquid is performed by a mechanical treatment device either in the pre-process or in the post-IT stage of the microorganism separation treatment.
- the treatment function of the microorganisms can be improved and the load of the chlorination treatment can be reduced.
- the present invention also relates to a method for detoxifying seawater for removing microorganisms from seawater and converting the treated seawater into clean treated seawater, comprising: a machine for damaging or killing or killing the microorganisms in the seawater.
- a chlorination treatment for producing a chlorine-containing substance from the seawater and injecting it into the seawater to kill or sterilize the microorganisms
- an oxidizing substance addition treatment for adding a substance having an oxidizing effect to the seawater.
- the treated seawater is stored in a ballast water tank.
- the substance having an oxidizing effect in the oxidizing substance addition treatment includes an oxidizing agent such as hydrogen peroxide and ozone in addition to the chlorine-containing substance.
- the chlorination is performed by introducing all or a part of the seawater into a storage tank, and converting the seawater into the storage tank and an electrolytic cell that electrolyzes the liquid to generate a chlorine-containing substance. It is performed by an electrolytic cell circulation system in which a circulation circuit is circulated.
- the seawater is subjected to the mechanical treatment, and the whole or part of the treated seawater conveyed to the ballast water tank is subjected to the chlorination, and the chlorine-containing substance generated by the chlorination is subjected to the chlorination. It is preferable to inject into the seawater either before or after the mechanical treatment.
- a machine that kills or sterilizes microorganisms over a relatively large area due to turbulence generated by passing seawater through the many holes of a slit plate having many holes.
- Treatment with oxidizing substances or chlorination which injects chlorine-containing substances into seawater to kill or disinfect bacteria, provides Microorganisms can be surely killed or killed, and by combining mechanical treatment with seawater and chlorination, the pressure loss of mechanical treatment can be reduced and the load can be reduced.
- hypochlorous acid When hypochlorous acid is used among the chlorine-containing substances in the chlorination, the injection amount of the hypochlorous acid can be reduced by combining with a mechanical treatment for killing or sterilizing a relatively large and wide range of microorganisms. Only the amount necessary to remove small-sized bacteria is required. Compared to the case of removing microorganisms and removing bacteria with the hypochlorous acid, the hypochlorite during the treatment with harmless seawater is used. The injection amount of acid can be reduced.
- the treatment by the electrolytic cell circulation method is preferably performed as follows. '
- the treatment by the electrolytic cell circulation method is performed either before or after the mechanical treatment.
- the chlorine-containing substance, particularly hypophosphorous acid, contained in the treated seawater circulating in the circulation path between the storage tank for the treated seawater and the digestion tank is fed into the electrolytic tank.
- the amount of seawater supplied to the electrolytic cell with hypochlorous acid scale adhesion to the electrolytic cell can be prevented.
- the seawater chlorination power source is powered by natural energy such as a solar battery or wind power.
- the present invention also provides a detoxification treatment of seawater for removing microorganisms in water contained in a ballast water tank and converting the seawater into clean treated seawater: ⁇ method, wherein the microorganisms in the seawater are added to the seawater.
- Mechanical treatment for damaging and killing or disinfecting the seawater; chlorine treatment for producing a chlorine-containing substance from the seawater and injecting it into the seawater to kill or disinfect the microbes or oxidizing the seawater
- the substance is characterized by performing either one of the oxidizing substance addition processing and discharging the treated seawater out of the ballast water.
- the pre-mechanical treatment and the chlorination treatment or the oxidizing substance addition treatment are performed in the ballast water tank. This makes it possible to discharge completely detoxified ballast water into the sea.
- the present invention also provides a detoxification treatment of seawater for removing microorganisms in water contained in a ballast water tank and converting the seawater into clean treated seawater: ⁇ method, wherein the microorganisms in the seawater are added to the seawater.
- Mechanical treatment to damage or kill or disinfect the seawater
- chlorine treatment to generate chlorine-containing substances from the seawater and inject into the seawater to kill or sterilize the microbes;
- the ballast water tank is ringed after performing either one of the oxidizing substance addition treatments for adding a substance having a ligh effect. According to this invention, even during the navigation of the ship, the treated seawater in the nolast water tank is subjected to the mechanical treatment and the chlorination treatment or the oxidizing substance addition treatment in combination with the treatment.
- a residual chlorine meter for measuring a residual chlorine amount of the treated liquid after the chlorination treatment is provided, and the chlorination unit measures a residual chlorine amount measured by the residual chlorine meter.
- the amount of chlorine-containing substance generated in the chlorination is controlled based on the chlorination.
- the electrolytic current value in chlorination can be controlled based on the measured value of the residual chlorine amount (chlorine concentration) in the processing liquid, and the chlorine-containing substance in the processing liquid can be controlled.
- the injection amount of (particularly, hypochlorous acid) can be accurately controlled to a target value, and the required sterilization treatment can be performed while minimizing the processing cost of the chlorine-containing substance.
- the present invention by combining a mechanical treatment for killing or disinfecting a relatively large and wide range of microorganisms with a chlorination treatment for killing or disinfecting small-sized bacteria or an addition treatment of a substance having an oxidizing effect, The killing or killing of microorganisms of any size can be assured.
- the load of the mechanical treatment can be reduced, the pressure loss can be reduced, and the power required for the mechanical treatment can be reduced.
- the injection amount of chlorine-containing substances such as chlorine, hypochlorous acid, chlorite, and chloric acid can be reduced. Can be reduced.
- the mechanical treatment and the chlorination or acid treatment are performed in the ballast water tank.
- the ballast water completely harmless can be discharged into the sea by performing the addition of the dangling substance.
- the ballast water can be detoxified even while the ship is navigating. Detoxification at the time of ballast water drainage You can save time.
- hypochlorous acid which is the most suitable, is used.
- the injection amount of the hypochlorous acid is only required to remove the bacteria, and the amount of the hypochlorous acid is smaller than when the hypochlorous acid is used to remove the microorganisms and the bacteria. The injection amount can be reduced.
- hypochlorous acid As a result, the corrosion of the downstream equipment due to the remaining hypochlorous acid can be suppressed, the durability of the equipment can be improved, and marine pollution due to hypochlorous acid can be suppressed.
- the present invention also provides a detoxification apparatus for seawater that removes microorganisms from seawater and converts the seawater into clean treated seawater.
- Dani equipment a ballast water tank mounted on a ship, a seawater carry-in path for taking in the seawater and transferring it to the land-based detoxification facility, and a seawater treated by the land-based detoxification facility.
- the land-based detoxification facility is a chlorination means for producing a chlorine-containing substance from the seawater, injecting the substance into the seawater, and killing or sterilizing the microorganisms.
- a chlorination means for producing a chlorine-containing substance from the seawater, injecting the substance into the seawater, and killing or sterilizing the microorganisms.
- one of the remaining treatment means is mounted on the ship, and either the chlorination means or the oxidizing substance addition means constituting the on-site detoxification facility, or the microorganisms in the seawater are damaged.
- Seawater treated by a mechanical treatment device for subjecting the seawater to mechanical treatment for killing or disinfecting the seawater is introduced into one of the remaining treatment means in the ship through the seawater discharge channel. It is configured to be processed by a mechanical processing device and to be stored in the above-mentioned parast water tank.
- the land-based detoxification facility generates a chlorine-containing substance from the seawater and injects it into the seawater to kill or sterilize the microorganisms.
- a microorganism separation treatment means for removing the microorganisms having a relatively large size, wherein either the chlorination treatment means or the oxidizing substance addition means and the treated seawater treated by the microorganism separation treatment means pass through the seawater discharge passage. Then, it is configured to be accommodated in the ballast water tank.
- a microorganism separation treatment means for removing the relatively large microorganisms in the seawater by centrifugation is installed on land, and the detoxification treatment for killing or sterilizing microorganisms in untreated seawater in the onshore detoxification facility.
- the treated seawater is stored in the ballast water tank through a seawater discharge path that connects the on-site detoxification facility and a ballast water tank mounted on a ship, so that the chlorination means or the oxidizing substance adding means is used.
- seawater detoxification equipment such as mechanical treatment equipment and microbial separation treatment means inside the hull, and installation of seawater detoxification equipment on ships And it is possible to reduce the pace, it becomes possible to increase the mounting space, such as cargo.
- either one of the chlorination means or oxidizing substance addition means or terrestrial detoxification equipment such as mechanical treatment equipment and microorganism separation treatment means installed on land and the ballast water tank on the ship side are connected to the seawater discharge channel.
- the number of detoxification processing equipment for a single ship Asari can be reduced, and equipment costs can be reduced.
- one of the chlorination means and the oxidizing substance addition means or detoxification equipment such as mechanical treatment equipment and biological separation treatment equipment will be installed as onshore equipment, so that existing ships will be installed in the hull. It is not necessary to newly install the detoxifying apparatus, and the remodeling of the hull is minimized, so that the cost of installing the hull for installing the detoxifying apparatus can be minimized. And in this invention, it is better to specifically configure as follows.
- the shore-based harmless dangling equipment is provided with a chlorinating means for generating a chlorine-containing substance from seawater, injecting the same into the seawater, and killing or sterilizing the microorganisms in the seawater.
- a chlorinating means for generating a chlorine-containing substance from seawater, injecting the same into the seawater, and killing or sterilizing the microorganisms in the seawater.
- the treated seawater detoxified by either the chlorination means or the oxidizing substance addition means and the mechanical treatment device which is installed on land as a land-based detoxification facility, It can be stored in the ballast water tank through a seawater discharge channel that connects the installation detoxification facility and the ballast water tank in the ship.
- the shore-installed harmless dangling equipment is provided with a chlorinating means for producing a chlorine-containing substance from seawater, injecting into the seawater and killing or sterilizing the microorganisms, and performing chlorination treatment on the seawater or the seawater.
- One or both of microbial separation means for removing the relatively large microorganisms in the seawater by a filtration method or a centrifugal separation method in which the microorganisms pass through a filter or the like is mounted on the ship.
- the treated seawater that has been detoxified by either the chlorination means or the oxidizing substance addition means, which is installed on land as a land-installed detoxification facility, is combined with the land-installed detoxification facility and the ship.
- a seawater carrying-out path connecting the ballast water tank inside the vessel it is introduced into the mechanical treatment device mounted on the hull or the microorganism separation treatment means, and the treated seawater detoxified by the mechanical treatment device is balassed. Can be stored in the water tank.
- a hull-side seawater carry-in path is provided in the hull of the ship and opens into the sea and connected to the mechanical treatment device.
- the mechanical processing device or micro-processing device mounted on the ship can be used. Simultaneous detoxification of seawater treated by either chlorination means or oxidizing substance addition means in land-based detoxification facilities, and seawater inlet passages that open into the sea by biological separation means. And stored in a ballast water tank. Thus, a large amount of seawater can be harmlessly treated by a mechanical treatment device or a microorganism separation treatment means having a simple structure.
- the microorganisms mainly disturb toxic or pathogenic substances or ecosystems, such as zooplankton and its cysts, phytoplankton and its cysts, bacteria, fungi, and viruses. Things.
- the detoxification treatment is to kill, disinfect or remove these microorganisms that mainly cause marine pollution, cause damage to humans and fish and shellfish, and destroy the ecosystem.
- the chlorine-containing substance is preferably composed of chlorine, hypochlorous acid, chlorous acid, chloric acid, or an ion or salt thereof, with hypochlorous acid being most preferred.
- the substance having an oxidizing action includes an oxidizing agent such as hydrogen peroxide and ozone in addition to the chlorine-containing substance.
- the chlorine-containing substance may be externally added as a chemical.
- the mechanical processing device is provided with a slit plate in which a number of small holes having an inner diameter of about 0.5 mm are provided in a liquid flow path.
- a wide range of microorganisms including relatively large microorganisms having a crust, are damaged and killed or sterilized by passing seawater through the pores.
- a chlorine-containing substance composed of chlorine, hypochlorous acid, chlorous acid, chloric acid, or ionic salt thereof is injected into seawater, and in the oxidizing substance adding means, The addition of a substance having an acid effect to seawater kills or kills small bacteria.
- a relatively large and wide range of microorganisms can be killed or sterilized by a mechanical treatment device or a microorganism separation treatment device, and small-sized bacteria can be killed by a chlorination treatment device or an oxidizing substance addition device. Or sterilization combined in a single liquid treatment system to ensure the killing or sterilization of microorganisms of any size. I can do it.
- the mechanical treatment or the microorganism-separation treatment means with the chlorination treatment or the addition treatment of a substance having an oxidizing effect, the load on the mechanical treatment device is reduced, and the pressure loss is reduced.
- the required power of the treatment equipment can be reduced, and the equipment can be made smaller and smaller in capacity.
- Fluthermore in chlorination, it is only necessary to kill or kill bacteria with a high killing and sterilizing effect.
- the injection amount of chlorine-containing substances such as chloric acid, chlorous acid and chloric acid can be reduced.
- the amount of hypochlorous acid to be injected is combined with a mechanical treatment for killing or sterilizing a relatively large and wide range of microorganisms. Requires only the amount necessary to remove bacteria, and reduces the amount of hypochlorous acid to be injected as compared to the case of removing microorganisms and removing bacteria with hypochlorous acid as in the prior art. it can.
- the present invention is characterized in that the detoxification facility installed on land is mounted on a transportation device such as a vehicle so as to be freely movable on land.
- the onshore detoxification facility can be freely brought close to the ship, and the seawater detoxified by the onshore detoxification facility can be stored in the ballast water tank in the ship, and the seawater transfer line Can be minimized.
- the power of the seawater transport pump can be reduced, and the cost of detoxifying seawater can be reduced.
- the harmless shore-installed facilities mounted on the transport device can be freely moved. Harmless treatment of ballast water to each ship can be performed, and the harmless treatment of ballast water can be efficiently performed in a short time.
- the present invention provides the detoxification processing apparatus for seawater, wherein the detoxification equipment installed on the sea is a floating installation on the sea, which kills or sterilizes microorganisms in the seawater.
- Detoxification treatment is performed, and the treated seawater is stored in a ballast water tank in the ship through the seawater discharge channel.
- the marine-installed detoxification facility is a chlorinating means for producing a chlorine-containing substance from the seawater, injecting the chlorinated substance into the seawater, and killing or sterilizing the microorganisms.
- a chlorinating means for producing a chlorine-containing substance from the seawater, injecting the chlorinated substance into the seawater, and killing or sterilizing the microorganisms.
- Separation processing means and configured to accommodate the treated seawater treated by either the chlorination treatment means or the oxidizing substance addition means and the microorganism separation treatment means in the ballast water tank through the seawater discharge passage.
- the marine-installed detoxifying facility may be a chlorinating means for producing a chlorine-containing substance from the seawater, injecting the substance into the seawater, and killing or sterilizing the microorganisms to the seawater.
- Microbial separation for removing the relatively large microorganisms in the seawater by any one of oxidizing substance adding means for adding a substance having an oxidizing effect to the seawater, or a filtration method or a centrifugation method in which the seawater is passed through a filter or the like.
- a chlorination treatment means or an oxidizing substance which constitutes the marine-based detoxification facility by introducing the treated seawater in the marine-based detoxification facility into the remaining one of the processing means in the ship through the seawater carrying-out path.
- Type configured to accommodate the ballast Bokusui tank is subjected to processing by the remaining one of the processing means.
- any one of the chlorination means or the oxidizing substance addition means, the mechanical treatment apparatus, or the ⁇ organism rescue separation treatment means is provided as a detoxification facility at sea movably suspended on the sea. Floating on the sea, in the offshore detoxification facility Performs detoxification treatment to kill or sterilize microorganisms in untreated seawater, and treats the treated seawater to the ballast through a seawater discharge channel that connects the detoxification equipment installed on the sea to ballast water tanks mounted on ships.
- the harmless treatment equipment for seawater such as the chlorination means or the oxidizing substance addition means, the mechanical treatment apparatus or the microorganism separation treatment means can be floated on the sea as the marine installation detoxification equipment, There is no need to install it inside a ship. As a result, it is possible to reduce the installation space of the seawater detoxification treatment device on the ship, and it is possible to increase the mounting space for cargo and the like.
- any one of chlorination means or oxidizing substance addition means movably suspended on the sea detoxification equipment installed on the sea such as mechanical treatment equipment or microorganism separation treatment means, and ballast water tanks on the ship side
- detoxification equipment installed on the sea such as mechanical treatment equipment or microorganism separation treatment means
- ballast water tanks on the ship side By changing the seawater discharge route for each ship, one (one set) of detoxification equipment at sea can detoxify the ballast water tanks of multiple vessels, making it harmless at sea
- the operating rate of the detoxification equipment can be increased, and the number of detoxification equipment installed per ship can be reduced, thereby reducing equipment costs.
- the offshore detoxification equipment that is movably suspended above the sea can be freely placed in close proximity to the ship. Seawater detoxified by the detoxification equipment installed on the sea can be stored in the ballast water tank in the vessel, making it extremely easy and short-term for any vessel anchored offshore or offshore. Detoxification of ballast water.
- detoxification equipment such as chlorination means or acid substance addition means or mechanical treatment equipment or microorganism separation treatment means shall be installed separately from the ship as offshore detoxification equipment. Therefore, it is not necessary to install the detoxification processing device in the existing ship even for an existing ship, and the remodeling inside the ship is minimized, and the ship for installing the detoxification processing device is not required. Internal installation costs can be minimized. In the invention to be described, it is preferable to specifically configure as follows.
- the sea-based detoxification facility is provided with a chlorination step or a seawater treatment method for producing a chlorine-containing substance from the seawater, injecting the seawater into the seawater, and killing or sterilizing the microorganisms in the seawater.
- a chlorination step or a seawater treatment method for producing a chlorine-containing substance from the seawater, injecting the seawater into the seawater, and killing or sterilizing the microorganisms in the seawater.
- a mechanical treatment apparatus for applying a mechanical treatment to the seawater to damage and kill or sterilize the microorganisms in the seawater, or a filtration method or a centrifugation method in which the seawater is passed through a filter or the like. It is constituted by one or both of microorganism separation treatment means for removing the relatively large microorganisms in seawater.
- either the chlorination means or the oxidizing substance addition means of the detoxification equipment installed on the sea floating on the sea and the treated seawater treated by the mechanical treatment apparatus or the microorganism separation treatment means can be used. It can be easily accommodated in a ballast water tank in a ship through the seawater carrying-out path.
- the sea-based detoxification facility is provided with a chlorination means for producing a chlorine-containing substance from the seawater, injecting the same into the seawater, and killing or sterilizing the microorganisms in the chlorination treatment or the seawater.
- a chlorination means for producing a chlorine-containing substance from the seawater, injecting the same into the seawater, and killing or sterilizing the microorganisms in the chlorination treatment or the seawater.
- microorganism separation treatment means for removing the relatively large microorganisms in the seawater by filtration or centrifugation.
- the seawater treated in the marine detoxification facility is introduced into another mechanical treatment device or microorganism separation treatment means in the ship through the seawater discharge channel, and the chlorine constituting the marine detoxification facility is provided.
- Either the treatment means or the oxidizing substance addition means and the seawater treated by the mechanical treatment device are introduced into the other mechanical treatment device in the ship through the seawater discharge passage, and the other mechanical treatment device is provided. And can be stored in the above-mentioned palladium water tank.
- the hull of the vessel is provided with a hull-side seawater carry-in path that opens into the sea and is connected to the other mechanical treatment device.
- seawater treated by either the chlorination means or the oxidizing substance addition means in the offshore detoxification equipment and the seawater can be opened by other mechanical treatment equipment mounted on the ship.
- Seawater introduced through the hull-side seawater carrying channel can be simultaneously treated harmlessly and stored in the ballast water tank.
- a large amount of seawater can be harmlessly treated by a mechanical treatment device having a simple structure.
- the chlorination unit stores all or a part of the seawater.
- An electrolytic tank circulation method for circulating the seawater in a circulation path between the storage tank and the electrolytic tank comprising: a storage tank for performing the electrolysis of the seawater to generate a chlorine-containing substance. It is preferable that the liquid electrolysis apparatus is configured to be applied to the liquid, and the treatment by the liquid electrolysis apparatus is performed as follows.
- the treatment by the electrolytic cell circulation method is performed in either a pre-process or a post-process of the mechanical process.
- the treatment liquid by the electrolytic cell circulation method is extracted from the middle of the circulation path and injected into the liquid either before or after the mechanical treatment.
- the chlorine-containing substance, particularly hypochlorous acid, contained in the treatment liquid circulating in the circulation path is fed into the electrolytic cell, and the pH of the electrolytic cell supply liquid is lowered by the hypochlorous acid. Thereby, adhesion of scale in the electrolytic cell can be prevented.
- one of the chlorination means and the oxidizing substance addition means or the mechanical treatment device is installed on land as a land-based detoxification facility, and the untreated seawater is made harmless in the land-based detoxification facility.
- the treated seawater is stored in the ballast water tank of the ship from the onshore detoxification facility through the seawater discharge route, so that the seawater such as the chlorination means or the oxidizing substance addition means and the mechanical treatment device is used.
- There is no need to install detoxification equipment inside the hull and the installation space for the detoxification equipment for seawater on the ship can be reduced, and the space for loading cargo and the like can be increased.
- harmless treatment equipment such as one of chlorination means or oxidizing substance addition means or mechanical treatment equipment will be installed as land equipment, so that existing ships can be made harmless within the hull. It is not necessary to install a new processing apparatus, and the remodeling inside the hull is minimized, and the cost of installing the hull for installing the detoxification processing apparatus can be minimized.
- the detoxification facility installed on land is mounted on a transportation device such as a vehicle.
- the detoxification facility can be freely moved close to the ship, and the detoxified seawater can be stored in the ballast water tank in the ship.
- the length of the line can be minimized.
- the power of the seawater transport pump can be reduced, and the cost of detoxifying seawater can be reduced.
- the detoxification equipment installed on the shore which is mounted on the transport equipment, can be freely moved to each ship.
- the detoxification treatment of the ballast water can be performed, and the detoxification treatment of the ballast water can be efficiently performed in a short time.
- detoxification of untreated seawater is performed in the marine detoxification facility in which either one of the chlorination means or the oxidizing substance addition means or the mechanical treatment device is floated on the sea. Since the treated seawater is stored in the ballast water tank in the ship through the seawater discharge channel, the detoxification treatment facility for detoxifying the seawater can be floated on the sea as a detoxification facility at sea, and such detoxification treatment can be performed. There is no need to install equipment inside the hull. This can reduce the installation space for the detoxification equipment for seawater on ships and increase the space for loading cargo and the like.
- the seawater detoxification equipment floating on the sea and the ballast water tank on the ship's side are connected to each ship by the seawater discharge route, so that one (one set) of the harmless sea installation Detoxification of ballast water tanks of multiple ships by using the detoxification equipment, increasing the operation rate of detoxification equipment installed at sea and reducing the number of harmless effluent treatment equipment installed per ship Therefore, the cost of the apparatus can be reduced.
- the offshore detoxification equipment that is movably suspended above the sea can be freely placed in close proximity to the ship. Seawater detoxified by the detoxification equipment installed on the sea can be stored in the ballast water tank in the vessel, making it extremely easy and short-term for any vessel anchored offshore or offshore. Detoxification of ballast water.
- FIG. 1 is a block diagram showing a method for detoxifying ballast water for ships according to a first embodiment of the present invention.
- FIG. 2 is a diagram corresponding to FIG. 1 showing the second embodiment.
- FIG. 3 is a diagram corresponding to FIG. 1 showing a third embodiment.
- FIG. 4 is a diagram corresponding to FIG. 1 showing the fourth embodiment.
- FIG. 5 is a diagram corresponding to FIG. 1 showing the fifth embodiment.
- FIG. 6 is a diagram corresponding to FIG. 1 showing the sixth embodiment.
- FIG. 7 is a diagram corresponding to FIG. 1 showing the seventh embodiment.
- FIG. 8 is a diagram corresponding to FIG. 1 showing the eighth embodiment.
- FIG. 9 is a diagram corresponding to FIG. 1 showing the ninth embodiment.
- FIG. 10 is a block diagram corresponding to FIG. 10 showing the tenth embodiment.
- FIG. 11 is a diagram corresponding to FIG. 1 showing the eleventh embodiment.
- FIG. 12 is a diagram corresponding to FIG. 1 showing the 12th embodiment.
- FIG. 13 is a diagram corresponding to FIG. 1 showing the thirteenth embodiment.
- FIG. 14 is a diagram corresponding to FIG. 1 showing the 14th embodiment.
- FIG. 15 is a block diagram corresponding to FIG. 1 showing the 15th embodiment.
- FIG. 16 is a block diagram corresponding to FIG. 1 showing the 16th embodiment.
- FIG. 17 is a block diagram corresponding to FIG. 1 showing the 17th embodiment.
- FIG. 18 is a diagram corresponding to FIG. 1 showing the 18th embodiment.
- FIG. 19 is a block diagram corresponding to FIG. 1 showing the 19th embodiment.
- FIG. 20 is a block diagram corresponding to FIG. 1 showing the 20th embodiment.
- FIG. 21 is a diagram corresponding to FIG. 1 showing the 21st embodiment.
- FIG. 22 is a diagram corresponding to FIG. 1 showing the 22nd embodiment.
- FIG. 23 is a diagram corresponding to FIG. 1 showing the 23rd embodiment.
- FIG. 24 is a block diagram corresponding to FIG. 1 to show the 24th embodiment.
- FIG. 25 is a block diagram corresponding to FIG. 1 to show the 25th embodiment.
- FIG. 26 is a diagram corresponding to FIG. 1 showing the 26th embodiment.
- FIG. 27 is a diagram corresponding to FIG. 1 showing the 27th embodiment.
- FIG. 28 is a diagram corresponding to FIG. 1 showing the 28th embodiment.
- FIG. 29 is a block diagram corresponding to FIG. 1 showing the 29th embodiment.
- FIG. 30 is a block diagram corresponding to FIG. 1 showing the 30th embodiment.
- FIG. 31 is a diagram corresponding to FIG. 1 showing the 31st embodiment.
- FIG. 32 is a diagram corresponding to FIG. 1 showing the 32nd embodiment.
- FIG. 33 is a block diagram corresponding to FIG. 1 showing the 33rd embodiment.
- FIG. 34 is a diagram corresponding to FIG. 1 showing the 34th embodiment.
- FIG. 35 is a diagram corresponding to FIG. 1 showing the 35th embodiment.
- FIG. 36 is a diagram corresponding to FIG. 1 showing the 36th embodiment.
- FIG. 37 is a block diagram corresponding to FIG. 1 showing the 37th embodiment.
- FIG. 38 is a block diagram corresponding to FIG. 1 to show the 38th embodiment.
- FIG. 39 is a diagram corresponding to FIG. 1 showing the 39th embodiment.
- FIG. 40 is a block diagram corresponding to FIG. 1 showing the 40th embodiment.
- FIG. 41 is a diagram corresponding to FIG. 1 showing the 41st embodiment.
- FIG. 42 is a diagram corresponding to FIG. 1 showing the 42nd embodiment.
- FIG. 43 is a block diagram corresponding to FIG. 1 to show the 43rd embodiment.
- FIG. 44 is a diagram corresponding to FIG. 1 showing the 44th embodiment.
- FIG. 45 is a diagram corresponding to FIG. 1 showing the 45th embodiment.
- FIG. 46 is a block diagram corresponding to FIG. 1 to show the 46th embodiment.
- FIG. 47 is a block diagram corresponding to FIG. 1 to show the 47th embodiment.
- FIG. 48 is a system diagram (No. 1) showing main processing in each of the above embodiments.
- FIG. 49 is a system diagram (No. 2) showing main processing in each of the above embodiments.
- FIG. 50 is a block diagram showing a detoxification apparatus for ship ballast water according to a forty-eighth embodiment of the present invention.
- FIG. 51 is a block diagram corresponding to FIG. 50 showing the 49th embodiment.
- FIG. 52 is a diagram corresponding to FIG. 50 showing the 50th embodiment.
- FIG. 53 is a diagram corresponding to FIG. 50 showing the 51st embodiment.
- FIG. 54 is a diagram corresponding to FIG. 50 showing the 52th embodiment.
- FIG. 55 is a block diagram corresponding to FIG. 50 showing the 53rd embodiment.
- FIG. 56 is a block diagram corresponding to FIG. 50 showing the 54th embodiment.
- FIG. 57 is a diagram corresponding to FIG. 50 showing the 55th embodiment.
- FIG. 58 is a diagram corresponding to FIG. 1 showing the 56th embodiment.
- FIG. 59 is a configuration diagram of a microorganism separation treatment means. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a method for detoxifying ballast water for ships according to a first embodiment of the present invention.
- 2 to 47 are diagrams corresponding to FIG. 1 showing the second to 47th embodiments.
- FIGS. 48 and 49 are system diagrams (Part 1) and (Part 2) showing the main processing of each of the above embodiments.
- 1 is a screen for filtering untreated seawater to capture foreign substances such as dust
- 2 is a pump for conveying seawater to a treatment line 6.
- Reference numeral 3 denotes a mechanical treatment device that damages and kills or sterilizes microorganisms in seawater that has passed through the above-described screen 2.
- the mechanical treatment device 3 is provided with a perforated plate having a number of small holes perforated in a seawater flow path, and the seawater is generated by turbulence generated when the seawater passes through the plurality of small holes.
- a perforated plate treatment device configured to damage and kill or sterilize microorganisms is preferred, but it is not limited to a powerful perforated plate treatment device, and can damage and kill microorganisms in seawater. What is necessary is just to have the function of destroying or sterilizing.
- a seawater electrolyzer that performs electrolysis (electrolysis) on seawater that has passed through the mechanical treatment device, electrolyzes the seawater, and removes sodium hypochlorite (hereinafter, hypochlorous acid) from the seawater. ).
- the hypochlorous acid generated in the seawater electrolysis apparatus 4 is injected into the treatment line 6. 5 is the processing that has been performed
- a ballast water tank that stores seawater.
- the untreated seawater is conveyed through the treatment line 6 by the pump 2 and introduced into the mechanical treatment device 3 after foreign substances such as dust are captured and removed by the screen 1.
- the mechanical treatment device 3 when passing the seawater through many small holes, the microorganisms in the seawater are damaged and killed or sterilized.
- the whole or a part of the seawater subjected to the mechanical treatment in the mechanical treatment device 3 is sent to the seawater electrolysis device 4 via the extraction line 8.
- the seawater electrolysis apparatus 4 the seawater is electrolyzed to generate hypochlorous acid.
- the hypochlorous acid is injected into the processing line 6 upstream of the mechanical processing device 3 through an injection line 9 shown by a solid line in the figure, or through an injection line 10 shown by a broken line in the figure. Then, it is injected into the processing line 6 downstream of the mechanical processing device 3.
- the injection of the hypochlorous acid kills or kills microorganisms remaining in the seawater.
- the seawater kills or sterilizes the microorganisms in the seawater in the mechanical treatment device 3, and the hypochlorous acid extracted from the seawater in the seawater electrolysis device 4 is poured into the seawater to remove the microorganism. By killing or disinfecting the remaining microorganisms, they will be completely detoxified and stored in the ballast water tank.
- the microorganism is mainly zooplankton and its cysts, phytoplankton and its cysts, bacteria, fungi, viruses, and other poisonous or pathogenic substances or disrupts the ecosystem. Things.
- the detoxification treatment of seawater is mainly to kill, disinfect or remove these microorganisms that cause marine pollution, cause damage to humans and fish and shellfish, and destroy ecosystems.
- hypochlorous acid used in the embodiment is most preferable, but chlorine, chlorous acid, chloric acid, or ions or salts thereof can be used.
- the substance having an oxidizing action also includes an oxidizing agent such as hydrogen peroxide and ozone in addition to the chlorine-containing substance.
- an oxidizing agent such as hydrogen peroxide and ozone in addition to the chlorine-containing substance.
- the chlorine-containing substance can be added as a chemical from the outside.
- a mechanical treatment device provided with a perforated plate having a large number of small holes is used to kill or kill a relatively large and wide range of microorganisms by turbulence generated through seawater in the small holes of the device 3.
- the mechanical treatment for disinfection and the chlorination treatment for injecting hypochlorous acid generated in the seawater electrolysis device 4 into seawater to kill or disinfect bacteria microorganisms of all sizes in seawater It is possible to surely kill or sterilize the water, and by combining the mechanical treatment of seawater and the chlorination, the pressure loss of the mechanical treatment device 3 can be reduced, and the load can be reduced.
- the required power of the mechanical treatment device 3 during the seawater detoxification treatment can be reduced, the device can be reduced in size and capacity, and the seawater of hypochlorous acid generated in the seawater electrolysis device 4 can be further reduced.
- the amount of hypochlorous acid to be injected can be reduced because it is only necessary to kill or sterilize bacteria having a high treatment effect.
- hypochlorous acid generated in the seawater electrolysis device 4
- a relatively large and wide range of microorganisms is killed using the mechanical treatment device 3.
- the hypochlorous acid needs to be injected only in an amount necessary for removing bacteria, and the hypochlorous acid can be used for removing microorganisms and removing bacteria.
- the injection amount of the hypochlorous acid at the time of the seawater detoxification treatment can be reduced as compared with the case of performing the treatment.
- hypochlorous acid is remarkably reduced, so that the corrosion of the downstream equipment due to the hypochlorous acid during the detoxification of seawater can be suppressed, and the durability of the equipment can be improved and the hypochlorous acid can be improved. Marine pollution caused by dumping chloric acid into the sea can be suppressed.
- a mechanical treatment for killing or disinfecting a relatively large and wide range of microorganisms using a mechanical treatment device 3 and the seawater Hypochlorous acid generated in electrolyzer 4 is injected into seawater in treatment line 6 and the amount of residual chlorine in treated seawater after chlorination to kill or sterilize bacteria (chlorine concentration)
- the residual chlorine meter 11 for measuring the residual chlorine is provided, and the measured value of the residual chlorine amount by the residual chlorine meter 11 is input to the seawater electrolysis apparatus 4.
- the residual chlorine meter 11 measures the residual chlorine amount (chlorine concentration) of the treated seawater after the mechanical treatment and the chlorination treatment, and measures the residual chlorine amount.
- the value is input to the seawater electrolysis device 4, and the seawater electrolysis device 4 controls the electrolysis current value of the seawater electrolysis device 4 based on the measured value of the residual chlorine amount to generate the following value generated by the seawater electrolysis device 4. Controls the amount of chlorite generated.
- the electrolytic current value in the seawater electrolysis apparatus 4 based on the measured value of the residual chlorine amount (chlorine concentration) of the treated seawater, thereby controlling the amount of hypochlorous acid generated.
- the amount of hypochlorous acid injected into seawater can be accurately controlled to a target value, and the required sterilization treatment can be performed while minimizing the processing cost of the hypochlorous acid.
- seawater contained in the ballast water tank 5 in addition to the mechanical treatment and the chlorination treatment in the first embodiment (or without these treatments), seawater contained in the ballast water tank 5 is used.
- the water is circulated through the seawater electrolyzer 4 through circulation circuits 13 and 14, and the bacteria in the seawater are killed by using the hypochlorous acid generated in the seawater electrolyzer 4 in the seawater electrolyzer 4. Or it has been chlorinated for sterilization.
- the seawater electrolysis apparatus 4 uses natural energy such as a solar cell or a wind power generator 12 as a power supply.
- the seawater electrolysis apparatus 4 is configured in the following electrolytic cell circulation system.
- reference numeral 43 denotes a storage tank
- reference numeral 44 denotes a pump
- reference numeral 41 denotes an electrolytic cell
- reference numeral 2 denotes a power supply device for the electrolytic cell 41
- seawater for chlorination is extracted through an extraction line 8. It is introduced into the storage tank 43.
- a circulation path 47 is formed from the storage tank 43 to the pump 44 and the electrolytic bath 41 to return to the storage tank 43, and the seawater in the storage tank 43 is pumped.
- the circulation path 47 is circulated by 44, hypochlorous acid is generated from the seawater in the electrolytic cell 41, and the hypochlorous acid is injected into the injection line 9 (or The processing line 6 (see FIG. 1) is injected through the injection line 10) shown in FIG.
- Reference numerals 45 and 46 denote on-off valves.
- hypochlorous acid is injected through an injection line 9 upstream of the mechanical processing device 3 in the processing line 6 or through an injection line 10. It is injected into the processing line 6 downstream of the mechanical processing device 3.
- the chlorination by the electrolytic cell circulation method is performed in either the pre-process or the post-process of the mechanical treatment by the mechanical treatment device 3 to generate the hypochlorous acid, and the hypochlorous acid is used.
- Bacteria in seawater may be killed or sterilized.
- the hypochlorous acid contained in the treated seawater circulating in the circulation path 47 between the treated seawater storage tank 43 and the electrolytic tank 41 is sent to the electrolytic tank 41. Therefore, by lowering the pH of seawater supplied to the electrolytic cell 41 with the hypochlorous acid, it is possible to prevent the scale from adhering to the electrolytic cell 41.
- a filter 20 is provided in a processing line 6 instead of the mechanical processing device 3 in the above embodiment.
- 21 is a backwash line for the filter 20;
- 22 is an on-off valve for opening and closing the backwash line 21;
- hypochlorous acid generated from the seawater in the seawater electrolyzer 4 is injected into the injection line 9 (or the upstream side or the downstream side of the filter 20 of the treatment line 6). It is injected via the injection line 10) to kill or kill bacteria.
- the mesh of the filter 20 as the optimal mesh for removing microorganisms, a relatively large and wide range of microorganisms can be confirmed. They can be actually captured and removed, and the backwashing using the backwashing line 21 can also facilitate the treatment of the captured microorganisms.
- the other structure is the same as that of the first embodiment, and the same members are denoted by the same reference numerals.
- a mechanical processing device 3 similar to that of each of the above embodiments is installed on the upstream or downstream of the filter 20 in the processing line 6.
- the function of treating microorganisms is improved and the downstream flow is improved.
- the load of chlorination on the side can be reduced.
- a centrifugal separator (not shown) may be provided instead of the filter 20, and the microorganisms may be centrifuged from the seawater by the centrifugal separator and removed from the seawater.
- an oxidizing substance adding means may be used to add an oxidizing substance to the seawater.
- an oxidizing agent such as hydrogen peroxide and ozone can be used in addition to the chlorine-containing substance.
- a chlorine-containing substance is injected from the chlorine-containing substance injection device 30 into the untreated seawater to perform chlorination to kill or sterilize bacteria
- the mechanical treatment device 3 is installed in a process before or after the injection to perform a mechanical treatment to damage or kill or sterilize microorganisms in the seawater, and housed in the ballast water tongue 5.
- the chlorine-containing substance is preferably composed of chlorine, sodium hypochlorite, sodium chlorite, chloric acid, or ions or salts thereof, and most preferably sodium hypochlorite. Ah .
- the untreated seawater is subjected to chlorination S "by the seawater electrolysis device 4 and then mechanically treated by the mechanical treatment device 3 to the ballast water tank 5. To accommodate.
- the untreated seawater is subjected to the mechanical treatment by the mechanical treatment device 3 in the reverse order to the eighth embodiment, and then the seawater electrolysis device is performed.
- Chlorine treatment is performed by 4 and stored in ballast water tank 5.
- the untreated seawater was subjected to chlorination by a seawater electrolysis device 4 and mechanical treatment by a mechanical treatment device 3, and then to a metal catalyst treatment device 31. , And then a trihalomethane treatment with activated carbon by an activated carbon treatment device 32, which is stored in a ballast water tank 5.
- metal catalysts include elements of Group Mn, Tc, Re, and VIIA, or Group VIII such as Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, and Pt. Metals or compounds containing one or more of the elements are preferred.
- the trihalomethane treatment with the activated carbon makes it possible to remove a carcinogenic substance that is easily generated in the treated liquid after the chlorination treatment.
- the carcinogenic substance is removed from the treated liquid after the chlorination by activated carbon, and the residual HC 1 O after the chlorination is reduced by the metal catalyst. It can be made harmless, and the harmlessness and purification of the treated liquid can be further improved.
- the treatment with the metal catalyst by the metal catalyst treatment device 31 may be performed. Further, only the activated carbon treatment by the activated carbon treatment device 32 may be performed, or only the treatment with the metal catalyst by the metal catalyst treatment device 31 may be performed.
- the seawater stored in the ballast water tank 5 is provided with the same chlorine as that of the first embodiment (FIG. 1) by the seawater electrolysis device 4.
- Treatment and mechanical treatment by the mechanical treatment device 3 are performed to kill or sterilize microorganisms and bacteria in seawater to make them harmless and discharge them into the sea.
- the seawater contained in the ballast water tank 5 is supplied from the chlorine-containing substance injection device 30 similar to the seventh embodiment (FIG. 7). Chlorine treatment for injecting the substance is performed, and mechanical treatment by the mechanical treatment device 3 is performed before or after the injection of the chlorine-containing substance to kill or sterilize microorganisms and bacteria in seawater to make them harmless. , Drain into the sea.
- the seawater contained in the ballast water tank 5 is subjected to chlorine treatment by the seawater electrolysis device 4 in the same manner as in the eighth embodiment (FIG. 8). Then, mechanical treatment is performed by the mechanical treatment device 3 to kill or sterilize microorganisms and bacteria in the seawater, render them harmless, and discharge them into the sea.
- the ninth embodiment (FIG. 9) and the ninth embodiment (FIG. 9) are arranged in the reverse order to the 13th embodiment.
- the chlorination by the seawater electrolysis device 4 is performed to kill or sterilize microorganisms and bacteria in the seawater to render them harmless, and Draining.
- the seawater stored in the ballast water tank 5 is treated in the same manner as in the tenth embodiment (FIG. 10), that is, by the seawater electrolysis apparatus 4.
- treatment with a metal catalyst is performed by the metal catalyst treatment device 31; then, trihalomethane treatment by activated carbon is performed by the activated carbon treatment device 32; Microorganisms and bacteria are killed or sterilized to make them harmless and discharged into the sea.
- a filter 20 is installed in the processing line in the seawater stored in the ballast water tank 5, similarly to the fifth embodiment (FIG. 5).
- (21 is a backwash line for the filter 120
- 22 is an on-off valve for opening and closing the backwash line 21)
- the seawater is passed through a filter 20 to relatively remove the seawater.
- Large microorganisms are removed, and hypochlorous acid generated from the seawater is injected in the seawater electrolyzer 4 upstream or downstream of the filter 20 of the treatment line to kill or sterilize bacteria, Harmless seawater is drained into the sea.
- the mechanical treatment device 3 is installed downstream of the filter 20 to perform mechanical treatment on seawater after the filter 20. Microbes and bacteria in seawater are killed or sterilized to make them harmless and then discharged into the sea.
- the seawater contained in the ballast water tank 5 is treated with the seawater electrolyzer 4 in the same manner as in the first embodiment (FIG. 11). And mechanical treatment by the mechanical treatment device 3 to kill or disinfect microorganisms and bacteria in the seawater, and then detoxify the seawater by repeating the treatment of circulating the seawater to the ballast water tank 5. ing.
- the ballast water in the ballast water tank 5 can be detoxified even while the ship is navigating, shortening the detoxification time when draining the ballast water from the ship, or eliminating harmless treatment. Can be eliminated.
- the same effects can be achieved in the following first to twenty-fifth embodiments.
- the seawater stored in the ballast water tank 5 is supplied from the chlorine-containing substance injection device 30 to the seawater in the same manner as the 12th embodiment (FIG. 12).
- Chlorine treatment for injecting the chlorine-containing substance is performed, and microbes and bacteria in seawater are killed by performing mechanical treatment using the mechanical treatment device 3 before or after the chlorine-containing substance injection.
- it is rendered harmless by repeating a process of circulating the seawater to the ballast water tank 5 after sterilization.
- the seawater stored in the ballast water tank 5 is subjected to chlorine treatment by the seawater electrolysis device 4 in the same manner as in the above-mentioned thirteenth embodiment (FIG. 13). Then, mechanical treatment by the mechanical treatment device 3 is performed to kill or sterilize microorganisms and bacteria in the seawater, and then the seawater is subjected to the ballast water tank. It is harmless by repeating the process of circulating in step 5.
- the mechanical treatment by the mechanical treatment device 3 is performed in the same manner as in the 14th embodiment (FIG. 14).
- chlorination by the seawater electrolysis device 4 is performed to kill or sterilize microorganisms and bacteria in the seawater, and then the process of circulating the seawater to the ballast water tank 5 is repeated. Harmless.
- the seawater stored in the ballast water tank 5 is treated with chlorine treatment by the seawater electrolysis device 4 in the same manner as in the 15th embodiment (FIG. 15).
- the treatment with the metal catalyst is performed by the metal catalyst treatment device 31, and then the trihalomethane treatment by the activated carbon is performed by the activated carbon treatment device 32, whereby the seawater is treated.
- the process of circulating the seawater to the ballast water tank 5 is repeated to achieve harmlessness.
- the mechanical treatment by the mechanical treatment device 3 is performed in the same manner as in the sixteenth embodiment (FIG. 16).
- residual chlorine chlorine concentration
- the electrolysis current value of the seawater electrolysis device 4 based on the measured value of the residual chlorine amount to control the amount of hypochlorous acid generated in the seawater electrolysis device 4
- seawater electrolysis is performed. After the microorganisms and bacteria are killed or sterilized, the process of circulating the seawater to the ballast water tank 5 is repeated to make the water harmless.
- a filter 20 is installed in the processing line in the seawater stored in the ballast water tank 5, similarly to the seventeenth embodiment (FIG. 17).
- (21 is a backwashing line for the filter 120
- 22 is an on-off valve for opening and closing the backwashing line 21)
- the seawater is passed through the filter 20 so that a relatively large amount in the seawater is obtained.
- the wake of the filter 20 is added to the seawater in the same manner as in the 18th embodiment (FIG. 18).
- a mechanical treatment device 3 in the seawater and mechanically treating the seawater after the filling, the microorganisms and bacteria in the seawater are killed or sterilized. It is rendered harmless by repeating the process of circulating through the ballast water tank 5.
- untreated seawater is subjected to mechanical treatment by the mechanical treatment device 3 and stored in a ballast water tank 5, and the seawater in the ballast water tank 5
- the seawater in the ballast water tank 5 is rendered harmless by chlorinating the seawater electrolyzer 4 to kill or sterilize bacteria in seawater.
- the untreated seawater is mechanically treated by the mechanical treatment device 3 and stored in the ballast water tank 5, and the seawater in the ballast water tank 5 Further, by performing a chlorine treatment for injecting the chlorine-containing substance from the chlorine-containing substance injection device 30, the seawater in the ballast water tank 5 is rendered harmless.
- the untreated seawater is subjected to mechanical treatment by the mechanical treatment device 3 and stored in a ballast water tank 5, and the seawater in the ballast water tank 5
- the residual chlorine amount (chlorine concentration) of the treated seawater after the chlorination by the seawater electrolyzer 4 was measured by a residual chlorine meter 11, and the seawater electrolyzer 4 was measured based on the measured value of the residual chlorine amount.
- the seawater in the ballast water tank 5 is rendered harmless by controlling the electrolysis current value and controlling the amount of hypochlorous acid generated in the seawater electrolysis device 4.
- the untreated seawater is subjected to a microorganism separation treatment for removing relatively large microorganisms in the seawater by passing the seawater through a filter 120, and the untreated seawater is supplied to the ballast water tank 5.
- the seawater in the ballast water tank 5 is stored and chlorinated to kill or sterilize bacteria in the seawater by circulating the seawater in the ballast water tank 5 through the seawater electrolysis device 4. It is harmless.
- untreated seawater is subjected to a microorganism separation treatment for removing relatively large microorganisms in the seawater by passing through a filter 20.
- mechanical treatment is performed through the mechanical treatment device 3 and stored in the ballast water tank 5, and the seawater in the ballast water tank 5 is circulated through the seawater electrolysis device 4 to kill bacteria in the seawater.
- seawater in the ballast water tank 5 is rendered harmless by chlorination for sterilization.
- the seawater in the ballast water tank 5 is chlorinated to circulate the seawater electrolysis device 4 to kill or sterilize bacteria in the seawater.
- the treated seawater is further mechanically treated by a mechanical treatment device 3 to completely harmlessly discharge the seawater.
- the seawater in the ballast water tank 5 is subjected to a chlorination treatment for injecting a chlorine-containing substance from a chlorine-containing substance injection device 30. It is mechanically treated by a mechanical treatment device 3 to make it completely harmless and discharge it into the sea.
- the residual chlorine amount (chlorine concentration) of the treated seawater after the chlorination of the seawater in the ballast water tank 5 by the seawater electrolyzer 4 is retained.
- the treated seawater is further mechanically treated by a mechanical treatment device 3 to make it completely harmless and discharge it into the sea.
- the seawater in the ballast water tank 5 is chlorinated to circulate the seawater electrolyzer 4 to kill or sterilize bacteria in the seawater.
- the treated seawater is subjected to a microorganism separation treatment for removing relatively large microorganisms from the treated seawater by further passing the treated seawater through a filter 20 to completely detoxify the treated seawater and discharge it into the sea.
- the treated seawater is subjected to a microorganism separation treatment for removing relatively large microorganisms in the seawater by passing through a filter 20, and then the mechanical treatment device 3 Through a mechanical treatment to make it completely harmless and discharge it into the sea.
- a chlorination treatment for killing or sterilizing bacteria in seawater by circulating seawater in a ballast water tank 5 through the seawater electrolysis device 4 is performed.
- the treated seawater is subjected to mechanical treatment through a mechanical treatment device 3, followed by treatment with a metal catalyst by a metal catalyst treatment device 31, and then trihalomethane treatment with activated carbon by an activated carbon treatment device 32.
- the application kills or sterilizes microbes and bacteria in seawater, renders them completely harmless and discharges them into the sea.
- the seawater in the ballast water tank 5 is subjected to chlorination by the seawater electrolysis device 4 and mechanical treatment by the mechanical treatment device 3, and After killing or disinfecting the microorganisms and bacteria of the present invention, the seawater is harmless by repeating the process of circulating the seawater to the ballast water tank 5.
- Device 33 Electric power from the natural energy of 3 is used.
- a solar cell is used as a power source of the seawater electrolysis device 4 for performing chlorination of seawater in the ballast water tank 5 in the twenty-seventh embodiment (FIG. 27).
- the wind power generator 33 uses the power from natural energy.
- a solar cell is used as a power source of the seawater electrolysis apparatus 4 for performing chlorination of seawater in the ballast water tank 5 in the 32nd embodiment (FIG. 32).
- the wind power generator 33 uses the power from natural energy.
- a part of the untreated seawater is branched from the treated line and introduced into the seawater electrolysis apparatus 4, and the chlorination is performed by the seawater electrolysis apparatus 4. And circulated through the treatment line before being housed in a ballast water tank 5.
- untreated seawater is introduced into the seawater electrolysis apparatus 4, subjected to the chlorination by the seawater electrolysis apparatus 4, and stored in a ballast water tank 5. ing.
- the seawater in the ballast water tank 5 is introduced into the seawater electrolysis device 4, and the chlorination is performed by the seawater electrolysis device 4 to the ballast water tank 5. Circulating.
- a part of the untreated seawater is branched from the treatment line and introduced into the seawater electrolyzer 4, and the chlorination is performed by the seawater electrolyzer 4. After being circulated to the treatment line, the water is discharged into the sea.
- untreated seawater is The chlorination treatment is performed by the seawater electrolyzer 4 and then discharged into the sea. 1.
- a part of untreated seawater is branched from the treatment line and introduced into the seawater electrolyzer 4, where the chlorination is performed by the seawater electrolyzer 4.
- the treated seawater is further treated with a metal catalyst by a metal catalyst treatment device 31 and then subjected to a trihalomethane treatment with activated carbon by an activated carbon treatment device 32 before being discharged into the sea. .
- the power source of the seawater electrolysis device 4 is a solar cell and the natural energy of the wind power generation device 33. Using electricity by one.
- FIG. 48 and FIG. 49 show, in a system diagram, main processing of each of the above embodiments.
- the examples of (1) to (9) refer to the harmless liquid containing seawater as the treatment liquid in general, and the mechanical crushing of the treatment liquid using the mechanical treatment device 3 (mechanical treatment).
- Various combinations of killing or disinfecting a wide range of microorganisms by the method described above and chlorination for killing or disinfecting bacteria in the treatment liquid using the seawater electrolysis device 4 are employed.
- hypooxia is an abbreviation for sodium hypochlorite.
- the untreated liquid is subjected to a combination of the chlorination and the mechanical white-sharpening treatment to obtain a synergistic effect of the two treatments.
- the untreated liquid is subjected to the chlorination and then mechanically crushed.
- the untreated liquid is subjected to chlorination for injecting Cl 2 (chlorine) or “hypoxia”, and then to the mechanical crushing treatment.
- the untreated liquid is subjected to the same electrolytic cell circulation system as in the fourth embodiment.
- “hya” is produced by the seawater electrolysis apparatus 4 and injected into the untreated solution, and then subjected to the mechanical crushing treatment.
- the untreated liquid is formed into a "sub-sub” by the seawater electrolysis apparatus 4 using the electrolytic cell circulation system similar to that of the fourth embodiment, and then into the liquid after the "sub-sub” generation. It has been mechanically crushed.
- the untreated liquid is subjected to a combination of the above-mentioned chlorination and mechanical crushing, followed by trihalomethane treatment with activated carbon.
- the untreated liquid is subjected to a combination of the above-mentioned chlorination and mechanical crushing, and then subjected to a treatment with a metal catalyst.
- the untreated liquid is subjected to a combination of the chlorination and the mechanical crushing treatment, and then to a trihalomethane treatment with activated carbon and a treatment with a metal catalyst in this order.
- seawater is subjected to a combination of the above-mentioned chlorination and mechanical crushing (including post-treatment), and stored in a ballast water tank.
- seawater stored in a ballast water tank is subjected to a combination of the chlorination and mechanical crushing (including post-treatment), and then discharged into the sea.
- the seawater stored in the ballast water tank is subjected to the mechanical treatment and the chlorine treatment together and circulated to the ballast water tank.
- FIG. 50 is a block diagram showing an apparatus for detoxifying marine ballast water according to a 48th embodiment of the present invention.
- 100 is a ship navigating the sea 102
- 5 is a ballast water tank installed in the ship
- 50 is installed on land 101. Harmless dungeon equipment installed on land.
- the land-based detoxification facility 50 includes a seawater electrolysis device 4 and a mechanical treatment device 3 as chlorination means.
- the mechanical treatment device 3 is provided with a perforated plate having a number of small holes perforated in a seawater flow path, and the seawater is generated by turbulence generated when the seawater passes through the plurality of small holes.
- a perforated plate treatment apparatus configured to damage and kill or sterilize microorganisms is preferable, but the present invention is not limited to such perforated plate treatment apparatuses, and can be used to damage microorganisms in seawater and kill relatives. Alternatively, any material having a sterilizing function may be used.
- the seawater electrolysis device 4 electrolyzes seawater, generates sodium hypochlorite (hereinafter referred to as hypochlorous acid) from the seawater, and injects it into a seawater treatment line (not shown). Details will be described later.
- hypochlorous acid sodium hypochlorite
- 200 is a seawater carry-in path connecting the sea and the seawater inlet of the onshore detoxification facility 50 (either the seawater electrolyzer 4 or the mechanical treatment unit 3), and 210 is the preceding statement
- the untreated seawater that has passed through the seawater carry-in path 200 is subjected to the detoxification treatment in the order of the mechanical treatment device 3 of the detoxification equipment 50 installed on land 3 and the seawater electrolysis device 4.
- the harmless treatment may be performed in the reverse order of the seawater electrolysis device 4 ⁇ the mechanical treatment device 3.
- the untreated seawater that has passed through the seawater carrying channel 200 is introduced into the mechanical treatment device 3.
- the seawater In the mechanical treatment device 3, when passing the seawater through many small holes, the seawater is damaged or killed by sterilizing the creatures in the seawater.
- the seawater subjected to the mechanical treatment in the mechanical treatment device 3 is sent to a seawater electrolysis device 4 whose details are shown in FIG. It is.
- the seawater electrolysis device 4 In the seawater electrolysis device 4, the seawater is subjected to an electrolytic treatment to generate hypochlorous acid and inject it into the seawater.
- the hypochlorite contained in the treated seawater circulating in the circulation path 47 between the storage tank 43 of the treated seawater and the electrolytic cell 41 is electrolyzed. Since the water is fed into the tank 41, the pH of the seawater supplied to the electrolytic tank 41 is reduced by the hypochlorous acid, thereby preventing the scale from adhering to the electrolytic tank 41.
- the treated seawater subjected to the detoxification treatment by the seawater electrolysis device 4 and the mechanical treatment device 3 is stored in the ballast water tank 5 in the ship through the seawater discharge passage 210.
- the microorganism is mainly zooplankton and its cysts, phytoplankton and its cysts, bacteria, fungi, viruses, and other poisonous or pathogenic substances or disrupts the ecosystem. Things.
- hypochlorous acid used in the embodiment is most preferable, but chlorine, chlorous acid, chloric acid, or ions or salts thereof can be used.
- the substance having an oxidizing action includes an oxidizing agent such as hydrogen peroxide and ozone in addition to the chlorine-containing substance.
- the chlorine-containing substance can be added as a chemical from the outside.
- a filter 20, a backwash line 21, and an opening / closing valve 2 for opening and closing the backwash line 21 as shown in FIG. 59 are used as the detoxification equipment 50 on land.
- a microorganism separation treatment means 0 20 (indicated by a chain line in FIG. 50) consisting of 2 or the like is additionally provided, and the relatively large microorganisms in the sea water are removed by passing the sea water through a filter 20. You can also. Note that a centrifugal separator may be used instead of the filter 20 or the like.
- seawater electrolysis device 4 and the microorganism separation treatment means 200 may be combined.
- a relatively large and wide-ranging microorganism is killed by turbulence generated through seawater in the small holes of the mechanical treatment device 3 provided with the perforated plate having a large number of small holes.
- the combination of mechanical treatment of seawater by the mechanical treatment device 3 and chlorination by the seawater electrolysis device 4 is further combined with a filter 20 and a backwash line.
- microbial separation treatment means 0 20 shown by a chain spring in Fig. 1 consisting of an on-off valve 22 that opens and closes 1
- the pressure loss of the mechanical treatment device 3 can be reduced.
- the load is reduced.
- the required power of the mechanical treatment device 3 during the seawater detoxification treatment can be reduced, and the size and the capacity of the device can be reduced.
- the seawater of hypochlorous acid generated by the seawater electrolysis device 4 can be reduced.
- the amount of hypochlorous acid to be injected can be reduced because it is only necessary to kill or sterilize bacteria having a large treatment effect.
- chlorination for killing or disinfecting bacteria using the hypochlorous acid generated in the seawater electrolysis device 4 and killing a relatively large and wide range of microorganisms using the mechanical treatment device 3 Alternatively, by combining with a mechanical treatment for sterilization, the injection amount of hypochlorous acid in chlorination is only the amount necessary to remove bacteria, and the removal of microorganisms and the removal of bacteria by hypochlorous acid are required. The amount of hypochlorous acid injected during detoxification of seawater can be reduced as compared with the case of removal.
- hypochlorous acid As a result, the amount of residual hypochlorous acid is remarkably reduced, the corrosion of downstream equipment by hypochlorous acid during the detoxification of seawater can be suppressed, and the durability of the equipment can be improved, and hypochlorous acid can be improved. Marine pollution caused by dumping into the sea can be suppressed.
- the on-site detoxification facility 50 is a chlorine treatment for producing a chlorine-containing substance from seawater and injecting it into seawater to kill or sterilize the microorganisms.
- a seawater electrolysis apparatus 4 for applying water to seawater, and a mechanical treatment apparatus 3 for applying mechanical processing to the seawater to damage or kill or sterilize microorganisms in the seawater is mounted on the ship 100. .
- the treated seawater detoxified by the seawater electrolyzer 4 installed on land as the onshore detoxification equipment 50 is connected to the onshore detoxification equipment 50 and the ship interior. Introduced into the mechanical treatment device 3 installed in the ship 100 through the seawater discharge passage 210 connecting the ballast water tank 5 to the treatment device 3 and detoxified by the mechanical treatment device 3 Seawater can be stored in the ballast water tank 5.
- the hull of the vessel 100 is opened in the sea and provided to the mechanical processing device 3.
- a marine-side seawater loading channel 290 to be connected is provided.
- the mechanical treatment device 3 mounted on the ship 100 allows the seawater electrolyzer 4 in the detoxification facility 50 on land to be treated by the seawater electrolysis device 4, and the hull opening into the sea.
- the seawater introduced through the side seawater carrying channel 29 can be simultaneously detoxified and stored in the ballast water tank 5, whereby a large amount of seawater can be detoxified by a mechanical treatment device having a simple structure.
- the seawater electrolysis device 4 or the mechanical treatment device 3 is installed on land as a land-based detoxification facility 50, A harmless treatment for killing or disinfecting microorganisms in the treated seawater is performed, and the treated seawater is connected to the land-based detoxification facility 50 and the ballast water tank 5 mounted on the ship 100 in a seawater discharge path. Since it is stored in the ballast water tank 5 through 210, it is not necessary to install at least one of the seawater detoxification treatment facilities such as the seawater electrolysis device 4 and the mechanical treatment device 3 in the hull 100. As a result, the installation space for the harmless processing apparatus for seawater in the vessel 100 can be reduced, and the space for loading cargo and the like can be increased.
- the onshore detoxification equipment 50 such as seawater electrolysis equipment 4 or mechanical treatment equipment 3 installed on land and the ballast water tank 5 on the ship 100 side are connected to the seawater discharge way 210 By reconnecting every 100, detoxification of the ballast water tanks 5 of a plurality of vessels 100 can be performed by one set (one set) of detoxification equipment 50 on land. As a result, the operation rate of the detoxification facility 50 on land can be increased, and the number of detoxification processing devices installed per ship (100) can be reduced, thereby reducing the installation cost.
- detoxification equipment such as sea ice electrolysis equipment 4 or mechanical treatment equipment 3 will be installed on land. Since it is installed as an upper facility, it is not necessary to install the detoxification equipment inside the hull of existing vessels 100, and the remodeling of the hull is minimized. However, the cost of installing the hull for installing the detoxifying apparatus can be minimized.
- a microorganism separation treatment means 200 (indicated by a chain line in FIG. 2) may be mounted on the vessel 100. .
- the seawater electrolysis device 4, the mechanical treatment device 3, the divergent organism separation treatment means 0 20 may be replaced with the land-based detoxification device 50 or Can be replaced for use on board ship 10.
- the seawater electrolysis device 4 is mounted on a ship 100, and as a land-based detoxification facility 50, any one of the mechanical treatment device 3 and the microorganism separation treatment means 0200 Or it is also possible to install both.
- the above-mentioned detoxification facility 50 for land installation is mounted on a vehicle 220 so that the land 101 can be freely used. It is configured to be movable.
- the land-based detoxification facility 50 of the forty-eighth embodiment is mounted on a vehicle 220 so that the land 101 can move freely.
- the land-based detoxification facility 50 of the 51st embodiment is mounted on a vehicle 220 so that the land 101 can move freely.
- the land-based detoxification facility 50 of the fifty-third embodiment is mounted on a vehicle 220 so that the land 101 can move freely.
- the land-based detoxification facility 50 mounted on the vehicle 220 is freely brought close to the ship 100, and In this way, the harmlessly treated seawater can be stored in the ballast water tank 5 in the ship 100, and the length of the seawater transport line such as the seawater discharge pipe 210 can be minimized. to this Thus, the power of a seawater transfer pump (not shown) can be reduced, and the cost of detoxifying seawater can be reduced.
- the vehicle The detoxification equipment 50 on land installed on 220 can be freely moved to perform the detoxification treatment of ballast water to each ship 100, and the detoxification treatment of the ballast water can be performed. It can be performed efficiently in a short time.
- 100 is a ship navigating the sea 102
- 5 is a ballast water tank installed in the ship
- 230 is a ship at sea (102).
- the equipment-mounted vessel movably suspended, 60 is a marine detoxification facility mounted on the equipment-mounted vessel 230.
- the offshore detoxification facility 60 is composed of a seawater electrolysis device 4 and a mechanical treatment device 3 configured in the same manner as in the above-described 48th to 53rd embodiments.
- 250 is a seawater carrying-in path for taking in seawater and transporting it to the marine detoxification facility 60; 240 is a ballast water tank 5 in the marine detoxification facility 60 and the vessel 100; And a seawater carrying-out path for conveying the treated seawater treated by the harmless dangling equipment 60 installed on the sea to the ballast water tank 5.
- the detoxification treatment is performed in the order of the mechanical agitation treatment device 3 and the seawater electrolysis device 4 of the untreated detoxification facility 60 on the untreated seawater passing through the seawater inlet channel 250.
- the harmless processing may be performed in the reverse order of the seawater electrolysis device 4 ⁇ the mechanical treatment device 3.
- the untreated seawater that has passed through the seawater carrying channel 250 is introduced into the mechanical treatment device 3.
- the mechanical treatment device 3 In the mechanical stirrer 3, the same mechanical treatment as that in the 48th to 53rd embodiments is performed, and then sent to the seawater electrolyzer 4. Chlorine treatment similar to that of the 53rd embodiment is performed.
- the treated seawater detoxified by the seawater electrolysis device 4 and the mechanical treatment device 3 is stored in a ballast water tank 5 in the vessel 100 through a seawater carrying-out channel 240. 101 is land.
- the seawater electrolysis device 4 and the mechanical treatment device 3 constituting the marine detoxification facility 60 are mounted on a device movably suspended above the sea (102).
- sea-based detoxification facility 60 detoxification facility for killing or sterilizing microorganisms in untreated seawater is carried out in the sea-based detoxification facility 60, and treated seawater is treated with the sea-based detoxification facility 60 and Vessel 1 Since the water is stored in the ballast water tank 5 through a seawater carrying-out path 240 that connects the innermost water tank 5 to the innermost water tank 5, the seawater detoxification processing equipment such as the seawater electrolyzer 4, the mechanical treatment apparatus 3, etc. Can be floated as the offshore detoxification facility 60, and it is not necessary to install it in the vessel 100. As a result, it is possible to reduce the installation space of the seawater detoxification treatment apparatus on the ship 100, and to increase the mounting space for cargo and the like.
- the seawater electrolysis device 4 and the mechanical treatment device 3 that constitute the offshore detoxification facility 60 movably suspended on the sea (102), and the ballast water tank 5 on the ship 100 side,
- one (one set) of detoxification equipment 60 at sea is used for harmless treatment of ballast water tanks 5 of multiple ships 100 It can be performed.
- the operation rate of the detoxification equipment 60 at sea can be increased, and the number of detoxification processing apparatuses installed per vessel 100 can be reduced, thereby reducing the equipment cost.
- the detoxification equipment 60 which is installed on the sea, is installed so that it can be moved offshore.
- the movement of 3 makes it possible to freely approach the ship 100 so that the seawater detoxified by the detoxification facility 60 at sea can be stored in the ballast water tank 5 in the ship 100. This makes it possible to detoxify ballast water very easily and in a short period of time, whether on a berth or on a ship anchored offshore.
- the seawater detoxification equipment 60 may be a seawater electrolysis device 4, a mechanical treatment device 3, and a microorganism separation treatment means 0 for applying the microorganism separation treatment to the seawater. 20 (indicated by a dashed line in FIG. 7).
- the seawater electrolysis device 4 is installed as the offshore installation detoxification facility 60, and the microorganism separation treatment means 0 20 is installed together with the mechanical treatment device 3 on the ship 1. It is also possible to configure so as to be mounted on 0 0.
- the seawater electrolysis device 4, the mechanical treatment device 3, and the microbial separation treatment means 0 20 may be replaced with the marine detoxification device 60 or the ship 100. it can.
- the seawater electrolysis device 4 is mounted on a ship 100, and as the marine-installed detoxification facility 60, any one of the mechanical treatment device 3 and the microorganism separation treatment means 0200 Or it is also possible to install both.
- the marine-installed detoxification facility 60 comprises a seawater electrolysis device 4 and a mechanical treatment device 3 as in the 54th embodiment, and the mechanical treatment device Another mechanical processing device 3 similar to 3 is mounted on the vessel 100.
- Seawater is introduced into another mechanical treatment device 3 in the vessel 100 through the seawater discharge channel 240.
- the treated seawater detoxified again by the other mechanical treatment device 3 can be stored in the ballast water tank 5.
- the vessel # of the vessel 100 A hull-side seawater carrying channel 29 connected to the mechanical treatment device 3 is provided.
- the seawater electrolysis device 4 and the mechanical treatment device in the harmless installation 60 at sea are provided by another mechanical treatment device 3 mounted on the ship 100.
- the treated seawater in step 3 and the seawater introduced through the hull-side seawater carrying-in path 29 opening into the sea can be simultaneously detoxified and stored in the ballasted water tank 5, thereby providing a machine with a simple structure
- a large amount of seawater can be detoxified by a conventional treatment device.
- Other configurations are the same as those of the above-mentioned 55th embodiment (FIG. 57), and the same components are denoted by the same reference numerals.
- the other functions and effects of the 56th embodiment are the same as those of the 54th embodiment.
- the chlorinating means is configured as a seawater electrolysis apparatus 4 of an electrolytic tank circulation type as shown in FIG. 4, but the present invention is not limited to this, and a chlorine-containing substance is produced from seawater. What is necessary is just to have the chlorination function which inject
- One of them is a means for adding a substance having an oxidizing effect to the seawater by an oxidizing substance adding means (not shown).
- an oxidizing agent such as hydrogen peroxide and ozone can be used in addition to the chlorine-containing substance.
- ADVANTAGE OF THE INVENTION According to this invention, equipment cost and operation cost are reduced, and it is possible to surely kill or sterilize microorganisms of any size without reducing the strength of the processing liquid container such as a hull.
- Installation space for detoxification equipment for ballast water on ships has been reduced to increase the mounting space for cargo, etc., and also for existing ships, the cost of remodeling the hull for installing such detoxification equipment is minimal. It is possible to provide a method and an apparatus for detoxifying a liquid such as ballast water, which can be suppressed to a minimum.
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2005518065A JPWO2005077833A1 (ja) | 2004-02-13 | 2005-02-10 | 液体の無害化処理方法及びその装置 |
EP20050710363 EP1717205A1 (en) | 2004-02-13 | 2005-02-10 | Method of liquid detoxification and apparatus therefor |
US10/569,483 US20080164217A1 (en) | 2004-02-13 | 2005-02-10 | Method of Liquid Detoxification and Apparatus Therefor |
AU2005212085A AU2005212085A1 (en) | 2004-02-13 | 2005-02-10 | Method of liquid detoxification and apparatus therefor |
NO20060879A NO337935B1 (no) | 2004-02-13 | 2006-02-23 | Fremgangsmåte for detoksifisering av ballastvann og apparatur for utøvelse av fremgangsmåten. |
US12/292,454 US20090078654A1 (en) | 2004-02-13 | 2008-11-19 | Method of liquid detoxification and apparatus therefor |
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JP2004037273 | 2004-02-13 | ||
JP2004-037273 | 2004-02-13 | ||
JP2004135389 | 2004-04-30 | ||
JP2004-135389 | 2004-04-30 | ||
JP2004-170514 | 2004-06-08 | ||
JP2004170514 | 2004-06-08 |
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US12/292,454 Division US20090078654A1 (en) | 2004-02-13 | 2008-11-19 | Method of liquid detoxification and apparatus therefor |
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JP (3) | JPWO2005077833A1 (ja) |
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CN (1) | CN100393632C (ja) |
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KR20160122785A (ko) * | 2014-02-14 | 2016-10-24 | 파나소닉 아이피 매니지먼트 가부시키가이샤 | 원심식 고액 분리 장치와 그것을 이용한 수 처리 장치 |
US10118840B2 (en) | 2014-02-14 | 2018-11-06 | Panasonic Intellectual Property Management Co., Ltd. | Centrifugal solid-liquid separation device and water treatment device using same |
KR101980952B1 (ko) | 2014-02-14 | 2019-05-21 | 파나소닉 아이피 매니지먼트 가부시키가이샤 | 원심식 고액 분리 장치와 그것을 이용한 수 처리 장치 |
JPWO2016174890A1 (ja) * | 2015-04-30 | 2018-02-22 | 株式会社クラレ | バラスト水処理装置及びバラスト水処理方法 |
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JP2010179304A (ja) | 2010-08-19 |
AU2005212085A1 (en) | 2005-08-25 |
EP1717205A1 (en) | 2006-11-02 |
JP2012210627A (ja) | 2012-11-01 |
CN1842495A (zh) | 2006-10-04 |
CN100393632C (zh) | 2008-06-11 |
US20090078654A1 (en) | 2009-03-26 |
US20080164217A1 (en) | 2008-07-10 |
KR100814658B1 (ko) | 2008-03-18 |
JP5693524B2 (ja) | 2015-04-01 |
NO337935B1 (no) | 2016-07-11 |
JPWO2005077833A1 (ja) | 2007-10-18 |
NO20060879L (no) | 2006-07-13 |
KR20060056383A (ko) | 2006-05-24 |
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