WO2011105260A1 - 船舶用バラスト水の処理装置および処理方法 - Google Patents
船舶用バラスト水の処理装置および処理方法 Download PDFInfo
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- WO2011105260A1 WO2011105260A1 PCT/JP2011/053227 JP2011053227W WO2011105260A1 WO 2011105260 A1 WO2011105260 A1 WO 2011105260A1 JP 2011053227 W JP2011053227 W JP 2011053227W WO 2011105260 A1 WO2011105260 A1 WO 2011105260A1
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- water
- filter
- treated
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- nozzle
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 282
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 53
- 238000001514 detection method Methods 0.000 claims description 35
- 230000008859 change Effects 0.000 claims description 13
- 239000000706 filtrate Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 244000005700 microbiome Species 0.000 abstract description 21
- 230000000415 inactivating effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 34
- 230000000694 effects Effects 0.000 description 20
- 239000013535 sea water Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 241000512259 Ascophyllum nodosum Species 0.000 description 1
- 241000258957 Asteroidea Species 0.000 description 1
- 241000238578 Daphnia Species 0.000 description 1
- 241000194033 Enterococcus Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 241000607626 Vibrio cholerae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 229940118696 vibrio cholerae Drugs 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
- B01D29/6446—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/74—Regenerating the filter material in the filter by forces created by movement of the filter element involving centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
- B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
- B01D35/301—Constructions of two or more housings
- B01D35/303—Constructions of two or more housings the housings being modular, e.g. standardised
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/58—Power supply means for regenerating the filter
- B01D2201/583—Power supply means for regenerating the filter using the kinetic energy of the fluid circulating in the filtering device
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
Definitions
- the present invention relates to a treatment system for ballast water stored in a ship such as an oil tanker for stability at the time of navigation, and in particular, a treatment apparatus for ship ballast water that is mounted on a ship and used for removing microorganisms from seawater. And a processing method.
- ballast water is seawater that is loaded on a ship for safe navigation even in an empty state. Ballast water is taken from a nearby sea area when leaving the port, and drained to the ocean when loading the cargo when entering the port. That is, ballast water consisting of seawater from the departure port is drained at the port of arrival (loading port).
- ballast water consisting of seawater from the departure port is drained at the port of arrival (loading port).
- ballast water is drained into a sea area different from the area where the water is taken, organisms in the seawater are moved to a sea area that is not a natural habitat, which greatly affects the marine ecosystem.
- Japanese Patent No. 3660984 discloses a method for sterilizing aquatic organisms by heating seawater
- Japanese Patent No. 4261955 discloses a method using steam and a method using ultraviolet irradiation, and other methods such as voltage application and shock wave.
- an electrical method a method of introducing a chemical such as sodium hypochlorite, and the like.
- a method using filtration as a pre-stage of the above-described killing treatment or for the purpose of removing relatively large microorganisms has been studied.
- Japanese Patent Application Laid-Open No. 2006-728 discloses a method for producing ballast water using a filtration membrane. Are listed.
- Each conventional ballast water treatment has its disadvantages.
- securing energy for heating is a problem, and it is difficult to completely kill microorganisms. It is still difficult to completely kill microorganisms by electric means, and a lot of electric power is required.
- the method using a drug requires a high concentration of the drug, and the neutralization of the waste water becomes a problem.
- the method using an ultraviolet lamp is used relatively effectively, it requires a large number of lamps for complete killing of microorganisms, and there is a problem of installation cost.
- the filtration membrane method requires a membrane with a very small pore size, and filtration takes time and cleaning for removing clogging is necessary, so it is not practical to process a large amount of seawater. .
- ballast water treatment methods have been studied in this way, there is still no definitive one, and further functional improvements are being sought. It is an object of the present invention to dispose and inactivate turbidity and microorganisms efficiently from ballast water discharged from a ship or loaded into a ship, and to treat ship ballast water that can be mounted on a ship. It is to provide an apparatus and a processing method.
- the inventors of the present application have arrived at the present invention as a result of intensive studies on means that can be installed on a ship and that can efficiently purify ballast water.
- the invention of 1 of the present application is arranged in a cylinder so as to surround the axis, and is provided so as to be rotatable about the axis, a water to be treated which flows out water to be treated toward the outer peripheral surface of the filter,
- a case having an outer cylindrical portion provided inside the filter and provided with a nozzle port of the water nozzle to be treated inside, and filtered water that has passed through the filter is led out from the inside of the cylinder of the filter to the outside of the case.
- a marine ballast water treatment apparatus including a filtered water flow path and a discharge flow path for discharging discharged water not filtered by the filter to the outside of the case.
- seawater to be treated is not particularly limited, but generally seawater in harbor areas where ships are anchored contains microorganisms and turbidity, and turbidity is about 1 to 100 degrees. .
- microorganisms in seawater that are problematic include larvae such as Escherichia coli, Vibrio cholerae, Enterococcus, Daphnia, starfish, and Asian kelp. These microorganisms are mostly 0.3 to several ⁇ m in size.
- the filter here is intended to remove microorganisms as well as remove turbidity from seawater.
- a relatively strong filter such as a nonwoven fabric or polyester can be used.
- the turbidity to be removed contains inorganic components such as silica, and the sizes thereof are various. Ballast water is required to remove microorganisms and turbidity of 10 ⁇ m or more, and the material is not particularly limited as long as it can effectively remove these. In addition, as the film thickness increases, the filtration flow rate decreases, and when it is thin, the film easily breaks. Therefore, although it depends on the material, it is preferably 0.1 mm or more and 1 mm or less.
- the nozzle port of the water nozzle to be treated is preferably a long opening whose long side is the axial direction of the filter.
- the treated water can flow out over the entire axial direction of the filter.
- the entire filter can be used effectively, and the entire filter can be efficiently cleaned.
- the long side length of the long opening is preferably substantially equal to the axial length of the filter. This is because it effectively acts on the entire surface of the filter. Therefore, it is not necessary that the lengths exactly match each other, and it is sufficient if the length of the treated water that has flowed out reaches the entire filter surface.
- the long opening means an elongate opening having a long side and a short side.
- it is a rectangular opening having a substantially rectangular shape, and includes a track-like shape or an elliptical shape in which the minor axis side forms an arc.
- the direction change board extended in the cylinder axial direction from the inner wall of the outer cylinder part.
- Such a direction change plate dams up the water to be treated that flows in the circumferential direction along the filter surface inside the outer cylinder, and in a direction substantially perpendicular to the cylindrical surface of the filter from the circumferential flow (the radial direction of the cylinder). )
- the water flow in a direction in which the direction of the cylinder surface is changed substantially perpendicularly and pressure is applied to the filter surface has an action of removing turbidity adhering to the filter surface, and can more effectively suppress clogging of the filter.
- the nozzle opening is a long opening, particularly when the nozzle opening is a rectangular opening, the nozzle itself can be provided with a function of a direction change version, which is effective.
- the washing water nozzle is also preferably a nozzle having a long opening. It is possible to optimize the conditions such as the nozzle angle and number of nozzles by providing a nozzle dedicated to the washing water, which is different from the water to be treated. Efficiency is improved.
- the discharged water that has not been filtered by the filter is continuously discharged outside through the discharge flow path.
- a general filtration apparatus even if the supply of treated water and the derivation of treated filtered water are continuously operated, the treated water that has not been filtered cannot be discharged continuously. In many cases, maintenance is performed such as removing the clog after removing the filter after a certain period of operation.
- improvement in processing efficiency can be achieved by continuously discharging the ballast water.
- the filter is preferably a pleated filter having a pleated shape bent in a cylindrical radial direction.
- the pleated shape refers to a shape in which peaks and valleys are repeated by making a large number of creases on a filter surface arranged in a cylindrical shape.
- the area of the membrane can be effectively increased.
- an apparatus used on a ship with a large restriction on the installation location is preferable for reducing the installation area of the entire apparatus.
- the pleated shape pleat depth and the number of pleats are preferably as large as possible to increase the area, but it affects the degree of clogging and the ease of cleaning.
- the pleat depth is It is preferably 30 mm or more and 150 mm or less, more preferably 50 mm or more, and the number of pleats is preferably 100 or more and 500 or less. The larger the pleat depth and number, the more the area increases, which is preferable.
- the short side length of the opening is preferably less than 3 times the pleat interval of the pleated filter.
- the pleat interval refers to the interval length between adjacent vertices of a mountain portion facing the outside of the cylinder, and is an average value of the interval between the vertices. That is, when the pleats are manufactured at equal intervals, the circumferential length of the peak portion is divided by the number of peaks. It was confirmed that when the width of the nozzle opening was three times the pleat interval, the filter was not sufficiently cleaned by the water flow.
- the short side length of the opening is 1 ⁇ 2 or more of the pleat interval.
- the filter cleaning effect is higher in the case of the pleat opening or more than in the case of the pleat opening or less. This is particularly effective for long openings.
- the filter may be rotated by the pressure of the water to be treated flowing out from the water nozzle to be treated, or an electric motor for rotation may be further provided.
- the filter can be rotated by providing the nozzle port of the nozzle to be treated at an angle so as not to coincide with the radial direction of the filter cylinder, and spraying the water to be treated onto the filter surface.
- the water to be treated can always be supplied to a new surface without separately providing a power mechanism for rotating the filter. In this case, it is preferable to provide unevenness on the filter surface as a structure susceptible to water pressure, and a pleated filter can be used particularly preferably.
- an electric motor for rotation is provided, a mechanism for rotation is required, but stronger rotation can be arbitrarily given, and an improvement in filtration efficiency can be expected. It is more effective to use both of these in combination.
- the rotation speed is preferably 20 rpm or more and 150 rpm or less. If it is less than 20 rpm, it is difficult to obtain a treatment of 5 ton / hour. On the other hand, if it exceeds 150 rpm, it is necessary to add water to be treated at an excessively large pressure in order to filter against the influence of the centrifugal force of rotation. . For example, in order to obtain a processing amount of 20 ton / hour, it is more preferably 30 rpm or more and 80 rpm or less.
- a return flow path that forms a flow path for returning a part of the drained water that has not been filtered to a position where it can be used as treated water can be provided. Utilizing the discharged water as treated water again is a technique called cross flow. By applying this to the apparatus of the present invention, the overall processing efficiency can be improved.
- another invention of the present application is a ship ballast water treatment apparatus provided with an ultraviolet lamp for irradiating filtered water with ultraviolet light in the middle of the flow path of the filtered water.
- an ultraviolet lamp is preferably provided in the case.
- the treatment apparatus of the present invention is not intended to remove all microorganisms in the water to be treated by filtration through a filter. Therefore, the treated water after filtration contains microorganisms. It is preferable to separately provide a means for killing microorganisms, and a known method can be applied. However, there is a restriction on the device installation area on the ship, and it is required to configure the device with an area as small as possible. Therefore, in the present invention, ultraviolet irradiation is preferably provided as a means for killing microorganisms. Furthermore, an ultraviolet lamp for irradiating ultraviolet rays is integrated with a filtering device and provided in a case, so that the installation area can be minimized, which is particularly preferable as a device installed on a ship.
- the ultraviolet lamp to be used those conventionally used for sterilization can be used.
- a straight tube type lamp is mainly used, and the treated water and the lamp are fixed so as to intersect with a cylindrical chamber that goes straight to the treated water flow path.
- the conventional chamber form is applicable also in this invention, it is preferable to make a chamber into a prism shape in the longitudinal direction of piping. With this shape, the end of the ultraviolet lamp can be arranged in the flow of the water to be treated, and the utilization efficiency of ultraviolet rays can be increased. Further, since the chamber does not intersect with the piping, the flow does not stay at the bottom of the chamber, which is preferable in that the problem of solid deposition is eliminated.
- Still another invention of the present application is a cylinder disposed so as to surround an axis, and is provided so as to be rotatable around the axis, and a water nozzle to be treated that discharges water to be treated toward the outer peripheral surface of the filter.
- a plurality of filtration processing units having a plurality of filtration treatment units, the plurality of filtration treatment units being arranged vertically with the axis as the same axis, and a common filtrate water flow path for leading filtrate from the inside of the filter of each filtration treatment unit. It is a processing device for ballast water for ships.
- each of the above-described constituent elements preferably applied to the configuration of the filtration processing apparatus is preferably applied to a plurality of filtration processing units, respectively.
- the filtrate flow path is provided with an ultraviolet lamp that irradiates the filtrate with ultraviolet rays.
- a rotating shaft common to the filters of the plurality of filtration processing units and an electric motor for rotating the rotating shaft. Even in the case of a multi-stage configuration, it is necessary to kill the microorganisms, and an ultraviolet lamp can be provided as in the case of a single stage.
- the filter can be rotated without using a power mechanism by ejecting the water to be treated.
- an electric motor on a common shaft in a multi-stage configuration, the energy efficiency and installation efficiency for rotation can be increased. The effect of placing an electric motor is higher than in the case of one stage.
- a turbidity detection unit for detecting the turbidity of the water to be treated is provided, and the rotation speed of the electric motor is changed according to the output of the turbidity detection unit. It is good to be configured.
- One advantage of using an electric motor is that the rotational speed can be made variable. In order to effectively utilize the merit, it is preferable to combine it with turbidity detection of water to be treated. When the turbidity of the water to be treated increases, the rotational speed can be increased to increase the filtration effect, and vice versa.
- a filtered water flow rate detection unit for detecting the flow rate of the filtered water is provided, and the number of revolutions of the electric motor is changed according to the output of the filtered water flow rate detection unit.
- a filtered water pressure detecting unit for detecting the pressure of the filtered water is provided, and the number of revolutions of the electric motor is changed according to the output of the filtered water pressure detecting unit.
- the pressure of the filtrate water to be detected may be an absolute pressure, but it may be detected by a differential pressure between the pressure to be treated and the pressure on the filtrate water side. In any case, if the pressure on the filtered water side drops (that is, the filter is clogged and the amount of filtration decreases), increasing the number of revolutions can improve the cleaning effect and reduce clogging. it can.
- These detection and rotational speed control can be used independently, but a plurality of them may be combined.
- the present invention further provides a treatment method for treating marine ballast water using the above apparatus.
- the ballast for ships that can be mounted on a ship that can efficiently kill and inactivate turbidity and microorganisms with respect to the ballast water discharged from the ship or loaded on the ship.
- a water treatment apparatus can be provided.
- FIG. 1A It is a figure which shows an example of the processing apparatus for ballast water for ships by this invention, and is a figure which shows typically the structure of the vertical cross section containing an axis line. It is a figure which shows an example of the processing apparatus for ballast water for ships by this invention, and is a figure which shows typically the structure of the horizontal cross section in alignment with the IB-IB line
- FIG. 1 It is a figure which shows another example of the processing apparatus for ballast water for ships by this invention, and is a figure which shows the structure provided with the ultraviolet irradiation part inside. It is a top view which shows the structural example of an ultraviolet irradiation part. It is a front view which shows the structural example of an ultraviolet irradiation part. It is a side view which shows the structural example of an ultraviolet irradiation part. It is a top view which shows another structural example of an ultraviolet irradiation part. It is a front view which shows another structural example of an ultraviolet irradiation part. It is a side view which shows another structural example of an ultraviolet irradiation part.
- FIG. 1 It is a figure explaining the structure provided with the several filtration processing unit as another example of the processing apparatus for ballast water for ships by this invention. It is a figure which shows the example of a structure where a nozzle opening is a long opening as a processing apparatus for ballast water for ships by the present invention, and is a figure showing typically the composition of the perpendicular section containing an axis. It is a figure which shows typically the structure of the horizontal cross section in alignment with the IX-IX line of FIG. It is a figure which shows the structural example of a rectangular opening as a structural example of a long nozzle opening. It is a figure explaining the relationship between a pleat filter and opening. It is a figure explaining the structure which provided the turbidity detection part.
- FIG. 1A and 1B are diagrams showing an example of a ship ballast water treatment apparatus according to the present invention.
- FIG. 1A is a vertical cross-sectional configuration including an axis
- FIG. 1B is a horizontal view taken along line IB-IB in FIG. 1A. It is a figure which shows the structure of a cross section typically.
- the cylindrical filter 1 is disposed so as to surround an axis serving as a rotation center, and is rotatably attached around a central pipe (pipe does not rotate) disposed at the center.
- 1A and 1B show a pleated filter that is creased so as to repeat peaks and valleys in the radial direction of the cylinder as the filter 1.
- the upper and lower surfaces of the filter 1 are closed watertight.
- the rotatable mounting structure also needs to be a watertight structure, but a known structure is used without any particular limitation.
- a case 3 is provided so as to cover the entire filter 1.
- the case 3 includes an outer cylinder portion 31, a lid portion 32, and a bottom portion 33, and the discharge passage 8 is provided in the bottom portion 33.
- a treated water channel 6 and a treated water nozzle 2 are provided to introduce seawater as treated water into the case 3.
- the treated water nozzle 2 is extended from the treated water flow path 6 so that the nozzle port 21 is provided in the outer cylinder portion 31 of the case 3, so that the treated water flows out toward the outer peripheral surface of the filter 1. It is configured.
- the water to be treated ejected from the water to be treated nozzle 2 hits the pleat outer peripheral surface of the pleated filter 1, and the pleated filter 1 is configured to rotate by the pressure.
- a part of the water to be treated is filtered by the filter 1 as it is, and the filtered water permeates into the cylinder of the filter 1, but the other part flows in the case 3 in the same direction as the rotation of the filter 1.
- the water to be treated that has made a round in the case 3 is blocked by the direction changing plate 5 provided in the vicinity of the nozzle 2, and the direction of the flow is changed so as to generate pressure in the filter direction.
- a water flow is applied to the filter surface at a constant pressure substantially perpendicular to the surface, and the cleaning effect of the filter 1 can be obtained by such force.
- the filter surface is also filtered while being washed by the water flow from the water nozzle 2 to be treated. In this case, a great cleaning effect near the nozzle opening 21 can be obtained, but the water flow hardly hits a portion far from the nozzle 2.
- the space is drawn wide in order to make the structure in the case 3 easy to understand, but it is needless to say that the wasteful space is actually configured with as little as possible.
- the water to be treated that is not filtered and the suspended matter that has settled in the case 3 are sequentially discharged from the discharge flow path 8 at the bottom of the case 3.
- the characteristic of this device is that the turbid component and the remaining water to be treated are continuously discharged while being continuously discharged, and the processing amount of 10-20 ton / hour or more required for ballast water is also a feature of this apparatus. It is effective to ensure.
- a valve or the like is not shown in the discharge flow path 8, but equipment necessary for maintenance and flow rate adjustment can be provided.
- the filtered water filtered by the filter 1 is guided to the filtered water flow path 7 through the water intake hole 41 provided in the central pipe 4 inside the filter 1 and flows out of the case 3.
- FIG. 2 is a diagram illustrating a configuration example thereof, and is a diagram illustrating a cross-sectional configuration similar to that of FIG. 1B.
- a cleaning nozzle 9 is provided so as to penetrate the outer cylinder portion of the case 3, and the nozzle port 91 is attached toward the filter surface. From the cleaning nozzle 9, it is preferable that the cleaning water different from the water to be treated, that is, water containing as little turbidity as possible, should be ejected vigorously on the outer peripheral surface of the filter 1 and directed perpendicularly to the filter 1 (radial direction of the filter cylinder) And squirt. In addition, it is effective that the filter 1 is rotated by washing water. In that case, the nozzle port 91 may be provided obliquely.
- FIG. 3 is a diagram illustrating a configuration provided with an electric motor as another example of the marine ballast water treatment apparatus according to the present invention.
- the rotation of the filter 1 depends on the water flow of the water to be treated, but in FIG. 3, the shaft 101 of the electric motor 100 is connected to the filter central axis to forcibly rotate.
- the electric motor 100 is covered and accommodated by a motor cover 102 and is driven by electric power from the drive control unit 103.
- the number of rotations of the electric motor 100 may be constant or may be arbitrarily determined artificially, but it is more preferable to control according to the state of filtration.
- a filtered water detection unit 110 that detects the state of filtered water is provided in the filtered water flow path 7, and the detected information is transmitted to the drive control unit 103.
- the drive control unit 103 performs control so as to change the number of rotations according to information from the filtered water detection unit 110.
- the filtered water detection unit 110 may be a filtered water flow rate detection unit or a filtered water pressure detection unit.
- FIG. 1 As shown in FIG.
- the turbidity detection unit 300 detects the amount of turbidity contained in the filtered water, and a light transmission type turbidity sensor or the like can be used.
- a known flow meter can be used for the filtered water flow rate detection unit.
- a known pressure sensor can be used for the filtered water pressure detection unit. In any case, it is preferable to output a state and a numerical value detected as an electric signal, and automatic control is performed by inputting the electric signal output to the drive control unit 103 of the electric motor 100.
- the amount of filtration can be increased by increasing the rotation speed of the filter 1.
- the filtrate water flow rate detection unit when the flow rate is reduced (that is, when the filter 1 is clogged and the amount of filtration is reduced), the cleaning effect is increased and clogging is reduced by increasing the rotation speed. be able to.
- the filtered water pressure detection unit when the pressure on the filtered water side decreases (that is, when the filter 1 is clogged and the amount of filtration is reduced), the cleaning effect is enhanced by increasing the rotational speed, Clogging can be reduced.
- FIG. 4 shows a configuration in which an ultraviolet irradiation unit is built in the processing apparatus.
- An ultraviolet irradiation unit 200 is provided inside the case 3, and the filtered water collected by the central pipe 4 is irradiated with ultraviolet rays from an ultraviolet lamp and discharged to the filtered water flow path 7.
- separate equipment for killing microorganisms in the water is provided separately from the filtration water flow path separately from the filtration, but it is often difficult to secure the installation floor area on the ship. According to this configuration, it is possible to kill microorganisms by the ultraviolet lamp simultaneously with the filtration without increasing the installation floor area.
- FIG. 5A, FIG. 5B, and FIG. 5C show the configuration of the ultraviolet irradiation unit.
- 5A is a top view
- FIG. 5B is a front view
- FIG. 5C is a side view.
- the ultraviolet irradiation unit shown in FIGS. 5A to 5C has the same configuration as the ultraviolet irradiation unit that has been conventionally used separately from the filtration.
- the flange 230 is a flange for connection with the upper and lower pipes.
- a horizontal cylindrical ultraviolet irradiation chamber 220 is provided in a pipe portion sandwiched between the upper and lower flanges 230, and a plurality of ultraviolet lamps 210 are incorporated therein.
- Such a configuration is relatively easy to manufacture, but the use efficiency of ultraviolet rays is inferior because the vicinity of both end portions of the ultraviolet lamp 210 is located in a portion deviated from the flow of filtered water.
- the improved structure is the ultraviolet irradiation part of FIGS. 6A, 6B and 6C.
- the ultraviolet irradiation chamber 220 is provided in the pipe with the flange 230 as a pipe connecting portion, as in FIGS. 5A to 5C.
- the structure of the chamber 220 is characteristic.
- the chamber 220 has a structure in which at least two surfaces facing each other are flat, and the end of the ultraviolet lamp 210 is provided on the flat surface. Furthermore, it has a shape expanded from the pipe toward the ultraviolet mounting portion of the chamber 220 in a tapered shape.
- the ultraviolet lamp mounting portion is a prism, and is connected to the pipe with the tapered portion interposed therebetween.
- FIG. 7 shows a configuration in which a portion (referred to as a filtration processing unit) composed of the case 3 and the filter 1 etc. of the processing apparatus described in FIG.
- the upper filtration processing unit 10a and the lower filtration processing unit 10b are arranged vertically with the central pipe 4 in common.
- the fixing member and the like are not shown, and the configuration is schematically shown.
- the various configurations described above can be applied to the configurations of the respective filtration units 10a and 10b. Since the central pipe 4 is common, the filtered water is collected in the central pipe 4 by the respective water intake holes 41 and led out to the outside through the filtered water flow path 7.
- the to-be-processed water flow path 6 and the discharge flow path 8 are provided separately, but can also be made common.
- the piping can be efficiently arranged by sharing the filtered water flow path 7, it is not always necessary to share it, and various forms are possible.
- the electric motor 100 may be provided in each of the filtration units 10a and 10b.
- the shaft 101 of each electric motor 100 is connected to the central axis of the filter 1 as described above.
- the electric motor 100 is covered and accommodated by a motor cover 102 and is driven by electric power from the drive control unit 103.
- it is preferable that the rotation speed of this electric motor 100 is controlled according to the state of filtration.
- a filtered water detection unit 110 that detects the state of the filtered water is provided in the filtered water flow path 7, and information detected by the filtered water detection unit 110 is transmitted to the drive control unit 103.
- a turbidity detection unit 300 that detects the turbidity of treated water instead of filtered water may be provided in each treated water flow path 6 of the filtration units 10 a and 10 b.
- the rotation speed of the electric motor 100 can be controlled according to the turbidity state of the water to be treated. it can.
- FIG. 8 is a view showing a configuration example of a long nozzle opening as a marine ballast water treatment apparatus according to the present invention, schematically showing a configuration of a vertical cross section including an axis, and FIG. It is a figure which shows typically the structure of the horizontal cross section in alignment with the IX-IX line.
- the basic configuration is the same as in FIG. 1A, FIG. 1B, or FIG.
- the cylindrical filter 1 is disposed so as to surround an axis serving as a rotation center, and is rotatably attached around a central pipe 4 (the pipe 4 does not rotate) disposed at the center.
- the filter 1 is a pleated filter that is creased so as to repeat peaks and valleys in the radial direction of the cylinder.
- the pleat filter 1 has an outer diameter of 334 mm, an axial length of 200 mm, and a pleat depth of 75 mm.
- the upper and lower surfaces of the filter 1 are closed watertight.
- the rotatable mounting structure also needs to be a watertight structure, but a known structure is used without any particular limitation.
- a case 3 is provided so as to cover the entire filter 1.
- the case 3 includes an outer cylinder portion 31, a lid portion 32, and a bottom portion 33, and the discharge passage 8 is provided in the bottom portion 33.
- the outer diameter of the outer cylinder part 31 was 406 mm ⁇ .
- a treated water channel 6 and a treated water nozzle 2 are provided to introduce seawater as treated water into the case 3.
- the treated water nozzle 2 is extended from the treated water flow path 6 so that the nozzle port 21 is provided in the outer cylinder portion 31 of the case 3, so that the treated water flows out toward the outer peripheral surface of the filter 1. It is configured.
- the water nozzle 2 to be treated in FIG. 8 has a rectangular opening 21 as shown in FIG. That is, the opening has a substantially rectangular shape with a short side length of a and a long side length of b.
- the connection form of the opening and the water channel 6 to be treated may be a plurality of pipes as shown in FIG. 8 or a direct connection as shown in FIG.
- the long side length b is not particularly limited, but in order to effectively supply the water to be treated to the entire pleated filter 1, it should be approximately equal to ( ⁇ 10% or less) or more than the axial length of the pleated filter 1. Is preferred. In this example, an equal case is depicted.
- the short side length a will be described with reference to FIG. FIG.
- the short side length a is preferably 3 times or less (p ⁇ 3a), more preferably 2 times or less, more preferably p ⁇ a, in relation to the peaks and valleys of the pleated filter 1.
- a 8.3 mm
- b 200 mm
- p 5 mm.
- the pleat filter 1 is configured such that the shaft 101 of the electric motor 100 is connected to the filter central shaft and rotated. As a result, the rotational speed can be arbitrarily set and changed. This time, it was operated at a rotation speed of 50 rpm.
- the electric motor 100 is covered and accommodated by a motor cover 102 and is driven by electric power from the drive control unit 103 (FIG. 3). A part of the water to be treated is filtered by the filter 1, and the other part flows in the case 3 in the same direction as the rotation of the filter 1.
- the treated water that has made a round in the case 3 is blocked by the long nozzle (treated water nozzle 2) that also functions as the direction changing plate, and the flow direction is changed so as to generate pressure in the filter direction.
- a water flow is applied to the filter surface at a constant pressure substantially perpendicular to the surface, and the cleaning effect of the filter 1 can be obtained by such force.
- a high cleaning effect is obtained in combination with the filter surface being filtered by the water flow from the water nozzle 2 to be treated.
- the space is drawn wide in order to make the structure in the case 3 easy to understand, but it is needless to say that the wasteful space is actually configured with as little as possible.
- the water to be treated that is not filtered and the suspended matter that has settled in the case 3 are sequentially discharged from the discharge flow path 8 at the bottom of the case 3.
- a valve or the like is not shown in the discharge flow path 8, but equipment necessary for maintenance and flow rate adjustment can be provided.
- the filtered water filtered by the filter 1 is guided to the filtered water flow path 7 through the water intake hole 41 provided in the central pipe 4 inside the filter 1 and flows out of the case 3.
- FIG. 8 Another feature of the configuration example shown in FIG. 8 is that crossflow filtration is performed. That is, there is provided a mechanism for joining the untreated water discharged from the discharge flow path 8 to the treated water flow path 6 through the return flow path 81. Thereby, it becomes possible to improve the filtration efficiency as the whole treated water. In addition, it was confirmed that there is a ratio that can effectively secure the cleaning effect of the filter 1 while obtaining a large amount of filtered water by appropriately setting the return amount and the flow amount. This time, 30 ton / H (hours) is supplied as water to be treated, 20 ton / H is obtained as filtered water, and 8 ton / H of 10 ton / H discharged is returned to provide a cleaning effect. The amount of water was secured.
- a separate cleaning nozzle can be provided, which is effective in increasing the cleaning capability.
- the cleaning nozzle may be provided in the same manner as the cleaning nozzle 9 in FIG. 2, but it is possible to obtain a higher cleaning effect by making the nozzle opening a long opening.
- a rectangular opening similar to that of the water nozzle 2 to be treated shown in FIGS. 8 to 11 can be used.
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Abstract
Description
以上の構成において、濾過されなかった排出水の一部を被処理水として利用可能となる位置に戻すための流路を形成する戻し流路を備えることもできる。排出水を再度被処理水として利用すること自体は、クロスフローとも呼ばれる技術である。これを本発明の装置に適用することで、全体の処理効率を向上させることができる。
Claims (24)
- 軸線を囲むように円筒配置され、前記軸線を中心に回転自在に設けられたフィルタ(1)と、
前記フィルタ(1)の外周面に向けて被処理水を流出する被処理水ノズル(2)と、
前記フィルタ(1)を囲むように設けられ前記被処理水ノズル(2)のノズル口(21)を内部に備えた外筒部(31)を有するケース(3)と、
前記フィルタ(1)を透過した濾過水を前記フィルタ(1)の円筒内部から前記ケース(3)の外部へ導出する濾過水流路(7)と、
前記フィルタ(1)で濾過されなかった排出水を前記ケース(3)の外部へ排出する排出流路(8)と
を備えた船舶用バラスト水の処理装置。 - 前記被処理水ノズル(2)のノズル口(21)は、前記軸線方向を長辺方向とする長形開口である、請求項1に記載の船舶用バラスト水の処理装置。
- 前記長形開口の長辺長さが前記フィルタ(1)の軸線方向長さと略等しい、請求項2に記載の船舶用バラスト水の処理装置。
- 被処理水の円筒周方向の流れを円筒半径方向に変えるために、前記外筒部(31)内壁から円筒軸線方向に延設した方向変換板(5)をさらに備えた、請求項1に記載の船舶用バラスト水の処理装置。
- 前記フィルタ(1)は、円筒半径方向に折り曲げられたプリーツ形状を有するプリーツフィルタである、請求項1に記載の船舶用バラスト水の処理装置。
- 前記被処理水ノズル(2)のノズル口(21)は、前記軸線方向を長辺方向とする長形開口であり、
前記長形開口の短辺長さが、前記プリーツフィルタ(1)のプリーツ間隔の3倍未満である、請求項5に記載の船舶用バラスト水の処理装置。 - 前記フィルタ(1)が前記被処理水ノズル(2)から流出される被処理水の圧力によって回転するように構成されている、請求項1に記載の船舶用バラスト水の処理装置。
- 前記フィルタ(1)を回転させるための電動モータ(100)をさらに備えた、請求項1に記載の船舶用バラスト水の処理装置。
- 前記被処理水の濁度を検出する濁度検出部(300)をさらに備え、
前記濁度検出部(300)の出力に応じて前記電動モータ(100)の回転数を変化させるように構成されている、請求項8に記載の船舶用バラスト水の処理装置。 - 前記濾過水の流量を検出する濾過水流量検出部(110)をさらに備え、
前記濾過水流量検出部(110)の出力に応じて前記電動モータ(100)の回転数を変化させるように構成されている、請求項8に記載の船舶用バラスト水の処理装置。 - 前記濾過水の圧力を検出する濾過水圧力検出部(110)をさらに備え、
前記濾過水圧力検出部(110)の出力に応じて前記電動モータ(100)の回転数を変化させるように構成されている、請求項8に記載の船舶用バラスト水の処理装置。 - 前記フィルタ(1)の回転数が、20rpm以上150rpm以下である、請求項1に記載の船舶用バラスト水の処理装置。
- 前記フィルタ(1)の前記外周面に向けて洗浄水を流出する洗浄水ノズル(9)をさらに備え、前記洗浄水ノズル(9)のノズル口(91)は、前記軸線方向を長辺方向とする長形開口である、請求項1に記載の船舶用バラスト水の処理装置。
- 前記排出水の一部を被処理水として利用可能となる位置に戻すための戻し流路(81)をさらに備えた、請求項1に記載の船舶用バラスト水の処理装置。
- 前記ケース(3)内に濾過水に紫外線を照射する紫外線ランプ(210)をさらに備えた、請求項1に記載の船舶用バラスト水の処理装置。
- 軸線を囲むように円筒配置され、前記軸線を中心に回転自在に設けられたフィルタ(1)と、前記フィルタ(1)の外周面に向けて被処理水を流出する被処理水ノズル(2)とを有する濾過処理ユニットを複数備え、
前記複数の濾過処理ユニットが、前記軸線を同軸として縦型に配置され、
前記複数の濾過処理ユニットの各々の前記フィルタ(1)内部から濾過水を導出する共通の濾過水流路(7)が設けられている、船舶用バラスト水の処理装置。 - 前記複数の濾過処理ユニットのそれぞれは電動モータ(100)を含み、前記電動モータ(100)は前記フィルタ(1)を回転させるために前記フィルタ(1)に連結された軸(101)を有する、請求項16に記載の船舶用バラスト水の処理装置。
- 前記被処理水の濁度を検出する濁度検出部(300)をさらに備え、
前記濁度検出部(300)の出力に応じて前記電動モータ(100)の回転数を変化させるように構成されている、請求項16に記載の船舶用バラスト水の処理装置。 - 前記濾過水の流量を検出する濾過水流量検出部(110)をさらに備え、
前記濾過水流量検出部(110)の出力に応じて前記電動モータ(100)の回転数を変化させるように構成されている、請求項16に記載の船舶用バラスト水の処理装置。 - 前記濾過水の圧力を検出する濾過水圧力検出部(110)をさらに備え、
前記濾過水圧力検出部(110)の出力に応じて前記電動モータ(100)の回転数を変化させるように構成されている、請求項16に記載の船舶用バラスト水の処理装置。 - 軸線を囲むように円筒配置され前記軸線を中心に回転自在に設けられたフィルタ(1)の外周面に向けて、被処理水ノズル(2)を通じて被処理水を流出する工程と、
前記フィルタ(1)を透過した濾過水を前記フィルタ(1)の円筒内部から濾過水流路(7)を通じて外部へ導出する工程と、
前記フィルタ(1)で濾過されなかった排出水を排出流路(8)を通じて外部へ排出する工程とを備えた船舶用バラスト水の処理方法。 - 前記被処理水を流出する前記工程は、前記フィルタ(1)の前記軸線方向の幅全体に亘って被処理水を流出する工程である、請求項21に記載の船舶用バラスト水の処理方法。
- 前記フィルタ(1)は、円筒半径方向に折り曲げられたプリーツ形状を有するプリーツフィルタであり、前記プリーツフィルタ(1)は電動モータ(100)により回転され、
前記被処理水ノズル(2)のノズル口(21)は前記軸線方向を長辺方向とする長形開口であり、前記長形開口の長辺長さが前記プリーツフィルタ(1)の軸線方向長さと略等しく、前記長形開口の短辺長さが、前記プリーツフィルタ(1)のプリーツ間隔の3倍未満に構成されている、
請求項21に記載の船舶用バラスト水の処理方法。 - 前記排出水の一部を被処理水として利用可能となる位置に戻す工程をさらに備えた、請求項21に記載の船舶用バラスト水の処理方法。
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US13/580,175 US9511310B2 (en) | 2010-02-25 | 2011-02-16 | Device and method for treating ballast water for ship |
CN201180010387.3A CN102762271B (zh) | 2010-02-25 | 2011-02-16 | 用于船舶的压载水处理装置及处理方法 |
KR1020127020781A KR20120131158A (ko) | 2010-02-25 | 2011-02-16 | 선박용 밸러스트수의 처리 장치 및 처리 방법 |
EP11747224.1A EP2540369B1 (en) | 2010-02-25 | 2011-02-16 | Ship having a device for treating ballast water |
KR1020177011989A KR20170049644A (ko) | 2010-02-25 | 2011-02-16 | 선박용 밸러스트수의 처리 장치 및 처리 방법 |
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CN116531813A (zh) * | 2023-07-07 | 2023-08-04 | 云南田野橡胶集团有限公司 | 一种橡胶废水过滤设备 |
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Also Published As
Publication number | Publication date |
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KR20120131158A (ko) | 2012-12-04 |
CN102762271A (zh) | 2012-10-31 |
US20120312757A1 (en) | 2012-12-13 |
US9511310B2 (en) | 2016-12-06 |
EP2540369A4 (en) | 2013-10-02 |
DK2591839T3 (en) | 2017-10-30 |
JP4835785B2 (ja) | 2011-12-14 |
EP2540369B1 (en) | 2018-08-15 |
KR20170049644A (ko) | 2017-05-10 |
EP2540369A1 (en) | 2013-01-02 |
JP2011194396A (ja) | 2011-10-06 |
EP2591839A3 (en) | 2013-08-21 |
EP2591839A2 (en) | 2013-05-15 |
EP2591839B1 (en) | 2017-07-19 |
CN102762271B (zh) | 2016-05-18 |
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