WO2022239298A1 - 凝集サイクロン装置、それを用いた海洋プラスチック除去システム及びそのシステムを搭載した船舶並びにその船舶の運航方法 - Google Patents
凝集サイクロン装置、それを用いた海洋プラスチック除去システム及びそのシステムを搭載した船舶並びにその船舶の運航方法 Download PDFInfo
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- WO2022239298A1 WO2022239298A1 PCT/JP2022/001157 JP2022001157W WO2022239298A1 WO 2022239298 A1 WO2022239298 A1 WO 2022239298A1 JP 2022001157 W JP2022001157 W JP 2022001157W WO 2022239298 A1 WO2022239298 A1 WO 2022239298A1
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- marine
- cyclone device
- floc
- cyclone
- outer shell
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Images
Classifications
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- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
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- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
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- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
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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
- B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water
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- 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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- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
- C02F1/482—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets located on the outer wall of the treatment device, i.e. not in contact with the liquid to be treated, e.g. detachable
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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
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- C—CHEMISTRY; METALLURGY
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/30—Details of magnetic or electrostatic separation for use in or with vehicles
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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
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
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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
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Definitions
- the present invention provides a coagulation cyclone device that removes microplastics from ballast water after recovering large plastics by centrifugal force and magnetic force, a marine plastic removal system that purifies ballast water using the coagulation cyclone device, and the system. It relates to a ship on which it is mounted and a method of operating the ship.
- Plastic discarded in the ocean has become a global marine pollution problem. About 90% of the plastics in the ocean are said to be caused by microplastics discharged from washing machines into the sea through sewage, dust generated by the wear of tires while driving, and dust in cities. Other plastics are also finely decomposed by ultraviolet light, fluid force, etc., and become microplastics with a size of several tens of microns to several millimeters. It has been reported that aquatic organisms such as fish and marine organisms mistakenly take in plastics and microplastics drifting in the ocean as food and die as a result.
- Patent Literature 1 discloses a cyclone-type coagulation cyclone device that attracts magnetic floc by placing an electromagnet at a position opposed to the flow of fluid entering the cyclone.
- Patent Literature 2 discloses a structure in which a cyclone has a double-tube structure to prevent coarse dust from rising along with an ascending air current.
- Patent Literature 3 discloses a system in which water quality inspection is performed in a ballast water treatment system, and ballast water treatment is performed again when the inspection result does not satisfy the ballast water discharge regulation value.
- Patent Literature 4 discloses a method of generating a planned route that reduces the occurrence of matching relationships between ships while maintaining economic efficiency when selecting a route.
- JP 2017-176906 A Japanese Patent No. 3569915 Japanese Patent No. 5945309 JP 2018-073074 A
- Patent Document 1 suspended substances in raw water are aggregated together with magnetic substances such as magnetite to form flocs, and the fluid containing the flocs is separated from the water and flocs by centrifugal force and magnetic force in a liquid cyclone. is doing.
- the electromagnets are arranged facing the flow direction of the fluid, the flocs rush toward the poles exhibiting the maximum magnetic force, and the flocs are attracted to the outer wall of the cyclone by the magnetic force of the electromagnets. It happens that it sticks. Therefore, the electromagnet is turned off and no current is applied to create a state in which no magnetic force is generated.
- the floc leaves the outer wall of the cyclone, moves with the flow, and is discharged from the downstream outlet.
- Met there is a problem that the fixed flock is broken by fluid force acting in a direction perpendicular to the magnetic force.
- the flow speed is high around the lower outlet of the upstream outlet, turbulence energy is high, and there is also a problem that flocs are broken around the lower outlet.
- Patent Document 2 discloses a cyclone with double tubes to prevent dust from rising on an ascending air current, but there was a problem that the flocs were destroyed by the ascending air current.
- Patent Document 3 as a ballast water purification system, ballast water is treated with a coagulation cyclone while monitoring water quality.
- a ballast water purification system ballast water is treated with a coagulation cyclone while monitoring water quality.
- Patent Document 4 acquires and accumulates the most recent route information of a plurality of other ships that takes into account the influence of ocean currents in the passage area of a specific ship, and generates efficient planned route information based on the route information. was However, the marine pollution of discarded plastic was not considered.
- the present invention does not destroy flocs when collecting flocs, which are agglomerates of magnetic substances such as magnetite and substances floating in fluids such as bioplankton and microplastics, by centrifugal force and magnetic force.
- An object of the present invention is to provide a low-cost, small-sized recovery device.
- plastics floating in the ocean are collected by a collection mechanism consisting of mesh filters of any size.
- Microplastics with a size of several millimeters or less that cannot be collected by the collection mechanism are collected by a coagulation cyclone device.
- a slit mechanism is provided near the ballast water intake, and the slit shears the plastic to prevent clogging in the pipe through which the ballast water flows.
- satellite information can be used to discover sea areas where large amounts of plastic are floating, and considering the originally planned route and the current position of the ship, large amounts of marine plastic can be recovered in a short period of time. Decide the optimal route and collect marine plastics in areas where there are large amounts of plastics.
- the coagulation cyclone apparatus of the present invention comprises an inverted truncated cone-shaped outer shell for spirally rotating a fluid containing flocs having a magnetic material flowed inside; A cylindrical portion arranged so as to pass upward in the central portion, a dish-shaped inner shell installed inside the outer shell and surrounding the lower portion of the cylindrical portion, and an outer side surface of the outer shell and a magnet, wherein the fluid between the cylindrical portion and the inner shell is discharged by an upward flow generated in the cylindrical portion, and the magnet causes the flow between the outer shell and the inner shell. It is characterized in that the induced flocs exit from the lower end of the shell.
- the coagulation cyclone device is characterized in that the cylindrical portion is connected to the inner shell by intermittently arranging a plurality of fixing members.
- the coagulation cyclone device is characterized in that the magnet is attached with a magnetic shield for suppressing horizontal magnetic force.
- the coagulation cyclone apparatus is characterized in that the magnets are arranged so that the flocs are guided along the spiral flow.
- the marine plastic removal system of the present invention is a system for purifying ballast water using the coagulation cyclone device, in which large plastics floating in the sea are collected by a collection mechanism and are not collected by the collection mechanism. characterized in that the collected microplastics are recovered by the agglomeration cyclone device.
- the marine plastic removal system is characterized in that large plastic floating in the ocean is destroyed by a slit mechanism and recovered by the recovery mechanism.
- a ship according to the present invention is characterized by being equipped with the above system.
- the navigation method of the present invention is such that the ship receives marine traffic information collected from base stations, marine plastic pollution information collected from satellites, originally planned route information, weather information, ocean current information, and navigation It is characterized in that planned route information generated based on the geographical information of the route is received from the planned route information center and operated based on the planned route information.
- the flocs when collecting flocs that aggregate magnetic substances such as magnetite and substances floating in fluids such as bioplankton and microplastics by centrifugal force and magnetic force, the flocs are not destroyed at a low cost. can provide a compact recovery device.
- FIG. 1 is a perspective view of a coagulating cyclone device of the present invention showing fluid flow;
- FIG. 1 is an example of a configuration diagram of the inside of a coagulation cyclone device of the present invention.
- FIG. 1 is an exploded view of the interior of a coagulating cyclone device of the present invention;
- FIG. 1 is an example of a marine plastic removal system using the coagulation cyclone device of the present invention. It is an example of a method of operating a ship equipped with a marine plastic removal system using the coagulation cyclone device of the present invention.
- 1 is an example of a marine plastic removal system using the coagulation cyclone device of the present invention. It is an example of the operation method of the marine plastic removal system using the coagulation cyclone device of the present invention.
- Ships such as cargo ships take seawater and freshwater into tanks as ballast water when they leave the port with no cargo, and discharge the ballast water overboard at the port where cargo is loaded to balance the weight. If the water contains marine organisms such as marine plastics and plankton, it is desirable to remove them because they cause pollution problems when discharging ballast water.
- ballast water When purifying ballast water, large plastics drifting in the ocean are shredded into small pieces by a slit mechanism so as not to clog the pipes, and then collected by a collection mechanism using a mesh filter. Microplastics of several millimeters are aggregated with magnetic powder such as magnetite to form magnetic flocs, which are collected by centrifugal force and magnetic force.
- the flocs are destroyed by turbulent energy, so the flocs are circulated inside the cyclone at a low flow velocity so that they are not destroyed by the turbulent energy. At low speeds, the flocs are less likely to move around the outer shell of the cyclone due to less centrifugal force.
- a magnet is placed near the outside of the cyclone to attract the flocs near the outer shell by magnetic force. Furthermore, by providing an inner shell inside the cyclone in order to protect the flocs from a region of high turbulence energy around the point where the updraft is generated, the flocs are not affected by the updraft and are destroyed. recovered without any damage.
- FIG. 1 shows an embodiment of the coagulation cyclone device of the present invention.
- the coagulation cyclone device consists of an outer shell 1 of a magnetic cyclone 9 which is a tapered, tapered inverted truncated cone-shaped hollow container, and a cylindrical part 3 which is vertically arranged in the central part of the outer shell 1 so as to pass upward. and an inner shell 4 installed inside the outer shell 1 and below the cylindrical portion 3 .
- the cylindrical portion 3 has a lower inlet 3a and an upper outlet 3b, and a dish-shaped inner shell 4 having an inverted truncated cone is fixed to the lower inlet 3a by a columnar fixing member 3c to surround the lower portion. It is covered from the sides to the bottom.
- the fluid 10 including the flocs 11a flows into the magnetic cyclone 9 from the inlet 7 provided in the upper side surface of the outer shell 1 and into the cylindrical portion 3 in the vertical direction.
- the fluid 10 includes a flow 10a of flocs 11a and a flow 10b of water or the like.
- the fluid 10 spirally rotates inside the outer shell 1 and around the cylindrical portion 3 and moves downward while gradually reducing its diameter according to the shape of the outer shell 1 .
- the flocs 11a also flow in the outer shell 1 and around the cylindrical portion 3 in a helical manner riding on the flow 10a.
- the side surface of the inner shell 4 is inclined at the same angle as the inverted truncated cone of the outer shell 1 to secure a gap between the outer shell 1 and the inner shell 4.
- the floc 11a enters between the outer shell 1 and the inner shell 4 due to centrifugal force and the magnetic force of the magnet 5a such as a permanent magnet, and is moved by gravity to the lower portion of the cylindrical portion 2 provided at the lower end of the outer shell 1.
- the floc 11b is discharged from the outflow port 2a.
- the flow 10b of the water or the like flows from the bottom surface 4a of the inner shell 4 to the lower inlet 3a of the cylindrical portion 3. It is discharged along with an upward flow 8 generated toward the upper outlet port 3b.
- the flocs 11a may be destroyed against the flow 10a, and the flocs 11a may also be destroyed by the flow 10b sucked into the cylindrical portion 3. Therefore, the flow 10a of the flocs 11a should be guided outside the inner shell 4 toward the outer shell 1 side.
- a magnet 5a is arranged in a direction perpendicular to the flow 10a of the flocs 11a in the vicinity of the middle portion of the outer side surface of the outer shell 1.
- a plurality of magnets 5a (for example, two or four) may be arranged at predetermined intervals.
- a magnetic shield 5b is arranged on the side surface of the magnet 5a so as to prevent the magnetic force from acting in the horizontal direction.
- the magnetic shield 5b may be omitted.
- the magnet 5a should just guide the flock 11a with the magnetic force of the upper side, and since the magnetic cyclone 9 is tapered downward, the magnetic effect on the lower side of the vertically arranged magnet 5a is weakened, and the cylindrical portion 2 The flow 10a of the flocs 11a toward the lower outflow port 2a is not obstructed.
- Fig. 2 is a perspective view of the coagulation cyclone device of the present invention.
- a fluid 20 containing flocs that aggregate microplastics, plankton, etc., and magnetic substances such as magnetite flows inside the hollow outer shell 1 of the inverted truncated cone of the magnetic cyclone 9 and around the cylindrical portion 3 .
- the floc flows between the outer shell 1 and the dish-shaped inner shell 4 of an inverted truncated cone by the magnetic force of the magnet 5a, and flows toward the lower outlet 2a of the cylindrical portion 2. As shown in FIG.
- Water or the like that does not contain floating matter such as flocs flows into between the inner shell 4 and the cylindrical portion 3, rises from the periphery of the bottom surface 4a in the shape of an inverted truncated cone from the lower inlet 3a of the cylindrical portion 3, and reaches the upper portion. It is discharged from the outflow port 3b.
- the bottom outlet 3a and the bottom surface 4a of the inner shell 4 are fixed by a columnar fixing member 3c. Since there is a gap between the columnar fixing members 3c, an upward flow 20a can be generated.
- Fig. 3 is an assembly diagram of the cylindrical part 3 and the inner shell 4 in the shape of an inverted truncated cone arranged in the central part inside the magnetic cyclone 9 in the coagulation cyclone device of the present invention.
- the cylindrical portion 3 has a vertical cylindrical shape and has an upper outlet port 3b and a lower inlet port 3a. In order to secure a gap for feeding into the portion 3, they are connected by a plurality of intermittently arranged columnar fixing members 3c.
- Fig. 4 is an exploded view of the cylindrical part 3 and the inner shell 4 in the shape of an inverted truncated cone arranged in the central part inside the magnetic cyclone 9 in the coagulation cyclone device of the present invention.
- a columnar fixing member 3 c is connected to the lower portion of the cylindrical portion 3 .
- the inner shell 4 is open at the top, tapered to a tapered shape, and connected at the bottom with a disk-shaped bottom surface 4 .
- Fig. 5 shows another embodiment of the coagulation cyclone device of the present invention. Since the magnetic cyclone 9 is inclined up to the upper part of the outer shell 1, a force directed obliquely upward acts on the fluid, which may reduce the efficiency.
- the magnetic cyclone 29 is composed of an upper cylindrical outer shell 21a and a lower outer shell 21b having an inverted truncated cone shape.
- a cylindrical portion 23 is arranged in the central portion of the cylindrical outer shell 21a and the inverted truncated cone-shaped outer shell 21b.
- the cylindrical portion 23 has an upper outlet 23b and a lower inlet 23a.
- the lower inlet port 23a is fixed to the bottom surface 24a of the inner shell 24 having an inverted truncated cone shape and a columnar fixing member 23c.
- an upward flow 28 is generated from the lower inlet port 23a into the cylindrical portion 23 toward the upper outlet port 23b.
- a flow 30b such as water is discharged along the upward flow 28 toward the upper outlet 23b.
- Magnets 25a and 26a such as permanent magnets, are arranged in the vicinity of the outer side surface of the reverse truncated cone-shaped outer shell 21b in a direction perpendicular to the flow 30a of the flock 31a.
- the magnets 25a and 26a may be arranged and the magnitude of the magnetic force may be adjusted so that the floc 31a moves along the spiral flow 30a. For example, if the position of the magnet 25a is high and a magnet with a large magnetic force is used, the efficiency will be improved.
- Magnetic shields 25b and 26b are attached to the sides of the magnets 25a and 26a to suppress the magnetic force from acting in the horizontal direction. If the horizontal magnetic force of the magnet 25a does not hinder the flow 30a of the flocs 31a toward the lower outlet 22a of the cylindrical portion 22, the magnetic shields 25b and 26b may be omitted.
- the flow 30a of the floc 31a becomes a flow 31b between the outer shell 21b and the inner shell 24, without being affected by the upward flow 28. It moves toward the lower outlet 22a under the influence of gravity.
- Fig. 6 shows an example of a configuration diagram of a marine plastic removal system using the coagulation cyclone device of the present invention.
- a slit mechanism in which blades for shredding large plastic pieces are intermittently arranged vertically, horizontally, or diagonally in a slit shape is installed at the ballast water intake. may be placed in Large plastics floating in the ocean are destroyed and collected by a slit mechanism, and microplastics that cannot be destroyed by the slit mechanism are collected by the coagulation cyclone device (aggregation magnetic separation system).
- An appropriate amount of magnetite is put in and stirred with a stirrer 43 in a rapid stirrer 42 to form microflocs.
- the order in which the coagulant such as the inorganic coagulant and the magnetite are added is arbitrary, and they may be added at the same time.
- an organic coagulant such as a polymer is added from the polymer storage tank 46 and stirred by the stirrer 45 in the slow stirring device 44 to form flocs 59 with a size of several hundred microns to several millimeters.
- the magnetic cyclone 50 separates the fluid 52 containing the flocs 59 and the fluid 51 not containing the flocs 59 by centrifugal force and magnetic force.
- Fig. 7 shows an embodiment of a recovery mechanism for large plastics of several millimeters or more when the coagulation cyclone device of the present invention is mounted on a ship.
- a fluid 73 such as seawater containing plastic 77 with a size of several millimeters or more is sucked by a ballast pump 72 and passed through an endless belt filter 70 made of a filter of arbitrary mesh size.
- An endless belt filter 70 made of a filter of arbitrary mesh size rotates 78 continuously between rollers 71a and 71b.
- the endless belt filter 70 holds and moves the plastic 77 as the plastic-containing fluid 73 passes between the rollers 71a and 71b.
- the plastic 77 is separated by a scraper 75 pressed against the endless belt filter 70 and placed in a floc collection tank 76 . If the floc recovery tank 76 has a heat source, it may evaporate water from the flocs.
- Fluid 73 from which the plastic 77 having a size of several millimeters or more is removed flows into the pipe 74 .
- Fluid 73 contains fine suspended matter such as microplastics and plankton, and is sent to agglomeration magnetic separation system 55 described above.
- FIG. 8 shows an embodiment of a marine plastic removal system using the coagulation cyclone device of the present invention.
- a marine plastic removal system 100 for purifying ballast water containing marine plastics and micro-plastics is installed in a vessel 110 and takes in seawater or freshwater with a pump 102 and protects the pump 102 by preventing large plastics from entering. is doing.
- the marine plastic removal system 100 includes a slit mechanism part 101 having a slit for breaking large plastics, etc., a pump 102 for supplying and draining seawater or fresh water, and large pieces such as broken plastics of several tens of millimeters or more.
- 105 a recovery tank 106 for removing and temporarily storing flocs containing microplastics and the like, and a control unit 108 for controlling each device and managing the whole by a computer or the like.
- the slit mechanism 101 is installed in order to cut a large piece of plastic into small pieces and prevent clogging in the pipe at the later stage.
- the coagulation cyclone device 105 may be a mechanism that combines a filter such as a ceramic filter with ozone or ultraviolet rays. Treated water is temporarily loaded in ballast tanks 107 .
- the control unit 108 acquires information from each device, temporarily or long-term stores the information as necessary, calculates the operating conditions of each device by calculating the information, and outputs the calculation result. At the same time, an operation signal is transmitted to each device.
- Fig. 9 shows an example of a method of operating a marine plastic removal system using the coagulation cyclone device of the present invention.
- An example of how a marine plastic removal system operates is how ships operate.
- the planned route information center 210 that manages the system includes a marine traffic information acquisition unit 202, a marine plastic pollution information collection unit 203, a geographical information collection unit 204, a planned route generation unit 205, and a planned route request reception unit 201. and planned route providing means 206 .
- the planned route request receiving means 201 receives a planned route request signal from the ship 220 via communication means.
- the marine traffic information acquisition means 202 collects the information of the automatic ship identification device collected from the base station (not shown).
- the marine plastic pollution information collecting means 203 collects information on the state of marine pollution by marine plastics etc. in the sea area collected by the satellite 200 .
- the geographical information acquisition means 204 acquires the geographical information of the operation route, such as the position of the own ship, the destination port, and the sea area between the two included in the planned route request signal.
- the planned route generation means 205 generates a planned route based on the information collected by the marine traffic information acquisition means 202 , the marine plastic pollution information collection means 203 , and the geographical information collection means 204 .
- a planned route is generated for efficiently collecting a large amount of waste in a short period of time.
- the planned route providing means 206 transmits the generated planned route through the communication means to the vessel 220 that requested the planned route.
- the ship 220 has a planned route request transmission means 221 and a planned route reception means 222, and has a ship steering means 223 that steers the vessel 223 by reflecting the results thereof.
- a planned route is requested to the planned route information center 210 via the transmitting means, and the vessel 220 is operated based on the planned route obtained from the planned route information center 210 via the receiving means.
- Work to remove marine pollution such as marine plastics
- the results of the work to remove marine pollution (removed sea area, amount of removed marine pollutants such as marine plastics, etc.) are sent to the planned route information center 210 .
- the Planned Route Information Center 210 transmits this information to public organizations such as the International Maritime Organization (IMO) and environmental protection groups.
- International organizations such as the International Maritime Organization and environmental groups will make this information public and develop strategies to combat marine pollution.
- the marine pollutants such as collected marine plastics are purchased as industrial waste by the governments and local governments of the ports of call, so that ships equipped with the marine plastic removal system can be used for marine cleaning in addition to transporting valuable materials such as oil. Take on the task of work.
- the flocs when collecting flocs that aggregate magnetic substances such as magnetite and substances floating in fluids such as bioplankton and microplastics by centrifugal force and magnetic force, the flocs are not destroyed at a low cost. can provide a compact recovery device.
- the present invention is not limited to these.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Ocean & Marine Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cyclones (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Description
2、22:円筒部
2a、22a:下部流出口
3、23:円筒部
3a、23a:下部流入口
3b、23b:上部流出口
3c、23c:固定部材
4、24:内殻
4a、24a:底面
5a、25a、26a:磁石
5b、25b、26b:磁気シールド
7、27:流入口
8、20a、28:上昇流
9、29、50:磁気サイクロン
10、20、30:流体
10a、10b、30a、30b、31b:流れ
11a、11b、31a:フロック
40:凝集剤貯留槽
41:マグネタイト溶液貯留槽
42:急速攪拌装置
44:緩速攪拌装置
43、45:攪拌器
46:ポリマー貯留槽
51、52:流体
55:凝集磁気分離システム
58、73:流体
59:フロック
70:エンドレスベルトフィルタ
71a、71b:ローラ
72:バラストポンプ
74:パイプ
75:スクレーパ
76:フロック回収槽
77:プラスチック
78:回転
100:海洋プラスチック除去システム
101:スリット機構部
102:ポンプ
103:回収機構部
104、106:回収槽
105:凝集サイクロン機構
107:バラストタンク
108:制御部
110:船舶
200:衛星
201:計画航路要求受信手段
202:海域交通情報収集手段
203:海洋プラスチック汚染情報収集手段
204:地理的情報収集手段
205:計画航路生成手段
206:計画航路提供手段
210:計画航路情報センター
220:船舶
221:計画航路要求送信手段
222:計画航路受信手段
223:操船手段
Claims (8)
- 流体内の浮遊物に磁性体と凝集剤を投入して凝集させた磁性を有するフロックを遠心力と磁気力で回収するサイクロン装置であって、
内部に流入させた前記フロックを含む流体を螺旋状に回転させる逆円錐台形状の外殻と、
前記外殻の中央部に上方へ抜けるように配置された円筒部と、
前記外殻の内側かつ前記円筒部の下部を囲うように設置された皿状の内殻と、
前記外殻の外部側面に配置された磁石と、を有し、
前記円筒部と前記内殻の間の流体は、前記円筒部内に発生させた上昇流にのせて排出し、前記磁石により前記外殻と前記内殻の間に流れを誘導したフロックは、前記外殻の下端から排出する、
ことを特徴とする凝集サイクロン装置。 - 前記円筒部は、複数の固定部材を間欠的に配置することで前記内殻と連結される、
ことを特徴とする請求項1に記載の凝集サイクロン装置。 - 前記磁石は、水平方向の磁気力を抑制するための磁気シールドが取り付けられる、
ことを特徴とする請求項1又は2に記載の凝集サイクロン装置。 - 前記磁石は、螺旋状の流れに沿ってフロックが誘導されるように配置される、
ことを特徴とする請求項1乃至3の何れか一に記載の凝集サイクロン装置。 - 請求項1乃至4の何れか一に記載の凝集サイクロン装置を用いてバラスト水を浄化するシステムであって、
海洋を浮遊する大型のプラスチックを回収機構で回収し、前記回収機構で回収されなかったマイクロプラスチックを前記凝集サイクロン装置で回収する、
ことを特徴とする海洋プラスチック除去システム。 - 海洋を浮遊する大型のプラスチックをスリット機構で破壊して前記回収機構で回収する、
ことを特徴とする請求項5に記載の海洋プラスチック除去システム。 - 請求項5又は6に記載のシステムを搭載した、
ことを特徴とする船舶。 - 請求項7に記載の船舶が、基地局から集められた海域交通情報、衛星から収集された海洋プラスチック汚染情報、当初計画されていた航路情報、気象情報、海流情報、及び運航経路の地理的情報をもとに生成された計画航路情報を計画航路情報センターから受信し、その計画航路情報に基づき運航される、
ことを特徴とする運航方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22807005.8A EP4338845A1 (en) | 2021-05-13 | 2022-01-14 | Flocculation cyclone device, marine plastic removal system using flocculation cyclone device, ship provided with marine plastic removal system using flocculation cyclone device, and operation method for ship provided with marine plastic removal system using flocculation cyclone device |
KR1020237036842A KR20230160393A (ko) | 2021-05-13 | 2022-01-14 | 응집 사이클론 장치, 그것을 이용한 해양 플라스틱 제거 시스템 및 그 시스템을 탑재한 선박 및 그 선박의 운항 방법 |
CN202280032296.8A CN117355376A (zh) | 2021-05-13 | 2022-01-14 | 絮凝旋流装置、使用该絮凝旋流装置的海洋塑料去除系统、设置有该系统的船及船的操作方法 |
US18/286,655 US20240189834A1 (en) | 2021-05-13 | 2022-01-14 | Flocculation Cyclone Device, Marine Plastic Removal System Using the Same, Ship Provided with the System, and Operation Method for the Ship |
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JP2021-081578 | 2021-05-13 | ||
JP2021081578A JP6948742B1 (ja) | 2021-05-13 | 2021-05-13 | 凝集サイクロン装置、それを用いた海洋プラスチック除去システム及びそのシステムを搭載した船舶並びにその船舶の運航方法 |
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US (1) | US20240189834A1 (ja) |
EP (1) | EP4338845A1 (ja) |
JP (1) | JP6948742B1 (ja) |
KR (1) | KR20230160393A (ja) |
CN (1) | CN117355376A (ja) |
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DE102022001154A1 (de) | 2022-04-01 | 2023-10-05 | Mitra Nikpay | Verfahren und Vorrichtung zur Abtrennung von Kunststoffpartikeln mit Magnetfilter |
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-
2021
- 2021-05-13 JP JP2021081578A patent/JP6948742B1/ja active Active
-
2022
- 2022-01-14 WO PCT/JP2022/001157 patent/WO2022239298A1/ja active Application Filing
- 2022-01-14 KR KR1020237036842A patent/KR20230160393A/ko unknown
- 2022-01-14 CN CN202280032296.8A patent/CN117355376A/zh active Pending
- 2022-01-14 EP EP22807005.8A patent/EP4338845A1/en active Pending
- 2022-01-14 US US18/286,655 patent/US20240189834A1/en active Pending
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US20240189834A1 (en) | 2024-06-13 |
EP4338845A1 (en) | 2024-03-20 |
KR20230160393A (ko) | 2023-11-23 |
JP2022175296A (ja) | 2022-11-25 |
CN117355376A (zh) | 2024-01-05 |
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