WO2024058060A1 - アンモニア処理システム、浮体 - Google Patents
アンモニア処理システム、浮体 Download PDFInfo
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- WO2024058060A1 WO2024058060A1 PCT/JP2023/032762 JP2023032762W WO2024058060A1 WO 2024058060 A1 WO2024058060 A1 WO 2024058060A1 JP 2023032762 W JP2023032762 W JP 2023032762W WO 2024058060 A1 WO2024058060 A1 WO 2024058060A1
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- water
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- gas
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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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
- B01D53/965—Regeneration, reactivation or recycling of reactants including an electrochemical process step
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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
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
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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
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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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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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
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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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/108—Halogens or halogen compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/103—Water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/103—Water
- B01D2252/1035—Sea water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2103/08—Seawater, e.g. for desalination
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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
- C02F2303/18—Removal of treatment agents after treatment
- C02F2303/185—The treatment agent being halogen or a halogenated compound
Definitions
- the present disclosure relates to an ammonia processing system, a floating body.
- This application claims priority to Japanese Patent Application No. 2022-146690, filed in Japan on September 15, 2022, the contents of which are incorporated herein by reference.
- Patent Document 1 discloses an ammonia gas abatement system that detoxifies ammonia gas leaked from a refrigerator unit before releasing it into the atmosphere.
- ammonia-containing gas is introduced into a closed space such as a scrubber or cooling tower, and is brought into sufficient contact with water to cause the ammonia component to be adsorbed by the water.
- carbon dioxide gas is supplied to the water that has absorbed the ammonia component, and after neutralizing the ammonia component and lowering the ammonia concentration, this water is brought into contact with the untreated gas again.
- the present disclosure has been made to solve the above problems, and aims to provide an ammonia treatment system and a floating body that can sufficiently remove ammonia from water containing ammonia.
- an ammonia treatment system includes an absorption tower, an ammonia component removal section, an ammonia water introduction line, and a first treated water supply line.
- the absorption tower has a casing, a gas introduction section, a water distribution section, and a drainage section.
- the gas introduction section introduces ammonia gas containing ammonia into the casing.
- the water sprinkling unit absorbs the ammonia and generates aqueous ammonia by sprinkling water from above inside the casing.
- the drainage section discharges the ammonia water from the lower part of the casing.
- the ammonia component removal section is provided outside the absorption tower.
- the ammonia component removing section removes an ammonia component contained in the ammonia water to generate treated water.
- the ammonia water introduction line introduces the ammonia water discharged from the drainage section into the ammonia component removal section.
- the first treated water supply line supplies the treated water generated by the ammonia component removal section to the water sprinkling section.
- a floating body according to the present disclosure includes a floating body body and an ammonia treatment system as described above.
- the ammonia treatment system is provided in the floating body.
- ammonia can be sufficiently removed from water containing ammonia.
- FIG. 1 is a side view of a floating body equipped with an ammonia treatment system according to an embodiment of the present disclosure.
- 1 is a diagram showing the configuration of an ammonia treatment system according to a first embodiment of the present disclosure. It is a diagram showing the configuration of an ammonia treatment system according to a second embodiment of the present disclosure.
- the floating body 1 of this embodiment includes a floating body main body 2, an upper structure 4, and an ammonia treatment system 10.
- the floating body 1 of this first embodiment will be explained by taking as an example a ship that can be navigated by a main engine or the like.
- the type of ship of the floating body 1 is not limited to a specific type of ship. Examples of the ship type of the floating body 1 include a liquefied gas carrier, a ferry, a RORO ship, a car carrier, and a passenger ship.
- the floating body 1 is a ship, but the floating body 1 is not limited to a ship, and may be an FSU (Floating Storage Unit), an FSRU (Floating Storage and Regasification Unit), etc. that cannot be navigated by a main engine etc. There may be.
- FSU Floating Storage Unit
- FSRU Floating Storage and Regasification Unit
- the floating body body 2 is formed to float on seawater.
- the floating body body 2 has a pair of sides 5A and 5B forming its outer shell and a bottom 6.
- the sides 5A and 5B include a pair of side outer plates forming port and starboard sides, respectively.
- the bottom 6 includes a bottom shell plate that connects these sides 5A and 5B.
- the outer shell of the floating body 2 has a U-shape in a cross section perpendicular to the bow and aft direction FA due to the pair of sides 5A, 5B and the bottom 6.
- the floating body body 2 further includes an upper deck 7, which is a full deck disposed at the uppermost layer.
- the superstructure 4 is formed on this upper deck 7. Inside the superstructure 4, living quarters and the like are provided.
- a cargo space (not shown) for loading cargo is provided closer to the bow 2a than the upper structure 4 in the bow and aft direction FA.
- the ammonia treatment system 10 is provided in the floating body body 2.
- the ammonia treatment system 10 is provided within the floating body 2.
- the ammonia treatment system 10 may be provided not only within the floating body body 2 but also at other locations, such as on the upper deck 7 of the floating body body 2, for example.
- the ammonia treatment system 10 purges ammonia-containing gas leaked from ammonia equipment that handles ammonia, or ammonia-containing gas discharged together with the inert gas by purging with an inert gas that does not react with ammonia. Remove.
- FIG. 2 is a diagram showing the configuration of an ammonia processing system according to the first embodiment of the present disclosure.
- the ammonia treatment system 10 of the first embodiment includes an absorption tower 20, a dilution tank 30, an ammonia water storage tank 40, an ammonia component removal section 50, an ammonia water introduction line 90, It includes at least a treated water supply line 100 and an external water introduction section 80.
- the absorption tower 20 includes a casing 21, a gas introduction section 22, a water spray section 23, a gas discharge section 24, and a drainage section 25.
- the casing 21 is formed into a cylindrical shape that extends in the vertical direction. In the lower part of the internal space 21s (inside the casing) of the casing 21, ammonia water that has absorbed the ammonia component contained in the ammonia gas G can be stored.
- the gas introduction part 22 is capable of introducing ammonia gas G containing at least an ammonia component into the casing 21.
- the gas introduction section 22 includes a gas supply line 221 and an on-off valve 222.
- One end of the gas supply line 221 is connected to a dilution tank 30, which will be described later.
- the other end of the gas supply line 221 is connected to the casing 21.
- One end of the gas supply line 221 is opened to the gas phase of the dilution tank 30, and the other end of the gas supply line 221 is opened to a position above the liquid level of the ammonia water in the internal space 21s of the casing 21. ing.
- the on-off valve 222 opens and closes the flow path within the gas supply line 221. By opening and closing the on-off valve 222, the introduction of the ammonia gas G into the casing 21 through the gas supply line 221 is interrupted.
- the gas supply line 221 introduces ammonia gas G, which has been diluted by the dilution tank 30 and has a reduced ammonia concentration, into the internal space 21s of the casing 21.
- the ammonia gas G introduced into the internal space 21s of the casing 21 from the gas supply line 221 of the gas introduction part 22 rises in the internal space 21s of the casing 21 from the bottom to the top.
- the water sprinkling unit 23 sprinkles water from the top inside the casing 21 to absorb ammonia contained in the ammonia gas G and generate ammonia water.
- the water spray section 23 includes a nozzle 232.
- a first treated water supply line 60 which will be described later, is connected to the nozzle 232.
- the nozzle 232 sprays water supplied from the first treated water supply line 60 from the upper part of the internal space 21s of the casing 21.
- the nozzle 232 sprays water into the internal space 21s of the casing 21 by jetting, dropping, spraying, or the like. This sprayed water moves downward through the internal space 21s of the casing 21 due to its own weight.
- the sprinkled water comes into contact with the ammonia gas G rising from the bottom to the top of the internal space 21s of the casing 21, and the ammonia component contained in the ammonia gas G. absorb. This produces ammonia water.
- the gas discharge section 24 is capable of discharging gas from the internal space 21s from the upper part of the casing 21.
- One end of a gas release line 241 is connected to the gas release section 24 .
- the other end (not shown) of the gas release line 241 can be connected to a funnel, a vent post, or the like.
- the gas discharge unit 24 discharges the gas from which the ammonia component has been removed by the water sprinkling, for example, to the atmosphere.
- the drainage part 25 discharges ammonia water from the lower part of the casing 21 to the outside of the casing 21.
- An ammonia water introduction line 90 which will be described later, is connected to the drainage section 25.
- the dilution tank 30 is capable of storing absorption water that absorbs ammonia.
- the dilution tank 30 dilutes the ammonia gas G introduced into the gas introduction section 22 of the absorption tower 20 in advance.
- the dilution tank 30 introduces ammonia gas G containing ammonia into the absorbed water to reduce the ammonia concentration of the ammonia gas G.
- An ammonia introduction line 31 is connected to the dilution tank 30.
- the ammonia introduction line 31 introduces ammonia gas G, which is sent out together with the inert gas when purging with the above-mentioned active gas, into the dilution tank 30.
- a mixing section 32 is provided in the middle of the ammonia introduction line 31.
- the mixing unit 32 mixes ammonia in the ammonia introduction line 31 with absorption water stored in the dilution tank 30 and capable of absorbing ammonia.
- the mixing section 32 of this embodiment includes a mixer 321, an absorption water supply line 322, and an absorption water circulation pump 323.
- Mixer 321 mixes ammonia gas G with absorbed water before being introduced into dilution tank 30 .
- the mixer 321 for example, an ejector or a microreactor can be used. By being mixed by the mixer 321 in this manner, the ammonia gas G is easily absorbed by the absorption water.
- the absorbed water supply line 322 supplies absorbed water from the dilution tank 30 to the mixer 321 .
- the absorption water circulation pump 323 sends out absorption water from the absorption water supply line 322 toward the mixer 321 .
- the mixed fluid mixed by the mixing section 32 is introduced into the dilution tank 30.
- a diffuser pipe 315 is provided at the outlet end of the ammonia introduction line 31 to release the gas contained in the mixed fluid as small bubbles.
- the aeration pipe 315 extends along the bottom of the dilution tank 30 within the liquid phase of the dilution tank 30 so that air bubbles contained in the mixed fluid discharged from the aeration pipe 315 spread throughout the absorbed water in the dilution tank 30. It has become.
- the ammonia gas G contained in the mixed fluid comes into contact with the absorbed water in the dilution tank 30, and the ammonia component contained in the ammonia gas G in the dilution tank 30 is easily absorbed by the absorbed water.
- a dilution gas introduction line 33 is connected to the dilution tank 30.
- the dilution gas introduction line 33 is capable of introducing a dilution gas into the gas phase of the dilution tank 30 to reduce the ammonia concentration in the gas phase.
- the dilution gas introduction line 33 is capable of adjusting the concentration of ammonia gas in the gas phase of the dilution tank 30.
- An example of the dilution gas is outside air.
- the dilution gas introduction line 33 is provided with a dilution fan 33f that can adjust the flow rate of the dilution gas sent to the gas phase of the dilution tank 30.
- an absorption water introduction line 35 that introduces absorption water from the outside is connected to the dilution tank 30.
- the other end of the absorbed water introduction line 35 is connected to a fresh water introduction line 36 and a second treated water supply line 70, which will be described later.
- the fresh water introduction line 36 supplies, for example, fresh water stored in the fresh water tank of the floating body body 2 as absorbed water.
- a gas supply line 221 is connected to the dilution tank 30.
- the gas supply line 221 leads out the gas (diluted ammonia gas G) in the gas phase of the dilution tank 30 from the dilution tank 30 and supplies it into the casing 21 .
- the gas supply line 221 is provided with a check valve 221v that prevents backflow of ammonia gas G from the casing 21 side.
- the gas introduction section 22 introduces ammonia gas G diluted in the dilution tank 30 into the casing 21 .
- a diluted absorption water discharge line 38 is connected to the dilution tank 30.
- the diluted absorption water discharge line 38 is capable of discharging the absorbed water from the dilution tank 30.
- One end of the dilution absorption water discharge line 38 is connected to the bottom of the dilution tank 30.
- the other end of the diluted absorption water discharge line 38 is connected to an ammonia water storage tank 40.
- the diluted absorption water discharge line 38 is capable of discharging absorbed water (ammonia water) that has absorbed ammonia in the dilution tank 30 to the ammonia water storage tank 40 .
- the ammonia water storage tank 40 is capable of storing ammonia water discharged from the drainage section 25 through the ammonia water introduction line 90 and absorbed water discharged from the dilution tank 30 through the diluted absorption water discharge line 38.
- a gas discharge line 41 is connected to the ammonia water storage tank 40.
- the other end of the gas discharge line 41 is connected to the middle of the gas supply line 221.
- the gas discharge line 41 is capable of feeding ammonia gas separated from the ammonia water (ammonia water, absorbed water) in the ammonia water storage tank 40 to the gas supply line 221.
- An on-off valve 42 is provided in the middle of the gas discharge line 41, and by opening and closing the on-off valve 42, the supply of ammonia gas from the gas phase of the ammonia water storage tank 40 to the gas supply line 221 can be interrupted. There is.
- the ammonia component removal section 50 is provided outside the absorption tower 20.
- the ammonia component removal unit 50 removes the ammonia component contained in ammonia water to generate treated water.
- the ammonia component removal section 50 removes the ammonia component contained in the ammonia water introduced from the ammonia water introduction line 90.
- the ammonia water introduction line 90 introduces the ammonia water discharged from the drainage section 25 into the ammonia component removal section 50.
- the ammonia water introduction line 90 includes an introduction line main body 91 and the ammonia water storage tank 40 provided in the middle of the introduction line main body 91.
- the introduction line main body 91 connects the drainage section 25 and the ammonia component removal section 50.
- the introduction line main body 91 has an introduction line upstream part 911 on the absorption tower 20 side with respect to the ammonia water storage tank 40, and an introduction line downstream part 912 on the ammonia component removal part 50 side with respect to the ammonia water storage tank 40. are doing.
- the introduction line upstream section 911 is provided between the drainage section 25 and the ammonia water storage tank 40.
- the introduction line downstream section 912 is provided between the ammonia water storage tank 40 and the ammonia component removal section 50.
- the ammonia component removal unit 50 removes the ammonia component contained in ammonia water using sodium hypochlorite obtained by subjecting seawater to electrolysis. For this reason, the ammonia treatment system 10 includes a water intake section 58.
- the water intake section 58 takes in seawater from the sea around which the floating body body 2 floats.
- the ammonia component removal section 50 includes an electrolysis section 51 and a denitrification reaction section 53.
- the electrolysis unit 51 generates a seawater electrolyte containing sodium hypochlorite by subjecting seawater taken from the water intake unit 58 to electrolysis. Specifically, the electrolysis unit 51 electrolyzes the seawater by disposing a positive electrode and a negative electrode (not shown) in the introduced seawater and applying a voltage between the positive electrode and the negative electrode. This electrolysis produces sodium hypochlorite from seawater.
- the denitrification reaction section 53 causes a mixture of ammonia water and the seawater electrolyte generated in the electrolysis section 51 to react.
- the denitrification reaction section 53 mixes and reacts the seawater electrolyte generated by electrolysis with ammonia water introduced from the ammonia water storage tank 40. More specifically, as shown in equation (1), the denitrification reaction section 53 converts ammonia (2NH 3 ) contained in aqueous ammonia and sodium hypochlorite (3NaClO) in a seawater electrolyte into an acidic state.
- the mixture is reacted in an environment of 100 mL to decompose into nitrogen (N 2 ), sodium chloride (3NaCl), and water (3H 2 O). 2NH3 + 3NaClO ⁇ N2 +3NaCl+ 3H2O ...(1)
- Nitrogen generated by the denitrification reaction in the denitrification reaction section 53 is released into the atmosphere through, for example, the funnel 8 extending from the upper deck 7.
- the sodium chloride and water generated by the denitrification reaction are discharged as treated water to the discharge section 59 connected to the ammonia component removal section 50.
- the discharge section 59 includes a discharge valve 59v, and by opening the discharge valve 59v, the treated water is discharged into the seawater around the floating body 2.
- the treated water supply line 100 supplies the treated water generated by the ammonia component removal section 50 to the absorption tower 20 and the dilution tank 30.
- the treated water supply line 100 includes a main supply line 101, a first treated water supply line 60, and a second treated water supply line 70.
- One end 101a of the main supply line 101 is connected to the ammonia component removal section 50.
- One end 60a of the first treated water supply line 60 and one end 70a of the second treated water supply line 70 are connected to the other end 101b of the main supply line 101.
- the treated water supply line 100 branches from the main supply line 101 into the first treated water supply line 60 and the second treated water supply line 70.
- a pump 102 is provided in the middle of the main supply line 101 to send the treated water generated in the ammonia component removal section 50 to the first treated water supply line 60 and the second treated water supply line 70.
- the discharge section 59 is provided downstream of the pump 102 and branched from the main supply line 101.
- the other end 60b of the first treated water supply line 60 is connected to the nozzle 232 of the water sprinkling section 23.
- the first treated water supply line 60 supplies the treated water generated by the ammonia component removal section 50 and sent out through the main supply line 101 to the nozzle 232 of the water sprinkling section 23 .
- a first on-off valve 61 is provided in the middle of the first treated water supply line 60. By opening and closing the first on-off valve 61, the supply of treated water from the main supply line 101 to the water sprinkling unit 23 through the first treated water supply line 60 can be interrupted.
- the other end 70b of the second treated water supply line 70 is connected to the absorbed water introduction line 35.
- the second treated water supply line 70 supplies the treated water generated by the ammonia component removing section 50 and sent out through the main supply line 101 to the dilution tank 30 via the absorbed water introduction line 35 as absorbed water.
- a second on-off valve 71 is provided in the middle of the second treated water supply line 70 . By opening and closing the second on-off valve 71, the supply of treated water from the main supply line 101 to the dilution tank 30 through the second treated water supply line 70 can be interrupted.
- the treated water generated by the ammonia component removal section 50 is passed through the main supply line 101 and the first treated water supply line 60 to the water sprinkling section 23. Can be supplied.
- the treated water supply line 100 by opening the second on-off valve 71, the treated water generated by the ammonia component removal section 50 is passed through the main supply line 101 and the second treated water supply line 70 to the dilution tank 30. Can be supplied as absorbed water.
- the external water introduction section 80 is capable of supplying water to the first treated water supply line 60 from the outside.
- the external water introduction section 80 includes an external water introduction line 81 and a third on-off valve 82.
- the external water introduction line 81 is connected to the middle of the first treated water supply line 60. Specifically, the external water introduction line 81 is connected to join the first treated water supply line 60 between the first on-off valve 61 and the water sprinkling section 23 .
- the external water introduction line 81 includes, for example, water (for example, fresh water) stored in a water tank (not shown) provided in the floating body body 2, or water taken in from outside the floating body (for example, seawater, etc.). is supplied.
- the third on-off valve 82 is provided in the middle of the external water introduction line 81. By opening and closing the third on-off valve 82, the introduction of water from the outside through the external water introduction line 81 into the first treated water supply line 60 can be interrupted.
- the ammonia treatment system 10 includes a water switching section 85.
- the water switching unit 85 can switch the water supplied to the water sprinkling unit 23 between the treated water supplied by the first treated water supply line 60 and the water introduced by the external water introduction unit 80.
- the water switching unit 85 of this embodiment is configured by the first on-off valve 61 and the third on-off valve 82 described above.
- treated water can be supplied from the first treated water supply line 60 to the water sprinkling section 23.
- water switching section 85 by closing the first on-off valve 61 and opening the third on-off valve 82, water supplied from the outside through the external water introduction line 81 can be supplied to the water sprinkling section 23. .
- the ammonia gas G introduced into the casing 21 from the gas introduction part 22 is sprayed with water from the upper part of the casing 21 by the water sprinkling part 23, so that the ammonia contained in the ammonia water is absorbed. .
- Ammonia water generated by absorbing ammonia is discharged from the lower part of the casing 21 by a drainage section 25.
- the ammonia water discharged from the drainage section 25 is introduced into the ammonia component removal section 50 provided outside the absorption tower 20 through an ammonia water introduction line 90.
- the ammonia component removal section removes the ammonia component contained in the introduced ammonia water to produce treated water.
- the treated water generated by the ammonia component removal section 50 is supplied to the water sprinkling section 23 of the absorption tower 20 through the first treated water supply line 60.
- the treated water generated by the ammonia component removal section 50 is supplied to the water sprinkling section 23 of the absorption tower 20 through the first treated water supply line 60.
- the ammonia water discharged from the drainage section 25 of the absorption tower 20 is stored in the ammonia water storage tank 40 through the introduction line main body 91. Thereafter, the ammonia water stored in the ammonia water storage tank 40 is introduced into the ammonia component removal section 50 provided outside the absorption tower 20 through the ammonia water introduction line 90.
- the ammonia water discharged from the drainage section 25 of the absorption tower 20 can be stored to some extent in the ammonia water storage tank 40 and then supplied to the ammonia component removal section 50. Therefore, there is no need to constantly operate the ammonia component removal section 50, and energy saving can be achieved.
- the ammonia gas G whose ammonia concentration is diluted is introduced into the casing 21 of the absorption tower 20 by introducing the ammonia gas G into the absorption water in the dilution tank 30. Accordingly, ammonia can be more efficiently absorbed into water in the absorption tower 20. Further, in the dilution tank 30, the treated water generated by the ammonia component removal section 50 is supplied as absorbed water through the second treated water supply line 70. Thereby, the treated water generated by the ammonia component removal section 50 is effectively utilized and used as absorption water in the dilution tank 30, so that the amount of water introduced from the outside can be suppressed.
- the seawater taken from the water intake section 58 is subjected to electrolysis in the electrolysis section 51 to generate a seawater electrolyte containing sodium hypochlorite, and the ammonia component removal section 50 generates a seawater electrolyte containing sodium hypochlorite.
- the ammonia component removal section 50 By reacting a mixture of ammonia water and the generated seawater electrolyte, a denitrification reaction occurs, and ammonia is removed from the ammonia water.
- seawater for ammonia removal especially when such an ammonia treatment system is installed on the floating body 1, it is only necessary to take seawater from the sea in which the floating body 1 floats, so that the ammonia treatment can be carried out.
- the sodium hypochlorite needed for this purpose can be easily obtained.
- water introduced from the outside through the external water introducing section 80 can be used as water to be supplied to the water sprinkling section 23.
- water sprinkling section 23 it is possible to increase the number of water options for sprinkling with the water sprinkling section 23.
- FIG. 3 is a diagram showing the configuration of an ammonia treatment system according to a second embodiment of the present disclosure.
- the ammonia treatment system 10B of the second embodiment includes an absorption tower 20, a dilution tank 30, an ammonia water storage tank 40, an ammonia component removal section 50, an ammonia water introduction line 90, It includes at least a treated water supply line 100B and a treated water storage tank 200. Note that this ammonia treatment system 10B does not include the external water introduction section 80 shown in the first embodiment.
- the treated water supply line 100B supplies the treated water generated by the ammonia component removal section 50 to the absorption tower 20 and the dilution tank 30.
- the treated water supply line 100B includes a main supply line 101B, a first treated water supply line 60, and a second treated water supply line 70.
- One end 101c of the main supply line 101B is connected to the ammonia component removal section 50.
- the other end 101d of the main supply line 101B is connected to one end 60a of the first treated water supply line 60 and one end 70a of the second treated water supply line 70.
- the treated water storage tank 200 is provided in the middle of the main supply line 101B.
- the treated water storage tank 200 stores the treated water generated by the ammonia component removal section 50.
- the treated water storage tank 200 functions as a so-called buffer tank that can temporarily store treated water.
- the main supply line 101B on the downstream side of the treated water storage tank 200 is provided with a pump 103 that sends the treated water stored in the treated water storage tank 200 to the first treated water supply line 60 and the second treated water supply line 70. It is being Fresh water or seawater can be poured into the treated water storage tank 200 exemplified in this second embodiment from inside or outside the floating body 1. With such a configuration that allows water injection, for example, when ammonia remains in the treated water stored in the treated water storage tank 200, it is possible to reduce the ammonia concentration of the treated water.
- the first treated water supply line 60 supplies the treated water stored in the treated water storage tank 200 to the water sprinkling section 23. Specifically, the first treated water supply line 60 supplies the treated water sent out by the pump 103 from the treated water storage tank 200 via the main supply line 101B to the water sprinkling section 23. Further, the second treated water supply line 70 supplies the treated water stored in the treated water storage tank 200 to the dilution tank 30. Specifically, the second treated water supply line 70 supplies the treated water sent out by the pump 103 from the treated water storage tank 200 via the main supply line 101B to the dilution tank 30.
- the ammonia component removal section 50 provided outside the absorption tower 20 removes the ammonia component contained in the ammonia water. It becomes possible to sufficiently remove ammonia from water containing water.
- the treated water generated in the ammonia component removal section 50 is stored in the treated water storage tank 200 and then supplied to the water sprinkling section 23 through the first treated water supply line 60.
- the influence of the production status of the treated water in the ammonia component removal section 50 can be suppressed, and the treated water can be stably supplied from the treated water storage tank 200 to the water sprinkling section 23.
- the treated water generated in the ammonia component removal section 50 is supplied to the water sprinkling section 23 and the dilution tank 30, but the present invention is not limited to this. It may also be supplied to other supply targets. Further, if sodium hypochlorite remains in the treated water generated by the ammonia component removal section 50, the treated water generated by the ammonia component removal section 50 is used to prevent marine products from adhering to the floating body 1.
- ammonia component removing section 50 is not limited to the one having the denitrification reaction section 53, but may be of any other type as appropriate, as long as it can remove the ammonia component contained in the ammonia water and generate treated water. may also be used.
- ammonia treatment systems 10 and 10B and the floating body 1 described in each embodiment are understood as follows, for example.
- the ammonia treatment system 10, 10B includes a casing 21, a gas introduction part 22 for introducing ammonia gas G containing ammonia into the casing 21, and water sprinkling from the upper part of the casing 21.
- an absorption tower 20 having a water spraying part 23 that absorbs the ammonia to produce ammonia water; and a drainage part 25 that discharges the ammonia water from the lower part of the casing 21; an ammonia component removal section 50 that removes ammonia components contained in ammonia water to generate treated water; and an ammonia water introduction line 90 that introduces the ammonia water discharged from the drainage section 25 to the ammonia component removal section 50.
- a first treated water supply line 60 that supplies the treated water generated by the ammonia component removal section 50 to the water sprinkling section 23.
- the ammonia gas G introduced into the casing 21 from the gas introduction part 22 is sprayed with water from the upper part of the casing 21 by the water sprinkling part 23.
- Ammonia contained in gas G is absorbed by water.
- Ammonia water generated by absorbing ammonia is discharged from the lower part of the casing 21 by a drainage section 25.
- the ammonia water discharged from the drainage section 25 is introduced into the ammonia component removal section 50 provided outside the absorption tower 20 through an ammonia water introduction line 90.
- the ammonia component removal section removes the ammonia component contained in the introduced ammonia water to generate treated water.
- the treated water generated by the ammonia component removal section 50 is supplied to the water sprinkling section 23 of the absorption tower 20 through the first treated water supply line 60.
- the treated water generated by the ammonia component removal section 50 is supplied to the water sprinkling section 23 of the absorption tower 20 through the first treated water supply line 60.
- the ammonia treatment system 10B according to the second aspect is the ammonia treatment system 10B of (1), and further includes a treated water storage tank 200 that stores the treated water generated in the ammonia component removal section 50.
- the first treated water supply line 60 supplies the treated water stored in the treated water storage tank 200 to the water sprinkling section 23 .
- the treated water generated in the ammonia component removal section 50 is stored in the treated water storage tank 200 and then supplied to the water sprinkling section 23 through the first treated water supply line 60.
- the influence of the production status of the treated water in the ammonia component removal section 50 can be suppressed, and the treated water can be stably supplied from the treated water storage tank 200 to the water sprinkling section 23.
- the ammonia treatment system 10, 10B according to the third aspect is the ammonia treatment system 10, 10B of (1) or (2), in which the ammonia water introduction line 90 is connected to the waste water of the absorption tower 20.
- the ammonia water discharged from the drainage section 25 of the absorption tower 20 is stored in the ammonia water storage tank 40 through the introduction line main body 91. Thereafter, the ammonia water stored in the ammonia water storage tank 40 is introduced into the ammonia component removal section 50 provided outside the absorption tower 20 through the ammonia water introduction line 90. By doing so, the ammonia water discharged from the drainage section 25 of the absorption tower 20 can be stored to some extent in the ammonia water storage tank 40 and then supplied to the ammonia component removal section 50. Therefore, there is no need to constantly operate the ammonia component removal section 50, and energy saving can be achieved.
- the ammonia treatment system 10, 10B according to the fourth aspect is the ammonia treatment system 10, 10B according to any one of (1) to (3), and is capable of storing absorbed water that absorbs ammonia.
- a dilution tank 30 that introduces ammonia gas G containing ammonia into the absorbed water to reduce the ammonia concentration of the ammonia gas G, and the treated water generated by the ammonia component removal section 50 as the absorbed water.
- It further includes a second treated water supply line 70 that supplies the dilution tank 30, and the gas introduction section 22 introduces the ammonia gas G diluted in the dilution tank 30 into the casing 21.
- ammonia gas G whose ammonia concentration has been diluted
- Ammonia can be absorbed more efficiently.
- the treated water generated by the ammonia component removal section 50 is supplied as absorbed water through the second treated water supply line 70.
- the treated water generated by the ammonia component removal section 50 is effectively utilized and used as absorption water in the dilution tank 30, so that the amount of water introduced from the outside can be suppressed.
- the ammonia treatment system 10, 10B according to the fifth aspect is the ammonia treatment system 10, 10B according to any one of (1) to (4), and further includes a water intake section 58 that takes in seawater
- the ammonia component removal section 50 includes an electrolysis section 51 that generates a seawater electrolyte containing sodium hypochlorite by subjecting the seawater taken in from the water intake section 58 to electrolysis, and an electrolysis section 51 that generates a seawater electrolyte containing sodium hypochlorite;
- a denitrification reaction section 53 is provided for reacting the mixed solution with the seawater electrolyte generated in the electrolysis section 51.
- seawater taken from the water intake section 58 is subjected to electrolysis to generate a seawater electrolyte containing sodium hypochlorite, and a mixture of this seawater electrolyte and aqueous ammonia is reacted to denitrify.
- a reaction can occur to remove ammonia from aqueous ammonia.
- ammonia can be removed using seawater, especially when such ammonia treatment systems 10 and 10B are installed on the floating body 1, it is only necessary to take seawater from the sea around the floating body 1. , the sodium hypochlorite required for ammonia treatment can be easily obtained.
- the ammonia treatment system 10 according to the sixth aspect is the ammonia treatment system 10 according to any one of (1) to (5), and includes an external water introduction section 80 that introduces water from the outside, and the water spraying section 80 that introduces water from the outside. a water switching unit 85 that allows water supplied to the unit 23 to be switched between the treated water supplied by the first treated water supply line 60 and the water introduced by the external water introduction unit 80; , further comprising. Thereby, water introduced from the outside through the external water introduction section 80 can be used as water to be supplied to the water sprinkling section 23 . Thereby, it is possible to increase the number of water options for sprinkling with the water sprinkling section 23.
- the floating body 1 according to the seventh aspect includes a floating body body 2 and any one of the ammonia treatment systems 10 and 10B of (1) to (6) provided in the floating body body 2. Thereby, it is possible to provide a floating body 1 equipped with ammonia treatment systems 10 and 10B that can sufficiently remove ammonia from water containing ammonia.
- ammonia can be sufficiently removed from water containing ammonia.
- Absorption water introduction line 36 ... Fresh water introduction line 38 ... Diluted absorption water discharge line 40 ... Ammonia water storage tank 41 ... Gas Discharge line 42...Opening/closing valve 50...Ammonia component removal section 51...Electrolysis section 53...Denitrification reaction section 58...Water intake section 59...Discharge section 60...First treated water supply line 60a...One end 60b...Other end 61...First On-off valve 70...Second treated water supply line 70a...One end 70b...Other end 71...Second on-off valve 80...External water introduction section 81...External water introduction line 82...Third on-off valve 85...Water switching section 90...Ammonia water Introduction line 91...
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Abstract
Description
本願は、2022年9月15日に日本に出願された特願2022-146690号について優先権を主張し、その内容をここに援用する。
特許文献1には、冷凍機ユニットから漏洩したアンモニアガスを、大気中に放出する前に無害化処理するアンモニアガスの除害システムが開示されている。この除害システムでは、アンモニアを含む気体を、スクラバやクーリングタワー等の閉鎖空間に導き、水に充分接触させることで、アンモニア成分を水に吸着させている。次いで、アンモニア成分を吸収した水に炭酸ガスを供給し、アンモニア成分を中和することによってアンモニア濃度を下げた後、再度、この水を未処理の気体と接触させている。
前記吸収塔は、ケーシング、ガス導入部、散水部、及び、排水部を有する。前記ガス導入部は、前記ケーシング内にアンモニアを含むアンモニアガスを導入する。前記散水部は、前記ケーシング内の上部から散水することで前記アンモニアを吸収してアンモニア水を生成する。前記排水部は、前記ケーシングの下部から前記アンモニア水を排出する。前記アンモニア成分除去部は、前記吸収塔の外部に設けられている。前記アンモニア成分除去部は、前記アンモニア水に含まれるアンモニア成分を除去して処理水を生成する。前記アンモニア水導入ラインは、前記排水部から排出された前記アンモニア水を前記アンモニア成分除去部へ導入させる。前記第一処理水供給ラインは、前記アンモニア成分除去部によって生成された前記処理水を前記散水部に供給する。
<第一実施形態>
(浮体の構成)
図1に示すように、この実施形態の浮体1は、浮体本体2と、上部構造4と、アンモニア処理システム10と、を備えている。なお、この第一実施形態の浮体1は、主機等により航行可能な船舶を一例として説明する。浮体1の船種は、特定の船種に限られない。浮体1の船種としては、液化ガス運搬船、フェリー、RORO船、自動車運搬船、客船等を例示できる。この第一実施形態では浮体1が船舶である場合について説明するが、浮体1は船舶に限られず、主機等による航行が不能なFSU(Floating Storage Unit)、FSRU(Floating Storage and Regasification Unit)等であってもよい。
アンモニア処理システム10は、浮体本体2に設けられている。この第一実施形態において、アンモニア処理システム10は、浮体本体2内に設けられている。アンモニア処理システム10は、浮体本体2内限らず、例えば、浮体本体2の上甲板7上等、他の場所に設けられていてもよい。
図2に示すように、この第一実施形態のアンモニア処理システム10は、吸収塔20と、希釈槽30と、アンモニア水貯留タンク40と、アンモニア成分除去部50と、アンモニア水導入ライン90と、処理水供給ライン100と、外部水導入部80と、を少なくとも備えている。
2NH3+3NaClO⇒N2+3NaCl+3H2O・・・(1)
外部水導入ライン81は、第一処理水供給ライン60の途中に接続されている。具体的には、外部水導入ライン81は、第一開閉弁61と散水部23との間の第一処理水供給ライン60の途中に合流接続されている。外部水導入ライン81には、例えば、浮体本体2内に設けられた水タンク(図示せず)に貯留された水(例えば、清水)、または浮体外部より取り入れられた水(例えば、海水等)が供給される。第三開閉弁82は、外部水導入ライン81の途中に設けられている。第三開閉弁82を開閉することで、外部水導入ライン81を通した外部からの水の第一処理水供給ライン60への導入を断続可能とされている。
上記第一実施形態では、ガス導入部22からケーシング21内に導入されたアンモニアガスGに対し、散水部23によりケーシング21内の上部から散水することで、アンモニア水に含まれるアンモニアが吸収される。アンモニアを吸収することで生成されたアンモニア水は、ケーシング21の下部から排水部25により排出される。排水部25から排出されたアンモニア水は、アンモニア水導入ライン90により、吸収塔20の外部に設けられたアンモニア成分除去部50に導入される。アンモニア成分除去部では、導入されたアンモニア水に含まれるアンモニア成分を除去し、処理水を生成する。アンモニア成分除去部50によって生成された処理水は、第一処理水供給ライン60により、吸収塔20の散水部23に供給される。
このように吸収塔20の外部に設けられたアンモニア成分除去部50で、アンモニア水に含まれるアンモニア成分を除去することで、アンモニアを含む水からアンモニアを十分に除去することが可能となる。
また、アンモニア成分を除去した処理水を、吸収塔20における散水に用いることで、外部から導入する水の量を抑え、アンモニア処理システム10を効率良く運用することができる。
次に、本開示の第二実施形態に係るアンモニア処理システムについて説明する。この第二実施形態は、第一実施形態と、処理水貯留タンク200を備える構成のみが異なるので、図1を援用し、第一実施形態と同一部分に同一符号を付して説明するとともに、重複説明を省略する。
図3は、本開示の第二実施形態に係るアンモニア処理システムの構成を示す図である。
図3に示すように、この第二実施形態のアンモニア処理システム10Bは、吸収塔20と、希釈槽30と、アンモニア水貯留タンク40と、アンモニア成分除去部50と、アンモニア水導入ライン90と、処理水供給ライン100Bと、処理水貯留タンク200と、を少なくとも備えている。なお、このアンモニア処理システム10Bは、第一実施形態で示した外部水導入部80を備えていない。
上記第二実施形態のアンモニア処理システム10Bでは、上記第一実施形態と同様、吸収塔20の外部に設けられたアンモニア成分除去部50で、アンモニア水に含まれるアンモニア成分を除去することで、アンモニアを含む水からアンモニアを十分に除去することが可能となる。
以上、本開示の実施の形態について図面を参照して詳述したが、具体的な構成は各実施形態に限られるものではなく、本開示の要旨を逸脱しない範囲の設計変更等も含まれる。
例えば、上記実施形態では、アンモニア成分除去部50で生成された処理水を、散水部23と、希釈槽30とに供給するようにしたが、これに限るものではなく、例えば、処理水を、その他の供給対象に供給するようにしてもよい。
また、アンモニア成分除去部50で生成された処理水に次亜塩素酸ソーダが残留している場合、アンモニア成分除去部50で生成された処理水を、浮体1における海洋生成物の付着を防止するために利用してもよい。
また、アンモニア成分除去部50は、アンモニア水に含まれるアンモニア成分を除去して処理水を生成することができるのであれば、脱窒素反応部53を有するものに限らず、適宜他の方式のものを用いてもよい。
各実施形態に記載のアンモニア処理システム10,10B、浮体1は、例えば以下のように把握される。
このようにして、吸収塔20の外部に設けられたアンモニア成分除去部50で、アンモニア水に含まれるアンモニア成分を除去することで、アンモニアを含む水からアンモニアを十分に除去することが可能となる。
また、アンモニア成分を除去した処理水を、吸収塔20における散水に用いることで、外部から導入する水の量を抑え、アンモニア処理システム10,10Bを効率良く運用することができる。
これにより、散水部23に供給する水として、外部水導入部80で外部から導入した水を利用可能となる。これにより、散水部23で散水するための水の選択肢を増やすことができる。
これにより、アンモニアを含む水からアンモニアを十分に除去することができるアンモニア処理システム10,10Bを備えた浮体1を提供することができる。
Claims (7)
- ケーシング、前記ケーシング内にアンモニアを含むアンモニアガスを導入するガス導入部、前記ケーシング内の上部から散水することで前記アンモニアを吸収してアンモニア水を生成する散水部、及び、前記ケーシングの下部から前記アンモニア水を排出する排水部を有する吸収塔と、
前記吸収塔の外部に設けられ、前記アンモニア水に含まれるアンモニア成分を除去して処理水を生成するアンモニア成分除去部と、
前記排水部から排出された前記アンモニア水を前記アンモニア成分除去部へ導入させるアンモニア水導入ラインと、
前記アンモニア成分除去部によって生成された前記処理水を前記散水部に供給する第一処理水供給ラインと、
を備えるアンモニア処理システム。 - 前記アンモニア成分除去部で生成された前記処理水を貯留する処理水貯留タンクを更に備え、
前記第一処理水供給ラインは、前記処理水貯留タンクに貯留された前記処理水を、前記散水部に供給する
請求項1に記載のアンモニア処理システム。 - 前記アンモニア水導入ラインは、
前記吸収塔の前記排水部と前記アンモニア成分除去部とを接続する導入ライン本体と、
前記導入ライン本体の途中に設けられて前記排水部から排出された前記アンモニア水を貯留可能なアンモニア水貯留タンクと、を備える
請求項1又は2に記載のアンモニア処理システム。 - アンモニアを吸収する吸収水を貯留可能とされ、前記吸収水の中にアンモニアを含むアンモニアガスを導入させて前記アンモニアガスのアンモニア濃度を低下させる希釈槽と、
前記アンモニア成分除去部によって生成された前記処理水を前記吸収水として前記希釈槽へ供給する第二処理水供給ラインと、を更に備え、
前記ガス導入部は、前記希釈槽で希釈された前記アンモニアガスを前記ケーシング内に導入する
請求項1又は2に記載のアンモニア処理システム。 - 海水を取水する取水部を更に備え、
前記アンモニア成分除去部は、
前記取水部から取水された前記海水に電気分解を施すことで、次亜塩素酸ソーダを含む海水電解液を生成する電気分解部と、
前記アンモニア水と前記電気分解部で生成された前記海水電解液との混合液を反応させる脱窒素反応部と、を備える
請求項1又は2に記載のアンモニア処理システム。 - 外部から水を導入する外部水導入部と、
前記散水部に供給する水を、前記第一処理水供給ラインにより供給される前記処理水と、前記外部水導入部により導入される水と、の間で切替可能とする水切替部と、
を更に備える
請求項1又は2に記載のアンモニア処理システム。 - 浮体本体と、
前記浮体本体に設けられた、請求項1又は2に記載のアンモニア処理システムと、を備える
浮体。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380062538.2A CN119730943A (zh) | 2022-09-15 | 2023-09-07 | 氨处理系统及浮体 |
| EP23865415.6A EP4566695A4 (en) | 2022-09-15 | 2023-09-07 | AMMONIA TREATMENT SYSTEM, FLOATING BODY |
| KR1020257006450A KR20250047761A (ko) | 2022-09-15 | 2023-09-07 | 암모니아 처리 시스템, 부체 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2022-146690 | 2022-09-15 | ||
| JP2022146690A JP2024042171A (ja) | 2022-09-15 | 2022-09-15 | アンモニア処理システム、浮体 |
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| WO2024058060A1 true WO2024058060A1 (ja) | 2024-03-21 |
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| PCT/JP2023/032762 Ceased WO2024058060A1 (ja) | 2022-09-15 | 2023-09-07 | アンモニア処理システム、浮体 |
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| EP (1) | EP4566695A4 (ja) |
| JP (1) | JP2024042171A (ja) |
| KR (1) | KR20250047761A (ja) |
| CN (1) | CN119730943A (ja) |
| WO (1) | WO2024058060A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025230119A1 (ko) * | 2024-04-30 | 2025-11-06 | 서울대학교 산학협력단 | 이종 화물 저장 장치 및 이의 운영 방법 |
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| JP2002079252A (ja) * | 2000-09-06 | 2002-03-19 | Sarafuji Kk | 海水系アンモニア含有排水又はアンモニア含有排ガスの処理方法及び装置 |
| JP2006026555A (ja) | 2004-07-16 | 2006-02-02 | Hachiyo Engneering Kk | アンモニアガスの除害システム |
| JP2008007378A (ja) * | 2006-06-30 | 2008-01-17 | Iwatani Internatl Corp | アンモニアガスの回収方法及び回収装置 |
| JP2008132466A (ja) * | 2006-11-28 | 2008-06-12 | Linxross Inc | 低消費電力オゾン発生装置とcdi脱イオン式装置の水処理統合システム |
| WO2020174559A1 (ja) * | 2019-02-26 | 2020-09-03 | 三菱重工エンジニアリング株式会社 | オフガス処理装置及びこのオフガス処理装置を備える肥料製造プラント |
| JP6934555B1 (ja) * | 2020-08-25 | 2021-09-15 | 三菱造船株式会社 | 船舶 |
| JP2022146690A (ja) | 2021-03-22 | 2022-10-05 | 株式会社リコー | 情報処理装置、システム、方法、およびプログラム |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5971355B2 (ja) * | 2013-01-30 | 2016-08-17 | 富士電機株式会社 | 舶用ディーゼルエンジン排ガス処理システム |
| CN112696289B (zh) * | 2020-12-28 | 2024-07-26 | 大连船舶重工集团有限公司 | 一种船用液氨燃料供给及燃料回收利用系统 |
-
2022
- 2022-09-15 JP JP2022146690A patent/JP2024042171A/ja active Pending
-
2023
- 2023-09-07 KR KR1020257006450A patent/KR20250047761A/ko active Pending
- 2023-09-07 EP EP23865415.6A patent/EP4566695A4/en active Pending
- 2023-09-07 CN CN202380062538.2A patent/CN119730943A/zh active Pending
- 2023-09-07 WO PCT/JP2023/032762 patent/WO2024058060A1/ja not_active Ceased
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| JP2002079252A (ja) * | 2000-09-06 | 2002-03-19 | Sarafuji Kk | 海水系アンモニア含有排水又はアンモニア含有排ガスの処理方法及び装置 |
| JP2006026555A (ja) | 2004-07-16 | 2006-02-02 | Hachiyo Engneering Kk | アンモニアガスの除害システム |
| JP2008007378A (ja) * | 2006-06-30 | 2008-01-17 | Iwatani Internatl Corp | アンモニアガスの回収方法及び回収装置 |
| JP2008132466A (ja) * | 2006-11-28 | 2008-06-12 | Linxross Inc | 低消費電力オゾン発生装置とcdi脱イオン式装置の水処理統合システム |
| WO2020174559A1 (ja) * | 2019-02-26 | 2020-09-03 | 三菱重工エンジニアリング株式会社 | オフガス処理装置及びこのオフガス処理装置を備える肥料製造プラント |
| JP6934555B1 (ja) * | 2020-08-25 | 2021-09-15 | 三菱造船株式会社 | 船舶 |
| JP2022146690A (ja) | 2021-03-22 | 2022-10-05 | 株式会社リコー | 情報処理装置、システム、方法、およびプログラム |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025230119A1 (ko) * | 2024-04-30 | 2025-11-06 | 서울대학교 산학협력단 | 이종 화물 저장 장치 및 이의 운영 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119730943A (zh) | 2025-03-28 |
| EP4566695A4 (en) | 2025-11-12 |
| KR20250047761A (ko) | 2025-04-04 |
| EP4566695A1 (en) | 2025-06-11 |
| JP2024042171A (ja) | 2024-03-28 |
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