Offshore platform allowing carbon neutral fuel to be produced, stored and supplied, overcoming intermittentcy of renewable energy

Abstract

The present invention relates to an offshore platform allowing carbon neutral fuel to be produced, stored and supplied, overcoming intermittentcy of renewable energy, the offshore platform comprising: a main body located offshore; a hydrogen production unit, disposed in the main body, for producing hydrogen via sea water electrolysis using a water electrolysis device and storing the hydrogen; an ammonia production unit, disposed in the main body, for synthesizing, via a first synthesis device, the hydrogen flowing in from the hydrogen production unit with nitrogen in the air to produce ammonia and storing same; a carbon dioxide storage unit, disposed in the main body, for storing carbon dioxide flowing in from the ship; and a methanol production unit, disposed in the main body, for synthesizing, by means of a second synthesis device, the carbon dioxide flowing in from the carbon dioxide storage unit and hydrogen flowing in from the hydrogen production unit to produce methanol and storing same.

Description

An offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuels.

[0001] The present invention relates to an offshore platform, and more particularly, to an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel by utilizing carbon dioxide captured from the exhaust gas of a general ship and idle power of a land-based power plant in addition to renewable energy, thereby overcoming the instability of carbon-neutral fuel production due to the intermittency of renewable energy, reducing the cost of producing carbon-neutral fuel, reducing air pollution caused by greenhouse gas emissions from general ships, and enabling the smooth utilization of carbon dioxide captured during the operation of a general ship.

[0002] In the case of general ships, heavy oil or LNG is used as fuel, and a large amount of gas is emitted during the fuel combustion process.

[0003] At this time, there was a problem that the gases emitted from ordinary ships not only caused air pollution, but also caused the greenhouse effect and contributed to global warming.

[0004] For this reason, regulations on ship exhaust gas are being strengthened.

[0005] In response to this situation, as disclosed in Korean Patent No. 10-2531551, some ships are reducing greenhouse gas emissions by capturing some of the gases emitted during fuel combustion, such as carbon dioxide.

[0006] However, because the space inside the ship is limited, there was a problem that gas capture was limited.

[0007] And as regulations on ship emissions are strengthening, the number of ships using carbon-neutral fuels such as green methanol is increasing.

[0008] However, the production of carbon-neutral fuels not only incurs significant costs, but also poses the problem of the potential for large-scale casualties in the event of accidents such as fires and explosions, especially when carbon-neutral fuels such as methanol are produced and stored on land adjacent to residential areas.

[0009] For this reason, efforts are being made to produce carbon-neutral fuels at sea through offshore platforms.

[0010] However, when operating an offshore platform for the purpose of producing carbon-neutral fuel, there were significant problems with costs such as power supply.

[0011] Meanwhile, carbon-neutral fuels such as hydrogen, ammonia, and methanol can be produced by utilizing renewable energy sources such as solar and wind power.

[0012] However, renewable energy has intermittency as solar and wind power are not constant, so large-scale energy storage systems (ESS, which collect intermittent energy and supply electricity at a constant output) are required for hydrogen production based on water electrolysis using solar and wind power, and ammonia and methanol synthesis. Therefore, not only is the cost of installing large-scale energy storage systems considerable, but there is also the problem of double and triple energy loss during the storage process in the energy storage system and the subsequent carbon-neutral fuel production process. In particular, in the case of offshore wind power and offshore solar power, there is a problem that requires finding a place to utilize the electricity produced due to technical and economic difficulties in connecting to the onshore power grid.

[0013] In addition, among carbon-neutral fuels, hydrogen produced through electrolysis must be compressed and stored at around 700 bar or cooled and liquefied to -253°C, which makes it difficult to store in large quantities and for long periods of time due to its high boil-off rate (BOR), and this has led to problems such as enormous costs.

[0014] In addition, in order to achieve marine carbon neutrality, when capturing greenhouse gases emitted from ships through onboard carbon capture technology (OCCS, Onboard Carbon Capture System), there was a problem that the development and commercialization of the technology were delayed because there was no suitable way to utilize the captured carbon other than storing it underground.

[0015] For the above reasons, the field is attempting to develop an offshore platform that can overcome the instability of carbon-neutral fuel production due to the intermittency of renewable energy, reduce the cost of carbon-neutral fuel production, reduce air pollution caused by greenhouse gas emissions from general ships, and facilitate the utilization of carbon dioxide captured during general ship operations. However, satisfactory results have not been achieved to date.

[0016]

[0017] [Prior Art Literature]

[0018] [Patent Document]

[0019] (Patent Document 1) Republic of Korea Patent No. 10-2531551

[0020] The present invention has been proposed to solve the problems of the prior art as described above, and its purpose is to provide an offshore platform that can resolve the instability of carbon-neutral fuel production due to the intermittency of renewable energy when producing carbon-neutral fuel using renewable energy.

[0021] In addition, the present invention aims to provide an offshore platform that can reduce the cost required to install and operate a large-scale high-pressure tank or cryogenic tank for storing hydrogen produced when producing hydrogen, which is one of carbon-neutral fuels.

[0022] In addition, the present invention aims to provide an offshore platform that can reduce the inconvenience of having to find a land-based facility to process carbon captured during the operation of a general ship.

[0023] In addition, the present invention aims to provide an offshore platform that enables stable bunkering of carbon-neutral fuel, or in other words, supply of carbon-neutral fuel, to ships operating at sea.

[0024] In order to achieve the above purpose, the present invention,

[0025] The present invention proposes an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel, characterized by comprising: a main body located at sea; a hydrogen production unit disposed in the main body that electrolyzes seawater through an electrolysis device to produce and store hydrogen; an ammonia production unit disposed in the main body that synthesizes hydrogen introduced from the hydrogen production unit and nitrogen in the air through a first synthesis device to produce and store ammonia; a carbon dioxide storage unit disposed in the main body that stores carbon dioxide introduced from a ship; and a methanol production unit disposed in the main body that synthesizes carbon dioxide introduced from the carbon dioxide storage unit and hydrogen introduced from the hydrogen production unit through a second synthesis device to produce and store methanol.

[0026] The offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can include a power supply unit including a wind power generator and a solar power generator, and can also be connected to a power generation device on land, so that carbon-neutral fuel can be produced by utilizing renewable energy such as wind and solar power, and idle power from the power generation device on land can be utilized, thereby ensuring a stable power supply, thereby overcoming the intermittency of renewable energy, and thus ensuring the stable production of carbon-neutral fuel, and reducing the cost of producing carbon-neutral fuel.

[0027] In addition, the offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can produce ammonia and methanol directly through the synthesis of hydrogen produced in the hydrogen production unit, so there is no need to prepare a large-scale high-pressure tank or cryogenic tank for hydrogen storage, thereby reducing the cost required to prepare and operate a large-scale high-pressure tank or cryogenic tank.

[0028] In addition, the offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can unload carbon captured during the operation of a general ship and react it with hydrogen to produce methanol, thereby not only increasing the utilization of carbon captured during the operation of a general ship, but also reducing the hassle of having to find a land-based facility to process carbon captured during the operation of a general ship.

[0029] In addition, the offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention is provided with a docking facility for docking a ship on the main body, and a connecting member is provided on the docking facility, so that carbon dioxide can be easily introduced from the ship into the carbon dioxide storage unit, hydrogen can be introduced from the hydrogen production unit into the ship, ammonia can be introduced from the ammonia production unit into the ship, and methanol can be introduced from the methanol production unit into the ship by the connecting member.

[0030] In addition, the offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention may have a main body that is any one of a fixed offshore plant, a floating offshore plant, and a FPSO (Floating Production Storage and Offloading) type ship, and the FPSO (Floating Production Storage and Offloading) type ship may be a nuclear-powered ship including a nuclear reactor that generates steam through thermal energy generated in a nuclear fission process; and a turbine that is connected to the nuclear reactor and rotates by impulse and reaction force when colliding with the steam; and the nuclear-powered ship includes not only the nuclear reactor and the turbine, but also a gyro stabilizer, and in particular, the turbine is mounted on the spin axis of the gyro stabilizer, so that the rotational force of the turbine rotated by the steam generated in the nuclear reactor is transmitted to the spin axis of the gyro stabilizer, so that the rotor rotates and precesses, and thereby twisting and tilting of the main body can be suppressed, and thus the stability of the main body can be improved.

[0031] Figure 1 is a schematic diagram illustrating the structure of an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention.

[0032] Figure 2 is an exemplary diagram showing the supply of hydrogen from an offshore platform to a ship, which is capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention.

[0033] Figure 3 is an exemplary diagram showing the supply of ammonia from an offshore platform to a ship, which enables the production, storage, and supply of carbon-neutral fuel and the overcoming of the intermittency of renewable energy according to the present invention.

[0034] Figure 4 is an exemplary diagram showing the supply of methanol from an offshore platform to a ship, which enables the production, storage, and supply of carbon-neutral fuel and the overcoming of the intermittency of renewable energy according to the present invention.

[0035] Figure 5 is an exemplary diagram showing the inflow of carbon dioxide from a ship into a carbon dioxide storage unit on an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention.

[0036] Figure 6 is an exemplary diagram showing power supply through a power supply unit on an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention.

[0037] Figure 7 is another example showing power supply through a power supply unit on an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention.

[0038] Figure 8 is an exemplary diagram showing the structure of a connecting member in an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention.

[0039] Figure 9 is an exemplary diagram showing the internal structure of a marine platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention when the main body is a nuclear-powered ship.

[0040] Figure 10 is a schematic diagram showing the structure of a gyro stabilizer applied when the main body of an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention is a nuclear-powered ship.

[0041] Figure 11 is a related graph for explaining overcoming the intermittency of renewable energy according to the present invention and overcoming the intermittency of renewable energy on an offshore platform capable of producing, storing, and supplying carbon-neutral fuel.

[0042] Hereinafter, the present invention will be described in detail based on the attached drawings.

[0043]

[0044] As illustrated in Fig. 1, the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention comprises a main body (100); a hydrogen production unit (200); an ammonia production unit (300); a carbon dioxide storage unit (400); and a methanol production unit (500).

[0045] The main body (100) of the present invention is located at sea.

[0046] Accordingly, by arranging a hydrogen production unit (200); an ammonia production unit (300); a carbon dioxide storage unit (400); and a methanol production unit (500) in the main body (100), not only can hydrogen, ammonia, and methanol be produced at sea, but carbon dioxide flowing in from a ship (V) docking at the main body (100) can also be stored.

[0047] At this time, the main body (100) includes a docking facility (110), so that the ship (V) can be docked stably by the docking facility (110).

[0048] And the docking facility (110) includes a connecting member (111) that connects one of the hydrogen production unit (200), the ammonia production unit (300), the carbon dioxide storage unit (400) and the methanol production unit (500) to the ship (V), so that any one of the supply of hydrogen from the hydrogen production unit (200) to the ship (V), the supply of ammonia from the ammonia production unit (300) to the ship (V), the introduction of carbon dioxide from the ship (V) to the carbon dioxide storage unit (400) and the supply of methanol from the methanol production unit (500) to the ship (V) can be easily accomplished by the connecting member (111).

[0049] Here, the connecting member (111) includes a support (111a) fixedly installed on the main body (100); a wire (111b) extending from the support (111a) to the ship (V); a hose (111c) slidably coupled to the wire (111b); and a tensioner (111d) for adjusting the tension of the wire (111b). By pushing or pulling the hose (111c) mounted on the wire (111b) to connect the hose (111c) between the ship (V) and the main body (100), any one of hydrogen supply from the hydrogen production unit (200) to the ship (V), supply of ammonia from the ammonia production unit (300) to the ship (V), introduction of carbon dioxide from the ship (V) to the carbon dioxide storage unit (400), and supply of methanol from the methanol production unit (500) to the ship (V) can be stably performed.

[0050] Meanwhile, the main body (100) may be any one of a fixed offshore plant, a floating offshore plant, and a FPSO (Floating Production Storage and Offloading) type vessel.

[0051] At this time, the FPSO (Floating Production Storage and Offloading) type vessel may be a nuclear-powered vessel including a reactor (120) placed inside the hull and generating steam through heat energy generated during a nuclear fission process; and a turbine (130) installed inside the hull and connected to the reactor (120) and rotating by impulse and reaction force when colliding with steam.

[0052] Here, the FPSO (Floating Production Storage and Offloading) type vessel includes a gyro stabilizer (140) that suppresses the tilting of the hull through a precession of a rotor (142) that rotates around a spin axis (141), a gimbal (143) that rotatably supports the spin axis (141), and a frame (144) that rotatably supports the gimbal (143), as shown in FIG. 10, and thus the stability during the operation can be improved by suppressing the tilting of the hull by the gyro stabilizer (140).

[0053] And in a FPSO (Floating Production Storage and Off-loading) type vessel, the turbine (130) is mounted on the spin axis (141) of the gyro stabilizer (140).

[0054] Therefore, the rotation of the turbine (130) causes the rotation of the spin axis (141) of the gyro stabilizer (140) and the rotor (142) supported by the same, and the precession motion of the gyro stabilizer (140) can be achieved.

[0055] And in a FPSO (Floating Production Storage and Off-loading) type vessel, the gyro stabilizer (140) includes a generator (145) mounted on the spindle (141), so that the generator (145) operates as the spindle (141) and the rotor (142) rotate by the turbine (130), thereby generating power.

[0056] And in the FPSO (Floating Production Storage and Off-loading) type vessel, the gyro stabilizer (140) includes a steam inlet line (146).

[0057] At this time, the steam inlet line (146) is connected from the reactor (120) to the turbine (130) through the frame (144) and the gimbal (143), so that the steam generated in the reactor (120) flows into the turbine (130) through the steam inlet line (146), thereby causing the turbine (130) to rotate.

[0058] And in a FPSO (Floating Production Storage and Off-loading) type vessel, the gyro stabilizer (140) includes a power supply line (147).

[0059] At this time, the power supply line (147) is connected from the generator (145) to the propulsion motor (102) of the hull through the gimbal (143) and the frame (144), so that the power produced by the generator (145) is supplied to the propulsion motor (102), and as the rotation axis of the propulsion motor (102) is rotated, the propeller (105) coupled to the rotation axis of the propulsion motor (102) is rotated, thereby propulsion of the hull can be achieved.

[0060] Here, a switchboard (103) and an inverter / converter (104) are provided between the power supply line (147) provided in the gyro stabilizer (140) and the propulsion motor (102) of the hull, so that power distribution can be performed by the switchboard (103) and power conversion can be performed by the inverter / converter (104).

[0061] And in a FPSO (Floating Production Storage and Off-loading) type vessel, the reactor (120) is covered with a shielding member (121) to prevent radiation leakage, and the gyro stabilizer (140) can be placed in a separate sealed room (101) within the hull together with the reactor (120) to restrict access.

[0062] The hydrogen production unit (200) of the present invention is placed in the main body (100) and produces and stores hydrogen by electrolyzing seawater through a water electrolysis device (210).

[0063] Accordingly, by supplying hydrogen produced in the hydrogen production unit (200) to a ship (V) docked at the main body (100), the ship (V) can operate using hydrogen as fuel, and ammonia can be produced by introducing hydrogen produced in the hydrogen production unit (200) into the ammonia production unit (300) and synthesizing it with nitrogen in the air.

[0064] Meanwhile, in the hydrogen production unit (200), the electrolysis device (210) may be of any conventional structure and method as long as it can electrolyze seawater to produce hydrogen. Therefore, a detailed description of the electrolysis device (210) is omitted.

[0065] The ammonia production unit (300) of the present invention is placed in the main body (100), and synthesizes hydrogen flowing from the hydrogen production unit (200) and nitrogen in the air through the first synthesis device (310) to produce and store ammonia.

[0066] Accordingly, by supplying ammonia produced in the ammonia production unit (300) to a ship (V) docked at the main body (100), the ship (V) can be operated using ammonia as fuel.

[0067] Meanwhile, in the ammonia production unit (300), the first synthesis device (310) may have any conventional structure and method as long as it can produce ammonia by synthesizing hydrogen and nitrogen in the air. Therefore, a detailed description of the first synthesis device (310) is omitted.

[0068] The carbon dioxide storage unit (400) of the present invention is placed in the main body (100) and stores carbon dioxide flowing in from the vessel (V).

[0069] Accordingly, during the operation, a vessel (V) that has captured carbon dioxide can dock with the main body (100) and discharge the carbon dioxide into the carbon dioxide storage unit (400), thereby enabling simple processing of the captured carbon dioxide without having to visit a port or other facility. In addition, additional carbon dioxide can be captured during the subsequent operation, and methanol can be produced by introducing carbon dioxide stored in the carbon dioxide storage unit (400) into the methanol production unit (500) and synthesizing it with hydrogen produced in the hydrogen production unit (200).

[0070] The methanol production unit (500) of the present invention is arranged in the main body (100) and synthesizes carbon dioxide flowing in from the carbon dioxide storage unit (400) and hydrogen flowing in from the hydrogen production unit (200) through the second synthesis device (510) to produce and store methanol.

[0071] Therefore, by supplying methanol produced in the methanol production unit (500) to the ship (V) docked at the main body (100), the ship (V) can be operated using methanol as fuel.

[0072] Meanwhile, in the methanol production unit (500), the second synthesis device (510) may have any conventional structure and method as long as it can produce methanol by synthesizing carbon dioxide and hydrogen. Therefore, a detailed description of the second synthesis device (510) is omitted.

[0073] And the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel according to the present invention further includes a power supply unit (600).

[0074] The power supply unit (600) of the present invention supplies power to each of the hydrogen production unit (200), the ammonia production unit (300), the carbon dioxide storage unit (400), and the methanol production unit (500).

[0075] At this time, the power supply unit (600) can supply power produced through the power generation device (610) placed in the main body (100).

[0076] Here, the power generation device (610) may be of any conventional structure and method as long as it can produce electricity, and examples thereof include any of a nuclear power generation device, a wind power generation device, and a solar power generation device.

[0077] Additionally, the power supply unit (600) can be connected to a land-based power generation device (610).

[0078] Accordingly, as idle power is supplied from the land power generation device (610) through the power supply unit (600), the hydrogen production unit (200), the ammonia production unit (300), the carbon dioxide storage unit (400), and the methanol production unit (500) can be operated.

[0079]

[0080] The offshore platform (A) of the present invention, capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel, can alleviate the burden of processing carbon dioxide captured from exhaust gas during the operation of a conventional vessel (V) fueled by heavy oil or LNG. This is described in detail below.

[0081] That is, the present invention includes a carbon dioxide storage unit (400) arranged in the main body (100), and as shown in FIG. 5, a general vessel (V) that has captured carbon dioxide during operation can dock at the main body (100) and discharge the captured carbon dioxide into the carbon dioxide storage unit (400), so that not only can the captured carbon dioxide be easily processed without having to find a facility such as a port, but additional carbon dioxide can be captured thereafter.

[0082] At this time, the main body (100) includes a docking facility (110), and the docking of the ship (V) can be stably achieved by the docking facility (110).

[0083] And the carbon dioxide stored in the carbon dioxide storage unit (400) is used to produce methanol through synthesis with hydrogen as described below, so that the utilization of carbon dioxide captured during the operation of a general ship can be increased.

[0084] Furthermore, the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can produce carbon-neutral fuel. This is described in detail below.

[0085] First, the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can produce hydrogen in particular.

[0086] That is, a hydrogen production unit (200) equipped with a water electrolysis device (210) is disposed in the main body (100) of the present invention, and hydrogen can be produced by the water electrolysis device (210) electrolyzing seawater.

[0087] Accordingly, as illustrated in FIG. 2, by supplying hydrogen produced in the hydrogen production unit (200) to a ship (V) docked at the main body (100), the ship (V) can operate using hydrogen as fuel, thereby reducing the inconvenience of having to find a facility such as a port for fuel injection during the operation of a general ship (V).

[0088] At this time, ammonia and methanol, as described below, can be produced directly through synthesis using hydrogen produced in the hydrogen production unit (200), and since there is no need to prepare a large-scale high-pressure tank or cryogenic tank for hydrogen storage, the cost required to prepare and operate a large-scale high-pressure tank or cryogenic tank can be reduced.

[0089] Next, the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can produce ammonia in particular.

[0090] That is, an ammonia production unit (300) equipped with a first synthesis device (310) is arranged in the main body (100) of the present invention, and ammonia can be produced by the first synthesis device (310) synthesizing hydrogen flowing in from the hydrogen production unit (200) and nitrogen in the air.

[0091] Accordingly, as illustrated in FIG. 3, by supplying ammonia produced in the ammonia production unit (300) to a vessel (V) docked at the main body (100), the vessel (V) can operate using ammonia as fuel, thereby reducing the inconvenience of having to find a port or other facility for fuel injection during the operation of a general vessel (V).

[0092] Next, the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can produce methanol in particular.

[0093] That is, a methanol production unit (500) equipped with a second synthesis unit (510) is arranged in the main body (100) of the present invention, and methanol can be produced by the second synthesis unit (510) synthesizing carbon dioxide flowing in from the carbon dioxide storage unit (400) and hydrogen flowing in from the hydrogen production unit (200).

[0094] Accordingly, as illustrated in FIG. 4, by supplying methanol produced in the methanol production unit (500) to a vessel (V) docked at the main body (100), the vessel (V) can operate using methanol as fuel, thereby reducing the inconvenience of having to find a facility such as a port for fuel injection during the operation of a general vessel (V).

[0095] The offshore platform (A) for producing, storing, and supplying carbon-neutral fuel according to the present invention can not only produce carbon-neutral fuel using renewable energy, but also overcome the intermittency of renewable energy when utilized. This is described in detail below.

[0096]

[0097] *That is, the present invention further includes a power supply unit (600) that supplies power to each of the hydrogen production unit (200), the ammonia production unit (300), the carbon dioxide storage unit (400), and the methanol production unit (500), as illustrated in FIG. 6, and the power generation device (610) of the power supply unit (600) can be any one of a nuclear power generation device, a wind power generation device, and a solar power generation device, so that carbon-neutral fuel can be produced through renewable energy from wind and solar power.

[0098] At this time, the power supply unit (600) can be connected to the onshore power generation device (610) as illustrated in FIG. 7, and idle power from the onshore power generation device (610) is supplied to the hydrogen production unit (200), the ammonia production unit (300), and the methanol production unit (500) through the power supply unit (600), thereby enabling the operation of the hydrogen production unit (200), the ammonia production unit (300), and the methanol production unit (500), so that power supply can be stably performed compared to when only renewable energy is used, and thus, as illustrated in FIG. 11, the intermittency of renewable energy can be overcome, so that not only can the production of carbon-neutral fuel be stably performed, but also the cost of producing carbon-neutral fuel can be reduced.

[0099] And, the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel according to the present invention can stably supply hydrogen from a hydrogen production unit (200) to a ship (V), supply ammonia from an ammonia production unit (300) to a ship (V), supply carbon dioxide from a ship (V) to a carbon dioxide storage unit (400), and supply methanol from a methanol production unit (500) to a ship (V).

[0100] That is, the docking facility (110) of the present invention includes a connecting member (111) that connects one of the hydrogen production unit (200), the ammonia production unit (300), the carbon dioxide storage unit (400), and the methanol production unit (500) to the ship (V), so that any one of the supply of hydrogen from the hydrogen production unit (200) to the ship (V), the supply of ammonia from the ammonia production unit (300) to the ship (V), the introduction of carbon dioxide from the ship (V) to the carbon dioxide storage unit (400), and the supply of methanol from the methanol production unit (500) to the ship (V) can be performed by the connecting member (111).

[0101] At this time, the connecting member (111) includes a support (111a) fixedly installed on the main body (100), as illustrated in FIG. 8; a wire (111b) extending from the support (111a) to the ship (V); a hose (111c) slidably coupled to the wire (111b); and a tensioner (111d) for adjusting the tension of the wire (111b). By pushing or pulling the hose (111c) mounted on the wire (111b) to connect the hose (111c) between the ship (V) and the main body (100), any one of hydrogen supply from the hydrogen production unit (200) to the ship (V), ammonia supply from the ammonia production unit (300) to the ship (V), carbon dioxide introduction from the ship (V) to the carbon dioxide storage unit (400), and methanol supply from the methanol production unit (500) to the ship (V) can be stably performed.

[0102] In addition, the offshore platform (A) capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel according to the present invention can improve resilience.

[0103] That is, the main body (100) of the present invention may be any one of a fixed offshore plant, a floating offshore plant, and a FPSO (Floating Production Storage and Offloading) type ship, and the FPSO (Floating Production Storage and Offloading) type ship may include a nuclear reactor (120) that generates steam through thermal energy generated during a nuclear fission process; And it may be a nuclear propulsion ship including a turbine (130) that is installed in connection with a reactor (120) and rotates by impulse and reaction force when colliding with steam; and the nuclear propulsion ship not only includes a reactor (120) and a turbine (130), but also includes a gyro stabilizer (140) as shown in FIG. 9, and in particular, the turbine (130) is mounted on a spin axis (141) of the gyro stabilizer (140), so that the rotational force of the turbine (130) rotated by steam generated in the reactor (120) is transmitted to the spin axis (141) of the gyro stabilizer (140), so that the rotor (142) rotates and a precession motion can be achieved, so that the tilting of the main body (100) can be suppressed, and thus the restorability of the main body (100) can be improved.

[0104] At this time, the gyro stabilizer (140) includes a generator (145) mounted on the spin axis (141), and as the spin axis (141) and the rotor (142) are rotated by the turbine (130), the generator (145) is operated, thereby generating power, and thus power supply within the ship (V) can also be smooth.

[0105]

[0106] The present invention as described above is not limited to the above-described embodiments, and thus may be modified within a scope that does not depart from the gist of the present invention as claimed in the claims, and such modifications are within the scope of protection of the present invention defined by the following claims.

[0107]

[0108] [Explanation of symbols]

[0109] 100: Main body 101: Secret room

[0110] 102: Propulsion motor 103: Switchboard

[0111] 104: Inverter / Converter 105: Propeller

[0112] 110: Belaying facility 111: Connecting member

[0113] 111a: Support 111b: Wire

[0114] 111c: Hose 111d: Tensioner

[0115] 120: Reactor 121: Shielding member

[0116] 121a: Alpha ray shielding layer 121b: Beta ray shielding layer

[0117] 121c: Gamma-ray shielding layer 130: Turbine

[0118] 140: Gyro stabilizer 141: Spin axis

[0119] 142: Rotor 143: Gimbal

[0120] 144: Frame 145: Generator

[0121] 146: Steam inlet line 147: Power supply line

[0122] 200: Hydrogen production unit 210: Water electrolysis unit

[0123] 300: Ammonia production unit 310: First synthesis unit

[0124] 400: Carbon dioxide storage unit 500: Methanol production unit

[0125] 510: Second synthesis device 600: Power supply unit

[0126] 610: Power Plant A: Offshore Platform

[0127] V: Ship

[0128] The present invention overcomes the instability of carbon-neutral fuel production due to the intermittency of renewable energy by utilizing carbon dioxide captured from the exhaust gas of a land-based power plant and idle power from a general vessel in addition to renewable energy, reduces the cost of producing carbon-neutral fuel, reduces air pollution caused by greenhouse gas emissions from general vessels, and facilitates the utilization of carbon dioxide captured during the operation of general vessels, so that it has industrial applicability related to the production of offshore platforms.

Claims

1. A main body located at sea; A hydrogen production unit disposed in the above main body, which produces and stores hydrogen by electrolyzing seawater through an electrolysis device; An ammonia production unit arranged in the above main body, which produces and stores ammonia by synthesizing hydrogen flowing in from the hydrogen production unit through the first synthesis device and nitrogen in the air; A carbon dioxide storage unit disposed in the above body for storing carbon dioxide flowing in from the ship; and An offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel, characterized in that it includes a methanol production unit arranged in the main body and synthesizing the carbon dioxide flowing in from the carbon dioxide storage unit and the hydrogen flowing in from the hydrogen production unit through a second synthesis device to produce and store methanol.

2. In paragraph 1, The above-mentioned main body is an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel, characterized in that it is any one of a fixed offshore plant, a floating offshore plant and a FPSO (Floating Production Storage and Off-loading) type vessel.

3. In paragraph 2, The above FPSO (Floating Production Storage and Off-loading) type vessel is a nuclear-powered vessel including a reactor installed inside the hull to generate steam through heat energy generated during a nuclear fission process; and a turbine installed inside the hull and connected to the reactor to rotate through impulse and reaction force when colliding with the steam; an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel.

4. In paragraph 1, An offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel, characterized in that the main body includes a berthing facility for the ship to be berthed.

5. In paragraph 4, An offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel, characterized in that the above-mentioned docking facility includes a connecting member connecting from any one of the hydrogen production unit, the ammonia production unit, the carbon dioxide storage unit and the methanol production unit to the ship.

6. In paragraph 5, An offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuel, characterized in that the connecting member comprises: a support fixedly installed to the main body; a wire extending from the support to the ship; a hose slidably coupled to the wire; and a tensioner adjusting the tension of the wire.

7. In paragraph 1, An offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel, characterized in that it further includes a power supply unit that supplies power to each of the hydrogen production unit, the ammonia production unit, the carbon dioxide storage unit and the methanol production unit.

8. In paragraph 7, The above power supply unit is an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel, characterized in that it supplies power produced through a power generation device placed in the main body or placed on land.

9. In paragraph 8, The above power generation device is an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing and supplying carbon-neutral fuel, characterized in that it is any one of a nuclear power generation device, a wind power generation device and a solar power generation device.

Images