CN115823481A - FSRU with carbon dioxide liquefaction and transmission functions - Google Patents

FSRU with carbon dioxide liquefaction and transmission functions Download PDF

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Publication number
CN115823481A
CN115823481A CN202211567903.9A CN202211567903A CN115823481A CN 115823481 A CN115823481 A CN 115823481A CN 202211567903 A CN202211567903 A CN 202211567903A CN 115823481 A CN115823481 A CN 115823481A
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China
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lng
carbon dioxide
fsru
lco
module
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CN202211567903.9A
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Chinese (zh)
Inventor
杜欣
孙强
张林涛
郭强
潘帅
张义明
彭东升
吴楠
片成荣
吕岩
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Dalian Shipbuilding Industry Co Ltd
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Dalian Shipbuilding Industry Co Ltd
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Publication of CN115823481A publication Critical patent/CN115823481A/en
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Abstract

The FSRU with the carbon dioxide liquefaction and transmission functions comprises an electric power and power distribution system, a ballast system and a fire-fighting and life-saving system, and is characterized by further comprising an FSRU hull, an LNG storage tank, an isolation empty tank, an LNG vaporization module, a carbon dioxide liquefaction module and an LCO 2 Storage tanks, LCO 2 The system comprises an output module, a dual-fuel generator, a cabin and an office and living area; the invention discloses an FSRU with carbon dioxide liquefaction and transmission functions, which solves the problem of energy consumption in the conventional LNG vaporizationHigh and cold energy is wasted, and CO is reduced 2 The energy consumption of liquefaction is energy-saving and environment-friendly, and CO can be reduced 2 The investment construction cost and the later period operation cost of the outward transportation station are good in economical efficiency.

Description

FSRU with carbon dioxide liquefaction and transmission functions
Technical Field
The invention relates to the technical field of FSRUs (FSRUs), in particular to an FSRU with carbon dioxide liquefying and transmitting functions.
Background
The FSRU is a short term for a Floating Storage and Re-gasification Unit (Floating Storage and Re-gasification Unit), is a special equipment integrating multiple functions of receiving, storing, transferring, regasification and export of LNG (liquefied natural gas), is equipped with a propulsion system, and has the function of an LNG carrier.
The FSRU has the main functions of LNG storage and regasification, and is used for conveying LNG received from other LNG ships to a pipe network after the LNG is pressurized and gasified and providing the LNG to natural gas users.
The device can be used as a substitute of a traditional land-based LNG receiving station, can also be used as a common LNG ship, and is mainly used as an LNG receiving and gasifying device, an LNG transporting and gasifying ship, a platform type LNG receiving terminal and a gravity-based marine receiving device at present.
However, while the FSRU provides natural gas to a city conveniently and quickly, LNG not only consumes a large amount of energy in the vaporization process, but also the cold energy of LNG is wasted and is not utilized reasonably.
Under the guidance of the 'double carbon' policy in China, technologies such as carbon dioxide capture and transportation are greatly regarded. Carbon dioxide captured by chemical absorption is gaseous and is not conducive to storage and transportation. And a large amount of energy is consumed for liquefying the waste liquid.
When the carbon dioxide is subjected to seabed sequestration or needs to be transported by the ocean, the investment cost for construction of transport facilities from land to the sea is high, the operation energy consumption is high, and the transport and sequestration of the carbon dioxide face high cost pressure.
Disclosure of Invention
The invention discloses an FSRU with carbon dioxide liquefaction and transmission functions, wherein a FSRU body is docked at a wharf, receives LNG (liquefied natural gas) conveyed by an LNG (liquefied natural gas) conveying ship, vaporizes the LNG into natural gas and conveys the natural gas to an urban natural gas official network for residents to use. Meanwhile, the FSRU can receive carbon dioxide captured by a nearby thermal power plant; with the carbon dioxide of power plant's entrapment, directly with gaseous state short distance transport to FSRU on, the cold energy liquefaction back of release is directly defeated outward when utilizing LNG vaporization, has so not only effectively utilized the LNG cold energy for the long-term operation cost greatly reduced of carbon dioxide transportation has also saved the investment construction of carbon dioxide terminal, kills one birds with one stone or more.
The FSRU with the functions of carbon dioxide liquefaction and transmission comprises an electric power and power distribution system, a ballast system and a fire-fighting and life-saving system, and is characterized by further comprising an FSRU hull 1, an LNG storage tank 2, an isolation empty tank 3 and an LNG vaporization moduleBlock 4, carbon dioxide liquefaction Module 5, LCO 2 Storage tank 6, LCO 2 An output module 7, a dual-fuel generator 8, a cabin 9 and an office and living area 10;
the LNG storage tank 2 is used for storing LNG and comprises a membrane tank or a B-type tank; the film cabin is arranged below the deck;
the isolated empty tanks 3 are positioned between the LNG storage tanks 2; a heating system is arranged in the isolated empty chamber 3;
the LNG vaporization module 4 is used for vaporizing LNG and pressurizing and conveying the LNG to an urban natural gas pipe network, the vaporization module comprises a first heat exchange module for exchanging heat between the LNG and gaseous carbon dioxide, a second heat exchange module for exchanging heat with heated seawater and a temperature control module, and the temperature control module controls the temperature of the LNG to reach the standard and then outputs the LNG to the urban natural gas pipe network;
the carbon dioxide liquefaction module 5 is used for liquefying the carbon dioxide gas delivered to the FSRU with the functions of carbon dioxide liquefaction and transmission;
the LCO 2 A storage tank 6 for temporarily storing the liquefied carbon dioxide, the LCO 2 The storage tank 6 is arranged above the deck and adopts a C-shaped tank;
the LCO 2 A storage tank 6 for temporarily storing the liquefied carbon dioxide, the LCO 2 The storage tank 6 is arranged above the deck and adopts a C-shaped tank;
the LCO 2 The output module 7 is used for connecting LCO 2 Export to CO 2 A transport vessel;
the dual fuel generator 8 is arranged within the nacelle 9;
the engine room 9 comprises a 3-layer platform arranged at the stern, and system equipment matched with the dual-fuel generator 8 is arranged in the engine room 9;
the office and living area 10 is arranged on one side of the deck far away from the LNG vaporization module 4 along the direction of the ship length;
the FSRU with the functions of liquefying and transmitting carbon dioxide also comprises CO 2 Gas storage tank 11, said CO 2 A gas storage tank 11 is arranged on the deck and is connected with the carbon dioxide liquefaction module 5 through a pipelineFor temporary storage of gaseous CO for delivery to the FSRU after capture by the power plant 2 Waiting for further liquefaction processing;
the carbon dioxide liquefaction module 5 comprises a compressor B502 and a heat exchanger B404, and the carbon dioxide liquefaction module 5 is used for capturing gaseous CO 2 CO directly transported to FSRU 2 The gas storage tank 11 is temporarily stored and then is pressurized by the compressor B502 to ensure that the gaseous CO is 2 Passes through the heat exchanger B404 to make CO 2 Exchanging heat with LNG to lower the temperature, and CO is cooled under a certain pressure 2 Cooled to liquid state and stored in LCO 2 A storage tank 6; when stored to a certain amount, CO 2 By transport ships to FSRU, passing said LCO 2 The transfer pump 503 pumps LCO 2 And transporting to a transport ship.
Preferably, the temperature control module controls the temperature of the LNG to reach the standard and then outputs the LNG to an urban natural gas pipe network, and the second heat exchange module indirectly exchanges heat with the heated seawater through a glycol water medium.
Preferably, the LNG vaporization module 4 is configured to vaporize and pressurize LNG for transportation to a city natural gas pipeline network, and the LNG vaporization module 4 may further include a vaporizer 402, a heat exchanger a403, a heat exchanger C405, and a buffer tank 406; the LNG transported from the LNG storage tank 2 passes through the evaporator 402, where it exchanges heat with water glycol to completely vaporize the LNG, then the natural gas passes through the heat exchanger a403, where it exchanges heat with water glycol, and then the natural gas passes through the heat exchanger B404 and CO 2 After heat exchange, the natural gas continues to flow through the heat exchanger C405 where it exchanges heat with water vapor, after which it reaches 25 ℃ and enters the buffer tank 406.
Preferably, the single evaporator 402 and the single heat exchanger a403 are connected by a pipeline to form a heat exchange unit, and the LNG vaporization module 4 may be provided with one or more groups of heat exchange units.
Preferably, the LNG storage tank 2 is a membrane tank disposed under a deck for storing LNG, and the LNG storage tank 2 is further provided with a plurality of LNG fuel pumps 301 and a boil-off gas recovery system.
Preferably, the evaporation steam recovery system comprises a moisture separator 407, a front heater 408, an evaporation steam compressor 409, a pressure stabilizing cabinet 410 and an after cooler 411; the evaporated natural gas firstly enters the moisture separator 407 to remove water vapor, then passes through the front heater 408, exchanges heat with water glycol, is pressurized by the evaporation gas compressor 409, and then enters the pressure stabilizing cabinet 410; because the gas temperature is rapidly increased to about 130 ℃ in the process of compressing the evaporated steam, the gas enters the buffer tank 406 after the gas is subjected to heat exchange between the cooler 411 and the water glycol and the temperature reaches 25 ℃; a small portion of the natural gas in the surge tank 406 is supplied to the dual fuel generator 8 and a large portion is pressurized by compressor a412 to the city natural gas pipeline network.
Preferably, the LCO 2 The storage tank 6 is arranged on the deck, adopts a C-shaped tank and is used for storing LCO waiting for external transportation after liquefaction 2 A plurality of LCOs are arranged in the storage tank 2 A delivery pump 503; the LCO 2 LCO in storage tank 6 2 The storage temperature was-50 ℃ and the pressure was 8bar.
Preferably, the FSRU with the functions of liquefying and transferring carbon dioxide can be moored at a wharf or a fixed sea area.
Preferably, LCO 2 Can pass through CO 2 The transport ship can transport the marine sealed storage platform out through a submarine pipeline.
Preferably, the CO is 2 The transport ship can be close to the FSRU with the carbon dioxide liquefying and transmitting functions or can be in series connection with the FSRU with the carbon dioxide liquefying and transmitting functions.
The FSRU, which has both carbon dioxide liquefaction and transport functions, may be unpowered or may be self-powered.
LNG can use the LNG transport ship to transport, and the LNG transport ship can adopt by, also can lean on to the FSRU who has carbon dioxide liquefaction and transmission function concurrently in cluster.
LCO 2 The storage tank 6 may be a C-type tank installed on the deck, or may be a B-type tank or a membrane tank under the deck.
The arrangement mode of all modules on the deck of the FSRU platform can be flexibly arranged according to the platform space.
The invention has the beneficial effects that:
the FSRU with the functions of liquefying and transmitting carbon dioxide disclosed by the invention overcomes the defects of high energy consumption and waste of cold energy in the process of vaporizing the traditional LNG and simultaneously reduces CO 2 The energy consumption of liquefaction is not only energy-saving but also economic and environment-friendly.
Use of FSRU with CO 2 Liquefaction and transportation function, and CO reduction 2 The investment construction cost and the later period operation cost of the outward transport transfer station are good in economy.
Drawings
FIG. 1 is a CO design according to the present invention 2 And LNG transfer processes;
FIG. 2 is a schematic layout of an FSRU with both carbon dioxide liquefaction and transport functions;
FIG. 3 is a diagram of an LNG heat and gas exchange and supply system;
FIG. 4 is CO 2 A heat exchange and transmission system diagram.
The main components are as follows: FSRU hull-1, power plant-101, CO 2 A carrier-102, an LNG carrier-103, an LNG storage tank-2, an isolation empty tank-3, an LNG vaporization module-4, and CO 2 Liquefaction Module-5, LCO 2 Storage tank-6, LCO 2 An output module-7, a dual-fuel generator-8, a cabin-9, an office and living area-10 and CO 2 A gas storage tank-11, an LNG fuel pump-401, an evaporator-402, a heat exchanger A-403, a heat exchanger B-404, a heat exchanger C-405, a buffer tank-406, a moisture separator-407, a front heater-408, an evaporator compressor-409, a pressure stabilizing cabinet-410, an after cooler-411, a compressor A-412, a carbon dioxide trapping module-501, a compressor B-502, an LCO 2 A delivery pump-503.
Detailed Description
The invention discloses a CO designed by an FSRU1 with carbon dioxide liquefaction and transmission functions 2 And an LNG transfer scheme is shown in fig. 1.
CO 2 And (3) transportation process: in the power plant 101 near the FSRU, the exhaust gas generated during the power generation process contains a large amount of CO 2 Chemical absorption of CO 2 Collecting the collected gaseous CO 2 Delivered to the FSRU by a compressor. CO 2 2 Transportation to CO after liquefaction on FSRU 2 A carrier vessel 102 from which to transport offshore or to an offshore sequestration platform for sequestration.
LNG transportation process: the LNG carrier 103 delivers LNG to the FSRU, which vaporizes the LNG prior to pressure delivery to the city natural gas pipeline network for use by the customer.
In both schemes, CO 2 Heat release is needed for liquefaction, heat absorption is needed for LNG vaporization, the two processes are carried out on the FSRU, heat exchange is carried out between the FSRU and the FSRU, and CO 2 Liquefied by LNG cold energy and CO is utilized by natural gas 2 The heat energy is heated, thereby greatly saving the energy consumption.
According to fig. 2, the fsru hull 1 is moored at a dock, receives LNG from an LNG carrier, vaporizes the LNG into natural gas, and delivers the natural gas to an urban natural gas pipeline network for residents to use.
The LNG storage tank 2 in the FSRU is used for storing LNG transported by an LNG transport ship and is positioned below a deck, and the tank type is a film tank, so that the stability is better and the tank capacity is larger.
The isolation empty cabin 3 is positioned between the LNG storage cabins 2 and is provided with a heating system to ensure that the hull structure is not influenced by low temperature.
And the LNG vaporization module 4 is used for vaporizing and pressurizing the LNG and conveying the LNG to an urban natural gas pipe network. The vaporization module is divided into three parts, including a first heat exchange module, a second heat exchange module and a temperature control module; firstly, LNG and gaseous carbon dioxide exchange heat through a first heat exchange module, then the LNG and the gaseous carbon dioxide indirectly exchange heat with heated seawater through a glycol aqueous medium, and natural gas is conveyed to an urban natural gas pipe network after meeting the temperature requirement.
The carbon dioxide liquefaction module 5 is configured to transport the carbon dioxide gas collected by the peripheral thermal power plant to the FSRU, and then liquefy the carbon dioxide gas by the carbon dioxide liquefaction module. The carbon dioxide liquefaction module 5 comprises a heat exchange module III and a compression module, the third heat exchange module is used for enabling the heat exchange temperature of the carbon dioxide gas and the LNG to be lower than the boiling point, and the compression module is used for pressurizing the carbon dioxide gas subjected to heat exchange by the third heat exchange module into liquid and storing the liquid in the LCO 2 In the storage tank 6.
LCO 2 And the storage tank 6 is used for temporarily storing the liquefied carbon dioxide and is arranged above the deck, and the cabin type adopts a C-shaped tank.
LCO 2 An output module 7 for outputting LCO 2 CO export to FSRU berthing 2 The transport vessel.
A dual fuel generator 8 (main engine) can be fuelled with LNG or diesel to power the FSRU.
The nacelle 9 is provided with 3 layers of platforms, inside which various supporting system equipment surrounding the main machine is arranged.
The office and living areas 10 are located at a side remote from the LNG vaporization system.
The FSRU also comprises necessary equipment and systems such as an electric power and distribution system, a ballast system, a fire-fighting and life-saving system and the like. But are not limited to, the above-described devices and systems.
As shown in fig. 3, in the LNG storage tank 2, two LNG fuel pumps 301 of the type of an immersed pump are provided for supplying LNG to the outside of the tank. The LNG is passed to the vaporizer 402 where it is completely vaporized by heat exchange with water glycol. The natural gas then passes through heat exchanger a403 where it is again heat exchanged with water glycol, raising the temperature of the natural gas to about-80 ℃. The vaporizer 402 and the heat exchanger a403 may be provided in 1 group, or two or more groups, according to the specific LNG flow demand. The warmed natural gas then flows through heat exchanger B404 where the natural gas and CO are 2 Heat exchange, i.e. on the one hand using the cold energy of natural gas to convert CO 2 The temperature is reduced and liquefied, and on the other hand, the natural gas is continuously heated, so that the reasonable utilization of cold and heat energy is realized. Then the natural gas continuously flows through a heat exchanger C405, heat exchange is carried out between the natural gas and high-temperature steam, and the natural gas reaches the normal temperature of 25 ℃ after heat exchange and enters a buffer tank 406. The LNG storage tank is also provided with a boil-off steam recovery system, the boil-off steam firstly enters a moisture separator 407 to remove water vapor, then passes through a front heater 408, reaches 15 ℃ after heat exchange with water glycol, and then enters a pressure stabilizing cabinet 410 after being pressurized by a boil-off steam compressor 409. Because the gas temperature can be sharply increased to about 130 ℃ in the process of vapor compression, the gas enters the buffer tank 406 after the gas is subjected to heat exchange with the water glycol through the after-cooler 411 and the water glycol when the temperature reaches the normal temperature of 25 ℃, and a small part of natural gas in the buffer tank is supplied to the dual-fuel engineThe motor 8, most of the other, is supplied under pressure to the city natural gas pipeline network through the compressor a 412.
As shown in FIG. 4, the gaseous CO captured at the power plant by the carbon dioxide capture module 501 2 CO directly transported to FSRU 2 Temporarily storing in a gas storage tank 11, and pressurizing by a compressor B502 to make gaseous CO 2 Passes through heat exchanger B404 where CO 2 Exchanging heat with natural gas to lower the temperature, and CO at a certain pressure 2 Cooled to liquid state and stored in LCO 2 And a storage tank 6. When stored to a certain amount, CO 2 The transport vessel 102 is alongside the FSRU hull, passing through the LCO 2 The transfer pump 503 pumps LCO 2 And (4) conveying the materials to a transport ship, and then carrying out subsequent utilization or sealing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. The FSRU with the functions of carbon dioxide liquefaction and transmission comprises an electric power and distribution system, a ballast system and a fire-fighting life-saving system, and is characterized by further comprising an FSRU hull (1), an LNG storage tank (2), an isolation empty tank (3), an LNG vaporization module (4), a carbon dioxide liquefaction module (5), and an LCO 2 Storage tank (6), LCO 2 An output module (7), a dual-fuel generator (8), a cabin (9) and an office and living area (10);
the LNG storage tank (2) is used for storing LNG and comprises a membrane tank or a B-type tank; the film cabin is arranged below the deck;
the isolated empty cabins (3) are positioned between the LNG storage cabins (2); a heating system is arranged in the isolated empty cabin (3);
the LNG vaporization module (4) is used for vaporizing LNG and pressurizing and conveying the LNG to an urban natural gas pipe network, the vaporization module comprises a first heat exchange module for exchanging heat between the LNG and gaseous carbon dioxide, a second heat exchange module for exchanging heat with heated seawater and a temperature control module, and the temperature control module controls the temperature of the LNG to reach the standard and then outputs the LNG to the urban natural gas pipe network;
the carbon dioxide liquefying module (5) is used for liquefying carbon dioxide gas conveyed to the FSRU with the functions of carbon dioxide liquefying and transmitting;
the LCO 2 A storage tank (6) for temporarily storing liquefied carbon dioxide, the LCO 2 The storage tank (6) is arranged above the deck and adopts a C-shaped tank;
the LCO 2 A storage tank (6) for temporarily storing liquefied carbon dioxide, the LCO 2 The storage tank (6) is arranged above the deck and adopts a C-shaped tank;
the LCO 2 The output module (7) is used for outputting LCO 2 Export to CO 2 A transport vessel;
the dual fuel generator (8) is arranged within the nacelle (9);
the engine room (9) is arranged at the stern, and system equipment matched with the dual-fuel generator (8) is arranged in the engine room (9);
the office and living area (10) is arranged on one side of the deck far away from the LNG vaporization module (4) along the ship length direction;
the FSRU with the functions of liquefying and transmitting carbon dioxide also comprises CO 2 Gas storage tank 11, said CO 2 A gas storage tank 11 is arranged on the deck, connected with the carbon dioxide liquefaction module (5) through a pipeline and used for temporarily storing the gaseous CO which is collected by the power plant and then conveyed to the FSRU 2 Waiting for further liquefaction processing;
the carbon dioxide liquefaction module (5) comprises a compressor B (502) and a heat exchanger B (404), and the carbon dioxide liquefaction module (5) collects the gaseous CO 2 CO directly transported to FSRU 2 The gas storage tank (11) is temporarily stored, and then the gas is pressurized by the compressor B (502) to ensure that the gaseous CO is 2 Passing through the heat exchanger B (404) such that CO 2 Exchanging heat with LNG to lower the temperature, and CO is cooled under a certain pressure 2 Cooled to liquid state and stored in LCO 2 A tank (6); when stored to a certain amount, CO 2 By transport ships to FSRU, passing said LCO 2 A transfer pump (503) pumps LCO 2 To transport to a carrierThe above.
2. The FSRU with carbon dioxide liquefaction and transmission functions as claimed in claim 1, wherein the temperature control module controls the temperature of the LNG to reach a standard and then outputs the LNG to a city natural gas pipe network, and the second heat exchange module indirectly exchanges heat with the heated seawater through a glycol aqueous medium.
3. The FSRU with carbon dioxide liquefaction and transfer functions as claimed in claim 1, wherein the LNG vaporization module (4) is configured to vaporize and pressurize LNG for delivery to city natural gas pipeline network, and the LNG vaporization module (4) further comprises a vaporizer (402), a heat exchanger a (403), a heat exchanger C (405), and a buffer tank (406); LNG transported from the LNG storage tank (2) is passed through the vaporizer (402) where it is completely vaporized by heat exchange with water glycol, then passed through the heat exchanger A (403) where it is again heat exchanged with water glycol, and then passed through the heat exchanger B (404) where it is passed through with CO 2 After heat exchange, the natural gas continues to flow through the heat exchanger C (405) where it exchanges heat with water vapor, after which it reaches 25 ℃ and enters the surge tank (406).
4. An FSRU with carbon dioxide liquefaction and transfer functions as claimed in claim 3, wherein a single evaporator (402) and a single heat exchanger A (403) are connected through a pipeline to form a heat exchange unit, and the LNG vaporization module (4) can be provided with one or more groups of heat exchange units.
5. The FSRU with both carbon dioxide liquefaction and carbon dioxide transfer functions as claimed in claim 1, wherein the LNG storage tank (2) is a membrane tank disposed under a deck for storing LNG, and a plurality of LNG fuel pumps (301) and a boil-off gas recovery system are further disposed in the LNG storage tank (2).
6. The FSRU with carbon dioxide liquefaction and transfer functions as claimed in claim 5, wherein the boil-off vapor recovery system comprises a moisture separator (407), a front heater (408), a boil-off vapor compressor (409), a surge tank (410), and an aftercooler (411); the evaporated natural gas firstly enters the moisture separator (407) to remove water vapor, then passes through the front heater (408) to exchange heat with water glycol, and then enters the pressure stabilizing cabinet (410) after being pressurized by the evaporation gas compressor (409); because the gas temperature can be sharply increased to about 130 ℃ in the process of compressing the evaporated steam, the gas enters the buffer tank (406) after the gas is subjected to heat exchange with water glycol by the cooler (411) and the water glycol, and the temperature reaches 25 ℃; a small part of the natural gas in the buffer tank (406) is supplied to the dual-fuel generator (8), and the other large part of the natural gas is pressurized and supplied to a city natural gas pipeline network through a compressor A (412).
7. The FSRU with carbon dioxide liquefaction and transport functions as claimed in claim 1, wherein the LCO is 2 The storage tank (6) is arranged on the deck, adopts a C-shaped tank and is used for storing the LCO waiting for external transportation after liquefaction 2 A plurality of LCOs are arranged in the storage tank 2 A delivery pump (503); the LCO 2 LCO in a tank (6) 2 The storage temperature was-50 ℃ and the pressure was 8bar.
8. The FSRU with carbon dioxide liquefaction and transmission functions as claimed in claim 1, wherein the FSRU with carbon dioxide liquefaction and transmission functions can be moored at a wharf or a fixed sea area.
9. The FSRU having both carbon dioxide liquefaction and carbon dioxide transport functions as claimed in claim 1, wherein the LCO 2 Can pass through CO 2 The transport ship can transport the marine sealed storage platform out through a submarine pipeline.
10. The FSRU capable of liquefying and transporting carbon dioxide as claimed in claim 9, wherein the CO is CO 2 The transport ship can be close to the FSRU with the carbon dioxide liquefying and transmitting functions or can be in series connection with the FSRU with the carbon dioxide liquefying and transmitting functions.
CN202211567903.9A 2022-01-29 2022-12-08 FSRU with carbon dioxide liquefaction and transmission functions Pending CN115823481A (en)

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