WO2022260122A1 - Système d'ajustement de pression de dioxyde de carbone liquéfié et procédé d'ajustement de pression de dioxyde de carbone liquéfié - Google Patents

Système d'ajustement de pression de dioxyde de carbone liquéfié et procédé d'ajustement de pression de dioxyde de carbone liquéfié Download PDF

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Publication number
WO2022260122A1
WO2022260122A1 PCT/JP2022/023261 JP2022023261W WO2022260122A1 WO 2022260122 A1 WO2022260122 A1 WO 2022260122A1 JP 2022023261 W JP2022023261 W JP 2022023261W WO 2022260122 A1 WO2022260122 A1 WO 2022260122A1
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WO
WIPO (PCT)
Prior art keywords
carbon dioxide
liquefied carbon
floating body
dioxide gas
transport ship
Prior art date
Application number
PCT/JP2022/023261
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English (en)
Japanese (ja)
Inventor
孝 平川
紀之 国分
和仁 市原
賢兒 金
哲也 安田
治樹 吉本
Original Assignee
ジャパンマリンユナイテッド株式会社
千代田化工建設株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ジャパンマリンユナイテッド株式会社, 千代田化工建設株式会社 filed Critical ジャパンマリンユナイテッド株式会社
Priority to AU2022289804A priority Critical patent/AU2022289804A1/en
Priority to EP22820301.4A priority patent/EP4353582A1/fr
Publication of WO2022260122A1 publication Critical patent/WO2022260122A1/fr

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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 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines

Definitions

  • the present invention relates to a system and method for injecting liquefied carbon dioxide gas (liquefied CO 2 ) in CCS (Carbon Capture and Storage).
  • CCS carbon dioxide capture and storage
  • CCS liquefied carbon dioxide transportation/injection method
  • the separated and recovered CO2 is compressed and liquefied, temporarily stored in a land tank in the form of liquefied carbon dioxide, loaded from the tank on a liquefied carbon dioxide transport ship, and transported to the storage point.
  • the liquefied carbon dioxide gas is injected from a liquefied carbon dioxide transport ship into the aquifer under the seabed (see, for example, Patent Document 1).
  • liquefied carbon dioxide for example, -10 ° C / 2.289 MPa ⁇ -50°C/0.684 MPa
  • a predetermined pressure 10 MPa or more
  • the temperature is raised to 0°C or more and press-fitting is performed.
  • the present invention has been made in view of such circumstances, and its object is to provide a liquefied carbon dioxide injection system and a liquefied carbon dioxide injection method that can inject liquefied carbon dioxide into the seabed at low cost. .
  • a liquefied carbon dioxide gas injection system includes a floating body moored offshore and a temperature raising and pressurizing facility mounted on the floating body for raising the temperature and pressure of the liquefied carbon dioxide gas. , a loading hose for sending liquefied carbon dioxide from the liquefied carbon dioxide gas storage tank in the liquefied carbon dioxide transport ship to the temperature raising and pressurizing equipment of the floating body, and liquefaction whose temperature and pressure are raised by the temperature raising and pressurizing equipment connected to the floating body. and a flexible riser pipe for sending and injecting carbon dioxide into the seabed.
  • This floating body does not have a tank to store liquefied carbon dioxide gas, and the injection system is operated remotely from the transport ship and is operated unmanned.
  • Another aspect of the present invention is a liquefied carbon dioxide injection method.
  • This method includes the steps of approaching a floating body moored off the ocean with a liquefied carbon dioxide transport ship, and connecting a gangway provided on the liquefied carbon dioxide transport ship to the floating body so that a worker can reach the floating body from the liquefied carbon dioxide transport ship.
  • a step of raising the temperature and pressure of the liquefied carbon dioxide by a temperature raising and pressurizing equipment and a step of sending the raised and pressurized liquefied carbon dioxide to the seabed through a flexible riser pipe and injecting it into the seabed.
  • FIG. 1 is a diagram showing a schematic flow of CCS using a liquefied carbon dioxide gas injection system according to an embodiment of the present invention
  • FIG. 1 is a schematic diagram of a liquefied carbon dioxide injection system according to an embodiment of the present invention
  • FIG. 1 is a diagram showing a schematic flow of CCS using a liquefied carbon dioxide gas injection system according to an embodiment of the present invention.
  • FIG. 1 shows a liquefied carbon dioxide transport/injection type CCS.
  • CO 2 is separated and captured from a CO 2 generating source such as flue gas of a coal-fired power plant using, for example, a chemical absorption method.
  • a CO 2 generating source such as flue gas of a coal-fired power plant using, for example, a chemical absorption method.
  • the collected CO 2 is compressed and liquefied by the compression/liquefaction device 101 and stored in the tank 102 on land in the form of liquefied carbon dioxide.
  • the liquefied carbon dioxide gas is loaded from the tank 102 onto the liquefied carbon dioxide transport vessel 100 using the loading arm 103 and transported to the floating body 12 moored on the ocean 110 .
  • the liquefied carbon dioxide loaded on the liquefied carbon dioxide transport ship 100 is sent by the loading hose 14 to the temperature raising and pressurizing equipment mounted on the floating body 12 .
  • the liquefied carbon dioxide gas which has been heated and pressurized by the temperature raising and pressurizing equipment, is sent to the wellhead equipment 104 installed on the seabed 112 via the flexible riser pipe 16 .
  • the liquefied carbon dioxide gas is injected into the subseafloor reservoir 114 by wellhead equipment 104 .
  • FIG. 2 is a schematic diagram of the liquefied carbon dioxide injection system 10 according to the embodiment of the present invention.
  • the liquefied carbon dioxide gas injection system 10 includes a floating body 12 moored on the ocean 110, a temperature raising and pressurizing device 18 mounted on the floating body 12, a loading hose 14 connecting the liquefied carbon dioxide transport ship 100 and the floating body 12, A flexible riser pipe 16 always connected to the floating body 12 and a gangway 24 spanned between the liquefied carbon dioxide transport ship 100 and the floating body 12 are provided.
  • the liquefied carbon dioxide transport ship 100 includes a liquefied carbon dioxide storage tank 20 and a gangway 24 .
  • the liquefied carbon dioxide storage tank 20 stores liquefied carbon dioxide (liquefied CO 2 ).
  • the temperature of liquefied carbon dioxide may be, for example, ⁇ 10° C. to ⁇ 50° C.
  • the pressure of liquefied carbon dioxide may be, for example, 2.289 MPa to 0.684 MPa.
  • the gangway 24 is a movable connecting bridge (telescopic gangway) for enabling workers to come and go between the liquefied carbon dioxide gas transport ship 100 and the floating body 12, and has the functions of moving, ascending, descending, and expanding and contracting. .
  • the gangway 24 is installed on the liquefied carbon dioxide transport ship 100 .
  • the gangway 24 spans from the liquefied carbon dioxide gas transport ship 100 to the floating body 12 when the liquefied carbon dioxide gas transport ship 100 approaches the floating body 12 .
  • the floating body 12 is an advanced spar (SPAR (cylindrical)) type simple floating offshore base.
  • the advanced spar type floating body is characterized by its small size and low vibration.
  • the floating body 12 includes an upper hull portion 30 located in the sea, a lower hull portion 32 located in the sea, and a column portion 34 connecting the upper hull portion 30 and the lower hull portion 32 .
  • the advanced spar-type floating body reduces sway by canceling out the wave pressure between the upper hull section 30 and the lower hull section 32 .
  • the advanced spar-type floating structure since the advanced spar-type floating structure has a smaller draft than normal spar-type floating structures, it can be constructed and transported in an upright position and installed in relatively shallow water.
  • a mooring cable 36 extending from the seabed is connected to the lower hull section 32 .
  • a turntable 38 is provided on the upper portion of the upper hull portion 30, and a loading hose reel 40 and a mooring hawser winch 42 are installed on the turntable 38. As shown in FIG. 2,
  • An upper hull portion 30 of the floating body 12 is provided with a temperature raising/boosting equipment 18 and a power generating equipment 19 that supplies power to the temperature raising/boosting equipment 18 .
  • the temperature raising and pressurizing equipment 18 injects liquefied carbon dioxide (for example, ⁇ 10° C./2.289 MPa to ⁇ 50° C./0.684 MPa) received through the loading hose 14 into the seabed reservoir 114 (see FIG. 1). and to raise the temperature to prevent clogging due to freezing of surrounding water and formation of CO 2 hydrate when liquefied carbon dioxide gas is injected into the reservoir 114 .
  • liquefied carbon dioxide for example, ⁇ 10° C./2.289 MPa to ⁇ 50° C./0.684 MPa
  • injection pressure varies depending on the depth of the reservoir 114, the permeability, etc., but is generally indicated by "Static Head + 3 MPa to the breaking pressure of the shielding layer" at the injection point.
  • Static Head + 3 MPa to the breaking pressure of the shielding layer at the injection point.
  • the injection pressure is preferably about 10 MPa to 20 MPa at the seabed wellhead facility 104 (see FIG. 1). becomes.
  • the injection temperature of liquefied carbon dioxide is preferably 0°C or higher.
  • the loading hose 14 is a hose for sending the liquefied carbon dioxide 22 stored in the liquefied carbon dioxide storage tank 20 inside the liquefied carbon dioxide transport ship 100 to the temperature raising and pressurizing equipment 18 of the floating body 12 .
  • the loading hose 14 connects the liquefied carbon dioxide gas storage tank 20 and the temperature raising/pressurizing equipment 18 .
  • a hose other than the loading hose 14 may be interposed between the liquefied carbon dioxide gas storage tank 20 and the temperature raising/pressurizing equipment 18 . Transfer of the liquefied carbon dioxide gas 22 is performed using a cargo pump 21 .
  • a drum (not shown) for temporarily storing the liquefied carbon dioxide 22 from the liquefied carbon dioxide storage tank 20 may be arranged before the temperature raising and pressurizing equipment 18 .
  • the liquefied carbon dioxide gas that has been heated and pressurized by the temperature raising and pressurizing equipment 18 is sent to the wellhead equipment 104 on the seabed via the flexible riser pipe 16 and injected into the reservoir 114 .
  • One end of the flexible riser pipe 16 is permanently connected to the upper hull portion 30 of the floating body 12, and the other end of the flexible riser pipe 16 is connected to the subsea wellhead facility 104 (see FIG. 1).
  • one flexible riser pipe 16 is illustrated in FIG. 2, a plurality of flexible riser pipes 16 may be arranged as shown in FIG.
  • the liquefied carbon dioxide transport ship 100 approaches the floating body 12 moored offshore. Then, the mooring hawser 44 is used to bring the liquefied carbon dioxide transport ship 100 close to the floating body 12 to a position of about 30 m.
  • the gangway 24 provided on the liquefied carbon dioxide transport ship 100 is connected to the floating body 12 .
  • a worker moves from the liquefied carbon dioxide transport ship 100 to the floating body 12 via the gangway.
  • the loading hose 14 wound around the loading hose reel 40 of the floating body 12 is let out and connected to the bow loading system 48 provided on the liquefied carbon dioxide transport ship 100 .
  • the liquefied carbon dioxide gas storage tank 20 in the liquefied carbon dioxide transport ship 100 and the temperature raising and pressurizing equipment 18 mounted on the floating body 12 are connected.
  • the worker who has moved to the floating body 12 activates the power generation equipment 19 and the temperature raising/boosting equipment 18 of the floating body 12 .
  • the liquefied carbon dioxide gas is sent from the liquefied carbon dioxide gas storage tank 20 to the heating and pressurizing equipment 18 via the loading hose 14 .
  • the temperature raising/pressurizing equipment 18 raises the temperature (approximately 0° C.) and pressurizes (approximately 10 MPaG) the received liquefied carbon dioxide gas.
  • the liquefied carbon dioxide gas heated and pressurized by the temperature raising and pressurizing equipment 18 is sent to the seabed by the flexible riser pipe 16, and injection into the reservoir 114 is started.
  • the worker uses the gangway 24 to return to the liquefied carbon dioxide transport ship 100.
  • the floating body 12 becomes unmanned.
  • the gangway 24 is separated from the floating body 12.
  • the liquefied carbon dioxide transport ship 100 is moved to a position away from the floating body 12 .
  • the liquefied carbon dioxide transport ship 100 is moored at a position about 100 m to 120 m away from the floating body 12 by a mooring hawser 44 .
  • the steady injection operation of liquefied carbon dioxide gas begins. Until the submarine injection of the liquefied carbon dioxide 22 stored in the liquefied carbon dioxide storage tank 20 of the liquefied carbon dioxide transport ship 100 is completed, the power generation equipment 19 and the temperature raising and pressurizing equipment 18 of the floating body 12 are operated unmanned, and the liquefied carbon dioxide is transported. Monitor and operate remotely from ship 100 .
  • the liquefied carbon dioxide gas transport ship 100 is brought close to the floating body, the gangway 24 is connected to the floating body 12, and an operator moves from the liquefied carbon dioxide gas transport ship 100 to the floating body 12 to perform inspection work. After completing the inspection work, the worker returns to the liquefied carbon dioxide transport ship 100 from the floating body 12 . After that, the gangway 24 is separated from the floating body 12, and the liquefied carbon dioxide transport ship 100 is moved to a position away from the floating body 12 and moored. The same applies when a failure occurs in the equipment of the floating body 12 or the like.
  • the liquefied carbon dioxide gas transport ship 100 is brought close to the floating body, the gangway 24 is connected to the floating body 12, the worker moves from the liquefied carbon dioxide gas transport ship 100 to the floating body 12, stops the power generation equipment 19 and the temperature raising and boosting equipment 18, Stop injecting liquefied carbon dioxide.
  • the loading hose 14 is separated from the liquefied carbon dioxide transport ship 100 and wound up by the loading hose reel 40 on the turntable 38 of the floating body 12 .
  • the gangway 24 is separated from the floating body 12.
  • the liquefied carbon dioxide transport vessel 100 is separated from the floating body 12 using the propulsion device.
  • the mooring hawser 44 is kept floating on the sea until the next liquefied carbon dioxide transport vessel 100 comes.
  • the liquefied carbon dioxide injection system 10 has been described above.
  • the liquefied carbon dioxide gas injection system 10 according to the present embodiment the liquefied carbon dioxide gas is directly supplied from the liquefied carbon dioxide storage tank 20 of the liquefied carbon dioxide transport ship 100 to the temperature raising and pressurizing equipment 18 of the floating body 12.
  • the liquefied carbon dioxide gas storage tank 20 originally provided in the liquefied carbon dioxide gas transport ship 100 is diverted as a storage tank. Therefore, the size of the floating body 12 can be reduced, and the construction cost of the floating body 12 can be significantly reduced.
  • the liquefied carbon dioxide gas injection system 10 uses an advanced spar type floating body because the floating body 12 can be made smaller. Since the advanced spar-type floating body has a feature that it does not easily sway even in waves, it is possible to stably continue operation without stopping the operation of the temperature raising and pressurizing equipment 18 even in ocean waves. Further, since the advanced spar-type floating body is low in swaying even in waves, the load applied to the connecting portion between the flexible riser pipe 16 and the floating body 12 is reduced. As a result, the useful life of the flexible riser pipe 16 can be increased.
  • the worker moves from the liquefied carbon dioxide transport ship 100 to the floating body 12 using the gangway 24 only when necessary, such as when the temperature raising and pressurizing equipment 18 is started. Since the work is carried out by using the floating body 12, there is no need to stay permanently on the floating body 12, and the floating body 12 can be unmanned. After starting the steady injection operation, the facility of the floating body 12 is remotely monitored and operated from the liquefied carbon dioxide transport ship 100 . As a result, there is no need to provide the floating body 12 with facilities (housing facilities, etc.) for workers to stay permanently, and the construction cost of the floating body 12 can be reduced. In addition, since it is possible to reduce labor costs by not requiring permanent residence on the floating body 12, further cost reduction is possible.
  • the sway-absorbing gangway facility enables workers to move without hindrance even under ocean waves.
  • the gangway 24 is used to move workers from the liquefied carbon dioxide transport ship 100 to the floating body 12 .
  • the gangway 24 is used to move workers from the liquefied carbon dioxide transport ship 100 to the floating body 12 .
  • it is possible to transfer under high waves, so it is possible to improve the efficiency of the loading hose connection work and the operating rate of the entire press-in work process.
  • safety can be improved.
  • the pressure of the liquefied carbon dioxide gas when transferred from the liquefied carbon dioxide transport ship 100 to the floating body 12 is Low pressures (eg, 0.684 MPa to 2.289 MPa) can be used. This eliminates the need for attaching and detaching the high-pressure pipe, thereby improving workability.
  • the temperature raising and pressurizing equipment 18 is mounted on the floating body 12, the liquefied carbon dioxide transport ship 100 does not need to be equipped with the temperature raising and pressurizing equipment, so the construction cost of the liquefied carbon dioxide transport ship 100 can be greatly reduced.
  • the flexible riser pipe 16 which is a high-pressure pipe, is always connected to the floating body 12. Therefore, there is no need to attach or detach the flexible riser pipe 16 at the start or end of the submarine injection work of liquefied carbon dioxide gas, and the need for a special and expensive submarine system connecting the transport ship and the seabed is eliminated, improving the work efficiency.
  • an advanced spar type floating body is used as the floating body, but the floating body is not limited to the advanced spar type, and may be a normal spar type floating body.
  • the present invention can be used for CCS (carbon dioxide capture and storage).

Abstract

La présente invention concerne un système d'ajustement de pression de dioxyde de carbone liquéfié (10) comprenant : un corps flottant (12) amarré sur la mer ; un équipement d'élévation de température/d'élévation de pression (18) qui est installé sur le corps flottant (12) et qui est destiné à élever la température et à élever la pression du dioxyde de carbone liquéfié ; un tuyau de chargement (14) pour envoyer le dioxyde de carbone liquéfié à l'équipement d'élévation de température/d'élévation de pression (18) du corps flottant (12) à partir d'un réservoir de stockage de dioxyde de carbone liquéfié (20) à l'intérieur d'un navire de transport de dioxyde de carbone liquéfié (100) ; et une colonne montante souple (16) qui est reliée au corps flottant (12) et qui est destinée à envoyer le dioxyde de carbone liquéfié, qui a été élevé en température et élevé en pression par l'équipement d'élévation de température/d'élévation de pression (18), vers le fond marin et à l'ajuster par pression dans le fond marin.
PCT/JP2022/023261 2021-06-10 2022-06-09 Système d'ajustement de pression de dioxyde de carbone liquéfié et procédé d'ajustement de pression de dioxyde de carbone liquéfié WO2022260122A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2022289804A AU2022289804A1 (en) 2021-06-10 2022-06-09 Liquefied carbon dioxide press-fitting system and liquefied carbon dioxide press-fitting method
EP22820301.4A EP4353582A1 (fr) 2021-06-10 2022-06-09 Système d'ajustement de pression de dioxyde de carbone liquéfié et procédé d'ajustement de pression de dioxyde de carbone liquéfié

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-097626 2021-06-10
JP2021097626A JP2022189193A (ja) 2021-06-10 2021-06-10 液化炭酸ガス圧入システムおよび液化炭酸ガス圧入方法

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WO2022260122A1 true WO2022260122A1 (fr) 2022-12-15

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JP (1) JP2022189193A (fr)
AU (1) AU2022289804A1 (fr)
WO (1) WO2022260122A1 (fr)

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WO2023191634A1 (fr) * 2022-03-30 2023-10-05 Stena Power & Lng Solutions As Procédé et système de capture et d'injection de carbone en mer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003072675A (ja) * 2001-09-04 2003-03-12 Mitsubishi Heavy Ind Ltd 水素製造プラントを備えた水素回収システム
JP2012132141A (ja) * 2010-12-17 2012-07-12 Mitsubishi Heavy Ind Ltd 柱状構造体及び柱状構造体の海底延伸方法
JP2016084630A (ja) 2014-10-27 2016-05-19 三菱重工業株式会社 ライザー管装置、ライザー管揚降システム及びライザー管揚降方法
KR20160141532A (ko) * 2015-06-01 2016-12-09 대우조선해양 주식회사 Ｆｌｎｇ의 천연가스 인입시스템 및 천연가스 인입방법
KR20170139846A (ko) * 2016-06-10 2017-12-20 대우조선해양 주식회사 해양 플랜트
JP2020172872A (ja) * 2019-04-09 2020-10-22 三菱重工業株式会社 セミサブ浮体、及びセミサブ浮体を用いた風車の洋上設置方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003072675A (ja) * 2001-09-04 2003-03-12 Mitsubishi Heavy Ind Ltd 水素製造プラントを備えた水素回収システム
JP2012132141A (ja) * 2010-12-17 2012-07-12 Mitsubishi Heavy Ind Ltd 柱状構造体及び柱状構造体の海底延伸方法
JP2016084630A (ja) 2014-10-27 2016-05-19 三菱重工業株式会社 ライザー管装置、ライザー管揚降システム及びライザー管揚降方法
KR20160141532A (ko) * 2015-06-01 2016-12-09 대우조선해양 주식회사 Ｆｌｎｇ의 천연가스 인입시스템 및 천연가스 인입방법
KR20170139846A (ko) * 2016-06-10 2017-12-20 대우조선해양 주식회사 해양 플랜트
JP2020172872A (ja) * 2019-04-09 2020-10-22 三菱重工業株式会社 セミサブ浮体、及びセミサブ浮体を用いた風車の洋上設置方法

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JP2022189193A (ja) 2022-12-22
EP4353582A1 (fr) 2024-04-17

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