GB2484635A - Floating dock type liquid carbon dioxide transport ship and transport method thereof - Google Patents
Floating dock type liquid carbon dioxide transport ship and transport method thereof Download PDFInfo
- Publication number
- GB2484635A GB2484635A GB1202079.8A GB201202079A GB2484635A GB 2484635 A GB2484635 A GB 2484635A GB 201202079 A GB201202079 A GB 201202079A GB 2484635 A GB2484635 A GB 2484635A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carbon dioxide
- storage container
- transport ship
- transport
- liquid carbon
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/14—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed pressurised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/40—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
- B63B35/42—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels with adjustable draught
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C1/00—Dry-docking of vessels or flying-boats
- B63C1/02—Floating docks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention relates to a floating dock type liquid carbon dioxide transport ship, wherein a storage container is prepared to be detachably attached to a transport ship for storing liquid carbon dioxide of room temperature/high pressure or low temperature/low pressure, and secured to the transport ship on which the floating dock concept has been applied, so that the transport ship transports the liquid carbon dioxide from a land harbor to a marine storage facility. The following effects are generated according to the present invention. First, it is not necessary for the transport ship to stay at the harbor or the storage facility during the period of loading/unloading and injection of the liquid carbon dioxide. That is, transport efficiency may be maximized by noticeably reducing the mooring time of the transport ship. Second, an additional temporary storing facility is not required at the land harbor and the marine storage facility. Therefore, it is possible to reduce investment costs for a large-scale temporary storing facility. Third, a transport ship on which the storage container is not loaded may be used for many purposes, such as a general cargo ship, a container ship or the like. Fourth, the transport ship and the storage container are separately manufactured and managed so that the manufacture and maintenance thereof are advantageous.
Description
FLOATING DOCK TYPE LIQUID CARBON DIOXIDE TRANSPORT SHIP
AND TRANSPORT METHOD THEREOF
Technical Field
The present invention relates to a liquid carbon dioxide transport method in a technology for performing collecting, transporting, and storing carbon dioxide, and more particularly to a transport ship for transporting carbon dioxide which is a representative greenhouse gas causing a change in climate on a large scale by means of oceans and storing the carbon dioxide either underwater or underground.
Background Art
A technology of separating carbon dioxide in the sea bed (briefly referred to as "a 002 offshore geological storage technology") refers to a technology of transporting carbon dioxide collected from a large-scale generating source such as power plants and steel mills through pipelines or ships, and storing and managing the carbon dioxide under marine sedimentary layers (oil/gas fields, deep saline aquifers, coal layers, etc.) on a large scale for more than several hundreds to several thousands of years.
In general, carbon dioxide collected in a steel mill, a power plant, etc. exists in a gaseous state at room temperature/ambient pressure, and very big transport ships are necessary to feed the carbon dioxide to an offshore storage site on a large scale of several hundreds of thousands of tons per year.
Thus, according to a conventional technology (a patent of Statoil Inc.), carbon dioxide is changed into liquid carbon dioxide at a temperature higher than a triple point (-56.5 °C) and lower than a critical point (31.1 °C) and a pressure higher than a triple point (5.18 bar) and lower than a critical point (73.9 bar) to transport the liquid carbon dioxide. The succeeding conventional technologies have suggested a large-scale (22,800 m3) tanker type transport ship (Japan) which maintains liquid carbon dioxide at -55 00 and 5 bar and a small-sized (1,250 m3) tanker type transport ship (Norway). However, the conventional technologies have suggested only carbon dioxide dedicated transport ships where a storage space for large-scale transportation and a propeller are integrated.
However, when such a tanker type liquid carbon dioxide dedicated transport ship is used, a plurality of large-scale storage tanks (pressurized containers) for temporarily storing liquid carbon dioxide are required before the carbon dioxide is loaded and unloaded at a land harbor. Also, in order to increase the number of sailings of a tanker type liquid carbon dioxide transport ship and to enhance managing efficiency, a large-scale temporary storage facility should be installed in the vicinity of a marine storage site so that the liquid carbon dioxide can be injected into the offshore sedimentary layer. That is, when the conventional technology is used, a plurality of large-scale temporary storage facilities are required both on the land and in the sea to increase the sailing efficiency of a 1 0 transport ship.
Disclosure
Technical Problem Therefore, the present invention has been made in view of the above-mentioned problems, and the present invention provides a new concept of a liquid carbon dioxide transport ship which purifies, dehydrates, compresses, and liquefies carbon dioxide collected at a large-scale carbon dioxide generating site such as a steel mill, a power plant, etc. to make carbon dioxide at room temperature/high pressure and low temperature/low pressure and transports the carbon dioxide to the underwater or marine storage site. According to the present invention, unlike a conventional technology where a hull of a transport ship and a storage tank are designed to be manufactured integrally, a storage container capable of storing liquid carbon dioxide at room temperature/high pressure or low temperature/low pressure is detachably attached to the transport ship, so that the storage container to which a floating dock concept is applied is carried on the transport ship to be transported from a land harbor to a marine storage site.
The other objects and advantages of the present invention will be described hereinbelow, and the present invention should be construed to have a wider range of scope not only by the items and embodiments disclosed in the claims of the present invention but by means within their scopes and combination of them.
Technical solution In accordance with an aspect of the present invention, there is provided a floating dock type liquid carbon dioxide transport ship, including: a storage container for storing liquid carbon dioxide at room temperature/high pressure or low temperature/low pressure; and a transport ship for loading and unloading the storage container through a process of ascending and descending on an ocean and carrying the storage container while the storage container is loaded, wherein the storage container and the transport ship are separable from each other.
Advantageous effects The present invention has the following effects. First, it is not necessary for the transport ship to stay at the harbor or the storage facility during the period of loading/unloading and injection of the liquid carbon dioxide. That is, transport efficiency may be maximized by noticeably reducing the mooring time of the transport ship. Second, an additional temporary storing facility is not required at the land harbor or the marine storage facility. Therefore, it is possible to reduce investment costs for a large-scale temporary storing facility. Third, a transport ship on which the storage container is not loaded may be used for many purposes, such as a general cargo ship, a container ship or the like. Fourth, the transport ship and the storage container are separately manufactured and managed so that the manufacture and maintenance thereof are advantageous.
The other effects may be construed not only by the embodiments and the claims but also by the effects induced from them and the possible advantages contributing to industrial development.
Brief Description of the Drawings
The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which: FIG. I illustrates an entire appearance of a floating dock type liquid carbon dioxide transport ship according to the present invention; FIG. 2 illustrates a situation where a storage container is loaded and unloaded on and from a land harbor according to an embodiment of the present invention; FIG. 3 illustrates a situation where a transport ship equipped with a storage container departs from a land harbor according to an embodiment of the present invention; FIG. 4 illustrates a situation where a transport ship transports a storage container to a marine carbon dioxide storage site according to an embodiment of the present invention; FIG. 5 illustrates a situation where a storage container is loaded and unloaded on and from a marine carbon dioxide storage site according to an embodiment of the present invention; FIG. 6 illustrates a situation where carbon dioxide is stored in a storage facility by means of a floatable storage container according to an embodiment of the present invention; and FIG. 7 illustrates a situation where carbon dioxide is stored in a storage facility by means of a submergible storage container according to an embodiment of the present invention.
Best Mode Mode for Invention Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. In a description of the present invention, when it is determined that a detailed description of related known configurations and functions can make the gist of the present invention unclear, they may not be described in detail. Further, although the exemplary embodiments of the present invention will be described, it is apparent that the technical spirit of the present invention is not limited or confined thereto, but may be modified and carried out in various ways by those skilled in the art.
FIG. I illustrates an entire appearance of a floating dock type liquid carbon dioxide transport ship according to the present invention. Here, FIG. IA shows an appearance of a transport ship and FIG. I B shows an appearance where a storage container is loaded on the transport ship.
The floating dock type liquid carbon dioxide transport ship according to the present invention includes a storage container which can store liquid carbon dioxide at room temperature/high pressure or low temperature/low pressure, and a transport ship which can load and unload the storage container through a process of ascending and descending on an ocean and carrying the storage container.
Then, the storage container and the transport ship can be separated from each other, and the storage container is manufactured to be attached and detached to and from the transport port. In this case, a mechanical means on the transport ship for attaching and detaching the storage container may include those commonly applied to a floating dock.
The storage container is a high-capacity low-pressure (or high-pressure) container which can store liquid carbon dioxide at room temperature/low pressure or low temperature/low pressure obtained by purifying, dehydrating, compressing, and liquefying carbon dioxide collected from a large-scale carbon dioxide generating place.
The transport ship is a ship to which the storage container can be mounted, and can load or unload the storage container using a floating dock concept. That is, a floating dock is a huge box-shaped marine structure and refers to a facility for inspection or repair which is submerged in the ocean by filling seawater therein so that a ship can be contained therein to be floated and then the seawater can be discharged. The transport ship loads and unloads the storage container through a process of ascending or descending using the floating dock.
According to the present invention, liquid carbon dioxide can be efficiently transported through a step of loading a storage container storing liquid carbon dioxide at room temperature/high pressure or low temperature/low pressure from a land harbor by a transport ship and transporting the storage container to a marine carbon dioxide storage place by a transport ship, a step of storing carbon dioxide extracted from the storage container at a marine carbon dioxide storage site, and loading an empty storage container and transporting the storage container to a land harbor by the transport ship.
Of course, a plurality of large-scale temporary storage facilities are not required in the land harbor or the marine carbon dioxide storage facility in the process. It is because the storage container performs a function of a large-scale temporary storage facility instead. Hereinafter, an embodiment of managing the present invention will be described in detail step by step.
Step of Loading and Unloading Storage Container on and from Transport Ship at Land Harbor FIG. 2 illustrates a situation where a storage container is loaded and unloaded on and from a land harbor. FIG. 3 illustrates a situation where a transport ship equipped with a storage container departs from a land harbor. FIG. 4 illustrates a situation where a transport ship transports a storage container to a marine carbon dioxide storage site.
A method of loading the storage container to the transport at a land harbor is as follows. First, ballast water is introduced into the transport ship to lower the transport ship. If the level of the water surface reaches a position suitable for loading the storage container, the storage container is loaded on the transport ship.
If the storage container is completely loaded, the ballast water is discharged from the transport ship so that the transport ship is raised, and then the transport ship departs from the harbor to transport the storage container to a marine carbon dioxide storage site.
Then, it is preferable that liquid carbon dioxide at room temperature/high pressure or low temperature/low pressure is stored in the storage container in advance before the storage container is loaded on the transport ship at a land harbor. Accordingly, it is not necessary for the transport ship to stay at the harbor while carbon dioxide is loaded and injected. That is, a mooring time of the transport ship can be remarkably reduced and thus transport efficiency can be maximized.
Meanwhile, a method of unloading the storage container from the transport ship at a land harbor is different from the above-discussed loading method in order only.
Step of Loading and Unloading Storage Container on and from Marine Carbon Dioxide Storage Site FIG. 5 illustrates a situation where a storage container is loaded and unloaded on and from a marine carbon dioxide storage site according to an embodiment of the present invention.
The method of loading and unloading the storage container on the ocean is carried out in the same manner as the method of loading and unloading the storage container at a land harbor. However, since it is impossible to secure a sufficient space for disposing the storage container on the water surface at a marine carbon dioxide storage site (marine platform) unlike at a land harbor, the ocean itself should be utilized as a disposition space.
Step of Storing Carbon Dioxide Extracted from Storage container at Carbon Dioxide Storage Site FIG. 6 illustrates a situation where carbon dioxide is stored in a storage facility by means of a floatable storage container. FIG. 7 illustrates a situation where carbon dioxide is stored in a storage facility by means of a submergible storage container.
The storage container according to the present invention may be floatable or submergible. That is, carbon dioxide can be stored at a marine carbon dioxide storage site by selectively using two methods of floating the storage container unloaded from the transport ship in the ocean (floatable type) and submerging the storage container under the ocean surface (submergible type).
The method of floating the carbon dioxide storage container is to utilize the storage container itself as a floatable temporary storage facility. In this case, the storage container may secure its own buoyancy with its shape corresponding to a shape of a ship, or may be floated on the water surface by mounting an additional material having buoyancy to the storage container.
Injection facilities, such as pipes and pumps, for injecting carbon dioxide from the floatable storage container to the underwater (or sea-bed) area of the sea are installed on a marine platform, and carbon dioxide is injected and semi-permanently stored by using the facilities.
Then, the floatable storage container is fixed to the marine platform through a one-point mooring method.
Meanwhile, a method of submerging the carbon dioxide storage container is to submerge the storage container unloaded from the transport ship into the sea and inject the carbon dioxide into the storage site. In this case, carbon dioxide is extracted from the storage container by using a well head installed on the sea bed to be injected into the storage site.
Air etc. are injected into the storage container via the well head on the marine platform to retrieve the submergible container after complete injection of the carbon dioxide. Then, the storage container on the sea bed rises to the water surface due to buoyancy to be retrieved and loaded on the transport ship.
Although several exemplary embodiments of the present invention have been described for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Industrial Applicability
Accordingly, since a mooring time of a transport ship can be remarkably reduced and transport efficiency can be maximized, making it possible to reduce investment costs for a large-scale storage facility, the present invention can be widely used in the fields of mechanical technologies such as ships and can realize a practical and economic value.
Claims (4)
- CLAIMS1. A floating dock type liquid carbon dioxide transport ship comprising: a storage container for storing liquid carbon dioxide at room temperature/high pressure or low temperature/low pressure; and a transport ship for loading and unloading the storage container through a process of ascending and descending on an ocean and carrying the storage container while the storage container is loaded, wherein the storage container and the transport ship are separable from each other.
- 2. The floating dock type liquid carbon dioxide transport ship as claimed in claim 1, wherein the storage container is floatable or submergible.
- 3. A floating dock type liquid carbon dioxide transport method using a storage container and a transport ship which are separable from each other, comprising: storing liquid carbon dioxide at room temperature/high pressure or low temperature/low pressure in the storage container; and loading and unloading the storage container through a process of ascending and descending on an ocean and carrying the storage container while the storage container is loaded, by the transport ship.
- 4. The floating dock type liquid carbon dioxide transport method as claimed in claim 1, wherein the storage container is floatable or submergible.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2009/004475 WO2011019096A1 (en) | 2009-08-11 | 2009-08-11 | Floating dock type liquid carbon dioxide transport ship and transport method thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201202079D0 GB201202079D0 (en) | 2012-03-21 |
| GB2484635A true GB2484635A (en) | 2012-04-18 |
| GB2484635B GB2484635B (en) | 2014-01-15 |
Family
ID=43586264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1202079.8A Active GB2484635B (en) | 2009-08-11 | 2009-08-11 | Floating dock type liquid carbon dioxide transport ship and transport method thereof |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2484635B (en) |
| WO (1) | WO2011019096A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1043601B1 (en) * | 2020-03-16 | 2021-10-19 | Fizzy Transition Ventures Bv | Method and system for transporting CO2 over water. |
| GB2559149B (en) * | 2017-01-26 | 2022-04-20 | Equinor Energy As | Offshore CO2 transport system |
| EP3995667A1 (en) * | 2020-11-06 | 2022-05-11 | Horisont Energi AS | Subsea fluid handling system and method for long term storage of fluids in a subterranean void |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018234721A1 (en) * | 2017-06-21 | 2018-12-27 | Mirade Consultants Ltd | Method and apparatus for offshore co2-based eor |
| CN116498890A (en) * | 2022-01-18 | 2023-07-28 | 大连船舶重工集团有限公司 | Novel CO 2 Offshore transfer and sequestration system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0867291A (en) * | 1994-08-30 | 1996-03-12 | Agency Of Ind Science & Technol | Submarine tanker transporting liquid carbon dioxide |
| JP3556812B2 (en) * | 1997-08-28 | 2004-08-25 | 三菱重工業株式会社 | Apparatus for releasing carbon dioxide into the ocean |
| JP3609943B2 (en) * | 1998-08-18 | 2005-01-12 | 財団法人地球環境産業技術研究機構 | Method for predicting carbon dioxide state in ocean discharge of carbon dioxide, apparatus thereof, and device for controlling ocean discharge of carbon dioxide |
| JP2004125039A (en) * | 2002-10-01 | 2004-04-22 | Mitsubishi Heavy Ind Ltd | Co2 transporting method, fluid storing device, plug shooting device, plug recovering device, and fluid storing method |
| GB2416390B (en) * | 2004-07-16 | 2006-07-26 | Statoil Asa | LCD Offshore Transport System |
-
2009
- 2009-08-11 GB GB1202079.8A patent/GB2484635B/en active Active
- 2009-08-11 WO PCT/KR2009/004475 patent/WO2011019096A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2559149B (en) * | 2017-01-26 | 2022-04-20 | Equinor Energy As | Offshore CO2 transport system |
| NL1043601B1 (en) * | 2020-03-16 | 2021-10-19 | Fizzy Transition Ventures Bv | Method and system for transporting CO2 over water. |
| EP3995667A1 (en) * | 2020-11-06 | 2022-05-11 | Horisont Energi AS | Subsea fluid handling system and method for long term storage of fluids in a subterranean void |
| WO2022096264A1 (en) * | 2020-11-06 | 2022-05-12 | Horisont Energi As | Subsea fluid handling system and method for long term storage of fluids in a subterranean void |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2484635B (en) | 2014-01-15 |
| WO2011019096A1 (en) | 2011-02-17 |
| GB201202079D0 (en) | 2012-03-21 |
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