CN114750872A - Gas-liquid combined dome structure of B-type LNG fuel tank for dual-fuel ultra-large container ship - Google Patents
Gas-liquid combined dome structure of B-type LNG fuel tank for dual-fuel ultra-large container ship Download PDFInfo
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- CN114750872A CN114750872A CN202111436614.0A CN202111436614A CN114750872A CN 114750872 A CN114750872 A CN 114750872A CN 202111436614 A CN202111436614 A CN 202111436614A CN 114750872 A CN114750872 A CN 114750872A
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- 239000007788 liquid Substances 0.000 title claims abstract description 46
- 239000002828 fuel tank Substances 0.000 title claims abstract description 44
- 239000000446 fuel Substances 0.000 title claims abstract description 31
- 239000011229 interlayer Substances 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000007704 transition Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B63B11/00—Interior subdivision of hulls
- B63B11/04—Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a gas-liquid combined dome structure of a B-type LNG fuel tank for a dual-fuel ultra-large container ship, wherein the gas-liquid combined dome structure is positioned above the top of the B-type LNG fuel tank and close to a stern end, the main body peripheral structure of the gas-liquid combined dome structure comprises a surrounding wall (2) and a top cover plate (3), a cabin penetrating interlayer (4) and a vertical channel well wall (5) which are horizontally arranged are arranged in the gas-liquid combined dome structure, the main body structures are welded with a top plate (1) of the B-type LNG fuel tank, and the main body structures are integrally positioned above a cross-shaped strong structure consisting of a longitudinal girder and a transverse strong frame in the top of the B-type LNG fuel tank. The gas-liquid combined dome structure provided by the invention realizes the arrangement requirements of all cabin-penetrating pipe fittings and the maintenance passing requirements of personnel and equipment in an LNG fuel cabin in a limited space, ensures the strength of the dome structure, reduces redundant structures as much as possible, and has great practical value.
Description
Technical Field
The invention relates to the field of ship design, in particular to a gas-liquid combined dome structure of a B-type LNG fuel tank for a dual-fuel ultra-large container ship.
Background
The conventional cargo tank of the large LNG carrier usually has a large single tank capacity and is limited by IGC code related requirements, and usually has a gas dome and a liquid dome, and considering that the stern tilt state of the ship is more, the gas dome is usually arranged near the front end of the tank, and the liquid dome is arranged near the rear end of the tank, while the B-type LNG fuel tank usually has a much smaller tank capacity and a relatively small size compared to the cargo tank of the large LNG carrier, and the LNG fuel tank of the container ship is usually arranged under the island in the superstructure and is limited by the space arrangement, and it is inconvenient to arrange a gas dome near the front end of the tank, and the inclination angle influence caused by the stern tilt is limited to meet the IGC code related requirements, so that the concept of a combined structure of the gas dome and the liquid dome can be considered.
Because the B-type cabin is an independent cabin, the overall arrangement and the structural form of the combined dome need to be comprehensively considered by combining the structural form of the B-type cabin and the structural form of the peripheral ship body, the number of cabin-penetrating pipe fittings inside the gas dome and the liquid dome after being combined into a whole is large, and meanwhile, arrangement personnel and equipment maintenance passages need to be considered, so that the reasonable structural arrangement and design in a limited space are a challenging key technology.
Disclosure of Invention
The invention aims to design a gas-liquid combined dome structure of a B-type LNG fuel tank for a dual-fuel ultra-large container ship by considering multiple factors under the current background technology. The structure of the invention can meet the requirement of maintenance and traffic in a limited space, reduce redundant structures and improve the construction efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a gas-liquid combined dome structure of a B-type LNG fuel tank for a dual-fuel ultra-large container ship is located at a position, close to a stern end, above the top of the B-type LNG fuel tank, and a main body peripheral structure of the gas-liquid combined dome structure comprises a surrounding wall and a top cover plate, a horizontally-arranged cabin penetrating interlayer and a vertical channel well wall structure are arranged in the gas-liquid combined dome structure, the main body structures are in welded connection with the top plate of the B-type LNG fuel tank, and the gas-liquid combined dome structure is integrally located above a cross-shaped strong structure formed by a longitudinal girder and a transverse strong frame in the top of the B-type LNG fuel tank. All materials of the gas-liquid combined dome structure are 9Ni steel, and the ultralow temperature performance is excellent.
Preferably, the surrounding wall is square, four corners of the surrounding wall are all made into circular arc chamfer type, the risk of crack generation can be effectively reduced due to stress concentration of welding seams, the front end wall and the rear end wall of the surrounding wall are provided with toggle plates on the reverse side of the top plate of the B-type LNG fuel tank for reverse side reinforcement, and the positions of the end walls on the two sides of the surrounding wall are just aligned with the longitudinal ribs on the top of the B-type LNG fuel tank. Vertical reinforcing ribs are arranged on the peripheral wall and the channel well wall, the tail ends of the vertical reinforcing ribs on the peripheral wall are made into a toggle plate type, and the tail ends of the vertical reinforcing ribs on the channel well wall are made into a bevel type, so that the bearing capacity of the peripheral wall and the channel well wall can be enhanced.
Preferably, the top cover plate is a circle larger than the range of the surrounding wall, four corners of the edge are also in a circular arc chamfer type, a manhole and a lifting port composite type hatch and a hatch cover are arranged at the position of the top cover plate in the range of the channel well wall, so that the maintenance of personnel and the replacement of equipment such as a pump are facilitated, and the edge of the top cover plate is of a drooping annular T-shaped row structure, so that a sealing ring is conveniently installed and fixed between the top cover plate and a ship body component.
Preferably, the cabin penetrating interlayer is located in a certain range below the top cover plate, the specific height can be adjusted according to the actual state, the cabin penetrating interlayer and the top cover plate are both provided with a plurality of horizontal reinforcing ribs, and the tail ends of the cabin penetrating interlayer and the top cover plate are both in a toggle plate type, so that the bearing capacity of the cabin penetrating interlayer and the top cover plate can be enhanced.
The top cover plate and the cabin penetrating interlayer are provided with various pipe holes different in size, and the pipe holes different in size comprise a fuel pipe hole, a spraying pipe hole, a bottom injection pipe hole, a top injection pipe hole, a BOG discharge pipe hole, a BOG emergency discharge pipe hole, a 0% sampling pipe hole, a 50% sampling pipe hole, a 100% sampling pipe hole, a safety valve discharge pipe hole and an instrument pipe hole.
Preferably, the 0% sampling pipe hole, the 50% sampling pipe hole and the 100% sampling pipe hole are combined into a big hole on the top cover plate.
Based on the technical scheme, the gas-liquid combined dome structure obtains the following positive and beneficial effects through practical application:
the gas-liquid combined dome structure provided by the invention has the advantages that the arrangement requirements of all cabin-penetrating pipe fittings in an LNG fuel cabin and the maintenance and passing requirements of personnel and equipment are realized in a limited space, the strength of the dome structure is ensured, meanwhile, the redundant structure is reduced as much as possible, in addition, the special design of the edge of the top cover plate of the dome structure ensures that a sealing ring is conveniently installed and fixed between the dome structure and a hull component, the elastic sealing is ensured, the risk of leakage of ultralow-temperature gas from the place is avoided, and the gas-liquid combined dome structure has great practical value.
Drawings
Fig. 1 is a longitudinal arrangement schematic diagram of a gas-liquid combined dome structure of a type B LNG bunker for a dual-fuel ultra-large container ship according to the present invention.
Fig. 2 is a schematic diagram of the transverse arrangement of a combined gas and liquid dome structure of a type B LNG bunker for a dual-fuel ultra-large container ship according to the present invention.
Figure 3 is a view of the top of a type B LNG bunker in the area where the present invention is used.
FIG. 4 is a view taken along line "A-A" of FIG. 3 according to the present invention.
FIG. 5 is a view of the invention from FIG. 4 "A1-A1".
FIG. 6 is a view from the direction "B-B" of FIG. 3 according to the present invention.
FIG. 7 is a view of the invention from "B1-B1" of FIG. 6.
FIG. 8 is a view from the "C-C" direction of FIG. 3 of the present invention.
FIG. 9 is a view from the direction "D-D" of FIG. 3 according to the present invention.
FIG. 10 is a view of the invention taken from "D1-D1" of FIG. 9.
FIG. 11 is an "E-E" view of FIG. 3 of the present invention.
FIG. 12 is a view "F-F" of FIG. 3 of the present invention.
FIG. 13 is a view from the direction "G-G" of FIG. 8 according to the present invention.
FIG. 14 is a view from the direction of "G1-G1" of FIG. 13 in accordance with the present invention.
FIG. 15 is a view from the direction "H-H" of FIG. 8 according to the present invention.
The specific meanings of the reference numbers in the figures are: 1 is B type LNG fuel tank roof, 2 is the leg, 3 is the lamina tecti, 4 is the interlining of crossing the cabin, 5 is the passageway wall of a well, 6 is flagging annular T row structure, 7 is vertical strengthening rib, 8 is horizontal strengthening rib, 9 is manhole and the compound hatch board of thing mouth of hanging, P is the gas pipe hole, L is the spray pipe hole, E1 is bottom filling tube hole, E2 is top filling tube hole, Z1 is BOG discharge tube hole, Z2 is the emergent discharge tube hole of BOG, N1 is 0% sample tube hole, N2 is 50% sample tube hole, K is 100% sample tube hole, J is the relief valve pipe hole, R is the instrument tube hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
For a brand-new designed B-type LNG fuel tank-containing dual-fuel ultra-large container ship, an LNG fuel tank N is located below an upper building area of a central island of the ultra-large container ship and below a main deck K, the LNG fuel tank N is a B-type independent tank body, the LNG fuel tank is full-width, the length of the LNG fuel tank is equal to the length of the upper building area plus a half cargo hold, namely the length of the LNG fuel tank N is equal to the length of the upper building plus 1 bay, the height of the LNG fuel tank is an isolated empty space from an inner bottom plate of a ship to the position below a deck, hull inner shells on two sides of the upper fuel tank area of the dual-fuel ultra-large container ship are in a large slope type, two sides of the bottom of the B-type LNG fuel tank are also in a large slope type parallel to the hull inner shells on two sides, and various types of supports are arranged between the LNG fuel tank N and the hull inner shells.
As shown in fig. 1 and fig. 2, in the fuel tank area on the dual-fuel ultra-large container ship, a gas-liquid combined dome M, LNG matched with the LNG fuel tank N is further arranged to store and convert the transition room, the gas preparation room, the isolated empty tank and the LNG filling station. The gas-liquid combined dome M is arranged at the top of the LNG fuel cabin N close to the stern end, is located at the central position of the cross section of the LNG fuel cabin N, and penetrates through the isolation empty cabin to extend into the LNG storage and conversion transition room. The LNG storage conversion transition is positioned right above the gas-liquid combined dome.
As shown in fig. 3-15, the gas-liquid combined dome structure of the present invention is located above the top of the B-type LNG bunker, near the stern end, and its main peripheral structure includes a surrounding wall 2 and a top cover plate 3, and there are a horizontally arranged cabin-penetrating interlayer 4 and a vertical channel shaft wall 5 structure inside, these main structures are welded to the top plate 1 of the B-type LNG bunker, and are integrally located above the cross-shaped strong structure formed by the vertical girders and the transverse strong frame in the top of the B-type LNG bunker, as shown in fig. 3, 8 and 11. All materials of the gas-liquid combined dome structure are 9Ni steel, and the ultralow temperature performance is excellent.
As shown in fig. 9, 10 and 12, the surrounding wall 2 is made into a square shape as a whole, four corners are made into a circular arc chamfer shape, so that the risk of crack generation can be effectively reduced by preventing weld stress concentration, the front end wall and the rear end wall of the surrounding wall 2 are provided with toggle plates on the reverse side of the top plate of the B-type LNG fuel tank for reverse reinforcement, and the positions of the end walls on two sides of the surrounding wall 2 are just aligned with the longitudinal ribs on the top of the B-type LNG fuel tank, as shown in fig. 4-7. Vertical reinforcing ribs 7 are arranged on the surrounding walls 2 and the channel well wall 5, the tail ends of the vertical reinforcing ribs 7 on the surrounding walls 2 are made into toggle plate types, and the tail ends of the vertical reinforcing ribs 7 on the channel well wall 5 are made into oblique types, so that the bearing capacity of the surrounding walls 2 and the channel well wall 5 can be enhanced.
The top cover plate 3 is a circle larger than the whole range of the enclosure wall 2, four corners of the edge are also in a circular arc chamfer type, a manhole and a compound hatch opening of a hanging object opening and a hatch cover 9 are arranged at the position of the top cover plate 3 in the range of the channel well wall 5, so that the replacement of equipment such as personnel overhaul and pumps is facilitated, the edge of the top cover plate 3 is a drooping annular T-shaped row structure 6, and a fixed sealing ring is conveniently arranged between the top cover plate and a ship body component, as shown in fig. 13 and 14.
The cabin penetrating interlayer 4 is located in a certain range below the top cover plate 3, the specific height can be adjusted according to the actual state, the cabin penetrating interlayer 4 and the top cover plate 3 are both provided with a plurality of horizontal reinforcing ribs 8, the tail ends of the horizontal reinforcing ribs are both in a toggle plate type, and the bearing capacity of the cabin penetrating interlayer 4 and the top cover plate 3 can be enhanced, as shown in fig. 13, 14 and 15.
The top cover plate 3 and the cabin-penetrating interlayer 4 are respectively provided with a plurality of pipe holes with different sizes, and the pipe holes with different sizes comprise a fuel pipe hole P, a spray pipe hole L, a bottom injection pipe hole E1, a top injection pipe hole E2, a BOG discharge pipe hole Z1, a BOG emergency discharge pipe hole Z2, a 0% sampling pipe hole N1, a 50% sampling pipe hole N2, a 100% sampling pipe hole K, a safety valve discharge pipe hole J and an instrument pipe hole R. Among them, the 0% sample tube hole N1, the 50% sample tube hole N2, and the 100% sample tube hole K are combined into one large hole on the top lid plate 3, as shown in fig. 8 and 9.
The installation process of the gas-liquid combined dome structure of the B-type LNG fuel tank for the dual-fuel ultra-large container ship is approximately as follows:
the gas-liquid combined dome structure and the B-type fuel cabin are separately and independently built, and a reverse-attitude manufacturing method is adopted, so that the butt joint building precision of the gas-liquid combined dome structure and the B-type fuel cabin is well controlled. Firstly, opening cabin cover openings and all cabin penetrating pipe holes at corresponding positions on a top cover plate 3 and a cabin penetrating interlayer 4, then welding and installing a surrounding wall 2 and a channel well wall 5 on the processed top cover plate 3 in a reverse state, then installing all horizontal reinforcing ribs 8 on the top cover plate 3, then installing the cabin penetrating interlayer 4 and the horizontal reinforcing ribs 8 thereon, then installing vertical reinforcing ribs 7 on the surrounding wall 2 and the channel well wall 5, and then installing a drooping annular T-shaped row structure 6 on the edge of the top cover plate 3, so that the gas-liquid combined dome structure module is built.
And (3) installing a reinforcing toggle plate and flat steel on the reverse side at a corresponding position below a top plate 1 of the B-type fuel cabin in advance, turning over the gas-liquid combined dome structure module, integrally hoisting the gas-liquid combined dome structure module to a corresponding position above the top of the B-type fuel cabin to ensure that corresponding components are aligned up and down, and completely installing the whole gas-liquid combined dome structure after butt welding is completed.
The gas-liquid combined dome structure provided by the invention has the advantages that the arrangement requirements of all cabin-penetrating pipe fittings in an LNG fuel cabin and the maintenance and passing requirements of personnel and equipment are realized in a limited space, the strength of the dome structure is ensured, meanwhile, the redundant structure is reduced as much as possible, and the special design of the edge of the top cover plate of the dome structure ensures that a sealing ring is conveniently installed and fixed between the dome structure and a hull component to ensure elastic sealing and avoid the risk of leakage of ultralow-temperature gas from the place.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will appreciate that; modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the invention, it is intended to cover all modifications within the scope of the invention as claimed.
Claims (8)
1. The gas-liquid combined dome structure is characterized in that the gas-liquid combined dome structure is located at a position, close to a stern end, above the top of a B-type LNG fuel tank, and comprises a main body peripheral structure and a main body peripheral structure, wherein the main body peripheral structure comprises an enclosing wall (2) and a top cover plate (3), a cabin penetrating interlayer (4) and a vertical channel well wall (5) are horizontally arranged in the main body peripheral structure, the main body structures are connected with a B-type LNG fuel tank top plate (1) in a welding mode, and the main body structures are integrally located above a cross-shaped strong structure formed by a longitudinal girder and a transverse strong frame in the top of the B-type LNG fuel tank.
2. The gas-liquid combined dome structure for the B-type LNG fuel tank of the dual-fuel ultra-large container ship as claimed in claim 1, wherein all materials for manufacturing the gas-liquid combined dome structure are 9Ni steel.
3. The gas-liquid combined dome structure of the B-type LNG fuel tank for the dual-fuel ultra-large container ship is characterized in that the enclosing wall (2) is integrally square, four corners of the enclosing wall are in a circular arc chamfer type, the front end wall and the rear end wall of the enclosing wall (2) are provided with brackets on the reverse side of the top plate (1) of the B-type LNG fuel tank for reverse reinforcement, and the end walls on the left side and the right side of the enclosing wall (2) are aligned with the longitudinal ribs on the top of the B-type LNG fuel tank.
4. The gas-liquid combined dome structure of the type-B LNG fuel tank for the dual-fuel ultra-large container ship as claimed in claim 1, wherein the vertical reinforcing ribs (7) are arranged on the surrounding walls (2) and the channel well walls (5), the tail ends of the vertical reinforcing ribs (7) on the surrounding walls (2) are made into a toggle plate type, and the tail ends of the vertical reinforcing ribs (7) on the channel well walls (5) are made into a bevel type.
5. The gas-liquid combined dome structure of the B-type LNG fuel tank for the dual-fuel ultra-large container ship is characterized in that the range of the top cover plate (3) is larger than the range of the enclosing wall (2) by one circle, four corners of the edge of the top cover plate (3) are also in a circular arc chamfer mode, a manhole and hanging port composite type hatch and a hatch cover (9) are arranged at the position of the channel well wall (5) of the top cover plate (3), the edge of the top cover plate (3) is in a drooping annular T-shaped row structure (6), and a sealing ring is installed and fixed between the annular T-shaped row structure (6) and a ship body component.
6. The gas-liquid combined dome structure of the type-B LNG fuel tank for the dual-fuel ultra-large container ship is characterized in that the cabin penetrating interlayer (4) is located below the top cover plate (3), a plurality of horizontal reinforcing ribs (8) are arranged on the cabin penetrating interlayer (4) and the top cover plate (3), and the tail end of the cabin penetrating interlayer (4) is in a toggle plate type.
7. The gas-liquid combined dome structure of the B-type LNG fuel tank for the dual-fuel ultra-large container ship is characterized in that the top cover plate (3) and the cabin penetrating interlayer (4) are respectively provided with a plurality of pipe holes with different sizes, and the pipe holes comprise a fuel pipe hole (P), a spray pipe hole (L), a bottom injection pipe hole (E1), a top injection pipe hole (E2), a BOG discharge pipe hole (Z1), a BOG emergency discharge pipe hole (Z2), a 0% sampling pipe hole (N1), a 50% sampling pipe hole (N2), a 100% sampling pipe hole (K), a relief valve pipe hole (J) and an instrument pipe hole (R).
8. The gas-liquid combined dome structure of the type-B LNG fuel tank for the dual-fuel oversized container ship as claimed in claim 7, characterized in that the 0% sampling pipe hole (N1), the 50% sampling pipe hole (N2) and the 100% sampling pipe hole (K) are combined into one large hole on the top cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436614.0A CN114750872A (en) | 2021-11-29 | 2021-11-29 | Gas-liquid combined dome structure of B-type LNG fuel tank for dual-fuel ultra-large container ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436614.0A CN114750872A (en) | 2021-11-29 | 2021-11-29 | Gas-liquid combined dome structure of B-type LNG fuel tank for dual-fuel ultra-large container ship |
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| CN114750872A true CN114750872A (en) | 2022-07-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115610592A (en) * | 2022-11-10 | 2023-01-17 | 沪东中华造船(集团)有限公司 | Gas-liquid combined dome structure suitable for B-type cabin and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101394750B1 (en) * | 2013-03-06 | 2014-05-15 | 현대중공업 주식회사 | A fuel gas supply system of liquefied natural gas |
| CN105711736A (en) * | 2014-12-03 | 2016-06-29 | 江南造船(集团)有限责任公司 | Insulated mounting method for dome of A-type independent liquid cargo tank |
| WO2020002812A1 (en) * | 2018-06-25 | 2020-01-02 | Gaztransport Et Technigaz | Method for assembling a liquid dome |
| CN112550614A (en) * | 2020-12-03 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Segmented construction method for liquid dome of LNG ship |
| KR20210071318A (en) * | 2019-12-06 | 2021-06-16 | 대우조선해양 주식회사 | Pump Tower of Liquefied Gas Storage Tank |
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2021
- 2021-11-29 CN CN202111436614.0A patent/CN114750872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101394750B1 (en) * | 2013-03-06 | 2014-05-15 | 현대중공업 주식회사 | A fuel gas supply system of liquefied natural gas |
| CN105711736A (en) * | 2014-12-03 | 2016-06-29 | 江南造船(集团)有限责任公司 | Insulated mounting method for dome of A-type independent liquid cargo tank |
| WO2020002812A1 (en) * | 2018-06-25 | 2020-01-02 | Gaztransport Et Technigaz | Method for assembling a liquid dome |
| KR20210071318A (en) * | 2019-12-06 | 2021-06-16 | 대우조선해양 주식회사 | Pump Tower of Liquefied Gas Storage Tank |
| CN112550614A (en) * | 2020-12-03 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Segmented construction method for liquid dome of LNG ship |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115610592A (en) * | 2022-11-10 | 2023-01-17 | 沪东中华造船(集团)有限公司 | Gas-liquid combined dome structure suitable for B-type cabin and preparation method thereof |
| CN115610592B (en) * | 2022-11-10 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Gas-liquid combined dome structure suitable for B-type cabin and preparation method thereof |
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