WO2015174615A1 - Système de citerne à cargaisons - Google Patents

Système de citerne à cargaisons Download PDF

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Publication number
WO2015174615A1
WO2015174615A1 PCT/KR2015/001417 KR2015001417W WO2015174615A1 WO 2015174615 A1 WO2015174615 A1 WO 2015174615A1 KR 2015001417 W KR2015001417 W KR 2015001417W WO 2015174615 A1 WO2015174615 A1 WO 2015174615A1
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WO
WIPO (PCT)
Prior art keywords
storage tank
cargo tank
cargo
hull
tank
Prior art date
Application number
PCT/KR2015/001417
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English (en)
Korean (ko)
Inventor
장대준
구드먼드 하네스 베르간폴
Original Assignee
주식회사 래티스테크놀로지
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Publication of WO2015174615A1 publication Critical patent/WO2015174615A1/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 
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/08—Mounting arrangements for vessels

Definitions

  • the present invention relates to a cargo tank system, and more particularly to a cargo tank system of a ship or offshore structure designed to reflect the shrinkage of the cargo tank by the low temperature liquid cargo mounted inside the cargo tank.
  • liquid cargo such as liquefied natural gas (LNG), liquefied petroleum gas (LPG), and crude oil (crude oil)
  • LNG liquefied natural gas
  • LPG liquefied petroleum gas
  • CA crude oil
  • the hull is manufactured according to the characteristics of each cargo, and the cargo is transported at low temperature or high pressure.
  • Special types of cargo tanks are used to seal and heat insulation.
  • the independent tank type is a method in which the storage tank is not formed integrally with the hull and the independent storage tank is supported by the hull supporting device, and according to the installation number and the working pressure and the shape of the barrier preventing the leakage of liquefied gas, It is divided into A, B, and C.
  • Type A is the installation of both primary and secondary barriers, which corresponds to AKER's Aluminum Double Barrier Tank (ADBT).
  • Type B has a primary barrier and a drip tray to prevent leakage of the primary barrier.
  • the type B tanks have a spherical moss type and a prismatic type IHI.
  • Type C is a pressure vessel with a primary barrier.
  • the membrane type depends entirely on the rigidity of the surrounding structure, such as the hull, in which the tank is formed integrally with the hull.
  • Membrane types are classified into GTT Mark-III type and NO 96 type.
  • membrane type storage tanks are generally not suitable as pressure vessels.
  • the independent tank type can be installed on the ship separately from the ship and can be installed on the ship, and has a relatively strong point than the membrane type in terms of structural safety, and the insulation system is exposed to the outside of the tank for easy repair and management.
  • the independent tank type since the independent tank type is not directly coupled to the hull, the hull may be damaged by the inclination (sliding) of the tank during the operation of the ship. Therefore, in order to prevent such a problem, the above-mentioned problem is solved by providing a support structure in each of the upper and lower surfaces and side surfaces of a tank in the conventional case.
  • the above-described conventional support structure has a structure in which a plurality of supports are fixedly installed at intervals on the circumferential surface of the storage tank, so that the support structure does not reflect the contraction caused by the temperature change of the storage tank and thus cannot maintain a reliable support state.
  • the support structure does not reflect the contraction caused by the temperature change of the storage tank and thus cannot maintain a reliable support state.
  • There is a problem For example, when low temperature LNG is loaded into a storage tank, the storage tank is contracted according to the temperature decrease, and as a result, a gap with the support is generated as much as it contracts, thereby not only weakening contact but also weakening force transmission. May occur.
  • Korean Patent Publication No. 10-2013-0052304 low temperature fluid cargo hold support structure
  • the applicant of the present invention has proposed a cargo tank system that can be supported by reflecting the shrinkage of the storage tank more simply and effectively.
  • Embodiments of the present invention are directed to a cargo tank system of a ship or offshore structure, wherein the tank wall remains rigid while simultaneously allowing thermal deformation (deflation) of the tank by direct action between the cold tank and the surrounding support structure.
  • the tank is characterized by a technology capable of withstanding static and dynamic fluid loads and maintaining insulation with the outside.
  • the present invention relates to a tank in a hybrid concept, where the rigidity of the tank is relatively weak, allowing it to rely on direct coupling to the surrounding support structure (e.g., a membrane type tank), which is robust and has significant dynamics. It is characterized by being able to withstand fluid loads and at the same time being insulated from the outside (eg, stand-alone tank).
  • the surrounding support structure e.g., a membrane type tank
  • a cargo tank system of a ship is a storage tank having an internal space for storing liquid cargo, and the circumference of the storage tank through the support structure on the inner wall of the hull
  • the support connecting portion connecting the storage tank and the hull inner wall to have a direction and tension to restrain the movement in the inward direction by thermal contraction of the storage tank
  • the corner portion may be formed to be flexible to expand in a wider range to reflect the thermal contraction of the storage tank.
  • the support connecting portion for connecting the storage tank and the inner wall of the hull, the first connection portion fixedly connected to the storage tank;
  • a second connection part formed to be in surface contact with the first connection part so as to be slidable and fixedly connected to the inner wall of the hull;
  • a tension part installed inside the first connection part and the second connection part to connect the first connection part and the second connection part and installed to have directionality and tension.
  • the support block connecting the lower surface of the storage tank and the inner wall of the hull is formed to have a directional
  • the upper support connecting the upper surface of the storage tank and the inner wall of the hull is installed so as to transmit a force connecting the weight and the internal pressure Can be.
  • corner portion of the storage tank may be designed to increase in response to the total thermal shrinkage during cooling.
  • the side and support structure may also be installed to connect to the tank near the portion where the curve first begins with the inner wall of the hull.
  • the support structure for connecting the storage tank and the hull inner wall is installed at the connection point where the horizontal reinforcement and the vertical girder intersecting the first reinforcing member is installed in the storage tank, a plurality of between the first reinforcing member
  • the second reinforcing member may be installed at regular intervals.
  • the reinforcing member does not install the reinforcing member in a direction parallel to the corner portion in order to reduce the effect on the corner portion, and the first reinforcing member length in the corner portion direction to reduce the influence on the corner portion.
  • the second reinforcing member may be installed to have a small length or a small thickness in the corner portion in order to reduce the influence on the corner portion.
  • all flat faces of the storage tank act as reinforcement plates, while the corners act as flexible shells that can accommodate thermal contraction.
  • the leak of the cargo tank is characterized in that it can be detected by the gas detector or the circulation of inert gas (inert gas) in the space between the cargo tank and the hull.
  • the aim is to provide a cargo tank system designed for simpler, more stable loading of cold liquid cargo.
  • the storage tank can be made lighter than the conventional stand-alone tank (light).
  • the storage tank may have a thermal insulation layer on the outside, and has a very large rigidity with respect to the internal dynamic fluid force.
  • FIG. 1 shows a concept of a cargo tank system of a ship according to an embodiment of the present invention.
  • FIGS. 2A to 2C illustrate various embodiments of a support connection part according to embodiments of the present invention.
  • Figure 3 shows an upper support for connecting the storage tank and the hull inner wall according to an embodiment of the present invention.
  • FIG. 4 shows a corner of a cargo tank system of a ship according to an embodiment of the invention.
  • FIG. 5 shows a side view of a cargo tank system according to an embodiment of the present invention.
  • Figure 6 shows a reinforcing member in the storage tank according to an embodiment of the present invention.
  • FIG. 7 illustrates a reinforcement member formed at a corner in a cargo tank system of a ship according to an embodiment of the present invention.
  • a cargo tank system With respect to the cargo tank system of a ship, offshore structure or land structure according to an embodiment of the present invention, it will be described in more detail below with reference to the drawings. Meanwhile, a cargo tank system according to an embodiment of the present invention will be described below with a concept including a storage tank for storing liquid cargo therein and a support connection portion installed to support the storage tank on an inner wall of the hull.
  • Applicant of the present invention has confirmed that in the case of a storage tank in which a cryogenic liquid cargo such as LNG is mounted, more thermal contraction of the storage tank occurs when compared with the temperature of the surrounding structure.
  • the storage tank shrinks due to the cryogenic liquid cargo
  • the peripheral structure is maintained at the temperature of the air condition so that no shrinkage occurs, and thus there is a problem that a gap is changed between the storage tank and the surrounding structure by a length change due to the contraction of the storage tank.
  • the applicant of the present invention needs to reflect the change caused by the shrinkage of the storage tank as described above in order to effectively support the storage tank by the connection with the peripheral structure using the support structure as described above. Recognize and find ways to solve this problem.
  • cargo containing a storage tank that fully reflects the thermal shrinkage of the low temperature liquid cargo mounted inside the storage tank. Allow the tank system to be designed.
  • . 1 shows a storage tank supported by a support structure on an inner wall of the hull along the entire periphery of the storage tank.
  • the lower surface of the storage tank 100 is supported by the hull inner wall 200 and the support block 300, the side is supported by the support connecting portion 500, the upper surface is supported by the upper support 600 It is formed to be. Therefore, the portion indicated by the solid line 110 in the figure shows the shape of the storage tank 100 before the thermal contraction occurs.
  • the shape of the storage tank 100 formed of a dotted line 120 is, if the storage tank 100 is not supported by the hull inner wall 200 and any supporting structure, by the low temperature liquid cargo mounted therein
  • the shape of the storage tank 100 is changed due to the thermal contraction that occurs.
  • the change amount of the shape due to the thermal contraction of the storage tank 100 may be calculated and expressed in a theoretical, proportional manner based on the center point 1 located in the center of the storage tank 100.
  • the shape of the storage tank 100 represented by the thick solid line 130 is the storage tank 100 by the hull inner wall 200 by the support block 300, the support connecting portion 500 and the upper support 600 When the wall of the storage tank 100 is restrained from moving inwardly, the shape changed by the thermal contraction occurring in the storage tank 100 is shown.
  • the center point 1 of the storage tank 100 is theoretically the point that the thermal contraction movement of the storage tank 100 is minimized. That is, since the direction of thermal contraction of the storage tank 100 is directed toward the center point 1, when the inner center of the storage tank 100 is the center point (1), the storage tank 100 It can be seen that the amount of change due to thermal contraction of the c.
  • the point which becomes the center of the side wall 150 of the storage tank 100 on the basis of the center point (1) is indicated by a dashed line, the central portion of the side wall 150 indicated by the dashed line Since the thermal contraction occurring at is performed toward the center point 1, it can be seen that the thermal contraction occurs inward. Therefore, when the support connecting portion 500 is installed in the central portion of the side wall 150 to be fixed to the hull inner wall 200, as shown in Figure 1, the side wall 150 of the storage tank 100 ) Can be restrained from contracting inwardly, and can be sufficiently fixed since the lateral displacement in the plane of the wall of the storage tank 100 becomes zero.
  • the thermal contraction may prevent the lower surface, the sidewall, and the upper surface of the storage tank 100 from contracting inward, and the change caused by the thermal contraction may be a corner portion of the storage tank 100. Only 700). More specifically, as shown in the figure, the first corner portion 710, which is the corner portion 700 before the thermal contraction occurs, changes to the second corner portion 720 after the thermal contraction occurs ( transition). It can be seen that the second corner portion 720 extends more than the first corner portion 710 before the thermal contraction occurs.
  • the support connection part 500 is installed to be symmetrical in the vertical direction with respect to the center of the side wall 150 to sufficiently move the thermal contraction of the side wall 150 of the storage tank 100. If constrained, the side wall 150 can be prevented from applying any additional load to the corner portion 700. Therefore, in this case, the corner portion 700 is thermally only by the low temperature liquid cargo mounted inside the storage tank 100 without being affected by the load by the side wall 150 of the storage tank 100.
  • the support connecting part 500 is connected to the hull inner wall 200 to restrain the side wall 150 of the storage tank 100 moving inward, and the inner side of the side wall 150 moves.
  • the applicant of the present invention when the storage tank 100 to be fixed by using the hull inner wall 200 and the support block 300, the support connecting portion 500 and the upper support 600 Even if thermal shrinkage occurs in the storage tank 100 due to the low temperature liquid cargo mounted inside the storage tank 100, by simply using the improved support structure and bringing about a simple change in structure.
  • the inventors have invented a cargo tank system capable of maintaining the storage tank 100 very stably.
  • the applicant of the present invention prevents the occurrence of unacceptable stress in the storage tank 100, when thermal shrinkage occurs by the low temperature liquid cargo mounted therein
  • a cargo tank system that is configured to allow some degree of geometric torsion.
  • the applicant of the present invention is to i) form the support connecting portion 500 for connecting the storage tank 100 and the hull inner wall 200 to have a force including a certain direction and tension for force transmission in the plane
  • the change from the first corner portion 710 to the second corner portion 720 is very smooth by increasing the range of the corner portion 700 where the change due to the thermal contraction occurs directly. To occur.
  • the corner portion (so that the change from the first corner portion 710 to the second corner portion 720 through the change in the arrangement of the reinforcement is installed in the storage tank 100 to accommodate the thermal contraction sufficiently ( 700) to be formed flexible. Therefore, the above technical objects according to the present invention are achieved through the above-described contents.
  • the present invention will be described in detail with reference to related drawings.
  • the cargo tank system is formed to have a directional and tension / compression transmission through a simple configuration of the support connecting portion 500 formed to connect the storage tank 100 and the hull inner wall 200.
  • An embodiment thereof is illustrated in FIGS. 2A-2C.
  • the support connecting portion 500 is a first connection portion 510 fixedly connected to the side wall 150 of the storage tank 100 )
  • the second connector 520 fixedly connected to the hull inner wall 200 may be formed to be movable in one direction through the sliding surface 530.
  • the first connector 510 and the second connector 520 are connected to each other by the tension unit 540 formed therein, and the tension unit 540 is made of a member having elastic force. Both ends 541 and 542 of the tension part 540 may be formed to be larger than the entire connecting body, and thus may be stably connected to the first connection part 510 and the second connection part 520. Therefore, the support connecting portion 500 according to an embodiment of the present invention by installing a tension portion 540 formed of an elastic member therein, in the inner direction of the side wall 150 of the storage tank 100 It is possible to compensate to some extent the shrinkage and geometric distortion of the.
  • the support connector 500 according to the embodiment of the present invention, but the first connector 510 and the second connector 520 is made of wood (wood), but the technical features of the present invention is not limited thereto. It is possible to fabricate this using a variety of materials.
  • the tension parts 550 and 560 installed in the support connection part 500 are installed to have various shapes.
  • An example is shown. More specifically, in the support connection part 500 shown in FIG. 2B, the tension part 550 is formed in a cylindrical shape, and fixing plates 551 and 552 are formed at both ends of the tension part 550.
  • the 550 is formed to be more stably installed on the first connector 510 and the second connector 520.
  • the support having an inner cylindrical link can prevent sliding in any direction of the plane of the tank wall.
  • the tension unit 550 may be formed of a multi-sided block capable of sliding in the longitudinal direction of the multi-sided block. In the support connection part 500 illustrated in FIG.
  • the tension part 560 is formed in a conical or wedge shape, so that the tension part 550 is more stably connected to the first connection part 510 and the first connection part 510. It is formed to be stably installed in the two connection portion (520). Therefore, as described above, any other shape may be considered as long as the tension part 540, 550, 560 can be stably fixed in the support connection part 500.
  • the support connection part 500 according to an embodiment of the present invention may be designed to have directionality and tension by being formed to have the configuration as described above, and thus, the support connection part 500 may be formed in the storage tank ( It is possible to sufficiently compensate for movement due to thermal contraction of the sidewall 150 of 500.
  • the support block 300 for supporting the lower surface of the storage tank 100 and the hull inner wall 200 is supported having the above-mentioned direction and tension It is also possible to use the connector 500.
  • the support block 300 does not require a tension capability in that the up and down movement does not occur due to the weight of the tank itself and the pressure of the internal fluid. Therefore, it is possible to manufacture using the member which is not provided with a tension capability and which can slide in the direction of thermal contraction.
  • the upper support 600 is It is possible to form a member having a certain degree of tension. Therefore, in one embodiment of the present invention, the upper support 600 is formed in a type fixed by the hinge part 640. More specifically, the first fixing part (1) is formed on the upper surface of the storage tank (100). 610, a second fixing part 620 is formed on the corresponding inner hull wall 200, and a connecting member 630 is hinged between the first fixing part 610 and the second fixing part 620. It is possible to form and manufacture to connect to each other using the branch 640.
  • the type as described above of the upper support 600 is suitable for the part of the wall as well as the ceiling of the tank.
  • the cargo tank system is formed to have a configuration and the tension of the support connecting portion 500, the support block 300 has a direction, the upper support 600 ) Is formed to have a tension, so that the movement due to thermal contraction occurring in the storage tank 100 can be compensated to some extent.
  • the support connection 500 is formed to have a direction and tension, thereby making it possible to constrain the movement of the side wall 150 internally caused by the thermal contraction, and at the side wall 150 It is possible to compensate to some extent for the thermal shrinkage that occurs and the geometric distortion at the tank corner 700.
  • the cargo tank system when thermal shrinkage occurs in the storage tank 100, the support block 300, the support connecting portion 500 and the upper support 600 It is characterized by a technique that makes it possible to more smoothly form a change due to thermal contraction at the corner portion 700, which is a portion which is not fixed by a support structure such as the back.
  • the present invention is characterized in that the corner portion 700 is further enlarged to have a wider curve, which will be described in more detail with reference to the accompanying drawings.
  • FIG 4 shows a change in the case where the thermal contraction occurs in the corner portion 700 of the storage tank 100 according to an embodiment of the present invention, the first corner portion 710 before the thermal contraction occurs The corner portion is shown, and the second corner portion 720 shows the corner portion changed after the thermal contraction occurs.
  • the thermal contraction occurs, it can be seen that the movement in the inner direction from the range further expanded in the tank center direction than the first corner portion 710.
  • the amount of change (721,722) is about 5cm. Therefore, the cargo tank system according to an embodiment of the present invention by expanding the range of the corner portion 700 to the second corner portion 720 changed after the thermal contraction, more stable corner portion 700 Make a difference.
  • Figure 5 shows a cross section of the storage tank 100 according to an embodiment of the present invention
  • the horizontal reinforcement 160 and the vertical girder 170 is installed in the storage tank 100 in the cross section
  • the portion where the horizontal reinforcement 160 and the vertical girder 170 intersect is indicated by a connection point 400.
  • the horizontal reinforcement 160 and the vertical girder 170 may have different sizes and geometries.
  • additional reinforcements may be installed between the reinforcements not shown in FIG. 5.
  • the support connection part 500, the support block 300, and the upper support part 600 installed according to the embodiment of the present invention are formed to be connected to the hull inner wall 200 through the connection point 400.
  • first reinforcement member 410 the horizontal reinforcement member 160 and the vertical girder 170 forming the connection point 400 are referred to as a first reinforcement member 410.
  • Figure 6 shows the structure of the reinforcement in the storage tank 100 in more detail, as shown in the figure, the horizontal direction between the first reinforcing member 410 forming the connection point 400
  • An additional reinforcing member is installed in a vertical direction with the bar, which is referred to as a second reinforcing member 420.
  • the second reinforcing member 420 is installed at regular intervals between the first reinforcing member 410, it is possible to form a variety of sizes and shapes as needed. In general, the second reinforcing member 420 may be installed to have a smaller thickness and length than the first reinforcing member 410.
  • the cargo tank system to further expand the range of the corner portion 700 of the storage tank 100, and at the same time, the thermal shrinkage of the storage tank 100 Characterized in that the corner portion 700 is formed in a flexible manner to accommodate more appropriately. Therefore, in order to realize the technical goal, the applicant of the present invention adjusts the shape and arrangement of the first reinforcing member 410 and the second reinforcing member 420 installed in the storage tank 100. Thereby achieving the technical goal as described above. More specifically, since the corner portion 700 does not have a horizontal support structure, this portion of the storage tank 100 is adapted to transfer internal fluid pressure mainly on the corners in the form of membrane forces within the shell itself. It can be a curved shell.
  • the corner portion 700 needs to be manufactured to move quite flexibly. However, due to the influence of the stiffness of the first reinforcing member 410 and the second reinforcing member 420 of the wall of the adjacent storage tank 100, the corner portion 700 is moved flexibly to cause a significant problem In some cases, there is a problem that unacceptable stress may occur. Therefore, in order to solve the above technical problem, the applicant of the present invention proposes the following method.
  • the cargo tank system according to the present invention is a reinforcing member that affects the corner portion 700 ( In order to minimize the influence of 400, the reinforcing member 400 inside the storage tank 100 was improved. First, the reinforcing member 400 disposed parallel to the corner portion 700 is removed. In addition, in the case of the first reinforcing member 410, the height thereof becomes smaller in the corner portion 700 direction. (taper-off) arrangement was made.
  • the second reinforcing member 420 is also formed to taper so that its height is almost close to 0 as it progresses toward the corner portion 400, and the thickness of the corner portion 700 is formed to be considerably thinner. ) To minimize the effect of the reinforcing member 400. Therefore, as described above, the first reinforcing member 410 and the second reinforcing member 420 of the storage tank 100 to minimize the effect of the reinforcing member 400 disposed around the corner portion 700 of the The technical problem as described above was solved by forming the corner portion 700 as flexibly as possible by improving the size, arrangement, and the like. The design of the actual stresses occurring at the corners 700 should be established in the manner of non-linear numerical simulation and compared to the allowable stress levels defined by the appropriate design code. The principles described above for corners adjacent to the storage tank wall are also applicable to the storage tank substructure and the storage tank ceiling.
  • the cargo tank system improves the configuration of the support connecting portion 500 for connecting the storage tank 100 and the hull inner wall 200, the corner portion ( By expanding the range of 700 and making the corner portion 700 more flexible, the heat shrinkage by the low temperature liquid cargo stored in the storage tank 100 more efficiently with a simpler configuration

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

La présente invention concerne un système de citerne à cargaisons qui comprend un réservoir de stockage ayant un espace interne en son sein destiné à stocker un liquide de chargement, la périphérie du réservoir de stockage comprenant des parties supportées par des parois intérieures d'une coque par l'intermédiaire de structures de support et des parties cornières au niveau desquelles se rejoignent les surfaces du réservoir de stockage. Des parties de liaison de support qui relient le réservoir de stockage et les parois internes de la coque sont installées pour avoir une orientation et une tension afin de restreindre un mouvement vers l'intérieur du réservoir de stockage dû à son rétrécissement thermique et les parties cornières sont formées de manière souple pour s'étendre sur une plus large plage afin de refléter le rétrécissement thermique du réservoir de stockage.
PCT/KR2015/001417 2014-05-16 2015-02-12 Système de citerne à cargaisons WO2015174615A1 (fr)

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KR1020140058857A KR101664005B1 (ko) 2014-05-16 2014-05-16 카고 탱크 시스템

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KR102649343B1 (ko) * 2022-05-18 2024-03-21 주식회사 래티스테크놀로지 진공단열 초저온탱크

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