WO2010112748A1 - Bi-oblique tip tank for lng - Google Patents
Bi-oblique tip tank for lng Download PDFInfo
- Publication number
- WO2010112748A1 WO2010112748A1 PCT/FR2010/050573 FR2010050573W WO2010112748A1 WO 2010112748 A1 WO2010112748 A1 WO 2010112748A1 FR 2010050573 W FR2010050573 W FR 2010050573W WO 2010112748 A1 WO2010112748 A1 WO 2010112748A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- tank
- pillar
- strake
- walls
- Prior art date
Links
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
- 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
Definitions
- the present invention relates to the production of sealed and thermally insulated tanks integrated into a load-bearing structure, in particular the hull of a vessel intended for the sea transport of liquefied gases and, in particular, the transportation of liquefied natural gas (LNG) to high methane content.
- LNG liquefied natural gas
- FIG. 1 shows a vessel 1 for the sea transport of LNG.
- the vessel 1 comprises three or four cylindrical tanks 2, of octagonal section, and a tank tip 3, also called tank No. 1, which matches the shape of the bow of the ship 1.
- the tanks are integrated into a carrying structure constituted by the double hull of the ship 1.
- FIG. 2 shows the tip tank 3 in more detail.
- the tip tank 3 comprises a front wall 4 and a rear wall 5 perpendicular to the longitudinal direction of the ship 1, a bottom wall 6 and a ceiling wall 7, two side walls 8 and 9 and four inclined walls 10, 11, 12 and 13 connecting the side walls to the bottom and ceiling walls.
- each of the aforementioned walls comprises, from the inside of the tank to the outside of the tank, a primary watertight barrier, a primary thermally insulating barrier, a secondary watertight barrier and a secondary thermal insulating barrier.
- the primary watertight barrier and possibly the secondary watertight barrier are constituted respectively by metal strakes with raised edges towards the inside of the tank, said strakes being made of thin sheet of low coefficient of expansion and being welded edge to edge.
- the strakes 14 of the inclined wall 13 extend from the front wall 4 to the rear wall 5, parallel to the edge 15 formed by the edges of the walls 13 and 6.
- the strakes 14 are attached to the supporting structure via angle structures (not shown).
- the strakes 14 undergo a thermal contraction.
- the corresponding forces, represented by the arrows 16, are transmitted to the supporting structure, through the corner structures.
- the strakes extend parallel to the longitudinal direction of the ship 1, from the rear wall 5 to the front wall 4. Some of these strakes (not shown) extend to the wall 4.
- Other strakes 17 extend from the wall 5 to the edge 15, where they have a truncated edge.
- the pillar 19 comprises a body 20 constituted by a stainless steel tube.
- the body 20 is fixed to the supporting structure via anchoring plates 21.
- the pillar 19 also comprises a primary plate 22 and a secondary plate 23.
- a primary block 24 is arranged at the primary plate 22 and a shim secondary 25 is arranged at the secondary plate 23.
- the secondary shim 25 serves to position the caissons forming the secondary thermally insulating barrier.
- the truncated end of a strake 17 is fixed on a plywood beam (not shown), itself secured to the pillar 19 via the primary wedge 24.
- the truncated end of a strake (not shown) of the secondary sealed barrier is welded to the plate 23.
- the shape of the tank 3 has the advantage of simplicity.
- this form has the disadvantage of reducing the carrying capacity of the ship 1 as well as complicating the architecture of the bow of the latter. It is therefore desirable to be able to use other shapes for the tip tank, in order to improve the transport capacity and simplify the architecture of the bow.
- a tip tank of another form should not be too complicated to manufacture with respect to the tip tank 3. Indeed, it is necessary to avoid that the advantages of this other form are canceled by the manufacturing difficulties.
- the document FR 2 826 630 describes a vessel comprising a tip tank of the same shape as the tip tank 3. This document proposes another arrangement for the Invar strakes of the wall of background. This arrangement involves the use of particular panels at the plane of symmetry of the bottom wall. Summary of the invention
- a problem that the present invention proposes to solve is to provide a ship that does not exhibit at least some of the aforementioned drawbacks of the prior art.
- an object of the invention is to provide an advanced tank whose shape can improve the transport capacity and simplify the architecture of the bow.
- Another object of the invention is to provide such a tank that can be manufactured easily, limiting the number of elements to manufacture and assemble.
- the solution proposed by the invention is a vessel comprising a carrying structure and a sealed and thermally insulated tip tank for containing liquefied natural gas, said tip tank comprising a plurality of tank walls attached to said supporting structure, each tank wall.
- a primary watertight barrier, a primary heat-insulating barrier, a secondary watertight barrier and a secondary heat-insulating barrier presenting successively, in the direction of the thickness from the inside to the outside of said tip tank, a primary watertight barrier, a primary heat-insulating barrier, a secondary watertight barrier and a secondary heat-insulating barrier, a first wall and a second wall of said vessel walls being adjacent at one edge, the primary watertight barrier of said first wall comprising at least a first strake connected at said edge to said carrier structure via a pillar, characterized in that the primary watertight barrier of said second wall comprises end at least a second strake connected at said edge to said supporting structure via said pillar.
- said carrier structure has a first part parallel to said first wall and a second part parallel to said second wall, said pillar being fixed to said first part.
- the strakes of the two adjacent walls are connected to one and the same section of the supporting structure. This avoids the hyperstatism of the system.
- said pillar comprises at least one plate, said at least one plate having a first portion parallel to the first panel and a second portion parallel to the second panel, said first rack being attached to the pillar at said first portion and said second rack being attached to the pillar at said second portion.
- This structure makes it possible to have a first portion of the plate at the level of the first wall, and a second portion of the plate deported at the level of the second wall.
- said first strake is attached to a beam connected to said pillar, said pillar having a fallen edge preventing the beam from moving away from said first wall.
- the second strake can be attached to a beam behind a fallen edge. The beam and the dropped edge allow the pillar to take up a vertical component of the forces generated in the strakes.
- said tip tank comprises, among said plurality of tank walls, a ceiling wall and two inclined walls adjacent to the ceiling wall, said ceiling wall and said two inclined walls having a rectangular shape.
- Rectangular walls are easily achievable and do not involve the use of pillars.
- said first wall and said second wall have a trapezoidal shape and are parallel to a longitudinal direction of the ship.
- said first strake and said second strake extend parallel to said longitudinal direction.
- FIG. 1 is a perspective view of an LNG transport vessel according to the prior art
- FIG. 2 is a perspective view of vessel No. 1 of the vessel of FIG.
- FIG. 3 is a perspective view of a pillar of the tank of FIG. 2,
- FIG. 4 is a perspective view of a tank according to one embodiment of the invention.
- FIGS. 5 and 6 are sectional views of the tank of FIG.
- FIG. 7 and 8 are views, respectively in perspective and from the side, of a pillar of the tank of Figure 4.
- FIGS. 4 to 6 show a tip tank 53 which has a shape different from the tip tank 3.
- the tip tank 53 comprises a front wall 54 and a rear wall 55, perpendicular to the longitudinal direction of the ship.
- the tip tank 53 also comprises a bottom wall 56, a ceiling wall 57, two side walls 58 and 59 and four inclined walls.
- the ceiling wall 57 and the inclined walls 60 and 61 are rectangular and parallel to the longitudinal direction of the ship.
- the tip tank 53 is identical to a standard cylindrical tank 2.
- the side walls 58 and 59, the inclined walls 62 and 63 and the bottom wall 56 have trapezoidal shapes and are arranged parallel to the longitudinal direction of the ship.
- each wall of the tip tank 53 comprises, from the inside of the tank to the outside of the tank, a primary watertight barrier, a primary thermally insulating barrier, a watertight barrier secondary and a secondary thermally insulating barrier.
- the primary watertight barrier and the secondary watertight barrier are constituted respectively by metal strakes with raised edges towards the inside of the tank, said strakes being made of thin sheet of low coefficient of expansion and being welded edge to edge.
- the strakes of the inclined wall 63 extend from the front wall 54 to the rear wall 5, parallel to the longitudinal direction of the ship. Some of these strakes (not shown) extend to the rear wall 55. It can be seen in FIG. 4 that other strakes 64 extend from the front wall 54 to the edge 65 formed by the intersection of the walls 63 and 56, where they have a truncated edge. To recover the forces due to the thermal contraction, represented by the arrows 66, it is necessary to fix the strakes 64 to the supporting structure, at the edge 65.
- the strakes extend parallel to the longitudinal direction of the ship, from the rear wall 55 to the front wall 54. Some of these strakes (not shown) extend to the wall 54. D Other strakes 61 extend from the wall 55 to the edge 65, where they have a truncated edge. To recover the forces due to thermal contraction, represented by the arrows 68, it is necessary to fix the strakes 67 to the supporting structure, at the edge 15. In other words, at the edge 65, it is necessary to connect two sets of strakes to the supporting structure, one for each wall. The same need appears at the edges formed respectively by the intersection of the walls 56 and 62, the walls 62 and 58 and the walls 63 and 59.
- the number of pillars to be manufactured and installed in the tank would be high. The manufacture of the tank would be tedious and expensive. This is why, according to one embodiment of the invention, the strakes 64 and the strakes 67 are connected to the carrier structure, at the edge 65, by a single series of pillars of a new design.
- pillars are called "bi-oblique pillar” and an example is shown in Figures 7 and 8.
- the pillar 69 comprises a body 70 constituted by a stainless steel tube.
- the body 70 is fixed to the support structure by means of anchoring plates 71.
- the supporting structure comprises in particular a panel 81, to which the bottom wall 56 is attached, and a panel 82, to which is fixed the inclined wall 63.
- Figure 8 also shows anchoring devices 83 for fixing a box (not shown) of the secondary thermal insulation barrier.
- the body 70 extends perpendicular to the pan 81 and the anchoring plates 71 are welded to the pan 81.
- the configuration of the body 70 and the anchoring plates 71 is the same as in the tip tank 3 of FIG. the prior art.
- the number of parts references in production is limited.
- it can use the same tools and methods for welding the anchor plates 71 and the body 70.
- the anchoring plates 71 allow, like the anchoring plates 11, a height adjustment.
- the pillar 69 also comprises a primary plate 72 and a secondary plate 73, fixed to the body 71.
- the primary plate 72 comprises a portion 78 parallel to the pan 81 and a portion 79 offset and parallel to the pan 82.
- the secondary plate 73 comprises a portion 80 parallel to the pan 81 and a portion 86 offset and parallel to the pan 82.
- Reinforcing plates 76 connect the body 70 to the second plate 73 and to the anchoring plates 71.
- a tube 77 connects the portion 86 of the second plate 73 to the portion 79 of the first plate 72.
- the reinforcing plates 76 and the tube 77 contribute to confer on the pillar 69 a rigid structure, for transmitting stresses stresses to pan 81 of the supporting structure.
- the pillar 69 makes it possible to anchor the strakes of two adjacent walls on one and the same panel of the supporting structure, the system's hyperstatism is avoided.
- Two primary shims 74 are arranged at the primary plate 72, respectively on the portions 78 and 79. Each primary shim 74 has a dropped edge 84.
- Two secondary shims 75 are arranged at the level of the secondary plateau 73, respectively on the portions 80 and 86. Each secondary wedge 15 has a fallen edge 85.
- the truncated end of a strake 67 is fixed on a plywood beam (not shown), itself secured to the pillar 69 via the primary wedge 74 of the portion 78 and the truncated end of a strake. 64 is fixed on a plywood beam (not shown), itself secured to the pillar 69 via the primary wedge 74 of the portion 79.
- the truncated ends of the strakes (not shown) of the secondary sealed barrier are welded to the secondary plate 73, respectively on the portions 80 and 86.
- the pillar 69 can transmit the forces generated in the impervious barriers of the inclined wall 63, in addition to the forces generated in the impermeable barriers of the bottom wall 56.
- the number of pillars to be manufactured and installed is therefore limited.
- the manufacture of the tip tank 53 is thus simplified and less expensive.
- the ship manufacturer can use the same tools and processes as in the case of Pier 19, thus taking advantage of a dominated and approved technology.
- the forces represented by the arrows 66 and 68 comprise a vertical component, that is to say perpendicular to the pan 81.
- the plywood beams mentioned below are arranged under the dropped edges. 84.
Landscapes
- 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
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080005945.2A CN102300769B (en) | 2009-03-31 | 2010-03-29 | Bi-oblique tip tank for LNG |
KR1020117023100A KR101430063B1 (en) | 2009-03-31 | 2010-03-29 | Bi-oblique tip tank for lng |
EP10716592.0A EP2414219B1 (en) | 2009-03-31 | 2010-03-29 | Bow tank for lng transport vessel |
SG2011048493A SG172828A1 (en) | 2009-03-31 | 2010-03-29 | Bi-oblique tip tank for lng |
AU2010231306A AU2010231306C1 (en) | 2009-03-31 | 2010-03-29 | Bi-oblique tip tank for LNG |
BRPI1009985A BRPI1009985A2 (en) | 2009-03-31 | 2010-03-29 | "bioblik tip tank for gnl" |
ES10716592T ES2435252T3 (en) | 2009-03-31 | 2010-03-29 | Bi-oblique bow tank for LNG |
RU2011136956/11A RU2518121C2 (en) | 2009-03-31 | 2010-03-29 | Forward sng tank with double-inclined top |
JP2012502744A JP5599006B2 (en) | 2009-03-31 | 2010-03-29 | Bi-tilted bow tank for liquefied natural gas |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0952046A FR2943616B1 (en) | 2009-03-31 | 2009-03-31 | BI-OBLIQUE POINT TANK FOR LNG. |
FR0952046 | 2009-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010112748A1 true WO2010112748A1 (en) | 2010-10-07 |
Family
ID=41599352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2010/050573 WO2010112748A1 (en) | 2009-03-31 | 2010-03-29 | Bi-oblique tip tank for lng |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP2414219B1 (en) |
JP (1) | JP5599006B2 (en) |
KR (1) | KR101430063B1 (en) |
CN (1) | CN102300769B (en) |
AU (1) | AU2010231306C1 (en) |
BR (1) | BRPI1009985A2 (en) |
ES (1) | ES2435252T3 (en) |
FR (1) | FR2943616B1 (en) |
MY (1) | MY154121A (en) |
RU (1) | RU2518121C2 (en) |
SG (1) | SG172828A1 (en) |
WO (1) | WO2010112748A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9994483B2 (en) | 2012-02-22 | 2018-06-12 | Gcp Applied Technologies Inc. | Functionalized polyamines for clay mitigation |
US10266449B2 (en) | 2012-05-04 | 2019-04-23 | Gcp Applied Technologies Inc. | Method for treating clay and clay-bearing aggregates and compositions therefor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10526052B2 (en) * | 2015-10-27 | 2020-01-07 | Hyundai Heavy Industries Co., Ltd. | Liquefied gas carrier |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2709725A1 (en) * | 1993-09-09 | 1995-03-17 | Gaz Transport | Watertight and thermally insulating tank integrated into the supporting structure of a ship having a simplified angle structure. |
FR2724623A1 (en) * | 1994-09-20 | 1996-03-22 | Gaztransport Et Technigaz | IMPROVED WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED INTO A CARRIER STRUCTURE |
FR2826630A1 (en) * | 2001-06-29 | 2003-01-03 | Gaz Transport & Technigaz | WATERPROOF AND THERMALLY INSULATING TANK WITH LONGITUDINAL OBLIQUE AREAS |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU950585A1 (en) * | 1979-02-08 | 1982-08-15 | Николаевский Ордена Трудового Красного Знамени Кораблестроительный Институт Им.Адмирала С.О.Макарова | Ship for carrying liquefied gases under atmospheric pressure |
JP2771092B2 (en) * | 1993-03-17 | 1998-07-02 | 日立造船株式会社 | Transport tank |
JP2922085B2 (en) * | 1993-03-17 | 1999-07-19 | 日立造船株式会社 | Transport tank |
US5727492A (en) * | 1996-09-16 | 1998-03-17 | Marinex International Inc. | Liquefied natural gas tank and containment system |
JP2001063681A (en) * | 1999-08-25 | 2001-03-13 | Mitsubishi Heavy Ind Ltd | Thermal insulation box mounting structure for liquefied natural gas tank |
FR2813111B1 (en) * | 2000-08-18 | 2002-11-29 | Gaz Transport & Technigaz | WATERPROOF AND THERMALLY INSULATING TANK IMPROVED LONGITUDINAL AREAS |
KR100977647B1 (en) * | 2002-03-28 | 2010-08-24 | 에스티엑스 핀란드 오와이 | Method for reducing the weight and optimizing the longitudinal strength of a water-craft and water-craft thereof |
FR2861060B1 (en) * | 2003-10-16 | 2006-01-06 | Gaz Transport & Technigaz | WATERPROOF STRUCTURE AND TANK PROVIDED WITH SUCH A STRUCTURE |
US7137345B2 (en) * | 2004-01-09 | 2006-11-21 | Conocophillips Company | High volume liquid containment system for ships |
DE102005057451A1 (en) * | 2005-12-01 | 2007-06-14 | Tge Gas Engineering Gmbh | Device for storing a tank in a ship |
-
2009
- 2009-03-31 FR FR0952046A patent/FR2943616B1/en not_active Expired - Fee Related
-
2010
- 2010-03-29 RU RU2011136956/11A patent/RU2518121C2/en active
- 2010-03-29 AU AU2010231306A patent/AU2010231306C1/en active Active
- 2010-03-29 BR BRPI1009985A patent/BRPI1009985A2/en not_active IP Right Cessation
- 2010-03-29 CN CN201080005945.2A patent/CN102300769B/en active Active
- 2010-03-29 SG SG2011048493A patent/SG172828A1/en unknown
- 2010-03-29 MY MYPI2011004665A patent/MY154121A/en unknown
- 2010-03-29 JP JP2012502744A patent/JP5599006B2/en active Active
- 2010-03-29 WO PCT/FR2010/050573 patent/WO2010112748A1/en active Application Filing
- 2010-03-29 KR KR1020117023100A patent/KR101430063B1/en active IP Right Grant
- 2010-03-29 EP EP10716592.0A patent/EP2414219B1/en active Active
- 2010-03-29 ES ES10716592T patent/ES2435252T3/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2709725A1 (en) * | 1993-09-09 | 1995-03-17 | Gaz Transport | Watertight and thermally insulating tank integrated into the supporting structure of a ship having a simplified angle structure. |
FR2724623A1 (en) * | 1994-09-20 | 1996-03-22 | Gaztransport Et Technigaz | IMPROVED WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED INTO A CARRIER STRUCTURE |
FR2826630A1 (en) * | 2001-06-29 | 2003-01-03 | Gaz Transport & Technigaz | WATERPROOF AND THERMALLY INSULATING TANK WITH LONGITUDINAL OBLIQUE AREAS |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9994483B2 (en) | 2012-02-22 | 2018-06-12 | Gcp Applied Technologies Inc. | Functionalized polyamines for clay mitigation |
US10266449B2 (en) | 2012-05-04 | 2019-04-23 | Gcp Applied Technologies Inc. | Method for treating clay and clay-bearing aggregates and compositions therefor |
Also Published As
Publication number | Publication date |
---|---|
BRPI1009985A2 (en) | 2016-03-15 |
CN102300769A (en) | 2011-12-28 |
SG172828A1 (en) | 2011-08-29 |
KR20110137789A (en) | 2011-12-23 |
AU2010231306B2 (en) | 2013-08-29 |
JP2012521929A (en) | 2012-09-20 |
AU2010231306A1 (en) | 2011-10-13 |
CN102300769B (en) | 2014-07-02 |
MY154121A (en) | 2015-05-15 |
RU2518121C2 (en) | 2014-06-10 |
EP2414219A1 (en) | 2012-02-08 |
KR101430063B1 (en) | 2014-08-13 |
RU2011136956A (en) | 2013-03-20 |
AU2010231306C1 (en) | 2014-03-06 |
FR2943616A1 (en) | 2010-10-01 |
EP2414219B1 (en) | 2013-08-14 |
ES2435252T3 (en) | 2013-12-17 |
JP5599006B2 (en) | 2014-10-01 |
FR2943616B1 (en) | 2012-07-20 |
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