Sealed, thermally insulated tank incorporated into the load-bearing structure of a ship
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B63B-025/08
B63B-025/00
출원번호
US-0265118
(2005-11-03)
등록번호
US-7464658
(2008-12-16)
우선권정보
FR-04 11967(2004-11-10)
발명자
/ 주소
Dhellemmes,Jacques
Michalski,Pierre
Fargant,Vincent
출원인 / 주소
Gaztransport et Technigaz
대리인 / 주소
Young & Thompson
인용정보
피인용 횟수 :
7인용 특허 :
7
초록▼
A sealed, thermally insulated tank consists of tank walls fixed to the load-bearing structure of a ship, the tank walls having, in succession, in the direction of the thickness from the inside to the outside of the tank, a primary sealing barrier, a primary insulating barrier, a secondary sealing ba
A sealed, thermally insulated tank consists of tank walls fixed to the load-bearing structure of a ship, the tank walls having, in succession, in the direction of the thickness from the inside to the outside of the tank, a primary sealing barrier, a primary insulating barrier, a secondary sealing barrier and a secondary insulating barrier, at least one of the insulating barriers consisting essentially of juxtaposed non-conducting elements (3), each non-conducting element including a thermal insulation liner, at least one panel and load-bearing partitions rising through the thickness of the thermal insulation liner in order to take up the compression forces. These partitions include at least one anti-buckle partition (14) that includes a plurality of anti-buckle wall elements that have a respective orientation forming an angle relative to a general longitudinal direction of the anti-buckle partition, for example forming corrugations or double-wall portions.
대표청구항▼
The invention claimed is: 1. Sealed, thermally insulated tank including at least one tank wall fixed to the load-bearing structure (1) of a floating structure, said tank wall having, in succession, in the direction of the thickness from the inside to the outside of said tank, a primary sealing barr
The invention claimed is: 1. Sealed, thermally insulated tank including at least one tank wall fixed to the load-bearing structure (1) of a floating structure, said tank wall having, in succession, in the direction of the thickness from the inside to the outside of said tank, a primary sealing barrier (8), a primary insulating barrier (6), a secondary sealing barrier (5) and a secondary insulating barrier (2), at least one of said insulating barriers consisting essentially of juxtaposed non-conducting elements (3, 7), each non-conducting element including a thermal insulation liner arranged in the form of a layer parallel to said tank wall, at least one panel (10, 11) extending parallel to said tank wall over at least one side of said thermal insulation liner and load-bearing partitions projecting from a face of said at least one panel facing said thermal insulation liner, said load-bearing partitions rising through the thickness of said thermal insulation liner in order to take up compression forces, characterized in that said load-bearing partitions include at least one anti-buckle partition (14, 114, 214, 314, 414, 514, 614, 714, 814) that, seen in cross section in a plane parallel to said at least one panel, has a general longitudinal direction (A) and includes a plurality of anti-buckle wall elements (25, 125, 225a-b, 325a, 425c-d, 566, 666, 766, 866, 825) that have a respective orientation forming an angle relative to said general longitudinal direction (A) of the anti-buckle partition. 2. Sealed, thermally insulated tank according to claim 1, characterized in that said anti-buckle partition (14, 114, 214, 314) includes an anti-buckle wall (25, 125, 225, 325) that includes anti-buckle wall elements (25, 125, 225a-b, 325a) linked together directly or indirectly and that, seen in cross section in a plane parallel to said at least one panel, extends in said general longitudinal direction (A) of said anti-buckle partition with a profile that deviates laterally on either side of a longitudinal median line (A) of said anti-buckle partition (14, 114, 214, 314). 3. Sealed, thermally insulated tank according to claim 1, characterized in that said anti-buckle partition (614, 714) includes a wall (625a, 725) extending in said general longitudinal direction (A) and to which anti-buckle wall elements (666, 766, 866) projecting from said wall are linked. 4. Sealed, thermally insulated tank according to claim 1, characterized in that the anti-buckle wall elements (25, 125, 225a-b, 325a, 766) are arranged so as to delimit longitudinally a plurality of successive cells (65, 165, 265, 365, 765) that, seen in a plane parallel to said at least one panel, have an open cross section. 5. Sealed, thermally insulated tank according to claim 3, characterized in that said anti-buckle partition (614) includes a second wall (625b) extending in said general longitudinal direction and spaced apart from the first wall (625a) in the transverse direction of the partition, said two walls being connected by a plurality of anti-buckle wall elements (666) arranged between them. 6. Sealed, thermally insulated tank according to claim 1, characterized in that the anti-buckle partition (414, 514) includes double-wall longitudinal portions (465, 565) that include, on each occasion, two laterally spaced wall elements (425a-b, 566) and, in the region of the longitudinal ends of said portion, anti-buckle wall elements connecting said laterally spaced wall elements. 7. Sealed, thermally insulated tank according to claim 6, characterized in that the anti-buckle partition (514) includes single-wall longitudinal portions (525) inserted between the double-wall longitudinal portions (565). 8. Sealed, thermally insulated tank according to claim 1, characterized in that, apart from in the region of its ends, said anti-buckle partition (14, 214, 314, 414, 614, 714) has a periodic structure in the general longitudinal direction (A). 9. Sealed, thermally insulated tank according to claim 1, characterized in that said anti-buckle partition (14, 114, 214, 314, 414, 514, 614, 714) has a height direction substantially perpendicular to said at least one panel. 10. Sealed, thermally insulated tank according to claim 1, characterized in that said anti-buckle partition (14) is fitted into at least one said panel (11). 11. Sealed, thermally insulated tank according to claim 1, characterized in that said load-bearing partitions of a non-conducting element are formed as a single piece with one said panel of the non-conducting element. 12. Sealed, thermally insulated tank according to claim 1, characterized in that said anti-buckle partition (14) includes at least one load-distribution sole plate (23, 24, 851) in the region of an edge of said anti-buckle partition facing one said panel (10, 11) of the non-conducting element (3), said load-distribution sole plate extending in the direction of the length of said anti-buckle partition and having a planar surface fixed against said panel (10, 11). 13. Sealed, thermally insulated tank according to claim 1, characterized in that said anti-buckle partition includes at least one load-distribution sole plate (23, 24) in the region of an edge of said anti-buckle partition opposite said panel (11, 10) of the non-conducting element (3), said load-distribution sole plate extending in the direction of the length of said anti-buckle partition and having a planar surface bearing against the adjacent sealing barrier (58). 14. Sealed, thermally insulated tank according to claim 1, characterized in that said non-conducting element includes a base panel (10) on that side of the thermal insulation liner that faces said load-bearing structure, said load-bearing partitions including peripheral partitions (13, 14) projecting from said base panel along its edges in order to form a box. 15. Sealed, thermally insulated tank according to claim 14, characterized in that said non-conducting element includes a plurality of anti-buckle partitions (14) arranged in such a manner as to compartmentalize an inner space of said box, the longitudinal ends of said anti-buckle partitions being fixed to said peripheral partitions (13). 16. Sealed, thermally insulated tank according to claim 15, characterized in that said longitudinal ends of the anti-buckle partitions (14, 114, 214, 314, 414, 514, 614, 714) can be fitted into said peripheral partitions (13). 17. Sealed, thermally insulated tank according to claim 16, characterized in that said anti-buckle partitions are arranged in parallel at a distance from one another and have assembly tabs (26, 426, 526, 626) in the region of their two longitudinal ends, said peripheral partitions comprising end partitions (13) arranged perpendicularly to said anti-buckle partitions in the region of the two longitudinal ends of the latter and having, on the face facing said anti-buckle partitions, a plurality of spaced-apart parallel grooves (20) capable of receiving and retaining an assembly tab of a respective anti-buckle partition. 18. Sealed, thermally insulated tank according to claim 17, characterized in that each of said end partitions includes a plurality of spaced-apart parallel ribs (19) projecting from a face facing said anti-buckle partitions, said grooves being provided, on each occasion, in a respective rib. 19. Sealed, thermally insulated tank according to claim 1, characterized in that the two insulating barriers (2, 6) consist essentially of non-conducting elements (3, 7) that include, on each occasion, a plurality of mutually parallel anti-buckle partitions, said non-conducting elements being arranged in such a manner that, in any zone of said at least one tank wall, the parallel anti-buckle partitions (14) of the non-conducting elements (3) of an insulating barrier (2) are oriented substantially perpendicularly to the parallel anti-buckle partitions of the non-conducting elements (7) of the other insulating barrier (6). 20. Sealed, thermally insulated tank according to claim 1, characterized in that said at least one insulating barrier (2, 6) consisting of said non-conducting elements (3, 7) is covered, on each occasion, by one of said sealing barriers (5, 8) that is formed from thin metal plate strakes (40) made from thin metal sheet with a low expansion coefficient, the edges (43) of which are raised toward the outside of the cover panels of said non-conducting elements, said non-conducting elements having cover panels (11) carrying parallel grooves (41) spaced apart by the width of a plate strake in which weld supports (42) are slideably retained, each weld support having a continuous wing projecting from the outer face of the cover panel and on whose two faces the raised edges of two adjacent plate strakes are welded in a leaktight manner. 21. Sealed, thermally insulated tank according to claim 20, characterized in that the secondary retention members (4) integral with the load-bearing structure (1) of the floating structure fix the non-conducting elements (3) for forming the secondary insulating barrier against said load-bearing structure, and in that primary retention members (48) linked to said weld supports (42) of the secondary sealing barrier retain said primary insulating barrier (6) against the secondary sealing barrier (5), said weld supports retaining said secondary sealing barrier against the cover panels of the non-conducting elements of the secondary insulating barrier. 22. Floating structure, characterized in that it comprises a sealed, thermally insulated tank according to claim 1. 23. Floating structure according to claim 22, characterized in that it consists of a methane carrier.
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이 특허에 인용된 특허 (7)
Dhellemmes Jacques,FRX ; Jean Pierre,FRX, Impermeable and thermally insulating tank comprising prefabricated panels.
Dhellemmes Jacques,FRX ; Jean Pierre,FRX, Watertight and thermally insulating tank with an improved corner structure, built into the bearing structure of a ship.
Dhellemmes Jacques,FRX ; Jean Pierre,FRX, Watertight and thermally insulating tank with simplified insulating barrier built into the bearing structure of a ship.
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