The invention relates to a marine vessel cryogenic barrier which is formed of a plurality of individual panels, each panel being arranged to align with an adjacent panel on an inner surface of a hold space of a marine vessel and comprising a single coupling means at the centre of the panel and an im
The invention relates to a marine vessel cryogenic barrier which is formed of a plurality of individual panels, each panel being arranged to align with an adjacent panel on an inner surface of a hold space of a marine vessel and comprising a single coupling means at the centre of the panel and an impervious layer on a surface of the barrier facing the hold space.
대표청구항▼
1. A marine vessel cryogenic barrier, comprising a plurality of multi-layered insulation panels, each insulation panel arranged to align with an adjacent insulation panel on an inner surface of a hold space of a marine vessel, each insulation panel comprising a single coupling located at a center of
1. A marine vessel cryogenic barrier, comprising a plurality of multi-layered insulation panels, each insulation panel arranged to align with an adjacent insulation panel on an inner surface of a hold space of a marine vessel, each insulation panel comprising a single coupling located at a center of the insulation panel and arranged to couple the insulation panel to the inner surface of the hold space of the marine vessel, wherein the barrier is provided with an impervious layer on a surface of the barrier facing the hold space. 2. The barrier of claim 1, wherein each insulation panel comprises a main insulation layer and secondary insulation layer, and wherein the main insulation layer and the secondary insulation layer are not bonded to each other. 3. The barrier of claim 1, wherein each insulation panel comprises a first and second layer of polyurethane. 4. The barrier of claim 1, wherein the impervious layer is impervious to liquefied natural gas, liquefied propane gas or liquefied ethylene gas. 5. The barrier of claim 1, wherein the impervious layer is a glass fibre reinforced aluminium foil or a cryogenic coating. 6. The barrier of claim 1, wherein each insulation panel has a geometric shape allowing adjacent insulation panels to tessellate the inner surface of the hold space. 7. The barrier of claim 1, wherein adjacent insulation panels are separated by a joint space, said joint space being filled with an insulation material extending between edges of adjacent insulation panels and entirely filling the joint space between the adjacent insulation panels. 8. The barrier of claim 7, wherein the joint space between the adjacent insulation panels is sealed on the surface of the barrier facing the hold space with a reinforced flexible aluminium layer or cryogenic coating extending across the joint space defined between the adjacent insulation panels and overlapping a portion of the adjacent panels on the surface of the barrier facing the hold space. 9. The barrier of claim 8, wherein the reinforced flexible aluminium layer is bonded to adjacent insulation panel surfaces with a cryogenic glue. 10. The barrier of claim 9, wherein the reinforced flexible aluminium layer or the cryogenic coating is bonded to the adjacent insulation panels such that an excess of material is provided creating a concave joint profile between the adjacent insulation panels. 11. The barrier of claim 10, wherein the reinforced flexible aluminium layer or the cryogenic coating is bonded to the adjacent insulation panels such that an excess of material is provided creating a concave joint profile between intermediate layers of the adjacent insulation panels. 12. The barrier of claim 1, wherein the coupling comprises a hole passing through the center of the insulation panel and arranged to receive a threaded bolt onto which a locking nut can be thread. 13. The barrier of claim 2, wherein an intermediate layer is formed between the panels of an aluminium layer or cryogenic coating on a hold space facing side of said intermediate layer bonded to a plywood substrate. 14. The barrier of claim 13, wherein the intermediate layer is further provided with a locking nut arranged to secure the secondary insulation layer to a threaded rod passing through the insulation panel. 15. The barrier of claim 1, wherein the corner of each insulation panel is truncated such that, in use, aligning adjacent insulation panels defines an open space at a point at which four adjacent insulation panels meet. 16. The barrier as claimed in claim 15, wherein the open space defines a corner joint space, said corner joint space being filled with a polyurethane foam material extending between edges of the adjacent insulation panels and entirely filling the corner joint space between the adjacent insulation panels. 17. The barrier of claim 16, wherein the corner joint space between the adjacent insulation panels is sealed on the surface of the barrier facing the hold space with a reinforced flexible aluminium layer or a cryogenic coating extending across the corner joint space defined between the adjacent insulation panels and overlapping a portion of the adjacent insulation panels on the surface of the barrier facing the hold space. 18. The barrier of claim 17, wherein the reinforced flexible aluminium layer is bonded to adjacent insulation panel surfaces with a cryogenic glue. 19. The barrier of claim 18, wherein the reinforced flexible aluminium layer or the cryogenic coating is bonded to the adjacent insulation panels such that an excess of material is provided across the corner joint space. 20. The barrier of claim 19, wherein the excess of material forms a concave or convex dome joint profile between the adjacent insulation panels. 21. A multi-layer cryogenic barrier panel for aligning with an adjacent panel on an inner surface of a hold space of a marine vessel, said panel comprising a single through-hole at a center of the panel, said through-hole arranged to receive a coupling, wherein the panel comprises a main impervious layer on an outer surface of said panel and a second impervious layer either within the panel or on a face of the panel arranged in use to face the hold space. 22. An LNG, LPG or LEG marine vessel comprising the barrier of claim 1. 23. A marine vessel cryogenic barrier, comprising a plurality of multi-layered insulation panels, each insulation panel arranged to align with an adjacent insulation panel on an inner surface of a hold space of a marine vessel, each insulation panel comprising a single coupling located at a center of the panel, said barrier comprising a first impervious layer on a surface of the barrier facing the hold space and a second impervious layer arranged within the insulation panel; anda peripherally arranged impervious joint arranged in use to connect adjacent insulation panels to each other.
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