| 摘要 |
A thermally insulated tank, especially suitable for the reception of low-temperature liquids, comprising a bearing outer structure (5), an inner shell made of double-curved units (3; 9; 26, 15) dominated by membrane tension at a distance from the bearing outer structure, a plurality of support structures (4; 10; 20, 21; 37) between the units and the bearing outer structure, and thermal insulation (6; 11; 22, 25, 27) in the space between the inner shell and the bearing outer structure. The inner shell has a geometry and design which allows it to transfer, essentially as tensile stress, all forces which are due to the contents of the tank, to the points at which it is supported by support structures (4; 10; 20, 24; 37) provided in said space, which transfer all compressive forces to the bearing outer structure (5), said support structures being adapted to the units (3; 9; 26, 15) in the inner shell in such a way that thermal contraction may freely occur on geometrical change, and that the thermal insulation (6; 11; 22, 25, 27) which fills the remaining space between the inner shell and the load-bearing outer structure has no load-bearing capacity. It is of advantage if the support structures (4; 10; 20, 24; 37) are of a thermally insulating material. |
