| 摘要 |
A container for liquefied gas, comprising an outer shell 1 consisting of a concrete bottom wall and a concrete side wall, earth material lying against the outer side of the concrete side wall, polyurethane foam 5 arranged along the inner side of the concrete side wall, load-bearing heat insulating material 6 arranged along the inner side of the concrete bottom wall, an inner tank 7 positioned inside the concrete outer shell in such a way that the bottom wall of the inner tank is supported by the load-bearing heat insulating material, a relatively large annular space 10 between the polyurethane foam on the concrete side wall and the side wall of the inner tank, a heat insulated roof 11 sealing the inside of the inner tank and of the outer shell from the environment, and a communication between the vapour space of the inner tank and the annular space (Figure 1). <IMAGE> |
