| 摘要 |
The present invention provides a method for increasing the internal pressure of a pressure vessel (1) containing a medium being present in both a liquid (3) and gaseous (2) phase, the vessel comprising one inner (9)and one outer (10) fluid tight barrier, said barriers being separated by an inter-barrier space (8), comprising the steps of: -circulating a suitable fluid through both the inter-barrier space and a heating unit; and -heating the fluid by the heating unit. |
