Abstract:
The invention relates to a fuel tank arrangement (10) comprising a tank container (12) for liquefied gas in a marine vessel (16), which is arranged to endure internal pressure above the atmospheric pressure and which is provided with heat insulation on outer surface of the container, and the tank when containing liquefied gas in use includes a liquefied gas space and an ullage space, and in which arrangement a communication junction for liquefied gas is arranged to communicate with the inner space of the container. The communication junction (40,41) is arranged to serve as a coupling means for gas lines (27,28) of the arrangement, and that the communication junction is connected to the tank container.
Abstract:
A sealed and insulating reservoir to contain a pressurized cold fluid, the reservoir comprising: a sealed rigid enclosure (4), a sealed membrane (1) intended to be in contact with the cold fluid contained in the reservoir, an insulating barrier (3) positioned between the sealed membrane and the internal surface of the rigid enclosure, the insulating barrier forming a supporting surface to support the sealed membrane, and a pressure‑equalizing device (5) able to limit the pressure differential between a first sealed volume (2) situated on the inside of the sealed membrane and a second sealed volume (3) situated on the outside of the sealed membrane.
Abstract:
Tank für kalte oder kryogene Flüssigkeiten mit • einer Tankdoppelhülle aus Leichtmetall, die mit einer Tankbodenwand, Tankseitenwänden und einer Tankdeckwand einen Tankraum umgrenzt, • wobei die Tankdoppelhülle eine innere Barriere, eine in einem Abstand von der inneren Barriere angeordnete äußere Barriere und die innere mit der äußeren Barriere miteinander verbindende Strukturen aufweist, • mindestens einem im Zwischenraum zwischen der inneren Barriere und der äußeren Barriere des Tankbodens angeordneten Verteilungsrohr mit Gasdurchströmlöchern zum Verteilen von Inertgas im Zwischenraum, • mindestens einem außerhalb der Tankdoppelhülle angeordneten Einspeiserohr für Inertgas, das durch die äußere Barriere hindurch kommunizierend mit dem Verteilungsrohr verbunden ist, • einer mit dem Einspeiserohr außerhalb der Tankhülle verbundenen Quelle für ein Inertgas, • einem Gasaustritt aus dem Zwischenraum in der äußeren Barriere der Tankdeckwand und • Mitteln zur Gasdetektion im Bereich des Gasaustritts.
Abstract:
A LG module for a marine vessel (1), said LG module (10) comprising a support structure for loading and unloading said LG module (10) onto said marine vessel (1), at least one LG tank (12) and a LG gas processing unit (13) for processing LG to fuel, said fuel fulfilling the requirements of an engine of said marine vessel (1).
Abstract:
The invention relates to a method for inerting a wall of a sealed and thermally insulating tank (1), said tank being intended to contain a liquefied fuel gas, wherein the wall has a multilayer structure comprising two sealed barriers (2, 4) and a thermally insulating barrier (3), said method including: implementing a first inerting mode in which the gaseous phase of the thermally insulating barrier (3) is placed under a relative pressure which is lower than a pressure limit of inflammability Pi of the fuel gas; detecting, during the first inerting mode, whether the pressure of the gaseous phase of the thermally insulating barrier (3) exceeds said threshold pressure Ps; and switching from the first inerting mode to a second inerting mode, the second inerting mode including sweeping the thermally insulating barrier (3) with an inert gas.
Abstract:
The present invention relates to a plant for storing gas under pressure. Said plant comprises at least one basin (4) filled with a liquid (5), one or more pressure vessels (1) located in said basin for storing said gas including interconnecting piping and connections (2) to a gas supply and a gas discharge network, an anchoring system (3) for supporting said vessels, a cover with a slanted surface on the underside (6) for covering said basin which will lead any gas leak occurring in said basin towards and through a vent (7), and at least one gas detection equipment (9) located in said vent. The plant is especially suitable for storing compressed gaseous hydrogen and can be connected a hydrogen fuel replenishment system.
Abstract:
Large amounts of hazardous goods, especially liquid ones such as fuel, may be carried in safety containers, whether tank semitrailers, oil tankers, containers for hazardous goods or aircraft, and be transported with practically no risk for the environment, by completely filling the inside (10) of the container with glass wool, so that the hazardous materials or other fillings dispersed therein may not escape or be somehow spilled in the environment. The liquid components, for example hydrocarbons, are absorbed and held by a dense, water-proofed latticework (15), so that no oxygen can reach them. They are thus protected against explosions and spillage in the environment. At the same time, a safety container of this type acts as a kind of safety buoy, preventing water from entering the inside (10) of the container, so that the kerosene, gasoline or oil contained therein further increase buoyancy. As a whole, a simplification of the safety container design and a considerable increase in safety may be noted.
Abstract:
A safety device is provided for completely sealing off an underground liquified gas store when a dangerous situation arises, whereby all links between the storage cavity and the surface, including the vent link between the gas phase and the surface, can be closed off by forming water plugs in the storage cavity. The water plugs are created automatically from existing reserves of water in said underground cavity. Maximum overall safety is achieved by not installing any important equipment in the underground store, by standardizing all links other than the vent link, and by minimizing the number of functional links required. Every standard link connects the gaseous or liquid phase of the gas to the surface via a side tube (e.g. 22) running downwards into a well (24) containing water linked to the main tube (21) which returns to the surface. The end of the main tube comprises a shut-off valve (23) which causes the sealing water plug to be formed in both tubes (22 and 21) once it is opened automatically or deliberately via an external signal.
Abstract:
A marine vessel (1) comprising an LG handling system (10) is disclosed. The LG handling system (10) comprises an LG tank (13) which is installed on a portion of the marine vessel (1) and a vent line system (20) connected to the LG tank. The vent line system (20) has an outlet (21) arranged on an elevated structure on the marine vessel (1)and at a vertical distance (Dd) from the portion of the marine vessel (1) on which the LG tank (13) is installed.