Pressurised container for storing gaseous media under pressure

F - Mech Eng,Light,Heat,Weapons – 17 – C

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Details

F17C 1/00 (2006.01)

Patent

CA 2480721

The invention pertains to a pressure tank for storing gaseous media under pressure, consisting of a longitudinally welded pipe, which is closed at both ends and which has an opening at least at one end for the filling and emptying of the tank. According to the invention, the longitudinally welded pipe (1, 2), produced by the UOE process, has a diameter of 3 508 mm and a minimum yield strength of 3 ×70. Its open ends are connected to and sealed off by dome-like dished parts (4, 5). The pressure tank thus obtained is rated for a minimum filling pressure of 200 bars at room temperature. One dished part (5) is provided with an opening, through which the tank can be filled and emptied. The longitudinal weld of the pipe (1, 2) and all other connecting welds (3, 6, 7) are designed to provide the greatest possible fatigue strength with respect to wide load amplitudes.

L'invention concerne un réservoir sous pression conçu pour stocker des substances gazeuses sous pression. Ce réservoir sous pression est constitué d'un tuyau à soudure longitudinale qui est fermé au niveau de ses deux extrémités et comprend, à au moins une extrémité, une ouverture de remplissage et d'évacuation. Selon l'invention, ce tuyau à soudure longitudinale (1, 2), qui a été produit selon le procédé UOE, présente un diamètre >/= 508 mm et une limite apparente d'élasticité minimale >/= X 70. Les extrémités ouvertes de ce tuyau sont reliées à des pièces bridées convexes (4, 5) et sont fermées hermétiquement par celles-ci. Le réservoir sous pression selon l'invention est conçu pour une pression de remplissage minimale de 200 bars à température ambiante. Une pièce bridée (5) est pourvue de ladite ouverture de remplissage et d'évacuation. Le cordon de soudure longitudinal du tuyau (1, 2) ainsi que les autres cordons de soudure de liaison (3, 6, 7) sont configurés pour présenter la limite d'endurance à la fatigue maximale par rapport à des amplitudes de charge élevées.

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