Bursting insert

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 17/16 (2006.01) F16L 57/00 (2006.01)

Patent

CA 2474628

The present invention relates to a bursting insert (1) for installation in a pipeline system for transporting a fluid showing a spontaneous exothermic reaction. Such a fluid may be a synthetic polymer or polymer solution, a cellulose derivative or a solution consisting of cellulose, water and amine oxide, as well as mixtures thereof. The bursting insert comprises a wall (5) which surrounds - at least in part on the outside - a passage volume (2) having the fluid flowing therethrough in a passage direction (3). A pressure discharge line (7) which is sealed relative to the passage volume with a bursting body (8) extends out of the passage volume. When a predetermined bursting pressure is exceeded, the bursting body can be transferred into a state in which the passage volume and the pressure discharge line are interconnected in fluid-conducting fashion. For an easy mounting of the bursting body it is intended according to the invention that the bursting insert (1) is designed as a pipeline module which can be installed and dismounted repeatedly in the pipeline system (29) for replacing the bursting body (8).

L'invention concerne une garniture de rupture (1) à monter dans un système de tuyauterie pour le transport d'un fluide devenant spontanément exothermique. Un tel fluide peut être un polymère synthétique ou une solution polymère, un dérivé cellulosique ou une solution composée de cellulose, d'eau et d'aminoxyde ou bien un mélange de ces éléments. Cette garniture de rupture comprend une paroi (5) qui entoure extérieurement au moins partiellement un volume de passage (2) traversé par le fluide dans un sens de passage (3). Du volume de passage part une dérivation de pression (7) fermée par un élément de rupture (8) relativement au volume de passage. Lorsqu'une pression de rupture prédéterminée est dépassée, cet élément de rupture prend un état dans lequel le volume de passage et la dérivation de pression sont reliés par écoulement du fluide. Afin de simplifier le montage de l'élément de rupture, la garniture de rupture (1) est conçue comme module de tuyauterie qui peut être posé et déposé à maintes reprises dans le système de tuyauterie (29) pour changer l'élément de rupture (8).

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