Steam generator pipe, associated production method and...

Details Steam generator pipe, associated production method and... Steam generator pipe, associated production method and...

F - Mech Eng,Light,Heat,Weapons

22

B

F22B 37/18 (2006.01) F22B 29/06 (2006.01)

Patent

CA 2632313

The invention relates to a steam generator pipe (10) which can be produced in a simple and economical manner and which has particularly good heat transitional behaviour having a large band width with various operational conditions. According to the invention, at least one insert (22) is arranged in the inner chamber of the pipe (18) in order to form a swirl-generating inner profile. The insert (22) comprises at least one lamination frame (24) having a number of large recesses (26). The insert (22) is drilled in the longitudinal direction and rests at least partially on the pipe inner wall (36) with the longitudinal edges thereof (30).

La présente invention concerne un tube de générateur de vapeur (10). L'objectif de la présente invention est de mettre au point un tel tube de générateur de vapeur qui soit simple et économique à fabriquer, qui offre une large gamme de conditions de fonctionnement différentes et qui présente un comportement de transmission thermique particulièrement avantageux. A cette fin, au moins un élément d'insertion (22) est placé à l'intérieur (18) du tube afin de former un profilé intérieur générateur de turbulence. Cet élément d'insertion (22) présente au moins un châssis en tôle (24) pourvu d'un certain nombre de grands évidements (26). Selon cette invention, l'élément d'insertion (22) est torsadé dans la direction longitudinale et repose au moins partiellement sur la paroi intérieure (36) du tube avec ses arêtes longitudinales (30).

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