F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
F28F 9/013 (2006.01)
Patent
CA 2717516
A tube bundle (10) for a shell and tube type heat exchanger has a support system that allows simple fabrication and provides a secure support of the tubes (12) to mitigate vibration and problems associated with vibration. The tube bundle is composed of tubes that are supported by spaced cages (22) having support rods (26) sized to allow ample clearance with the adjacent tubes and configured in alternating positions and alternating orientations so that sets of four widely spaced cages form a complete support network. To ensure secure support to avoid vibration, sets of support stakes (30) are inserted adjacent to (or in between) the cages to bias the tubes against the support rods of the cages. By this, fabrication is simplified, but a secure support system is maintained.
L'invention concerne un faisceau tubulaire (10) pour un échangeur thermique à coque et à tubes comprenant un système support qui permet une fabrication simple et qui réalise un support sécurisé des tubes (12) afin d'atténuer les vibrations et les problèmes associés avec les vibrations. Le faisceau tubulaire se compose de tubes qui sont supportés par des cages espacées (22) munies de barres supports (26) dont les dimensions permettent un espacement important par rapport aux tubes voisins et qui sont configurées avec des positions alternées et des orientations alternées de sorte que des ensembles de quatre cages très espacées forment un réseau support complet. Pour garantir un support sécurisé et empêchant les vibrations, des ensembles de piles de supports (30) sont insérés à côté des (ou entre les) cages afin de forcer les tubes contre les barres supports des cages. La fabrication s'en trouve ainsi simplifiée tout en conservant un système support sécurisé.
Melli Tomas R.
Rudy Thomas Michael
Wanni Amar S.
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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