Reduced vibration tube bundle device

Details Reduced vibration tube bundle device Reduced vibration tube bundle device

F - Mech Eng,Light,Heat,Weapons

28

F

F28F 9/013 (2006.01)

Patent

CA 2578480

A tube bundle device (10) useful in heat exchangers, condensers and other devices which has a number of tube support cages (TSC-V, TSC-H) placed at extended locations along the length of the tubes (11). After the initial construction of the bundle in which the tubes are inserted into the support cages the tube bundle is stiffened by inserting sets of tube stakes (TSS-V, TSS-H) between the tube support cages, preferably at the midpoint of the tube span between the cages. The tubes (11) are supported by rods or bars (20) in each tube lane (12) at the tube support cage locations and the rods in each cage are rotated axially with respect to the rods in the next adjacent cage; in a similar manner, the stakes in each set are rotated axially with respect to the stakes in the next axially adjacent set.

L'invention concerne un dispositif à faisceau de tubes (10) pouvant être utilisé dans des échangeurs de chaleur, des condensateurs et d'autres dispositifs, et comprenant une pluralité de cages de support de tubes (TSC-V, TSC-H) espacées longitudinalement sur les tubes (11). Après la construction initiale du faisceau, qui consiste à insérer les tubes dans les cages de support, le faisceau de tubes est renforcé par insertion d'ensembles de montants pour tubes (TSS-V, TSS-H) entre les cages de support, de préférence au niveau du point médian de la section des tubes entre les cages. Les tubes (11) sont supportés par des tiges ou des barres (20) dans chaque couloir de tubes (12) au niveau des cages de support de tubes, les tiges dans chaque cage étant entraînées axialement en rotation par rapport aux tiges dans la cage adjacente suivante. De la même façon, les montants dans chaque ensemble sont entraînés axialement en rotation par rapport aux montants dans l'ensemble axialement adjacent suivant.

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