Recombiner with a stabilized reaction temperature

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 12/00 (2006.01) G21C 9/06 (2006.01) G21C 19/317 (2006.01)

Patent

CA 2420067

Device for recombining hydrogen, with at least one catalyst element, comprising at least one heat pipe that carries an operating medium and is connected with the catalyst element in a thermally-conductive manner, and a refrigerating device for refrigerating the coolant connected to the heat pipe, by which is solved the technical problem of reacting in a controlled manner both small and large quantities of hydrogen with the atmospheric oxygen present in the safety containments in a wide range of concentrations, and dissipating the heat of reaction generated to such a degree that the respective ignition temperatures are not reached. To this end, a first section of the heating tube is filled with liquid coolant and the first section is connected to the catalyst element, and a second section of the heat pipe is filled with a vapor cushion containing an operating medium in vapor form and the refrigerating device is located in the second section.

L'invention concerne un dispositif servant à recombiner de l'hydrogène avec au moins un élément catalyseur (8) et comprenant au moins un tube de chauffe (7) conduisant une substance active (11) et relié de manière thermoconductrice à l'élément catalyseur (8), ainsi qu'un dispositif de refroidissement (14) relié au tube de chauffe et servant à refroidir le réfrigérant (11). L'invention vise à résoudre le problème technique que pose le fait de faire réagir de manière contrôlée des quantités d'hydrogène aussi bien faibles qu'importantes avec l'oxygène de l'air présent dans les cuves de sécurité dans une plage de concentration étendue et d'évacuer la chaleur de réaction qui en résulte afin que la température d'inflammation ne soit pas atteinte dans le mélange existant. A cet effet, un premier segment (7a) du tube de chauffe (7) est rempli de réfrigérant liquide (11), le premier segment (7a) est relié à l'élément catalyseur (8), un deuxième segment (7b) du tube de chauffe (7) est rempli d'un matelas de vapeur (12) présentant une substance active à l'état de vapeur (11) et l'élément de refroidissement (14) est placé dans le deuxième segment (7b).

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