Improved heat exchanger housing and seals

Details Improved heat exchanger housing and seals Improved heat exchanger housing and seals

F - Mech Eng,Light,Heat,Weapons

28

F

F28F 9/22 (2006.01) F28D 7/16 (2006.01)

Patent

CA 2522613

A housing for a heat exchange apparatus including a fluid passageway partially defined by a baffle plate having an extended portion. The heat exchange apparatus further includes an array of fluid conduits extending through the fluid passageway. The housing includes a plurality of housing members each having a wall and at least one flange extending from the wall. The flanges of adjacent housing members are joined at a flange joint, and the flange joint is configured to fixedly receive the extended portion of the baffle plate. The apparatus also includes a plate member is provided within the fluid passageway and intumescent material fills a gap between the baffle plate and the plate member. Additionally, a second baffle plate is provided that defines a portion of a second fluid passageway, where a refractory gasket and a layer of intumescent material are provided between the first and second baffle plates.

L'invention concerne un compartiment pour un appareil d'échange de chaleur comprenant un passage de fluide partiellement défini par un plateau de chicane présentant une partie de prolongement. L'appareil d'échange de chaleur comprend également un agencement de conduits fluidiques s'étendant à travers le passage de fluide. Le compartiment comprend une pluralité d'éléments de compartiment, chacun de ces éléments présentant une paroi et au moins un rebord s'étendant à partir de la paroi. Les rebords des éléments de compartiment adjacents se rejoignent au niveau d'un joint de rebord, et le joint de rebord est conçu pour recevoir fixe la partie de prolongement du plateau de chicane. L'appareil comprend également un élément de plateau prévu à l'intérieur du passage de fluide et un matériau intumescent remplit l'espace situé entre le plateau de chicane et l'élément de plateau. En outre, un second plateau de chicane définit une partie d'un second passage de fluide, une garniture d'étanchéité réfractaire et une couche de matériau intumescent étant situées entre le premier plateau de chicane et le second plateau de chicane.

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