Heat exchanger with welded plates

F - Mech Eng,Light,Heat,Weapons – 28 – D

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Details

F28D 9/00 (2006.01) F28F 3/08 (2006.01) F28F 9/00 (2006.01)

Patent

CA 2746977

The invention relates to a heat exchanger, comprising a closed chamber in which are arranged ribbed welded plates (40) defining therebetween independent and mutually penetrating circuits in which fluids flow, the side walls defining said chamber being attached onto vertical rails, characterised in that said plates comprise at each angle an edge (41) that fits into apertures formed on vertical angle corners (60), said rails being inserted into said corners. The use of angle corners for receiving the edges of the plates improves the assembly and the retention of the plates therebetween.

La présente invention concerne un échangeur thermique comportant une enceinte fermée à l'intérieur de laquelle sont agencées des plaques (40) soudées nervurées définissant entre elles des circuits indépendants s'interpénétrant dans lesquels sont destinés à circuler des fluides, les parois latérales délimitant ladite enceinte étant fixées sur des longerons verticaux, se caractérisant par le fait que lesdites plaques comportent dans chaque angle une arête (41 ) venant s'emboîter dans des lumières réalisées sur des cornières d'angle verticales (60), lesdits longerons étant insérés dans lesdites cornières. L'utilisation de cornières d'angle adaptées pour recevoir les arêtes des plaques permet d'améliorer l'assemblage et le maintien desdites plaques entre- elles.

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