Heat exchanger with a reduced tendency to produce deposits...

C - Chemistry – Metallurgy – 23 – C

Patent

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Details

C23C 18/16 (2006.01) C23C 18/36 (2006.01) F28F 19/06 (2006.01)

Patent

CA 2358097

The invention relates to a method for producing a heat exchanger. Said method is characterised in that a metal polymer dispersion layer having a halogenated polymer is chemically deposited on a heat exchange surface in a currentless manner. The invention also relates to a method for producing a heat exchanger. Said method is characterised in that a metal phosphor layer having a thickness of 1 to 15 µm is applied by currentless chemical deposition before the metal polymer dispersion layer is applied. The invention also relates to a heat exchanger which can be produced by an inventive method and to the utilisation of a coating which is produced by currentlessly, chemically depositing a metal polymer dispersion layer having a halogenated polymer in order to make the coated surfaces less likely to accumulate solid materials from fluids whereby deposits are formed.

L'invention concerne un procédé de production d'un échangeur de chaleur, caractérisé par le dépôt chimique sans courant d'une couche de dispersion métal-polymère, dans laquelle le polymère est halogéné, sur une surface d'échange de chaleur. L'invention concerne également un procédé de production d'un échangeur de chaleur, caractérisé en ce que, avant l'application de la couche de dispersion métal-polymère, une couche constituée de métal et de phosphore, présentant une épaisseur comprise entre 1 et 15 µm est appliquée par dépôt chimique sans courant. L'invention concerne en outre un échangeur de chaleur pouvant être produit selon un procédé mentionné, ainsi que l'utilisation d'un revêtement produit par dépôt chimique sans courant d'une couche de dispersion métal-polymère, dans laquelle le polymère est halogéné, pour réduire la tendance des surfaces revêtues à former des dépôts de matières solides à partir de fluides.

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