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Formation de coulis de glace avec un échangeur de chaleur à plaque sous basse pression.

Ice slurry formation with a low pressurized plate heat exchanger.

Auteurs : KIM B., LEE D. G., PECK J. H., et al.

Résumé

Ice adhesion and blockage problems have been issued in an ice slurry making process. An ice formation has been tried experimentally with a commercial small plate heat exchanger (PHX) under pressurized condition in order to find the influence of pressurization to make ice slurry continuously in dynamic type-ice thermal storage system. An aqueous solution was supercooled in the PHX and was dissolved and transformed to ice slurry in a slurry tank. In the ice formation, temperature and pressure in the PHX were investigated to valve existence, PHX pressure and cooling temperature. At results, by using a pressurized PHX of 416 kPa, continuous ice formation was maintained to 160 minutes with the cooling temperature of -5°C though ice blockage occurred in a cooling temperature of -10°C. Moreover, the time of continuous ice formation increased as the pressure of the plate heat exchanger increased under equal cooling temperature. It was proved that the pressurization may contribute to suppress the dissolution of supercooled aqueous solution in the PHX.

Détails

  • Titre original : Ice slurry formation with a low pressurized plate heat exchanger.
  • Identifiant de la fiche : 2007-1128
  • Langues : Anglais
  • Source : ACRA-2006. Proceedings of the 3rd Asian conference on refrigeration and air conditioning.
  • Date d'édition : 21/05/2006

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