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Conception, fabrication et démonstration expérimentale d’un échangeur de chaleur et de masse à plaques à film tombant amovible pour une pompe à chaleur à absorption de LiBr–H2O.

Design, fabrication and experiment demonstration of a detachable falling film platetype heat and mass exchanger for a LiBr/H2O absorption heat pump.

Numéro : AB-YR3-1008

Auteurs : HU T., XIE X., JIANG Y.

Résumé

In order to scale down the size of a LiBr/H2O absorption heat pump, the compact plate type heat exchanger configuration is utilized to substitute for the shell-tube type heat exchanger configuration in the four essential components (absorber, generator, evaporator and condenser). In the novel heat and mass exchanger reported here, heat medium channels (positive pressure atmosphere) is detachable without the damage to working pair channels (vacuum atmosphere) for the maintenance purpose. A directly-connected overflow solution distributor is proposed to ensure the realization of detachability while keep the uniform solution distribution and stable falling-film flow. An experimental research was conducted to assess thermal performance of the proposed heat and mass exchanger under rated and variable conditions. Experimental results demonstrated the feasibility of a compact plate-type LiBr/H2O absorption heat pump with the implementation of the novel heat and mass exchanger.

Détails

  • Titre original : Design, fabrication and experiment demonstration of a detachable falling film platetype heat and mass exchanger for a LiBr/H2O absorption heat pump.
  • Identifiant de la fiche : 30022779
  • Langues : Anglais
  • Source : International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.
  • Date d'édition : 07/08/2017

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