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Refroidisseur intermédiaire dynamique par contact direct dans une installation frigorifique biétagé à ammoniac.

Direct contact dispersed dynamic intercooler in two-stage ammonia refrigeration plant.

Auteurs : ZHYVYTSYA V., CHUMAK I., BAYDAK Y., et al.

Résumé

An intercooler in a compound system is to cool the discharge ammonia vapour between stages. This is usually done by the bubbling process through a bath of liquid ammonia, and inevitable pressure drops occur, slugging is the most dangerous and frequent break-downs with the high-stage reciprocating ammonia compressors. The direct contact evaporating cooling device (two phase jet apparatus) with the heat compression effect has been used instead of the bubbling open (or closed) type intercooler. Classification of two-phase jet apparatus with the obligatory phase change, two-stage ammonia cycle with the thermoprocessor for intermediate cooling and the piping diagrams, namely: for a single unit, for several compressors with the common intercooler in the compound system and for the temporary low temperature supply have been shown.

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Pages : 2004-2

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Détails

  • Titre original : Direct contact dispersed dynamic intercooler in two-stage ammonia refrigeration plant.
  • Identifiant de la fiche : 2005-1791
  • Langues : Anglais
  • Source : Natural Working Fluids 2004: 6th IIR-Gustav Lorentzen Conference
  • Date d'édition : 01/08/2004

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