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Cold storage warehouse, using direct-expansion ammonia refrigerant.

Author(s) : CLARKE R.

Summary

This paper presents the design approach adopted for the expansion of a large existing cold storage complex served by a liquid recirculation ammonia refrigeration system. The expansion required the addition of new rooms equivalent to 130% of the volume of existing rooms, as well as providing a means where by the new rooms could be independently operated for either frozen or chilled product storage duty. Three new 43 000 m3 freezer rooms were added, each serviced by two, direct expansion ammonia, air-cooling evaporators. Each is arranged for automatic ambient air defrosting. The design encompasses the use of supply air duct systems with jet air diffusers; which enables the ammonia evaporators located in alcoves, to be isolated from the stored product in the room.

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Pages: 2005-2

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Details

  • Original title: Cold storage warehouse, using direct-expansion ammonia refrigerant.
  • Record ID : 2006-1366
  • Languages: English
  • Source: Ammonia Refrigerating Systems, Renewal and Improvement.
  • Publication date: 2005/05/06

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