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IIR document

Energy management of surplus heat from refrigeration.

Number: pap. ID: 226

Author(s) : NORDTVEDT T. S., NORDTVEDT S. R.

Summary

Many industrial processes generate a large amount of surplus heat. For instance, in a refrigeration process there is potential heat sources from the condenser or from the compressor. The challenge has been to find useful use of this heat. In many productions the need for heat and cold is not simultaneous. To utilize this, a solution is to have different companies sharing the surplus heat. In southern part of Norway a dairy, a meat plant, a food company and a greenhouse has cooperation sharing the surplus heat from their production. This paper will present the form of cooperation, the economical benefits and energy reduction potential. Using an energy planning model the potential reduction of the total energy use and further improvements in the cooperation is shown. The model minimizes total energy system cost of meeting predefined energy demands of electricity, heating and cooling within a geographical area over a given planning horizon. The model uses a detailed network representation of technologies and infrastructure to handle investments decisions down to single components, cables and pipelines. The object function includes investment, operating and environmental costs over a planning horizon of several decades for most relevant energy carriers and conversion between these.

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Pages: 8 p.

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Details

  • Original title: Energy management of surplus heat from refrigeration.
  • Record ID : 30002271
  • Languages: English
  • Subject: General information
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

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