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IIR document

Integration of high-temperature heat pumps in Swiss food processes.

Number: 0367

Author(s) : ARPAGAUS C., BLESS F., PARANJAPE S., BERTSCH S. S.

Summary

High-temperature heat pumps (HTHP) with supply temperatures above 100 °C are becoming increasingly important in the industry. However, their adoption is slow due to a lack of knowledge on optimal integration, design, control and dynamic behavior, resulting in few practical implementation examples. This study aims to increase the integration of industrial HTHP in the Swiss food and beverage industry. First, an overview of heat demand, application potential, and suitable processes and temperatures is given. Then, based on available pinch analysis data and grand composite curves, two case studies of a spray drying and distillation application are analyzed to determine heat recovery potential and hot and cold utilities. Next, simplified process schematics are created with HTHP integration concepts. Finally, the overall efficiency, heat recovery, energy savings and CO2 emissions reduction are quantified. The goal is to provide practical examples and a standardized approach for HTHP integration in the food and beverage industry.

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Pages: 12

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Details

  • Original title: Integration of high-temperature heat pumps in Swiss food processes.
  • Record ID : 30031402
  • Languages: English
  • Subject: Technology
  • Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
  • Publication date: 2023/08/21
  • DOI: http://dx.doi.org/10.18462/iir.icr.2023.0367

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