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Large-temperature-lift heat pumps for simultaneous heating and cooling applications in the dairy industry.

Number: 0074

Author(s) : AYOU D. S., ARPAGAUS C., BERTSCH S., CORONAS A.

Summary

Large-temperature-lift heat pumps for simultaneous heating and cooling (HP4SHC) have a great potential for the decarbonization of dairy processing industries. In this paper, the performance of HP4SHC cycles using natural refrigerants is simulated for a range of typical heating and cooling temperatures from 20 °C to 150 °C for dairy product production by evaporation, pasteurization, sterilization, and UHT heating, ≤ 7 °C for fluid milk chilling and dairy product refrigerated storage. The performance of HP4SHC cycles is also compared to a business-as-usual scenario in the dairy industry (i.e., natural gas-fired boiler and electrically-driven compression chiller). Further, the cycle's performance is contrasted with (add-on) heat pumps used to upgrade waste heat from the refrigeration system. As a result, HP4SHC reduces energy consumption, increasing the dairy plant's competitiveness and mitigating carbon emissions. Thus, HP4SHC plays a key role in a low-carbon future in the dairy industry and meeting long-term sustainability targets.

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Pages: 8 p.

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Details

  • Original title: Large-temperature-lift heat pumps for simultaneous heating and cooling applications in the dairy industry.
  • Record ID : 30029689
  • Languages: English
  • Subject: Technology
  • Source: 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022.
  • Publication date: 2022/06/13
  • DOI: http://dx.doi.org/10.18462/iir.gl2022.0074
  • Document available for consultation in the library of the IIR headquarters only.

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