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Steady state measurements and dynamic behaviour of an absorption heat transformer operating in an industrial environment.

Number: 0564

Author(s) : CIGANDA J. L., MARTINEZ-URRUTIA A.

Summary

An Absorption Heat Transformer or Type II Absorption Heat Pump is a thermally driven heat pump able to upgrade approximately half of its driving heat up to a higher temperature level with an almost neglectable consumption of electric power. In the frame of a European project a 200 kW industrial pilot heat pump has been designed and installed in the power plant of a petrochemical facility. This work presents operation data of this AHT prototype operating at industrial scale. The presented results include steady state as well as dynamic performance measurements. The pilot AHT had continuously delivered heat flow rates between 220 and 270 kW with a thermal COP of around 0.5. The comparison of the monitoring results with those of a laboratory prototype present a deviation in the performance of around 20 % in terms of usable heat flow rates, but some explanation for this deviation are presented based on the operating conditions. The use of a dedicated adiabatic absorption chamber on the other side, partially compensate this deviation in performance, confirming the advantages of using an absorber with this configuration.

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  • Original title: Steady state measurements and dynamic behaviour of an absorption heat transformer operating in an industrial environment.
  • Record ID : 30033276
  • Languages: English
  • Source: 14th IEA Heat Pump Conference 2023, Chicago, Illinois.
  • Publication date: 2023/05

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