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Experimental investigation of a MnCl2/CaCl2-NH3 two-stage solid sorption freezing system for a refrigerated truck

Author

Listed:
  • Gao, P.
  • Wang, L.W.
  • Wang, R.Z.
  • Zhang, X.F.
  • Li, D.P.
  • Liang, Z.W.
  • Cai, A.F.

Abstract

A MnCl2/CaCl2-NH3 two-stage solid sorption freezing system consisting of a MnCl2 sorption bed, a CaCl2 sorption bed, an evaporator and a condenser is established for a refrigerated truck, for which the required refrigerating capacity is 1.13 kW at a refrigerating temperature of −5 °C. Composite adsorbents of MnCl2 and CaCl2 developed by expanded natural graphite treated with sulfuric acid are utilized. The sorption/desorption process and the resorption process are coupled in the two-stage cycle. The experimental results show that the maximum refrigerating capacity of 1.25 kW and COP (coefficient of performance) of 0.143 are obtained at a resorption time of 120 min when the hot air and refrigerating temperatures are 230 °C and −5 °C, respectively. In addition, the refrigerating capacity of 1.19 kW is achieved even when the hot air temperature is as low as 210 °C, and such a result can satisfy the requirement for transporting fresh goods. The refrigerating capacity is 1.32 kW when the hot air and refrigerating temperatures are 270 °C and −10 °C, respectively, and the data are higher than the required refrigerating capacity. However, for refrigerating temperatures of −15 °C and −18 °C, the refrigerating capacity experimentally obtained could meet the requirement only when a truck is utilized for long-distance transportation.

Suggested Citation

  • Gao, P. & Wang, L.W. & Wang, R.Z. & Zhang, X.F. & Li, D.P. & Liang, Z.W. & Cai, A.F., 2016. "Experimental investigation of a MnCl2/CaCl2-NH3 two-stage solid sorption freezing system for a refrigerated truck," Energy, Elsevier, vol. 103(C), pages 16-26.
    • Handle: RePEc:eee:energy:v:103:y:2016:i:c:p:16-26
    DOI: 10.1016/j.energy.2016.02.145
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    Citations

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    Cited by:

    1. Zhu, F.Q. & Jiang, L. & Wang, L.W. & Wang, R.Z., 2016. "Experimental investigation on a MnCl2CaCl2NH3 resorption system for heat and refrigeration cogeneration," Applied Energy, Elsevier, vol. 181(C), pages 29-37.
    2. Wang, Yunfeng & Li, Ming & Ji, Xu & Yu, Qiongfen & Li, Guoliang & Ma, Xun, 2018. "Experimental study of the effect of enhanced mass transfer on the performance improvement of a solar-driven adsorption refrigeration system," Applied Energy, Elsevier, vol. 224(C), pages 417-425.
    3. Serge Nyallang Nyamsi & Mykhaylo Lototskyy & Ivan Tolj, 2020. "Optimal Design of Combined Two-Tank Latent and Metal Hydrides-Based Thermochemical Heat Storage Systems for High-Temperature Waste Heat Recovery," Energies, MDPI, vol. 13(16), pages 1-18, August.
    4. Jiang, L. & Li, S. & Wang, R.Q. & Fan, Y.B. & Zhang, X.J. & Roskilly, A.P., 2021. "Performance analysis on a hybrid compression-assisted sorption thermal battery for seasonal heat storage in severe cold region," Renewable Energy, Elsevier, vol. 180(C), pages 398-409.
    5. Korhammer, Kathrin & Neumann, Karsten & Opel, Oliver & Ruck, Wolfgang K.L., 2018. "Thermodynamic and kinetic study of CaCl2-CH3OH adducts for solid sorption refrigeration by TGA/DSC," Applied Energy, Elsevier, vol. 230(C), pages 1255-1278.
    6. Gao, J. & Wang, L.W. & An, G.L. & Liu, J.Y. & Xu, S.Z., 2018. "Performance analysis of multi-salt sorbents without sorption hysteresis for low-grade heat recovery," Renewable Energy, Elsevier, vol. 118(C), pages 718-726.
    7. Gao, Peng & Wei, Xinyu & Wang, Liwei & Zhu, Fangqi, 2022. "Compression-assisted decomposition thermochemical sorption energy storage system for deep engine exhaust waste heat recovery," Energy, Elsevier, vol. 244(PB).
    8. Serge Nyallang Nyamsi & Ivan Tolj & Mykhaylo Lototskyy, 2019. "Metal Hydride Beds-Phase Change Materials: Dual Mode Thermal Energy Storage for Medium-High Temperature Industrial Waste Heat Recovery," Energies, MDPI, vol. 12(20), pages 1-27, October.
    9. Angelo Maiorino & Fabio Petruzziello & Ciro Aprea, 2021. "Refrigerated Transport: State of the Art, Technical Issues, Innovations and Challenges for Sustainability," Energies, MDPI, vol. 14(21), pages 1-55, November.
    10. Zhang, Hong & Yan, Ting & Yu, Nan & Li, Z.H. & Pan, Q.W., 2022. "Sorption based long-term thermal energy storage with strontium chloride/ammonia," Energy, Elsevier, vol. 239(PD).

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