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Temperature Field Simulation and Energy Analysis of a Heat Pump Tobacco Bulk Curing Barn

Author

Listed:
  • Ye Zhang

    (College of Engineering, South China Agricultural University, Guangzhou 510642, China)

  • Bin Li

    (College of Intelligent and Manufacturing Engineering, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, China)

  • Zhenfeng He

    (College of Engineering, South China Agricultural University, Guangzhou 510642, China)

  • Wenyan Ou

    (College of Engineering, South China Agricultural University, Guangzhou 510642, China)

  • Jiahao Zhong

    (College of Engineering, South China Agricultural University, Guangzhou 510642, China)

  • Xuefeng Zhang

    (College of Engineering, South China Agricultural University, Guangzhou 510642, China)

  • Mingang Meng

    (College of Engineering, South China Agricultural University, Guangzhou 510642, China)

  • Changyou Li

    (College of Engineering, South China Agricultural University, Guangzhou 510642, China)

Abstract

Recently, heat pump drying has been widely used in tobacco processing. Considering the importance of this issue, it is of significant importance to further investigate temperature distribution and energy analysis in the drying process. To develop an energy-saving, environmental-friendly, and high-quality tobacco drying method, temperature distribution, dehumidification performance, the economic issues, and thermal efficiency of a heat pump curing barn (HPCB) and a traditional coal-fired bulk curing barn (TCCB) were compared. The regional temperature eigenvalue model was applied to describe the temperature uniformity with HPCB and TCCB. Moreover, thermal efficiency was obtained through energy tests. The obtained results showed that HPCB is beneficial to improve the drying quality of tobacco. The performed analyses showed that the thermal efficiency of the TCCB and HPCB was 42.02% and 66.53%, respectively. Accordingly, heat pump technology is recommended for industrial drying of tobacco leaves and obtaining high-quality products.

Suggested Citation

  • Ye Zhang & Bin Li & Zhenfeng He & Wenyan Ou & Jiahao Zhong & Xuefeng Zhang & Mingang Meng & Changyou Li, 2022. "Temperature Field Simulation and Energy Analysis of a Heat Pump Tobacco Bulk Curing Barn," Energies, MDPI, vol. 15(22), pages 1-16, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:22:p:8655-:d:976695
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    References listed on IDEAS

    as
    1. Tomasz P. Olejnik & Tymoteusz Mysakowski & Paweł Tomtas & Radosław Mostowski, 2021. "Optimization of the Beef Drying Process in a Heat Pump Chamber Dryer," Energies, MDPI, vol. 14(16), pages 1-21, August.
    2. Hai-Bo Zhao & Kun Wu & Jing-Feng Zhang, 2021. "Simulation Study on Active Air Flow Distribution Characteristics of Closed Heat Pump Drying System with Waste Heat Recovery," Energies, MDPI, vol. 14(19), pages 1-19, October.
    Full references (including those not matched with items on IDEAS)

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