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Design and Energy-Saving Analysis of a New LNG Vaporizer Based on Mg-Based Hydrogen Storage Metal

Author

Listed:
  • Wenke Yuan

    (School of Civil Engineering, Guizhou University, Guiyang 550025, China)

  • Zixuan Yin

    (School of Architecture and Urban Planning, Guizhou University, Guiyang 550025, China)

  • Yan Su

    (School of Civil Engineering, Guizhou University, Guiyang 550025, China)

  • Zhangyu Liu

    (School of Civil Engineering, Guizhou University, Guiyang 550025, China)

  • Leyi Bao

    (School of Economics, Guizhou University, Guiyang 550025, China)

  • Jinyu An

    (School of Civil Engineering, Guizhou University, Guiyang 550025, China)

Abstract

In order to save the large amount of energy consumption associated with traditional water-bath LNG vaporizer, this paper proposes a novel design for a liquefied natural gas (LNG) vaporizer by comprehensively applying the exothermic property of hydrogen storage metals and the high efficiency of solar energy storage devices. In this paper, the working theory of the proposed LNG vaporizer is first addressed; then, a system featuring a new LNG vaporizer with 1312 mm diameter and 4000 mm length is designed, and its feasibility is demonstrated through technical and economic analysis. After comparison, Mg 2 Ni has higher economic benefits as a hydrogen storage metal than Mg. When Mg 2 Ni is used as the hydrogen storage metal, the daily power consumption for vaporizing 1000 m 3 of LNG at night during winter is just 89.78 kW·h, with an energy efficiency of about 50%. Combined with solar energy storage devices, for a northern city in China (about 40° N), the savings in electricity costs could be about $2200 per year.

Suggested Citation

  • Wenke Yuan & Zixuan Yin & Yan Su & Zhangyu Liu & Leyi Bao & Jinyu An, 2025. "Design and Energy-Saving Analysis of a New LNG Vaporizer Based on Mg-Based Hydrogen Storage Metal," Energies, MDPI, vol. 18(4), pages 1-18, February.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:4:p:875-:d:1589677
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    References listed on IDEAS

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    1. Rodrigo Pereira Botão & Hirdan Katarina de Medeiros Costa & Edmilson Moutinho dos Santos, 2023. "Global Gas and LNG Markets: Demand, Supply Dynamics, and Implications for the Future," Energies, MDPI, vol. 16(13), pages 1-14, July.
    2. Osamah Alghazwat & Melyse Laud & Yi Liao, 2024. "Thermally Enhanced Acidity for Regeneration of Carbon Dioxide Sorbent," Energies, MDPI, vol. 17(17), pages 1-9, August.
    3. Jha, Aprajeeta & Tripathy, P.P., 2019. "Heat transfer modeling and performance evaluation of photovoltaic system in different seasonal and climatic conditions," Renewable Energy, Elsevier, vol. 135(C), pages 856-865.
    4. Dahye Sung & Wongwan Jung & Jungho Choi, 2024. "Multi Stage Organic Rankine Cycle Using Boil-Off Gas on Liquefied Hydrogen Carrier," Energies, MDPI, vol. 17(24), pages 1-13, December.
    5. Song Cao & Tao Luan & Pengliang Zuo & Xiaolei Si & Pu Xie & Yingjun Guo, 2025. "Simulation and Economic Benefit Analysis of Carburetor Combined Transport in Winter at a Liquefied Natural Gas Receiving Station," Energies, MDPI, vol. 18(2), pages 1-14, January.
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