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Performance analysis and operation scheduling study for cogeneration system coupled with molten salt thermal storage equipment
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Wei LI1, Jingyu MAO1, Ao LI1, Yiming HU2, Ming LI2, Ying XIAO1
Thermal Power Generation | 2025, 54(2) : 1 - 8
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Thermal Power Generation | 2025, 54(2): 1-8
• Integrated technology of source-grid-load-storage •
Performance analysis and operation scheduling study for cogeneration system coupled with molten salt thermal storage equipment
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Wei LI1, Jingyu MAO1, Ao LI1, Yiming HU2, Ming LI2, Ying XIAO1
Affiliations
  • 1.College of Energy Engineering, Zhejiang University, Hangzhou 310027, China
  • 2.Tongxiang Taiaisi Environmental Protection Energy Co., Ltd., Tongxiang 314500, China
Published: 2025-02-25 doi: 10.19666/j.rlfd.202406135
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The growing share of renewable energy leads to increased load volatility and uncertainty in power system, necessitating greater flexibility in cogeneration systems. The utilization of molten salt thermal storage equipment can enhance the performance of cogeneration systems. Against the main-pipeline cogeneration system consisting of four boilers and two steam turbines which is integrated with a coupled molten salt thermal storage equipment, the EBSILON simulation software is used to establish mechanism model for power supply and heating. The influence of molten salt heat storage equipment on combined heat and power system performance is analyzed, and the optimization scheduling methods for coupled systems are also investigated. The results show that, the coupling of molten salt thermal storage equipment in cogeneration systems can increase the system’s peak shaving capacity, expand the system’s operating range, and broaden the unit’s operating area. After estimation, the amount of coal saved in one day can be about 4.16 tons, the carbon emissions can be reduced by about 8.25 tons, and the pollutant emissions can be decreased by about 1.76 kg. The molten salt thermal storage equipment has improved the system’s economy and environmental friendliness.

molten salt thermal storage  /  EBSILON modeling  /  cogeneration system
Wei LI, Jingyu MAO, Ao LI, Yiming HU, Ming LI, Ying XIAO. Performance analysis and operation scheduling study for cogeneration system coupled with molten salt thermal storage equipment[J]. Thermal Power Generation, 2025 , 54 (2) : 1 -8 . DOI: 10.19666/j.rlfd.202406135
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Year 2025 volume 54 Issue 2
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Article Info
doi: 10.19666/j.rlfd.202406135
  • Receive Date：2024-06-13
  • Online Date：2026-03-06
  • Published：2025-02-25
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  • Received：2024-06-13
Affiliations
    1.College of Energy Engineering, Zhejiang University, Hangzhou 310027, China
    2.Tongxiang Taiaisi Environmental Protection Energy Co., Ltd., Tongxiang 314500, China
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