IDEAS home Printed from https://ideas.repec.org/a/eee/energy/v288y2024ics0360544223029511.html
   My bibliography  Save this article

Design and performance analysis of deep peak shaving scheme for thermal power units based on high-temperature molten salt heat storage system

Author

Listed:
  • Ma, Tingshan
  • Li, Zhengkuan
  • Lv, Kai
  • Chang, Dongfeng
  • Hu, Wenshuai
  • Zou, Ying

Abstract

The transition to renewable energy production is imperative for achieving the low-carbon goal. However, the current lack of peak shaving capacity and poor flexibility of coal-fired units hinders the large-scale consumption of renewable energy. This study takes a 670 MW coal-fired unit as the research object and proposes eight design schemes for molten salt heat storage auxiliary peak shaving system. And through simulation calculations using Ebsilon software, the thermal performance, peak shaving capacity, environmental performance, and investment cost of each scheme were compared and analyzed. The results show that the molten salt heat storage auxiliary peak shaving system improves the flexibility of coal-fired units and can effectively regulate unit output; The combination of high-temperature molten salt and low-temperature molten salt heat storage effectively overcomes the problem of limited working temperature of a single type of molten salt, and can further improve the peak shaving capacity of coal-fired units, and the overall efficiency of operation is not low; Choosing LiNaK carbonates as high parameter molten salt and Hitec as low parameter molten salt has greatly expanded the operating range of the unit; Upgrading the combined molten salt solution with the existing low pressure cylinder zero output pipeline of the power plant can further improve the thermal performance, peak shaving performance, and environmental performance of the thermal power molten salt coupling system, with a peak shaving depth of up to 90.2 %; Combined with the zero output technology of low-pressure cylinder, when heat storage, the intermediate pressure cylinder exhaust steam extraction and electric heater heating molten salt. When releasing heat, use combined molten salt to heat bypass water supply. During heat release, a combination of molten salt is used to heat the bypass water supply. This scheme is the best flexible peak shaving transformation plan for the unit studied in this article, which can recover the initial investment within five years and meet the requirements of technical transformation difficulty.

Suggested Citation

  • Ma, Tingshan & Li, Zhengkuan & Lv, Kai & Chang, Dongfeng & Hu, Wenshuai & Zou, Ying, 2024. "Design and performance analysis of deep peak shaving scheme for thermal power units based on high-temperature molten salt heat storage system," Energy, Elsevier, vol. 288(C).
    • Handle: RePEc:eee:energy:v:288:y:2024:i:c:s0360544223029511
    DOI: 10.1016/j.energy.2023.129557
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S0360544223029511
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/j.energy.2023.129557?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Garðarsdóttir, Stefanía Ó. & Göransson, Lisa & Normann, Fredrik & Johnsson, Filip, 2018. "Improving the flexibility of coal-fired power generators: Impact on the composition of a cost-optimal electricity system," Applied Energy, Elsevier, vol. 209(C), pages 277-289.
    2. Li, Xiaolei & Xu, Ershu & Song, Shuang & Wang, Xiangyan & Yuan, Guofeng, 2017. "Dynamic simulation of two-tank indirect thermal energy storage system with molten salt," Renewable Energy, Elsevier, vol. 113(C), pages 1311-1319.
    3. Garbrecht, Oliver & Bieber, Malte & Kneer, Reinhold, 2017. "Increasing fossil power plant flexibility by integrating molten-salt thermal storage," Energy, Elsevier, vol. 118(C), pages 876-883.
    4. Zhang, P. & Ma, F. & Xiao, X., 2016. "Thermal energy storage and retrieval characteristics of a molten-salt latent heat thermal energy storage system," Applied Energy, Elsevier, vol. 173(C), pages 255-271.
    5. Hübel, Moritz & Meinke, Sebastian & Andrén, Marcus T. & Wedding, Christoffer & Nocke, Jürgen & Gierow, Conrad & Hassel, Egon & Funkquist, Jonas, 2017. "Modelling and simulation of a coal-fired power plant for start-up optimisation," Applied Energy, Elsevier, vol. 208(C), pages 319-331.
    6. Gong, Mei & Ottermo, Fredric, 2022. "High-temperature thermal storage in combined heat and power plants," Energy, Elsevier, vol. 252(C).
    7. Zhao, Yongliang & Song, Jian & Liu, Ming & Zhao, Yao & Olympios, Andreas V. & Sapin, Paul & Yan, Junjie & Markides, Christos N., 2022. "Thermo-economic assessments of pumped-thermal electricity storage systems employing sensible heat storage materials," Renewable Energy, Elsevier, vol. 186(C), pages 431-456.
    8. Cabeza, Luisa F. & de Gracia, Alvaro & Zsembinszki, Gabriel & Borri, Emiliano, 2021. "Perspectives on thermal energy storage research," Energy, Elsevier, vol. 231(C).
    9. Zhao, Yu & Chang, Zhiyuan & Zhao, Yuanyang & Yang, Qichao & Liu, Guangbin & Li, Liansheng, 2023. "Performance comparison of three supercritical CO2 solar thermal power systems with compressed fluid and molten salt energy storage," Energy, Elsevier, vol. 282(C).
    10. Elfeky, K.E. & Mohammed, A.G. & Ahmed, N. & Lu, Lin & Wang, Qiuwang, 2020. "Thermal and economic evaluation of phase change material volume fraction for thermocline tank used in concentrating solar power plants," Applied Energy, Elsevier, vol. 267(C).
    11. Michael Krüger & Selman Muslubas & Thomas Loeper & Freerk Klasing & Philipp Knödler & Christian Mielke, 2020. "Potentials of Thermal Energy Storage Integrated into Steam Power Plants," Energies, MDPI, vol. 13(9), pages 1-13, May.
    12. Yao, Lingxiang & Xiao, Xianyong & Wang, Yang & Yao, Xiaoming & Ma, Zhicheng, 2022. "Dynamic modeling and hierarchical control of a concentrated solar power plant with direct molten salt storage," Energy, Elsevier, vol. 252(C).
    13. Jacek D. Wojcik & Jihong Wang, 2017. "Technical Feasibility Study of Thermal Energy Storage Integration into the Conventional Power Plant Cycle," Energies, MDPI, vol. 10(2), pages 1-19, February.
    14. Bernagozzi, Marco & Panesar, Angad S. & Morgan, Robert, 2019. "Molten salt selection methodology for medium temperature liquid air energy storage application," Applied Energy, Elsevier, vol. 248(C), pages 500-511.
    15. Prieto, Cristina & Fereres, Sonia & Ruiz-Cabañas, Francisco Javier & Rodriguez-Sanchez, Alfonso & Montero, Cristina, 2020. "Carbonate molten salt solar thermal pilot facility: Plant design, commissioning and operation up to 700 °C," Renewable Energy, Elsevier, vol. 151(C), pages 528-541.
    16. Sun, Yang & Wang, Ligang & Xu, Cheng & Van herle, Jan & Maréchal, François & Yang, Yongping, 2020. "Enhancing the operational flexibility of thermal power plants by coupling high-temperature power-to-gas," Applied Energy, Elsevier, vol. 263(C).
    17. Wang, Congyu & Song, Jiwei, 2023. "Performance assessment of the novel coal-fired combined heat and power plant integrating with flexibility renovations," Energy, Elsevier, vol. 263(PC).
    18. Kosman, Wojciech & Rusin, Andrzej & Reichel, Piotr, 2023. "Application of an energy storage system with molten salt to a steam turbine cycle to decrease the minimal acceptable load," Energy, Elsevier, vol. 266(C).
    19. Wang, Sen & Li, Fengting & Zhang, Gaohang & Yin, Chunya, 2023. "Analysis of energy storage demand for peak shaving and frequency regulation of power systems with high penetration of renewable energy," Energy, Elsevier, vol. 267(C).
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Wang, Runchen & Du, Xiaonan & Shi, Yuetao & Deng, Weipeng & Wang, Yuhao & Sun, Fengzhong, 2024. "A novel system for reducing power plant electricity consumption and enhancing deep peak-load capability," Energy, Elsevier, vol. 295(C).
    2. Shi, Xingping & He, Qing & Liu, Yixue & An, Xugang & Zhang, Qianxu & Du, Dongmei, 2024. "Thermodynamic and techno-economic analysis of a novel compressed air energy storage system coupled with coal-fired power unit," Energy, Elsevier, vol. 292(C).
    3. Hou, Guolian & Huang, Ting & Jiang, Hao & Cao, Huan & Zhang, Tianhao & Zhang, Jianhua & Gao, He & Liu, Yong & Zhou, Zhenhua & An, Zhenyi, 2024. "A flexible and deep peak shaving scheme for combined heat and power plant under full operating conditions," Energy, Elsevier, vol. 299(C).

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Michał Jurczyk & Tomasz Spietz & Agata Czardybon & Szymon Dobras & Karina Ignasiak & Łukasz Bartela & Wojciech Uchman & Jakub Ochmann, 2024. "Review of Thermal Energy Storage Materials for Application in Large-Scale Integrated Energy Systems—Methodology for Matching Heat Storage Solutions for Given Applications," Energies, MDPI, vol. 17(14), pages 1-28, July.
    2. Yan, Hui & Liu, Ming & Wang, Zhu & Zhang, Kezhen & Chong, Daotong & Yan, Junjie, 2023. "Flexibility enhancement of solar-aided coal-fired power plant under different direct normal irradiance conditions," Energy, Elsevier, vol. 262(PA).
    3. Zhang, Qijun & Dong, Jianning & Chen, Heng & Feng, Fuyuan & Xu, Gang & Wang, Xiuyan & Liu, Tong, 2024. "Dynamic characteristics and economic analysis of a coal-fired power plant integrated with molten salt thermal energy storage for improving peaking capacity," Energy, Elsevier, vol. 290(C).
    4. Liu, Zefeng & Wang, Chaoyang & Fan, Jianlin & Liu, Ming & Xing, Yong & Yan, Junjie, 2024. "Enhancing the flexibility and stability of coal-fired power plants by optimizing control schemes of throttling high-pressure extraction steam," Energy, Elsevier, vol. 288(C).
    5. Wang, Chaoyang & Zhao, Yongliang & Liu, Ming & Qiao, Yongqiang & Chong, Daotong & Yan, Junjie, 2018. "Peak shaving operational optimization of supercritical coal-fired power plants by revising control strategy for water-fuel ratio," Applied Energy, Elsevier, vol. 216(C), pages 212-223.
    6. Eleni Agelidou & Hannah Seliger-Ost & Martin Henke & Volker Dreißigacker & Thomas Krummrein & Peter Kutne, 2022. "The Heat-Storing Micro Gas Turbine—Process Analysis and Experimental Investigation of Effects on Combustion," Energies, MDPI, vol. 15(17), pages 1-24, August.
    7. Yang, Tingting & Liu, Ziyuan & Zeng, Deliang & Zhu, Yansong, 2023. "Simulation and evaluation of flexible enhancement of thermal power unit coupled with flywheel energy storage array," Energy, Elsevier, vol. 281(C).
    8. Gao, Xian & Knueven, Bernard & Siirola, John D. & Miller, David C. & Dowling, Alexander W., 2022. "Multiscale simulation of integrated energy system and electricity market interactions," Applied Energy, Elsevier, vol. 316(C).
    9. Zhao, Yongliang & Liu, Ming & Wang, Chaoyang & Wang, Zhu & Chong, Daotong & Yan, Junjie, 2019. "Exergy analysis of the regulating measures of operational flexibility in supercritical coal-fired power plants during transient processes," Applied Energy, Elsevier, vol. 253(C), pages 1-1.
    10. Miao, Lin & Liu, Ming & Zhang, Kezhen & Zhao, Yongliang & Yan, Junjie, 2023. "Energy, exergy, and economic analyses on coal-fired power plants integrated with the power-to-heat thermal energy storage system," Energy, Elsevier, vol. 284(C).
    11. Miguel J. Prieto & Juan Á. Martínez & Rogelio Peón & Lourdes Á. Barcia & Fernando Nuño, 2017. "On the Convenience of Using Simulation Models to Optimize the Control Strategy of Molten-Salt Heat Storage Systems in Solar Thermal Power Plants," Energies, MDPI, vol. 10(7), pages 1-17, July.
    12. Qi, Meng & Park, Jinwoo & Lee, Inkyu & Moon, Il, 2022. "Liquid air as an emerging energy vector towards carbon neutrality: A multi-scale systems perspective," Renewable and Sustainable Energy Reviews, Elsevier, vol. 159(C).
    13. Maria Taljegard & Lisa Göransson & Mikael Odenberger & Filip Johnsson, 2021. "To Represent Electric Vehicles in Electricity Systems Modelling—Aggregated Vehicle Representation vs. Individual Driving Profiles," Energies, MDPI, vol. 14(3), pages 1-25, January.
    14. Collins, Seán & Deane, J.P. & Ó Gallachóir, Brian, 2017. "Adding value to EU energy policy analysis using a multi-model approach with an EU-28 electricity dispatch model," Energy, Elsevier, vol. 130(C), pages 433-447.
    15. Zhengyue Zhu & Ruihao Bian & Yajun Deng & Bo Yu & Dongliang Sun, 2023. "Multi-Objective Optimization of Graded Thermal Storage System for Direct Steam Generation with Dish Concentrators," Energies, MDPI, vol. 16(5), pages 1-21, March.
    16. Yan Zhang & Quan Lyu & Yang Li & Na Zhang & Lijun Zheng & Haoyan Gong & Hui Sun, 2020. "Research on Down-Regulation Cost of Flexible Combined Heat Power Plants Participating in Real-Time Deep Down-Regulation Market," Energies, MDPI, vol. 13(4), pages 1-17, February.
    17. Duan, Zhengxiao & Zhang, Yanni & Deng, Jun & Shu, Pan & Yao, Di, 2023. "A systematic exploration of mapping knowledge domains for free radical research related to coal," Energy, Elsevier, vol. 282(C).
    18. Ameen, Muhammad Tahir & Ma, Zhiwei & Smallbone, Andrew & Norman, Rose & Roskilly, Anthony Paul, 2023. "Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency," Applied Energy, Elsevier, vol. 333(C).
    19. Vitale, F. & Rispoli, N. & Sorrentino, M. & Rosen, M.A. & Pianese, C., 2021. "On the use of dynamic programming for optimal energy management of grid-connected reversible solid oxide cell-based renewable microgrids," Energy, Elsevier, vol. 225(C).
    20. Zhao, Yongliang & Song, Jian & Liu, Ming & Zhao, Yao & Olympios, Andreas V. & Sapin, Paul & Yan, Junjie & Markides, Christos N., 2022. "Thermo-economic assessments of pumped-thermal electricity storage systems employing sensible heat storage materials," Renewable Energy, Elsevier, vol. 186(C), pages 431-456.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:energy:v:288:y:2024:i:c:s0360544223029511. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.