碳峰值和碳中和目标下中国燃煤锅炉灵活调峰发展综述

IF 5.1 3区工程技术 Q2 ENERGY & FUELS

Thermal Science and Engineering Progress Pub Date : 2024-10-01 DOI:10.1016/j.tsep.2024.103004

Jiaye Xu, Qichao Zhang, Nina Ye, Zhongxiao Zhang, Xiaojiang Wu, Haojie Fan

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引用次数: 0

摘要

在中国不断发展的能源格局中，燃煤机组的灵活调峰能力直接影响到可再生能源的发展轨迹，进而影响到碳调峰和碳中和目标的实现。本文阐述了灵活调峰的概念。介绍了中国灵活调峰的发展现状，总结了锅炉灵活调峰面临的挑战。阐述了热流体动力系统优化、外部储能系统配置和控制系统优化三项技术的起源、原理、功效、优势和局限性。对正在进行的研究进行了总结，并重点介绍了中国的领先团队。本综述介绍了在中国开展的五个示范项目，并解释了政策支持和补偿机制。研究发现，深度调峰与快速调峰相结合可实现灵活调峰。中国燃煤锅炉的快速削峰能力不足，首要挑战是缺乏能源供应能力。对于快速调峰，鲁思蒸汽储能、熔盐热储能等外部储能系统配置技术较为合适。为提高燃煤机组快速调峰的积极性，我国应实行国家补偿机制。

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A review on flexible peak shaving development of coal-fired boilers in China under the carbon peak and carbon neutrality goals

The flexible peak shaving capacity of coal-fired power units has a direct impact on the trajectory of renewable energy in China’s evolving energy landscape, and therefore, the achievement of carbon peak and carbon neutrality goals. In this paper, the concept of flexible peak shaving is delineated. The developmental status of flexible peak shaving in China is introduced, and the challenges of flexible boiler peak shaving are summarised. The genesis, principles, efficacy, advantages, and limitations of three technologies, namely, thermo-hydrodynamic system optimisation, external energy storage system configuration, and control system optimisation, are elaborated. Ongoing research is summarised, and the leading teams in China are highlighted. This review describes five demonstration projects undertaken in China and explains policy support and compensation mechanisms. It is found that flexible peak shaving can be achieved by combining deep and fast peak shaving. The fast peak shaving capacity of China’s coal-fired boilers is insufficient, and the primary challenge is the lack of energy supply capacity. For fast peak shaving, external energy storage system configuration techniques such as Ruths steam storage and molten salt thermal energy storage are more appropriate. To improve the enthusiasm for fast peak shaving of coal-fired power units, a national compensation mechanism should be implemented in China.

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来源期刊

Thermal Science and Engineering Progress Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

7.20

自引率

10.40%

发文量

327

审稿时长

41 days

期刊介绍： Thermal Science and Engineering Progress (TSEP) publishes original, high-quality research articles that span activities ranging from fundamental scientific research and discussion of the more controversial thermodynamic theories, to developments in thermal engineering that are in many instances examples of the way scientists and engineers are addressing the challenges facing a growing population – smart cities and global warming – maximising thermodynamic efficiencies and minimising all heat losses. It is intended that these will be of current relevance and interest to industry, academia and other practitioners. It is evident that many specialised journals in thermal and, to some extent, in fluid disciplines tend to focus on topics that can be classified as fundamental in nature, or are ‘applied’ and near-market. Thermal Science and Engineering Progress will bridge the gap between these two areas, allowing authors to make an easy choice, should they or a journal editor feel that their papers are ‘out of scope’ when considering other journals. The range of topics covered by Thermal Science and Engineering Progress addresses the rapid rate of development being made in thermal transfer processes as they affect traditional fields, and important growth in the topical research areas of aerospace, thermal biological and medical systems, electronics and nano-technologies, renewable energy systems, food production (including agriculture), and the need to minimise man-made thermal impacts on climate change. Review articles on appropriate topics for TSEP are encouraged, although until TSEP is fully established, these will be limited in number. Before submitting such articles, please contact one of the Editors, or a member of the Editorial Advisory Board with an outline of your proposal and your expertise in the area of your review.