通气管通电内加热钙基热化学储热直接式固定床仿真研究

李玥; 姜磊; 闫君; 张叶龙; ALI Muddassir; ALI Muzaffar

doi:10.19799/j.cnki.2095-4239.2025.1029

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通气管通电内加热钙基热化学储热直接式固定床仿真研究

储热储冷多场景应用专刊 | 更新时间：2026-07-01

- 通气管通电内加热钙基热化学储热直接式固定床仿真研究
- Simulation research on direct-fixed bed of calcium-based thermochemical heat storage with electrically heated ventilation tube
- 储能科学与技术 2026年15卷第3期页码：859-871
- 作者机构：
  
  1.上海交通大学中英国际低碳学院，上海 201100
  2.上海交通大学工程热物理研究所，上海 200240
  3.江苏双良锅炉有限公司，江苏无锡 214400
  4.塔克西拉工程技术大学能源工程系，巴基斯坦塔克西拉 47050
- 作者简介：
  
  李玥（2001—），男，硕士研究生，研究方向为热化学储热，E-mail：445931980@sjtu.edu.cn；
  闫君，博士，副教授，研究方向为热化学储热，E-mail：miraclebwh@sjtu.edu.cn
  张叶龙，博士，高级工程师，研究方向为储热材料及系统，E-mail：zyl1988219@163.com。
- 基金信息：
  
  上海市2023年度“科技创新行动计划”自然科学基金面上项目(23ZR1434500);上海市2023年度“科技创新行动计划”科技支撑碳达峰碳中和项目(23DZ1200901);江苏省前沿技术研发计划(BF2024016)
- DOI：10.19799/j.cnki.2095-4239.2025.1029
  中图分类号： TB 332;TK 02;TK 513
- 收稿：2025-11-13，
  
  修回：2025-11-28，
  
  纸质出版：2026-03-28
- 稿件说明：
移动端阅览
李玥, 姜磊, 闫君, 等. 通气管通电内加热钙基热化学储热直接式固定床仿真研究[J]. 储能科学与技术, 2026, 15(3): 859-871.

LI Yue, JIANG Lei, YAN Jun, et al. Simulation research on direct-fixed bed of calcium-based thermochemical heat storage with electrically heated ventilation tube[J]. Energy Storage Science and Technology, 2026, 15(3): 859-871.
李玥, 姜磊, 闫君, 等. 通气管通电内加热钙基热化学储热直接式固定床仿真研究[J]. 储能科学与技术, 2026, 15(3): 859-871. DOI： 10.19799/j.cnki.2095-4239.2025.1029.

LI Yue, JIANG Lei, YAN Jun, et al. Simulation research on direct-fixed bed of calcium-based thermochemical heat storage with electrically heated ventilation tube[J]. Energy Storage Science and Technology, 2026, 15(3): 859-871. DOI： 10.19799/j.cnki.2095-4239.2025.1029.

摘要

随着能源供给结构的持续优化，储能技术逐渐成为研究热点。直接式固定床反应器作为一种重要的热化学储热装置，因其结构特性存在能量输入效率低、储热效率受传质能力限制等问题，影响其工业化应用。为解决这些问题，设计了一种新型热化学储热直接式固定床。该装置将通气管道同时作为电加热元件进行内加热，提高了能量输入效率；通过多流道设计，有效提高传质性能。为评估装置储热效果，采用了三维数值模拟方法，研究气-固化学反应、多孔介质内的传热传质与流体流动等物理场分布规律，并分析了压力、孔隙率、加热功率等参数对储热过程的影响。结果表明，反应床具有高度对称性，且反应床内存在明显的温度梯度；水蒸气分压、孔隙率、放热功率都会从不同角度影响反应进度与平衡。本研究揭示了钙基热化学储热固定床内部多物理场耦合机理，阐明了不同工况相互作用效果，为固定床反应器设计提供理论依据。

Abstract

With the continuous optimization of the energy supply structure

energy storage technologies have become a major research focus. Direct fixed-bed reactors

as key thermochemical energy storage devices

face challenges such as low energy input efficiency and limited heat storage efficiency due to mass transfer constraints

which hinder their industrial application. To address these issues

a novel thermochemical energy storage direct fixed-bed reactor was designed. This device integrates the ventilation pipeline as an electric heating element for internal heating

thereby improving energy input efficiency

while a multi-channel design enhances mass transfer performance. The heat storage performance of the reactor was evaluated using three-dimensional numerical simulations to investigate the distribution of gas-solid chemical reactions

heat transfer

mass transfer

and fluid flow within the porous medium. The effects of operational parameters

including pressure

porosity

and heating power

on the heat storage process were also analyzed. Results indicate that the reactor bed exhibits high symmetry with a pronounced temperature gradient. Factors such as vapor pressure

porosity

and heat release power significantly influence reaction progress and equilibrium from different perspectives. This study elucidates the coupling mechanisms of multiple physical fields within a calcium-based thermochemical energy storage fixed bed

clarifies the interaction effects of various operational conditions

and provides a theoretical foundation for the design of fixed-bed reactors.

关键词

Keywords

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