锰基金属氧化物高温化学储热装置的设计与数值模拟

被引：0

作者：

甘晟池 ^{[1
]}

祝培旺 ^{[1
]}

刘意强 ^{[1
]}

吕洪坤 ^{[2
]}

侯成龙 ^{[2
]}

来振亚 ^{[2
]}

罗仁令 ^{[1
]}

肖刚 ^{[1
]}

机构：

[1] 浙江省清洁能源与碳中和重点实验室(浙江大学)

[2] 国网浙江省电力有限公司电力科学研究院

来源：

中国电机工程学报 | 2025年 / 45卷 / 02期

关键词：

太阳能热利用; 化学储热; 储热装置; 金属氧化物; 数值模拟;

D O I：

暂无

中图分类号：

TH122 [机械设计]; TM615 [太阳能发电];

学科分类号：

0807 ;

摘要：

金属氧化物储热可与太阳能空气布雷顿发电系统结合，实现高质量发电和快速调峰调频。为满足空气布雷顿发电系统对储热装置的运行调节需求，构建了储热装置耦合流动换热和化学反应的数值计算模型，模拟与实验结果最大相对误差不超过6.2%。基于数值模型对一台锰基金属氧化物储热装置进行数值模拟，结果表明，储热装置等温线和等反应速率线均呈抛物线型，不同位置的温度曲线在还原和氧化反应温区分别出现“平台”区域，区域高度和长度受升降温速率影响。相较于纯显热储热部分，热化学储热装置的总储热容量提升了61.4%。研究结果可为太阳能空气布雷顿发电系统中金属氧化物储热装置设计和运行调控提供参考。

引用

页码：626 / 638

页数：13

共 29 条

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