添加纳米SiO2熔盐传热储热稳定性能研究

doi:10.3969/j.issn.2097-0706.2023.09.005

综合智慧能源 ›› 2023, Vol. 45 ›› Issue (9): 32-39.doi: 10.3969/j.issn.2097-0706.2023.09.005

添加纳米SiO₂熔盐传热储热稳定性能研究

孟强¹(), 杨洋²(), 熊亚选²()

1.中国人民解放军63933部队，北京 100091
2.北京建筑大学供热供燃气通风及空调工程北京市重点实验室，北京 100044

收稿日期:2023-05-17 修回日期:2023-07-01 出版日期:2023-07-25 发布日期:2023-07-25
作者简介:孟强（1989），男，工程师，硕士，从事暖通空调相关工作，15652352383@163.com；
杨洋（1997），男，在读硕士研究生，从事熔盐复合储热方面的研究，562532701@qq.com；
熊亚选（1977），男，教授，博士，从事高温熔盐储热方面的研究，xiongyaxuan@bucea.edu.cn。
基金资助:
国家自然科学基金项目(52006008)

Study on thermal stability of molten salt composites added with SiO₂ nanoparticles

MENG Qiang¹(), YANG Yang²(), XIONG Yaxuan²()

1. Troop 63933，People's Liberation Army，Beijing 100091，China
2. Beijing Key Lab of Heating，Gas Supply，Ventilating and Air Conditioning Engineering，Beijing University of Civil Engineering and Architecture，Beijing 100044，China

Received:2023-05-17 Revised:2023-07-01 Online:2023-07-25 Published:2023-07-25
Supported by:
National Natural Science Foundation of China(52006008)

摘要/Abstract

摘要：

纳米熔盐具有优异的传热储热性能，但作为储热传热工质，要经历无数次储热/放热循环过程，因此纳米熔盐储/放热循环的稳定性非常重要。采用高温熔融法制备了不同配比的纳米熔盐，并利用自行设计的储热材料储/放热性能测试实验台进行冷热循环稳定性试验，间隔取出被测样品，采用差示扫描量热法和激光闪射法对其熔点、潜热、热重、比热和热导率进行试验测试，得到了该纳米熔盐储热材料在储/放热循环过程中的热物理性质随循环次数和成分配比的关系。分析发现添加质量分数1.0%的SiO₂纳米熔盐熔点更低，可操作的温度范围更广，储热系统所需的经济成本更小；添加质量分数0.5% SiO₂的纳米熔盐比热容与其他配比的纳米熔盐相比性能更优。

关键词: 纳米熔盐, 储热性能, 热循环, 稳定性, 热重, 高温熔融法, 储能

Abstract:

Molten salt nanofluid shows excellent performance in heat transfer and storage， but its thermal stability in heat storage/release process is crucial since the material has to undergo numerous similar cycles once it is taken as heat transfer and storage medium. Molten salt composites with different formulations were prepared by high-temperature melting method，and their heat storage/release performance was tested on a self-designed test bench. The measured samples were taken at a same time interval， and their melting point， latent heat， thermogravimetry， specific heat and thermal conductivity were tested by differential scanning calorimetry and laser flash. The relationship of the thermophysical properties of the molten salt composites with their ingredients and the number of heat storage/release cycles were obtained. It is found that the composite added with 1.0% SiO₂ has a lower melting point， a wider temperature range for operation， and requires a lower investment in the thermal storage system， while the composite added with 0.5%SiO₂ has a better specific heat capacity than those of other composites with SiO₂of different ratios.

Key words: molten salt nanofluid, thermal energy storage performance, thermal cycling, stability, thermogravimetry, high-temperature melting, energy storage

中图分类号:

TK124：TB383.1

孟强, 杨洋, 熊亚选. 添加纳米SiO₂熔盐传热储热稳定性能研究[J]. 综合智慧能源, 2023, 45(9): 32-39.

MENG Qiang, YANG Yang, XIONG Yaxuan. Study on thermal stability of molten salt composites added with SiO₂ nanoparticles[J]. Integrated Intelligent Energy, 2023, 45(9): 32-39.

图/表 10

图1

图2

表1

图3

图4

图5

图6

表2

图7

图8

参考文献 15

[1]	SHIN D, BANERJEE D. Enhanced specific heat of silica nanofluid[J]. Journal of Heat Transfer, 2011, 133:216-226.
[2]	RATHOD M K, BANERJEE J. Thermal stability of phase change materials used in latent heat energy storage systems: A review[J]. Renewable and Sustainable Energy Reviews, 2013, 18:246-258. doi: 10.1016/j.rser.2012.10.022
[3]	LIU Y, YANG Y. Use of nano-α-Al₂O₃ to improve binary eutectic hydrated salt as phase change material[J]. Solar Energy Materials and Solar Cells, 2017, 160:18-25. doi: 10.1016/j.solmat.2016.09.050
[4]	熊亚选, 栗博, 吴玉庭, 等. 添加纳米 SiO₂对四元溴化盐相变热物性的影响[J]. 化工学报, 2017, 68(4):1299-1305. doi: 10.11949/j.issn.0438-1157.20161015
	XIONG Yaxuan, LI Bo, WU Yuting, et al. Improving phase change thermal properties of quaternary bromides by adding SiO₂ nanoparticle[J]. CIESC Journal, 2017, 68(4):1299-1305.
[5]	陈睿哲, 熊亚选, 张慧, 等. 储能供热熔盐换热器设计及运行特性分析[J]. 华电技术, 2020, 42(12):54-59.
	CHEN Ruizhe, XIONG Yaxuan, ZHANG Hui, et al. Design and dynamic performance analysis on a molten salt heat exchanger for energy storage and heating[J]. Huadian Technology, 2020, 42(12):54-59.
[6]	张晓盼, 鹿院卫, 于强, 等. 超声-微波法制备熔盐纳米复合材料试验研究[J]. 华电技术, 2020, 42(4):12-16.
	ZHANG Xiaopan, LU Yuanwei, YU Qiang, et al. Experimental study on preparation of a molten salt nanocomposite by ultrasonic dispersion and microwave method[J]. Huadian Technology, 2020, 42(4):12-16.
[7]	吴玉庭, 任楠, 马重芳. 熔融盐显热蓄热技术的研究与应用进展[J]. 储能科学与技术, 2013, 2(6):586-592.
	WU Yuting, REN Nan, MA Chongfang, et al. Research and application of molten salts for sensible heat storage[J]. Energy Storage Science and Technology, 2013, 2(6): 586-592.
[8]	邢有凯. 北京市“煤改电”工程对大气污染物和温室气体的协同减排效果核算[C]// 中国环境科学学会.2016中国环境科学学会学术年会论文集(第3卷), 2016:586-591.
[9]	王慧慧. 纳米硝酸盐的分散均匀性与稳定性研究[D]. 北京: 北京建筑大学, 2022.
	WANG Huihui. Investigation on dispersion uniformity and stability of nano nitrate[D]. Beijing: Beijing University of Civil Engineering and Architecture, 2022.
[10]	王振宇. 纳米材料强化熔盐传热储热性能与机理研究[D]. 北京: 北京建筑大学, 2019.
	WANG Zhenyu. Study on the enhancement mechanism of the heat transfer and the thermal energy storage performance of molten salts by nanoparticle dispersion[D]. Beijing: Beijing University of Civil Engineering and Architecture, 2019.
[11]	LIU M, SEVERINO J, BRUNO F, et al. Experimental investigation of specific heat capacity improvement of a binary nitrate salt by addition of nanoparticles/microparticles[J]. Journal of Energy Storage, 2019, 22:137-143. doi: 10.1016/j.est.2019.01.025
[12]	吴玉庭, 张璐迪, 马重芳, 等. 纳米SiO₂在低熔点熔盐中的分散对其比热容的影响[J]. 北京工业大学学报, 2016, 42(8):1259-1264.
	WU Yuting, ZHANG Ludi, MA Chongfang, et al. Effect of nanoparticles dispersion on enhancing the specific heat of the low melting point salt[J]. Journal of Beijing University of Technology, 2016, 42(8):1259-1264.
[13]	于强, 鹿院卫, 张晓盼, 等. 纳米粒子对熔盐复合蓄热材料热物性的影响[J]. 化工学报, 2019, 70(S1):217-225. doi: 10.11949/j.issn.0438-1157.20181516
	YU Qiang, LU Yuanwei, ZHANG Xiaopan, et al. Effect of nanoparticles on thermal properties of molten salt composite heat storage materials[J]. CIESC Journal, 2019, 70(S1):217-225.
[14]	张慧, 李锐, 熊亚选, 等. SiO₂纳米颗粒对二元硝酸盐表面张力的影响[J]. 化工新型材料, 2021, 49(1):157-161.
	ZHANG Hui, LI Rui, XIONG Yaxuan, et al. Influence of SiO₂ nanoparticale on surface tension og binary nitrate salt[J]. New Chemical Materials, 2021, 49(1):157-161.
[15]	TIZNOBAIK H, BANERJEE D, SHIN D. Effect of formation of "long range"secondary dendritic nanostructures in molten salt nanofluids on the values of specific heat capacity[J]. International Journal of Heat and Mass Transfer, 2015, 91:342-346. doi: 10.1016/j.ijheatmasstransfer.2015.05.072

样品	比热容/[J·(g·K)^-1]	冷热循环	参考文献
solar salt +3%SiO₂	1.73	无	[9]
solar salt +1%SiO₂	3.92	无	[11]
NaNO₃+KNO₃+0.5%SiO₂	6.30	150次	本文试验
	6.50	300次
	5.90	450次
	5.40	600次

添加纳米SiO₂熔盐传热储热稳定性能研究

Study on thermal stability of molten salt composites added with SiO₂ nanoparticles

RichHTML

PDF

可视化

摘要/Abstract

引用本文

使用本文

图/表 10

参考文献 15

相关文章 15

编辑推荐

Metrics

本文评价

样品	w（SiO₂）/%	颗粒粒径/nm
NaNO₃+KNO₃+SiO₂	0.3	20
NaNO₃+KNO₃+SiO₂	0.5	20
NaNO₃+KNO₃+SiO₂	0.7	20
NaNO₃+KNO₃+SiO₂	1.0	20

[1]	胡超, 彭文河, 方支剑. 基于光储充电站的电动汽车分层优化调度[J]. 综合智慧能源, 2023, 45(9): 11-17.
[2]	崔金栋, 汪羽晴. 云储能模式下用户侧储能协调优化调度机制研究[J]. 综合智慧能源, 2023, 45(9): 18-25.
[3]	万明忠, 王元媛, 李峻, 鹿院卫, 赵甜, 吴玉庭. 压缩空气储能技术研究进展及未来展望[J]. 综合智慧能源, 2023, 45(9): 26-31.
[4]	薛福, 马晓明, 游焰军. 储能技术类型及其应用发展综述[J]. 综合智慧能源, 2023, 45(9): 48-58.
[5]	乔力晖, 李明澈, 张睿, 方宗杰. 直流微网蓄电池-SMES混合储能系统容量配置方法[J]. 综合智慧能源, 2023, 45(9): 59-64.
[6]	栗庆根, 孙娜, 董海鹰. 基于改进鲸鱼优化算法的共享储能优化配置研究[J]. 综合智慧能源, 2023, 45(9): 65-76.
[7]	郁海彬, 高亦凌, 陆增洁, 董帅, 鲁林, 任逸之. 计及需求响应的风-火-储-碳捕集多源参与深度调峰市场的低碳经济调度[J]. 综合智慧能源, 2023, 45(8): 80-89.
[8]	曹紫霖, 王文静, 赵薇, 康利改, 高晓峰, 杨炀, 王金柱. 考虑需求响应的负荷密集区分布式综合能源系统优化调度研究[J]. 综合智慧能源, 2023, 45(7): 11-21.
[9]	李菁, 窦真兰, 王加祥, 张春雁, 鲁涛, 倪耀兵. 基于RSOC的风光氢能源系统功率分配策略研究[J]. 综合智慧能源, 2023, 45(7): 78-86.
[10]	窦真兰, 沈建忠, 张春雁, 江晶晶, 陈祺, 陈婧. 考虑供需不确定性的区域综合能源系统时间解耦分层能量管理[J]. 综合智慧能源, 2023, 45(6): 17-24.
[11]	韩朝兵, 汤冰, 尹瑞麟, 朱正香, 薛明华, 祝建飞, 艾春美, 孙立. 典型综合能源系统建模及特性仿真研究[J]. 综合智慧能源, 2023, 45(6): 49-58.
[12]	刘健, 刘雨鑫, 庄涵羽. 虚拟电厂关键技术及其建设实践[J]. 综合智慧能源, 2023, 45(6): 59-65.
[13]	刘子祺, 苏婷婷, 何佳阳, 王裕. 基于多目标粒子群算法的配电网储能优化配置研究[J]. 综合智慧能源, 2023, 45(6): 9-16.
[14]	周舒心, 范怀林, 胡勋. 生物质基碳材料制备及其在超级电容器电极材料中的应用[J]. 综合智慧能源, 2023, 45(5): 1-12.
[15]	杨伟, 吕雷达, 彭诗阳, 李威, 蔡红春, 韩勇, 朱有健, 杨海平, 赵海. 酸洗和磷酸浸渍对浮萍热解特性的影响研究[J]. 综合智慧能源, 2023, 45(5): 39-45.