Temperature distribution and heat loss experiments of low melting point molten salt heat storage tank

CUI Wujun; WU Yuting; XIONG Yaxuan; LIU Shanwei; MENG Qiang; MA Chongfang

doi:10.3969/j.issn.0438-1157.2014.z1.026

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Temperature distribution and heat loss experiments of low melting point molten salt heat storage tank

更新时间：2025-12-10

- Temperature distribution and heat loss experiments of low melting point molten salt heat storage tank
- CIESC Journal Issue S1, Pages: 162-167(2014)
- 作者机构：
  
  1. 北京工业大学传热强化与过程节能教育部重点实验室及传热与能源利用北京市重点实验室,北京,100124
  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
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.z1.026
  CLC： K513.5
- Online First：30 May 2014，
  
  Published：30 May 2014
- 稿件说明：
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CUI Wujun, WU Yuting, XIONG Yaxuan, et al. Temperature distribution and heat loss experiments of low melting point molten salt heat storage tank[J]. CIESC Journal, 2014, (S1): 162-167.
DOI：

CUI Wujun, WU Yuting, XIONG Yaxuan, et al. Temperature distribution and heat loss experiments of low melting point molten salt heat storage tank[J]. CIESC Journal, 2014, (S1): 162-167. DOI： 10.3969/j.issn.0438-1157.2014.z1.026.

摘要

为了研究熔盐蓄热罐内的温度分布变化与散热规律，采用课题组搭建的槽式聚光熔盐集热、传热与蓄热实验台中的熔盐罐作为实验装置，通过加热、内循环及冷却等实验，得到了罐体在各运行状态下的温度分布数据，并分析拟合得到了自然冷却降温阶段熔盐罐散热功率随时间和温度的变化曲线。实验结果表明：加热时，加热器下部熔融盐出现明显的温度分层现象。混合均匀后的冷却降温过程，熔融盐基本不出现温度分层现象。

Abstract

In order to study the temperature distribution and heat loss mechanism of molten salt heat storage tank

experiments of heating

internal cycle and natural cooling were conducted by using the molten salt storage tank in the solar trough heat collecting and transfer experimental system with low melting point molten salt developed by the laboratory. Molten salt temperature distributions in the heating and cooling process were obtained and the curves of heat loss with time and temperature were correlated. The results indicated that in heating process

obvious temperature stratification were observed in the molten salts tank below heater

but for natural cooling

no obvious temperature stratification were observed.

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Related Institution

Hebei Provincial Key Laboratory of Low-Carbon and High-efficiency Power Generation Technology, North China Electric Power University

College of Environmental and Energy Engineering, Beijing University of Technology, Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, Key Laboratory of Heat Transfer and Energy Conversion, Beijing Education Commission

Beijing Key Laboratory of Heating, Gas Supply, Ventilating and Air Conditioning Engineering, Beijing University of Civil Engineering and Architecture

Key Laboratory of Enhanced Heat Transfer and Energy Conservation of Ministry of Education, Beijing University of Technology

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