小型NaK热真空电磁泵热控措施影响分析

陈硕, 刘丰, 毕可明, 王建军, 刘天才

陈硕, 刘丰, 毕可明, 王建军, 刘天才. 小型NaK热真空电磁泵热控措施影响分析[J]. 原子能科学技术, 2020, 54(8): 1525-1531. DOI: 10.7538/yzk.2020.youxian.0118
引用本文: 陈硕, 刘丰, 毕可明, 王建军, 刘天才. 小型NaK热真空电磁泵热控措施影响分析[J]. 原子能科学技术, 2020, 54(8): 1525-1531. DOI: 10.7538/yzk.2020.youxian.0118
CHEN Shuo, LIU Feng, BI Keming, WANG Jianjun, LIU Tiancai. Thermal Control Measure Analysis-on Small NaK Thermal Vacuum Electromagnetic Pump[J]. Atomic Energy Science and Technology, 2020, 54(8): 1525-1531. DOI: 10.7538/yzk.2020.youxian.0118
Citation: CHEN Shuo, LIU Feng, BI Keming, WANG Jianjun, LIU Tiancai. Thermal Control Measure Analysis-on Small NaK Thermal Vacuum Electromagnetic Pump[J]. Atomic Energy Science and Technology, 2020, 54(8): 1525-1531. DOI: 10.7538/yzk.2020.youxian.0118

小型NaK热真空电磁泵热控措施影响分析

Thermal Control Measure Analysis-on Small NaK Thermal Vacuum Electromagnetic Pump

  • 摘要: 热真空电磁泵是一种在热真空环境条件下使用的高温电磁泵,换热途径的缺失使得设备整体温度很高,高温会使结构和功能材料的性能剧烈下降。本文采用数值计算方法对中国原子能科学研究院研制的小型NaK热真空电磁泵内构件温度分布进行了计算。结果表明:在泵沟外壁采用真空隔热屏、气密腔室内外壁喷涂黑体涂层的热控措施行之有效,降低了设备内构件尤其是励磁线圈的温度,提高了设备的使用寿命。

     

    Abstract: Thermal vacuum electromagnetic pump is a kind of electromagnetic pump used in the vacuum and high temperature environment, and the lack of heat transfer leads to high temperature of the equipment, which will make the performance of the structure and functional materials decreased dramatically. In this paper, numerical calculation was used to calculate component temperature distribution of small NaK thermal vacuum electromagnetic pump researched by the China Institute of Atomic Energy. The results show that the thermal control measures of vacuum insulation layer applied on pump channel wall and spray black coating on the shell are effective, which can reduce the temperature of the components in the equipment, especially the excitation coil, and improve the service life of the equipment.

     

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  • 刊出日期:  2020-08-19

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