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大尺寸NaI(Tl)生长结晶炉设计

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NaI(Tl)闪烁体因具有探测效率高、时间特性好、受温度影响小等特点而被广泛使用。为满足高探测效率的核辐射探测器需求,需要大尺寸、高能量分辨率的NaI(Tl)闪烁体。依据NaI(Tl)晶体的生长特点,本文对大尺寸NaI(Tl)生长结晶炉的主炉体、温场系统、坩埚、加热电源等部件进行研究及设计,配合大尺寸NaI(Tl)生长结晶炉控制系统,采用创新的熔生法生长出直径超300 mm的NaI(Tl)闪烁体,为后续国内生长大尺寸NaI(Tl)晶体提供了方向与解决方案。
Design of Large Size NaI(Tl)Growth Crystallization Furnace
NaI(Tl)scintillators are widely used because of their characteristics of high detection efficiency,good temporal characteristics,and minimal temperature influence.In order to meet the needs of nuclear radiation detectors with high detection efficiency,large size and high energy resolution NaI(Tl)scintillators are required.Based on the growth characteristics of NaI(Tl)crystals,the main furnace body,temperature field system,crucible,heating power supply and other components of the large size NaI(Tl)growth crystallization furnace were studied and designed.In conjunction with the control system of the large size NaI(Tl)growth crystallization furnace,innovative fusion method was used to grow NaI(Tl)scintillator materials with a diameter exceeding 300 mm,which provides direction and solutions for the subsequent growth of large size NaI(Tl)crystals in China.

NaI(Tl)large sizecrystallization furnacefurnace designcontrolled design

闫平、李永、何高魁、王强、王国宝、郑玉来

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中国原子能科学研究院核技术综合研究所,北京 102413

NaI(Tl) 大尺寸 结晶炉 炉体设计 控制设计

核能开发科研项目

BA212312000504

2024

人工晶体学报
中材人工晶体研究院

人工晶体学报

CSTPCD北大核心
影响因子:0.554
ISSN:1000-985X
年,卷(期):2024.53(2)
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