一种热中子阱及设置有该热中子阱的同位素生产反应堆
By setting up a thermal neutron trap structure in the reactor core, neutron utilization and isotope production were improved, the problem of unstable production of medical isotopes was solved, transportation losses and production costs were reduced, and the deployment of nearby medical centers was realized.
CN116031009BActive Publication Date: 2026-07-17BEIJING NEUTRON DISCOVERY TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING NEUTRON DISCOVERY TECH CO LTD
- Filing Date
- 2022-12-23
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The low neutron utilization rate of existing reactors leads to unstable production of medical isotopes, making it impossible to deploy them near patients and medical centers, and there is decay loss during transportation.
Method used
A thermal neutron trap structure, including a thermal neutron reflector and a moderator, is set in the fuel array of the reactor core. The thermal neutron flux is increased by the reflector and moderator, forming an efficient isotope production environment.
Benefits of technology
It improved the neutron utilization rate in the reactor, increased isotope production, reduced production costs and transportation losses, and enabled the deployment of nearby medical centers.
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Figure CN116031009B_ABST
Abstract
本申请公开了一种热中子阱及设置有该热中子阱的同位素生产反应堆，该热中子阱结构设置在核反应堆的堆芯燃料阵列中，堆芯燃料阵列包括若干个燃料组件，将一个燃料组件自堆芯燃料阵列中抽出后形成一个中子辐照孔道，热中子阱结构适配安装在中子辐照孔道内；热中子阱结构包括设置在中子辐照孔道内壁上的热中子反射层，热中子反射层的内部形成慢化区，慢化区填充有慢化剂；设置在中子辐照孔道外围的燃料组件，以及设置在中子辐照孔道内的热中子反射层和慢化区共同形成热中子阱结构。本申请提供的热中子阱结构可用于医用同位素的生产，降低热中子逃逸损失，提高阱内热中子通量，提高医用同位素生产过程中反应堆内中子利用率。
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