一种小型化液态锂铅氢同位素注入与提取实验回路

By modularly designing a miniaturized liquid lithium-lead hydrogen isotope injection and extraction experimental circuit, the problem of insufficient hydrogen isotope injection and concentration control in existing technologies has been solved. This enables efficient experimental condition setup and rapid verification of various tritium extraction techniques, reducing both cost and time.

CN122177517BActive Publication Date: 2026-07-17HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES
Filing Date
2026-05-13
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing experimental loop for liquid lithium-lead hydrogen isotope injection and extraction is insufficient in terms of precise hydrogen isotope injection and concentration control, and its rigid structure lacks operational flexibility, making it difficult to simulate the real working conditions of fusion reactors and meet the testing requirements of multiple working conditions and multiple types of extraction components.

Method used

A miniaturized experimental circuit for liquid lithium-lead hydrogen isotope injection and extraction was designed. It adopts a modular design, including a liquid lithium-lead circuit and a gas circuit. It is connected to lithium-lead storage tank, electromagnetic pump, hydrogen isotope injection device, test section and other equipment through high temperature and corrosion resistant sealed pipeline. It can achieve stable high temperature flow state and controllable hydrogen isotope concentration, and support rapid verification of various tritium extraction technology routes.

Benefits of technology

The experimental circuit features a compact design, reducing construction costs and lithium/lead consumption, shortening the experimental cycle, improving parameter scanning efficiency, and supporting rapid replacement and verification of various tritium extraction techniques.

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Abstract

本发明公开一种小型化液态锂铅氢同位素注入与提取实验回路,属于核聚变反应堆包层实验技术领域,包含液态锂铅回路和气路两大模块。液态锂铅回路以密封管路串联锂铅储罐;气路包含氢气与氩气气瓶、真空泵及减压阀,实现氢同位素定量注入与回路吹扫加压。试验段可更换基于真空渗透窗、气液接触器、真空筛板等三种主流技术路线的提取部件,两个氢同位素传感器监测液态锂铅中的氢浓度,并可根据差值计算提取率。流量计适配流速优化工艺,全回路配套伴热与液位监测,可有效防止锂铅凝固。本发明结构紧凑、工况稳定、适配性强,可为聚变堆先进包层提氚技术验证及参数优化提供可靠实验平台。
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