Magnetic inertia fusion device and method for accelerating compression field antiform plasma

By generating field-reversed plasma using a linear device, and combining pre-compression with a metal conical tube and electromagnetic pulse compression, the problems of plasma stability and density control in FRC fusion devices have been solved, achieving a highly efficient fusion reaction suitable for commercial applications.

CN122337699APending Publication Date: 2026-07-03邓必河
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Patent Information

Application Number
CN202610481542.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-13
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing FRC fusion devices suffer from poor plasma stability, low density, inability to effectively control temperature and density ratios, low heating efficiency, and lack of an integrated linear fusion structure, resulting in high costs, long development cycles, and difficulty in achieving repeatable high-frequency operation.

Method used

A linear device is used to form a field-reverse plasma. Through axial acceleration, metal conical tube pre-compression, collision fusion and electromagnetic pulse compression, combined with an integrated linear structure design, the stability and efficient heating of the plasma are achieved, reaching a medium density and high temperature state, triggering a stable fusion reaction.

Benefits of technology

This has resulted in a compact, reusable fusion device that reduces construction costs and development cycles, improves plasma stability and heating efficiency, and is suitable for commercial applications.

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Abstract

The invention is suitable for the technical field of controllable nuclear fusion, and provides a magnetic inertial fusion device and method for accelerating compression field antiform plasma. The device sequentially comprises a divertor cavity, a field inversion plasma forming section, a linear acceleration section, a conical pipe pre-compression section and a collision fusion and magnetic compression area from the two ends to the middle in the axial direction. FRC plasmas are formed through the forming section, the axial speed is increased through the accelerating section, pre-compression is achieved through the conical pipe pre-compression section, the stability is improved, after the plasmas at the two ends collide and are fused in the middle area, the plasmas are subjected to electromagnetic pulse magnetic compression to reach the medium density (-10 m) and the fusion high temperature, and the fusion reaction is triggered. The process can be repeatedly operated, the stability of the fusion plasma can be effectively controlled in the whole process, the efficiency of heating the plasma by pulse power is high, and the temperature and density of the plasma can simultaneously meet the required fusion conditions through control; and a preferable scheme is provided for commercialization of fusion energy.
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