Magnetic confinement fusion reactor

A magnetic confinement fusion reactor, comprising:

• a Dewar system;
• a cold shield system;
• a superconducting magnet system;
• a vacuum chamber system;
• a divertor system;
• a blanket system;
• and
• a remote operation system;
• wherein the Dewar system, the cold shield system, the superconducting magnet system, the vacuum chamber system, the divertor system, the blanket system, and the remote operation system are provided in a host hall of the magnetic confinement fusion reactor, and together constitute a host of the magnetic confinement fusion reactor;
• the superconducting magnet system comprises a central solenoid magnet, a poloidal field magnet, and a toroidal field magnet;
• the central solenoid magnet is configured to provide necessary volt-seconds to generate, establish, and maintain a plasma current by current variations;
• the poloidal field magnet is configured to generate a poloidal magnetic field to control a cross-sectional shape and position equilibrium of a plasma;
• the toroidal field magnet is configured to generate a toroidal magnetic field to ensure macroscopic stability of the plasma;
• the toroidal magnetic field and a poloidal magnetic field generated by the plasma current are configured to confine the plasma;
• the Dewar system and the cold shield system are configured to provide a vacuum and cryogenic environment for the superconducting magnet system;
• the vacuum chamber system is configured to create a clean and vacuum environment for stable operation of the plasma, and reduce nuclear heating deposition on the superconducting magnet system and environmental contamination induced by fusion neutrons;
• the divertor system is configured to block impurities from a vessel wall, reducing contamination to the plasma in a central area, and discharge particle and heat flow from the plasma in the central area as well as helium ash generated during a fusion reaction;
• the divertor system and the blanket system are provided inside the vacuum chamber system;
• the remote operation system comprises at least one arm that is movable in and out of the vacuum chamber system;
• an energy carried by the fusion neutrons is configured to be deposited in the blanket system, then carried by a coolant to an exterior of the magnetic confinement fusion reactor;
• the fusion neutrons are configured to undergo a nuclear reaction with a tritium breeder to produce tritium for fusion fuel supplement;
• the toroidal field magnet comprises a superconducting coil, a coil box, a first terminal box, a circumferential support, a first gravity support and 16 sector-shaped superconducting magnets;
• wherein the 16 sector-shaped superconducting magnets are configured to generate the toroidal magnetic field to confine the plasma;
• the superconducting coil consists of a plurality of D-shaped coil windings;
• each of the plurality of D-shaped coil windings comprises a first winding and a second winding;
• wherein a magnetic field intensity of the first winding is lower than that of the second winding;
• the first winding consists of two six-pancake sub-windings formed by winding of an Nb3Sn conductor;
• the second winding consists of one twelve-pancake coil sub-winding formed by winding of the Nb3Sn conductor;
• and the first winding and the second winding are connected in series through a first superconducting joint;
• and
• the coil box is D-shaped, and comprises an inner U-shaped box component, an inner sealing cover plate, an outer U-shaped box component and an outer sealing cover plate;
• wherein a straight section of each of the inner U-shaped box component and the inner sealing cover plate is made of N50 stainless steel;
• and an arc section of each of the inner U-shaped box component, the inner sealing cover plate, the outer U-shaped box component, and the outer sealing cover plate is made of 316LN stainless steel.