The invention provides an internal part cooling power generation system for a future tokamak fusion reactor. The system comprises a divertor cooling circuit, a cladding cooling circuit and a main cooling circuit. The system is characterized in that the divertor cooling circuit comprises a first heat exchanger, a pump and a divertor; a coolant is inflated by the pump from one side of the first heat exchanger, flows into the divertor, and flows back to the first heat exchanger from the other side of the divertor; the cladding cooling circuit comprises a first main circuit, a first auxiliary circuit and a supplemental coolant circuit; and the main cooling circuit comprises a second main circuit and a second auxiliary circuit. According to the invention, on the premise that a tokamak device can continuously stably operate, cooling and power generation are integrated, and the system has the advantages of stability, safety, reliability and high efficiency.

Internal part cooling power generation system for future tokamak fusion reactor

The invention discloses a Z-pinch driven fusion-fission hybrid energy reactor The Z-pinch driven fusion-fission hybrid energy reactor comprises a Z-pinch inertial confinement fusion reactor core, a subcritical fission cladding and energy output system, and a tritium production cladding and deuterium-tritium circulation system The fusion reactor core comprises a fusion load, fusion targets, a fusion driver and a fusion target chamber supporting continuous operation of fusion The subcritical fission cladding and energy output system comprises a subcritical cladding, a cooling loop, a steam generator and a voltage stabilizer The tritium production cladding and deuterium-tritium circulation system comprises a tritium production cladding, a reactor core residual tritium recovery system and an out-of-reactor tritium factory According to the Z-pinch driven fusion-fission hybrid energy reactor, the inertial confinement fusion reactor core scheme based on the integrated ignition technology is high in realizability and reliable in performance, depleted uranium and thorium can be fully utilized, and therefore the fission resource utilization efficiency is improved; the whole fusion-fission hybrid energy reactor is reasonable and balanced in design, the subcritical cladding is driven through the Z-pinch fusion reactor core, and long-term sufficient clean electrical energy can be provided

Z-pinch driven fusion-fission hybrid energy reactor

The invention discloses a cladding system of a fusion-fission reactor The cladding system comprises a plurality of cladding modules, wherein the cladding modules are spliced and cover a fusion target chamber, to form the 360-degree cladding system; a target change mechanism mounting opening is formed in the top of the cladding system; a reactor core residual tritium recycling opening is formed in the bottom of the cladding system; each cladding module comprises a plurality of connected tritium producing modules, a plurality of connected fuel modules and a supporting device; the supporting devices are provided with inwards sunken parts facing to the center of the fusion target chamber; the inner surfaces of the inwards sunken parts are covered with the tritium producing modules and the fuel modules; the tritium producing modules are arranged on the outer layers of the fuel modules The cladding system of the fusion-fission reactor aims to provide a modularly structured cladding system of the fusion-fission reactor

Cladding system of fusion-fission reactor

FIELD: nuclear engineering.SUBSTANCE: invention relates to the field of thermonuclear technology, in particular to blankets of hybrid thermonuclear reactors. Blanket module of a hybrid thermonuclear reactor with a liquid-metal coolant contains fuel assemblies with fuel elements. Fuel of the fuel elements is made of minor actinide oxide. Fuel assemblies are of rectangular cross-section.EFFECT: increase in the multiplying properties of the nuclear zone of the blanket module of a thermonuclear reactor.1 cl, 3 dwg

Module of hybrid thermonuclear reactor blanket

The invention discloses a subcritical energy cladding accident mitigation system. The subcritical energy cladding accident mitigation system comprises a passive water injection system and at least one group of passive cooling systems, wherein the passive water injection system is arranged in a containment shell and is used for injecting water into a subcritical energy cladding arranged in the containment shell, so that heat of the subcritical energy cladding is conducted into the containment shell; the passive cooling system penetrates through the containment shell in a sealing manner, so as to conduct the heat in the containment shell out of the containment shell; the passive water injection system can automatically conduct the heat of the subcritical energy cladding into the containment shell, cooling mediums are circulated in the passive cooling system, so as to conduct the heat in the containment shell into atmospheric environment; heat can be conducted passively from a hybrid reactor core to the containment shell and from the inside of the containment shell to the outside of the containment shell under an accident, all waste heat of the subcritical energy cladding during running can be completely covered and exhausted, serious accidents such as hybrid reactor core melting, high-pressure molten reactor, and hydrogen gas explosion can be effectively prevented, and the integrity of the subcritical energy cladding is ensured.

Subcritical energy cladding accident mitigation system

The invention belongs to the technology of nuclear power design, and particularly relates to design of an advanced fusion-fission subcritical energy reactor core tritium-production blanket. The advanced fusion-fission subcritical energy reactor core tritium-production blanket structurally comprises multiple layers of tritium-production materials, moderator water is arranged between every two adjacent layers of tritium-production materials, zirconium partition boards are arranged between the tritium-production materials and the moderator water, and a zirconium casing is arranged outside the tritium-production blanket. According to the advanced fusion-fission subcritical energy reactor core tritium-production blanket, the tritium-production materials and the moderator water are arranged at intervals and are separated through zirconium layers with certain thicknesses; interval arrangement is optimized so that the tritium breeding ratio can be as large as possible, and the tritium-production blanket can meet the design requirement for the tritium breeding ratio of a subcritical energy reactor core.

Advanced fusion-fission subcritical energy reactor core tritium-production blanket

The invention belongs to a nuclear power design technique, and particularly relates to a loading scheme of an advanced fusion-fission subcritical energy reactor core The reactor core structure comprises a plurality of fuel assembly modules which are arranged in a hoop along an annular plasma fusion area, wherein each fuel assembly module comprises a plurality of fuel assemblies arranged in a polar direction of the plasma fusion area; a first heat-resistant and radiation-resistant wall is arranged at one side of each fuel assembly towards the plasma fusion area; a tritium-producing coating is arranged at the other side of each fuel assembly opposite to each first wall; an outer shielding layer is arranged outside each tritium-producing coating By adopting the advanced fusion-fission subcritical energy reactor core, the design requirements of the energy magnification factor and the tritium breeding ratio can be simultaneously met; the continuous growth of the magnification factor and the tritium breeding ratio can be maintained within a long period of time; the breeding performance of the reactor core is good

Advanced fusion-fission subcritical energy reactor core

The invention belongs to the design technique of nuclear power and particularly relates to an advanced fusion-fission subcritical energy source reactor core fuel assembly The fuel assembly comprises multiple layers of structures sequentially arranged along the thickness direction, wherein each layer of structure comprises a plurality of grid units, the grid units are arranged along the height direction and are provided with uranium-zirconium alloy fuels, a cooling tube horizontally penetrates through the uranium-zirconium alloy fuels of each grid unit, the extending direction of the cooling tube is vertical to the thickness direction of the fuel assembly, and flowable cooling agents are filled in the cooling tubes According to the advanced fusion-fission subcritical energy source reactor core fuel assembly, the natural uranium and zirconium alloys are taken as fission fuels, the cooling tubes are arranged in the fuels in a regular triangle manner, and the cooling of the fuels can be guaranteed due to the arrangement manner of the cooling tubes The fuel assembly has the advantages that the uranium-water volume ratio is proper, and a reactor core can have an enough energy amplification factor

Liu Guoming

Papers

Advanced fusion-fission subcritical energy reactor core tritium-production blanket

Advanced fusion-fission subcritical energy reactor core

Advanced fusion-fission subcritical energy source reactor core fuel assembly