A fusion reactor solid-state water-cooled cladding tritium-producing multiplier-neutron multiplier

Abstract

The invention discloses a fusion reactor solid water cooled blanket tritium proliferating-neutron multiplying agent. A composite core-shell spherical structure is adopted, the core is a beryllium sphere, the shell is ceramic state lithium titanate, and the ceramic state lithium titanate wraps the beryllium sphere. In order to increase the filling factor, the tritium yield of the water cooled blanket is increased, and a two-component sphere bed form with an optimized diameter ratio is adopted. A water cooled blanket filled by the novel proliferating-multiplying agent can overcome the problem that beryllium taken as a neutron multiplying agent may contact with water in an accident, and hydrogen is generated; and thus the safety of the water cooled blanket is effectively improved. Furthermore, multiplied neutrons generated by the beryllium core of the proliferating-multiplying agent spheres must go through the proliferation layer that wraps the core during the releasing process, in a macroscopic view, the happening rate of reactions between neutrons and the proliferating agent is increased, and thus the total tritium yield of the blanket is increased.

Description

technical field [0001] The invention relates to the field of nuclear fusion engineering, in particular to a solid-state water-cooled cladding tritium-producing multiplier-neutron multiplier for a fusion reactor. Background technique [0002] Controllable thermonuclear fusion energy represents the future and hope of human energy. As one of the two ways to realize controllable thermonuclear fusion, the magnetic confinement fusion reactor (tokamak device) has been developed for more than half a century. Lay the foundation for the engineering goal of fusion energy power generation. [0003] The cladding is the key energy conversion component of the fusion device, and its main functions include: 1) tritium multiplication, which generates the tritium required for the fusion reaction in the core of the vacuum chamber, and realizes the tritium self-sustaining operation of the device; 2) energy conversion, converts the tritium obtained from the fusion reaction The energy of high-en...

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Problems solved by technology

However, at high temperature, Be can react with water to produce hydrogen, so under the condition of coolant loss accident, the water entering the breeding zone from the breach of coolant channel in the WCCB cladding may be mixed with Be 12 Ti reacts to generate hydrogen which increases accident risk

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