Subcritical blanket refuelling system and refuelling method thereof

Abstract

The invention discloses a subcritical blanket refuelling system and a refuelling method thereof and belongs to the technical field of equipment of fission-fusion hybrid reactors. The subcritical blanket refuelling system is characterized in that a vacuum shell is provided with 18 connecting plates; each connecting plate is composed of two symmetrical connecting plate modules which are connected by a bolt; a TF upper connecting plate is additionally arranged between the two connecting plate modules of one of the connecting plates, is positioned between two TF coils and is connected with the connecting plates at the two sides by bolts; the TF upper connecting plate is provided with a charging and discharging opening communicating the inner part with the outside. The subcritical blanket refuelling system and the refuelling method disclosed by the invention have the beneficial effects that the resistance of fluid in pipes is reduced, the flow of a single blanket module is increased, the heat exchange capability of a subcritical blanket of ITER fission-fusion hybrid reactors is improved; and the installation difficulty of the blanket module is reduced, which is beneficial to subsequent inspection, maintenance and replacement.

Description

technical field [0001] The invention relates to equipment technology of a fission-fusion hybrid reactor, in particular to an ITER-based fission-fusion hybrid reactor subcritical cladding refueling system and a refueling method thereof. Background technique [0002] ITER is a magnetic confinement fusion device in which deuterium-tritium reactions will continue to occur when the temperature and density of the plasma meet Lawson's criterion. In order to absorb the energy released by fusion and protect the vacuum shell and magnet, it is necessary to arrange a layer of cladding (Blanket) in the vacuum shell. The cladding is divided into two parts: a first wall facing the plasma and a shielding block behind it, where the first wall absorbs ions and electrons escaping from the magnetic field, and the shielding block absorbs neutrons. The energy of ions, electrons and neutrons is deposited in the cladding and carried out of the vacuum chamber by the cladding cooling system. [000...

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Problems solved by technology

[0005] The purpose of the present invention is to: aim at the above existing problems, to provide an ITER-based fission-fusion hybrid reactor critical cladding refueling system and its refueling method, to overcome the complexity of ITER small module manifolds, large flow resistance, and heat transfer problems. The efficiency is low, and the refueling efficiency of the small module refueling method is low, the refueling process is complicated, and it is difficult to replace the long strip energy module; the fluid resistance in the tube is reduced, the flow rate of a single cladding module is increased, and the energy efficiency is improved. The heat exchange capacity of the subcritical cladding of the ITER fission-fusion hybrid reactor; it reduces the difficulty of installing the cladding module and facilitates later inspection, maintenance and refueling

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