Dual-cold-loop divertor structure suitable for future Tokamak fusion reactor

A tokamak and cold loop technology, applied in the field of divertors of tokamak fusion reactors, can solve problems such as damage of chromium-zirconium-copper cooling tubes, thermal and mechanical performance degradation of copper and copper alloys, and equipment downtime maintenance, etc. The number of maintenance, rapid cooling, the effect of reducing the pressure drop along the way

Active Publication Date: 2017-12-22
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

However, a large number of neutrons will be produced in the fusion reaction. Under the environment of neutron irradiation, the copper element will show high activity, and the thermal and mechanical properties of copper and copper

Method used

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  • Dual-cold-loop divertor structure suitable for future Tokamak fusion reactor
  • Dual-cold-loop divertor structure suitable for future Tokamak fusion reactor
  • Dual-cold-loop divertor structure suitable for future Tokamak fusion reactor

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Embodiment Construction

[0022] See attached picture.

[0023] A dual-cold circuit divertor structure suitable for future Tokamak fusion reactors is characterized in that: the divertor structure is composed of an inner baffle 1, an inner striking plate 2, an inner return plate 3, an arch top plate 4, and an outer Return plate 5, outer striking plate 6, outer baffle 7, transition support one 8, transition support two 14, transition support three 15, transition support four 17, transition support five 18, transition support six 19, transition support seven 21, The box body support 12, the cooling pipe 9 and the related fixing plate 22, the connecting plate 21 and the connecting piece pin, etc.; The arch area is composed of the inner return plate, the transition support five, the dome plate, the transition support four, the outer return Composed of flow plate, transition support three and intermediate support.

[0024] The inner striking plate 2 and the outer striking plate 6 are made up of a tungsten block ...

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Abstract

The invention discloses a dual-cold-loop divertor structure suitable for a future Tokamak fusion reactor. The dual-cold-loop divertor structure comprises a box body support, wherein the inner side of the box body support is provided with an inner baffle plate, an inner striking plate, an inner backflow plate, a dome plate, an outer backflow plate, an outer striking plate and an outer baffle plate which are pipe penetrating structures and are matched with the inner side contour of the box body support in an erected manner by means of transition supports; a flow collecting cavity correspondingly communicated with one transition support is formed in the transition support; four cooling pipes are arranged in the box body support, and are respectively two water inlet pipes and two water outlet pipes; and a dual cold loop is formed by a parallel loop of the inner and outer striking plates and a parallel loop of the inner and outer baffle plates and a dome plate region. The dual-cold-loop divertor structure realizes rapid cooling of the divertor structure, improves the cooling efficiency, reduces the pressure drop along the course of a coolant in the flowing process, prolongs the service life of a first wall of the divertor, reduces the maintenance times of the divertor, and has the advantages of saving time, saving money, being stable, safe, efficient, reliable and the like.

Description

Technical field: [0001] The invention relates to the technical field of a divertor of a Tokamak fusion reactor, and mainly relates to a dual-cooling loop divertor structure suitable for a future Tokamak fusion reactor. Background technique: [0002] Magnetically confined nuclear fusion energy is considered to be the most likely way to solve the human energy crisis in the future. The tokamak nuclear fusion device is one of the most effective methods for studying magnetically confined nuclear fusion energy. As the core component of the Tokamak nuclear fusion device, the divertor has its primary function to discharge the heat energy and particle flow from the central plasma in time. At present, the most mature structure that composes the first wall of the divertor facing the plasma unit is the ITER tungsten / copper through-tube structure of the International Thermonuclear Experimental Reactor. It is composed of a tungsten block (facing plasma material) and a copper tube (intermediat...

Claims

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Application Information

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IPC IPC(8): G21B1/05G21B1/13
CPCG21B1/057G21B1/13Y02E30/10
Inventor 卯鑫彭学兵陆坤宋云涛覃世军张建武刘鹏钱新元刘萍
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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