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Flat plate type target plate for ultrahigh thermal load component of fusion device and processing method of flat plate type target plate

An ultra-high heat, flat-plate technology, used in fusion reactors, thermonuclear fusion reactors, nuclear engineering, etc., can solve problems such as rupture or quenching, insufficient heat transfer capacity, and experiment termination, to ensure heat transfer capacity and avoid functions. Failure, the effect of improving the thermal load capacity

Pending Publication Date: 2022-04-19
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to insufficient heat transfer capacity, the tungsten sheet has a great risk of falling off when subjected to high heat load. After falling off, the copper heat sink will be directly exposed to the plasma, which will cause the plasma impurity level to rise rapidly and cause rupture Or quenching, so that the experiment is terminated, causing huge economic losses

Method used

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  • Flat plate type target plate for ultrahigh thermal load component of fusion device and processing method of flat plate type target plate
  • Flat plate type target plate for ultrahigh thermal load component of fusion device and processing method of flat plate type target plate
  • Flat plate type target plate for ultrahigh thermal load component of fusion device and processing method of flat plate type target plate

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Embodiment 1

[0033] Such as Figure 1-Figure 3 The shown invention relates to a flat plate target plate for ultra-high thermal load components of a fusion device, including a heat sink 1 and several tungsten copper sheets 2 installed above the heat sink 1 . The number of tungsten copper sheets 2 can be set as required. The first connection part 3 is provided on the heat sink 1, and the second connection part 4 is provided on the tungsten copper sheet 2, and the first connection part 3 and the second connection part 4 are snap-fitted. The heat sink 1 is made of a single material or a composite material, and contains a cooling channel 5 inside, and its main function is to exchange and take away the heat deposited on the components. The tungsten-copper sheet 2 is a composite component composed of tungsten-based materials and copper-based materials through diffusion welding and other methods. Its main function is to withstand the ultra-high thermal load in the fusion test and transfer heat to...

Embodiment 2

[0048] Such as Figure 4-Figure 6 In the illustrated flat plate target plate used for the ultra-high thermal load parts of the fusion device, in this embodiment, the first connecting part is a groove, and the second connecting part is a boss. The longitudinal sections of the connecting part 1 and the connecting part 2 are truncated isosceles triangles. Others are the same as embodiment one.

[0049] The flat plate structure has a higher upper limit of heat load, and it exists in the fusion experimental device as a strike point component, and the main risk of the flat plate component is the shedding of the tungsten copper sheet, which is the reason why the flat plate structure has not been widely used in the world so far , the present invention finds in the test of the flat plate that the tungsten-copper sheet still falls off even after the flow channel is improved. The present invention designs a connection structure with bosses and grooves through improved technology and st...

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Abstract

The invention relates to the technical field of magnetic confinement nuclear fusion devices, in particular to a flat target plate for an ultrahigh thermal load component of a fusion device and a processing method of the flat target plate. The flat plate type target plate comprises a heat sink and a plurality of tungsten copper sheets installed above the heat sink, the heat sink is provided with a first connecting part, the tungsten copper sheets are provided with second connecting parts, and the first connecting part is matched with the second connecting parts in a clamping mode. The tungsten copper sheet is connected with the heat sink in a clamped mode and then connected with the heat sink in a welded mode through vacuum brazing or diffusion welding. The invention can overcome the defects in the prior art, can bear high heat load, is suitable for the striking point part of a fusion device, can increase the reliability of the connection between the tungsten copper sheet and the heat sink, effectively prevents the tungsten copper sheet from falling off, and ensures the smooth proceeding of the experiment.

Description

technical field [0001] The invention relates to the technical field of magnetic confinement nuclear fusion devices, in particular to a flat target plate used for ultra-high thermal load components of a fusion device and a processing method thereof. Background technique [0002] As one of the ultra-high thermal load components of the nuclear fusion tokamak device, the divertor plays a vital role in the experimental operation of the nuclear fusion tokamak device. The products of high-temperature plasma fusion and the huge energy they carry are deposited on the divertor under the guidance of the magnetic field. The divertor must remove these impurity particles and energy in time to play an important role in protecting the device and maintaining high-quality plasma . Heat load capacity is one of the most important technical parameters of the divertor. [0003] The divertor target plate is the most important part of the divertor, which plays the role of heat dissipation. At pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21B1/13G21B1/05
CPCG21B1/13G21B1/057Y02E30/10
Inventor 訾鹏飞李磊殷磊韩乐王兆亮曹磊许铁军姚达毛
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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