Rotation tritium target device cooled by gallium-indium liquid metal

A liquid metal cooling and liquid metal technology, which is applied in the directions of targets, accelerators, and DC voltage accelerators for generating nuclear reactions, can solve the influence of monochromaticity of outgoing neutrons, and limit the intensity of neutrons in the intensity of incident deuterium ion beams. Further improve and other issues to achieve the effect of reducing the impact, improving the accuracy and measurement accuracy, and improving the heat transfer effect

Inactive Publication Date: 2015-05-06
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology

When working, the incident direction of the deuterium ion beam remains unchanged, and the tritium-titanium film ring belt on the rotating target is uniformly bombarded in turn, and at the same time, a high-speed circulating cooling water with a flow rate of 20-30 liters per minute is passed through the bottom of the target, so that the basic It is guaranteed that the target will not be overheated, resulting in the loss of tritium release, and the target will not be burned; but t

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  • Rotation tritium target device cooled by gallium-indium liquid metal

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Embodiment Construction

[0014] In order to enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] 1. Vacuum rotating hollow shaft 8: its interior is evacuated, one end is connected with the rotating target with screws, and the other end is connected with the accelerator interface. The vacuum rotating hollow shaft 8 rotates with the rotating tritium target 5 at a speed of 3500rpm, and the vacuum rotating hollow shaft The dynamic seal between 8 and the accelerator interface 22 is realized by real-time vacuum pumping through the vacuum pumping pipeline 21 to ensure the vacuum degree in the cavity.

[0016] 2. Rotating tritium target piece 5: The rotating tritium target piece 5 uses copper alloy as the base and is made into a spherical crown shape. The inner surface of the spherical crown shape is coated with a metal titanium fil...

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Abstract

The invention provides a rotation tritium target device cooled by gallium-indium liquid metal. The rotation tritium target device comprises a vacuum rotation hollow shaft, a rotation tritium target piece, a cooling structure, a pneumatic turbine transmission mechanism, a vacuum pumping pipeline, an accelerator interface, a beam cooling spiral pipe and a gallium-indium liquid metal cooling circulation system. The rotation tritium target device has the advantages that the device can be used as the rotation tritium target system of a high-current deuterium and tritium fusion neutron generator, the gallium-indium liquid metal which is high in thermal conductivity coefficient and atomic number replaces currently commonly used cooling medium water to serve as cooling medium, the cooling effect of the target piece is increased greatly, influence of inverse scattering of cooling medium atoms on the energy and strength of neutrons emitted from the target piece can be lowered, and the monochromaticity of neutrons emitted from a neutron generator tritium target system is increased effectively.

Description

technical field [0001] The invention relates to a rotating tritium target device cooled by gallium indium liquid metal, which is mainly used for high-flux deuterium-tritium fusion neutron generator rotating tritium target system to generate high-flux deuterium-tritium fusion neutron beams, which can be used in neutron physics, Research fields such as medical physics, radiation protection and nuclear technology applications play an important role. Background technique [0002] The deuterium-tritium fusion neutron generator uses a strong deuterium ion beam to bombard a tritium target to generate a 14MeV high-energy fusion neutron. [0003] The bombardment of the high-current ion beam will deposit a large amount of heat on the tritium target of the neutron generator, and the instantaneous heat flux can reach up to about tens of kW / cm 2 , while the thickness of the tritium-absorbing titanium film on the tritium target is only a few μm. If the above-mentioned heat cannot be quic...

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Application Information

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IPC IPC(8): H05H6/00
Inventor 王文于前锋王刚宋钢宋勇
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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