A self-shielded dd neutron generator

A neutron generator and self-shielding technology, which is applied to DC voltage accelerators, accelerators, electrical components, etc., can solve the problems of long construction period, large workshop area, and high cost

Active Publication Date: 2021-05-04
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to shield the neutron generator with a neutron output of 1E8 DD, the walls and roof of the plant need to be solidly poured with concrete, and the thickness needs to be more than half a meter to meet the requirements of the environmental impact assessment. The plant occupies a large area, the construction period is long, and the cost is high. unit unbearable

Method used

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  • A self-shielded dd neutron generator
  • A self-shielded dd neutron generator
  • A self-shielded dd neutron generator

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Embodiment Construction

[0112] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0113] Such as figure 1 , Figure 13As shown, a self-shielding DD neutron generator includes a sealed cube-shaped shielding body composed of a first shielding body 1 and a second shielding body 2 closed, and a first cavity 3 is arranged inside the first shielding body 1, A second cavity 82 is arranged inside the second shield 2. When the first shield 1 and the second shield 2 are closed together, the first cavity 3 and the second cavity 82 together constitute the main body part of the neutron generator. Equipment compartment; the main part of the neutron generator is used to generate neutrons through the DD reaction; the main part includes the D+ ion source (the main components of the D+ ion source are arranged in the shielding box 6) and the straight-pipe cooling liquid guide pipe 4 , the coolant guide tube 4 is perpendicular to the ground, the top o...

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Abstract

The invention belongs to the technical field of neutron generators, and in particular relates to a self-shielding DD neutron generator, comprising a sealed cube-shaped shielding body composed of a first shielding body (1) and a second shielding body (2). A first cavity (3) is set inside the first shield (1), and a second cavity (82) is set inside the second shield (2). When the first shield (1) and the second shield (2) When closed, the first cavity (3) and the second cavity (82) jointly constitute the equipment compartment where the main part of the neutron generator is arranged; the main part of the neutron generator is used to generate neutrons through DD reaction. The neutron generation of this neutron generator can be remotely controlled, and the structure can be disassembled. The main consumables are repairable target chips and ion sources, and the service life is basically unlimited; the floor area is only 2m 2 , to realize the use of DD neutron generators in ordinary rooms, without the need to build a separate neutron shielding hall.

Description

technical field [0001] The invention belongs to the technical field of neutron generators, in particular to a self-shielding DD neutron generator. Background technique [0002] At this stage, with the increasing application range of neutrons, the demand for neutron sources is gradually increasing, and the requirements are gradually increasing. Many universities, research institutes and related enterprises need to use neutrons generated by neutron generators for Scientific research and neutron activation analysis and detection work. For example, the use of neutron activation analysis to detect the elemental composition of coal or cement on-line requires the use of thermal neutrons, usually using a 252-cf radioactive source, requiring a neutron source intensity of 1E8 or higher, but it is difficult to obtain such a radioactive source , needs to be imported, and because of the long-term high-intensity radioactivity of the radioactive source, it is extremely dangerous and very ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H3/06
CPCH05H3/06
Inventor 张凯陈红涛赵芳鲍杰阮锡超刘世龙侯龙龚新宝刘邢宇张坤
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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