A neutron source photography system for a vehicle-mounted proton linear accelerator

A technology of linear accelerators and neutron sources, applied in the direction of DC voltage accelerators, electrical components, accelerators, etc., can solve the problems of affecting safety and mobility, increasing the weight of on-board systems, and higher shielding requirements, achieving high capture efficiency. , Speed ​​up the camera speed and ensure the effect of safety

Inactive Publication Date: 2019-01-04
XI AN JIAOTONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the product of the D-T reaction is relatively radioactive and has high requirements for shielding, which may lead to a substantial increase in the weight of the entire vehicle system, affecting safety and mobility
At the same time, the efficiency of producing neutrons through this reaction is low

Method used

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  • A neutron source photography system for a vehicle-mounted proton linear accelerator
  • A neutron source photography system for a vehicle-mounted proton linear accelerator

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0022] refer to figure 2 , the vehicle-mounted proton linear accelerator neutron source photographing system of the present invention includes an ion source 4, a proton linear accelerator 5, a neutron photographing device 7, a central control and data acquisition and processing system 3, a target station 6 and a power for providing energy The source 2; the target station 6 includes a shield 63 and a lithium target 61, a magnetic deflection device 62 and a neutron collimator 64 arranged in the shield 63; the proton beam generated by the ion source 4 is accelerated and magnetically deflected by the proton linear accelerator 5 After the device 62 is deflected, it bombards the lithium target 61, so that the lithium target 61 generates a neutron beam, and the neutron beam generated by the lithium target 61 bombards the object to be measured after passing through the neutr...

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Abstract

The invention discloses a neutron source photography system of a vehicle-mounted proton linear accelerator, comprising an ion source, a proton linear accelerator, a neutron photography device, a central control and data acquisition and processing system, a target station and a power source for supplying energy. The target station comprises a shielding cover, a lithium target, a magnetic deflectiondevice and a neutron collimator. The proton beam produced by ion source is accelerated by proton linear accelerator and deflected by magnetic deflector, causing the lithium target to produce a neutron beam, the neutron beam generated by lithium target passes through the neutron collimator and bombards the object to be measured, The neutron radiography device receives the neutron reflected by theobject to be measured. The output end of the neutron radiography device is connected with the central control and data acquisition and processing system. The radiography system has low requirements for shielding, high neutron generation efficiency, and can realize vehicle-mounted operation.

Description

technical field [0001] The invention belongs to the field of engineering technology design, and relates to a vehicle-mounted proton linear accelerator neutron source photographing system. Background technique [0002] Neutron photography is an excellent nondestructive testing technique. Neutrons have no charge and strong penetrability, and can distinguish isotopes, light elements and nearby elements. After passing through the measured object, the difference in the structure of the object or the difference in the material will cause different intensity attenuation. By detecting the intensity distribution of the transmitted neutrons, information such as the internal structure and material distribution of the object can be obtained. Non-destructive testing of measured objects and objects using neutron photography has great potential for development in industrial and engineering applications. [0003] Based on the small accelerator neutron source, which is small in size, light...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H3/06
CPCH05H3/06
Inventor 王盛李晓博马宝龙崔巍大竹淑惠须长秀行小林知洋王洁
Owner XI AN JIAOTONG UNIV
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