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Built-in neutron elemental analysis device

A neutron element and analysis device technology, applied in the direction of measuring devices, analyzing materials, and using wave/particle radiation for material analysis, etc., can solve the problems of large volume of detection devices, many structural materials, and large installation space, so as to improve the reliability interference ratio, reduce interference noise, and reduce the effect of installation area

Active Publication Date: 2018-09-14
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
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Problems solved by technology

However, the current products are all cross-belt type, and the detection device is large in size and needs to occupy a large installation space, and the large-volume device has more structural materials and high cost

Method used

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  • Built-in neutron elemental analysis device

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with specific examples.

[0024] Such as figure 1 The built-in neutron elemental analysis device shown includes a neutron source term system, a sample detection system, a shielding protection system and an energy spectrum analysis system. The neutron source item system includes a neutron generator 11, a neutron generator power supply control cabinet 1, a sample detection system includes a tested sample 4, an outer barrel 8, an inner barrel 3, and a gamma ray detector 6, and the energy spectrum analysis system includes multiple The channel analyzer 7 and the industrial control computer 2, the shielding protection system includes a gamma ray shielding layer 9, a detector protection layer 10 and an environment protection layer 5.

[0025] The neutron generator 11 is a D-T neutron generator, the output neutron energy is 14MeV, and the output direction is 4π direction, which is located above the inner barr...

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Abstract

The invention relates to a built-in neutron elemental analysis device which comprises a neutron source item system, a sample detection system, a shielding protection system and an energy spectrum analysis system. The built-in neutron elemental analysis device has the advantages that detected industrial material elements can be stimulated by neutrons emitted from neutron sources, generated gamma rays can be collected and analyzed by the aid of a detector, industrial material component information can be obtained, production can be guided, and the shielding protection system is used for carryingout dose protection on environments and human bodies and protecting the detector; the built-in neutron elemental analysis device is designed by the aid of optimal design methods on the basis of signal interference ratio systems, signal interference ratios are used as design evaluation criteria for the built-in neutron elemental analysis device, accordingly, the integral signal interference ratioof the built-in neutron elemental analysis device which is a system device can be increased, the detection level of the built-in neutron elemental analysis device can be ultimately upgraded, industrial material production and utilization can be optimally guided, the built-in neutron elemental analysis device is integrally miniaturized, is low in cost and can be conveniently and quickly mounted, and only small mounting spaces are required by the built-in neutron elemental analysis device.

Description

technical field [0001] The invention relates to the technical field of element detection, in particular to a built-in neutron element analysis device. Background technique [0002] Facing the current demands of industrialization, and aiming at problems such as environmental pollution and resource waste, it is necessary to grasp the content information of industrial materials, so as to realize the classification and use of industrial materials and optimize the guidance of production. At present, most industrial material factories analyze the composition content of industrial materials through laboratory chemical detection methods, including ICP-MS, flame atomic spectrometry, ion chromatography, etc. The above method requires sample preparation, takes a long time for detection and analysis, and cannot obtain real-time material composition information, and the detection samples are usually obtained by sampling methods, which are greatly affected by human factors. [0003] At t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/222
CPCG01N23/222
Inventor 黑大千李佳桐贾文宝汤亚军孙爱赟程璨
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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