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Radioactive inert gas measuring device and method, equipment and storage medium

An inert gas and measuring device technology, applied in the field of radioactive inert gas measuring devices, can solve the problems of low reliability, low accuracy, complex radioactive inert gas measurement structure, etc.

Active Publication Date: 2020-09-08
BEIJING RADIATION APPL RES CENT
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Problems solved by technology

[0008] The embodiment of the present invention provides a radioactive inert gas measurement device to solve the technical problems of complex radioactive inert gas measurement structure, low accuracy and low reliability in the prior art

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  • Radioactive inert gas measuring device and method, equipment and storage medium
  • Radioactive inert gas measuring device and method, equipment and storage medium
  • Radioactive inert gas measuring device and method, equipment and storage medium

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0028] In an embodiment of the present invention, a measuring device for radioactive inert gas is provided, such as figure 1 As shown, the device includes:

[0029] The signal detection device 1 is used to detect the β-γ obtained by the interaction with the detection crystal in the detector when the radioactive noble gas nuclide in the gas sample to be tested undergoes cascading decay; wherein, the β in the detector The detection crystal and the γ detection crystal are combined, and the β-γ consistent pulse electrical signal is formed by the superposition of the β pulse signal and the γ pulse ...

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Abstract

The embodiment of the invention provides a radioactive inert gas measurement device and method, equipment and a storage medium. According to the device, signal detection equipment detects a beta-gammacoincidence pulse electric signal obtained through the action of a sample and a detection crystal, and a beta detection crystal and a gamma detection crystal in a detector are arranged in a combinedmanner; the beta-gamma coincidence pulse electric signal is converted into a digital form from an analog form by signal acquisition and processing equipment; a computing device analyzes the amplitudeof the beta pulse signal in the beta-gamma coincidence pulse electric signal to obtain a first amplitude and the amplitude of the gamma pulse signal to obtain a second amplitude; and the activity concentration of the inert gas nuclide in the sample is calculated according to the pulse count of the digital beta-gamma coincidence pulse electric signal in the amplitude range formed by the first amplitude and the second amplitude. According to the scheme, the accuracy and reliability of measurement can be improved, radioactive inert gas nuclides can be distinguished, the concentration value of activity can be accurately and continuously measured, and the size, weight and cost of the detection device can be reduced.

Description

technical field [0001] The invention relates to the technical field of environmental radiation monitoring, in particular to a measuring device, method, equipment and storage medium for radioactive inert gas. Background technique [0002] During the operation of nuclear power plants, nuclear tests, isotope production, and nuclear fuel reprocessing, radioactive nuclides may be released and spread into the atmosphere, endangering environmental safety and personnel health. Among them, radioactive inert gas may be produced due to fuel cladding damage or activation of neutron absorption by materials in the core area. Its monitoring is of great significance for ensuring the operation safety of nuclear facilities and the health of environmental personnel. [0003] As the fission product of nuclear fuel, radioactive inert gas has stable chemical properties and large output, and is an important monitoring source item for environmental assessment of nuclear facilities. The source term...

Claims

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Application Information

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IPC IPC(8): G01T1/167G01T1/17G01T1/15
CPCG01T1/167G01T1/17G01T1/15Y02E30/30
Inventor 徐宏坤黄子瀚殷荫边江邵延峰赵栓锁
Owner BEIJING RADIATION APPL RES CENT
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