Rapid high-sensitivity detecting device for radioactive xenon

A high-sensitivity, detection device technology, applied in measuring devices, radiation measurement, X/γ/cosmic radiation measurement, etc., can solve the problems of device research and manufacturers that have not been reported in the literature, and achieve the effect of high-sensitivity detection

Active Publication Date: 2019-07-09
63653 FORCES PLA
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] Comparative analysis of literature shows that there is no literature report on the device research and manufacturer with the same structure as the invention

Method used

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  • Rapid high-sensitivity detecting device for radioactive xenon
  • Rapid high-sensitivity detecting device for radioactive xenon
  • Rapid high-sensitivity detecting device for radioactive xenon

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Embodiment Construction

[0011] A rapid and high-sensitivity detection device for radioactive xenon, comprising a radon daughter filter 1, a needle valve 2, an air compressor 3, a buffer tank 4, a gas source processor 5, a compressed air flowmeter 6, a pressure sensor 7, and a mass flow rate Controller 8, dew point meter 9, hollow fiber membrane 10, regulating valve 11, flow meter 12, impurity removal column 13, lead shielding room 14, integrated adsorption / measurement sample box 15, HPGe detector 16 are matched and composed.

[0012] Including radon daughter filter, air compressor, buffer tank, air source processor, compressed air flow meter, mass flow controller, pressure sensor, dew point meter, hollow fiber membrane, regulating valve, flow meter, impurity removal column, integrated Chemical adsorption / measurement sample box, lead shielding room, HPGe detector; the inlet and outlet gas pipelines are connected to the adsorption column, the adsorption column is made of thin-walled copper tube and fill...

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PUM

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Abstract

The invention relates to the field of radioactive gas analysis, and relates to a rapid high-sensitivity detecting device for radioactive xenon. The device is composed of a radon progeny filter, a needle valve, an air compressor, a buffer tank, a gas source processor, a compressed air flow meter, a pressure sensor, a mass flow controller, a dew-point instrument, a hollow fiber membrane, a regulating valve, a flow meter, a decontamination column, a lead shielding room, an integrated adsorption/measurement sample box and a HPGe detector by mating. The device provided by the invention realizes on-site rapid and high-sensitivity detection of radioactive xenon, and the radon progeny filter effectively removes the radon progeny and dust and realizes self-cleaning function.

Description

technical field [0001] The invention relates to the field of radioactive gas analysis, and satisfies the requirement of on-site rapid and high-sensitivity measurement of radioactive xenon activity concentration. Background technique [0002] In the field of nuclear safety monitoring, it is necessary to use high-sensitivity on-site rapid detection technology to detect radionuclides in the surrounding environment of nuclear facilities to ensure the safety of nuclear facilities, and provide a basis for radiation protection, safety assessment and environmental impact assessment of nuclear facilities. Real-time detection of radioactive gases and aerosols is the most sensitive and efficient means. However, due to the very high temperature in these nuclear facilities, non-radioactive gas tracer detection has the limitations of low survival rate, difficulty in determining the release amount and release time, increased environmental background, and no possibility of repeated detectio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/178
CPCG01T1/178
Inventor 不公告发明人
Owner 63653 FORCES PLA
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