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Gas drying device with radon daughter filtering function

A technology of gas drying and filtering device, which is applied in the direction of dispersed particle filtration, transportation and packaging, and separation of dispersed particles, which can solve the problems of reducing the collection efficiency of the system

Pending Publication Date: 2021-04-27
BEIJING RES INST OF URANIUM GEOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This method can accurately measure the content of radon in the environment, but it needs to filter out the influence of radon progeny in the environment in advance
In addition, when measured using this method, polarized water molecules easily interact with positively charged 218 Po effect, making it into neutral particles, reducing the collection efficiency of the system

Method used

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  • Gas drying device with radon daughter filtering function
  • Gas drying device with radon daughter filtering function
  • Gas drying device with radon daughter filtering function

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Embodiment Construction

[0036] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0037] Such as figure 1 As shown, the present invention provides a gas drying device with radon daughter filtering function, comprising: an air intake chamber 1, a dust filter bin 2, a drying pipe 3 and a radon daughter filter device 4, an air inlet chamber 1 and a dust filter bin 2 are detachably connected through threads, the air intake chamber 1 is detachably connected with the drying pipe 3 through threads, and the drying pipe 3 is detachably connected with the radon daughter filter device 4 through threads.

[0038] Such as Figure 2-3 As shown, the intake chamber 1 is made of a cylinder with a height of 40 mm, an inner diameter of 41 mm, and an outer diameter of 65 mm. The main material is PC plastic, and the wall thickness of one side is 12 mm. The air intake chamber 1 includes: an air intake chamber main body 101 , a first groove 102...

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Abstract

The invention belongs to the field of radioactive detection equipment, and particularly relates to a gas drying device with a radon daughter filtering function, the gas drying device comprises a gas inlet chamber, a dust filtering bin, a drying pipe and a radon daughter filtering device, the gas inlet chamber is detachably connected with the dust filtering bin, the gas inlet chamber is detachably connected with the drying pipe, and the drying pipe is detachably connected with the radon daughter filtering device. The device integrates the radon daughter filtering function and the gas drying function, the overall structural design is light and easy to carry, interfaces are unified, gas circuit connection is simple, and the device is suitable for a common environment radon measuring instrument.

Description

technical field [0001] The invention belongs to the field of radioactivity detection equipment, and in particular relates to a gas drying device with the function of filtering radon daughters. Background technique [0002] Radon pollution in the environment has become the main source of radioactive pollution. Radon has a strong adsorption capacity and can be absorbed by almost all solids, especially loose porous substances, increasing indoor radiation levels and endangering people's health. In recent years, the measurement of radioactive content of radon in ambient air has received extensive attention. [0003] There are many methods to measure radon in ambient air, and the commonly used method is pump suction electrostatic collection energy spectrum analysis method. This method uses active pumping to suck radon-containing gas into a high-pressure chamber, and the radon gas decays to produce 218 Po positively charged particles are adsorbed to the surface of the detector at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/26B01D53/22B01D46/00G01N1/28G01N1/34
CPCB01D53/263B01D53/228G01N1/28G01N1/34B01D46/88
Inventor 王玮梁树红张兆山段金松麻金龙李婷武旭东胡小华
Owner BEIJING RES INST OF URANIUM GEOLOGY
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