A detection method for collecting radon concentration in soil

A detection method and radon concentration technology, applied in the field of nuclear radiation detection, can solve problems such as being unsuitable for activated carbon samplers, and achieve the effects of preventing escape, optimizing steps, and improving accuracy

Active Publication Date: 2020-07-17
福建拓普检测技术有限公司
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Problems solved by technology

However, this is suitable for instantaneous sampling measurement methods, not suitable for cumulative sampling measurement methods that require long-term placement of activated carbon samplers

Method used

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  • A detection method for collecting radon concentration in soil
  • A detection method for collecting radon concentration in soil
  • A detection method for collecting radon concentration in soil

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Embodiment Construction

[0021] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0022] refer to figure 1 As shown in -3, the present invention provides a kind of detection method that is used for collecting radon concentration in soil, wherein, comprises the following steps:

[0023] ① Take sampling points: arrange several sampling points on the soil to be tested. Several sampling points are arranged in a grid pattern. The location of the points should cover the soil to be tested as much as possible to make the measurement more accurate and comprehensive.

[0024] ② Drilling sampling holes: Drilling sampling holes into the soil through a punching mechanism, the punching mechanism includes a steel drill 1, a casing 2 and a soil container 3 for storing soil. The inner surface and the outer surface of the shell 2 are re...

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Abstract

The present invention provides a kind of detection method that is used for collecting radon concentration in soil, comprises the following steps: 1. select sampling point: arrange several sampling points on the soil to be tested, and several sampling points are arranged in a grid pattern; Sampling hole: Drill sampling holes into the soil through the punching mechanism, ③ place the activated carbon sampler and fill the sampling hole; ④ record the test data; after the activated carbon sampler is placed in the soil for a period of time, take it out and put it into the radon meter for measurement; ⑤ Analyze and process the test data. The punching mechanism of the present invention cooperates with the activated carbon sampler to optimize the steps of drilling and filling the sampling holes, reduce the exposed area of ​​the sampling holes and shorten the exposure time of the sampling holes, and effectively prevent the radon gas in the soil from escaping from the sampling holes. scattered, thereby improving the accuracy of the test results.

Description

technical field [0001] The invention relates to the field of nuclear radiation detection, in particular to a detection method for collecting radon concentration in soil. Background technique [0002] Radon is a radioactive inert gas, and the alpha rays produced during its decay can cause cancer. It is one of the 19 carcinogenic factors identified by the World Health Organization. Under normal circumstances, it is difficult for natural radioactive substances to enter the human body, but the radon gas that runs from rock and soil into the air can easily enter the lungs with the human body's breathing, and go to the whole body with the flow of blood, destroying the human body. Cellular and molecular structures, thereby causing harm to the human body. Studies at home and abroad have shown that underground geological structures have the most serious impact on radon pollution in low-rise buildings in civil buildings. The "Code for Indoor Environmental Pollution Control of Civil C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/22G01T7/02
CPCG01N1/2294G01T7/02
Inventor 陈金爱林锦严和盛
Owner 福建拓普检测技术有限公司
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