Sealing assembly, geogas prospecting sampler and application method of geogas prospecting sampler

A technology for sealing components and samplers, which is applied to sampling, sampling devices, measuring devices, etc., can solve the problems of inconvenient operation and complex structure of the sealing device, and achieve the effects of convenient operation, avoiding unstable insertion and simple structure.

Pending Publication Date: 2019-07-05
MAANSHAN MCC17 ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem of complex structure and inconvenient operation of the sealing device in the existing earth-atmosphere measuring equipment, the present invention provides a sealing assembly, an earth-atmosphere measuring sampler and its use method

Method used

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  • Sealing assembly, geogas prospecting sampler and application method of geogas prospecting sampler
  • Sealing assembly, geogas prospecting sampler and application method of geogas prospecting sampler
  • Sealing assembly, geogas prospecting sampler and application method of geogas prospecting sampler

Examples

Experimental program
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Effect test

Embodiment 1

[0053] Earth atmosphere measurement equipment generally includes a special steel braze and a sampler 4 and a detector connected by a silicone tube. The sampler 4 matches the size of the steel braze. When testing, first look for a relatively flat ground. Brazing goes out detection hole 9 in soil, pulls out steel brazing then and special sampler 4 is put into detection hole 9, and air extraction detects.

[0054] This embodiment provides a sampler for geogas measurement, including a sealing assembly, the sealing assembly is applied to the sampler 4, this is because, during the sampling process of the sampler 4, the outer wall of the sampler 4 and the detection hole drilled by the steel brazing There is a certain gap between the inner walls of 9, and the gas to be detected inside the detection hole 9 diffuses into the atmosphere along with the gap, and at the same time, the outside atmosphere will also be drawn into the interior of the sampler 4 along with the gap, resulting in a ...

Embodiment 2

[0066] A kind of ground gas measurement sampler of the present embodiment comprises a kind of sealing assembly, and the sealing assembly is applied on the sampler 4 that FD216 radon detector equipment is used, and the outer diameter of the sampler 4 of the present embodiment is 40mm, and described sealing The assembly includes a sealing plug 1, a sealing cover 2 and a sealing ring 3 which are sleeved on the sampler 4 sequentially from bottom to top. The sealing plug 1 is a sponge plug, and a through hole matching the cross-sectional size of the sampler 4 is provided in the middle of the sponge plug. The shape of the sponge plug is made into a cylinder, and the outer diameter of the cylinder is 50 mm to 60 mm. The operator compacts it into the gap between the inner wall of the detection hole 9 and the outer wall of the sampler 4 by hand; image 3 and Figure 4 As shown, the sealing cover 2 of this embodiment includes a cover body 201, and the outer periphery of the bottom edge ...

Embodiment 3

[0074] The structure of the ground gas measurement sampler of this embodiment is basically the same as that of Embodiment 2. Furthermore, in order to further improve the closeness between the sealing cover 2 and the ground at the detection point, the cover body 201 of the sealing cover 2 is in contact with the ground One side is provided with a sealing layer, such as figure 2 As shown in the sealing cover 2, the surface of the cover body 201 in this embodiment in contact with the ground is covered with a rubber layer.

[0075] Such as Figure 4 , Figure 6 , Figure 7 or Figure 8 In the sealing cover 2 shown, the circle where the cover body 201 is in contact with the ground is the circle where the outer edge 202 is in contact with the ground. An annular groove is arranged, and a rubber ring is arranged in the annular groove.

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Abstract

The invention discloses a sealing assembly, a geogas prospecting sampler and an application method of the geogas prospecting sampler and belongs to the field of geogas prospecting equipment. The sealing assembly provided by the invention comprises a sealing plug, a sealing cover and a sealing ring which sleeve the sampler from bottom to top in sequence. The sealing plug is tightly attached to theouter wall surface of the sampler. A penetrating hole is formed in the middle of the sealing cover. The inner wall of the sealing ring is tightly attached to the outer wall surface of the sampler. Thesealing assembly provided by the invention is simple in structure, reasonable in design and easy to manufacture. The geogas prospecting sampler provided by the invention is formed by assembling the sealing assembly. When the sampler is used, part of the assembled sampler is inserted into an inspection hole, a gap between the sampler and the inspection hole is sealed by means of the sealing plug firstly, then the sealing cover is compacted to the ground where the inspection hole is formed, the sampler is downwards inserted into an inspection position of the inspection hole, and finally, a gapbetween the penetrating hole of the sealing cover and the sampler is sealed by means of the sealing ring. The application method steps are easy and convenient to implement, and the problem that an airinlet of an existing sampler is prone to being blocked is effectively solved.

Description

technical field [0001] The invention belongs to the field of earth atmosphere measurement equipment, and in particular relates to a sealing assembly, an earth atmosphere measurement sampler and a use method thereof. Background technique [0002] Radon is a colorless, odorless, tasteless inert gas that is radioactive. The chemical reaction of radon is inactive, and it is difficult for radon to react with other elements to form compounds. Since rocks and soils on the Earth's surface contain trace amounts of uranium, radon is present in soil, surface water, and the atmosphere. 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. And because radon is a radioactive gas, when people inhale it, the decayed alpha particles of radon can cau...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/06F16J15/10G01N1/24
CPCF16J15/061F16J15/10G01N1/2294G01N1/24G01N2001/2285
Inventor 周杨潘艳慈晓雷鸣陶冶张飞
Owner MAANSHAN MCC17 ENG TECH CO LTD
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