CN201589732U - Soil radon exhalation rate test cabin - Google Patents
Soil radon exhalation rate test cabin Download PDFInfo
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- CN201589732U CN201589732U CN2009202622386U CN200920262238U CN201589732U CN 201589732 U CN201589732 U CN 201589732U CN 2009202622386 U CN2009202622386 U CN 2009202622386U CN 200920262238 U CN200920262238 U CN 200920262238U CN 201589732 U CN201589732 U CN 201589732U
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Abstract
A soil radon exhalation rate test cabin belongs to a detection device in soil radon prevention research, and is characterized in that the test cabin comprises a cabin cover and a cabin body, a clamping device is arranged between the cabin cover and the cabin body, high radon bearing soil is filled in the cabin body, a plurality of radon sampling boxes are embedded in the high radon bearing soil which is covered by a concrete terrain model component and a concrete building model component, a space reserved among the concrete terrain model component, the concrete building model component and the cabin cover forms an air cabin, a plurality of gas inlet and outlet nozzles are arranged on the wall of the air cabin in the cabin body, and the radon sampling boxes are respectively connected to the gas inlet and outlet nozzles distributed on the wall of the cabin body via radon gas sampling pipelines. By aid of the soil radon exhalation rate test cabin, researchers can carry on research just like that the ground and buildings are shifted into houses, and can simulate and test building model indoor radon concentration on different environmental conditions, thereby increasing research efficiency greatly, reducing radon prevention cost and improving radon prevention effect.
Description
Technical field:
The utility model relates to a kind of test chamber for radon exhalation rate in soil, and it belongs to the pick-up unit in the soil radon gas study on prevention.
Background technology:
The World Health Organization (WHO), International Atomic Energy Agency think that all airborne radon is one of reason that causes human cancer, are second reasons that causes lung cancer.International cancer research institution is classified as I class carcinogenic factor with radon.At present, the problem of preventing and treating of radon has obtained the great attention of American-European countries and Chinese Government.Swedish government is made regulation: be higher than 50,000 Bq/m after the national Soil Radon CONCENTRATION DISTRIBUTION of investigation
3The area be " high-risk area ", requirement is when building house, to avoid " high-risk area " as far as possible, if in the time of must building house in " high-risk area ", must take anti-radon to fall the radon engineering measure, for example, take aeration structure etc. under thickening reinforced concrete ground, the ground.CNS " civil building engineering indoor environmental pollution control standard ", " IAQ (indoor air quality) standard " are all classified radon as one of pollutant of indoor control, and the house of all radon concentration over-standards does not allow to be delivered for use.
The main method that the radon engineering and technological research takes falls in present anti-radon: 1) the existing building indoor environment is tested, the building that radon in the room air is exceeded standard is taked the brushing radon preventing paint, is increased measures such as resh air requirement and fall radon then.2) new building is taked to thicken anti-radon measures such as concrete foundation, raising basement waterproofing grade, the built on stilts floor of the first floor.When treating that new building is completed, carry out room air and detect, if radon still exceeds standard in the air, then by method 1) the radon processing falls.
The research method that radon falls in above-mentioned anti-radon is in following shortcoming: effect that 1) can't the various anti-radon measures of quantitative Analysis, promptly can't be when design radon contents in the room air in predict good future.For avoiding ad infinitum increasing cost, can only thicken " in right amount " base plate or outer wall of basement or " in right amount " raising classification of waterproof of building.Final effect could be surveyed after will waiting building to finish; 2) testing amount is big, and testing result is subjected to the influence of weather and environment big.
Summary of the invention:
The purpose of this utility model is to provide a kind of prevents radon for studying buildings, fall radon provides the test chamber for radon exhalation rate in soil that detects data accurately.
The purpose of this utility model is achieved in that
A kind of test chamber for radon exhalation rate in soil is characterized in that it comprises hatchcover and cabin body, is provided with clamp device between described hatchcover and cabin body, and high radon soil is housed in the body of described cabin; In described high radon soil, be embedded with a plurality of radon sampling boxes; On described high radon soil, be coated with mattess model component and concrete construction model component, between described mattess model component and concrete construction model component and hatchcover, leave the space, constitute an air chamber, on the bulkhead of the air chamber position of described cabin body, be provided with a plurality of turnover valves; Described each radon sampling box is connected on the turnover valve that is distributed on the body wall of cabin by the radon gas sampling line.
Described cabin body is a flat cylindrical tank.
Its diameter of cabin body of described cylindrical tank is 2～3.5 meters, and it highly is 1.8～2.8 meters.
The shallow slot that is provided with suitable for reading at described cabin body is inlaid with O-ring seal in described shallow slot.
Described radon sampling box comprises a barrel-shaped box body, be arranged on the barrel-shaped box wall a plurality of pores be arranged on barrel-shaped box wall on be used for the connecting pipe that is connected with the radon gas sampling line.
Described a plurality of radon sampling box is separately positioned in the soil horizon of high radon soil of a plurality of height, and each soil aspect distributes on a plurality of radon sampling boxes.
Described radon sampling box is nine, is separately positioned in the soil horizon of high radon soil of three height every layer of three the radon sampling box that distributes.
Wrap up at the outside surface of described radon sampling box and to tie up one deck geotextile.
Inner wall surface at described cabin body is provided with the high molecular water-proof paint layer.
Be provided with the metal suspension ring of lifting carrying usefulness in the upper surface middle part of described hatchcover.
The utility model is equivalent to the earth and buildings are moved into indoor research, but BUILDINGS MODELS indoor radon concentration under the multiple ambient conditions of simulation test, improved research efficient greatly, prevent the radon cost for reducing, improve anti-radon effect, and at the beginning of concrete construction work design, just can predict and prevent that the radon effect provides possibility.
Description of drawings:
Accompanying drawing 1 is the structural representation of invention
Fig. 2 is the sectional structure synoptic diagram at the A-A position of Fig. 1 of the present utility model
Fig. 3 is the structural representation of radon sampling box of the present utility model
Embodiment:
Below in conjunction with accompanying drawing 1, Fig. 2 and Fig. 3, the utility model is further detailed:
Embodiment 1:
In the present embodiment, it comprises hatchcover 1, cabin body 2 the utility model, between described hatchcover 1 and cabin body 2, be provided with clamp device 3, high radon soil 4 is housed in described cabin body 2, in described high radon soil 4, be embedded with a plurality of radon sampling boxes 7, on described high radon soil 4, be coated with mattess model component 5 and concrete construction model component 6; Between described mattess model component 5 and concrete construction model component 6 and hatchcover 1, leave the space, constitute an air chamber 23, on the bulkhead of the air chamber position of described cabin body 2, be provided with a plurality of turnover valves 24; Described each radon sampling box 7 is connected on a plurality of turnover valves 9 that are distributed on the body wall of cabin by a radon gas sampling line 8.
Described in the present embodiment cabin body 2 be a flat cylindrical tank, and be provided with the water-repellent paint layer in the inner wall surface of described cabin body 2.The size of described cabin body can design according to the needs that detect.In the present embodiment, cabin body 2 its diameters of described cylindrical tank are 2.0 meters, 1.8 meters of its height.Hatchcover 1 adopts organic glass to make, and the lower surface of hatchcover 1 should be smooth smooth, so that sealing.The middle part, surface is provided with the metal suspension ring 12 of lifting carrying usefulness thereon.
In order to guarantee the sealing effectiveness in the body of cabin of the present utility model, the shallow slot 22 that is provided with suitable for reading at described cabin body is inlaid with O-ring seal 21 in described shallow slot 22.
Described radon sampling box 7 comprises a barrel-shaped box body 71, be arranged on the barrel-shaped box wall a plurality of pores be arranged on barrel-shaped box wall on be used for the connecting pipe 73 that is connected with radon gas sampling line 8.The bleeder vent 72 that even perforate is arranged on described its barrel-shaped box wall in the present embodiment.In order to obtain the detection data of multiple spot, a plurality of radon sampling boxes 7 need be set, and described a plurality of radon sampling box 7 need be provided with respectively in the soil horizon of high radon soil of differing heights.Described in the present embodiment radon sampling box 7 is nine, is separately positioned in the soil horizon of high radon soil of three height, and there are three radon sampling boxes on each aspect top.The soil horizon of the high radon soil of its three height lays respectively at apart from cabin body 2 bottom 200mm, 700mm and 1200mm place.In order to prevent that soil from entering in the radon sampling box by bleeder vent 72, wrap up at the outside surface of described radon sampling box 7 and tie up one deck geotextile.When the concrete construction model component that is studied has simulation " basement ", the radon sampling box of the aspect in the top can be removed one, keep two radon sampling boxes and get final product.
Installation mattess model component 5 and concrete construction model component 6 above the high radon soil in the body of cabin.In the utility model, described high radon soil is meant radon concentration soil with high.All assembly unit seams of mattess model component 5 and concrete construction model component 6 all need adopt the silicone sealant sealing.
Principle of work of the present utility model:
1) adopts flow gas to survey the radon mode, for example select RAD7 emanometer (continuously-running is more than 10 days).By being installed in a pair of turnover valve on the measurand wall, can carry out the control of resh air requirement to measurand.Test can be carried out under the state of different resh air requirements.
2) after the filling of high radon soil finishes, build transparency canopy.By control to the place room temperature, but the radon concentration in the analog detection Various Seasonal test chamber upper air chamber.Extrapolate under the Various Seasonal condition eduction rate of radon in the soil thus.
3) on soil, lay concrete ground surface model member 5.But the eduction rate of radon under the simulation test sealing hard ground situation.
4) on soil, build concrete construction model component 6.Soil around the BUILDINGS MODELS is sealed or afforests or lay permeable brick etc.But BUILDINGS MODELS indoor radon concentration under the multiple ambient conditions of simulation test.
5) be embedded in the variation that sampling box in the soil is used to detect Soil Radon concentration.The detection method of Soil Radon adopts FD3017 Soil Radon tester to carry out.
Embodiment 2:
Other parts and the embodiment 1 of present embodiment are identical.
Claims (10)
1. a test chamber for radon exhalation rate in soil is characterized in that it comprises hatchcover (1) and cabin body (2), is provided with clamp device (3) between described hatchcover (1) and cabin body (2), and high radon soil (4) is housed in described cabin body (2); In described high radon soil (4), be embedded with a plurality of radon sampling boxes (7); On described high radon soil (4), be coated with mattess model component (5) and concrete construction model component (6), between described mattess model component (5) and concrete construction model component (6) and hatchcover (1), leave the space, constitute an air chamber (23), on the bulkhead of the air chamber position of described cabin body (2), be provided with a plurality of turnover valves (24); Described each radon sampling box (7) is connected on the turnover valve (9) that is distributed on the body wall of cabin by radon gas sampling line (8).
2. the test chamber for radon exhalation rate in soil described in claim 1 is characterized in that described cabin body (2) is a flat cylindrical tank.
3. the test chamber for radon exhalation rate in soil described in claim 2 is characterized in that its diameter of cabin body (2) of described cylindrical tank is 2～3.5 meters, and it highly is 1.8～2.8 meters.
4. the test chamber for radon exhalation rate in soil described in claim 1 or 2 or 3 is characterized in that the shallow slot (22) that is provided with suitable for reading at described cabin body, is inlaid with O-ring seal (21) in described shallow slot (22).
5. the test chamber for radon exhalation rate in soil described in claim 1, it is characterized in that described radon sampling box (7) comprise a barrel-shaped box body (71), be arranged on the barrel-shaped box wall a plurality of pores (72) be arranged on barrel-shaped box wall on be used for the connecting pipe (73) that is connected with radon gas sampling line (8).
6. the test chamber for radon exhalation rate in soil described in claim 1 or 5 is characterized in that described a plurality of radon sampling boxes (7) are separately positioned in the soil horizon of high radon soil of a plurality of height, and each soil aspect distributes on a plurality of radon sampling boxes.
7. the test chamber for radon exhalation rate in soil described in claim 6 is characterized in that described radon sampling box (7) is nine, is separately positioned in the soil horizon of high radon soil of three height every layer of three the radon sampling box that distributes.
8. the test chamber for radon exhalation rate in soil described in claim 5 is characterized in that wrapping up at the outside surface of described radon sampling box (7) and ties up one deck geotextile.
9. the test chamber for radon exhalation rate in soil described in claim 1 is characterized in that being provided with the high molecular water-proof paint layer in the inner wall surface of described cabin body (2).
10. the test chamber for radon exhalation rate in soil described in claim 1 is characterized in that being provided with the metal suspension ring (12) that usefulness is carried in lifting in the upper surface middle part of described hatchcover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202622386U CN201589732U (en) | 2009-12-30 | 2009-12-30 | Soil radon exhalation rate test cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202622386U CN201589732U (en) | 2009-12-30 | 2009-12-30 | Soil radon exhalation rate test cabin |
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| Publication Number | Publication Date |
|---|---|
| CN201589732U true CN201589732U (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202622386U Expired - Lifetime CN201589732U (en) | 2009-12-30 | 2009-12-30 | Soil radon exhalation rate test cabin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769834B (en) * | 2009-12-30 | 2011-08-24 | 深圳市建筑科学研究院有限公司 | Test chamber for radon exhalation rate in soil |
| CN103091472A (en) * | 2013-01-25 | 2013-05-08 | 南华大学 | Method for rapidly measuring soil potential radon consistence |
| CN115188515A (en) * | 2022-07-05 | 2022-10-14 | 核工业北京化工冶金研究院 | Uranium tailing multilayer covering treatment method and system based on waste rock covering |
-
2009
- 2009-12-30 CN CN2009202622386U patent/CN201589732U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769834B (en) * | 2009-12-30 | 2011-08-24 | 深圳市建筑科学研究院有限公司 | Test chamber for radon exhalation rate in soil |
| CN103091472A (en) * | 2013-01-25 | 2013-05-08 | 南华大学 | Method for rapidly measuring soil potential radon consistence |
| CN103091472B (en) * | 2013-01-25 | 2015-04-29 | 南华大学 | Method for rapidly measuring soil potential radon consistence |
| CN115188515A (en) * | 2022-07-05 | 2022-10-14 | 核工业北京化工冶金研究院 | Uranium tailing multilayer covering treatment method and system based on waste rock covering |
| CN115188515B (en) * | 2022-07-05 | 2023-08-04 | 核工业北京化工冶金研究院 | Uranium tailing multilayer coverage treatment method and system based on waste stone coverage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100922 Effective date of abandoning: 20091230 |