CN203870099U - Diffusion experimental device of radioactive radon in loose coal and rock media - Google Patents
Diffusion experimental device of radioactive radon in loose coal and rock media Download PDFInfo
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- CN203870099U CN203870099U CN201420287384.5U CN201420287384U CN203870099U CN 203870099 U CN203870099 U CN 203870099U CN 201420287384 U CN201420287384 U CN 201420287384U CN 203870099 U CN203870099 U CN 203870099U
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Abstract
The utility model discloses a diffusion experimental device of radioactive radon in loose coal and rock media. The device comprises a diffusion pipeline, a first connecting pipe, a second connecting pipe, a constant-temperature oil tank, an intelligent temperature data-logging instrument and bleeding iron, wherein one end of the diffusion pipeline is sealed, and a door is arranged at the other end of the diffusion pipeline; the diffusion pipeline comprises an outer pipe and an inner pipe; an annular cavity is formed between the outer pipe and the inner pipe; the first connecting pipe, the annular cavity and the second connecting pipe are sequentially connected; the end parts of the first connecting pipe and the second connecting pipe stretch into the constant-temperature oil tank; a high-temperature pump is mounted on the first connecting pipe; valves are mounted on the first connecting pipe and the second connecting pipe; the sampling rod is arranged in the inner pipe; an activated carbon adsorption bag is mounted on the sampling rod; a first temperature sensor for detecting the temperature of a coal sample is arranged in the inner pipe and is connected with the intelligent temperature data-logging instrument. The diffusion experimental device of radioactive radon in loose coal and rock media is particularly suitable for researching horizontal diffusion and adsorption rules of radioactive radon in a coal body, and can be used for setting the temperature, granularity and voidage of the coal sample.
Description
Technical field
The utility model relates to a kind of experimental provision, especially relates to radioactive radon diffusion experiment device in a kind of loose coal rock medium.
Background technology
Coal is the important basic energy resource of China and raw material, is non-renewable resources.The safety in production of mine in spontaneous combustion of coal serious threat, and causes resource to waste in a large number.Yet spontaneous fire in coal mine betides underground hundreds of meters of depths, due to personnel cannot near and the disguise of burning things which may cause a fire disaster, brought great difficulty to anti-fire-fighting work.Therefore, the accurate detection of Self-burning source position is one of great difficult problem in Safety of Coal Mine Production always.Ground isotope is surveyed radon method detection fire location and at the serious mine of spontaneous combustion, is applied as a kind of effective technology, but do not form a perfect theory, therefore, the migration rule of radon in rock stratum during the underground spontaneous combustion of further investigation coal, can further improve isotope and survey the precision of radon method detection of coal seam Self-burning source position, can effectively solve Mine Fire source position and survey this gordian technique, significant to coal bed fire hazard treating.At present, the experimental provision that has in the vertical direction research radon migration rule in loose coal rock medium, do not study in the horizontal direction the experimental provision of radon migration rule in loose coal rock medium, the migration rule of the radon that in the vertical direction obtains in loose coal rock medium can only be measured for earth's surface, and the general good hundreds of rice of mine is dark, in the process of migrating to earth's surface due to radon, can be subject to the impact of stratal configuration from mine, the concentration of measured next radon may be not accurate enough, and then can not Accurate Prediction fire location.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, radioactive radon diffusion experiment device in a kind of loose coal rock medium is provided, it is specially adapted to horizontal proliferation and the Adsorption law research of radioactive radon in coal body, this device can arrange the temperature of coal sample, a plurality of variablees of granularity and voidage are tested, meet different experiment demands, press close to greatest extent physical condition under coal mine, can more accurately simulate horizontal proliferation and the adsorption process of radioactive radon in mine, for the detection of spontaneous combustion of coal seam concealed fire position in mine provides certain theoretical direction.
For achieving the above object, the technical solution adopted in the utility model is: radioactive radon diffusion experiment device in a kind of loose coal rock medium, it is characterized in that: comprise diffusion pipeline, the first connecting pipe, the second connecting pipe, constant-temperature oil tank, intelligent temperature scan tester table and be arranged on the sampling rod in described diffusion pipeline, one end sealing other end of described diffusion pipeline is provided with door, described diffusion pipeline comprises outer tube and inner tube is within the outer tube set, space between described outer tube and inner tube forms annular housing, one end of described the first connecting pipe is stretched in described constant-temperature oil tank, the other end of described the first connecting pipe is connected with one end of annular housing, the other end of described annular housing is connected with one end of the second connecting pipe, the other end of described the second connecting pipe stretches in described constant-temperature oil tank, on described the first connecting pipe, high-temperature pump is installed, on described the first connecting pipe and the second connecting pipe, valve is all installed, described sampling rod is arranged in inner tube, on described sampling rod, charcoal absorption bag is evenly installed, one end of the sampling rod of close door is provided with separation net, described separation net is arranged in inner tube, the space forming between one side of described separation net and inner tube is coal sample rest area, the space forming between the opposite side of described separation net and door is uranium ore rest area, described coal sample is provided with the first temperature sensor of putting coal sample temperature for detection of its inside in rest area, described the first temperature sensor is connected with the terminals of intelligent temperature scan tester table by higher temperature line and shows institute's detected temperatures by intelligent temperature scan tester table.
Radioactive radon diffusion experiment device in above-mentioned loose coal rock medium, is characterized in that: coal sample groove is also evenly installed on described sampling rod, and described coal sample groove is arranged near charcoal absorption package location place.
Radioactive radon diffusion experiment device in above-mentioned loose coal rock medium, it is characterized in that: described constant-temperature oil tank comprises casing, electric heating tube, the second temperature sensor and XMTD-6111 type Intelligent temperature controller table, described the second temperature sensor is arranged in casing and for detection of temperature oily in casing, described the second temperature sensor is connected with the input end of XMTD-6111 type Intelligent temperature controller table by higher temperature line, described electric heating tube is arranged in casing and is connected with the output terminal of XMTD-6111 type Intelligent temperature controller table by higher temperature line, one end of described the first connecting pipe is stretched in casing, the other end of described the second connecting pipe stretches in casing.
Radioactive radon diffusion experiment device in above-mentioned loose coal rock medium, is characterized in that: described charcoal absorption bag is comprised of Furtulon high temperature cloth and the activated charcoal being wrapped in Furtulon high temperature cloth.
Radioactive radon diffusion experiment device in above-mentioned loose coal rock medium, is characterized in that: the quantity of described the first temperature sensor is a plurality of, and a plurality of the first temperature sensors are evenly arranged in coal sample rest area.
Radioactive radon diffusion experiment device in above-mentioned loose coal rock medium, it is characterized in that: the quantity of the valve on described the first connecting pipe is three, first valve is arranged on the link position place of the first connecting pipe and described constant-temperature oil tank, second valve is arranged on the exit of high-temperature pump, and described second valve is arranged on the link position place of the first connecting pipe and annular housing.
Radioactive radon diffusion experiment device in above-mentioned loose coal rock medium, is characterized in that: described intelligent temperature scan tester table is XMZ-J type the mathematical model instrument.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design and use easy and simple to handle.
2, the utility model is specially adapted to horizontal proliferation and the Adsorption law research of radioactive radon in coal body, a plurality of variablees of temperature, granularity and voidage that coal sample can be set are tested, meet different experiment demands, press close to greatest extent physical condition under coal mine, can more accurately simulate horizontal proliferation and the adsorption process of radioactive radon in mine, for the detection of spontaneous combustion of coal seam concealed fire position in mine provides certain theoretical direction.
3, the utility model easy installation and removal, processing and fabricating cost is low, is suitable for promoting the use of.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model charcoal absorption bag.
Description of reference numerals:
1-annular housing; 1-1-inner tube; 1-2-outer tube;
1-3-door; 2-uranium ore rest area; 3-sampling rod;
4-high-temperature pump; 5-casing; 6-separation net;
7-1-the first connecting pipe; 7-2-the second connecting pipe; 8-valve;
9-XMTD-6111 type Intelligent temperature controller table; 10-intelligent temperature scan tester table;
The 11-the first temperature sensor; 12-electric heating tube; 13-coal sample rest area;
14-charcoal absorption bag; 14-1-Furtulon high temperature cloth; 14-2-activated charcoal;
15-coal sample groove; 16-coal sample; 17-uranium ore.
Embodiment
As shown in Figure 1, the utility model comprises diffusion pipeline, the first connecting pipe 7-1, the second connecting pipe 7-2, constant-temperature oil tank, intelligent temperature scan tester table 10 and be arranged on the sampling rod 3 in described diffusion pipeline, one end sealing other end of described diffusion pipeline is provided with a 1-3, described diffusion pipeline comprises outer tube 1-2 and is arranged on the inner tube 1-1 in outer tube 1-2, space between described outer tube 1-2 and inner tube 1-1 forms annular housing 1, one end of described the first connecting pipe 7-1 is stretched in described constant-temperature oil tank, the other end of described the first connecting pipe 7-1 is connected with one end of annular housing 1, the other end of described annular housing 1 is connected with one end of the second connecting pipe 7-2, the other end of described the second connecting pipe 7-2 stretches in described constant-temperature oil tank, on described the first connecting pipe 7-1, high-temperature pump 4 is installed, on described the first connecting pipe 7-1 and the second connecting pipe 7-2, valve 8 is all installed, described sampling rod 3 is arranged in inner tube 1-1, on described sampling rod 3, charcoal absorption bag 14 is evenly installed, one end of the sampling rod 3 of close door 1-3 is provided with separation net 6, described separation net 6 is arranged in inner tube 1-1, the space forming between one side of described separation net 6 and inner tube 1-1 is coal sample rest area 13, the space forming between the opposite side of described separation net 6 and door 1-3 is uranium ore rest area 2, in described coal sample rest area 13, be provided with the first temperature sensor 11 of putting coal sample temperature for detection of its inside, described the first temperature sensor 11 is connected with the terminals of intelligent temperature scan tester table 10 by higher temperature line and shows institute's detected temperatures by intelligent temperature scan tester table 10.Wherein, separation net 6, for intercepting coal sample, prevents that coal sample from leaking outside; Valve 8 plays the effect of break-make pipeline.
As shown in Figure 1, coal sample groove 15 is also evenly installed on described sampling rod 3, described coal sample groove 15 is arranged near charcoal absorption bag 14 positions, can improve experimental precision.
As shown in Figure 1, described constant-temperature oil tank comprises casing 5, electric heating tube 12, the second temperature sensor 11 and XMTD-6111 type Intelligent temperature controller table 9, described the second temperature sensor 11 is arranged in casing 5 and for detection of the temperature of casing 5 interior oil, described the second temperature sensor 11 is connected with the input end of XMTD-6111 type Intelligent temperature controller table 9 by higher temperature line, described electric heating tube 12 is arranged in casing 5 and is connected with the output terminal of XMTD-6111 type Intelligent temperature controller table 9 by higher temperature line, one end of described the first connecting pipe 7-1 is stretched in casing 5, the other end of described the second connecting pipe 7-2 stretches in casing 5.
As shown in Figure 2, described charcoal absorption bag 14 is comprised of Furtulon high temperature cloth 14-1 and the activated charcoal 14-2 being wrapped in Furtulon high temperature cloth 14-1, Furtulon high temperature cloth 14-1 is high temperature resistant and good permeability, is beneficial to activated charcoal 14-2 Adsorption of Radioactive radon, and is suitable for using under mine.
As shown in Figure 1, the quantity of described the first temperature sensor 11 is a plurality of, and a plurality of the first temperature sensors 11 are evenly arranged in coal sample rest area 13, have improved temperature detection accuracy.
As shown in Figure 1, the quantity of the valve 8 on described the first connecting pipe 7-1 is three, first valve 8 is arranged on the link position place of the first connecting pipe 7-1 and described constant-temperature oil tank, second valve 8 is arranged on the exit of high-temperature pump 4, and described second valve 8 is arranged on the link position place of the first connecting pipe 7-1 and annular housing 1; The setting of a plurality of valves 8, is convenient to the break-make of high temperature oil.
In the present embodiment, described intelligent temperature scan tester table 10 is XMZ-J type the mathematical model instrument, is well positioned to meet experiment demand.
Principle of work of the present utility model is: charcoal absorption bag 14 use iron wires are evenly fixed on sampling rod 3, and by being from the close-by examples to those far off numbered from radon need distance, near each charcoal absorption bag 14, with iron wire 16, coal sample groove 15 is being fixed on sampling rod 3, and carry out corresponding numbering, then integral body is put into inner tube 1-1.Getting coal sample 16 to be measured packs in coal sample rest area 13, the first temperature sensor 11 is imbedded in coal sample 16 simultaneously, separation net 6 is placed on to sampling rod 3 one end, by the first connecting pipe 7-1, the second connecting pipe 7-2, high-temperature pump 4, will spreads pipeline with valve 8 and be connected with constant-temperature oil tank.Close all valves 8 in experimental provision, after utilizing electric heating tube 12 that the oil in casing 5 is heated to design temperature, keep constant temperature, open all valves 8, start high-temperature pump 4, high temperature oil circulates in device, heating coal sample, until coal sample temperature, reach after assigned temperature, open a 1-3, in uranium ore rest area 2, put into uranium ore 17, close a 1-3.After absorption certain hour, take out sampling rod 3, the coal sample in the activated charcoal 14-2 in charcoal absorption bag 14 and coal sample groove 15 is taken out, sealing is placed in special plastic bottle respectively, measures activated charcoal 14-2 and takes out the amount of adsorbing radon in coal sample.A plurality of variablees of temperature, granularity and voidage that coal sample can be set in experimentation, meet different experiment demands, press close to greatest extent physical condition under coal mine, simulate more accurately horizontal proliferation and the adsorption process of radioactive radon in mine.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (7)
1. radioactive radon diffusion experiment device in a loose coal rock medium, it is characterized in that: comprise diffusion pipeline, the first connecting pipe (7-1), the second connecting pipe (7-2), constant-temperature oil tank, intelligent temperature scan tester table (10) and be arranged on the sampling rod (3) in described diffusion pipeline, one end sealing other end of described diffusion pipeline is provided with door (1-3), described diffusion pipeline comprises outer tube (1-2) and is arranged on the inner tube (1-1) in outer tube (1-2), space between described outer tube (1-2) and inner tube (1-1) forms annular housing (1), one end of described the first connecting pipe (7-1) is stretched in described constant-temperature oil tank, the other end of described the first connecting pipe (7-1) is connected with one end of annular housing (1), the other end of described annular housing (1) is connected with one end of the second connecting pipe (7-2), the other end of described the second connecting pipe (7-2) stretches in described constant-temperature oil tank, high-temperature pump (4) is installed on described the first connecting pipe (7-1), on described the first connecting pipe (7-1) and the second connecting pipe (7-2), valve (8) is all installed, described sampling rod (3) is arranged in inner tube (1-1), charcoal absorption bag (14) is evenly installed on described sampling rod (3), one end of the sampling rod (3) of close door (1-3) is provided with separation net (6), described separation net (6) is arranged in inner tube (1-1), the space forming between one side of described separation net (6) and inner tube (1-1) is coal sample rest area (13), the space forming between the opposite side of described separation net (6) and door (1-3) is uranium ore rest area (2), in described coal sample rest area (13), be provided with the first temperature sensor (11) of putting coal sample temperature for detection of its inside, described the first temperature sensor (11) is connected with the terminals of intelligent temperature scan tester table (10) by higher temperature line and shows institute's detected temperatures by intelligent temperature scan tester table (10).
2. according to radioactive radon diffusion experiment device in loose coal rock medium claimed in claim 1, it is characterized in that: coal sample groove (15) is also evenly installed on described sampling rod (3), and described coal sample groove (15) is arranged near charcoal absorption bag (14) position.
3. according to radioactive radon diffusion experiment device in the loose coal rock medium described in claim 1 or 2, it is characterized in that: described constant-temperature oil tank comprises casing (5), electric heating tube (12), the second temperature sensor (11) and XMTD-6111 type Intelligent temperature controller table (9), described the second temperature sensor (11) is arranged in casing (5) and for detection of temperature oily in casing (5), described the second temperature sensor (11) is connected with the input end of XMTD-6111 type Intelligent temperature controller table (9) by higher temperature line, described electric heating tube (12) is arranged in casing (5) and is connected with the output terminal of XMTD-6111 type Intelligent temperature controller table (9) by higher temperature line, one end of described the first connecting pipe (7-1) is stretched in casing (5), the other end of described the second connecting pipe (7-2) stretches in casing (5).
4. according to radioactive radon diffusion experiment device in the loose coal rock medium described in claim 1 or 2, it is characterized in that: described charcoal absorption bag (14) is comprised of Furtulon high temperature cloth (14-1) and the activated charcoal (14-2) that is wrapped in Furtulon high temperature cloth (14-1).
5. according to radioactive radon diffusion experiment device in the loose coal rock medium described in claim 1 or 2, it is characterized in that: the quantity of described the first temperature sensor (11) is a plurality of, a plurality of the first temperature sensors (11) are evenly arranged in coal sample rest area (13).
6. according to radioactive radon diffusion experiment device in the loose coal rock medium described in claim 1 or 2, it is characterized in that: the quantity of the valve (8) on described the first connecting pipe (7-1) is three, first valve (8) is arranged on the link position place of the first connecting pipe (7-1) and described constant-temperature oil tank, second valve (8) is arranged on the exit of high-temperature pump (4), and described second valve (8) is arranged on the link position place of the first connecting pipe (7-1) and annular housing (1).
7. according to radioactive radon diffusion experiment device in the loose coal rock medium described in claim 1 or 2, it is characterized in that: described intelligent temperature scan tester table (10) is XMZ-J type the mathematical model instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287384.5U CN203870099U (en) | 2014-05-30 | 2014-05-30 | Diffusion experimental device of radioactive radon in loose coal and rock media |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287384.5U CN203870099U (en) | 2014-05-30 | 2014-05-30 | Diffusion experimental device of radioactive radon in loose coal and rock media |
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| Publication Number | Publication Date |
|---|---|
| CN203870099U true CN203870099U (en) | 2014-10-08 |
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| CN201420287384.5U Expired - Fee Related CN203870099U (en) | 2014-05-30 | 2014-05-30 | Diffusion experimental device of radioactive radon in loose coal and rock media |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510205A (en) * | 2016-01-13 | 2016-04-20 | 西安科技大学 | Collection device of migration parameters of radon in coal-rock mass porous media |
| CN105675813A (en) * | 2016-01-19 | 2016-06-15 | 太原理工大学 | Experiment device for simulating radon conveying performed by geogas |
| CN106932812A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京地质研究院 | A kind of precession hole drilling type active charcoal bag gamma-ray spectrometry surveys radon method |
| CN107527544A (en) * | 2017-09-29 | 2017-12-29 | 太原理工大学 | Underground coal spontaneous combustion carbon dioxide microvesicle is to radon handling process analogue means |
-
2014
- 2014-05-30 CN CN201420287384.5U patent/CN203870099U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932812A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京地质研究院 | A kind of precession hole drilling type active charcoal bag gamma-ray spectrometry surveys radon method |
| CN105510205A (en) * | 2016-01-13 | 2016-04-20 | 西安科技大学 | Collection device of migration parameters of radon in coal-rock mass porous media |
| CN105675813A (en) * | 2016-01-19 | 2016-06-15 | 太原理工大学 | Experiment device for simulating radon conveying performed by geogas |
| CN107527544A (en) * | 2017-09-29 | 2017-12-29 | 太原理工大学 | Underground coal spontaneous combustion carbon dioxide microvesicle is to radon handling process analogue means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150530 |
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| EXPY | Termination of patent right or utility model |