CN104932003A - A movable type mass-flow total-tritium rapid sampling apparatus - Google Patents
A movable type mass-flow total-tritium rapid sampling apparatus Download PDFInfo
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- CN104932003A CN104932003A CN201510393376.8A CN201510393376A CN104932003A CN 104932003 A CN104932003 A CN 104932003A CN 201510393376 A CN201510393376 A CN 201510393376A CN 104932003 A CN104932003 A CN 104932003A
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- tritium
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- flexible pipe
- air sampler
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Abstract
The invention provides a movable type mass-flow total-tritium rapid sampling apparatus, and belongs to the technical field of radiation protection and environment protection. The apparatus is box-shaped. An air sampler in the apparatus is arranged in the upper portion in the left side of a box body. The air sampler provides a total-tritium acquisition power. A catalysis heating furnace in the apparatus is positioned in the lower position in the left side in the box body. Total-tritium gases enter into the catalysis heating furnace through an aluminium alloy steel pipe, and is subjected to catalysis and then discharged into a condensation collector in the form of HTO. A low-temperature work room is arranged in the right side in the box body. A condensation collector is filled in the low-temperature work room. A compressor is arranged in the lower portion of the low-temperature work room. The condensation collector receives through a first flexible pipe tritiated water which has been subjected to catalysis, and the tritiated water cools to be a sample which can be subjected to analysis. The tritium tail gases are discharged into an atmosphere environment by the power provided by the air sampler. The apparatus of the invention can directly and rapidly acquire total-tritium in the air, and provide a rapid and convenient method for monitoring of total-tritium in an emergency work place and in smoke window discharging.
Description
Technical field
The invention belongs to radiation protection and environmental protection technical field, be specifically related to a kind of large discharge full tritium quick sampling device, be applicable to the monitoring of full tritium in workplace and smokestack discharge, be specially adapted to the emergency monitoring needed fast, large discharge is sampled.
Background technology
The nuclear facilities of the research and production of being engaged in tritium can discharge a certain amount of tritium to environment and workplace unavoidably, and the animal migration of tritium is very strong, its existence form mainly tritiated water steam (HTO) and tritiate molecular hydrogen (HT).At present, for the sampling of the full tritium in ambient atmosphere, the general provision of HJ/T22-1998 airborne radioactivity material sampling: with the sampling of low discharge (about 0.3L/min) long-time continuous, general collection period, at two weeks, cannot be implemented by the method in nuclear emergency monitoring.Chinese patent (the patent No.: 20121226) disclose a kind of tritium sampling thief that denomination of invention is " automatic control system of radioactivity Airborne Effluent emission monitoring and method ", belong to fixed on-line monitoring tritium equipment, its design concept adopts water to absorb, and easily causes sample concentration to dilute problem.
Summary of the invention
In order to overcome in prior art, in full tritium sampling, sampling flow is little, the cycle is long, catalytic efficiency is low,
Irremovable deficiency, the invention provides a kind of mobile high-flow full tritium quick sampling device.The present invention can directly tritium gas and tritiated water in Quick Acquisition air, simultaneously also for the monitoring of full tritium in emergency place and smokestack discharge provide a kind of fast, convenient method.
Realize technical scheme of the present invention as follows:
Mobile high-flow of the present invention full tritium quick sampling device, be characterized in, described device profile is casing shape, described device comprises air sampler, the integrated pad pasting control panel of air sampler, pagoda mouth II, the pagoda mouth IV of top, left side in casing, heating chamber, catalysis heating furnace, gauge tap, pipeline I, pipeline II, pagoda mouth I, the pagoda mouth III of below, left side in casing, low-temperature working room on the right side of in casing, condensing collector, compressor, the integrated pad pasting control panel in low-temperature working room, also comprise flexible pipe I, flexible pipe II.Its annexation is, is provided with the integrated pad pasting control panel of air sampler in described air sampler, and on the left of air sampler, right side is connected with pagoda mouth IV, pagoda mouth II respectively by pipeline.Described catalysis heating furnace internal fixtion is provided with heating chamber, and heating chamber bottom filling honeycomb substrate noble metal catalyst, the gauge tap of catalysis heating furnace is arranged on casing.Condensing collector, refrigerant are equipped with in described low-temperature working indoor, and bottom, low-temperature working room is provided with the compressor for controlling low-temperature working room temperature, and compressor surface is provided with the integrated pad pasting control panel in low-temperature working room.The lower end of described pipeline is connected with on the left of catalysis heating furnace, upper end is stretched out outside casing by pagoda mouth I, the lower end of pipeline II is connected with on the right side of catalysis heating furnace, and upper end is connected with one end of flexible pipe I by pagoda mouth III, and the other end of flexible pipe I is connected with condensing collector.Described air sampler is connected with one end of flexible pipe II by pagoda mouth III, and flexible pipe II other end is connected with condensing collector.The gauge tap of catalysis heating furnace is arranged on casing.
Described condensing collector is snakelike quartzy condenser pipe.
Described air sampler, sampling flow velocity is (70 ~ 100) L/min.
Described flexible pipe I, flexible pipe II adopt silica gel pressure pipe; The material of described pagoda mouth I, pagoda mouth III adopts aluminium alloy; Pagoda mouth II and pagoda mouth IV are 316L pipe.
Refrigerant in described low-temperature working room is ethanol.
Described heating chamber is intelligent temperature control electric furnace.
A kind of mobile high-flow of the present invention full tritium quick sampling device, based on the tritium (comprising tritium gas) of the non-water form in air, be oxidized to HTO form by honeycomb substrate noble metal catalyst, being cooled to through compressor with tritiated water steam in air subsequently can for the sample analyzed.
Gas flow path of the present invention is: in air, full tritium waste gas provides power to enter pagoda mouth I by air sampler, catalysis heating furnace is entered subsequently through piping I, discharge through piping II together with tritiated water in air with HTO form after full tritium catalysis, enter pagoda mouth III subsequently, enter condensing collector by flexible pipe I and be cooled to the sample that can supply to analyze.Tritium tail gas is extracted into air sampler through condensing collector one end by flexible pipe II, then is put in atmospheric environment by air sampler.
advantage of the present invention is:
Mobile high-flow of the present invention full tritium quick sampling device, catalytic oxidation and high efficiency cooling method can be integrated, the object of full tritium fast sampling in the environment can be reached, because its volume is little, conveniently moving, effectively can be applied to the collection of the full tritium sample of the full tritium collection of any environment and nuclear emergency environment and workplace.Mobile high-flow 70 ~ 100L/min of the present invention full tritium quick sampling device can complete sampling in 20 minutes, greatly reduced the sampling working time.
Mobile high-flow of the present invention full tritium quick sampling device, realize the full tritium directly collected in air, adopt honeycomb substrate noble metal catalyst that tritium gas in air is oxidized to HTO form, adopt ethanol as heat transmission medium, compressor cooling method collects tritiated water, sampling efficiency reaches 99.0%, solves and directly adopts water to cause sample concentration to dilute problem as absorbing agent.
Mobile high-flow of the present invention full tritium quick sampling device, cost is low, easily manufactures, easy to use, and labour intensity is low, and the cycle is short, efficiency is high, safe and reliable, practical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1. compressor 12. low-temperature working room, pagoda mouth I 2. pipeline I 3. heating chamber 4. catalysis heating furnace 5. gauge tap 6. pipeline II 7. pagoda mouth II 8. flexible pipe I 9. condensing collector 10. low-temperature working room 11. integrated pad pasting control panel 13. flexible pipe II 14. pagoda mouth III 15. air sampler 16. air sampler integrated pad pasting control panel 17. pagoda mouth IV.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1
Fig. 1 is structural representation of the present invention.In FIG, mobile high-flow of the present invention full tritium quick sampling device, described device profile is casing shape, described device comprises the air sampler 15 of top, left side in casing, the integrated pad pasting control panel 16 of air sampler, pagoda mouth II 7, pagoda mouth IV 17, the heating chamber 3 of below, left side in casing, catalysis heating furnace 4, gauge tap 5, pipeline I 2, pipeline II 6, pagoda mouth I 1, pagoda mouth III 14, the low-temperature working room 10 on right side in casing, condensing collector 9, compressor 11, the integrated pad pasting control panel 12 in low-temperature working room, also comprise flexible pipe I 8, flexible pipe II 13.Its annexation is, is provided with the integrated pad pasting control panel 16 of air sampler in described air sampler 15, and on the left of air sampler 15, right side is connected with pagoda mouth IV 17, pagoda mouth II 7 respectively by pipeline.Described catalysis heating furnace 4 internal fixtion is provided with heating chamber 3, heating chamber 3 bottom filling honeycomb substrate noble metal catalyst, and the gauge tap 5 of catalysis heating furnace 4 is arranged on casing; Described low-temperature working room 10 is built with condensing collector 9, refrigerant, and bottom, low-temperature working room 10 is provided with the compressor 11 for controlling low-temperature working room temperature, and compressor 11 surface is provided with the integrated pad pasting control panel 12 in low-temperature working room.The lower end of described pipeline I 2 is connected with on the left of catalysis heating furnace 4, upper end is stretched out outside casing by pagoda mouth I 1, the lower end of pipeline II 6 is connected with on the right side of catalysis heating furnace 4, and upper end is connected with one end of flexible pipe I 8 by pagoda mouth III 14, and the other end of flexible pipe I 8 is connected with condensing collector 9.Described air sampler 15 is connected with one end of flexible pipe II 13 by pagoda mouth III 14, and flexible pipe II 13 other end is connected with condensing collector 9.The gauge tap 5 of catalysis heating furnace 4 is arranged on casing.
In the present embodiment, flexible pipe I 8, flexible pipe II 13 are external diameter 16mm, the silica gel pressure pipe of wall thickness 5mm; Pagoda mouth I 1, pagoda mouth III 14 are external diameter 10mm, the aluminium-alloy pipe of wall thickness 2.0 mm, and pagoda mouth II 7 and pagoda mouth IV 17 are external diameter 3/8 inch, the 316L pipe of wall thickness 0.05 inch.
In the present embodiment, the refrigerant of low-temperature working room 10 is ethanol; Condensing collector 9 is snakelike quartzy condenser pipe; Heating chamber 3 is intelligent temperature control electric furnace, and the catalyzer of heating chamber 3 bottom filling is platinum honeycomb substrate.
In the present embodiment, sampling flow velocity is 70L/min.
In the present embodiment, low-temperature working room integrated pad pasting control panel 12, the integrated pad pasting control panel 16 of air sampler, setup control has the ability of a key manipulation completely.Sampling efficiency is high, and data are complete and accurately, overcome traditional extensive " about " completely and calculate.
The workflow of apparatus of the present invention: when tritium waste gas complete in air provides power to enter pagoda mouth I 1 by air sampler 15, catalysis heating furnace 4 is entered subsequently through piping I 2, discharge through piping II 6 together with tritiated water in air with HTO form after full tritium catalysis, enter pagoda mouth III 14 subsequently, enter condensing collector 9 by flexible pipe I 8 and be cooled to the sample that can supply to analyze.Tritium tail gas is extracted into air sampler 15 through condensing collector 9 one end by flexible pipe II 13, then is put in atmospheric environment by air sampler 15.
Embodiment 2
The present embodiment is identical with the structure of embodiment 1, and difference is, described air sampler, and sampling flow velocity is 100L/min.
The invention is not restricted to this embodiment, all can implement described in content of the present invention and there is described good result.
Claims (6)
1. a mobile high-flow full tritium quick sampling device, it is characterized in that: described device profile is casing shape, described device comprises the air sampler (15) of top, left side in casing, the integrated pad pasting control panel (16) of air sampler, pagoda mouth II (7), pagoda mouth IV (17), the heating chamber (3) of below, left side in casing, catalysis heating furnace (4), gauge tap (5), pipeline I (2), pipeline II (6), pagoda mouth I (1), pagoda mouth III (14), the low-temperature working room (10) on right side in casing, condensing collector (9), compressor (11), the integrated pad pasting control panel (12) in low-temperature working room, also comprise flexible pipe I (8), flexible pipe II (13), its annexation is, is provided with the integrated pad pasting control panel (16) of air sampler in described air sampler (15), and air sampler (15) left side, right side are connected with pagoda mouth IV (17), pagoda mouth II (7) respectively by pipeline, described catalysis heating furnace (4) internal fixtion is provided with heating chamber (3), heating chamber (3) bottom filling honeycomb substrate noble metal catalyst, and the gauge tap (5) of catalysis heating furnace (4) is arranged on casing, described low-temperature working room (10) is built with condensing collector (9), refrigerant, low-temperature working room (10) bottom is provided with the compressor (11) for controlling low-temperature working room temperature, and compressor (11) surface is provided with the integrated pad pasting control panel (12) in low-temperature working room, the lower end of described pipeline I (2) is connected with catalysis heating furnace (4) left side, upper end is stretched out outside casing by pagoda mouth I (1), the lower end of pipeline II (6) is connected with catalysis heating furnace (4) right side, upper end is connected with one end of flexible pipe I (8) by pagoda mouth III (14), and the other end of flexible pipe I (8) is connected with condensing collector (9), described air sampler (15) is connected by pagoda mouth III (14) one end with flexible pipe II (13), and flexible pipe II (13) other end is connected with condensing collector (9), the gauge tap (5) of catalysis heating furnace (4) is arranged on casing.
2. mobile high-flow according to claim 1 full tritium quick sampling device, is characterized in that: described condensing collector (9) is snakelike quartzy condenser pipe.
3. mobile high-flow according to claim 1 full tritium quick sampling device, is characterized in that: described air sampler, sampling flow velocity is 70 ~ 100L/min.
4. mobile high-flow according to claim 1 full tritium quick sampling device, is characterized in that: described flexible pipe I (8), flexible pipe II (13) adopt silica gel pressure pipe; The material of described pagoda mouth I (1), pagoda mouth III (14) adopts aluminium alloy; Pagoda mouth II (7) and pagoda mouth IV (17) are 316L pipe.
5. mobile high-flow according to claim 1 full tritium quick sampling device, is characterized in that: the refrigerant in described low-temperature working room (10) is ethanol.
6. mobile high-flow according to claim 1 full tritium quick sampling device, is characterized in that: described heating chamber (3) is intelligent temperature control electric furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393376.8A CN104932003A (en) | 2015-07-08 | 2015-07-08 | A movable type mass-flow total-tritium rapid sampling apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510393376.8A CN104932003A (en) | 2015-07-08 | 2015-07-08 | A movable type mass-flow total-tritium rapid sampling apparatus |
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| CN104932003A true CN104932003A (en) | 2015-09-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840766A (en) * | 2017-01-06 | 2017-06-13 | 中国工程物理研究院核物理与化学研究所 | A kind of sampling method for air tritiated water |
| CN114167486A (en) * | 2021-12-02 | 2022-03-11 | 中国工程物理研究院核物理与化学研究所 | Wearable tritium sampling device |
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| JP2006046927A (en) * | 2004-07-30 | 2006-02-16 | Tadokoro Denki System Kk | Tritium sampler |
| JP2010048764A (en) * | 2008-08-25 | 2010-03-04 | Mitsubishi Electric Corp | Tritium sampler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840766A (en) * | 2017-01-06 | 2017-06-13 | 中国工程物理研究院核物理与化学研究所 | A kind of sampling method for air tritiated water |
| CN114167486A (en) * | 2021-12-02 | 2022-03-11 | 中国工程物理研究院核物理与化学研究所 | Wearable tritium sampling device |
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Application publication date: 20150923 |
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