CN106323666A - Device for collecting C-14 in environment water - Google Patents
Device for collecting C-14 in environment water Download PDFInfo
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- CN106323666A CN106323666A CN201510369084.0A CN201510369084A CN106323666A CN 106323666 A CN106323666 A CN 106323666A CN 201510369084 A CN201510369084 A CN 201510369084A CN 106323666 A CN106323666 A CN 106323666A
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- water
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- pump
- capturing device
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Abstract
The invention discloses a device for collecting C-14 in environment water. The device comprises the following parts: a water tank, a water pump, an air pump, the rotor flowmeters, a first solenoid valve, a second solenoid valve, a bubbler equipped with alkali lye, and the connecting pipelines connected between parts. One end of the air pump is connected with the water tank through two paths of the rotors, the water pump is connected with the water tank through the first solenoid valve, the second solenoid valve is positioned on a water outlet at the bottom of the water tank; an air inlet of the bubbler is connected with the water tank, and an air outlet is connected with the other end of the air pump. The device for collecting C-14 in environment water has the advantages of high automation degree and accurate measurement, and can determine the C-14 content in water with high efficiency.
Description
Technical field
The present invention is a kind of to trap the device of inorganic C-14 in environment water, is mainly used in radiation environmental monitoring
Field, can trap DIC in water easily and efficiently, can be applicable to the pre-treatment of C-14 sample in Environmental Water
Flow process.Device uses inorganic C-14 in Bubbling method trapping water, by the disposable sample introduction of pumping for water pump, circulation drum
Gas, timing, collect alkali liquor after having trapped and bring back laboratory and prepare precipitation of calcium carbonate, it is simple to sample
Analyze measurement further.
Background technology
C-14 in water is to be entered ocean by atmosphere CO 2 by the exchange of Qihai interface and be dissolved in sea water, lake
Water, existence form mainly has dissolved inorganic carbon (DIC), dissolved organic carbon (DOC) and particulate organic matter (POC)
Three kinds, the overwhelming majority exists with DIC form.Owing in water, phosphorus content is relatively low, gather a C-14 sample
Water requirement may very big (tens of be raised to hundreds of liter), it is therefore necessary to carry out concentrating pre-treatment, shape when sampling
Become carbonate deposition.
The method forming carbonate deposition generally has two kinds, the sedimentation method and Bubbling method.The sedimentation method i.e. regulate water sample
PH value adds precipitant (CaCl2, BaCl2 or SrCl2) after being more than 10 and forms carbonate deposition.Bubbling method
It is first acidified water sample, then with noble gas, CO2 in water is blown out, the CO2 bloated with alkali liquor absorption, then to suction
Receive and liquid adds precipitant formation carbonate deposition.Although more complicated on Bubbling method surface, but the method is kept away
Exempt from the interference of other foreign ions in water, the purification trapping of carbon, it is simple to the accurate calculating of result.Therefore
Bubbling method is used to be analyzed as the pre-treating method of sample.
The most domestic do not have C-14 capturing device in relevant Environmental Water, needs laboratory oneself to set up.Relate to
To multiple problems such as the processing of reaction vessel, flow process airtight test, the stable chemistry response rate, therefore this
Bright establish C-14 capturing device in Environmental Water, it is simple to laboratory and on-the-spot C-14 in Environmental Water is carried out before
Process.
Summary of the invention
DIC in present invention application Bubbling method trapping water, have developed C-14 in the Environmental Water of a kind of integration and catches
Acquisition means.Device is mainly used in the pre-treatment that in Environmental Water, C-14 measures, effective trapping nothing therein
Machine C-14.
Technical scheme is as follows: C-14 capturing device in a kind of Environmental Water, described device includes
Such as lower component: water pot, water pump, air pump, spinner flowmeter, the first electromagnetic valve, the second electromagnetic valve, dress
The bubbler having alkali liquor and the connection pipeline connected between above-mentioned parts；One end of described air pump passes through two
Road spinner flowmeter connects water pot, and described water pump connects water pot, the second electromagnetic valve position by the first electromagnetic valve
On outlet bottom water pot；The air inlet of bubbler connects water pot, and gas outlet connects another of air pump
End.
Further, C-14 capturing device in Environmental Water as above, described device is also equipped with the time and continues
Electrical equipment, it is possible to achieve preset time closes air pump.
Further, C-14 capturing device in Environmental Water as above, described device farther includes front panel,
Described front panel is arranged above two glass rotameters, the time relay and four control respectively " power supply ",
" air pump ", " water inlet ", the button of " draining ", the middle part embedded part of described front panel can equipped with concatenation
4 bubblers of dismounting, facilitate user to exchange sample for.
Further, C-14 capturing device in Environmental Water as above, described device side leave water inlet,
Discharge outlet and supply hub, also the strip opening of a band volume graduation mark is to observe the sample in water pot
Capacity.
Further, C-14 capturing device in Environmental Water as above, the device back side is available key operated
Cabinet door, the upper strata within described device is placed with to be provided the air pump of circulation air-blowing and can disposably extract water
The water pump of sample, lower floor is water pot.
Further, C-14 capturing device in Environmental Water as above, described bottom of device is furnished with universal
Wheel.
Further, C-14 capturing device in Environmental Water as above, it is also equipped with above water pot manually
Three-way valve, for acid adding.
The present invention also provides for the capture method of C-14 capturing device, institute in a kind of Environmental Water as above
The method of stating comprises the steps:
1) pressing " power supply " switch, device is energized；
2) putting in sample water by the water inlet pipe of water pump, press " water inlet " button, electromagnetic valve is opened, pump working,
Sample enters water pot；When waterline to 50L, " water inlet " button of upspringing, stop water inlet；
3) open the manual three-way valve above water pot, after adding phosphoric acid, close rapidly valve, in case gas is excessive；
4) bubbler installing alkali liquor is screwed in interface；After checking that the connection of gas circuit, circuit is intact, time relay is set
The timing of device, presses " air pump " button, and supply recyclegas blows the CO2 in draining sample；Observe and inhale
Receive bubbling in bottle normal, illustrate that gas circuit is unobstructed；
5), after arriving timing, the time relay controls to close air pump, and air-blowing stops；Screw off bubbler, collect
Alkali liquor makes carbonate deposition；Pressing " draining " button, electromagnetic valve is opened, and water sample flows out；
6) before the trapping carrying out next sample, first extraction distilled water bubbling a period of time is to be carried out.
Automaticity of the present invention is high, measures accurately, can efficiently measure the C-14 content in water.
Accompanying drawing explanation
Fig. 1 be the present invention integrated environment water in DIC capturing device schematic diagram.
Fig. 2 (a), (b), (c) are respectively DIC capturing device material object in the integrated environment water of the present invention
The left side, front, right side structural representation.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Such as Fig. 1, shown in 2, device is mainly by water pot 1, water pump 2, air pump 3, spinner flowmeter 4, first
Electromagnetic valve the 5, second electromagnetic valve 6, equipped with the bubbler 7 of alkali liquor and connect the composition such as pipeline 8.
As it is shown in figure 1, after being disposably pumped in water pot by water pump by water sample, connect alkali liquor bubbler,
In water sample, add acid, close valve.Open air pump and be circulated air-blowing, can be by effusion meter regulation stream
Speed, after the CO2 produced is fully absorbed, closes air pump, collects alkali liquor bubbler, open drain valve.
It is equipped with electromagnetic valve, it is possible to achieve automatic feeding water and the function of draining before water inlet and draining.When device is also equipped with
Between relay 9, it is possible to achieve preset time close air pump, be automatically stopped the function of bubbling.
In integrated environment water, C-14 capturing device is in kind as shown in Fig. 2 (a), (b), (c), on front panel
Side is two glass rotameters 4, and the time relay 9 and four buttons 10 (" power supply ", " air pump ", " enter
Water ", " draining "), effusion meter can regulate and show gas flow rate, and the time relay can be arranged and show
Time, button can control to operate accordingly.Middle part embedded part is equipped with dismountable 4 bubblers of concatenation
(alkali liquor absorption bottle), facilitates user to exchange sample for.
Water inlet 11, discharge outlet 12 and supply hub 13, also a band volume markings are left in device side
The strip opening 14 of line is to observe the sample capacity in water pot.
The device back side is available key operated cabinet door, opens it can be seen that the gas circuit of instrument, circuit connect
Figure, in order to maintenance and inspection.Open bonnet, upper strata be placed with provide circulation air-blowing air pump and can be disposable
The water pump of extraction water sample, lower floor is reaction water pot, and water pot volume is 80L, can meet major part environment water
Sample size demand.
Integrated environment water is furnished with universal wheel 15, it is simple to use at the scene bottom C-14 capturing device, reduces
The absorption error that sampling brings with interval time of measurement length.
In the Environmental Water of the present invention, the concrete operations flow process of C-14 capturing device is:
1) pressing " power supply " switch, instrument is energized.
2) putting in sample water by water inlet pipe, press " water inlet " button, electromagnetic valve is opened, pump working, sample
Enter water pot.When waterline to 50L, " water inlet " button of upspringing, stop water inlet.
3) open the manual three-way valve above water pot, after adding phosphoric acid, close rapidly valve, in case gas is excessive.
4) absorption bottle installing alkali liquor is screwed in interface.After checking that the connection of gas circuit, circuit is intact, time relay is set
The timing (such as 180min) of device, presses " air pump " button, and supply recyclegas blows in draining sample
CO2.Observe bubbling in absorption bottle normal, illustrate that gas circuit is unobstructed.
5), after arriving timing, the time relay controls to close air pump, and air-blowing stops.Screw off absorption bottle, collect
Alkali liquor makes carbonate deposition.Pressing " draining " button, electromagnetic valve is opened, and water sample flows out.
6) before the trapping carrying out next sample, first extraction distilled water bubbling a period of time is to be carried out.
The flow set method of the present invention is as follows: in Environmental Water, C-14 capturing device uses and can circulate air-blowing
Air pump, the glass rotameter of 0～3.0L/min, point two-way bubbling, bubbling flow is 0～6.0L/min,
Continuously adjustabe.If flow is excessive, and in bubbler, alkali liquor is more, it is possible to is blown out by alkali liquor, therefore exists
Need before using first to have debugged the flow of coupling and alkali liquor volume.Suggestion bubbling flow setting value be 2.0～
3.0L/min (the most each flow is calculated as 1.0～1.5L/min), the alkali liquor volume in each bubbler is 150ml.
The arresting efficiency test of the present invention is as follows: adds 20g anhydrous Na2CO3 powder in water pot, connects electricity
Source, presses " water inlet " button, extracts redistilled water.When water sample is to 50L volume markings line, upsprings and " enter
Water " button.Screw in four bubblers, equipped with 2mol/L NaOH solution 150ml in the most each bubbler.
Open the valve 16 of acid adding, add phosphoric acid 200ml, close rapidly valve.Arranging the time relay time is
180min, presses " air pump " button, starts the cycle over air-blowing, and regulation effusion meter display flow is 1.0L/min.
After 180min, being automatically switched off air pump, bubbling stops.
Screw off bubbler, collect absorbing liquid, after NH4Cl regulation pH value, add CaCl2, make CaCO3
Precipitation.
Weighing after drying precipitation, CaCO3 mass has just obtained this device to water with the ratio of theoretical value (18.87g)
The arresting efficiency of middle DIC.Repeating three experiments, obtaining arresting efficiency average is 98.6%, it is believed that
DIC trapping in water is completely.
In the Environmental Water of the present invention, C-14 capturing device performance is as follows:
Bubbling flow: 0～6.0L/min, continuously adjustabe；
To the arresting efficiency of DIC in water: 98.6%；
Single pump configuration, can be automatically stopped by preset time；
Power supply: AC～220V；
Machine volume: 550mm × 550mm × 1400mm；
Complete machine weight: about 40kg.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
The spirit and scope of invention.So, if these amendments and modification to the present invention belong to right of the present invention
Require and within the scope of equivalent technology, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. C-14 capturing device in an Environmental Water, it is characterised in that described device includes such as lower component:
Water pot (1), water pump (2), air pump (3), spinner flowmeter (4), the first electromagnetic valve (5),
Second electromagnetic valve (6), equipped with the bubbler (7) of alkali liquor and between above-mentioned parts connect connecting tube
Line (8)；One end of described air pump (3) connects water pot (1) by two-way spinner flowmeter (4),
Described water pump (2) connects water pot (1) by the first electromagnetic valve (5), and the second electromagnetic valve is positioned at the bottom of water pot
On the outlet in portion；The air inlet of bubbler (7) connects water pot (1), and gas outlet connects air pump (3)
The other end.
2. C-14 capturing device in a kind of Environmental Water as claimed in claim 1, it is characterised in that institute
State device and be also equipped with the time relay (9), it is possible to achieve preset time closes air pump.
3. C-14 capturing device in a kind of Environmental Water as claimed in claim 1 or 2, it is characterised in that
Described device farther includes front panel, and described front panel is arranged above two glass rotameters (4),
The time relay (9) and four control " power supply ", " air pump ", " water inlet ", the button (10) of " draining " respectively,
The middle part embedded part of described front panel, equipped with dismountable 4 bubblers (7) of concatenation, facilitates user
Exchange sample for.
4. C-14 capturing device in a kind of Environmental Water as claimed in claim 3, it is characterised in that
Water inlet (11), discharge outlet (12) and supply hub (13) are left in described device side, and also one
The strip opening (14) of individual band volume graduation mark is to observe the sample capacity in water pot (1).
5. C-14 capturing device in a kind of Environmental Water as claimed in claim 3, it is characterised in that
The device back side is available key operated cabinet door, and the upper strata within described device is placed with offer circulation
The air pump (3) of air-blowing and can disposably extract the water pump (2) of water sample, lower floor is water pot (1).
6. C-14 capturing device in a kind of Environmental Water as claimed in claim 1 or 2, it is characterised in that
Described bottom of device is furnished with universal wheel (15).
7. C-14 capturing device in a kind of Environmental Water as claimed in claim 1 or 2, it is characterised in that
Water pot (1) top is also equipped with manual three-way valve (16), for acid adding.
8. the trapping of C-14 capturing device in the Environmental Water as described in claim 1-7 any one
Method, it is characterised in that: described method comprises the steps:
1) pressing " power supply " switch, device is energized；
2) putting in sample water by the water inlet pipe of water pump, press " water inlet " button, electromagnetic valve is opened, pump working,
Sample enters water pot；When waterline to 50L, " water inlet " button of upspringing, stop water inlet；
3) open the manual three-way valve (16) above water pot, after adding phosphoric acid, close rapidly valve, in case gas
Excessive；
4) bubbler (7) installing alkali liquor is screwed in interface；After checking that the connection of gas circuit, circuit is intact, when arranging
Between the timing of relay, press " air pump " button, supply recyclegas blows the CO2 in draining sample；
Observe bubbling in absorption bottle normal, illustrate that gas circuit is unobstructed；
5), after arriving timing, the time relay controls to close air pump, and air-blowing stops；Screw off bubbler, collect
Alkali liquor makes carbonate deposition；Pressing " draining " button, electromagnetic valve is opened, and water sample flows out；
6) before the trapping carrying out next sample, first extraction distilled water bubbling a period of time is to be carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369084.0A CN106323666A (en) | 2015-06-29 | 2015-06-29 | Device for collecting C-14 in environment water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369084.0A CN106323666A (en) | 2015-06-29 | 2015-06-29 | Device for collecting C-14 in environment water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106323666A true CN106323666A (en) | 2017-01-11 |
Family
ID=57723083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510369084.0A Pending CN106323666A (en) | 2015-06-29 | 2015-06-29 | Device for collecting C-14 in environment water |
Country Status (1)
| Country | Link |
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| CN (1) | CN106323666A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873049A (en) * | 2018-06-13 | 2018-11-23 | 清华大学 | In water14The system and method for C Radiochemical Separation |
| CN111856546A (en) * | 2020-06-23 | 2020-10-30 | 中国辐射防护研究院 | Sample preparation method for Cs-137 radiochemical analysis in marine organism ash |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415948A (en) * | 2002-12-16 | 2003-05-07 | 中国地质科学院水文地质环境地质研究所 | Sampling technique with use of vacuum degassing and air blowing method to determine 14C age of ground water as well as sampling system |
| CN2783322Y (en) * | 2005-04-22 | 2006-05-24 | 温平 | Air analysis device for water dissolved air sample |
| JP2008107244A (en) * | 2006-10-26 | 2008-05-08 | Horiba Advanced Techno Co Ltd | Method for measuring continuous type total organic carbon concentration, and device thereof |
| US20100212406A1 (en) * | 2009-02-25 | 2010-08-26 | Browne Bryant A | Collection of dissolved gases from groundwater |
| CN102928256A (en) * | 2012-11-20 | 2013-02-13 | 北京雪迪龙科技股份有限公司 | Water quality sampling device and water quality monitoring system employing same |
| CN203287283U (en) * | 2013-05-17 | 2013-11-13 | 中国科学院地球环境研究所 | High-speed and efficient tester capable of synchronously testing dissolved inorganic carbon and dissolved organic carbon |
| CN103713079A (en) * | 2013-12-30 | 2014-04-09 | 力合科技（湖南）股份有限公司 | On-line analysis method and instrument for SVOCs (semi-volatile organic compounds) in water |
| CN103961989A (en) * | 2014-04-23 | 2014-08-06 | 大连理工大学 | Bubbling type system for gathering carbon dioxide (CO2) by hydrate process |
-
2015
- 2015-06-29 CN CN201510369084.0A patent/CN106323666A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415948A (en) * | 2002-12-16 | 2003-05-07 | 中国地质科学院水文地质环境地质研究所 | Sampling technique with use of vacuum degassing and air blowing method to determine 14C age of ground water as well as sampling system |
| CN2783322Y (en) * | 2005-04-22 | 2006-05-24 | 温平 | Air analysis device for water dissolved air sample |
| JP2008107244A (en) * | 2006-10-26 | 2008-05-08 | Horiba Advanced Techno Co Ltd | Method for measuring continuous type total organic carbon concentration, and device thereof |
| US20100212406A1 (en) * | 2009-02-25 | 2010-08-26 | Browne Bryant A | Collection of dissolved gases from groundwater |
| CN102928256A (en) * | 2012-11-20 | 2013-02-13 | 北京雪迪龙科技股份有限公司 | Water quality sampling device and water quality monitoring system employing same |
| CN203287283U (en) * | 2013-05-17 | 2013-11-13 | 中国科学院地球环境研究所 | High-speed and efficient tester capable of synchronously testing dissolved inorganic carbon and dissolved organic carbon |
| CN103713079A (en) * | 2013-12-30 | 2014-04-09 | 力合科技（湖南）股份有限公司 | On-line analysis method and instrument for SVOCs (semi-volatile organic compounds) in water |
| CN103961989A (en) * | 2014-04-23 | 2014-08-06 | 大连理工大学 | Bubbling type system for gathering carbon dioxide (CO2) by hydrate process |
Non-Patent Citations (5)
| Title |
|---|
| 吴伯才等: "《船舶辅机》", 30 April 2014, 大连海事大学出版社 * |
| 庞传贵等: "《建筑工程各类水泵电气控制图集》", 30 November 2000, 中国水利水电出版社 * |
| 李斌等: "水中14C取样与测量方法的实验研究", 《四川环境》 * |
| 杨海兰等: "核电厂周围水和生物样品中14C的测定", 《中华放射医学与防护杂志》 * |
| 谷韶中: "生物样品中的14C的制样方法研究", 《辐射防护通讯》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873049A (en) * | 2018-06-13 | 2018-11-23 | 清华大学 | In water14The system and method for C Radiochemical Separation |
| CN111856546A (en) * | 2020-06-23 | 2020-10-30 | 中国辐射防护研究院 | Sample preparation method for Cs-137 radiochemical analysis in marine organism ash |
| CN111856546B (en) * | 2020-06-23 | 2022-07-29 | 中国辐射防护研究院 | Sample preparation method for radiochemical analysis of Cs-137 in marine organism ash |
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Application publication date: 20170111 |