CN108956749A - Radgas on-line detecting system, device and method - Google Patents
Radgas on-line detecting system, device and method Download PDFInfo
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- CN108956749A CN108956749A CN201810607924.6A CN201810607924A CN108956749A CN 108956749 A CN108956749 A CN 108956749A CN 201810607924 A CN201810607924 A CN 201810607924A CN 108956749 A CN108956749 A CN 108956749A
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- 238000000034 method Methods 0.000 title abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 49
- 238000004090 dissolution Methods 0.000 claims abstract description 41
- 238000000918 plasma mass spectrometry Methods 0.000 claims abstract description 28
- 230000002745 absorbent Effects 0.000 claims abstract description 3
- 239000002250 absorbent Substances 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 30
- 239000002253 acid Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 229920002678 cellulose Polymers 0.000 abstract description 2
- 239000001913 cellulose Substances 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 12
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000009616 inductively coupled plasma Methods 0.000 description 7
- 230000002285 radioactive effect Effects 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052768 actinide Inorganic materials 0.000 description 2
- 150000001255 actinides Chemical class 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000009298 Trigla lyra Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/17—Circuit arrangements not adapted to a particular type of detector
- G01T1/178—Circuit arrangements not adapted to a particular type of detector for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention discloses a kind of radgas on-line detecting systems, device and method.The radgas on-line detecting system, including the first solution absorption device, described first dissolves and absorbs the nucleic lyosoption that the useful radionuclide in dissolution radgas is accommodated in device；First enrichment facility, first enrichment facility are connected to the first solution absorption device, to receive the absorbent solution for having dissolved radionuclide in the first solution absorption device；And first inductivity coupled plasma mass spectrometry, first inductivity coupled plasma mass spectrometry is connected to first enrichment facility, to receive the sample introduction solution in first enrichment facility.Through the above scheme, it solves the problems, such as that nuclear facilities discharge gas center cellulose content is low to be difficult to measure, and artificial radionuclide activity and the content in nuclear facilities gaseous emissions can be obtained online, timely reaction process operating status and discharge abnormal conditions.
Description
Technical field
The invention belongs to wasted nickel catalyst technical field more particularly to a kind of radgas on-line detecting system, device and
Method.
Background technique
The gaseous emissions generated in nuclear facilities operational process have radioactivity, can be described as radgas, wherein containing
Artificial radionuclide (i.e. the activity of critical nuclide) belong to core security, object is paid close attention in facility operation, environment monitoring,
It is required according to state's laws code administration, the radioactive activity and critical nuclide of gaseous emissions should carry out quantitative analysis in time.
It is usual to the mode of the radioactive activity of gaseous emissions and critical nuclide quantitative analysis at present are as follows: using periodical manual sampling
And total ɑ, total β monitoring technology carry out radioassay.Manual sampling is sampled with filter membrane accumulation in continuous 24 hours, after placing 4 days
Total ɑ, total RNA rxtraction are carried out using disintegration method, but in this way, poor in timeliness, it is difficult to which discovery exhaust emissions is abnormal in time
Period and peak value, cannot reaction process operating status in time, and can not quick obtaining critical nuclide type and respective contain
Amount.
It would therefore be highly desirable to provide a kind of radgas on-line detecting system, simultaneously reaction process operating status is detected in time.
Summary of the invention
The object of the present invention is to provide a kind of radgas on-line detecting systems, device and method, existing to solve
There is the problem of radgas detection complex procedures, poor in timeliness of technology center facilities exhaust.
First aspect present invention provides a kind of radgas on-line detecting system, comprising:
Device is dissolved and absorbed for receiving and dissolving the first of radgas, described first dissolves and absorbs receiving in device
There is the nucleic lyosoption for dissolving radionuclide in radgas；
For the first enrichment facility for having dissolved the nucleic lyosoption of radionuclide and having formed sample introduction solution, institute to be concentrated
It states the first enrichment facility to be connected to the first solution absorption device, to receive the dissolution in the first solution absorption device
The absorbent solution of radionuclide；And
It is described for detecting the first inductivity coupled plasma mass spectrometry of the content of radionuclide in the sample introduction solution
First inductivity coupled plasma mass spectrometry is connected to first enrichment facility, to receive the sample introduction in first enrichment facility
Solution.
Preferably, it is described first solution absorption device include: the first dissolution bottle and for heat it is described dissolution bottle first
Heating device；
Preferably, the first solution absorption device further includes the first temperature for detecting the first dissolution bottle temperature
Detection device.
Preferably, the radgas on-line detecting system further include:
Device is dissolved and absorbed for receiving and dissolving the second of radgas, described second dissolves and absorbs receiving in device
There is the nucleic lyosoption for dissolving radionuclide, described second, which dissolves and absorbs device and described first, dissolves and absorbs device
Connection dissolves and absorbs the dissolved radgas of device by described first to receive, and carries out to received radgas
Secondary dissolution；
For the second concentration dress for having dissolved the nucleic lyosoption of radgas and having formed detection sample introduction solution to be concentrated
It sets, second enrichment facility is connected to the second solution absorption device, is dissolved and absorbed in device with receiving described second
Carry out secondary dissolved nucleic lyosoption；And
For detecting the second inductivity coupled plasma mass spectrometry of the content of the radionuclide of the detection sample introduction solution,
Second inductivity coupled plasma mass spectrometry is connected to second enrichment facility, to receive in second enrichment facility
Detect sample introduction solution.
Preferably, it is described second solution absorption device include: the second dissolution bottle and for heat it is described dissolution bottle second
Heating device；
Preferably, the second solution absorption device further includes the second temperature for detecting the second dissolution bottle temperature
Detection device.
Preferably, the radgas on-line detecting system further include: cleaning device, described first dissolves and absorbs device
It is connected to the cleaning device with the second solution absorption device.
Preferably, the cleaning device includes that filling, acid solution valve, clear water storage tank sending, Clean water valve, four-way are sent in acid solution storage
Valve, the first cleaning pump and the second cleaning pump,
The acid solution storage send filling to be connected to the acid solution valve, and the clear water storage tank sending is connected to the Clean water valve, institute
It states Clean water valve, the acid solution valve, the first cleaning pump and the second cleaning pump to be connected to the four-way valve, described first is clear
It washes pump to be connected to the first solution absorption device, second cleaning pump is connected to the second solution absorption device.
Preferably, the radgas on-line detecting system further include:
Device is dissolved and absorbed for receiving and dissolving the second of radgas, described second dissolves and absorbs receiving in device
There is the nucleic lyosoption for dissolving radionuclide in radgas, described second dissolves and absorbs device and described first
Device connection is dissolved and absorbed, dissolves and absorbs the dissolved radgas of device by described first to receive, and put to received
Penetrating property gas carries out secondary dissolution；
First enrichment facility is connected to the second solution absorption device, dissolves and absorbs device to receive described second
In the nucleic lyosoption for having dissolved the radionuclide.
Preferably, the radgas on-line detecting system further include:
Waste liquid device, for accommodating waste liquid, the waste liquid device is connected to first inductivity coupled plasma mass spectrometry.
Preferably, the radgas on-line detecting system further include: for conveying radgas to be detected
Gas provisioning component, the first solution absorption device is connected to the gas provisioning component, to receive the gas supply group
The radgas of part conveying, and the radionuclide in the radgas is dissolved in the nucleic lyosoption.
Preferably, the gas provisioning component includes the strainer valve, aspiration pump and flowmeter being sequentially communicated, the filtering
Valve has the air inlet entered for radgas to be detected.
Another aspect of the present invention provides a kind of radgas on-line measuring device, comprising: shell and provided by the invention
Radgas on-line detecting system, the radgas on-line detecting system are set in the shell；
Preferably, acid solution detection device is additionally provided in the shell.
Another aspect of the present invention also provides a kind of radgas online test method, comprising the following steps:
Radgas to be detected is passed through in nucleic lyosoption, by the radioactive nucleus in the radgas
Element is dissolved in the nucleic lyosoption, to obtain radionuclide solution；
To the radionuclide solution concentration, sample introduction solution is obtained；
The sample introduction solution is detected using inductivity coupled plasma mass spectrometry, to detect putting for the sample introduction solution
The content of penetrating property nucleic.
Compared with prior art, radgas on-line detecting system provided by the present application solves nuclear facilities discharge gas
Body center cellulose content is low to be difficult to the problem of measuring, and it is living to obtain the artificial radionuclide in nuclear facilities gaseous emissions online
Degree and content, timely reaction process operating status and discharge abnormal conditions.When Radionuclide analysis, carries out qualitative using java standard library and become
Gesture determines, and characterizes the factor using matched nucleic and effectively eliminate other interference, enhances the reliability of nucleic quantized data.It should
The highly sensitive method for detecting of critical nuclide in the application on site and gaseous emissions of technology while the ICP-MS that has, can the same time-division
Multiple element and its isotope are analysed, concentration of element reaches multiple orders of magnitude, and analysis speed is very fast, and real-time levels are high, automates journey
It spends higher.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram of the radgas on-line detecting system of one embodiment of the invention；
Fig. 2 is the first structural schematic diagram for dissolving and absorbing device in Fig. 1；
Fig. 3 is the schematic diagram of the radgas on-line detecting system of another embodiment of the present invention；
Fig. 4 is the structural schematic diagram of radgas on-line detecting system in Fig. 3.
In attached drawing:
10- gas provisioning component；11- strainer valve；12- aspiration pump；13- flowmeter；
20- first dissolves and absorbs device；21- first dissolves bottle；22- first heater；The first valve of 23-；
The first enrichment facility of 30-；
The first inductivity coupled plasma mass spectrometry of 40-；The first sampling pump of 41-；
50- second dissolves and absorbs device；51- second dissolves bottle；52- secondary heating mechanism；The second valve of 53-；
The second enrichment facility of 60-；
The second inductivity coupled plasma mass spectrometry of 70-；The second sampling pump of 71-；
80- cleaning device；81- acid solution stores up tank sending；82- acid solution valve；83- clear water stores up tank sending；84- Clean water valve；85- tetra-
Port valve；The first cleaning pump of 86-；The second cleaning pump of 87-；
90- waste liquid device；91- waste drains pump.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, many details are proposed, in order to provide complete understanding of the present invention.But to those skilled in the art
It will be apparent that the present invention can be implemented in the case where not needing some details in these details.Below to implementation
The description of example is used for the purpose of providing by showing example of the invention and better understanding of the invention.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Embodiment is described in detail below in conjunction with attached drawing.
Aiming at the problem that mentioning in the prior art, core of the invention thought is: first by radioactivity gas to be detected
Body, which is delivered in nucleic lyosoption, to be dissolved, and then nucleic lyosoption is concentrated to improve the dense of radionuclide
Degree, reaching ICP-MS, (Inductively coupled plasma mass spectrometry, refers to inductively coupled plasma body
The mass spectrographic meaning is usually made of ICP torch, interface arrangement, mass spectrograph) detection range of device, then use ICP-MS device
Carry out quantitative analysis.Wherein, dilute nitric acid solution usually can be used in nucleic lyosoption, can dissolve and carry in gas to be detected
Actinides and other radionuclides optimize actinides by adjusting the parameters such as concentration of nitric acid, temperature and gas flow rate
With the absorption efficiency of other radionuclides, achieve the purpose that quickly to analyze online.
Present embodiment provides a kind of radgas online test method first, comprising the following steps:
Radgas to be detected is passed through nucleic lyosoption, by the radionuclide in the radgas
It is dissolved in the nucleic lyosoption, and obtains radionuclide solution；(radionuclide solution described here i.e. molten
The nucleic lyosoption of radgas is solved)
To the radionuclide solution concentration, sample introduction solution is obtained；
The sample introduction solution is detected using inductivity coupled plasma mass spectrometry, to detect putting for the sample introduction solution
The content of penetrating property nucleic.
Mass spectrograph application on site in ICP-MS device is in many necks such as petrochemical industry, steel and iron industry, material, biological medicine
Domain has obtained extensive use, and measurement analysis is generally realized by the way of gaseous state sample introduction or liquid direct injected.And in core
When the radioactive gas nuclide of facility tests and analyzes, it is difficult to apply always, reason includes: the radioactive gas nuclide of nuclear facilities
Content be usually less than the detection limit of ICP-MS device, the detection of radgas direct injected is generally difficult to measure radioactive nucleus
The content of element.In consideration of it, inventors herein proposing above scheme, the radionuclide carried in radgas is dissolved in nucleic
In lyosoption, during dissolution, its dissolution rate can be improved by way of to the container auxiliary heating for accommodating nucleic lyosoption,
In addition improving and dissolving and absorbing the mode of efficiency further includes the parameters such as adjusting concentration of nitric acid, radgas flow velocity, and this is several
The mode that kind mode be combined with each other.Dissolution imports the first enrichment facility after completing and is further concentrated, and is sent into ICP-MS dress later
It sets and carries out radionuclide content measurement.
Through the above technical solutions, the artificial radionuclide activity in nuclear facilities gaseous emissions can be obtained in real time and contained
Amount, timely reaction process operating status and discharge abnormal conditions.When Radionuclide analysis, qualitative and trend is carried out using java standard library and is sentenced
It is fixed, and characterize the factor using matched nucleic and effectively eliminate other interference, enhance the reliability of nucleic quantized data.The technology
Simultaneously have ICP-MS application on site and gaseous emissions in critical nuclide highly sensitive method for detecting, can analyze simultaneously more
Kind of element and its isotope, concentration of element reach multiple orders of magnitude, and analysis speed is very fast, and real-time levels are high, the degree of automation compared with
It is high.
Based on above-mentioned radgas online test method, a kind of radgas is also provided in present embodiment and is examined online
Examining system shows the schematic diagram of radgas on-line detecting system in present embodiment in conjunction with Fig. 1, the radioactivity
Gas on-line detecting system includes: gas provisioning component 10, for conveying radgas to be detected；First dissolves and absorbs dress
20 are set, for accommodating nucleic lyosoption, the first solution absorption device 20 is connected to the gas provisioning component 10, to connect
By the radgas that the gas provisioning component 10 conveys, and the radionuclide in the radgas is dissolved in institute
It states in nucleic lyosoption；First enrichment facility 30, for the nucleic lyosoption for having dissolved the radionuclide to be concentrated, with
Sample introduction solution is formed, first enrichment facility 30 is connected to the first solution absorption device 20, molten to receive described first
Solve the nucleic lyosoption for having dissolved the radionuclide in absorption plant 20；And the first inductively coupled plasma constitution
Spectrum 40, the content of the radionuclide for detecting the sample introduction solution, first inductivity coupled plasma mass spectrometry 40 with
First enrichment facility 30 is connected to, to receive the sample introduction solution in first enrichment facility 30.Above scheme passes through gas
Provisioning component 10 and the first solution absorption device 20 realize the dissolution to radionuclide in radgas, further pass through
First enrichment facility 30 realize to nucleic lyosoption go it is molten be concentrated again, form and meet the first inductively coupled plasma constitution
The sample introduction solution that spectrum 40 requires.Whole system connection is close, convenient for the timely conversion of each workflow, is applied to nuclear facilities
In, artificial radionuclide activity and the content in nuclear facilities gaseous emissions can be reacted in time.It in the above scheme, can root
Gas provisioning component 10 is saved according to actual demand, that is to say, that gas provisioning component 10 is not the necessary parts for being this programme, it
It can also be replaced by other devices；When saving gas provisioning component 10, those skilled in the art are using the radgas
When on-line detecting system, directly a certain amount of radgas can be passed through in the first solution absorption device 20 and dissolved i.e.
It can.
Wherein, the generally optional film of the first enrichment facility 30 removes dissolving device, and certain those skilled in the art can also be practical
Design requirement selects similar device to replace film and removes dissolving device.For the first enrichment facility 30 be delivered to first inductive coupling etc. from
The process of daughter mass spectrum 40 can be by being arranged between the first inductivity coupled plasma mass spectrometry 40 and the first enrichment facility 30
The first sampling pump 41 on pipeline directly transports, can if being provided with pump body device in the first inductivity coupled plasma mass spectrometry
To save the first sampling pump 41.Further, for the ease of control liquid flowing, first enrichment facility 30 and described first molten
It is open and close to carry out breaking for control piper for settable first valve 23 between solution absorption plant 20.
Specifically, in the radgas on-line detecting system of above-mentioned offer, the gas provisioning component 10 include according to
Strainer valve 11, aspiration pump 12 and the flowmeter 13 of secondary connection, the strainer valve 11 have for radgas to be detected into
The air inlet entered.Strainer valve 11 can play the purpose to radgas filtering, thus ensuring steady air current property；Flowmeter 13 is used
In the flow of detection gas, consequently facilitating the dissolution of control radgas and the calculating of radionuclide amount.
In conjunction with Fig. 2, Fig. 2 shows be the first structural schematic diagram for dissolving and absorbing device 20 in Fig. 1；For the ease of controlling core
The temperature of plain lyosoption, specifically, the first solution absorption device 20 includes: the first dissolution bottle 21 and described for heating
Dissolve the first heater 22 of bottle 21；First heater 22 is coated on the outer surface setting of the first dissolution bottle 21, excellent
Selection of land, the first dissolution bottle 21 is cylindrical on the whole, and the first heater 22 coats the first dissolution 21 periphery of bottle
It is upper, and coated from the axial half of the first dissolution bottle 21 from the bottom of the first dissolution bottle 21.Further, in order to just
Color change, the liquid level etc. of solution in bottle 21 are dissolved in observation first, transparent bottle can be set by the first dissolution bottle 21, and
In first heater 22, observation window is set.
Preferably, the first solution absorption device 20 further includes for detecting in order to accurately grasp and control temperature
First temperature-detecting device (not shown) of the first dissolution 21 temperature of bottle.First temperature-detecting device can for thermometer,
The device of the arbitrarily measurable temperature such as temperature sensor.
In the above scheme, radgas is passed directly into the first solution absorption device 20 and is dissolved and absorbed, then from
Whether the gas being discharged in the first solution absorption device 20 has also retained radioactive element, and content is how many, for radioactivity
The measurement of radionuclide has vital effect in gas, if the gas being discharged from the first solution absorption device 20
The content of radionuclide is very low, then illustrates that radgas has obtained sufficiently dissolving in the first solution absorption device 20 and inhale
It receives, if the content of the radionuclide for the gas being discharged from the first solution absorption device 20 is higher, illustrates radgas
It is not dissolved and absorbed sufficiently in the first solution absorption device 20, then can dissolve and absorb device by adjusting temperature, first
The parameters such as dust technology concentration, gas flow improve solubility in 20, accurately measure to realize to radgas.
In order to detect the dissolution degree of radgas in the first solution absorption device 20, can directly be inhaled in the first dissolution
Detection device is arranged in the gas outlet of receiving apparatus 20, the following technical solution that present embodiment can also be taken to provide:
With continued reference to Fig. 1, the radgas on-line detecting system further include: described second dissolves and absorbs device 50,
For accommodating nucleic lyosoption, the second solution absorption device 50 is connected to the first solution absorption device 20, to connect
It receives and dissolves and absorbs the dissolved radgas of device 20 by described first, and received radgas is carried out secondary molten
Solution；Second enrichment facility 60, the secondary dissolved nucleic of carry out for being concentrated in the second solution absorption device 50 absorb
Solvent detects sample introduction solution to be formed, and second enrichment facility 60 is connected to the second solution absorption device 50, to receive
Described second dissolves and absorbs the secondary dissolved nucleic lyosoption of carry out in device 50；Second inductively coupled plasma constitution
Spectrum 70, the content of the radionuclide for detecting the detection sample introduction solution, second inductivity coupled plasma mass spectrometry
70 are connected to second enrichment facility 60, to receive the detection sample introduction solution in second enrichment facility 60.If by the
Two inductivity coupled plasma mass spectrometries 70 detect that radionuclide content is higher, then illustrate that first dissolves and absorbs device 20 to radioactivity gas
Body nucleic absorbs incomplete.
Device 50 is dissolved and absorbed for above-mentioned second, structure can be identical as the first solution absorption device 20, specifically, institute
Stating the second solution absorption device 50 includes: the second dissolution bottle 51 and the secondary heating mechanism 52 for heating the dissolution bottle 51；
Preferably, the second solution absorption device 50 further includes the second temperature detection for detecting the second dissolution 51 temperature of bottle
Device.It is combinable above for the specific setting of the second dissolution bottle 51, secondary heating mechanism 52 and second temperature detection device
First dissolves and absorbs the specific setting of device 20, and it will not be described here.
Further, it is not influenced by preceding one-shot measurement to guarantee to measure every time, radgas on-line checking system
System further include: cleaning device 80, described first dissolve and absorb device 20 and described second dissolve and absorb device 50 with it is described clear
Cleaning device 80 is connected to.Cleaning device 80 is used to clean first and dissolves and absorbs device 20 and all devices (including the downstream
One valve 23, the first enrichment facility 30, the first sampling pump 41, the first inductivity coupled plasma mass spectrometry 40 and relevant pipeline
Deng) and described second dissolve and absorb 50 downstream of device all devices (including the second valve 53, the second enrichment facility 60, second
Sampling pump 71, the second inductivity coupled plasma mass spectrometry 70 and relevant pipeline etc.).Specifically, the cleaning device 80 wraps
Include acid solution storage tank sending 81, acid solution valve 82, clear water storage tank sending 83, Clean water valve 84, four-way valve 85, the first cleaning pump 86 and the
Two cleaning pumps 87；The acid solution storage tank sending 81 is connected to the acid solution valve 82, the clear water storage tank sending 83 and the purge valve
Door 84 is connected to, and the Clean water valve 84, the acid solution valve 82, the first cleaning pump 86 and the second cleaning pump 87 are with described four
Port valve 85 is connected to, and first cleaning pump 86 is connected to the first solution absorption device 20, second cleaning pump 87 and institute
State the connection of the second solution absorption device 50.
Refering to fig. 1, the radgas on-line detecting system further include: waste liquid device 90, it is described for accommodating waste liquid
Waste liquid device 90 is connected to first inductivity coupled plasma mass spectrometry 40, if the second inductively coupled plasma constitution of setting
Spectrum 70, then can connect the second inductivity coupled plasma mass spectrometry 70 simultaneously.In addition, can be set in an inlet of waste liquid device 90
Waste drains pump 91 is set, the inlet of waste drains pump 91 is connected to the liquid outlet of the first valve 23 and the liquid outlet of the second valve 53, so as to
The waste liquid in device 20 and the second solution absorption device 50 is dissolved and absorbed using the suction of waste drains pump 91 first.And the first inductive coupling
Waste liquid in plasma mass 40 and the second inductivity coupled plasma mass spectrometry 70 can then flow directly into waste liquid device 90, nothing
The conveying that need to be pumped.Wherein, suitable NaOH solution can be accommodated in waste liquid device 90, to neutralize acid solution.
In order to simplify whole system, in another embodiment, detection first dissolves and absorbs radgas in device 20
Dissolution degree scheme it is as follows:
Refering to Fig. 3, the radgas on-line detecting system further include: described second dissolves and absorbs device 50, is used for
Nucleic lyosoption is accommodated, the second solution absorption device 50 is connected to the first solution absorption device 20, to receive quilt
Described first dissolves and absorbs the dissolved radgas of device 20, and carries out secondary dissolution to received radgas；Institute
It states the first enrichment facility 30 to be connected to the second solution absorption device 50, be dissolved and absorbed in device 50 with receiving described second
The nucleic lyosoption of the radionuclide is dissolved.The second concentration is omitted unlike aforementioned schemes, in this programme
Device 60, the second sampling pump 71, second inductivity coupled plasma mass spectrometry 70 these components.First inductively coupled plasma constitution
Spectrum 40 can be detected respectively the nucleic that first dissolves and absorbs in device 20 and be absorbed by the control of the first valve 23 and the second valve 53
Nucleic lyosoption in solvent and the second solution absorption device 50.In conjunction with Fig. 4, show that radgas exists in Fig. 3
The structural schematic diagram of line detection system, space layout are as shown in Figure 4, wherein the first sampling pump 41 uses peristaltic pump, with accurate
Control feed liquor flow.
A kind of radgas on-line measuring device is also provided in present embodiment again, comprising: shell and present embodiment
The radgas on-line detecting system of offer, the radgas on-line detecting system are set in the shell.Shell
Accommodation space is provided, for arranging radgas on-line detecting system, plays the effects of protection supports.Phase is set on shell
The hole answered, with import, import, exhaust outlet, the waste liquid port of clear water storage tank sending 83 etc. that acid solution storage tank sending 81 is arranged.
In order to monitor whether housing inner tube road occurs liquid leakage, acid solution detection device is additionally provided in the shell.It is main
It wants if any leakage, then to be easy to damage the components such as shell for detecting whether there is acid liquor leakage.Acid solution detection device tool
Body can be selected according to nucleic lyosoption used, can will be sour for example, if selecting dust technology as nucleic lyosoption
Liquid detection device is set as NO2Detection meter.
In the present embodiment, the first valve 23, the second valve 53, four-way valve 85 and acid solution valve 82 can be selected resistance to
Acidproof peristaltic pump can be selected in sour solenoid valve, the first sampling pump 41 and the second sampling pump 71 etc., to adapt to acidic environment, and it is accurate
Control flow.
In addition, the terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates may exist
Three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Separately
Outside, character "/" herein typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be understood that in embodiments of the present invention, " B corresponding with A " indicates that B is associated with A, B can be determined according to A.But
It should also be understood that determining that B is not meant to determine B only according to A according to A, B can also be determined according to A and/or other information.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (12)
1. a kind of radgas on-line detecting system characterized by comprising
First for receiving and dissolving radgas dissolves and absorbs device (20), and described first dissolves and absorbs in device (20)
Accommodate the nucleic lyosoption for dissolving radionuclide in radgas；
For the first enrichment facility (30) for having dissolved the nucleic lyosoption of radionuclide and having formed sample introduction solution, institute to be concentrated
It states the first enrichment facility (30) to be connected to first solution absorption device (20), dissolves and absorbs device to receive described first
(20) absorbent solution for having dissolved radionuclide in；And
It is described for detecting the first inductivity coupled plasma mass spectrometry (40) of the content of radionuclide in the sample introduction solution
First inductivity coupled plasma mass spectrometry (40) is connected to first enrichment facility (30), to receive first enrichment facility
(30) the sample introduction solution in.
2. radgas on-line detecting system according to claim 1, which is characterized in that described first dissolves and absorbs dress
Setting (20) includes: the first dissolution bottle (21) and the first heater (22) for heating dissolution bottle (21)；
Preferably, first solution absorption device (20) further includes first for detecting described first dissolution bottle (21) temperature
Temperature-detecting device.
3. radgas on-line detecting system according to claim 1, which is characterized in that the radgas is online
Detection system further include:
Second for receiving and dissolving radgas dissolves and absorbs device (50), and described second dissolves and absorbs in device (50)
The nucleic lyosoption for dissolving radionuclide is accommodated, described second dissolves and absorbs device (50) and first dissolution
Absorption plant (20) connection dissolves and absorbs device (20) dissolved radgas by described first to receive, and to reception
Radgas carry out secondary dissolution；
For the second enrichment facility for having dissolved the nucleic lyosoption of radgas and having formed detection sample introduction solution to be concentrated
(60), second enrichment facility (60) dissolves and absorbs device (50) with described second and is connected to, and is inhaled with receiving second dissolution
The secondary dissolved nucleic lyosoption of carry out in receiving apparatus (50)；And
For detecting the second inductivity coupled plasma mass spectrometry (70) of the content of the radionuclide of the detection sample introduction solution,
Second inductivity coupled plasma mass spectrometry (70) is connected to second enrichment facility (60), to receive second concentration
Detection sample introduction solution in device (60).
4. radgas on-line detecting system according to claim 3, which is characterized in that described second dissolves and absorbs dress
Setting (50) includes: the second dissolution bottle (51) and the secondary heating mechanism (52) for heating dissolution bottle (51)；
Preferably, second solution absorption device (50) further includes second for detecting described second dissolution bottle (51) temperature
Temperature-detecting device.
5. radgas on-line detecting system according to claim 3, which is characterized in that the radgas is online
Detection system further include: cleaning device (80), described first, which dissolves and absorbs device (20) and described second, dissolves and absorbs device
(50) it is connected to the cleaning device (80).
6. radgas on-line detecting system according to claim 5, which is characterized in that cleaning device (80) packet
It includes acid solution storage and send filling (81), acid solution valve (82), clear water storage tank sending (83), Clean water valve (84), four-way valve (85), the first cleaning
(86) and the second cleaning pump (87) are pumped,
The acid solution storage send filling (81) to be connected to the acid solution valve (82), clear water storage tank sending (83) and the Clean water valve
(84) it is connected to, the Clean water valve (84), the acid solution valve (82), the first cleaning pump (86) and the second cleaning pump (87) are equal
It being connected to the four-way valve (85), first cleaning pump (86) dissolves and absorbs device (20) with described first and is connected to, and described the
Two cleaning pumps (87) dissolve and absorb device (50) with described second and are connected to.
7. radgas on-line detecting system according to claim 1, which is characterized in that the radgas is online
Detection system further include:
Second for receiving and dissolving radgas dissolves and absorbs device (50), and described second dissolves and absorbs in device (50)
Accommodate the nucleic lyosoption for dissolving radionuclide in radgas, described second dissolve and absorb device (50) with
Described first dissolves and absorbs device (20) connection, dissolves and absorbs device (20) dissolved radioactivity gas by described first to receive
Body, and secondary dissolution is carried out to received radgas；
First enrichment facility (30) dissolves and absorbs device (50) with described second and is connected to, and is dissolved and absorbed with receiving described second
The nucleic lyosoption for having dissolved the radionuclide in device (50).
8. radgas on-line detecting system according to claim 1, which is characterized in that the radgas is online
Detection system further include:
Waste liquid device (90), for accommodating waste liquid, the waste liquid device (90) and first inductivity coupled plasma mass spectrometry
(40) it is connected to.
9. radgas on-line detecting system according to claim 1, which is characterized in that the radgas is online
Detection system further include: for conveying the gas provisioning component (10) of radgas to be detected, described first is dissolved and absorbed
Device (20) is connected to the gas provisioning component (10), to receive the radioactivity gas of gas provisioning component (10) conveying
Body, and the radionuclide in the radgas is dissolved in the nucleic lyosoption.
10. radgas on-line detecting system according to claim 9, which is characterized in that the gas provisioning component
(10) include the strainer valve (11), aspiration pump (12) and flowmeter (13) being sequentially communicated, the strainer valve (11) have for
The air inlet that the radgas of detection enters.
11. a kind of radgas on-line measuring device characterized by comprising shell and such as claim 1-10 are any one
Radgas on-line detecting system described in, the radgas on-line detecting system are set in the shell；
Preferably, acid solution detection device is additionally provided in the shell.
12. a kind of radgas online test method, which comprises the following steps:
Radgas to be detected is passed through in nucleic lyosoption, the radionuclide in the radgas is molten
Nucleic lyosoption described in Xie Yu, to obtain radionuclide solution；
To the radionuclide solution concentration, sample introduction solution is obtained；
The sample introduction solution is detected using inductivity coupled plasma mass spectrometry, to detect the radioactivity of the sample introduction solution
The content of nucleic.
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| CN201810607924.6A CN108956749A (en) | 2018-06-13 | 2018-06-13 | Radgas on-line detecting system, device and method |
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| CN109613592A (en) * | 2018-12-27 | 2019-04-12 | 中核四0四有限公司 | Gamma ray spectrometer system quickly measures dotted radioactive substance activity methods |
| CN110146914A (en) * | 2019-06-04 | 2019-08-20 | 上海怡星机电设备有限公司 | A kind of online activity meter and its method |
| CN110320332A (en) * | 2019-08-07 | 2019-10-11 | 欧阳烽 | A kind of balanced type exhaust gas on-line detecting system |
| CN111060357A (en) * | 2019-12-03 | 2020-04-24 | 国家核安保技术中心 | Online collection device and method for inorganic elements in gas |
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| CN109581472A (en) * | 2018-12-27 | 2019-04-05 | 中核四0四有限公司 | The selection of the spectrometer characteristic energy peak road CZT location range and determining method |
| CN109613592A (en) * | 2018-12-27 | 2019-04-12 | 中核四0四有限公司 | Gamma ray spectrometer system quickly measures dotted radioactive substance activity methods |
| CN109581472B (en) * | 2018-12-27 | 2023-07-14 | 中核四0四有限公司 | CZT spectrometer characteristic energy peak address range selection and determination method |
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| CN110320332A (en) * | 2019-08-07 | 2019-10-11 | 欧阳烽 | A kind of balanced type exhaust gas on-line detecting system |
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