CN107402170A - A kind of the radioaerosol continuous monitoring device and method of the corrosion of acid-resistance material - Google Patents
A kind of the radioaerosol continuous monitoring device and method of the corrosion of acid-resistance material Download PDFInfo
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- CN107402170A CN107402170A CN201610334525.8A CN201610334525A CN107402170A CN 107402170 A CN107402170 A CN 107402170A CN 201610334525 A CN201610334525 A CN 201610334525A CN 107402170 A CN107402170 A CN 107402170A
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- radioaerosol
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- 239000000463 material Substances 0.000 title claims abstract description 52
- 238000012806 monitoring device Methods 0.000 title claims abstract description 43
- 230000007797 corrosion Effects 0.000 title claims abstract description 33
- 238000005260 corrosion Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000443 aerosol Substances 0.000 claims abstract description 95
- 238000005070 sampling Methods 0.000 claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000007664 blowing Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 230000002000 scavenging effect Effects 0.000 claims abstract description 12
- 230000007717 exclusion Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 17
- 238000010926 purge Methods 0.000 claims description 14
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 11
- 230000002378 acidificating effect Effects 0.000 description 7
- 239000003292 glue Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000941 radioactive substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
-
- 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
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
Abstract
The invention discloses the radioaerosol continuous monitoring device and method of a kind of acid-resistance material corrosion, the monitoring device includes sampling mechanism, aerosol detection mechanism and aspiration pump, sampling mechanism includes sampling line, the filter paper being located on sampling line path and the paper advance mechanism for controlling filter paper to be moved to aerosol detection mechanism, the outlet of sampling line and is connected with aspiration pump；The front end of sampling line is provided with aerosol sampling dehydrating unit, and the sampling line between aerosol sampling dehydrating unit and filter paper is provided with the first valve；Also include gas blowing mechanism, the sampling line between the scavenging pipeline of gas blowing mechanism and the first valve and filter paper connects, and scavenging pipeline is provided with the second valve；Second valve and the first valve mutual exclusion valve each other；It is provided separately between aerosol detection device and the sample point of sampling mechanism according to pre-determined distance.Using monitoring device provided by the present invention and method, it can effectively extend the service life of aerosol detection device, reduce monitoring spending.
Description
Technical field
The present invention relates to Radiation Protection Monitoring technical field, and in particular to a kind of acid-resistance material corrosion is put
Penetrating property aerosol continuous monitoring device and method.
Background technology
Radioactivity gas is inevitably released or revealed in nuclear facilities running to environment, workplace etc.
Colloidal sol, for monitoring nuclear facilities, whether exception or nuclear facilities are also up being required for carrying out nuclear facilities
The continuous monitoring of radioaerosol, because the airborne radioactivity material during these can contain acidic materials,
The systems such as easy corrosion detective, nuclear facilities monitors typical detector and damages the time in 1-2 under such environment
In month, partial picture a couple of days even less than 1 day detector will be damaged, and the Radiation monitoring of such facility is visited
The survey device life-span uses typical life 2 to 5 years well below conventional environment detector, if visited using changing
Survey device mode and realize monitoring, being then often only detector renewal cost for this may up to necessarily per facility；Though
So external detector with certain acid-resistance material, it is that some performance improvements have been done to material for detector,
But it compares the expensive several times of conventional detector and technology and patent be not to the deficiencies of country's offer so that nuclear energy
Development cost greatly increases and is difficult to ensure that nuclear facilities safety, protection staff and environment.It is necessary for this
Having a kind of can effectively extend monitoring device of the detector in such environment service life.
The content of the invention
For defect present in prior art, it is an object of the invention to provide one kind effectively to extend
The radioaerosol continuous monitoring device of the acid-resistance material corrosion of aerosol detection device service life and side
Method.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of radioaerosol continuous monitoring device of acid-resistance material corrosion, including sampling mechanism, gas
Colloidal sol detection agency and aspiration pump, the sampling mechanism include sampling line, are located on sampling line path
Filter paper for deposited activity aerosol and the paper feed for controlling filter paper to be moved to aerosol detection mechanism
Mechanism, the outlet of sampling line are connected with aspiration pump；The aerosol detection mechanism includes aerosol detection
Device；The front end of the sampling line is provided with aerosol sampling dehydrating unit, aerosol sampling dehydrating unit with
Sampling line between filter paper is provided with the first valve；
Also include gas blowing mechanism, the gas blowing mechanism include air cleaner and with air mistake
The scavenging pipeline of filter connection, the sampling line between scavenging pipeline and the first valve and filter paper are connected, blown
Sweep pipeline and be provided with the second valve；Second valve and the first valve mutual exclusion valve each other；
It is provided separately between the sample point of the aerosol detection device and sampling mechanism according to pre-determined distance.
Further, the radioaerosol continuous monitoring device of a kind of acid-resistance material corrosion as described above,
Also include the aspectant negative pressure mechanism of detection for being arranged on aerosol detection device, carry out radioaerosol
Measurement when, filter paper is between negative pressure mechanism and aerosol detection device.
Further, the radioaerosol continuous monitoring device of a kind of acid-resistance material corrosion as described above,
The negative pressure mechanism includes negative pressure line and the negative pressure pump being connected with negative pressure line, and negative pressure line, which is provided with, to be used
In the 3rd valve of regulation negative pressure pressure.
Further, the radioaerosol continuous monitoring device of a kind of acid-resistance material corrosion as described above,
The negative pressure pump is the aspiration pump, and the sampling line between the negative pressure line and filter paper and aspiration pump connects
It is logical.
Further, the radioaerosol continuous monitoring device of a kind of acid-resistance material corrosion as described above,
Covered with thin film on the test surface of the aerosol detection device.
Further, the radioaerosol continuous monitoring device of a kind of acid-resistance material corrosion as described above,
Also include being used for the auxiliary blowing mechanism for purging the test surface of aerosol detection device.
Further, the radioaerosol continuous monitoring device of a kind of acid-resistance material corrosion as described above,
The radioaerosol continuous monitoring device is arranged in vacuum chamber.
A kind of acid-resistance of the radioaerosol continuous monitoring device corroded based on above-mentioned acid-resistance material
The radioaerosol continuous monitoring method of material corrosion, comprises the following steps：
(1) aspiration pump, the first valve and the 3rd valve are opened, the second valve is closed, is entered by sampling line
The airborne radioactivity material for being loaded with radioaerosol of mouth entrance is removed by aerosol sampling dehydrating unit
Reach filter paper after wet deacidification, the radioaerosol in airborne radioactivity material is deposited on filter paper；
(2) the first valve is closed, opens the second valve, the air after air cleaner filters is by blowing
Sweep pipeline and enter sampling line, air draught purges to the sour gas around filter paper；
(3) paper advance mechanism is opened, paper advance mechanism controls filter paper to be moved to aerosol detection mechanism, makes filter paper
The lower section of aerosol detection device is reached, the radioactivity gas to being deposited on filter paper is completed by aerosol detection device
The measurement of colloidal sol.
Further, the radioaerosol continuous monitoring method of a kind of acid-resistance material corrosion as described above,
When radioaerosol continuous monitoring device also includes being arranged on the aspectant negative pressure of aerosol detection device detection
During mechanism, in step (3), when filter paper reaches the lower section of aerosol detection device, filter paper is located at negative pressure mechanism
Between aerosol detection device, negative pressure mechanism provides negative pressure, reduces the sour gas on filter paper to aerosol
The volatilization of detector test surface.
Further, the radioaerosol continuous monitoring method of a kind of acid-resistance material corrosion as described above,
When radioaerosol continuous monitoring device also includes being used to purge the test surface of aerosol detection device
Auxiliary blowing mechanism, in step (3), when filter paper reaches the lower section of aerosol detection device, auxiliary purging
Mechanism purges to aerosol detection device, reduces volatilization of the sour gas to detector test surface.
The beneficial effects of the present invention are：Radioaerosol continuous monitoring device provided by the present invention and
Method, the service life of radioaerosol detector is effectively extended, under the conditions of solving acidic materials
The problem of the measurement of airborne radioactivity material measurement, monitoring spending is reduced, is carried for the safety of staff
Supply to ensure.
Brief description of the drawings
Fig. 1 is that a kind of radioactivity gas of the acid-resistance material corrosion provided in the specific embodiment of the invention is molten
The structural representation of glue continuous monitoring device；
Fig. 2 is sampling mechanism and the part-structure schematic diagram of aerosol detection mechanism in Fig. 1；
Fig. 3 is that a kind of radioactivity gas of the acid-resistance material corrosion provided in the specific embodiment of the invention is molten
The flow chart of glue continuous monitoring method.
Embodiment
With reference to Figure of description, the present invention is described in further detail with embodiment.
Fig. 1 shows a kind of radioactivity of the acid-resistance material corrosion provided in the specific embodiment of the invention
The structural representation of aerosol continuous monitoring device, as shown in FIG., the continuous monitoring device include sampling
Mechanism, aerosol detection mechanism and aspiration pump 1, wherein, the sampling mechanism includes sampling line 2, set
For the filter paper 3 of deposited activity aerosol and for controlling filter paper 3 to gas on the path of sampling line 2
The paper advance mechanism of colloidal sol detection agency movement, the outlet of sampling line 2 is connected with aspiration pump 1；The gas
Colloidal sol detection agency includes aerosol detection device 4；Wherein, it is molten to be provided with gas for the front end of the sampling line 2
Glue samples dehydrating unit 5, and the sampling line between aerosol sampling dehydrating unit 5 and filter paper 3 is provided with
First valve 6；The monitoring device also includes gas blowing mechanism, and the gas blowing mechanism includes air
Filter 7, the scavenging pipeline 9 being connected with air cleaner 7, the valve 6 of scavenging pipeline 9 and first and filter
Sampling line connection (scavenging pipeline connects with the sampling line above filter paper) between paper 3, scavenging pipeline
9 are provided with the second valve 8；Second valve 8 and the first valve 6 mutual exclusion valve each other；The aerosol is visited
Survey between device 4 and the sample point of sampling mechanism and be provided separately according to pre-determined distance.
Above-mentioned continuous monitoring device provided in present embodiment, at work, it is first turned on the first valve
Door 6, the second valve 8 is closed, carry out the sampling of radioaerosol, sampling detailed process is：Aspiration pump
The 1 sampling power for providing whole monitoring device, so that it is guaranteed that being loaded with the airborne of radioaerosol
Radioactive substance is entered in sampling line 2, and the airborne radioactivity material enters by sampling line 2
After entrance enters, carried out first via positioned at sampling line front end aerosol sampling dehydrating unit 5 at dehumidifying
Reason, to reduce the possibility of the sour environment of acidic materials formation, aerosol sampling dehydrating unit 5 is simultaneously
The effect of dehumidifying deacidification is served, the airborne radioactivity material after the deacidification treatment that dehumidifies reaches filter paper 3
Afterwards, radioaerosol therein is deposited on filter paper 3, realizes the sampling to radioaerosol；It is complete
Into after sampling, the first valve 6 is closed, the second valve 8 is opened, pollution-free cleaning is introduced by blowing mechanism
Gas (preferably pollution-free clean air) carries out the short time to acidic materials that may be present on filter paper 3
Purging, it is acid when the radioaerosol deposited with reducing aerosol detection device 4 to filter paper 3 detects
Material damages to caused by detector, and the power of blowing mechanism is also to be provided by aspiration pump 1, purging when
Between can be set according to being actually needed；It is molten to gas from paper advance mechanism control filter paper 3 after completing purging
The aerosol detection device 4 of glue detection agency moves, and arrow C show the page orientation of paper advance mechanism in figure,
After filter paper is moved to the lower section of aerosol detection device 4, complete to sink on filter paper 3 by aerosol detection device 4
The detection of product radioaerosol.Wherein, the direction of the air inlet of sampling line 2 preferably with airborne radiation
Property substance air flow direction in opposite direction, in order to sample, as shown in fig. 1, arrow A show into
Gas direction (airintake direction and air inlet are in opposite direction), arrow B show the air-flow of airborne radioactivity material
Direction.
Certainly, the monitoring device also includes the gas exhaust piping being connected with aspiration pump 1, into sampling line 2
Gas (gas that the gas that is introduced during sampling, blowing mechanism introduce etc.) discharged via gas exhaust piping,
The direction of arrow of sampling line is the trend into the gas of sampling line in Fig. 1, and arrow F is exhaust
The trend of gas in pipeline.
As seen from Figure 1, the sampling mechanism and aerosol of the monitoring device provided in present embodiment
Detection agency is separately positioned, as shown in Fig. 2 the sample point of aerosol detection device 4 and sampling mechanism
Pre-determined distance between (position during sampling where filter paper 3) can be configured according to being actually needed,
It is separately positioned with detection by sampling, for acidic materials that may be present in the sample to be detected after sampling
More fully volatilize time and space are provided, damage during so as to lower detection to detector.Arrow in Fig. 2
Head direction is the page orientation of paper advance mechanism.
In present embodiment, the aerosol sampling dehydrating unit 5 uses existing dehydrating unit,
Such as can be using the aerosol sampling dehydrating unit disclosed in Patent No. 201420548826.7.
In present embodiment, the monitoring device can also include being arranged on the end of probe of aerosol detection device 4
The negative pressure mechanism on the opposite in face, when carrying out the measurement of radioaerosol, filter paper 3 is located at negative pressure mechanism
Between aerosol detection device 4.As shown in figure 1, the negative pressure mechanism includes negative pressure line 10 and with bearing
The negative pressure pump that pressure pipe road 10 connects, negative pressure line 10 are provided with the 3rd valve for being used for adjusting negative pressure pressure
11.Negative pressure pump is used to produce negative pressure, and the pressure of negative pressure is it is ensured that the sample to be detected that will not be damaged on filter paper 3
Product, while should ensure that and effectively drop in sample to be detected acidic materials that may be present to aerosol detection device 4
Test surface volatilization, control can be adjusted by the 3rd valve 11 in the pressure of negative pressure, generally optional
50Pa to 2000Pa.
The negative pressure pump can select the pump housing different from aspiration pump, can also use the aspiration pump 1,
In present embodiment, negative pressure pump is preferably aspiration pump 1, now, the negative pressure line 10 and filter paper 3 with
Sampling line connection between aspiration pump 1.In Fig. 1, the direction shown in arrow D is the direction of negative pressure.
In order to preferably protect aerosol detection device 4, may be used also on the test surface of the aerosol detection device 4
Can be according to radioactive substance in radioaerosol to be detected with the thickness covered with thin film, film
Ray characteristics determine, it is usually preferred to thickness uniformly, thickness be less than 10ug/cm3Film.
In present embodiment, the monitoring device can also include being used for the test surface to aerosol detection device 4
The auxiliary blowing mechanism 12 purged, as shown in figure 1, the auxiliary blowing mechanism 12 can be adopted directly
Realized with fan, arrow E show the wind direction of fan, and the acidity near detector surface is drawn by fan
Gas, reduce the corrosion to detector.Preferably, wind direction and the institute of negative pressure mechanism of blowing mechanism 12 are aided in
The negative pressure direction of offer is misaligned.
In addition to each several part shown in Fig. 1, the monitoring device is general when also including aerosol monitoring to put
Penetrating property form, as aerosol detection device 4 result of detection by preceding putting, master put, at multiple tracks, computer
After reason, final measurement is included on the display screen for the treatment of in situ data system, data processing is preferred
ISO-11929 methods, while the preferred TCP/IP telecommunication for supporting LAN/WAN and data transfer,
RS-232, the communication of 485 remote data transmissions etc..The also settable alarm threshold value of monitoring device, and acousto-optic
Warning device；Two or more alarm threshold values are preferably provided with, when the radioaerosol detected
Concentration can sound and light alarm when exceeding alarm threshold value.
In order to ensure the security of monitoring process, the radioaerosol continuous monitoring device is arranged at very
In empty room.
Fig. 3 shows one based on the radioaerosol continuous monitoring device provided in present embodiment
The flow chart of the radioaerosol continuous monitoring method of kind acid-resistance material corrosion, as can be seen from Figure
This method mainly includes following steps：
Step S1：The sampling of radioaerosol is carried out by sampling mechanism, dehumidifying deacidification is carried out to sample
The radioaerosol in sample is set to be deposited on filter paper afterwards；
Step S2：The sour gas around filter paper is purged by blowing mechanism；
Step S3：The lower section of aerosol detection device, aerosol detection are moved to by paper advance mechanism control filter paper
Device completes the detection to radioaerosol.
Sample pumping air pump, the first valve and the 3rd valve are first turned on, the second valve is closed, by sampling
Pumping air pump provides power, the airborne radiation for being loaded with radioaerosol entered by sampling line entrance
Property material by aerosol sampling dehydrating unit dehumidify deacidification after reach filter paper at enter sampling line, it is airborne
Radioaerosol in radioactive substance is deposited on filter paper, completes the sampling of radioaerosol,
The first valve is closed afterwards, opens the second valve, and the cleaned air after air cleaner filters enters
Scavenging pipeline, the sampling line entered afterwards between the first valve and filter paper, air draught are completed to filter
The purging on paper surface, sour gas existing for purging filter paper peripheral region, after completing purging, open paper feed
Mechanism, paper advance mechanism control filter paper to be moved to aerosol detection mechanism, filter paper is reached aerosol detection device
Lower section after stop, by aerosol detection device complete to the measurement of the radioaerosol deposited on filter paper.
When radioaerosol continuous monitoring device also pair including being arranged on aerosol detection device detection end face
During the negative pressure mechanism in face, reach the lower section of aerosol detection device in filter paper and be located at negative pressure mechanism and aerosol
When between detector, negative pressure mechanism can provide negative pressure, be reduced when aerosol detection device detects on filter paper
Volatilization of the sour gas to aerosol detection device test surface.
When radioaerosol continuous monitoring device also includes being used to carry out the test surface of aerosol detection device
During the auxiliary blowing mechanism of purging, when filter paper reaches the lower section of aerosol detection device, blowing mechanism is aided in
Region near aerosol detection device is purged, reduces volatilization of the sour gas to detector test surface.
Using radioaerosol continuous monitoring device provided by the present invention and method, acid can be effectively reduced
Property material formation and the acidic materials corrosion and damage to caused by aerosol detection device, extend aerosol visit
The service life of device is surveyed, reduces the cost of aerosol monitoring, the safety for protection relevant staff provides
Ensure.
Obviously, those skilled in the art can carry out various changes and modification without departing from this to the present invention
The spirit and scope of invention.So, if these modifications and variations of the present invention belong to right of the present invention and wanted
Ask and its equivalent technology within the scope of, then the present invention be also intended to comprising these change and modification including.
Claims (10)
1. a kind of radioaerosol continuous monitoring device of acid-resistance material corrosion, including sampling mechanism,
Aerosol detection mechanism and aspiration pump (1), the sampling mechanism include sampling line (2), are located at sampling
On pipeline (2) path for deposited activity aerosol filter paper (3) and for control filter paper (3) to
The paper advance mechanism of aerosol detection mechanism movement, the outlet of sampling line (2) is connected with aspiration pump (1)；
The aerosol detection mechanism includes aerosol detection device (4)；It is characterized in that：The sampling line (2)
Front end be provided with aerosol sampling dehydrating unit (5), aerosol sampling dehydrating unit (5) and filter paper (3)
Between sampling line be provided with the first valve (6)；
Also include gas blowing mechanism, the gas blowing mechanism include air cleaner (7) and with sky
The scavenging pipeline (9) of air filter (7) connection, scavenging pipeline (9) and the first valve (6) and filter paper
(3) the sampling line connection between, scavenging pipeline (9) are provided with the second valve (8)；Second valve
(8) with the first valve (6) mutual exclusion valve each other；
The aerosol detection device (4) is provided separately between the sample point of sampling mechanism according to pre-determined distance.
A kind of 2. radioaerosol continuous monitoring of acid-resistance material corrosion according to claim 1
Device, it is characterised in that：Also include the aspectant Negative pressure machine of detection for being arranged on aerosol detection device (4)
Structure, when carrying out the measurement of radioaerosol, filter paper (3) is located at negative pressure mechanism and aerosol detection device
(4) between.
A kind of 3. radioaerosol continuous monitoring of acid-resistance material corrosion according to claim 2
Device, it is characterised in that：The negative pressure mechanism include negative pressure line (10) and with negative pressure line (10)
The negative pressure pump of connection, negative pressure line (10) are provided with the 3rd valve (11) for being used for adjusting negative pressure pressure.
A kind of 4. radioaerosol continuous monitoring of acid-resistance material corrosion according to claim 3
Device, it is characterised in that：The negative pressure pump is the aspiration pump (1), the negative pressure line (10) with
Sampling line between filter paper (3) and aspiration pump (1) connects.
A kind of 5. radioaerosol continuous monitoring of acid-resistance material corrosion according to claim 1
Device, it is characterised in that：Covered with thin film on the test surface of the aerosol detection device (4).
A kind of 6. radioaerosol continuous monitoring of acid-resistance material corrosion according to claim 1
Device, it is characterised in that：Also include auxiliary for being purged to the test surface of aerosol detection device (4)
Help blowing mechanism (12).
A kind of 7. radioaerosol of acid-resistance material corrosion according to one of claim 1 to 6
Continuous monitoring device, it is characterised in that：The radioaerosol continuous monitoring device is arranged at vacuum chamber
In.
8. the radioaerosol based on the acid-resistance material corrosion described in one of claim 1 to 7 is continuous
A kind of radioaerosol continuous monitoring method of acid-resistance material corrosion of monitoring device, including following step
Suddenly：
(1) aspiration pump, the first valve and the 3rd valve are opened, the second valve is closed, is entered by sampling line
The airborne radioactivity material for being loaded with radioaerosol of mouth entrance is removed by aerosol sampling dehydrating unit
Reach filter paper after wet deacidification, the radioaerosol in airborne radioactivity material is deposited on filter paper；
(2) the first valve is closed, opens the second valve, the air after air cleaner filters is by blowing
Sweep pipeline and enter sampling line, air draught purges to the sour gas around filter paper；
(3) paper advance mechanism is opened, paper advance mechanism controls filter paper to be moved to aerosol detection mechanism, makes filter paper
The lower section of aerosol detection device is reached, the radioactivity gas to being deposited on filter paper is completed by aerosol detection device
The measurement of colloidal sol.
A kind of 9. radioaerosol continuous monitoring of acid-resistance material corrosion according to claim 8
Method, it is characterised in that：When radioaerosol continuous monitoring device also includes being arranged on aerosol detection
During the negative pressure mechanism on the opposite of device test surface, in step (3), filter paper reaches the lower section of aerosol detection device
When, for filter paper between negative pressure mechanism and aerosol detection device, negative pressure mechanism provides negative pressure, reduces filter paper
On volatilization of the sour gas to aerosol detection device test surface.
10. a kind of radioaerosol of acid-resistance material corrosion according to claim 8 is continuously supervised
Survey method, it is characterised in that：When radioaerosol continuous monitoring device also includes being used to visit aerosol
Survey the auxiliary blowing mechanism that is purged of test surface of device, in step (3), filter paper reaches aerosol detection
During the lower section of device, auxiliary blowing mechanism purges to aerosol detection device, reduces sour gas to detection
The volatilization of device test surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610334525.8A CN107402170B (en) | 2016-05-19 | 2016-05-19 | Device and method for continuously monitoring radioactive aerosol for preventing acidic substance corrosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334525.8A CN107402170B (en) | 2016-05-19 | 2016-05-19 | Device and method for continuously monitoring radioactive aerosol for preventing acidic substance corrosion |
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| CN107402170B CN107402170B (en) | 2024-03-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445151A (en) * | 2017-12-18 | 2018-08-24 | 中国原子能科学研究院 | Dry method glove box aerosol monitoring system and monitoring method |
| CN111290010A (en) * | 2018-12-07 | 2020-06-16 | 中核四0四有限公司 | Device and method for detecting concentration of radioactive airborne effluents |
| CN114486642A (en) * | 2021-12-30 | 2022-05-13 | 中船重工安谱（湖北）仪器有限公司 | Biological aerosol analyzer gas circuit system |
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