CN104502150B - Used in nuclear power station radioactive liquid sample sampler and sampling method - Google Patents
Used in nuclear power station radioactive liquid sample sampler and sampling method Download PDFInfo
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- CN104502150B CN104502150B CN201410782217.2A CN201410782217A CN104502150B CN 104502150 B CN104502150 B CN 104502150B CN 201410782217 A CN201410782217 A CN 201410782217A CN 104502150 B CN104502150 B CN 104502150B
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- 238000005070 sampling Methods 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 101
- 239000000284 extract Substances 0.000 claims abstract description 3
- 238000011010 flushing procedure Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 210000004072 lung Anatomy 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000004223 radioprotective effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The present invention relates to used in nuclear power station radioactive liquid sample sampler and sampling method, sampler includes sampling cylinder barrel, big valve piston, sample bottle and sampling probe, it is characterized in that big piston is positioned at sampling cylinder barrel, valve piston is positioned at big piston, sampling probe is arranged at the end of big piston, annular quantitatively chamber is formed between valve piston and big piston, annular quantitatively chamber is connected with sample inlet and rinse mouth respectively, sample inlet is connected with vacuum extractor and sample source respectively, and rinse mouth is connected with flusher.Sampling method comprises the following steps: advance big piston, drives sampling probe to lunge in sample bottle；Return valve piston；To sample bottle evacuation；Sample is allowed to enter annular quantitatively chamber；Advance valve piston, inject a sample into sample bottle；Return valve piston；Rinse；Return big piston, extract sampling probe out sample bottle.Present configuration is simple, use safety, i.e. take out i.e. take, sampling amount stably suitably and can remotely operate.
Description
Technical field
The present invention relates to a kind of sampler and sampling method, specifically used in nuclear power station radiation
Property fluid sample sampler and sampling method.
Background technology
Nuclear activity liquid in process pipe or container to be carried out in running by nuclear power station often
Sampling, in order to analyze hydrochemical characteristics parameter and the radioactivity of sample, then according to analysis
Result, it is judged that process system and the normality of equipment work, if occurring abnormal, it is determined that rationally
Processing method.Owing to sampling is to liking with radioactive liquid, there is high risk,
For avoiding impacting personnel and environment, the sampling amount of sample must be little and accurate.
At present, use manually sampling, operator are had certain radioprotective.It addition, sampling bottle
For sampling before needing first evacuation, from taken out vacuum to sampling during this period of time in, vacuum
Can be gradually reduced, and sampling power is jointly to act on by sample source pressure and sampling bottle vacuum
Ensure, at many factors shadows such as manual operation time, sample source pressure and sample bottle vacuums
Under sound, sample volume extremely unstable and also the most on the high side.So, not only increase operation
Personnel's radioactive radiation is dangerous, also increases the processing cost of waste liquid.Therefore, a kind of structure of design
Simply, use safety, i.e. take out i.e. take, sampling amount stably suitably and can remote-operated radiate
Property fluid sample sampler and sampling method are the most necessary.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, use safety, i.e. take out and i.e. take, sample
Amount is stablized suitably and can remote-operated radioactive liquid sample sampler and sampling method.
For achieving the above object, the invention provides used in nuclear power station radioactive liquid sample dress
Putting, advance three-way valve including sampling cylinder barrel, big piston, valve piston, big piston, big piston moves back
Returning three-way valve, valve piston advances three-way valve, and valve piston returns three-way valve, sample bottle and sampling probe,
It is characterized in that big piston is positioned at sampling cylinder barrel, valve piston is positioned at big piston, and sampling probe is arranged
On the end of big piston, sampling cylinder barrel, it is provided with propelling Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU, return big piston
Air inlet, advance valve piston air inlet, return valve piston air inlet, sample inlet and rinse mouth,
Radix Angelicae Dahuricae (Radix Heraclei Scabridi) is provided with valve piston propelling inlet channel beyond the Great Wall, valve piston returns inlet channel, sample leads to
Road, flushing water passage and one-way flow assembly, valve piston advance inlet channel two ends respectively with
Advancing valve piston air inlet and valve piston top chamber to connect, valve piston returns the two of inlet channel
End respectively with return valve piston air inlet and valve piston bottom chamber is connected, valve piston offers
Cannelure, forms annular quantitatively chamber, ring by described cannelure between valve piston and big piston
Shape groove is connected with sample inlet and rinse mouth by sample channel and flushing water passage respectively, sample
Entrance is connected with vacuum extractor and sample source respectively by pipeline, and rinse mouth is with flusher even
Connect, advance Radix Angelicae Dahuricae (Radix Heraclei Scabridi) to fill in QI KOU and advance the normally opened passway of three-way valve to be connected with big piston, Radix Angelicae Dahuricae (Radix Heraclei Scabridi)
Plug advances the switching channel mouth of three-way valve to be connected with compressed gas source, and big piston advances the normal of three-way valve
Closed walk mouth is connected with air, returns Radix Angelicae Dahuricae (Radix Heraclei Scabridi) and fills in QI KOU and return the normally opened of three-way valve with big piston
Passway connects, and big piston is return the switching channel mouth of three-way valve and is connected with compressed gas source, Radix Angelicae Dahuricae (Radix Heraclei Scabridi)
Plug is return the normally closed passway of three-way valve and is connected with air, advances valve piston air inlet and valve piston
The normally opened passway advancing three-way valve connects, and valve piston advances switching channel mouth and the pressure of three-way valve
Contracting source of the gas connects, and valve piston advances the normally closed passway of three-way valve to be connected with air, returns little work
Filling in QI KOU to return the normally opened passway of three-way valve with valve piston and be connected, valve piston returns three-way valve
Switching channel mouth be connected with compressed gas source, valve piston returns the normally closed passway of three-way valve with big
Gas connects.
Further, described propelling Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU, return Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU, advance little
Piston intake mouth, return valve piston air inlet, sample inlet and rinse mouth and be hickey.
Further, described sampling probe is single needle structure.
Further, described big piston advances three-way valve, and big piston returns three-way valve, valve piston
Three-way valve and valve piston is advanced to return three-way valve and be air operated reversing valve.
Present invention also offers a kind of use above-mentioned used in nuclear power station radioactive liquid sample dress
Put the method being sampled, comprise the following steps:
A. regulate big piston advance three-way valve so that it is normally opened passway connect with switching channel mouth and
Normally closed passway is closed, and regulates big piston and returns three-way valve so that it is normally opened passway is logical with switching
Between road junction, obstructed and normally closed passway is opened, and advances big piston, drive to be connected with big piston
Sampling probe lunges in the sample bottle of band rubber stopper；
B. regulation valve piston advances three-way valve so that it is between normally opened passway and switching channel mouth not
Logical and normally closed passway is opened, regulation valve piston return three-way valve so that it is normally opened passway with cut
Change passway to connect and the closedown of normally closed passway, return valve piston；
C. vacuum extractor is opened, to sample bottle evacuation；
D., when the vacuum of sampling bottle reaches-0.05MPa, vacuum extractor is closed；
E. open sample source pipeline, allow sample enter between valve piston and big piston by described
The annular that cannelure is formed quantitatively chamber；
F. regulation valve piston advance three-way valve so that it is normally opened passway connect with switching channel mouth and
Normally closed passway is closed, and regulation valve piston returns three-way valve so that it is normally opened passway is logical with switching
Between road junction, obstructed and normally closed passway is opened, and advances valve piston, by the sample of quantitative for annular chamber
Product inject sample bottle；
G. regulation valve piston advances three-way valve so that it is between normally opened passway and switching channel mouth not
Logical and normally closed passway is opened, regulation valve piston return three-way valve so that it is normally opened passway with cut
Change passway to connect and the closedown of normally closed passway, return valve piston；
H. open clean-up line, be rinsed；
I., after rinsing 30 seconds, clean-up line is closed；
J. regulate big piston and advance three-way valve so that it is between normally opened passway and switching channel mouth not
Logical and normally closed passway is opened, and regulates big piston and returns three-way valve so that it is normally opened passway with cut
Change passway to connect and the closedown of normally closed passway, return big piston, sampling probe is extracted out sample bottle,
Sampler resets.
The present invention uses the annular formed by described cannelure between valve piston and big piston to determine
Amount chamber sampling, and use i.e. to smoke i.e. to take sample bottle evacuation and sampling are carried out continuously
Mode, be effectively ensured sampling amount stablize suitable.Present configuration is simple, use safety and
Can remotely operate.The present invention can be repeated several times utilization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1-samples cylinder barrel；1.1-advances Radix Angelicae Dahuricae (Radix Heraclei Scabridi) to fill in QI KOU；1.2-returns Radix Angelicae Dahuricae (Radix Heraclei Scabridi) and fills in
QI KOU；1.3-advances valve piston air inlet；1.4-returns valve piston air inlet；1.5-sample enters
Mouthful；1.6-rinse mouth；The big piston of 2-；2.1-valve piston advances inlet channel；2.2-valve piston
Return inlet channel；2.3-sample channel；2.4-flushing water passage；2.5-one-way flow assembly；
3-valve piston；3.1-cannelure；The big piston of 4-advances three-way valve；The big piston of 4.1-advances threeway
Vavle switching passway；The big piston of 4.2-advances the normally opened passway of three-way valve；The big piston of 4.3-advances
The normally closed passway of three-way valve；5-is big, and piston returns three-way valve；The big piston of 5.1-is return three-way valve and is cut
Change passway；The big piston of 5.2-returns the normally opened passway of three-way valve；5.3-is big, and piston returns threeway
The normally closed passway of valve；6-valve piston advances three-way valve；6.1-valve piston advances three-way valve switching logical
Road junction；6.2-valve piston advances the normally opened passway of three-way valve；6.3-valve piston advances three-way valve normal
Closed walk mouth；7-valve piston returns three-way valve；7.1-valve piston returns three-way valve switching channel mouth；
7.2-valve piston returns the normally opened passway of three-way valve；7.3-valve piston returns the normally closed passage of three-way valve
Mouthful；8-sample bottle；9-sampling probe；10-compressed gas source；11-vacuum extractor；12-sample
Source；13-flusher.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated, but this embodiment is not
It is interpreted as limitation of the present invention.
The sample sampler of used in nuclear power station radioactive liquid shown in figure, including sampling cylinder barrel 1,
Big piston 2, valve piston 3, big piston advance three-way valve 4, and big piston returns three-way valve 5, little
Piston advances three-way valve 6, and valve piston returns three-way valve 7, sample bottle 8 and sampling probe 9, greatly
Piston 2 is positioned at sampling cylinder barrel 1, and valve piston 3 is positioned at big piston 2, and sampling probe 9 is arranged
On the end of big piston 2, sampling cylinder barrel 1, it is provided with propelling Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU 1.1, move back
Return Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU 1.2, advance valve piston air inlet 1.3, return valve piston air inlet 1.4,
Sample inlet 1.5 and rinse mouth 1.6, big piston 2 is provided with valve piston and advances inlet channel
2.1, valve piston returns inlet channel 2.2, sample channel 2.3, flushing water passage 2.4 and list
To circulation assembly 2.5, valve piston advance inlet channel 2.1 two ends respectively with advance valve piston
Air inlet 1.3 and valve piston top chamber connect, and valve piston returns the two ends of inlet channel 2.2
Respectively with return valve piston air inlet 1.4 and valve piston bottom chamber is connected, valve piston 3 is opened
It is provided with cannelure 3.1, is formed by described cannelure 3.1 between valve piston 3 and big piston 2
Annular quantitatively chamber, cannelure 3.1 is respectively by sample channel 2.3 and flushing water passage 2.4
Be connected with sample inlet 1.5 and rinse mouth 1.6, sample inlet 1.5 by pipeline respectively with take out
Vacuum equipment 11 and sample source 12 connect, and rinse mouth 1.6 is connected with flusher 13, pushes away
Enter Radix Angelicae Dahuricae (Radix Heraclei Scabridi) to fill in QI KOU 1.1 and big piston and advance the normally opened passway 4.2 of three-way valve 4 to be connected,
Big piston advances the switching channel mouth 4.1 of three-way valve 4 to be connected with compressed gas source 10, big piston
The normally closed passway 4.3 advancing three-way valve 4 is connected with air, returns Radix Angelicae Dahuricae (Radix Heraclei Scabridi) and fills in QI KOU 1.2
The normally opened passway 5.2 returning three-way valve 5 with big piston is connected, and big piston returns three-way valve 5
Switching channel mouth 5.1 be connected with compressed gas source 10, big piston returns the normally closed of three-way valve 5
Passway 5.3 is connected with air, advances valve piston air inlet 1.3 to advance three-way valve with valve piston
The normally opened passway 6.2 of 6 connects, valve piston advance the switching channel mouth 6.1 of three-way valve 6 with
Compressed gas source 10 connects, and valve piston advances the normally closed passway 6.3 of three-way valve 6 with air even
Connect, return valve piston air inlet 1.4 and valve piston and return the normally opened passway 7.2 of three-way valve 7
Connecting, valve piston is return the switching channel mouth 7.1 of three-way valve 7 and is connected with compressed gas source 10,
Valve piston is return the normally closed passway 7.3 of three-way valve 7 and is connected with air.
Preferably example is: in such scheme, described propelling Radix Angelicae Dahuricae (Radix Heraclei Scabridi) is filled in QI KOU 1.1, moved back
Return Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU 1.2, advance valve piston air inlet 1.3, return valve piston air inlet 1.4,
Sample inlet 1.5 and rinse mouth 1.6 are hickey.
Preferably example is: in such scheme, described sampling probe 9 is single needle structure.
Preferably example is: in such scheme, and described big piston advances three-way valve 4, Radix Angelicae Dahuricae (Radix Heraclei Scabridi)
Three-way valve 5 return by plug, valve piston advances three-way valve 6 and valve piston to return three-way valve (7) all
For air operated reversing valve.
Use the method that above-mentioned used in nuclear power station radioactive liquid sample sampler is sampled, bag
Include following steps:
A. regulate big piston and advance three-way valve 4 so that it is normally opened passway 4.2 and switching channel mouth
4.1 connection and normally closed passway 4.3 is closed, regulate big piston and return three-way valve 5 so that it is be normally opened
Between passway 5.2 and switching channel mouth 5.1, obstructed and normally closed passway 5.3 is opened, and advances
Big piston 2, drives the sampling probe 9 being connected with big piston 2 to lunge the sample bottle 8 of band rubber stopper
In；
B. regulation valve piston advances three-way valve 6 so that it is normally opened passway 6.2 and switching channel mouth
Between 6.1, obstructed and normally closed passway 6.3 is opened, and regulation valve piston returns three-way valve 7 so that it is often
Open that road junction 7.2 connects with switching channel mouth 7.1 and normally closed passway 7.3 is closed, return little work
Plug 3；
C. vacuum extractor is opened, to sample bottle 8 evacuation；
D., when the vacuum of sampling bottle reaches-0.05MPa, vacuum extractor is closed；
E. open sample source pipeline, allow sample enter between valve piston 3 and big piston 2 and pass through institute
State the annular quantitatively chamber that cannelure 3.1 is formed；
F. regulation valve piston advances three-way valve 6 so that it is normally opened passway 6.2 and switching channel mouth
6.1 connections and normally closed passway 6.3 is closed, regulation valve piston returns three-way valve 7 so that it is normally opened logical
Between road junction 7.2 and switching channel mouth 7.1, obstructed and normally closed passway 7.3 is opened, and advances little work
Plug 3, injects sample bottle 8 by the sample of quantitative for annular chamber；
G. regulation valve piston advances three-way valve 6 so that it is normally opened passway 6.2 and switching channel mouth
Between 6.1, obstructed and normally closed passway 6.3 is opened, and regulation valve piston returns three-way valve 7 so that it is often
Open that road junction 7.2 connects with switching channel mouth 7.1 and normally closed passway 7.3 is closed, return little work
Plug 3；
H. open clean-up line, be rinsed；
I., after rinsing 30 seconds, clean-up line is closed；
J. regulate big piston and advance three-way valve 4 so that it is normally opened passway 4.2 and switching channel mouth
Between 4.1, obstructed and normally closed passway 4.3 is opened, and regulates big piston and returns three-way valve 5 so that it is
Normally opened passway 5.2 connects with switching channel mouth 5.1 and normally closed passway 5.3 is closed, and returns
Big piston 2, extracts sample bottle 8 out by sampling probe 9, and sampler resets.
The content not being described in detail in this specification, belongs to existing known to those skilled in the art
There is technology.
Claims (5)
1. used in nuclear power station radioactive liquid sample sampler, including sampling cylinder barrel (1), big
Piston (2), valve piston (3), big piston advance three-way valve (4), and big piston returns three-way valve
(5), valve piston advances three-way valve (6), and valve piston returns three-way valve (7), sample bottle (8)
With sampling probe (9), it is characterised in that: big piston (2) is positioned at sampling cylinder barrel (1), little
Piston (3) is positioned at big piston (2), and sampling probe (9) is arranged at the end of big piston (2)
End, sampling cylinder barrel (1) is provided with propelling Radix Angelicae Dahuricae (Radix Heraclei Scabridi) and fills in QI KOU (1.1), returns big piston
Air inlet (1.2), advance valve piston air inlet (1.3), return valve piston air inlet (1.4),
Sample inlet (1.5) and rinse mouth (1.6), big piston (2) is provided with valve piston and advances
Inlet channel (2.1), valve piston return inlet channel (2.2), sample channel (2.3), punching
Wash water passage (2.4) and one-way flow assembly (2.5), valve piston advances inlet channel (2.1)
Two ends respectively with advance valve piston air inlet (1.3) and valve piston top chamber be connected, little
Piston return the two ends of inlet channel (2.2) respectively with return valve piston air inlet (1.4) and
Valve piston bottom chamber connects, and valve piston (3) offers cannelure (3.1), valve piston
(3) and annular quantitatively chamber is formed by described cannelure (3.1) between big piston (2),
Cannelure (3.1) is respectively by sample channel (2.3) and flushing water passage (2.4) and sample
Product entrance (1.5) and rinse mouth (1.6) connect, and sample inlet (1.5) is divided by pipeline
It is not connected with vacuum extractor (11) and sample source (12), rinse mouth (1.6) and flushing
Device (13) connects, and advances Radix Angelicae Dahuricae (Radix Heraclei Scabridi) to fill in QI KOU (1.1) and advances three-way valve (4) with big piston
Normally opened passway (4.2) connect, big piston advance three-way valve (4) switching channel mouth (4.1)
Being connected with compressed gas source (10), big piston advances the normally closed passway (4.3) of three-way valve (4)
It is connected with air, returns Radix Angelicae Dahuricae (Radix Heraclei Scabridi) and fill in QI KOU (1.2) and big piston and return three-way valve (5)
Normally opened passway (5.2) connects, and big piston returns the switching channel mouth (5.1) of three-way valve (5)
Being connected with compressed gas source (10), big piston returns the normally closed passway (5.3) of three-way valve (5)
It is connected with air, advances valve piston air inlet (1.3) to advance three-way valve (6) with valve piston
Normally opened passway (6.2) connects, and valve piston advances the switching channel mouth (6.1) of three-way valve (6)
Being connected with compressed gas source (10), valve piston advances the normally closed passway (6.3) of three-way valve (6)
It is connected with air, returns valve piston air inlet (1.4) and return three-way valve (7) with valve piston
Normally opened passway (7.2) connects, and valve piston returns the switching channel mouth (7.1) of three-way valve (7)
Being connected with compressed gas source (10), valve piston returns the normally closed passway (7.3) of three-way valve (7)
It is connected with air.
Used in nuclear power station radioactive liquid sample sampler the most according to claim 1,
It is characterized in that: described propelling Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU (1.1), return Radix Angelicae Dahuricae (Radix Heraclei Scabridi) fill in QI KOU (1.2),
Advance valve piston air inlet (1.3), return valve piston air inlet (1.4), sample inlet (1.5)
It is hickey with rinse mouth (1.6).
Used in nuclear power station radioactive liquid sample the most according to claim 1 and 2 fills
Put, it is characterised in that: described sampling probe (9) is single needle structure.
Used in nuclear power station radioactive liquid sample sampler the most according to claim 3,
It is characterized in that: described big piston advances three-way valve (4), big piston returns three-way valve (5),
Valve piston advances three-way valve (6) and valve piston to return three-way valve (7) and be air operated reversing valve.
5. use the used in nuclear power station radioactive liquid sample sampler described in claim 1-4
The method being sampled, comprises the following steps:
A. regulate big piston and advance three-way valve (4) so that it is normally opened passway (4.2) and switching
Passway (4.1) connects and normally closed passway (4.3) are closed, and regulates big piston and returns threeway
Valve (5) so that it is obstructed and normal between normally opened passway (5.2) and switching channel mouth (5.1)
Closed walk mouth (5.3) is opened, and advances big piston (2), drive to be connected with big piston (2)
Sampling probe (9) lunges in the sample bottle (8) of band rubber stopper；
B. regulation valve piston advances three-way valve (6) so that it is normally opened passway (6.2) and switching
Between passway (6.1), obstructed and normally closed passway (6.3) open, and regulation valve piston is return
Three-way valve (7) so that it is normally opened passway (7.2) connect with switching channel mouth (7.1) and normal
Closed walk mouth (7.3) is closed, and returns valve piston (3)；
C. vacuum extractor is opened, to sample bottle (8) evacuation；
D., when the vacuum of sampling bottle reaches-0.05MPa, vacuum extractor is closed；
E. open sample source pipeline, allow sample enter valve piston (3) with big piston (2) it
Between the annular quantitatively chamber that formed by described cannelure (3.1)；
F. regulation valve piston advances three-way valve (6) so that it is normally opened passway (6.2) and switching
Passway (6.1) connects and normally closed passway (6.3) are closed, and regulation valve piston returns threeway
Valve (7) so that it is obstructed and normal between normally opened passway (7.2) and switching channel mouth (7.1)
Closed walk mouth (7.3) is opened, and advances valve piston (3), is injected by the sample of quantitative for annular chamber
Sample bottle (8)；
G. regulation valve piston advances three-way valve (6) so that it is normally opened passway (6.2) and switching
Between passway (6.1), obstructed and normally closed passway (6.3) open, and regulation valve piston is return
Three-way valve (7) so that it is normally opened passway (7.2) connect with switching channel mouth (7.1) and normal
Closed walk mouth (7.3) is closed, and returns valve piston (3)；
H. open clean-up line, be rinsed；
I., after rinsing 30 seconds, clean-up line is closed；
J. regulate big piston and advance three-way valve (4) so that it is normally opened passway (4.2) and switching
Between passway (4.1), obstructed and normally closed passway (4.3) open, and regulate big piston and return
Three-way valve (5) so that it is normally opened passway (5.2) connect with switching channel mouth (5.1) and normal
Closed walk mouth (5.3) is closed, and returns big piston (2), extracts sampling probe (9) out sample bottle
(8), sampler resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782217.2A CN104502150B (en) | 2014-12-16 | 2014-12-16 | Used in nuclear power station radioactive liquid sample sampler and sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782217.2A CN104502150B (en) | 2014-12-16 | 2014-12-16 | Used in nuclear power station radioactive liquid sample sampler and sampling method |
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| CN104502150A CN104502150A (en) | 2015-04-08 |
| CN104502150B true CN104502150B (en) | 2017-01-04 |
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| CN105547746A (en) * | 2015-12-14 | 2016-05-04 | 中广核工程有限公司 | Nuclear power plant radioactive fluid waste online sampling device and method |
| CN108225829A (en) * | 2016-12-14 | 2018-06-29 | 中核四0四有限公司 | A kind of remote instantaneous sample device and method of mixer-settler material liquid outlet |
| CN109425501A (en) * | 2017-08-24 | 2019-03-05 | 中广核工程有限公司 | Nuclear power station liquid sampling integration of equipments design method and its equipment |
| CN109141976A (en) * | 2018-09-06 | 2019-01-04 | 中国原子能科学研究院 | A kind of radioactive liquid sample sampler and sampling method |
| CN111624041B (en) * | 2020-06-10 | 2021-02-26 | 深圳市雷立科技有限公司 | Sampling device for radiation leakage sea area environment detection |
| CN115839868B (en) * | 2022-10-27 | 2024-01-12 | 山东冽泉环保工程咨询有限公司 | Back-cleaning head matched with target sampling device |
| CN115979726A (en) * | 2022-12-31 | 2023-04-18 | 无锡市经登自控阀门有限公司 | Powder and liquid sampling straight-stroke actuator |
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| GB862680A (en) * | 1958-08-29 | 1961-03-15 | Atomic Energy Authority Uk | Improvements in or relating to sampling devices |
| FR2474340A1 (en) * | 1980-01-11 | 1981-07-31 | Marteau D Autry Eric | PERFECTLY POSITIVE DISPLACEMENT PIPETTE |
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