CN204373957U - Used in nuclear power station radioactive liquid sample sampler - Google Patents
Used in nuclear power station radioactive liquid sample sampler Download PDFInfo
- Publication number
- CN204373957U CN204373957U CN201420799185.2U CN201420799185U CN204373957U CN 204373957 U CN204373957 U CN 204373957U CN 201420799185 U CN201420799185 U CN 201420799185U CN 204373957 U CN204373957 U CN 204373957U
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- China
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- valve
- piston
- valve piston
- large piston
- sample
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Abstract
The utility model relates to used in nuclear power station radioactive liquid sample sampler, comprise sampling cylinder barrel, greatly, valve piston and respective entering, move back T-valve, sample bottle and sampling probe, it is characterized in that large piston is positioned at sampling cylinder barrel, valve piston is positioned at large piston, sampling probe is arranged at the end of large piston, sampling cylinder barrel is provided with and advances and return piston intake mouth, sample inlet and rinse mouth, large piston is provided with valve piston advance and return inlet channel, sample channel, wash-down water passage and one-way flow assembly, valve piston offers ring groove, annular quantitatively chamber is formed by described ring groove between valve piston and large piston, ring groove is connected with sample inlet and rinse mouth with wash-down water passage respectively by sample channel, sample inlet is connected with vacuum extractor and sample source respectively by pipeline, rinse mouth is connected with flusher.The utility model structure is simple, use safety, namely take out namely get, sampling amount is suitably stable and can operated from a distance.
Description
Technical field
The utility model relates to a kind of sampler, specifically used in nuclear power station radioactive liquid sample sampler.
Background technology
Nuclear power station will sample the nuclear activity liquid in process pipe or container in running often, in order to analyze hydrochemical characteristics parameter and the radioactivity of sample, then according to analysis result, judge the normality of process system and equipment work, if occur abnormal, then determine rational disposal route.Because sampling is to liking with radioactive liquid, there is high risk, for avoiding impacting personnel and environment, the sampling amount of sample is necessary little and accurate.
At present, adopt and manually sample, have certain nuclear radiation to operating personnel.In addition, sampling jar needed first to vacuumize before for sampling, from having taken out vacuum in sampling during this period of time, vacuum tightness can decline gradually, and sample power by sample source pressure and the acting in conjunction of sampling jar vacuum tightness and ensure, under the various factors such as manual operation time, sample source pressure and sample bottle vacuum tightness, sample volume extremely unstable and generally on the high side.Like this, not only increase operating personnel's radioactive radiation dangerous, also increase the processing cost of waste liquid.Therefore, design that a kind of structure is simple, use safety, namely take out namely get, sampling amount suitably stable and can remote-operated radioactive liquid sample sampler very necessary.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, use safety, namely take out namely get, sampling amount is suitably stable and can remote-operated radioactive liquid sample sampler.
For achieving the above object, the utility model adopts following technical scheme: used in nuclear power station radioactive liquid sample sampler, comprise sampling cylinder barrel, large piston, valve piston, large piston advances T-valve, large piston returns T-valve, valve piston advances T-valve, valve piston returns T-valve, sample bottle and sampling probe, it is characterized in that large piston is positioned at sampling cylinder barrel, valve piston is positioned at large piston, sampling probe is arranged at the end of large piston, sampling cylinder barrel is provided with and advances large piston intake mouth, return large piston intake mouth, advance valve piston air intake opening, return valve piston air intake opening, sample inlet and rinse mouth, large piston is provided with valve piston and advances inlet channel, valve piston returns inlet channel, sample channel, wash-down water passage and one-way flow assembly, valve piston advances the two ends of inlet channel to be connected with propelling valve piston air intake opening and valve piston top chamber respectively, valve piston return inlet channel two ends respectively with return valve piston air intake opening and valve piston bottom chamber is connected, valve piston offers ring groove, annular quantitatively chamber is formed by described ring groove between valve piston and large piston, ring groove is connected with sample inlet and rinse mouth with wash-down water passage respectively by sample channel, sample inlet is connected with vacuum extractor and sample source respectively by pipeline, rinse mouth is connected with flusher, large piston intake mouth and large piston is advanced to advance the road junction of often opening of T-valve to be connected, large piston advances the switching channel mouth of T-valve to be connected with compressed gas source, large piston advances the normally closed passway of T-valve to be connected with air, return large piston intake mouth to be connected with the road junction of often opening that large piston returns T-valve, the switching channel mouth that large piston returns T-valve is connected with compressed gas source, the normally closed passway that large piston returns T-valve is connected with air, valve piston air intake opening is advanced to advance the road junction of often opening of T-valve to be connected with valve piston, valve piston advances the switching channel mouth of T-valve to be connected with compressed gas source, valve piston advances the normally closed passway of T-valve to be connected with air, return valve piston air intake opening to be connected with the road junction of often opening that valve piston returns T-valve, the switching channel mouth that valve piston returns T-valve is connected with compressed gas source, the normally closed passway that valve piston returns T-valve is connected with air.
Further, described propelling large piston intake mouth, return large piston intake mouth, advance valve piston air intake opening, return valve piston air intake opening, sample inlet and rinse mouth and be hickey.
Further, described sampling probe is single needle structure.
Further, described large piston advances T-valve, and large piston returns T-valve, and valve piston advances T-valve and valve piston to return T-valve and is air operated reversing valve.
The utility model adopts the annular quantitative chamber formed by described ring groove between valve piston and large piston sample, and adopt namely take out namely get-sample bottle is vacuumized and samples the mode of carrying out continuously, effectively ensure that sampling amount is stable suitable.The utility model structure is simple, use safety and can operated from a distance.The utility model can repeatedly utilize.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-samples cylinder barrel; 1.1-advances large piston intake mouth; 1.2-returns large piston intake mouth; 1.3-advances valve piston air intake opening; 1.4-returns valve piston air intake opening; 1.5-sample inlet; 1.6-rinse mouth; The large piston of 2-; 2.1-valve piston advances inlet channel; 2.2-valve piston returns inlet channel; 2.3-sample channel; 2.4-wash-down water passage; 2.5-one-way flow assembly; 3-valve piston; 3.1-ring groove; The large piston of 4-advances T-valve; The large piston of 4.1-advances T-valve switching channel mouth; The large piston of 4.2-advances T-valve often to open road junction; The large piston of 4.3-advances the normally closed passway of T-valve; 5-is large, and piston returns T-valve; The large piston of 5.1-returns T-valve switching channel mouth; The large piston of 5.2-is return T-valve and is often opened road junction; The large piston of 5.3-returns the normally closed passway of T-valve; 6-valve piston advances T-valve; 6.1-valve piston advances T-valve switching channel mouth; 6.2-valve piston advances T-valve often to open road junction; 6.3-valve piston advances the normally closed passway of T-valve; 7-valve piston returns T-valve; 7.1-valve piston returns T-valve switching channel mouth; 7.2-valve piston is return T-valve and is often opened road junction; 7.3-valve piston returns the normally closed passway of T-valve; 8-sample bottle; 9-sampling probe; 10-compressed gas source; 11-vacuum extractor; 12-sample source; 13-flusher.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described, but this embodiment should not be construed as restriction of the present utility model.
The radioactive liquid of used in nuclear power station shown in figure sample sampler, comprise sampling cylinder barrel 1, large piston 2, valve piston 3, large piston advances T-valve 4, large piston returns T-valve 5, valve piston advances T-valve 6, valve piston returns T-valve 7, sample bottle 8 and sampling probe 9, large piston 2 is positioned at sampling cylinder barrel 1, valve piston 3 is positioned at large piston 2, sampling probe 9 is arranged at the end of large piston 2, sampling cylinder barrel 1 is provided with and advances large piston intake mouth 1.1, return large piston intake mouth 1.2, advance valve piston air intake opening 1.3, return valve piston air intake opening 1.4, sample inlet 1.5 and rinse mouth 1.6, large piston 2 is provided with valve piston and advances inlet channel 2.1, valve piston returns inlet channel 2.2, sample channel 2.3, wash-down water passage 2.4 and one-way flow assembly 2.5, valve piston advances the two ends of inlet channel 2.1 to be connected with propelling valve piston air intake opening 1.3 and valve piston top chamber respectively, valve piston return inlet channel 2.2 two ends respectively with return valve piston air intake opening 1.4 and valve piston bottom chamber is connected, valve piston 3 offers ring groove 3.1, annular quantitatively chamber is formed by described ring groove 3.1 between valve piston 3 and large piston 2, ring groove 3.1 is connected with sample inlet 1.5 and rinse mouth 1.6 with wash-down water passage 2.4 respectively by sample channel 2.3, sample inlet 1.5 is connected with vacuum extractor 11 and sample source 12 respectively by pipeline, rinse mouth 1.6 is connected with flusher 13, large piston intake mouth 1.1 and large piston is advanced to advance the road junction 4.2 of often opening of T-valve 4 to be connected, large piston advances the switching channel mouth 4.1 of T-valve 4 to be connected with compressed gas source 10, large piston advances the normally closed passway 4.3 of T-valve 4 to be connected with air, return large piston intake mouth 1.2 to be connected with the road junction 5.2 of often opening that large piston returns T-valve 5, the switching channel mouth 5.1 that large piston returns T-valve 5 is connected with compressed gas source 10, the normally closed passway 5.3 that large piston returns T-valve 5 is connected with air, valve piston air intake opening 1.3 is advanced to advance the road junction 6.2 of often opening of T-valve 6 to be connected with valve piston, valve piston advances the switching channel mouth 6.1 of T-valve 6 to be connected with compressed gas source 10, valve piston advances the normally closed passway 6.3 of T-valve 6 to be connected with air, return valve piston air intake opening 1.4 to be connected with the road junction 7.2 of often opening that valve piston returns T-valve 7, the switching channel mouth 7.1 that valve piston returns T-valve 7 is connected with compressed gas source 10, the normally closed passway 7.3 that valve piston returns T-valve 7 is connected with air.
Preferred example is: in such scheme, described propelling large piston intake mouth 1.1, returns large piston intake mouth 1.2, advances valve piston air intake opening 1.3, returns valve piston air intake opening 1.4, sample inlet 1.5 and rinse mouth 1.6 and be hickey.
Preferred example is: in such scheme, and described sampling probe 9 is single needle structure.
Preferred example is: in such scheme, and described large piston advances T-valve 4, large piston returns T-valve 5, valve piston advances T-valve 6 and valve piston to return T-valve (7) to be air operated reversing valve.
The content be not described in detail in this instructions, belongs to the known prior art of those skilled in the art.
Claims (4)
1. used in nuclear power station radioactive liquid sample sampler, comprise sampling cylinder barrel (1), large piston (2), valve piston (3), large piston advances T-valve (4), large piston returns T-valve (5), valve piston advances T-valve (6), valve piston returns T-valve (7), sample bottle (8) and sampling probe (9), it is characterized in that: large piston (2) is positioned at sampling cylinder barrel (1), valve piston (3) is positioned at large piston (2), sampling probe (9) is arranged at the end of large piston (2), sampling cylinder barrel (1) is provided with and advances large piston intake mouth (1.1), return large piston intake mouth (1.2), advance valve piston air intake opening (1.3), return valve piston air intake opening (1.4), sample inlet (1.5) and rinse mouth (1.6), large piston (2) is provided with valve piston and advances inlet channel (2.1), valve piston returns inlet channel (2.2), sample channel (2.3), wash-down water passage (2.4) and one-way flow assembly (2.5), valve piston advances the two ends of inlet channel (2.1) to be connected with propelling valve piston air intake opening (1.3) and valve piston top chamber respectively, valve piston return inlet channel (2.2) two ends respectively with return valve piston air intake opening (1.4) and valve piston bottom chamber is connected, valve piston (3) offers ring groove (3.1), annular quantitatively chamber is formed by described ring groove (3.1) between valve piston (3) and large piston (2), ring groove (3.1) is connected with sample inlet (1.5) and rinse mouth (1.6) with wash-down water passage (2.4) respectively by sample channel (2.3), sample inlet (1.5) is connected with vacuum extractor (11) and sample source (12) respectively by pipeline, rinse mouth (1.6) is connected with flusher (13), large piston intake mouth (1.1) and large piston is advanced to advance the road junction (4.2) of often opening of T-valve (4) to be connected, large piston advances the switching channel mouth (4.1) of T-valve (4) to be connected with compressed gas source (10), large piston advances the normally closed passway (4.3) of T-valve (4) to be connected with air, return large piston intake mouth (1.2) to be connected with the road junction (5.2) of often opening that large piston returns T-valve (5), the switching channel mouth (5.1) that large piston returns T-valve (5) is connected with compressed gas source (10), the normally closed passway (5.3) that large piston returns T-valve (5) is connected with air, valve piston air intake opening (1.3) is advanced to advance the road junction (6.2) of often opening of T-valve (6) to be connected with valve piston, valve piston advances the switching channel mouth (6.1) of T-valve (6) to be connected with compressed gas source (10), valve piston advances the normally closed passway (6.3) of T-valve (6) to be connected with air, return valve piston air intake opening (1.4) to be connected with the road junction (7.2) of often opening that valve piston returns T-valve (7), the switching channel mouth (7.1) that valve piston returns T-valve (7) is connected with compressed gas source (10), the normally closed passway (7.3) that valve piston returns T-valve (7) is connected with air.
2. used in nuclear power station radioactive liquid sample sampler according to claim 1, is characterized in that: described propelling large piston intake mouth (1.1), return large piston intake mouth (1.2), advance valve piston air intake opening (1.3), return valve piston air intake opening (1.4), sample inlet (1.5) and rinse mouth (1.6) and be hickey.
3. used in nuclear power station radioactive liquid sample sampler according to claim 1 and 2, is characterized in that: described sampling probe (9) is single needle structure.
4. used in nuclear power station radioactive liquid sample sampler according to claim 3, it is characterized in that: described large piston advances T-valve (4), large piston returns T-valve (5), and valve piston advances T-valve (6) and valve piston to return T-valve (7) and is air operated reversing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799185.2U CN204373957U (en) | 2014-12-16 | 2014-12-16 | Used in nuclear power station radioactive liquid sample sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799185.2U CN204373957U (en) | 2014-12-16 | 2014-12-16 | Used in nuclear power station radioactive liquid sample sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204373957U true CN204373957U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799185.2U Expired - Fee Related CN204373957U (en) | 2014-12-16 | 2014-12-16 | Used in nuclear power station radioactive liquid sample sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204373957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502150A (en) * | 2014-12-16 | 2015-04-08 | 武汉海王新能源工程技术有限公司 | Radioactive liquid sample sampling device and radioactive liquid sample sampling method for nuclear power station |
-
2014
- 2014-12-16 CN CN201420799185.2U patent/CN204373957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502150A (en) * | 2014-12-16 | 2015-04-08 | 武汉海王新能源工程技术有限公司 | Radioactive liquid sample sampling device and radioactive liquid sample sampling method for nuclear power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20161216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |