CN105954068B - Nitrogen cylinder sampler - Google Patents
Nitrogen cylinder sampler Download PDFInfo
- Publication number
- CN105954068B CN105954068B CN201610285594.4A CN201610285594A CN105954068B CN 105954068 B CN105954068 B CN 105954068B CN 201610285594 A CN201610285594 A CN 201610285594A CN 105954068 B CN105954068 B CN 105954068B
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- intermediate mass
- sampler
- partition
- nitrogen cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 41
- 238000005192 partition Methods 0.000 claims abstract description 37
- 238000005070 sampling Methods 0.000 claims description 19
- 230000006837 decompression Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
- G01N2001/2238—Sampling from a closed space, e.g. food package, head space the gas being compressed or pressurized
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides nitrogen cylinder samplers,Including the first valve,Pressure reducing valve,Depressurize thread barrel,Sampler and air bag,First valve includes the first valve housing,First partition and second partition are equipped in first valve housing,First partition is equipped with the first stomata,Second partition is equipped with the second stomata,Intermediate mass is equipped between first partition and second partition,First stomata is equipped with the first pressing plate close to intermediate mass side,Second stomata is equipped with the second pressing plate close to intermediate mass side,The first compressed spring is equipped between first pressing plate and intermediate mass,The second compressed spring is equipped between second pressing plate and intermediate mass,The intermediate mass is equipped with rectangular cam hole,Cam is equipped in the cam hole,First pressing plate is equipped with the first hook,The intermediate mass is correspondingly provided with the first drag hook,Second pressing plate is equipped with the second hook,The intermediate mass is correspondingly provided with the second drag hook.It is correctly sampled by adopting the above-described technical solution, high pure nitrogen may be implemented in the present invention.
Description
Technical field
The present invention relates to electric power gas-chromatography testing equipment fields, more particularly to nitrogen cylinder sampler.
Background technique
Chromatography sample preparation need of work, which is filled from nitrogen cylinder using 100ml syringe, takes 50ml high pure nitrogen.Due to high pure nitrogen
It is big (12.5MPa) to be stored in gas cylinder pressure, though it is not thorough during filling and taking due to depressurizing through pressure reducing valve reduced pressure treatment
It causes to sample unqualified phenomenon with reasons such as sampler leakproofness differences and happen occasionally.
Following table is us to annual nitrogen sampling Analysis of Unqualified table (table 1) in 2014：
| Failure cause | Decompression is not thorough | Sampler leakproofness is poor | Other reasons |
| Sample number | 132 | 144 | 28 |
| Proportion (%) | 43.4 | 47.4 | 9.2 |
By table 1 statistics it can be seen that pressure reducing valve decompression be not thorough with sampler leakproofness difference cause sampling be unsuccessfully main
Want reason.Become whether solving gas-chromatography test nitrogen sampling failure for a kind of completely new nitrogen cylinder sampler of the invention
Key factor.
Existing sampler will consume a large amount of nitrogen when in use simultaneously, and after sampling, in sampler
Remaining nitrogen still has certain pressure intensity, and disassembly can bring certain security risk in nitrogen cylinder storage room.
Summary of the invention
The technical problem to be solved by the present invention is to overcome drawbacks described above, the nitrogen of a kind of safety, nitrogen sampling purity is high is provided
Gas cylinder sampler.
To solve the above problems, the technical scheme adopted by the invention is that：
Nitrogen cylinder sampler, including the first valve, pressure reducing valve, decompression thread barrel, sampler and air bag set gradually,
First valve includes the first valve housing, is equipped with first partition and second partition in first valve housing, and described the
One partition is equipped with the first stomata, and the second partition is equipped with the second stomata, sets between the first partition and second partition
There is intermediate mass, first stomata is equipped with the first pressing plate close to intermediate mass side, and second stomata is set close to intermediate mass side
There is the second pressing plate, the first compressed spring is equipped between first pressing plate and intermediate mass, between second pressing plate and intermediate mass
Equipped with the second compressed spring, the intermediate mass is equipped with rectangular cam hole, is equipped with cam in the cam hole, on first pressing plate
Equipped with the first hook, the intermediate mass is correspondingly provided with the first drag hook, and second pressing plate is equipped with the second hook, the intermediate mass
It is correspondingly provided with the second drag hook.
As an improvement：Guide rail, first pressing plate, the second pressure are equipped between the first partition and second partition
Plate, intermediate mass and guide rail are slidably connected.
As an improvement：The guide rail is cylinder, and first pressing plate, the second pressing plate, intermediate mass are correspondingly provided with appearance
The through-hole that guide rail passes through.
As an improvement：First hook is arranged along the first pressing plate border, and second hook is along the second pressing plate week
Circle setting.
As an improvement：The sampler includes sampler shell, and the sampler shell is equipped with sample tap, described to take
Sample mouth is equipped with sampling gasket.
As an improvement：The sampler shell is cylinder, and the sample tap is circle.
As an improvement：Annular groove is equipped on the inside of the sample tap, the sampling gasket is correspondingly provided with convex annular
It rises, if being equipped with dry passage in the groove, the channel is connected with air pressure regulator.
As an improvement：The air pressure regulator includes capsul, and the capsul is connected to channel, the sealing
Shell is connected with air pump.
As an improvement：Several buckles are equipped in the sampler shell, the buckle is for fixed sampling gasket.
As an improvement：The sampler shell is equipped with air inlet and air outlet, and the air inlet and air outlet are set
It is placed in sampler shell side.
It is correctly sampled by adopting the above-described technical solution, high pure nitrogen may be implemented in the present invention.
Present invention will be further explained below with reference to the attached drawings and examples.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of nitrogen cylinder sampler of the present invention；
Attached drawing 2 is the structural schematic diagram of the middle section Fig. 1 A-A；
Attached drawing 3 is the enlarged structure schematic diagram of part B in Fig. 2；
Attached drawing 4 is the structural schematic diagram of the first valve in nitrogen cylinder sampler of the present invention.
In figure：1- nitrogen cylinder；2- anchor ear；3- nitrogen bottle valve；The first valve of 4-；The first valve housing of 401-；402-
One partition；403- second partition；The first stomata of 404-；The second stomata of 405-；The first pressing plate of 406-；The second pressing plate of 407-；408-
Intermediate mass；409- cam hole；410- cam；411- guide rail；412- second is linked up with；The second drag hook of 413-；414- first is linked up with；
The first drag hook of 415-；5- pressure reducing valve；6- bracket；7- depressurizes thread barrel；The second valve of 8-；9- sampler；Outside 901- sampler
Shell；902- sample tap；903- samples gasket；904- capsul；905- annular protrusion；906- groove；The channel 907-；908- card
Button；10- air bag.
Specific embodiment
Embodiment：
As shown in fig. 1 to 4, nitrogen cylinder sampler, including the first valve 4, pressure reducing valve 5, decompression screw thread set gradually
Cylinder 7, sampler 9 and air bag 10, first valve 4 include the first valve housing 401, are set in first valve housing 401
There are a first partition 402 and second partition 403, the first partition 402 is equipped with the first stomata 404, on the second partition 403
Equipped with the second stomata 405, intermediate mass 408, first stomata 404 are equipped between the first partition 402 and second partition 403
It is equipped with the first pressing plate 406 close to 408 side of intermediate mass, second stomata 405 is equipped with the second pressing plate close to 408 side of intermediate mass
407, the first compressed spring, second pressing plate 407 and intermediate mass 408 are equipped between first pressing plate 406 and intermediate mass 408
Between be equipped with the second compressed spring, the intermediate mass 408 is equipped with rectangular cam hole 409, is equipped with cam in the cam hole 409
410, first pressing plate 406 is equipped with the first hook 414, and the intermediate mass 408 is correspondingly provided with the first drag hook 415, and described the
Two pressing plates 407 are equipped with the second hook 412, and the intermediate mass 408 is correspondingly provided with the second drag hook 413.The decompression thread barrel 7,
The second valve 8 is equipped between sampler 9.
Guide rail 411, first pressing plate (406), the second pressure are equipped between the first partition 402 and second partition 403
Plate 407, intermediate mass 408 and guide rail 411 are slidably connected.
The guide rail 411 is cylinder, and first pressing plate 406, the second pressing plate 407, intermediate mass 408 are correspondingly provided with appearance and lead
The through-hole that rail 411 passes through.
First hook 414 is arranged along 406 border of the first pressing plate, and second hook 412 is along 407 border of the second pressing plate
Setting.
The sampler 9 includes sampler shell 901, and the sampler shell 901 is equipped with sample tap 902, the sampling
Mouth 902 is equipped with sampling gasket 903.The sampler shell 901 is cylinder, and the sample tap 902 is circle.The sampling
902 inside of mouth is equipped with annular groove 906, and the sampling gasket 903 is correspondingly provided with annular protrusion 905, sets in the groove 906
If there is dry passage 907, the channel 907 is connected with air pressure regulator.The air pressure regulator includes capsul 904, institute
It states capsul 904 to be connected to channel 907, the capsul 904 is connected with air pump.It is equipped in the sampler shell 901 several
Buckle 908, the buckle 908 is for fixed sampling gasket 903.In the slave sample tap 902 that sampling gasket 903 can be convenient
It is put into buckle 908, annular protrusion 905 and groove 906 cooperate, and are fitted in one under the action of air pressure in sampler shell 901
It rises, capsul 904, which is connected with air pump, can control air pressure in capsul 904, and sampling gasket 903 is facilitated to pick and place.
The sampler shell 901 is equipped with air inlet and air outlet, and the air inlet and air outlet are set to sampler
901 side of shell.Be conducive to gas flowing.
First valve 4 of the invention is connect with the opening of nitrogen cylinder 1, and the opening of the nitrogen cylinder 1 is equipped with nitrogen bottle valve
3, the nitrogen cylinder 1 is equipped with anchor ear 2, is equipped with bracket 6 between the anchor ear 2 and decompression thread barrel 7.When in use, nitrogen is opened
Gas cylinder valve 3, rotation cam 410, cam 410 drive intermediate mass 408 to move to 405 direction of the second stomata, and the first drag hook 415 is drawn
Dynamic first hook 414, the first pressing plate 406 leaves the first stomata 404, and nitrogen enters between first partition 402 and second partition 403
Chamber, after nitrogen is full of, close the first stomata 404, open the first stomata 405, nitrogen moves forward, and passes sequentially through
Pressure reducing valve 5 depressurizes thread barrel 7, sampler 9, and original foreign gas enters air bag 10 in last driving device, at sampler 9
Nitrogen be clean gas, sampling success rate is high.After nitrogen enters the chamber between first partition 402 and second partition 403,
The first stomata 404 and the closed tight conjunction of the second stomata 405, prevent gas leakage under gas pressure, at the same can use first partition 402 with
Chamber between second partition 403 controls gas flow, saves nitrogen.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should all fall within the scope of the patent of the present invention.
Claims (10)
1. nitrogen cylinder sampler, it is characterised in that：Including the first valve (4), pressure reducing valve (5), decompression screw thread set gradually
Cylinder (7), sampler (9) and air bag (10), first valve (4) include the first valve housing (401), outside first valve
First partition (402) and second partition (403) are equipped in shell (401), the first partition (402) is equipped with the first stomata
(404), the second partition (403) is equipped with the second stomata (405), the first partition (402) and second partition (403) it
Between be equipped with intermediate mass (408), first stomata (404) close to intermediate mass (408) side be equipped with the first pressing plate (406), it is described
Second stomata (405) is equipped with the second pressing plate (407), first pressing plate (406) and intermediate mass close to intermediate mass (408) side
(408) it is equipped with the first compressed spring between, the second compressed spring is equipped between second pressing plate (407) and intermediate mass (408),
The intermediate mass (408) is equipped with rectangular cam hole (409), is equipped with cam (410) in the cam hole (409), first pressure
Plate (406) is equipped with the first hook (414), and the intermediate mass (408) is correspondingly provided with the first drag hook (415), second pressing plate
(407) it is equipped with the second hook (412), the intermediate mass (408) is correspondingly provided with the second drag hook (413).
2. nitrogen cylinder sampler according to claim 1, it is characterised in that：The first partition (402) and second every
Guide rail (411) are equipped between plate (403), first pressing plate (406), the second pressing plate (407), intermediate mass (408) and guide rail
(411) it is slidably connected.
3. nitrogen cylinder sampler according to claim 2, it is characterised in that：The guide rail (411) is cylinder, described
First pressing plate (406), the second pressing plate (407), intermediate mass (408), which are correspondingly provided with, holds the through-hole that guide rail (411) pass through.
4. nitrogen cylinder sampler according to claim 1, it is characterised in that：First hook (414) is along the first pressure
The setting of plate (406) border, second hook (412) are arranged along the second pressing plate (407) border.
5. nitrogen cylinder sampler according to claim 1, it is characterised in that：The sampler (9) includes outside sampler
Shell (901), the sampler shell (901) are equipped with sample tap (902), and the sample tap (902) is equipped with sampling gasket
(903)。
6. nitrogen cylinder sampler according to claim 5, it is characterised in that：The sampler shell (901) is cylinder
Shape, the sample tap (902) are circle.
7. nitrogen cylinder sampler according to claim 6, it is characterised in that：Ring is equipped on the inside of the sample tap (902)
Connected in star (906), the sampling gasket (903) are correspondingly provided with annular protrusion (905), are equipped in the groove (906) several
Channel (907), the channel (907) are connected with air pressure regulator.
8. nitrogen cylinder sampler according to claim 7, it is characterised in that：The air pressure regulator includes capsul
(904), the capsul (904) is connected to channel (907), and the capsul (904) is connected with air pump.
9. nitrogen cylinder sampler according to claim 5, it is characterised in that：It is equipped in the sampler shell (901)
Several buckles (908), the buckle (908) is for fixed sampling gasket (903).
10. nitrogen cylinder sampler according to claim 5, it is characterised in that：The sampler shell (901) is equipped with
Air inlet and air outlet, the air inlet and air outlet are set to sampler shell (901) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285594.4A CN105954068B (en) | 2016-05-03 | 2016-05-03 | Nitrogen cylinder sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285594.4A CN105954068B (en) | 2016-05-03 | 2016-05-03 | Nitrogen cylinder sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105954068A CN105954068A (en) | 2016-09-21 |
| CN105954068B true CN105954068B (en) | 2018-11-16 |
Family
ID=56913491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610285594.4A Expired - Fee Related CN105954068B (en) | 2016-05-03 | 2016-05-03 | Nitrogen cylinder sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105954068B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339100B (en) * | 2017-08-23 | 2020-07-31 | 湖北弘华长技机电有限公司 | Pipeline joint convenient for sampling in oil exploitation |
| CN109406222B (en) * | 2018-09-29 | 2020-11-17 | 南通职业大学 | Instantaneous phase-adjustable diesel engine cylinder internal gas sampling device and sampling method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702091A (en) * | 1969-04-28 | 1972-11-07 | Argenton Soc | Valve actuator means |
| US3950136A (en) * | 1973-11-07 | 1976-04-13 | N.V. Nederlandse Gasunie | Method and device for taking gas samples |
| US4173895A (en) * | 1978-07-20 | 1979-11-13 | Pecor Lloyd A | Apparatus for and method of sampling liquid oxygen |
| US5027642A (en) * | 1987-10-13 | 1991-07-02 | American Air Liquide | Method of detecting and or removing trace amounts of condensible vapors from compressed gas |
| US5437199A (en) * | 1994-02-16 | 1995-08-01 | Kaplan; Larry | Sampling kit for compressed air/gas sources |
| CN2289927Y (en) * | 1997-01-09 | 1998-09-02 | 常殿林 | Cam valve |
| CN2341142Y (en) * | 1998-04-21 | 1999-09-29 | 杨洪新 | Controllable continuous batching gas sampler |
| CN1563760A (en) * | 2004-03-16 | 2005-01-12 | 曹建钢 | Plane sealed 3-way valve |
| CN101008592A (en) * | 2007-01-22 | 2007-08-01 | 中国科学院广州地球化学研究所 | Sampling device for volatile gas on the surface of water body and soil and sampling method thereof |
| CN202188978U (en) * | 2011-08-10 | 2012-04-11 | 中华人民共和国南通出入境检验检疫局 | Pretreatment device of clamping type gas sampling tank |
| CN103630429A (en) * | 2013-12-04 | 2014-03-12 | 公安部天津消防研究所 | Pressurized sampling device and sampling method based on near infrared spectral analysis |
| CN103672038A (en) * | 2012-09-26 | 2014-03-26 | 苏州工业园区咖乐美电器有限公司 | Liquid diverting device |
| CN204178621U (en) * | 2014-10-23 | 2015-02-25 | 中国石油天然气股份有限公司 | Gas sampling training device |
-
2016
- 2016-05-03 CN CN201610285594.4A patent/CN105954068B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702091A (en) * | 1969-04-28 | 1972-11-07 | Argenton Soc | Valve actuator means |
| US3950136A (en) * | 1973-11-07 | 1976-04-13 | N.V. Nederlandse Gasunie | Method and device for taking gas samples |
| US4173895A (en) * | 1978-07-20 | 1979-11-13 | Pecor Lloyd A | Apparatus for and method of sampling liquid oxygen |
| US5027642A (en) * | 1987-10-13 | 1991-07-02 | American Air Liquide | Method of detecting and or removing trace amounts of condensible vapors from compressed gas |
| US5437199A (en) * | 1994-02-16 | 1995-08-01 | Kaplan; Larry | Sampling kit for compressed air/gas sources |
| CN2289927Y (en) * | 1997-01-09 | 1998-09-02 | 常殿林 | Cam valve |
| CN2341142Y (en) * | 1998-04-21 | 1999-09-29 | 杨洪新 | Controllable continuous batching gas sampler |
| CN1563760A (en) * | 2004-03-16 | 2005-01-12 | 曹建钢 | Plane sealed 3-way valve |
| CN101008592A (en) * | 2007-01-22 | 2007-08-01 | 中国科学院广州地球化学研究所 | Sampling device for volatile gas on the surface of water body and soil and sampling method thereof |
| CN202188978U (en) * | 2011-08-10 | 2012-04-11 | 中华人民共和国南通出入境检验检疫局 | Pretreatment device of clamping type gas sampling tank |
| CN103672038A (en) * | 2012-09-26 | 2014-03-26 | 苏州工业园区咖乐美电器有限公司 | Liquid diverting device |
| CN103630429A (en) * | 2013-12-04 | 2014-03-12 | 公安部天津消防研究所 | Pressurized sampling device and sampling method based on near infrared spectral analysis |
| CN204178621U (en) * | 2014-10-23 | 2015-02-25 | 中国石油天然气股份有限公司 | Gas sampling training device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105954068A (en) | 2016-09-21 |
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Granted publication date: 20181116 Termination date: 20190503 |