CN105954068A - Nitrogen bottle sampling device - Google Patents
Nitrogen bottle sampling device Download PDFInfo
- Publication number
- CN105954068A CN105954068A CN201610285594.4A CN201610285594A CN105954068A CN 105954068 A CN105954068 A CN 105954068A CN 201610285594 A CN201610285594 A CN 201610285594A CN 105954068 A CN105954068 A CN 105954068A
- Authority
- CN
- China
- Prior art keywords
- sampler
- pressing plate
- nitrogen cylinder
- intermediate mass
- hook
- 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.)
- Granted
Links
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 invention provides a nitrogen bottle sampling device. The nitrogen bottle sampling device comprises a first valve, a pressure reducing valve, a pressure reducing screw cylinder, a sampling device and a gasbag, the first valve comprises a first valve shell, a first separator plate and a second separator plate are arranged in the first valve shell, the first separator plate is provided with a first gas hole, the second separator plate is provided with a second gas hole, a middle block is arranged between the first separator plate and the second separator plate, one side of the first gas hole close to the middle block is provided with a first pressure plate, one side of the second gas hole close to the middle block is provided with a second pressure plate, a first compression spring is arranged between the first pressure plate and the middle plate, a second compression spring is arranged between the second pressure plate and the middle block, the middle block is provided with a rectangular cam hole, a cam is arranged in the cam hole, the first pressure plate is provided with a first hook, the middle block is correspondingly provided with a first draw hook, the second pressure plate is provided with a second hook, and the middle block is correspondingly provided with a second draw hook. The nitrogen bottle sampling device adopting the above technical scheme can realize correct sampling of highly pure nitrogen.
Description
Technical field
The present invention relates to electric power gas chromatogram testing equipment field, more particularly to nitrogen cylinder sampler.
Background technology
Chromatograph sample preparation job demand uses 100ml syringe to fill from nitrogen cylinder and takes 50ml high pure nitrogen.Due to height
It is big (12.5MPa) that pure nitrogen gas is saved in pressure in gas cylinder, though still filling the process of taking through air relief valve reduced pressure treatment
In thoroughly do not cause and sample defective phenomenon with the reason such as sampler sealing difference and happen occasionally due to decompression.
Following table is us to annual nitrogen sampling Analysis of Unqualified table (table 1) in 2014:
| Failure cause | Reduce pressure the most thorough | Sampler sealing is poor | Other reasons |
| Sampling number of times | 132 | 144 | 28 |
| Proportion (%) | 43.4 | 47.4 | 9.2 |
Can be seen that air relief valve decompression does not thoroughly cause to sample lose with sampler sealing difference by table 1 statistics
Losing is main cause.Invent a kind of brand-new nitrogen cylinder sampler for this and become solution gas chromatogram test nitrogen
Gas samples the most whether key factor.
The most existing sampler to consume a large amount of nitrogen in use, and after sampling, sampling
In device, the nitrogen of residual still has certain pressure intensity, and in nitrogen cylinder storage room, dismounting can bring certain safety
Hidden danger.
Summary of the invention
The technical problem to be solved in the present invention is to overcome drawbacks described above, it is provided that a kind of safety, nitrogen sampling purity
High nitrogen cylinder sampler.
For solving the problems referred to above, the technical solution adopted in the present invention is:
Nitrogen cylinder sampler, including the first valve set gradually, air relief valve decompression thread barrel, sampling dress
Putting and air bag, described first valve includes the first valve housing, be provided with in described first valve housing first every
Plate and second partition, described first dividing plate is provided with the first pore, and described second partition is provided with the second pore,
Being provided with intermediate mass between described first dividing plate and second partition, described first pore is provided with near intermediate mass side
First pressing plate, described second pore is provided with the second pressing plate near intermediate mass side, and described first pressing plate is with middle
It is provided with the first compression spring between block, between described second pressing plate and intermediate mass, is provided with the second compression spring, institute
Stating intermediate mass and be provided with rectangular cam hole, be provided with cam in described cam hole, described first pressing plate is provided with first
Hook, described intermediate mass is correspondingly provided with the first drag hook, and described second pressing plate is provided with the second hook, described in
Between block be correspondingly provided with the second drag hook.
Improve as one: between described first dividing plate and second partition, be provided with guide rail, described first pressing plate,
Second pressing plate, intermediate mass are connected with slide.
Improve as one: described guide rail is cylindrical, described first pressing plate, the second pressing plate, intermediate mass phase
Should be provided with and hold the through hole that guide rail passes through.
Improving as one: described first hook is arranged along the first pressing plate border, described second hook is along second
Pressing plate border is arranged.
Improve as one: described sampler includes that sampler shell, described sampler shell are provided with
Sample tap, described sample tap is provided with sampling sealing gasket.
Improving as one: described sampler shell is cylindrical, described sample tap is circular.
Improve as one: being provided with annular groove inside described sample tap, described sampling sealing gasket is correspondingly provided with
Annular protrusion, if being provided with dry passage in described groove, described passage connects barometric control unit.
Improve as one: described barometric control unit includes capsul, described capsul and channel connection,
Described capsul connects air pump.
Improving as one: be provided with some buckles in described sampler shell, described buckle takes for fixing
Sample sealing gasket.
Improve as one: described sampler shell is provided with air inlet and gas outlet, described air inlet and
Gas outlet is arranged at sampler shell side.
Owing to have employed technique scheme, the present invention can realize high pure nitrogen and correctly sample.
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of nitrogen cylinder sampler of the present invention；
Accompanying drawing 2 is the structural representation of Fig. 1 middle section A-A；
Accompanying drawing 3 is the structure for amplifying schematic diagram of local B in Fig. 2；
Accompanying drawing 4 is the structural representation of the first valve in nitrogen cylinder sampler of the present invention.
In figure: 1-nitrogen cylinder；2-anchor ear；3-nitrogen cylinder valve；4-the first valve；Outside 401-the first valve
Shell；402-the first dividing plate；403-second partition；404-the first pore；405-the second pore；406-first
Pressing plate；407-the second pressing plate；408-intermediate mass；409-cam hole；410-cam；411-guide rail；412-
Second hook；413-the second drag hook；414-first links up with；415-the first drag hook；5-air relief valve；6-support；
7-reduces pressure thread barrel；8-the second valve；9-sampler；901-sampler shell；902-sample tap；
903-samples sealing gasket；904-capsul；905-annular protrusion；906-groove；907-passage；908-card
Button；10-air bag.
Detailed description of the invention
Embodiment:
If Fig. 1 is to shown in 4, nitrogen cylinder sampler, including the first valve 4 set gradually, air relief valve 5,
Decompression thread barrel 7, sampler 9 and air bag 10, described first valve 4 includes the first valve housing 401,
The first dividing plate 402 and second partition 403, described first dividing plate 402 it is provided with in described first valve housing 401
Being provided with the first pore 404, described second partition 403 is provided with the second pore 405, described first dividing plate 402
And between second partition 403, it being provided with intermediate mass 408, described first pore 404 sets near intermediate mass 408 side
The first pressing plate 406, described second pore 405 is had to be provided with the second pressing plate 407, institute near intermediate mass 408 side
State and between the first pressing plate 406 and intermediate mass 408, be provided with the first compression spring, described second pressing plate 407 with in
Between be provided with the second compression spring between block 408, described intermediate mass 408 is provided with rectangular cam hole 409, described convex
Being provided with cam 410 in wheel bore 409, described first pressing plate 406 is provided with the first hook 414, described intermediate mass
408 are correspondingly provided with the first drag hook 415, and described second pressing plate 407 is provided with the second hook 412, described centre
Block 408 is correspondingly provided with the second drag hook 413.It is provided with the second valve between described decompression thread barrel 7, sampler 9
Door 8.
Guide rail 411 it is provided with between described first dividing plate 402 and second partition 403, described first pressing plate (406),
Second pressing plate 407, intermediate mass 408 are slidably connected with guide rail 411.
Described guide rail 411 is cylindrical, described first pressing plate the 406, second pressing plate 407, intermediate mass 408 phase
Should be provided with and hold the through hole that guide rail 411 passes through.
Described first hook 414 is arranged along the first pressing plate 406 border, and described second hook 412 is along the second pressure
Plate 407 border is arranged.
Described sampler 9 includes that sampler shell 901, described sampler shell 901 are provided with sample tap
902, described sample tap 902 is provided with sampling sealing gasket 903.Described sampler shell 901 is cylindrical,
Described sample tap 902 is circular.Being provided with annular groove 906 inside described sample tap 902, described sampling seals
Pad 903 is correspondingly provided with annular protrusion 905, if being provided with dry passage 907 in described groove 906, and described passage 907
Connect and have barometric control unit.Described barometric control unit includes capsul 904, and described capsul 904 is with logical
Road 907 connects, and described capsul 904 connects air pump.It is provided with some in described sampler shell 901
Buckle 908, described buckle 908 is for fixing sampling sealing gasket 903.Sampling sealing gasket 903 can be convenient
Putting into buckle 908 in sample tap 902, annular protrusion 905 coordinates with groove 906, at sampler
Fitting together under the effect of shell 901 internal gas pressure, capsul 904 connects has air pump can control capsul
904 internal gas pressures, convenient sampling sealing gasket 903 picks and places.
Described sampler shell 901 is provided with air inlet and gas outlet, described air inlet and gas outlet and arranges
In sampler shell 901 side.Be conducive to gas flowing.
First valve 4 of the present invention is connected with the opening of nitrogen cylinder 1, and the opening of described nitrogen cylinder 1 is provided with nitrogen
Gas cylinder valve 3, described nitrogen cylinder 1 is provided with anchor ear 2, is provided with between described anchor ear 2 and decompression thread barrel 7
Support 6.In use, opening nitrogen cylinder valve 3, rotate cam 410, cam 410 drives intermediate mass 408
To the second pore 405 direction motion, the first drag hook 415 pulls the first hook 414, the first pressing plate 406 to leave
First pore 404, nitrogen enters the chamber between the first dividing plate 402 and second partition 403, treats that nitrogen is full of
After, to close the first pore 404, open the first pore 405, nitrogen moves forward, and passes sequentially through decompression
Valve 5, decompression thread barrel 7, sampler 9, in last driving device, original foreign gas enters air bag 10,
Nitrogen at sampler 9 is clean gas, and sampling success rate is high.Nitrogen enter the first dividing plate 402 with
After chamber between second partition 403, under gas pressure, the first pore 404 and the second pore 405 are airtight
Yan He, prevents gas leakage, the chamber between the first dividing plate 402 and second partition 403 can be utilized to control simultaneously
Gas flow processed, saves nitrogen.
Above one embodiment of the present of invention is described in detail, but described content has been only the present invention relatively
Good embodiment, it is impossible to be considered the practical range for limiting the present invention.All made according to the present patent application scope
Impartial change and improvement etc., within the patent covering scope of the present invention all should be belonged to.
Claims (10)
1. nitrogen cylinder sampler, it is characterised in that: include the first valve (4), the air relief valve set gradually
(5) decompression thread barrel (7), sampler (9) and air bag (10), described first valve (4) includes
First valve housing (401), is provided with the first dividing plate (402) and in described first valve housing (401)
Two dividing plates (403), described first dividing plate (402) is provided with the first pore (404), described second partition (403)
It is provided with the second pore (405), in being provided with between described first dividing plate (402) and second partition (403)
Between block (408), described first pore (404) is provided with the first pressing plate (406) near intermediate mass (408) side,
Described second pore (405) is provided with the second pressing plate (407) near intermediate mass (408) side, and described first
Be provided with the first compression spring between pressing plate (406) and intermediate mass (408), described second pressing plate (407) with
Being provided with the second compression spring between intermediate mass (408), described intermediate mass (408) is provided with rectangular cam hole (409),
Being provided with cam (410) in described cam hole (409), described first pressing plate (406) is provided with the first hook
(414), described intermediate mass (408) is correspondingly provided with the first drag hook (415), described second pressing plate (407)
Being provided with the second hook (412), described intermediate mass (408) is correspondingly provided with the second drag hook (413).
Nitrogen cylinder sampler the most according to claim 1, it is characterised in that: described first dividing plate (402)
And be provided with guide rail (411) between second partition (403), described first pressing plate (406), the second pressing plate (407),
Intermediate mass (408) is slidably connected with guide rail (411).
Nitrogen cylinder sampler the most according to claim 2, it is characterised in that: described guide rail (411)
For cylinder, described first pressing plate (406), the second pressing plate (407), intermediate mass (408) are correspondingly provided with appearance
The through hole that guide rail (411) passes through.
Nitrogen cylinder sampler the most according to claim 1, it is characterised in that: described first hook (414)
Arranging along the first pressing plate (406) border, described second hook (412) sets along the second pressing plate (407) border
Put.
Nitrogen cylinder sampler the most according to claim 1, it is characterised in that: described sampler (9)
Including sampler shell (901), described sampler shell (901) is provided with sample tap (902), described
Sample tap (902) is provided with sampling sealing gasket (903).
Nitrogen cylinder sampler the most according to claim 5, it is characterised in that: outside described sampler
Shell (901) is cylindrical, and described sample tap (902) is circular.
Nitrogen cylinder sampler the most according to claim 6, it is characterised in that: described sample tap (902)
Inner side is provided with annular groove (906), and described sampling sealing gasket (903) is correspondingly provided with annular protrusion (905),
Described groove (906) if in be provided with dry passage (907), described passage (907) connects has air pressure adjustment to fill
Put.
Nitrogen cylinder sampler the most according to claim 7, it is characterised in that: described air pressure adjustment fills
Put and include that capsul (904), described capsul (904) connect with passage (907), described capsul (904)
Connect and have air pump.
Nitrogen cylinder sampler the most according to claim 5, it is characterised in that: outside described sampler
Being provided with some buckles (908) in shell (901), described buckle (908) is for fixing sampling sealing gasket (903).
Nitrogen cylinder sampler the most according to claim 5, it is characterised in that: described sampler
Shell (901) is provided with air inlet and gas outlet, and described air inlet and gas outlet are arranged at 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 true CN105954068A (en) | 2016-09-21 |
| CN105954068B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339100A (en) * | 2017-08-23 | 2017-11-10 | 陈彬 | The pipe joint and its method of work of sampling are easy in a kind of oil exploitation |
| CN109406222A (en) * | 2018-09-29 | 2019-03-01 | 南通职业大学 | Gas sampling assembly and the method for sampling in a kind of adjustable cylinder of diesel engine of instantaneous phase |
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339100A (en) * | 2017-08-23 | 2017-11-10 | 陈彬 | The pipe joint and its method of work of sampling are easy in a kind of oil exploitation |
| CN109406222A (en) * | 2018-09-29 | 2019-03-01 | 南通职业大学 | Gas sampling assembly and the method for sampling in a kind of adjustable cylinder of diesel engine of instantaneous phase |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105954068B (en) | 2018-11-16 |
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Granted publication date: 20181116 Termination date: 20190503 |