CN108195639A - Sulfur hexafluoride sampler - Google Patents
Sulfur hexafluoride sampler Download PDFInfo
- Publication number
- CN108195639A CN108195639A CN201711193072.2A CN201711193072A CN108195639A CN 108195639 A CN108195639 A CN 108195639A CN 201711193072 A CN201711193072 A CN 201711193072A CN 108195639 A CN108195639 A CN 108195639A
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- component
- main line
- sulfur hexafluoride
- valve
- sampling
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- 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
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- 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 a kind of sulfur hexafluoride sampler, including：Main line component, main line component include main line, and main line can be connected with sulfur hexafluoride air source；Sampling line component, sampling line component include sampling line, and sampling line is connected with main line；Blowdown piping component, blowdown piping component are connected with main line, and blowdown piping component is to be arranged in parallel with sampling line component.There are security risks when the present invention effectively solves the problems, such as sulfur hexafluoride field sampling of the prior art.
Description
Technical field
The present invention relates to power grid securities to monitor field, in particular to a kind of sulfur hexafluoride sampler.
Background technology
Sulfur hexafluoride is mainly used for arc extinguishing in high-voltage switch gear in network system, in high-power transformer and high-tension cable
It is used as insulating materials.Arc quenching effect in the high-voltage switch gear that the concentration of sulfur hexafluoride directly influences, therefore periodically to high pressure
The concentration monitor of sulfur hexafluoride in switch is very important, and is conducive to exclude the security risk in network system.
However the sulfur hexafluoride sampling in high-voltage switch gear is difficult, monitoring difficulty is big, and there is presently no relatively good scenes
Collector.Although it is less toxic in itself that it, which is primarily due to sulfur hexafluoride, but is a kind of asphyxiant, in higher concentrations can
It has difficulty in breathing, pant, skin and mucous membrane become blue, general spasticity.The mixed gas for sucking the oxygen of 80% sulfur hexafluoride+20% is several
After minute, human body will appear numb limb or even death by suffocation.One of sulfur hexafluoride or six big greenhouse gases simultaneously, it is unsuitable
It is discharged into air.
Traditional field sampling mode, sulfur hexafluoride are easily revealed, and the concentration of sulfur hexafluoride in use is very high, so hexafluoro
Change sulphur when sampling improper leak, at leakage near concentration can bear the limit more than human body, there are security risks.
Invention content
It is of the prior art lithium to solve it is a primary object of the present invention to provide a kind of sulfur hexafluoride sampler
There are problems that security risk during sulphur field sampling.
To achieve these goals, the present invention provides a kind of sulfur hexafluoride sampler, including：Main line component, it is main
Pipeline assembly includes main line, and main line can be connected with sulfur hexafluoride air source；Sampling line component, sampling line component include taking
Sample pipeline, sampling line are connected with main line；Blowdown piping component, blowdown piping component is connected with main line, and blowdown piping
Component is with sampling line component to be arranged in parallel.
Further, sampling line component includes sampling line, signal piping, the first valve and the second valve, detection pipe
Road and sampling line is are arranged in parallel, and the first end of sampling line is connected with main line component, and the second end of sampling line is
Free end, the first valve are arranged on sampling line, and the first end of signal piping is connected with main line component, signal piping
Second end is free end, and the second valve is arranged on signal piping.
Further, sampling line component further includes flowmeter, and flowmeter is arranged on signal piping and positioned at the second valve
The downstream of door.
Further, sampling line component further includes first pressure gauge, and first pressure gauge is arranged on sampling line and position
In the downstream of the first valve.
Further, blowdown piping component further includes blowdown piping and safety valve, the first end and main line of blowdown piping
It is connected, safety valve is arranged on the second end of blowdown piping.
Further, blowdown piping component further includes fluid conveying machine, and fluid conveying machine is disposed adjacent with safety valve
And positioned at the downstream of fluid conveying machine, so that the fluid released from safety valve drains into designated position by fluid conveying machine.
Further, blowdown piping component further includes third valve, and third valve is arranged on blowdown piping and positioned at peace
The upstream of full valve.
Further, main line component further includes pressure reducing valve, and pressure reducing valve is arranged on main line.
Further, main line component further includes second pressure gauge, and second pressure gauge, which is arranged on main line and is located at, to be subtracted
The downstream of pressure valve.
Further, main line component further includes the 4th valve, and the 4th valve is arranged on main line and positioned at pressure reducing valve
Upstream.
It applies the technical scheme of the present invention, main line is connected with sulfur hexafluoride air source, the sampling line of sampling line component
It is connected with main line and facilitates the sampling of sampling line component, sampling line component tail end setting sampling container can conveniently takes again
Sample.The setting of blowdown piping component is used for be vented in pipeline in advance and forming vacuum state.In use, first by main line and six
The connection of sulfur fluoride air source disconnects, and sampling line component, blowdown piping component and main line are in unicom state, then
To be vented and in vacuum state in pipeline in advance using blowdown piping component, disconnect later blowdown piping component and main line it
Between unicom, and the connection of main line and sulfur hexafluoride air source is opened, under the suction function of vacuum, sulfur hexafluoride gas meeting
To sampling line component flow, and enter the sampling container for being arranged on sampling line component tail end, then disconnect main line and six
The connection of sulfur fluoride air source simultaneously switches off the connection between sampling line and main line, can finally take out equipped with lithium
The container of sulphur sample.It can must thus be completed safely under the premise of avoiding discharging sulfur hexafluoride into air as possible lithium
The sampling of sulphur.The scene of realization carries out sampling work under sulfur hexafluoride gas sealing state.Present invention efficiently solves existing skills
There are problems that security risk during sulfur hexafluoride field sampling in art.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the structure diagram of the embodiment of sulfur hexafluoride sampler according to the present invention.
Wherein, above-mentioned attached drawing is marked including the following drawings：
1st, main line component；11st, main line；12nd, sulfur hexafluoride air source；13rd, pressure reducing valve；14th, second pressure gauge；15th,
Four valves；2nd, sampling line component；21st, sampling line；22nd, signal piping；23rd, the first valve；24th, the second valve；25th, flow
Meter；26th, first pressure gauge；3rd, blowdown piping component；31st, blowdown piping；32nd, safety valve；33rd, fluid conveying machine；34th, third
Valve.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made in opposite description to space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that these embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layer
With the thickness in region, and make identical device is presented with like reference characters, thus description of them will be omitted.
As shown in Figure 1, the sulfur hexafluoride sampler of embodiment includes main line component 1, sampling line component 2 and puts
Empty pipeline assembly 3.Main line component 1 includes main line 11, and main line 11 can be connected with sulfur hexafluoride air source 12；Sampling line group
Part 2 includes sampling line 21, and sampling line 21 is connected with main line 11；Blowdown piping component 3 is connected with main line 11, and is vented
Pipeline assembly 3 is with sampling line component 2 to be arranged in parallel.
The technical solution of Application Example, main line 11 are connected with sulfur hexafluoride air source 12, the sampling of sampling line component 2
Pipeline 21 is connected with main line 11 facilitates the sampling of sampling line component 2,2 tail end of sampling line component setting sampling can hold again
Device facilitates sampling.The setting of blowdown piping component 3 is used for be vented in pipeline in advance and forming vacuum state.In use, first will
The connection of main line 11 and sulfur hexafluoride air source 12 disconnects, and by sampling line component 2, blowdown piping component 3 and main line
11 are in unicom state, then will be vented in pipeline in advance using blowdown piping component 3 and in vacuum state, disconnect putting later
Unicom between empty pipeline assembly 3 and main line 11, and the connection of main line 11 and sulfur hexafluoride air source 12 is opened, in vacuum
Suction function under, sulfur hexafluoride gas can be flowed to sampling line component 2, and enter be arranged on 2 tail end of sampling line component
Sampling container, then disconnect the connection of main line 11 and sulfur hexafluoride air source 12, simultaneously switch off sampling line 21 and main line
Connection between 11 can finally take out the container equipped with sulfur hexafluoride sample.Thus can as possible it avoid to air
The sampling of sulfur hexafluoride must be completed under the premise of middle discharge sulfur hexafluoride safely.The scene of realization carries out sulfur hexafluoride gas seal shape
Sampling work under state.
It is appreciated that：Although sulfur hexafluoride is less toxic in itself, sulfur hexafluoride is a kind of asphyxiant, highly concentrated
It can have difficulty in breathing, pant under degree, skin and mucous membrane become blue, general spasticity.Suck the mixing of the oxygen of 80% sulfur hexafluoride+20%
After gas a few minutes, human body will appear numb limb or even death by suffocation.What sulfur hexafluoride air source 12 stored is dense
Sulfur hexafluoride.So sulfur hexafluoride is when sampling improper leak, at leakage near concentration can bear the limit more than human body,
There are security risks.Therefore setting blowdown piping component 3 is sampled be very important safely.
As shown in Figure 1, in the technical solution of embodiment, sampling line component 2 includes sampling line 21, signal piping
22nd, the first valve 23 and the second valve 24, signal piping 22 and sampling line 21 is are arranged in parallel, the first end of sampling line 21
It is connected with main line component 1, the second end of sampling line 21 is free end, and the first valve 23 is arranged on sampling line 21,
The first end of signal piping 22 is connected with main line component 1, and the second end of signal piping 22 is free end, and the second valve 24 is set
It puts on signal piping 22.Signal piping 22 is the concentration in order to detect sulfur hexafluoride in real time in above structure, makes sulfur hexafluoride
Monitoring it is more convenient.First valve 23 is used for opening and closing the unicom between sampling line 21 and main line component 1, the second valve
Door 24 is used for opening and closing the unicom between signal piping 22 and main line component 1.If sampling line 21 samples, then need taking
After sample pipeline 21 installs sampling container, cooperation blowdown piping component 3 carries out container sampling.It is examined if being sampled using detection pipe
It surveys, then the second valve 24 of unlatching is needed to be sampled detection.Two kinds of sampling detection modes allow sampling result more accurately may be used
It leans on.It can carry out repeatedly sampling detection simultaneously, further improve the accuracy of sampling result.Sampling line 21 can be at the scene simultaneously
It carries out gas being taken to work under sulfur hexafluoride gas sealing state.Signal piping 22 can carry out sulfur hexafluoride gas sealing state at the scene
It is lower to carry out detection work.
As shown in Figure 1, in the technical solution of embodiment, sampling line component 2 further includes flowmeter 25, and flowmeter 25 is set
It puts on signal piping 22 and positioned at the downstream of the second valve 24.When sampling detection using detection pipe, pass through 24 He of the second valve
The cooperation of flowmeter 25 facilitates control gas flow, facilitates the detection of signal piping 22.
As shown in Figure 1, in the technical solution of embodiment, sampling line component 2 further includes first pressure gauge 26, the first pressure
Power table 26 is arranged on sampling line 21 and positioned at the downstream of the first valve 23.The setting of first pressure gauge 26 is convenient for probe tube
Air pressure and vacuum degree in road 21 are checked.The opportunity of sampling can preferably be held.
As shown in Figure 1, in the technical solution of embodiment, blowdown piping component 3 further includes blowdown piping 31 and safety valve
32, the first end of blowdown piping 31 is connected with main line 11, and safety valve 32 is arranged on the second end of blowdown piping 31.Safety valve 32
Setting allow blowdown piping component 3 more safe and reliable when vacuumizing.The negative pressure in blowdown piping 31 is avoided to exceed to put
The bearing capacity on blank pipe road 31.
As shown in Figure 1, in the technical solution of embodiment, blowdown piping component 3 further includes fluid conveying machine 33, fluid
Conveying machinery 33 is disposed adjacent with safety valve 32 and positioned at the downstream of fluid conveying machine 33, so that the stream released from safety valve 32
Body drains into designated position by fluid conveying machine 33.33 one side of fluid conveying machine can be used for extracting vacuum, make emptying
Negative pressure is formed in pipeline 31 and sampling line 21.It simultaneously can be by remaining sulfur hexafluoride gas in the pipeline after previous sample
Designated position is drained into, accomplishes the zero-emission of sulfur hexafluoride gas as far as possible.
As shown in Figure 1, in the technical solution of embodiment, blowdown piping component 3 further includes third valve 34, third valve
34 are arranged on blowdown piping 31 and positioned at the upstream of safety valve 32.The setting of third valve 34 is convenient for disconnection or unicom blow-down pipe
Road 31 and main line 11, facilitate the control of blowdown piping component 3.
As shown in Figure 1, in the technical solution of embodiment, main line component 1 further includes pressure reducing valve 13, and pressure reducing valve 13 is set
On main line 11.Pressure reducing valve 13 be setting is pressure for sulfur hexafluoride air source 12 between main line 11, reduces master
The flow velocity of sulfur hexafluoride gas in pipeline 11.Sulfur hexafluoride gas is at compressive state in air source, is directly connected to certainty
The control to sulfur hexafluoride gas flow velocity can be not easy to there are larger pressure.The setting of pressure reducing valve 13 can allow main line 11
Interior sulfur hexafluoride gas flow velocity is decayed, and is more prone to the control of sulfur hexafluoride gas flow velocity.
As shown in Figure 1, in the technical solution of embodiment, main line component 1 further includes second pressure gauge 14, second pressure
Table 14 is arranged on main line 11 and positioned at the downstream of pressure reducing valve 13.The setting of second pressure gauge 14 is convenient for in main line 11
Air pressure and vacuum degree are checked.Being equipped with for second pressure gauge 14 and pressure reducing valve 13, can be by sulfur hexafluoride gas flow velocity
It controls more stable, and quantified controlling can be carried out.
As shown in Figure 1, in the technical solution of embodiment, main line component 1 further includes the 4th valve 15, the 4th valve 15
It is arranged on main line 11 and positioned at the upstream of pressure reducing valve 13.The setting of 4th valve 15 is used for main control pipeline and sulfur hexafluoride
The connection of air source 12 facilitates unicom and the disconnection of main line 11 and sulfur hexafluoride air source 12.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：Main line 11
It is connected with sulfur hexafluoride air source 12, the sampling line 21 of sampling line component 2 is connected with main line 11 facilitates sampling line component 2
Sampling, can again 2 tail end of sampling line component setting sampling container facilitate sampling.The setting of blowdown piping component 3 is used for carrying
It is preceding to be vented in pipeline and form vacuum state.In use, first disconnect the connection of main line 11 and sulfur hexafluoride air source 12, and
Sampling line component 2, blowdown piping component 3 and main line 11 are in unicom state, then carried using blowdown piping component 3
It is preceding to be vented in pipeline and in vacuum state, disconnect the unicom between blowdown piping component 3 and main line 11 later, and will be main
Pipeline 11 and the connection of sulfur hexafluoride air source 12 are opened, and under the suction function of vacuum, sulfur hexafluoride gas can be to sampling line
Component 2 flows, and enters the sampling container for being arranged on 2 tail end of sampling line component, then disconnects main line 11 and sulfur hexafluoride
The connection of air source 12 simultaneously switches off the connection between sampling line 21 and main line 11, can finally take out equipped with lithium
The container of sulphur sample.It can must thus be completed safely under the premise of avoiding discharging sulfur hexafluoride into air as possible lithium
The sampling of sulphur.The scene of realization carries out sampling work under sulfur hexafluoride gas sealing state.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps clearly listed or unit, but may include not listing clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of sulfur hexafluoride sampler, which is characterized in that including：
Main line component (1), the main line component (1) include main line (11), and the main line (11) can be with sulfur hexafluoride
Air source (12) is connected；
Sampling line component (2), the sampling line component (2) include sampling line (21), the sampling line (21) and institute
Main line (11) is stated to be connected；
Blowdown piping component (3), the blowdown piping component (3) is connected with the main line (11), and the blowdown piping group
Part (3) is with the sampling line component (2) to be arranged in parallel.
2. sulfur hexafluoride sampler according to claim 1, which is characterized in that the sampling line component (2) includes
Sampling line (21), signal piping (22), the first valve (23) and the second valve (24), the signal piping (22) and described take
To be arranged in parallel, the first end of the sampling line (21) is connected sample pipeline (21) with the main line component (1), described to take
The second end of sample pipeline (21) is free end, and first valve (23) is arranged on the sampling line (21), the detection
The first end of pipeline (22) is connected with the main line component (1), and the second end of the signal piping (22) is free end, institute
The second valve (24) is stated to be arranged on the signal piping (22).
3. sulfur hexafluoride sampler according to claim 2, which is characterized in that the sampling line component (2) is also wrapped
Flowmeter (25) is included, the flowmeter (25) is arranged on the signal piping (22) and under second valve (24)
Trip.
4. sulfur hexafluoride sampler according to claim 2, which is characterized in that the sampling line component (2) is also wrapped
First pressure gauge (26) is included, the first pressure gauge (26) is arranged on the sampling line (21) and positioned at first valve
(23) downstream.
5. sulfur hexafluoride sampler according to claim 1, which is characterized in that the blowdown piping component (3) is also wrapped
It includes
Blowdown piping (31) and safety valve (32), the first end of the blowdown piping (31) are connected with the main line (11),
The safety valve (32) is arranged on the second end of the blowdown piping (31).
6. sulfur hexafluoride sampler according to claim 5, which is characterized in that the blowdown piping component (3) is also wrapped
Fluid conveying machine (33) is included, the fluid conveying machine (33) is disposed adjacent with the safety valve (32) and positioned at the fluid
The downstream of conveying machinery (33), so as to be drained into from the fluid that the safety valve (32) releases by the fluid conveying machine (33)
Designated position.
7. sulfur hexafluoride sampler according to claim 5, which is characterized in that the blowdown piping component (3) is also wrapped
Third valve (34) is included, the third valve (34) is arranged on the blowdown piping (31) and positioned at the safety valve (32)
Upstream.
8. sulfur hexafluoride sampler according to claim 1, which is characterized in that the main line component (1) further includes
Pressure reducing valve (13), the pressure reducing valve (13) are arranged on the main line (11).
9. sulfur hexafluoride sampler according to claim 8, which is characterized in that the main line component (1) further includes
Second pressure gauge (14), the second pressure gauge (14) are arranged on the main line (11) and positioned at the pressure reducing valve (13)
Downstream.
10. sulfur hexafluoride sampler according to claim 8, which is characterized in that the main line component (1) further includes
4th valve (15), the 4th valve (15) are arranged on the main line (11) and positioned at the upper of the pressure reducing valve (13)
Trip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193072.2A CN108195639A (en) | 2017-11-24 | 2017-11-24 | Sulfur hexafluoride sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193072.2A CN108195639A (en) | 2017-11-24 | 2017-11-24 | Sulfur hexafluoride sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195639A true CN108195639A (en) | 2018-06-22 |
Family
ID=62572950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711193072.2A Pending CN108195639A (en) | 2017-11-24 | 2017-11-24 | Sulfur hexafluoride sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195639A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345086A (en) * | 2019-07-31 | 2019-10-18 | 大庆仁满源科技开发有限公司 | A kind of centrifugal pump shunt sampling emptying device |
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| CN101587031A (en) * | 2009-07-01 | 2009-11-25 | 施宏 | A kind of sealing gas sampling implement device |
| CN201724852U (en) * | 2010-07-20 | 2011-01-26 | 镇海石化建安工程有限公司 | Gas bag sealing sampler |
| CN201925716U (en) * | 2010-12-17 | 2011-08-10 | 中国测试技术研究院流量研究所 | Metering calibration standard device for liquefied natural gas (LNG) dispenser |
| CN202494674U (en) * | 2012-03-13 | 2012-10-17 | 广东电网公司电力科学研究院 | Centralized online sulfur hexafluoride detection system |
| CN202793971U (en) * | 2012-09-26 | 2013-03-13 | 公安部天津消防研究所 | Liquefied natural gas (LNG) leakage diffusion and pool fire burning simulation experiment platform |
| CN203837972U (en) * | 2014-03-28 | 2014-09-17 | 云南电力试验研究院（集团）有限公司电力研究院 | Sulfur hexafluoride sampling device |
| CN204083810U (en) * | 2014-08-05 | 2015-01-07 | 广东电网公司电力科学研究院 | Uninterrupted air feeder |
| CN205192812U (en) * | 2015-09-08 | 2016-04-27 | 广东电网有限责任公司电力科学研究院 | Gaseous automatic sampling device of portable sulfur hexafluoride |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5995458A (en) * | 1982-11-22 | 1984-06-01 | Yanagimoto Seisakusho:Kk | Sampling method of gas chromatograph |
| CN101587031A (en) * | 2009-07-01 | 2009-11-25 | 施宏 | A kind of sealing gas sampling implement device |
| CN201724852U (en) * | 2010-07-20 | 2011-01-26 | 镇海石化建安工程有限公司 | Gas bag sealing sampler |
| CN201925716U (en) * | 2010-12-17 | 2011-08-10 | 中国测试技术研究院流量研究所 | Metering calibration standard device for liquefied natural gas (LNG) dispenser |
| CN202494674U (en) * | 2012-03-13 | 2012-10-17 | 广东电网公司电力科学研究院 | Centralized online sulfur hexafluoride detection system |
| CN202793971U (en) * | 2012-09-26 | 2013-03-13 | 公安部天津消防研究所 | Liquefied natural gas (LNG) leakage diffusion and pool fire burning simulation experiment platform |
| CN203837972U (en) * | 2014-03-28 | 2014-09-17 | 云南电力试验研究院（集团）有限公司电力研究院 | Sulfur hexafluoride sampling device |
| CN204083810U (en) * | 2014-08-05 | 2015-01-07 | 广东电网公司电力科学研究院 | Uninterrupted air feeder |
| CN205192812U (en) * | 2015-09-08 | 2016-04-27 | 广东电网有限责任公司电力科学研究院 | Gaseous automatic sampling device of portable sulfur hexafluoride |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345086A (en) * | 2019-07-31 | 2019-10-18 | 大庆仁满源科技开发有限公司 | A kind of centrifugal pump shunt sampling emptying device |
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Application publication date: 20180622 |