CN107677520A - A kind of natural gas sample collecting apparatus and acquisition method - Google Patents
A kind of natural gas sample collecting apparatus and acquisition method Download PDFInfo
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- CN107677520A CN107677520A CN201711163971.8A CN201711163971A CN107677520A CN 107677520 A CN107677520 A CN 107677520A CN 201711163971 A CN201711163971 A CN 201711163971A CN 107677520 A CN107677520 A CN 107677520A
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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
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Abstract
The present invention discloses a kind of natural gas sample collecting apparatus and acquisition method, and it belongs to experimental analysis technical field, and harvester includes cylinder, sealing lock and air guide mechanism, and cylinder is both ends open and the copper pipe connected, for housing natural gas；Two sealing locks are arranged at intervals on cylinder, and sealing lock being capable of sliding axially and along the radial compaction or release cylinder of cylinder, by adjusting the distance between two sealing locks, realizing to gas storage, the quantitative control of deflation volume in cylinder along cylinder.Acquisition method includes one end of cylinder being connected with air guide mechanism, the natural gas of air supply opening outflow flows into other end outflow through air guide mechanism from one end of cylinder, rinse the cylinder scheduled time, sealing lock of the orderly close-down away from air supply opening and the sealing lock close to air supply opening, sealing lock is set to compress cylinder, the natural gas in cylinder between two sealing locks is the sample collected.
Description
Technical field
The present invention relates to experimental analysis technical field, more particularly to a kind of natural gas sample collecting apparatus and acquisition method.
Background technology
Natural gas refers to a naturally occurring tangential gas in nature, including various natures in atmospheric thermodynamics, hydrosphere and lithosphere
The gas that process is formed.In petroleum geology, casing-head gas and reservoir gas are often referred to, it is formed based on hydro carbons, and containing non-
Appropriate hydrocarbon gas.The compound group of the composition research of natural gas including natural gas into and isotopics analysis.Experimental analysis chemical combination
The analytical instrument that the composition of thing is related to is gas chromatograph, and the analysis of isotopics is related to isotope mass spectrometer.Two kinds of instruments
Sample introduction requirement be gas pressure 0.5-1.0MPa, gas chromatograph sampling volume is 5mL, and isotope mass spectrometer sampling volume is
20-40 μ L, sample size require very low.
Sample collection mainly in researching and analysing, be laboratory carry out Instrumental Analysis important component, collection
Sample quality require purity will height, sealing will get well, and can preserve for a long time, also be easy to from sampling site to laboratory and difference
Transport between laboratory.
The sampling cartridge for being currently used for natural gas experimental analysis is equipped with two kinds：Aluminium foil airbag and steel cylinder.
Aluminium foil airbag material is film coated aluminum foil, and general requirements size is 19cm*19cm, volume 1L, with one or
Two straight-bar valves, its blowing pressure are no more than 3KPa, and its sealing is poor, and sample can not preserve for a long time, and gas pressure-bearing is small, and airbag is easy
Damage, it is impossible to touched with sticker, can not fall, knock, grazing, and will be away from thermal source.Because sealing is poor, gas have it is lost,
Compound composition analysis can only be carried out, the result of isotope analysis is inaccurate, cannot extensive use.Sample sack cracky, it is right
Logistics transportation requires high, and is unable to air transport, poor in timeliness.
Steel cylinder material is that seamless stainless steel or other metal materials, specification change with volume, general volume 0.7L steel
Bottle, long 50cm, diameter 7cm, the blowing pressure 15MPa, weight about 1kg, separately has equipped with one or two valve, and its pressure-bearing is high, close
Envelope property is good, and volume is big, but cost is high, and weight is big, inconvenient to carry, it is impossible to air transport and entrusts to logistics company, can only voluntarily transport
Defeated, cost of transportation is high.Volume can not be adjusted, and sampling quantity is too many, be far longer than the sample size of experimental analysis, actually cause money
Source wastes.
The content of the invention
It is an object of the invention to provide a kind of natural gas sample collecting apparatus and acquisition method, to solve in the prior art
The technical problem that existing sample collecting apparatus cost is high, weight is big, transport is inconvenient to carry, capacity can not be adjusted.
As above conceive, the technical solution adopted in the present invention is：
A kind of natural gas sample collecting apparatus, including：
Cylinder, it is both ends open and the copper pipe connected, for housing natural gas；
Lock is sealed, two sealing locks are arranged at intervals on the cylinder, and the sealing lock can be along the gas storage
Pipe slide axially and along the cylinder radial compaction or unclamp the cylinder；
Air guide mechanism, its one end are detachably connected with the cylinder, and the other end is connected with air supply opening.
Wherein, the sealing lock includes：
Main switch body, offers guide groove thereon, and the cylinder is fed through the guide groove；
Lock core, including be slideably positioned in the guide groove and push wedge and for driving the spiral shell for pushing wedge movement
Bar, the lock core being capable of moving radially along the cylinder.
Wherein, the mounting hole connected with the guide groove, the screw rod and the mounting hole are offered on the main switch body
Be spirally connected and be connected with the wedge that pushes, by rotate the screw rod drive described in push wedge and slided in the guide groove.
Wherein, it is described to push storage tank is offered on wedge and is connected positioned at the storage tank side and with the storage tank
Spacing hole, the end of the screw rod offer annular groove, and the end of the screw rod is located in the storage tank, in the spacing hole
It is provided with the spacer pin with the annular groove grafting.
Wherein, in addition to supporting plate, it is arranged at the side of the cylinder and along the axially extending of the cylinder, institute
Sealing lock is stated to be slidably connected with the supporting plate.
Wherein, the sealing lock also includes ground sill, and it is detachably connected with the main switch body and slided with the supporting plate
Connection, the pilot hole that coordinates with the supporting plate is offered on the ground sill and positioned at the pilot hole side and with the guiding
The positioning hole of hole connection, is provided with the alignment pin abutted with the supporting plate in the positioning hole.
Wherein, the main switch body and the ground sill are detachably connected by screw, and through hole is provided with the main switch body, are used
In wearing the screw, position corresponding with the through hole offers screwed hole on the ground sill.
Wherein, the air guide mechanism includes：
Airway tube, its one end are connected by connection valve with the cylinder, and the other end is connected with pressure-reducing valve；
Connecting tube, its one end are connected with the pressure-reducing valve, and the other end is connected with the air supply opening.
Wherein, in addition to pre-treatment mechanism, one end of itself and the cylinder is detachably connected, pre-treatment mechanism bag
Include quantitative cavity and vavuum pump, the outer wall of the quantitative cavity be provided with the first passage that is connected with the cylinder and with it is described
The second channel of vavuum pump connection, several are additionally provided with the outer wall of the quantitative cavity and is connected with the inner chamber of the quantitative cavity
Interface, the interface is provided with connection valve.
A kind of natural gas sample collection method, including：
One end of cylinder is connected with air guide mechanism, air supply opening outflow natural gas through air guide mechanism from cylinder one
End flows into, and is flowed out from the other end of cylinder, rinses the cylinder scheduled time, sealing lock of the orderly close-down away from air guide mechanism and
Close to the sealing lock of air guide mechanism, sealing lock is set to compress cylinder, the natural gas in cylinder between two sealing locks
The sample as collected.
Beneficial effects of the present invention：
A kind of natural gas sample collecting apparatus proposed by the present invention, cylinder are both ends open and the copper pipe connected, are used for
Accommodating natural gas, cost is low, can use air transportation, ageing strong, easy to carry, recoverable；Between two sealing locks
Every being arranged on cylinder, sealing lock can along cylinder slide axially and along cylinder radial compaction or unclamp gas storage
Pipe, by adjusting the distance between two sealing locks, realize to gas storage, the quantitative control of deflation volume in cylinder so that storage
Gas capacity suitable, avoids sample waste；One end of air guide mechanism is connected with cylinder, and the other end is connected with air supply opening, for
Air guide in cylinder.
Brief description of the drawings
Fig. 1 is the structural representation of natural gas sample collecting apparatus provided by the invention；
Fig. 2 is the cross section structure diagram of the sealing lock of natural gas sample collecting apparatus provided by the invention；
Fig. 3 is Fig. 2 decomposition texture schematic diagram；
Fig. 4 is structural representation when natural gas sample collecting apparatus provided by the invention is sampled；
Fig. 5 is structural representation when natural gas sample collecting apparatus provided by the invention is sampled.
In figure：
1st, cylinder；2nd, lock is sealed；3rd, supporting plate；
21st, main switch body；211st, guide groove；212nd, mounting hole；213rd, through hole；
22nd, wedge is pushed；221st, storage tank；222nd, spacing hole；
23rd, screw rod；231st, annular groove；
24th, ground sill；241st, backing plate；242nd, pilot hole；243rd, positioning hole；244th, screwed hole；
41st, airway tube；42nd, pressure-reducing valve；43rd, connecting tube；
51st, quantitative cavity；52nd, vavuum pump.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
Technical scheme is further illustrated with reference to accompanying drawing and by embodiment.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention is illustrate only in description, accompanying drawing and not all.
Referring to Fig. 1, the embodiment of the present invention provides a kind of natural gas sample collecting apparatus, including cylinder 1, sealing lock 2, leads
Mechanism of qi structure and supporting plate 3.
Cylinder 1 is both ends open and the copper pipe connected, and for housing natural gas, two sealing locks 2 are arranged at intervals at storage
On tracheae 1, sealing lock 2 can along cylinder 1 slide axially and along cylinder 1 radial compaction or unclamp cylinder 1.Branch
Fagging 3 is arranged at the side of cylinder 1 and is slidably connected along the axially extending of cylinder 1, sealing lock 2 with supporting plate 3.
In the present embodiment, the material of cylinder 1 is pure red copper, T2 materials 99.9%, and specification is external diameter 8mm, internal diameter
6mm, length 55cm, volume about 15.6mL.During natural gas transportation, natural gas is stored using cylinder 1, cylinder 1 exists
It is soft using copper pipe material during natural gas transportation, the characteristics of anti-pressure ability is strong, meet the resistance to pressure requirement of gas, have simultaneously
There is ductility feature so that when sealing lock 2 compresses cylinder 1, cylinder 1 is closed, after the release of lock 2 is sealed, gas storage
Pipe 1, which loosens, certain gap, its interior natural gas outflow.Natural gas is housed by cylinder 1, using sealing, lock 2 is right
The both ends of cylinder 1 carry out compression sealing so that natural gas is in transportation, and small volume is portable, and logistics is convenient, improves
The transport convenience of Gas Exploitation sampling device.Certainly, cylinder 1 can select the specification size of other volumes, to adapt to not
Same test environment needs.
Cylinder 1 carries out accommodating transport to natural gas, and its elongate structure, which is squeezed, easily produces deformation or bending, holds
Being easily caused air pressure change in cylinder 1 influences its sealing property, and multiple bending easily causes the fracture opening of cylinder 1, support
The setting of plate 3, two sealing locks 2 are connected as one by supporting plate 3, meanwhile, the radial direction of cylinder 1 is carried out by supporting plate 3
Support, supporting plate 3 play certain protective action to cylinder 1.By cylinder 1, sealing lock 2 and supporting plate 3 supporting construction,
Form the sampling apparatus main body transported to natural gas.Preferably, supporting plate 3 uses long aluminum strip of the cross section for rectangle, long
About 55cm.Aluminium material reduces the weight of Gas Exploitation sampling device.
Sealing lock 2 can move in supporting plate 3, be realized by the distances of two sealing locks 2 to gas storage, deflation volume
Quantitative control.Preferably, the stability that lock 2 ensures sealability using stainless steel is sealed.
Referring to Fig. 2 and Fig. 3, sealing lock 2 includes main switch body 21 and lock core, and guide groove 211, gas storage are offered on main switch body 21
Pipe 1 is fed through guide groove 211, and lock core includes being slideably positioned in pushing wedge 22 and push wedge 22 for driving in guide groove 211
Mobile screw rod 23, screw rod 23, which is used to drive, pushes the moving radially along cylinder 1 of wedge 22, closer or far from cylinder 1.
Screw rod 23 is arranged on main switch body 21, and the mounting hole 212 connected with guide groove 211, spiral shell are offered on main switch body 21
Bar 23 is spirally connected with mounting hole 212 and is connected with pushing wedge 22, and wedge 22 is pushed in sliding in guide groove 211 by rotating the drive of screw rod 23
It is dynamic.The spacing hole 222 that storage tank 221 is offered on wedge 22 and is connected positioned at the side of storage tank 221 and with storage tank 221 is pushed,
The end of screw rod 23 offers annular groove 231, and the end of screw rod 23 is located in storage tank 221, is provided with spacing hole 222 and ring
The spacer pin of the grafting of shape groove 231.In the rotation process of screw rod 23, screw rod 23 is rotated in storage tank 221, and screw rod is avoided by spacer pin
23 in storage tank 221 by deviating from.Specially rotation screw rod 23 drive of opening sealing lock 2 pushes wedge 22 and cylinder 1 is loosened,
Specially rotation screw rod 23 drive of closing sealing lock 2 pushes wedge 22 and carries out compression sealing to cylinder 1, by under the regulation of screw rod 23
The height of wedge 22 is pressed, applies pressure to copper pipe, has the function that to seal copper pipe.
Sealing lock 2 also includes ground sill 24, and it is detachably connected with main switch body 21 and is slidably connected with supporting plate 3, ground sill 24
The opening of guide groove 211 is connected to, wedge 22 is pushed by rotating the driving of screw rod 23 and translates, when pushing wedge 22 and the phase of cylinder 1
To when, be rotated further screw rod 23, driving pushes wedge 22 and the compression fit of ground sill 24, and cylinder 1 is radially compressed into deformation, realization
The compression of cylinder 1 is sealed.It is plane that the compression end face of wedge 22, which is pushed, with the pressure-bearing end face of ground sill 24, by pushing wedge 22
With the compression fit of ground sill 24, cylinder 1 is radially flattened, the inwall of cylinder 1 is compressed to be mutually adjacent to, so as to avoid storing up
The internal gas of tracheae 1 is overflowed by the position of sealing lock 2.
Wedge 22 is pushed in guide groove 211 slide-and-guide can be carried out by slide rail or bearing, avoids pushing wedge 22 to gas storage
When pipe 1 is compressed, the side wall for pushing wedge 22 and guide groove 211 offsets to cause to push wedge 22 and tilted, and influences the pressure to cylinder 1
Tightening seal.
The position of face guide groove 211 is provided with backing plate 241 on ground sill 24, and backing plate 241 acts on pressure-bearing, for supporting
Cylinder 1.Push wedge 22 and deformation is compressed to cylinder 1 with the compression fit of backing plate 241.
Offered on ground sill 24 with the pilot hole 242 of the cooperation of supporting plate 3 and positioned at the side of pilot hole 242 and and pilot hole
The positioning holes 243 of 242 connections, are provided with the alignment pin abutted with supporting plate 3 in positioning hole 243.Supporting plate 3 is plugged in pilot hole
In 242, the shape of pilot hole 242 is engaged with the shape of cross section of supporting plate 3.Sealing lock 2 can be along the length direction of supporting plate 3
Sliding, i.e. supporting plate 3 can be by stretching into or extracting out in pilot hole 242, so as to change position of the sealing lock 2 in supporting plate 3.Storing up
, it is necessary to ensure to seal the stability of attachment structure between lock 2 and cylinder 1 in the transportation of tracheae 1, avoid sealing lock 2 and storage
Rocking between tracheae 1, the positioning hole 243 of connection pilot hole 242 is opened up in the side wall of ground sill 24, supporting plate 3 is encased in guiding
After in hole 242, the axial direction of positioning hole 243 is relative with the side wall of supporting plate 3, after the completion of cylinder 1 samples, will be propped up by alignment pin
Sealing lock 2 on fagging 3 is spacing, and then is connected as one two sealing locks 2 by supporting plate 3.
In the present embodiment, main switch body 21 and ground sill 24 are detachably connected by screw, and through hole is provided with main switch body 21
213, for wearing screw, screwed hole 244 is offered on ground sill 24 with 213 corresponding position of through hole, after screw passes through through hole 213
Lock and connect with screwed hole 244.
Referring to Fig. 4, one end and the cylinder 1 of air guide mechanism are detachably connected, and the other end is connected with air supply opening, installing/dismounting
It is convenient.Specifically, air guide mechanism is connected with the air inlet of cylinder 1.
Air supply opening refers to that the port that collect sample can be provided, can be Oil/gas Well gas outlet or other
The gas outlet of industrial gas or the gas outlet of other large-scale gas storage facilities.Air supply opening is excessive because of pressure, it is impossible to directly with
Cylinder 1 is connected, it is necessary to be attached by other equipment, and the gases at high pressure of air supply opening are changed to preset air pressure, then is led to
Enter into cylinder 1, it is therefore desirable to which air guide mechanism is installed.
Air guide mechanism includes airway tube 41, pressure-reducing valve 42 and connecting tube 43, and one end of airway tube 41 passes through connection valve and storage
Tracheae 1 is connected, and the other end is connected with pressure-reducing valve 42；One end of connecting tube 43 is connected with pressure-reducing valve 42, and the other end connects with air supply opening
Connect.In the present embodiment, airway tube 41 is copper pipe；Cylinder 1 is connected with pressure-reducing valve 42 by 3mm airway tube 41 first,
Pressure-reducing valve 42 is connected with air supply opening by high voltage bearing connecting tube 43 again.Preferably, each coupling part is using straight-through
Connection valve, sealing are sealed using fine copper cutting ferrule.
Referring to Fig. 5, natural gas sample collecting apparatus also includes pre-treatment mechanism, pre-treatment mechanism and one end of cylinder 1
It is detachably connected.Sample pre-treatments are also the pith of experimental analysis, and because the requirement of instrument limits, the sample of collection can not
It is sent directly into instrument and carries out test analysis, it is necessary to which pretreating device is targetedly handled.Existing airbag and steel cylinder
Without the suitable unified sample introduction pretreating device of specially matching.Sample size is held mainly by the experience of experimenter, so real
The quality for testing personnel is very big on experimental result influence, and it is possible to causes the loss and waste of sample.
Pre-treatment mechanism includes quantitative cavity 51 and vavuum pump 52, and the outer wall of quantitative cavity 51 is provided with to be connected with cylinder 1
Logical first passage and the second channel connected with vavuum pump 52.First passage connects with cylinder 1 and will be natural in cylinder 1
Gas is imported into quantitative cavity 51, to ensure the connective stability between cylinder 1 and quantitative cavity 51, using stainless steel cuff
The mode combined with sealing ring is realized the sealing of cylinder 1 and quantitative cavity 51 and is connected.Second channel connects vavuum pump 52, very
Empty pump 52 is connected by needle-valve with quantitative cavity 51, and the internal pressure in quantitative cavity 51 is reduced into purpose pressure by vavuum pump 52
Power, exclude the interference gas in quantitative cavity 51.Meanwhile by being depressured to quantitative cavity 51 so that cylinder 1 and quantitative cavity
Pressure differential between 51 inner chamber be present, after opening sealing lock 2, cylinder 1 is crushed automatically using pressure differential and partly struts one
Determine gap, complete the supply of natural gas.
Several interfaces connected with the inner chamber of quantitative cavity 51 are additionally provided with the outer wall of quantitative cavity 51, interface is set
There is connection valve.Sealing is implemented in combination with being connected with sealing ring by stainless steel cuff between cylinder 1 and quantitative cavity 51.It can lead to
Cross connection valve connection gas chromatograph and isotope mass spectrometer.The online sample introduction part of gas chromatograph passes through needle-valve and quantitative cavity
51 interface is direct-connected.The offline sample introduction part of isotope mass spectrometer is capstan nut, is sealed by rubber blanket, pin during sample introduction
Shape sampler penetrates rubber blanket by nut aperture and extracts natural gas.
Pretreating device can realize natural gas in copper pipe smoothly according to instrument requirements sample introduction.In the present embodiment, it is fixed
It is stainless steel to measure the material of cavity 51, and intracavitary specification is 3cm*3cm*1cm, volume 9mL, realizes the quantitative purpose of sample size.
The one end open of cylinder 1 is air inlet, and another end opening is gas outlet, and air inlet and gas outlet are not fixed
Limitation, simply when in use, the one end being connected with air guide mechanism is air inlet, and the one end being connected with pre-treatment mechanism is outlet
Mouthful.
To sum up, natural gas sample collecting apparatus provided in an embodiment of the present invention, using copper cylinder 1 and stainless steel
The gas transport device of the sealing compression fit of lock 2 of matter, its small volume, structure design materials are few, copper pipe recoverable, cost
Relative reduction, economy improve.Copper pipe material is soft, and structural strength is high, meets the pressure requirements of sample natural gas, copper pipe safety is not
Seepage, it is firm corrosion-resistant.Certainly, what cylinder 1 can also use other metal materials disclosure satisfy that natural gas bearing requirements
Key, such as stainless steel parts.
From the aspect of aviation and land transportation logistics, the small volume of cylinder 1, intensity is high, and storage air pressure meets that air transportation will
Ask, land transportation requirement can also be met, avoid the trouble specially transported.
Cylinder 1 is supported by supporting plate 3, and sealing is compressed by sealing lock 2, and its is simple in construction, in light weight, good portability, and
Each assembling parts dismounting is all very convenient.Sealing lock 2 slides arrangement in supporting plate 3, therefore can sample dosage according to natural gas and want
Ask, the natural gas in interception predetermined length cylinder 1 is sampled experiment, and the cylinder 1 of non-sampling part continues with sealing lock 2
Compression sealing is carried out, so as to avoid the unnecessary waste of sample, the Capacity design of cylinder 1 is met into every sub-sampling sample and met 3-5 times
Test dosage, make the best use of everything, improve the utilization rate of sample.
Cylinder 1 and the connection of pre-treatment mechanism and air guide mechanism are connected with metal sealing, ensure that sealing and safety
Property.Cylinder 1 is consumable accessory due to repeating compression and loosening operation, and pre-treatment mechanism and air guide mechanism can be repeatedly utilized so that,
And copper has regeneration value in itself, contributes to environmental protection.
Based on above-mentioned natural gas sample collecting apparatus, the embodiment of the present invention also provides a kind of side for gathering natural gas sample
Method, comprise the following steps that：
1) pre-pressing；
According to sampling request, the cylinder 1 of predetermined length is intercepted, two sealing locks 2 respectively slide to the length side of supporting plate 3
To both ends, air inlet and the gas outlet at the both ends of cylinder 1 are reserved, the pre-pressing of cylinder 1 is pushed into the He of wedge 22 in sealing lock 2
Between ground sill 24, the pre-installation of cylinder 1 is completed.
Preferably, cylinder 1 intercepts 55cm, meets the test dosage of natural gas sample 3-5 times.Two spacing of sealing lock 2
50cm or so.
2) air guide mechanism is connected；
One end of selected cylinder 1 be air inlet, installs copper cutting ferrule, after according to annexation completion from air supply opening-subtract
The connection of pressure valve 42- airway tube 41- cylinders 1, the one end of airway tube 41 are connected by connection valve with cylinder 1, airway tube 41
The other end is connected by interface with the outlet of pressure-reducing valve 42, and the import of pressure-reducing valve 42 is connected to air supply opening by connecting tube 43.
Copper cutting ferrule ensures the sealing between airway tube 41 and cylinder 1, and airway tube 41 can use high-pressure rubber hose,
The connection of high-pressure rubber hose and cylinder 1 and pressure-reducing valve 42 can be directly connected to using clip.
3) sample；
Specifically, keep sealing lock 2 to be in opening, open gas source feed end switch, adjust pressure-reducing valve 42 by source of the gas
Exported with predetermined air guide pressure to cylinder 1, observation supply end admission pressure to predetermined pressure, air inlet of the air-flow from cylinder 1
Mouth is flowed into and flowed out by gas outlet, and cylinder 1 is rinsed, and after rinsing the scheduled time, the air in cylinder 1 is discharged.
The sealing lock 2 away from air guide mechanism in two sealing locks 2 is first closed, the outlet side of cylinder 1 is compressed and sealed, turns off close lead
The sealing lock 2 of mechanism of qi structure, natural gas is closed in cylinder 1, i.e., at the sealing lock 2 and air inlet at orderly close-down gas outlet
Sealing lock 2, and successively close pressure-reducing valve 42 and supply end.The natural gas in cylinder 1 between two sealing locks 2 is
For the sample collected.Airway tube 41 and cylinder 1 are finally dismantled into separation, complete the sampling to cylinder 1.
Preferably, the outlet pressure of pressure-reducing valve 42 is adjusted to 1.0MPa or so.Rinse scheduled time 20s.
4) pre-treatment mechanism is connected；
Cylinder 1 is transported to laboratory and carries out sample analysis, the one end for selecting cylinder 1 is gas outlet, connects gas storage
Pipe 1 and pre-treatment mechanism, the end of cylinder 1 are set with sealing ring, and quantitatively the air inlet of the first passage of cavity 51 is put stainless
The gas outlet of cylinder 1 is connected by steel hoop, the screw for tightening cuff with the air inlet of quantitative cavity 51, realizes cylinder 1
Installation.
The connection valve of the interface of quantitative cavity 51 is closed, and vavuum pump 52 connects with quantitative cavity 51.Open
Vavuum pump 52, the internal pressure of quantitative cavity 51 is down to preset air pressure value, avoids interference of the air to natural gas in quantitative cavity 51.
After pressure is in stable condition in quantitative cavity 51, vavuum pump 52 is closed.
Preferably, the preset air pressure value in quantitative cavity 51 is 0.1MPa.
5) sample；
Open the sealing lock 2 close to pre-treatment mechanism, i.e., the sealing lock 2 at the gas outlet of cylinder 1, due to quantitative
Pressure differential between cavity 51 and cylinder 1 be present, after sealing lock 2 unclamps, the natural gas in cylinder 1 promotes cylinder 1 to compress
End face is separated from each other, and certain gap is opened at the closing of cylinder 1, so that natural gas sample is passed through in the presence of pressure difference
Into quantitative cavity 51.
After the sealing lock 2 of opening is slid into predetermined length to the direction away from pre-treatment mechanism along supporting plate 3, sealing is closed
To compress cylinder 1, the natural gas after sliding in the cylinder 1 of predetermined length is flowed into quantitative cavity 51 lock 2, is realized pair
The sampling of 1 test samples of cylinder.Specifically, the slip length for sealing lock 2 is 10cm, and under pressure 0.1MPa, volume is about
2.8mL。
6) sample analysis；
Connection valve and instrument on the quantitative cavity 51 of connection, gas chromatograph and same can be respectively communicated with by two connection valves
Position quality spectrometer, completes the sample analysis to natural gas.
, can be by cylinder 1 by being dismantled on quantitative cavity 51 after natural gas sample completes sample introduction analysis, and cut out sample introduction mistake
The part of cylinder 1, avoid interference of the dead volume of cylinder 1 to air pressure during to next sample introduction.
Embodiment of above is to elaborate the general principle and characteristic of the present invention, and the present invention is not limited by above-mentioned embodiment
System, without departing from the spirit and scope of the present invention, the present invention also have various change and change, and these changes and modifications are all
Fall into scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
- A kind of 1. natural gas sample collecting apparatus, it is characterised in that including：Cylinder (1), it is both ends open and the copper pipe connected, for housing natural gas；Lock (2) is sealed, two sealing locks (2) are arranged at intervals on the cylinder (1), and the sealing lock (2) being capable of edge The cylinder (1) slide axially and along the cylinder (1) radial compaction or unclamp the cylinder (1)；Air guide mechanism, its one end are detachably connected with the cylinder (1), and the other end is connected with air supply opening.
- 2. natural gas sample collecting apparatus according to claim 1, it is characterised in that the sealing lock (2) includes：Main switch body (21), offers guide groove (211) thereon, and the cylinder (1) is fed through the guide groove (211)；Lock core, including it is slideably positioned in pushing wedge (22) and described push wedge (22) for driving in the guide groove (211) Mobile screw rod (23), the lock core being capable of moving radially along the cylinder (1).
- 3. natural gas sample collecting apparatus according to claim 2, it is characterised in that offered on the main switch body (21) The mounting hole (212) connected with the guide groove (211), the screw rod (23) be spirally connected with the mounting hole (212) and with it is described Wedge (22) connection is pushed, wedge (22) is pushed described in the screw rod (23) drive in slip in the guide groove (211) by rotating.
- 4. natural gas sample collecting apparatus according to claim 3, it is characterised in that described push offers on wedge (22) Storage tank (221) and the spacing hole (222) connected positioned at the storage tank (221) side and with the storage tank (221), it is described The end of screw rod (23) offers annular groove (231), and the end of the screw rod (23) is located in the storage tank (221), described The spacer pin with the annular groove (231) grafting is provided with spacing hole (222).
- 5. natural gas sample collecting apparatus according to claim 2, it is characterised in that also including supporting plate (3), it is set It is described to seal lock (2) and the supporting plate (3) in the side of the cylinder (1) and along the axially extending of the cylinder (1) It is slidably connected.
- 6. natural gas sample collecting apparatus according to claim 5, it is characterised in that the sealing lock (2) also includes bottom Sill (24), it is detachably connected with the main switch body (21) and is slidably connected with the supporting plate (3), is opened on the ground sill (24) Provided with the pilot hole (242) coordinated with the supporting plate (3) and positioned at the pilot hole (242) side and with the pilot hole (242) positioning hole (243) of connection, the positioning hole (243) is interior to be provided with the alignment pin abutted with the supporting plate (3).
- 7. natural gas sample collecting apparatus according to claim 6, it is characterised in that the main switch body (21) and the bottom Sill (24) are detachably connected by screw, through hole (213) are provided with the main switch body (21), for wearing the screw, institute State position corresponding with the through hole (213) on ground sill (24) and offer screwed hole (244).
- 8. according to the natural gas sample collecting apparatus described in claim any one of 1-7, it is characterised in that the air guide mechanism bag Include：Airway tube (41), its one end are connected by connection valve with the cylinder (1), and the other end is connected with pressure-reducing valve (42)；Connecting tube (43), its one end are connected with the pressure-reducing valve (42), and the other end is connected with the air supply opening.
- 9. according to the natural gas sample collecting apparatus described in claim any one of 1-7, it is characterised in that also including pretreating machine Structure, one end of itself and the cylinder (1) are detachably connected, and the pre-treatment mechanism includes quantitative cavity (51) and vavuum pump (52), the outer wall of the quantitative cavity (51) be provided with the first passage that is connected with the cylinder (1) and with the vavuum pump (52) second channel of connection, it is interior with the quantitative cavity (51) that several are additionally provided with the outer wall of the quantitative cavity (51) The interface of chamber connection, the interface are provided with connection valve.
- A kind of 10. natural gas sample collection method, it is characterised in that including：One end of cylinder (1) is connected with air guide mechanism, the natural gas of air supply opening outflow is through air guide mechanism from cylinder (1) One end flows into, and is flowed out from the other end of cylinder (1), rinses cylinder (1) scheduled time, orderly close-down is away from air guide mechanism Lock (2) and the sealing lock (2) close to air guide mechanism are sealed, sealing lock (2) is compressed cylinder (1), positioned at two sealing locks (2) Between cylinder (1) in natural gas be the sample that collects.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193390A (en) * | 2021-04-29 | 2021-07-30 | 深圳市普锐思高电子科技有限公司 | Copper sheet wiring structure |
Citations (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1391407A (en) * | 1964-04-23 | 1965-03-05 | Maihak Ag M | Gas analyzer with metering device |
| GB1111443A (en) * | 1964-08-10 | 1968-04-24 | British Petroleum Co | Sample injection valve |
| DE1910394B1 (en) * | 1968-02-29 | 1971-04-15 | Ici Ltd | Method and device for filling and sealing a container made of soft plastic |
| US4025244A (en) * | 1974-12-24 | 1977-05-24 | Hokuetsu Kogyo Co., Ltd. | Rotary compressor of liquid-cooled type provided with means for adjusting amount of liquid and volume of gas |
| US4052036A (en) * | 1974-07-15 | 1977-10-04 | Vat Aktiengesellschaft Fur Vakuum-Apparate-Technik | Sliding device for the gas-tight and air-tight closure of a container opening or of a conduit |
| JPS5885313A (en) * | 1981-11-14 | 1983-05-21 | Hiroshi Moriyama | Sluice valve type internal-combustion engine |
| EP0259260A2 (en) * | 1986-08-28 | 1988-03-09 | Ciba-Geigy Ag | Sample metering valve for a sample preparation system |
| DE3707192A1 (en) * | 1987-03-06 | 1988-09-15 | H L Fuge Kohlensaeure Automate | Safety fitting |
| DE3729437A1 (en) * | 1987-05-06 | 1988-11-17 | Kloeckner Humboldt Deutz Ag | Apparatus for guiding torch lances, samplers and the like in and/or out through the orifice of a container |
| JPH09196297A (en) * | 1996-01-22 | 1997-07-29 | Ishikawajima Harima Heavy Ind Co Ltd | Liquid-receiving structure of low-temperature liquefied gas tank |
| NO20003841D0 (en) * | 2000-07-26 | 2000-07-26 | Ide Til Produkt As | Gasskondensator |
| US6148914A (en) * | 1996-10-09 | 2000-11-21 | Schlumberger Technology Corporation | Sampling hydrocarbons in a well using a flexible bag |
| US20040173759A1 (en) * | 2000-08-26 | 2004-09-09 | Koops Hans W.P. | Device, set and method for carrying a gas or a liquid to a surface through a tube |
| EP1715240A2 (en) * | 2005-04-20 | 2006-10-25 | GNC Galileo S.A. | Compressed natural gas refueling system |
| US7225690B1 (en) * | 2002-08-02 | 2007-06-05 | A+ Manufacturing, Llc | Multi-cavity sample cylinder with integrated valving |
| CN101514979A (en) * | 2009-03-31 | 2009-08-26 | 西安近代化学研究所 | Gunpowder-mixed fuel gas bio-toxicological experiment compartment |
| CN201326905Y (en) * | 2008-10-30 | 2009-10-14 | 攀钢集团研究院有限公司 | Titanium tetrachloride transfer device |
| WO2010103476A1 (en) * | 2009-03-10 | 2010-09-16 | A.T. Petroleum S.R.L. | Gun for dispensing gaseous fuel |
| CN201600290U (en) * | 2010-02-03 | 2010-10-06 | 中国石油天然气股份有限公司 | Pressurized gas sampling distributor |
| CN201653760U (en) * | 2010-04-01 | 2010-11-24 | 张金川 | Seal pot |
| CN202521225U (en) * | 2012-03-23 | 2012-11-07 | 冠礼控制科技（上海）有限公司 | Chemical container with precision capacity discharge control function |
| CN102803819A (en) * | 2009-06-10 | 2012-11-28 | 西屋电气有限责任公司 | Domed diaphragm/insert plate for a pressure vessel access closure |
| CN102798555A (en) * | 2012-08-09 | 2012-11-28 | 马文平 | Method for sampling organic volatile compound in product/sample and collector |
| JP2013092254A (en) * | 2005-04-26 | 2013-05-16 | Prospection & Inventions Techniques Spit:Soc | Sealing connector and assembly consisting of transmission member, gas cartridge and adapter comprising sealing connector |
| CN103182119A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗***股份有限公司 | Constant low-pressure air source adjustment device |
| CN103412107A (en) * | 2013-05-24 | 2013-11-27 | 西安近代化学研究所 | Nonideal explosive work capacity measuring device |
| CN103512779A (en) * | 2013-07-17 | 2014-01-15 | 多氟多化工股份有限公司 | Sampler and sampling tube thereof |
| US20140158719A1 (en) * | 2010-08-18 | 2014-06-12 | Summit Packaging Systems, Inc. | Metering valve |
| CN104075110A (en) * | 2013-03-28 | 2014-10-01 | 通用汽车环球科技运作有限责任公司 | Method of increasing storage capacity of natural gas tank |
| CN204328475U (en) * | 2014-11-12 | 2015-05-13 | 上海浦江特种气体有限公司 | A kind of Seamless Gas Cylinder end plug sealing configuration |
| CN204984614U (en) * | 2015-09-24 | 2016-01-20 | 宁波星豪汽车维修有限公司 | Engine intake piston compression ratio governing system |
| CN105277670A (en) * | 2015-10-14 | 2016-01-27 | 西安近代化学研究所 | Gunpowder specific volume measuring instrument |
| CN205447263U (en) * | 2016-03-28 | 2016-08-10 | 安瑞科(廊坊)能源装备集成有限公司 | Low temperature medium storage tank |
| JP2017042441A (en) * | 2015-08-27 | 2017-03-02 | エア・ウォーター防災株式会社 | Control method for gas system extinguishment equipment, and gas system extinguishment system |
| CN206114350U (en) * | 2016-11-03 | 2017-04-19 | 周维锁 | Pressure vessel presses in area safe automatic sampling instrument |
| CN206175895U (en) * | 2016-11-14 | 2017-05-17 | 天津***能源科技有限公司 | Device for connecting take pneumatic drill hole |
| CN106870933A (en) * | 2017-02-17 | 2017-06-20 | 平罗县龙江液化气有限责任公司 | A kind of liquefied natural gas bottle topping up automatic limit device |
| CN106908287A (en) * | 2017-02-28 | 2017-06-30 | 中国石油天然气股份有限公司 | Pressure-balancing gas collection device and method |
| CN206504890U (en) * | 2017-03-01 | 2017-09-19 | 中国矿业大学(北京) | A kind of coal sample tank that can be used for drilling to take coal sample |
| CN206523520U (en) * | 2017-03-10 | 2017-09-26 | 大连京诚盛宏源检测技术有限公司 | A kind of gas driven injection device |
| CN206530870U (en) * | 2017-03-07 | 2017-09-29 | 鄂尔多斯市新杭能源有限公司 | A kind of new type low temperature liquid storage vessel |
| CN207540844U (en) * | 2017-11-21 | 2018-06-26 | 中国石油大学(北京) | A kind of natural gas sample collecting apparatus |
-
2017
- 2017-11-21 CN CN201711163971.8A patent/CN107677520B/en active Active
Patent Citations (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1391407A (en) * | 1964-04-23 | 1965-03-05 | Maihak Ag M | Gas analyzer with metering device |
| GB1111443A (en) * | 1964-08-10 | 1968-04-24 | British Petroleum Co | Sample injection valve |
| DE1910394B1 (en) * | 1968-02-29 | 1971-04-15 | Ici Ltd | Method and device for filling and sealing a container made of soft plastic |
| US4052036A (en) * | 1974-07-15 | 1977-10-04 | Vat Aktiengesellschaft Fur Vakuum-Apparate-Technik | Sliding device for the gas-tight and air-tight closure of a container opening or of a conduit |
| US4025244A (en) * | 1974-12-24 | 1977-05-24 | Hokuetsu Kogyo Co., Ltd. | Rotary compressor of liquid-cooled type provided with means for adjusting amount of liquid and volume of gas |
| JPS5885313A (en) * | 1981-11-14 | 1983-05-21 | Hiroshi Moriyama | Sluice valve type internal-combustion engine |
| EP0259260A2 (en) * | 1986-08-28 | 1988-03-09 | Ciba-Geigy Ag | Sample metering valve for a sample preparation system |
| DE3707192A1 (en) * | 1987-03-06 | 1988-09-15 | H L Fuge Kohlensaeure Automate | Safety fitting |
| DE3729437A1 (en) * | 1987-05-06 | 1988-11-17 | Kloeckner Humboldt Deutz Ag | Apparatus for guiding torch lances, samplers and the like in and/or out through the orifice of a container |
| JPH09196297A (en) * | 1996-01-22 | 1997-07-29 | Ishikawajima Harima Heavy Ind Co Ltd | Liquid-receiving structure of low-temperature liquefied gas tank |
| US6148914A (en) * | 1996-10-09 | 2000-11-21 | Schlumberger Technology Corporation | Sampling hydrocarbons in a well using a flexible bag |
| NO20003841D0 (en) * | 2000-07-26 | 2000-07-26 | Ide Til Produkt As | Gasskondensator |
| US20040173759A1 (en) * | 2000-08-26 | 2004-09-09 | Koops Hans W.P. | Device, set and method for carrying a gas or a liquid to a surface through a tube |
| US7225690B1 (en) * | 2002-08-02 | 2007-06-05 | A+ Manufacturing, Llc | Multi-cavity sample cylinder with integrated valving |
| EP1715240A2 (en) * | 2005-04-20 | 2006-10-25 | GNC Galileo S.A. | Compressed natural gas refueling system |
| JP2013092254A (en) * | 2005-04-26 | 2013-05-16 | Prospection & Inventions Techniques Spit:Soc | Sealing connector and assembly consisting of transmission member, gas cartridge and adapter comprising sealing connector |
| CN201326905Y (en) * | 2008-10-30 | 2009-10-14 | 攀钢集团研究院有限公司 | Titanium tetrachloride transfer device |
| WO2010103476A1 (en) * | 2009-03-10 | 2010-09-16 | A.T. Petroleum S.R.L. | Gun for dispensing gaseous fuel |
| CN101514979A (en) * | 2009-03-31 | 2009-08-26 | 西安近代化学研究所 | Gunpowder-mixed fuel gas bio-toxicological experiment compartment |
| CN102803819A (en) * | 2009-06-10 | 2012-11-28 | 西屋电气有限责任公司 | Domed diaphragm/insert plate for a pressure vessel access closure |
| CN201600290U (en) * | 2010-02-03 | 2010-10-06 | 中国石油天然气股份有限公司 | Pressurized gas sampling distributor |
| CN201653760U (en) * | 2010-04-01 | 2010-11-24 | 张金川 | Seal pot |
| US20140158719A1 (en) * | 2010-08-18 | 2014-06-12 | Summit Packaging Systems, Inc. | Metering valve |
| CN103182119A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗***股份有限公司 | Constant low-pressure air source adjustment device |
| CN202521225U (en) * | 2012-03-23 | 2012-11-07 | 冠礼控制科技（上海）有限公司 | Chemical container with precision capacity discharge control function |
| CN102798555A (en) * | 2012-08-09 | 2012-11-28 | 马文平 | Method for sampling organic volatile compound in product/sample and collector |
| CN104075110A (en) * | 2013-03-28 | 2014-10-01 | 通用汽车环球科技运作有限责任公司 | Method of increasing storage capacity of natural gas tank |
| CN103412107A (en) * | 2013-05-24 | 2013-11-27 | 西安近代化学研究所 | Nonideal explosive work capacity measuring device |
| CN103512779A (en) * | 2013-07-17 | 2014-01-15 | 多氟多化工股份有限公司 | Sampler and sampling tube thereof |
| CN204328475U (en) * | 2014-11-12 | 2015-05-13 | 上海浦江特种气体有限公司 | A kind of Seamless Gas Cylinder end plug sealing configuration |
| JP2017042441A (en) * | 2015-08-27 | 2017-03-02 | エア・ウォーター防災株式会社 | Control method for gas system extinguishment equipment, and gas system extinguishment system |
| CN204984614U (en) * | 2015-09-24 | 2016-01-20 | 宁波星豪汽车维修有限公司 | Engine intake piston compression ratio governing system |
| CN105277670A (en) * | 2015-10-14 | 2016-01-27 | 西安近代化学研究所 | Gunpowder specific volume measuring instrument |
| CN205447263U (en) * | 2016-03-28 | 2016-08-10 | 安瑞科(廊坊)能源装备集成有限公司 | Low temperature medium storage tank |
| CN206114350U (en) * | 2016-11-03 | 2017-04-19 | 周维锁 | Pressure vessel presses in area safe automatic sampling instrument |
| CN206175895U (en) * | 2016-11-14 | 2017-05-17 | 天津***能源科技有限公司 | Device for connecting take pneumatic drill hole |
| CN106870933A (en) * | 2017-02-17 | 2017-06-20 | 平罗县龙江液化气有限责任公司 | A kind of liquefied natural gas bottle topping up automatic limit device |
| CN106908287A (en) * | 2017-02-28 | 2017-06-30 | 中国石油天然气股份有限公司 | Pressure-balancing gas collection device and method |
| CN206504890U (en) * | 2017-03-01 | 2017-09-19 | 中国矿业大学(北京) | A kind of coal sample tank that can be used for drilling to take coal sample |
| CN206530870U (en) * | 2017-03-07 | 2017-09-29 | 鄂尔多斯市新杭能源有限公司 | A kind of new type low temperature liquid storage vessel |
| CN206523520U (en) * | 2017-03-10 | 2017-09-26 | 大连京诚盛宏源检测技术有限公司 | A kind of gas driven injection device |
| CN207540844U (en) * | 2017-11-21 | 2018-06-26 | 中国石油大学(北京) | A kind of natural gas sample collecting apparatus |
Non-Patent Citations (4)
| Title |
|---|
| WANG XIONGXIONG等: "An optimal design of completion string of an injection and production well in the Yulinnan Underground Gas Storage", NATURAL GAS INDUSTRY, vol. 34, no. 1, pages 92 - 96 * |
| 刘金钟, 向同寿: "少量/微量烃类气体的收集、定量分析及碳同位素分析方法", 石油实验地质, no. 05, pages 78 - 83 * |
| 赵琦璘: "外压检测套管螺纹密封性装置的研究", 中国优秀硕士学位论文全文数据库工程科技Ⅰ辑, no. 8, pages 019 - 318 * |
| 陈胜男等: "浅谈天然气的集输送管理", 化学工程与装备, no. 6, pages 105 - 106 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193390A (en) * | 2021-04-29 | 2021-07-30 | 深圳市普锐思高电子科技有限公司 | Copper sheet wiring structure |
| CN113193390B (en) * | 2021-04-29 | 2022-07-05 | 深圳市普锐思高电子科技有限公司 | Copper sheet wiring structure |
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