CN110672384A - Natural gas pressure boost sampling device - Google Patents
Natural gas pressure boost sampling device Download PDFInfo
- Publication number
- CN110672384A CN110672384A CN201810707908.4A CN201810707908A CN110672384A CN 110672384 A CN110672384 A CN 110672384A CN 201810707908 A CN201810707908 A CN 201810707908A CN 110672384 A CN110672384 A CN 110672384A
- Authority
- CN
- China
- Prior art keywords
- valve
- driving
- gas
- pipeline
- communicated
- 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
Images
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention discloses a natural gas pressurization sampling device, and belongs to the technical field of natural gas sampling. The natural gas pressurizing and sampling device comprises a driving cylinder with a driving piston arranged therein, a driving gas source communicated with the driving cylinder, two pressurizing cylinders with air compression pistons arranged therein, a sample gas source communicated with the pressurizing cylinders, a sampling container and control valves, wherein the two pressurizing cylinders are connected to form a gas pressurizing pump, so that the sample gas in the sample gas source is pressurized, the pressurizing and sampling of the on-site natural gas can be facilitated, and the pressure requirement of the experiment on the natural gas is met. And this natural gas pressure boost sampling device can carry out two side pressure boost, realizes the continuous incessant pressure boost to sample gas, has efficient, sample advantage fast, that intensity of labour is low.
Description
Technical Field
The invention relates to the technical field of natural gas sampling, in particular to a natural gas pressurizing and sampling device.
Background
Natural gas is a clean and efficient energy source, and in practical application, a natural gas sample needs to be sampled in order to analyze components and physical parameters of the collected natural gas.
In the prior art, methods such as an inflation emptying method, a control flow method, a container evacuation method, a movable piston gas cylinder method, a heat preservation and pressure maintaining sampling method and the like are mostly adopted for sampling natural gas.
The inventor finds that at least the following problems exist in the prior art:
in the analysis of physical parameters of natural gas, when a natural gas hydrocarbon dew point simulation phase curve under different pressures is directly measured, the hydrocarbon dew point under the condition that the natural gas pressure reaches 10MPa (critical condensation pressure) is generally measured to simulate a complete dew point curve, while the pressure of a natural gas sample obtained by adopting the conventional method does not exceed the pressure of a gas source (below 10 MPa), and the experimental requirements can not be met.
Disclosure of Invention
The invention provides a natural gas pressurizing and sampling device which can solve the technical problem.
Specifically, the method comprises the following technical scheme:
there is provided a natural gas pressurized sampling device, the pressurized sampling device comprising:
the driving cylinder is internally and adaptively provided with a driving piston, and the driving piston divides the driving cylinder into two driving chambers;
the two pressure cylinders are respectively and hermetically connected to the two ends of the driving cylinder, and air compression pistons are respectively and adaptively arranged in the two pressure cylinders; the driving piston is connected with the two air compression pistons through a piston rod, the area of the side surface, perpendicular to the central axis of the piston rod, of the driving piston is larger than the area of the side surface, perpendicular to the central axis of the piston rod, of the air compression pistons, and one sides, far away from the piston rod, of the two air compression pistons and the corresponding pressure cylinders respectively enclose pressure boosting air chambers;
the driving air source is communicated with the input end of a driving air switch valve through a pipeline, the output end of the driving air switch valve is communicated with the input end of a driving air scavenging valve through a pipeline, and the two output ends of the driving air scavenging valve are respectively communicated with one driving chamber through pipelines;
the sample gas source is communicated with the input end of the sample gas switch valve through a pipeline, the output end of the sample gas switch valve is respectively communicated with the input ends of the two gas inlet one-way valves through pipelines, and the output ends of the two gas inlet one-way valves are respectively communicated with one pressurizing gas chamber through pipelines; and
the sample container, the output intercommunication of sample container through pipeline and sample stop valve, the input of sample stop valve is respectively through pipeline and two output intercommunications of the check valve of giving vent to anger, and two the input of the check valve of giving vent to anger is respectively through pipeline and one the pressurized air chamber intercommunication.
In one possible design, the pressure-increasing sampling device further includes: a driving air pressure regulating valve;
the driving air pressure regulating valve is arranged between the driving air switch valve and the driving air source, the input end of the driving air pressure regulating valve is communicated with the driving air source through a pipeline, and the output end of the driving air pressure regulating valve is communicated with the input end of the driving air switch valve through a pipeline.
In one possible design, the pressurized sampling device further comprises a pneumatic implement valve and an unloading valve;
the pneumatic execution valve is arranged between the driving air pressure regulating valve and the driving air source, the input end of the pneumatic execution valve is communicated with the driving air source through a pipeline, and the output end of the pneumatic execution valve is connected with the input end of the driving air pressure regulating valve through a pipeline;
the unloading valve is arranged between the two air outlet one-way valves, the input end of the unloading valve is communicated with the output end of one air outlet one-way valve, the output end of the unloading valve is communicated with the output end of the other air outlet one-way valve, and the unloading end of the unloading valve is communicated with the driving end of the pneumatic execution valve.
In one possible design, the pressure-increasing sampling device further comprises an exhaust valve;
the exhaust valve is arranged on a pipeline between the unloading valve and the pneumatic execution valve; the input end of the exhaust valve is communicated with the unloading end of the unloading valve through a pipeline, and the output end of the exhaust valve is communicated with the driving end of the pneumatic execution valve through a pipeline.
In one possible design, one side of each of the two displacer pistons close to the piston rod and the corresponding booster cylinder respectively enclose a return air chamber;
a sleeve is arranged on a pipeline connecting the two air outlet one-way valves and the sampling stop valve;
the backflow air chamber is communicated with the sleeve through a first branch.
In a possible design, a second branch is arranged on a pipeline between the air outlet one-way valve and the sampling stop valve and close to the input end of the sampling stop valve, and a vent valve is arranged on the second branch.
In one possible design, the pressure increasing sampling device further comprises a filter;
the filter is arranged between the sample gas source and the sample gas switch valve, the input end of the filter is communicated with the sample gas source through a pipeline, and the output end of the filter is communicated with the input end of the sample gas switch valve through a pipeline.
In a possible design, a first pressure gauge is arranged on a pipeline between the air outlet one-way valve and the sampling stop valve.
In one possible design, a second pressure gauge is arranged on a pipeline between the air inlet one-way valve and the sample air switch valve.
In one possible design, a third pressure gauge is installed on a pipeline between the driving air switch valve and the driving air reversing valve.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
according to the embodiment of the invention, the driving cylinder with the built-in driving piston, the driving gas source communicated with the driving cylinder, the two pressure cylinders with the built-in air compression pistons, the sample gas source communicated with the pressure cylinders, the sampling container and the control valves are connected to form the gas booster pump, so that the sample gas in the sample gas source is boosted, the boosting sampling of the on-site natural gas can be facilitated, and the pressure requirement of the experiment on the natural gas can be met. And this natural gas pressure boost sampling device can carry out two side pressure boost, realizes the continuous incessant pressure boost to sample gas, has efficient, sample advantage fast, that intensity of labour is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a natural gas pressurization sampling device according to an embodiment of the present invention.
The reference numerals in the drawings denote:
1-a driving cylinder; 101-a drive piston; 102-a drive chamber;
2-a pressure cylinder; 201-a displacer; 202-a pressurized gas chamber; 203-a return gas chamber;
3-driving an air source;
4-sample gas source;
5-a sampling vessel;
6-driving an air switch valve;
7-driving a gas scavenging valve;
8-sample gas switching valve;
9-air inlet one-way valve;
10-a sampling stop valve;
11-air outlet one-way valve;
12-driving air pressure regulating valve;
13-a pneumatic actuator valve;
14-an unloading valve;
15-an exhaust valve;
16-a blow-down valve;
17-a filter;
18-a first pressure gauge;
19-a second pressure gauge;
20-a third pressure gauge;
21-a sleeve;
l1 — first branch;
l2-second branch.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings. Unless defined otherwise, all technical terms used in the examples of the present invention have the same meaning as commonly understood by one of ordinary skill in the art.
An embodiment of the present invention provides a natural gas pressurization sampling device, as shown in fig. 1, the pressurization sampling device includes:
the device comprises a driving cylinder 1, wherein a driving piston 101 is fittingly arranged in the driving cylinder 1, and the driving piston 101 divides the driving cylinder 1 into two driving chambers 102;
the two pressure cylinders 2 are respectively and hermetically connected to two ends of the driving cylinder 1, and air compression pistons 201 are respectively and adaptively arranged in the two pressure cylinders 2; the driving piston 101 is connected with the two air compressing pistons 201 through a piston rod, the area of the side surface, perpendicular to the central axis of the piston rod, of the driving piston 101 is larger than the area of the side surface, perpendicular to the central axis of the piston rod, of the air compressing pistons 201, and one sides, far away from the piston rod, of the two air compressing pistons 201 and the corresponding pressure cylinders 2 respectively enclose a pressure boosting air chamber 202;
the driving gas source 3 is communicated with the input end of the driving gas switch valve 6 through a pipeline, the output end of the driving gas switch valve 6 is communicated with the input end of the driving gas scavenging valve 7 through a pipeline, and the two output ends of the driving gas scavenging valve 7 are respectively communicated with one driving chamber 102 through pipelines;
the sample gas source 4 is communicated with the input end of the sample gas switch valve 8 through a pipeline, the output end of the sample gas switch valve 8 is respectively communicated with the input ends of the two gas inlet one-way valves 9 through pipelines, and the output ends of the two gas inlet one-way valves 9 are respectively communicated with one pressurizing gas chamber 202 through pipelines; and
sampling container 5, sampling container 5 is through the output intercommunication of pipeline with sample stop valve 10, and the input of sample stop valve 10 is respectively through pipeline and two output intercommunication of the check valve 11 of giving vent to anger, and the input of the check valve 11 of giving vent to anger respectively through pipeline and a pressurized air chamber 202 intercommunication.
When the device is used, the sample gas switch valve 8, the sampling stop valve 10 and the driving gas switch valve 6 are firstly opened, so that high-pressure power gas in the driving gas source 3 flows into the driving gas scavenging valve 7 after passing through the driving gas switch valve 6, enters the driving chamber 102 (taking the right chamber as an example) on one side of the driving piston 101 through the driving gas scavenging valve 7, the pressure in the driving chamber 102 on the right side is increased, so that the driving piston 101 moves leftwards, the driving chamber 102 on the left side is extruded by the driving piston 101, and the gas in the driving chamber is communicated with the outside through the other output end of the driving gas scavenging valve 7, so that the pressure is kept constant; in the moving process of the driving piston 101, the two air compression pistons 201 are driven to move leftwards, the air inlet one-way valve 9 on the left pressurizing air chamber 202 is closed, the air outlet one-way valve 11 is opened, so that the sample air in the left pressurizing air chamber 202 flows into the sampling container 5 through the sampling stop valve 10, meanwhile, the air inlet one-way valve 9 on the right pressurizing air chamber 202 is opened, the air outlet one-way valve 11 is closed, so that the sample air passes through the sample air switch valve 8 from the sample air source 4 and enters the right pressurizing air chamber 202 through the opened air inlet one-way valve 9; after the driving piston 101 moves to the maximum displacement position leftwards, the driving gas scavenging valve 7 is used for realizing reversing, so that high-pressure power gas flows into the driving chamber 102 on the left side of the driving piston 101, the driving chamber 102 on the right side is communicated with the outside through the driving gas scavenging valve 7 to push the driving piston 101 to move rightwards, the two air compressing pistons 201 are driven to move rightwards in the same way, the air inlet one-way valve 9 on the pressurization air chamber 202 on the right side is closed, the air outlet one-way valve 11 is opened, so that the sample gas in the pressurized gas chamber 202 on the right flows into the sampling vessel 5 through the sampling cut-off valve 10, at the same time, the air inlet check valve 9 on the left pressurizing air chamber 202 is opened, the air outlet check valve 11 is closed, so that the sample gas enters the left pressurizing gas chamber 202 through the sample gas switch valve 8 and the opened gas inlet one-way valve 9, and thus, the sample gas can be pressurized in the pressurizing cylinders 2 on both sides. Repeating above-mentioned process, constantly making sample gas pressure boost after collect sample container 5 in, until the pressure in the sample container 5 reaches the set pressure value, closing sample stop valve 10, the completion is to the pressure boost sample of sample gas.
In the embodiment of the invention, the gas booster pump is formed by arranging the driving cylinder 1 internally provided with the driving piston 101, the driving gas source 3 communicated with the driving cylinder 1, the two pressure cylinders 2 internally provided with the gas compression pistons 201, the sample gas source 4 communicated with the pressure cylinders 2, the sampling container 5 and various control valves, so that the sample gas in the sample gas source 4 is boosted, the on-site natural gas can be conveniently boosted and sampled, and the pressure requirement of an experiment on the natural gas is met. And this natural gas pressure boost sampling device can carry out two side pressure boost, can carry out continuous uninterrupted pressure boost to sample gas, has efficient, sample fast, advantage that intensity of labour is low.
In order to meet different sampling pressure requirements, the natural gas pressure-increasing sampling device may include: a driving air pressure regulating valve 12;
for example, the driving air pressure regulating valve 12 may be disposed between the driving air switching valve 6 and the driving air source 3, an input end of the driving air pressure regulating valve 12 is in line communication with the driving air source 3, and an output end of the driving air pressure regulating valve 12 is in line communication with an input end of the driving air switching valve 6.
When the device is used, high-pressure power gas output from the driving gas source 3 firstly passes through the driving gas pressure regulating valve 12 to regulate the driving gas to proper pressure, and then flows into the driving gas scavenging valve 7 after passing through the driving gas switch valve 6.
The driving gas pressure regulating valve 12 enables the pressure of the driving gas to be adjustable, and an operator can set the pressure of the driving gas pressure regulating valve 12 according to actual needs to control the sampling speed.
In view of the need for sampling automation, it is also possible to have a pressurized sampling device comprising a pneumatic actuation valve 13 and an unloading valve 14.
Illustratively, the pneumatic execution valve 13 is arranged between the driving air pressure regulating valve 12 and the driving air source 3, the input end of the pneumatic execution valve 13 is communicated with the driving air source 3 through a pipeline, and the output end of the pneumatic execution valve 13 is connected with the input end of the driving air pressure regulating valve 12 through a pipeline;
the unloading valve 14 is arranged between the two air outlet one-way valves 11, the input end of the unloading valve 14 is communicated with the output end of one air outlet one-way valve 11, the output end of the unloading valve 14 is communicated with the output end of the other air outlet one-way valve 11, and the unloading end of the unloading valve 14 is communicated with the driving end of the pneumatic execution valve 13.
When the pressure required by sampling is reached, the unloading end of the unloading valve 14 is opened by sample gas, high-pressure gas in a pipeline between the gas outlet one-way valve 11 and the sampling container 5 enters the driving end of the pneumatic execution valve 13 through the unloading end of the unloading valve 14, the pneumatic execution valve 13 is closed, the driving gas source 3 is stopped from transmitting the high-pressure gas to the driving cylinder 1, the input of the driving gas is cut off, the system is automatically stopped, and the sampling stop valve 10 is closed to finish sampling.
By arranging the pneumatic execution valve 13 and the unloading valve 14, the automatic stop sampling of the pressurizing sampling device can be realized, the full-automatic process of the sampling device is ensured, and the device is safe and reliable.
Further, when the sampling is completed, in order to keep the pneumatic actuator valve 13 closed to ensure the safety of the device, the pressurizing sampling device may further include an exhaust valve 15.
Illustratively, the exhaust valve 15 is provided on a line between the unloading valve 14 and the pneumatic actuator valve 13; the input end of the exhaust valve 15 is communicated with the unloading end of the unloading valve 14 through a pipeline, and the output end of the exhaust valve 15 is communicated with the driving end of the pneumatic execution valve 13 through a pipeline.
During application, after sampling is completed, the exhaust valve 15 is closed, so that the gas pressure between the pneumatic execution valve 13 and the exhaust valve 15 is constant, the pneumatic execution valve 13 is kept in a closed state, and the safety of equipment is further ensured.
In the above-mentioned natural gas pressure boost sampling device, because the pressure boost process can produce a large amount of heats, in order to reduce the temperature of the sample gas after the pressure boost, can set up the device and still include the cooling branch road.
For example, one side of each of the two displacer 201 close to the piston rod and the corresponding booster cylinder 2 can be respectively enclosed into a return air chamber 203;
a sleeve 21 is arranged on a pipeline connecting the two air outlet one-way valves 11 and the sampling stop valve 10;
the return air chamber 203 communicates with the sleeve 21 through the first branch L1.
In use, when the driving gas source 3 charges the driving gas into the driving chamber 102 on one side through the driving gas exchanging valve 7, the driving gas also enters the opposite backflow gas chamber 203 through the pipeline. Taking the left side as an example, when the movement of the driving piston 101 drives the two displacer 201 to move to the left side, the displacer 201 on the left side extrudes the pressurizing air chamber 202 on the left side, so that the sample gas enters the sampling container 5 through the one-way valve 11 on the left side via the pipeline externally provided with the sleeve 21, and simultaneously the displacer 201 on the right side extrudes the backflow air chamber 203 on the right side, so that the driving gas in the backflow air chamber 203 enters the sleeve 21 through the first branch L1, and the compressed driving gas in the sleeve 21 plays a cooling role on the sample gas, thereby reducing the temperature of the compressed sample gas.
Further, in order to avoid high-pressure gas staying in the device and ensure safe use, a second branch L2 can be arranged on a pipeline between the air outlet one-way valve 11 and the sampling stop valve 10 and close to the input end of the sampling stop valve 10, and an emptying valve 16 is arranged on the second branch L2.
In application, after the exhaust valve 15 is closed, the emptying valve 16 is opened to discharge the gas between the gas outlet one-way valve 11 and the sampling stop valve 10.
So set up, can be convenient for carry out the evacuation to the device internal gas, guarantee safety between twice use.
The natural gas pressurizing and sampling device can be used for pressurizing and sampling natural gas on site, impurities possibly exist in the collected natural gas, and the pressurizing and sampling device can further comprise a filter 17 in order to obtain cleaner natural gas and reduce damage of particles to parts such as a piston and a valve.
For example, a filter 17 may be disposed between the sample gas source 4 and the sample gas switching valve 8, an input end of the filter 17 being in communication with the sample gas source 4 via a pipeline, and an output end of the filter 17 being in communication with an input end of the sample gas switching valve 8 via a pipeline.
When in use, the sample gas output from the sample gas source 4 can be filtered by the filter 17 and then enters the pressurizing gas chamber 202 through the sample gas switch valve 8 and the gas inlet one-way valve 9.
In the natural gas pressurization sampling device, in order to better monitor the pressurization sampling process and avoid accidents, a plurality of pressure gauges can be arranged on the pipeline for monitoring.
For example, a first pressure gauge 18 may be disposed on the pipeline between the outlet check valve 11 and the sampling stop valve 10 to directly observe the pressure value on the sampling side, so as to facilitate the understanding of the sampling process.
Further, a second pressure gauge 19 can be arranged on the pipeline between the air inlet check valve 9 and the sample air switch valve 8, so that the pressure value of the inlet side of the sample air can be directly observed, and the pressure of the sample air source can be conveniently known.
Further, a third pressure gauge 20 may be installed on the line between the driving gas switching valve 6 and the driving gas switching valve 7 to directly observe the pressure value of the driving gas, thereby facilitating the understanding of the sampling process.
The above description is only for facilitating the understanding of the technical solutions of the present invention by those skilled in the art, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A natural gas pressurized sampling device, characterized in that, the pressurized sampling device includes:
the device comprises a driving cylinder (1), wherein a driving piston (101) is fittingly arranged in the driving cylinder (1), and the driving piston (101) divides the driving cylinder (1) into two driving chambers (102);
the two pressure cylinders (2), the pressure cylinders (2) are respectively connected to two ends of the driving cylinder (1) in a sealing manner, and air compression pistons (201) are respectively arranged in the two pressure cylinders (2) in a matching manner; the driving piston (101) is connected with the two air compressing pistons (201) through a piston rod, the area of the side surface, perpendicular to the central axis of the piston rod, of the driving piston (101) is larger than the area of the side surface, perpendicular to the central axis of the piston rod, of the air compressing piston (201), and one side, far away from the piston rod, of the two air compressing pistons (201) and the corresponding pressurizing cylinder (2) enclose a pressurizing air chamber (202) respectively;
the driving air source (3) is communicated with the input end of a driving air switch valve (6) through a pipeline, the output end of the driving air switch valve (6) is communicated with the input end of a driving air scavenging valve (7) through a pipeline, and two output ends of the driving air scavenging valve (7) are respectively communicated with one driving chamber (102) through pipelines;
the sample gas source (4) is communicated with the input end of the sample gas switch valve (8) through a pipeline, the output end of the sample gas switch valve (8) is respectively communicated with the input ends of the two gas inlet one-way valves (9) through pipelines, and the output ends of the two gas inlet one-way valves (9) are respectively communicated with one pressurizing gas chamber (202) through pipelines; and
sample container (5), sample container (5) are through the output intercommunication of pipeline and sample stop valve (10), the input of sample stop valve (10) is respectively through the pipeline and the output intercommunication of two check valves (11) of giving vent to anger, and two the input of the check valve (11) of giving vent to anger is respectively through pipeline and one plenum chamber (202) intercommunication.
2. The natural gas pressure boost sampling device of claim 1, further comprising: a driving air pressure regulating valve (12);
the driving air pressure regulating valve (12) is arranged between the driving air switch valve (6) and the driving air source (3), the input end of the driving air pressure regulating valve (12) is communicated with the driving air source (3) through a pipeline, and the output end of the driving air pressure regulating valve (12) is communicated with the input end of the driving air switch valve (6) through a pipeline.
3. The natural gas pressurized sampling device according to claim 2, further comprising a pneumatic actuation valve (13) and an unloading valve (14);
the pneumatic execution valve (13) is arranged between the driving air pressure regulating valve (12) and the driving air source (3), the input end of the pneumatic execution valve (13) is communicated with the driving air source (3) through a pipeline, and the output end of the pneumatic execution valve (13) is connected with the input end of the driving air pressure regulating valve (12) through a pipeline;
the unloading valve (14) is arranged between the two air outlet one-way valves (11), the input end of the unloading valve (14) is communicated with the output end of one air outlet one-way valve (11), the output end of the unloading valve (14) is communicated with the output end of the other air outlet one-way valve (11), and the unloading end of the unloading valve (14) is communicated with the driving end of the pneumatic execution valve (13).
4. The natural gas pressurized sampling device according to claim 3, further comprising a vent valve (15);
the exhaust valve (15) is arranged on a pipeline between the unloading valve (14) and the pneumatic execution valve (13); the input end of the exhaust valve (15) is communicated with the unloading end of the unloading valve (14) through a pipeline, and the output end of the exhaust valve (15) is communicated with the driving end of the pneumatic execution valve (13) through a pipeline.
5. The natural gas pressurization sampling device according to claim 1, wherein one side of each of the two displacer pistons (201) close to the piston rod and the corresponding booster cylinder (2) respectively enclose a backflow gas chamber (203);
a sleeve (21) is arranged on a pipeline connecting the two air outlet one-way valves (11) and the sampling stop valve (10);
the return plenum (203) communicates with the sleeve (21) via a first branch (L1).
6. The natural gas pressurization sampling device according to claim 1, characterized in that a second branch (L2) is arranged on a pipeline between the gas outlet check valve (11) and the sampling stop valve (10) near the input end of the sampling stop valve (10), and a vent valve (16) is arranged on the second branch (L2).
7. The natural gas pressurized sampling device of claim 1, further comprising a filter (17);
the filter (17) is arranged between the sample gas source (4) and the sample gas switch valve (8), the input end of the filter (17) is communicated with the sample gas source (4) through a pipeline, and the output end of the filter (17) is communicated with the input end of the sample gas switch valve (8) through a pipeline.
8. The natural gas pressurization sampling device according to claim 1, characterized in that a first pressure gauge (18) is arranged on the pipeline between the gas outlet one-way valve (11) and the sampling stop valve (10).
9. The natural gas pressurization sampling device according to claim 1, characterized in that a second pressure gauge (19) is arranged on the pipeline between the inlet check valve (9) and the sample gas switch valve (8).
10. The natural gas pressurization sampling device according to claim 1, characterized in that a third pressure gauge (20) is installed on the pipeline between the driving gas switching valve (6) and the driving gas reversing valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707908.4A CN110672384B (en) | 2018-07-02 | 2018-07-02 | Natural gas pressure boost sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707908.4A CN110672384B (en) | 2018-07-02 | 2018-07-02 | Natural gas pressure boost sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110672384A true CN110672384A (en) | 2020-01-10 |
| CN110672384B CN110672384B (en) | 2022-06-03 |
Family
ID=69065423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707908.4A Active CN110672384B (en) | 2018-07-02 | 2018-07-02 | Natural gas pressure boost sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110672384B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865948A (en) * | 2021-08-23 | 2021-12-31 | 上海自动化仪表有限公司 | Sampler driving device suitable for rapid sampling |
Citations (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0515495A1 (en) * | 1990-02-15 | 1992-12-02 | Oilphase Sampling Services Limited | Well fluid sampling tool and well fluid sampling method |
| CN2392927Y (en) * | 1999-05-10 | 2000-08-23 | 郭俊杰 | Safety callibration table for high-low pressure gas |
| US6393893B1 (en) * | 1997-07-11 | 2002-05-28 | Edf Polymer Applikation Maschinenfabrik Gmbh | Measuring device and method for measuring gas load in liquids, especially in liquid plastic materials |
| CN101013327A (en) * | 2007-02-07 | 2007-08-08 | 李小卿 | Automatic temperature control apparatus of mould |
| CN101089391A (en) * | 2006-06-14 | 2007-12-19 | 刘建辉 | Gas-pressure inner circulation linear reciprocating compressor |
| CN101451652A (en) * | 2008-12-29 | 2009-06-10 | 大连三高重工设备有限公司 | Compressed-air pipe self-supercharging device and supercharging method thereof |
| CN201347908Y (en) * | 2008-12-23 | 2009-11-18 | 大连海事大学 | Gas-saving type supercharger by utilizing elastic gasbag |
| CN201502579U (en) * | 2009-05-27 | 2010-06-09 | 张明芳 | Booster cylinder and booster pump adopting same |
| CN102042920A (en) * | 2009-10-23 | 2011-05-04 | 中国石油化工股份有限公司 | Trace hydrogen fractionation-free quantitative enrichment system and enrichment method |
| CN102052075A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Sampling device, system for carrying out field sampling in oil field, method and application thereof |
| CN102213651A (en) * | 2011-04-08 | 2011-10-12 | 中国石油大学(北京) | Dust offline sampling system in closed loop type high-pressure natural gas pipeline and sampling method thereof |
| CN202017880U (en) * | 2011-01-26 | 2011-10-26 | 青岛汇森能源设备有限公司 | Low-pressure scattered gas recycling device |
| CN102235231A (en) * | 2011-06-16 | 2011-11-09 | 湖南天雁机械有限责任公司 | Diaphragm type electronic control pressure release valve for turbocharger |
| CN102410281A (en) * | 2011-12-05 | 2012-04-11 | 曲国润 | Hydraulic relay wheel |
| CN102606546A (en) * | 2012-03-15 | 2012-07-25 | 朱剑文 | Energy booster collector of unidirectional and bidirectional fluids |
| CN103343876A (en) * | 2013-07-04 | 2013-10-09 | 李丽萍 | Natural gas filling machine for automatic mobile vehicle |
| CN103364239A (en) * | 2012-10-31 | 2013-10-23 | 中国石油化工股份有限公司 | High-pressure physical property sample transferring device for formation test |
| CN104498357A (en) * | 2015-01-14 | 2015-04-08 | 吉林省农业科学院 | 6-channel rumen fluid external fermentation aerogenesis online detection system |
| CN105527134A (en) * | 2016-01-07 | 2016-04-27 | 淄博祥龙测控技术有限公司 | Positive-pressure sampling pump station for sampling system |
| CN105888608A (en) * | 2014-12-05 | 2016-08-24 | 西安金立石油科技有限公司 | Intelligent control plunger gas lift water drainage and gas recovery system and realizing method thereof |
| CN205665057U (en) * | 2016-05-30 | 2016-10-26 | 重庆密奥仪器有限公司 | Liquefied natural gas sampling device |
| CN106351654A (en) * | 2015-07-16 | 2017-01-25 | 中国石油化工股份有限公司 | Device for sampling of natural gas and method for increasing and reducing gas pressure intensity |
| WO2017072541A1 (en) * | 2015-10-27 | 2017-05-04 | Tsagas, Fotios | Device for the conversion of non potable water into ecological drinking water. |
| CN106908287A (en) * | 2017-02-28 | 2017-06-30 | 中国石油天然气股份有限公司 | A kind of gas collecting device and method for balancing pressure |
| CN107367404A (en) * | 2017-09-11 | 2017-11-21 | 王世禄 | Gas sampling device |
| CN206818457U (en) * | 2017-05-03 | 2017-12-29 | 北京市格雷斯普科技开发公司 | A kind of automatic cycle water quality sampler |
| CN207051053U (en) * | 2017-06-28 | 2018-02-27 | 武汉正元自动化仪表工程有限公司 | A kind of Novel flue gas sampling probe air bubble blow device |
| CN108007651A (en) * | 2017-11-27 | 2018-05-08 | 上海卫星装备研究所 | A kind of air distributing method and device for the detection of spacecraft leak rate |
| CN207351759U (en) * | 2017-11-14 | 2018-05-11 | 洛阳三隆安装检修有限公司 | A kind of sampling system of high temperature and high pressure gas process pipe sample |
| CN207396120U (en) * | 2017-10-23 | 2018-05-22 | 西安思坦科技有限公司 | A kind of nido multi-channel sampling device |
-
2018
- 2018-07-02 CN CN201810707908.4A patent/CN110672384B/en active Active
Patent Citations (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0515495A1 (en) * | 1990-02-15 | 1992-12-02 | Oilphase Sampling Services Limited | Well fluid sampling tool and well fluid sampling method |
| US6393893B1 (en) * | 1997-07-11 | 2002-05-28 | Edf Polymer Applikation Maschinenfabrik Gmbh | Measuring device and method for measuring gas load in liquids, especially in liquid plastic materials |
| CN2392927Y (en) * | 1999-05-10 | 2000-08-23 | 郭俊杰 | Safety callibration table for high-low pressure gas |
| CN101089391A (en) * | 2006-06-14 | 2007-12-19 | 刘建辉 | Gas-pressure inner circulation linear reciprocating compressor |
| CN101013327A (en) * | 2007-02-07 | 2007-08-08 | 李小卿 | Automatic temperature control apparatus of mould |
| CN201347908Y (en) * | 2008-12-23 | 2009-11-18 | 大连海事大学 | Gas-saving type supercharger by utilizing elastic gasbag |
| CN101451652A (en) * | 2008-12-29 | 2009-06-10 | 大连三高重工设备有限公司 | Compressed-air pipe self-supercharging device and supercharging method thereof |
| CN201502579U (en) * | 2009-05-27 | 2010-06-09 | 张明芳 | Booster cylinder and booster pump adopting same |
| CN102042920A (en) * | 2009-10-23 | 2011-05-04 | 中国石油化工股份有限公司 | Trace hydrogen fractionation-free quantitative enrichment system and enrichment method |
| CN102052075A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Sampling device, system for carrying out field sampling in oil field, method and application thereof |
| CN202017880U (en) * | 2011-01-26 | 2011-10-26 | 青岛汇森能源设备有限公司 | Low-pressure scattered gas recycling device |
| CN102213651A (en) * | 2011-04-08 | 2011-10-12 | 中国石油大学(北京) | Dust offline sampling system in closed loop type high-pressure natural gas pipeline and sampling method thereof |
| CN102235231A (en) * | 2011-06-16 | 2011-11-09 | 湖南天雁机械有限责任公司 | Diaphragm type electronic control pressure release valve for turbocharger |
| CN102410281A (en) * | 2011-12-05 | 2012-04-11 | 曲国润 | Hydraulic relay wheel |
| CN102606546A (en) * | 2012-03-15 | 2012-07-25 | 朱剑文 | Energy booster collector of unidirectional and bidirectional fluids |
| CN103364239A (en) * | 2012-10-31 | 2013-10-23 | 中国石油化工股份有限公司 | High-pressure physical property sample transferring device for formation test |
| CN103343876A (en) * | 2013-07-04 | 2013-10-09 | 李丽萍 | Natural gas filling machine for automatic mobile vehicle |
| CN105888608A (en) * | 2014-12-05 | 2016-08-24 | 西安金立石油科技有限公司 | Intelligent control plunger gas lift water drainage and gas recovery system and realizing method thereof |
| CN104498357A (en) * | 2015-01-14 | 2015-04-08 | 吉林省农业科学院 | 6-channel rumen fluid external fermentation aerogenesis online detection system |
| CN106351654A (en) * | 2015-07-16 | 2017-01-25 | 中国石油化工股份有限公司 | Device for sampling of natural gas and method for increasing and reducing gas pressure intensity |
| WO2017072541A1 (en) * | 2015-10-27 | 2017-05-04 | Tsagas, Fotios | Device for the conversion of non potable water into ecological drinking water. |
| CN105527134A (en) * | 2016-01-07 | 2016-04-27 | 淄博祥龙测控技术有限公司 | Positive-pressure sampling pump station for sampling system |
| CN205665057U (en) * | 2016-05-30 | 2016-10-26 | 重庆密奥仪器有限公司 | Liquefied natural gas sampling device |
| CN106908287A (en) * | 2017-02-28 | 2017-06-30 | 中国石油天然气股份有限公司 | A kind of gas collecting device and method for balancing pressure |
| CN206818457U (en) * | 2017-05-03 | 2017-12-29 | 北京市格雷斯普科技开发公司 | A kind of automatic cycle water quality sampler |
| CN207051053U (en) * | 2017-06-28 | 2018-02-27 | 武汉正元自动化仪表工程有限公司 | A kind of Novel flue gas sampling probe air bubble blow device |
| CN107367404A (en) * | 2017-09-11 | 2017-11-21 | 王世禄 | Gas sampling device |
| CN207396120U (en) * | 2017-10-23 | 2018-05-22 | 西安思坦科技有限公司 | A kind of nido multi-channel sampling device |
| CN207351759U (en) * | 2017-11-14 | 2018-05-11 | 洛阳三隆安装检修有限公司 | A kind of sampling system of high temperature and high pressure gas process pipe sample |
| CN108007651A (en) * | 2017-11-27 | 2018-05-08 | 上海卫星装备研究所 | A kind of air distributing method and device for the detection of spacecraft leak rate |
Non-Patent Citations (2)
| Title |
|---|
| 周理等: "《天然气总硫含量测定方法国际标准进展》", 《石油与天然气化工》 * |
| 陈敬等: "《清水阀的液压驱动与自动控制》", 《阀门》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865948A (en) * | 2021-08-23 | 2021-12-31 | 上海自动化仪表有限公司 | Sampler driving device suitable for rapid sampling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110672384B (en) | 2022-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017162154A1 (en) | Pneumatic multi-stage pressurization device | |
| CN110331965B (en) | Continuous circulation supercharging gas production equipment | |
| CN204458573U (en) | A kind of hydraulic system of electromagnetic priority valve durability test | |
| CN110672384B (en) | Natural gas pressure boost sampling device | |
| CN102392810A (en) | Hydraulically driven gas compressor | |
| CN203845759U (en) | Automatic-leveling hydraulic device of scissor lift | |
| CN109653982B (en) | Stepless gas quantity adjusting method for piston compressor with cylinder head gas pipeline backflow | |
| CN208313722U (en) | A kind of U heat exchange pressure testing device | |
| CN214368097U (en) | Automatic reversing valve control system capable of switching pneumatic booster pump | |
| CN205715070U (en) | A kind of pneumatic oil draining system of hydraulic jack | |
| CN209699713U (en) | Full electric injection molding machine penetrates platform gas-liquid driving mechanism | |
| DE4430716A1 (en) | Isothermal hydraulic high=pressure compressor | |
| CN206129740U (en) | Gas cylinder fatigue test hydraulic means | |
| CN212898875U (en) | Gas compression device based on liquid piston | |
| CN209398906U (en) | A kind of hydraulic control system of Direct Travel pneumatic hydraulic actuator | |
| CN208886090U (en) | A kind of pneumatic cut-off valve | |
| CN110672385A (en) | Natural gas pressurizing and sampling device and method | |
| EP2594795A1 (en) | Device for compressing a gas or a fluid comprising gaseous and liquid components, and a submarine boat containing such a device | |
| CN206129743U (en) | A plurality of gas cylinder fatigue test hydraulic means | |
| CN205333255U (en) | A shift mechanism that is used for missed measure examination platform in full -automatic cross valve | |
| CN106368940B (en) | A kind of pressure charging system and its implementation for piston pump | |
| CN206129741U (en) | Gas cylinder fatigue test hydraulic system | |
| CN107882783A (en) | A kind of multiple gas cylinder fatigue test hydraulic means | |
| CN201696372U (en) | Gas-liquid supercharging cylinder with improved structure | |
| CN106351654A (en) | Device for sampling of natural gas and method for increasing and reducing gas pressure intensity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |