CN106644605B - Device and method for collecting bubble gas in geothermal water - Google Patents
Device and method for collecting bubble gas in geothermal water Download PDFInfo
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- CN106644605B CN106644605B CN201610928744.9A CN201610928744A CN106644605B CN 106644605 B CN106644605 B CN 106644605B CN 201610928744 A CN201610928744 A CN 201610928744A CN 106644605 B CN106644605 B CN 106644605B
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- sampler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002808 molecular sieve Substances 0.000 claims abstract description 22
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 16
- 239000008399 tap water Substances 0.000 claims abstract description 16
- 235000020679 tap water Nutrition 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N2001/2267—Sampling from a flowing stream of gas separating gas from liquid, e.g. bubbles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
- G01N2001/242—Injectors or ejectors
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the field of gas content and isotope composition measurement, and particularly discloses a device for collecting bubble gas in geothermal water, which comprises a tap water container, a first ball valve, a film gauge, a second ball valve, a molecular sieve trap, a three-channel ball valve, an injector, an inverted glass funnel and a sampler, wherein an air outlet of the first ball valve is inserted into the tap water container, an air inlet of the first ball valve and an air outlet of the second ball valve are respectively connected with an outlet and an inlet of the sampler, the film gauge is connected with a measuring port of the sampler, an air outlet and an air inlet of the molecular sieve trap are respectively connected with an air inlet of the second ball valve and one channel of the three-channel ball valve, and the other two channels of the three-channel ball valve are respectively connected with the injector and the glass funnel. The method solves the problems that the gas humidity is high in the collecting process and the collected gas quantity cannot be accurately indicated; and the pressure of the collected gas is higher than one atmosphere, so that the problem that the storage process is easy to be polluted by air is solved.
Description
Technical Field
The invention belongs to the field of gas content and isotope composition measurement, and particularly relates to a device and a method for collecting bubble gas in geothermal water.
Background
The deep source gas in the earth mainly escapes through two ways, one is directly escapes through the earth solid rock cracks or fracture zones, the other is escapes through geothermal water in the form of bubbles, the former is directly connected with a corresponding sampling device, the gas is flushed into a sampling bottle, the latter is difficult to directly connect with the sampling device for direct collection because of escaping through a surface water source in the form of bubbles, and therefore the difficulty of the sampling process is high.
For the gas escaping through geothermal water in the form of bubbles, the drainage method is basically adopted for collection at home at present, and the method has two disadvantages: 1) The humidity of the gas collected by the drainage method is high, the gas and the vapor are very much, and in the testing process, the vapor is mixed into the testing instrument, so that the instrument is difficult to vacuumize due to pollution; 2) The collected gas does not accurately indicate pressure and volume, which presents difficulties in terms of the need to quantitatively measure the gas content; 3) The air pressure collected by the drainage method is smaller than the standard air pressure, and the air can be very much permeated into the collected air to cause pollution in the storage process.
Disclosure of Invention
The invention aims to provide a collecting device and a collecting method for bubble gas in geothermal water, which solve the problems that the gas humidity is high and the collected gas quantity cannot be accurately indicated in the collecting process; and the pressure of the collected gas is higher than one atmosphere, so that the problem that the storage process is easy to be polluted by air is solved.
The technical scheme for realizing the purpose of the invention comprises the following steps: the utility model provides a gaseous collection device of bubble in geothermal water, the device includes running water container, first ball valve, film gauge, second ball valve, molecular sieve trap, three-channel ball valve, the syringe, invert glass funnel and sampler, in the running water container was inserted to the gas outlet of first ball valve, the gas outlet of second ball valve divide by with the export of sampler, the entry is connected, the film gauge is connected with the measuring port of sampler, the gas outlet of molecular sieve trap, the gas inlet respectively with the air inlet of second ball valve, one channel connection of three-channel ball valve, two other channels of three-channel ball valve are connected with the syringe respectively with glass funnel.
The three-way ball valve comprises a three-way ball valve channel I, a three-way ball valve public channel and a three-way ball valve channel II, wherein an air inlet of the molecular sieve trap is respectively connected with the three-way ball valve channel I of the three-way ball valve, the ball valve public channel of the three-way ball valve is connected with an outlet of the injector, and the three-way ball valve channel II of the three-way ball valve is connected with the silica gel tube.
The air outlet of the first ball valve is provided with a silica gel pipe which is inserted into the tap water container.
The air outlet of the first ball valve is connected with the silicone tube through a quick connector.
And the air inlets of the first ball valve and the air outlets of the second ball valve are respectively connected with the outlet and the inlet of the sampler through a metal cutting sleeve joint.
The ball valve public channel of three-channel ball valve pass through quick-operation joint and the exit linkage of syringe, three-channel ball valve's three-way ball valve passageway two pass through quick-operation joint and be connected with the silicone tube, this silicone tube passes through quick-operation joint and is connected with the straight tube section of glass funnel.
A method for collecting bubble gas in geothermal water, comprising the steps of:
step 1, returning a piston of the injector to the original position, placing a glass funnel below the water surface of a geothermal water source containing gas to be collected, and inserting an air outlet of a first ball valve below the liquid surface of a tap container through a silica gel pipe;
Step2, opening the first ball valve and the second ball valve, and adjusting the three-way ball valve to enable a three-way ball valve channel II of the three-way ball valve to be communicated with a ball valve public channel;
step 3, pulling a piston of the injector, pumping gas to be collected into the injector, and adjusting the three-channel ball valve to enable a first three-channel ball valve channel of the three-channel ball valve to be communicated with a ball valve public channel;
Step 4, pressing down a piston of the injector, filling the gas to be collected into the sampler through a molecular sieve trap, and introducing the gas into a tap water container;
Step 5, circularly executing the step 2, the step 3 and the step 4 for a plurality of times, and fully driving away the air in the sampler;
step 6, closing the first ball valve, pulling a piston of the injector, pumping the gas to be collected into the injector, and adjusting the three-channel ball valve to enable a first three-channel ball valve channel of the three-channel ball valve to be communicated with a ball valve public channel;
Step 7, pressing down a piston of the injector, and transferring the gas to be collected into a sampler;
And 8, circularly executing the step 6 and the step 7 by observing the indication of the film gauge until the gas pressure of the sampler is higher than a certain value, recording the readings, and completing the collection of the gas to be collected of bubbles in the geothermal water source.
The number of times of circularly executing the step 2, the step 3 and the step 4 in the step 5 is usually 3 to 5 times.
The molecular sieve trap is replaced by a new molecular sieve trap after the sampling of each sample is finished.
In the step 8, the gas pressure of the sampler is higher than one atmosphere.
The beneficial technical effects of the invention are as follows: the invention has simple structure, convenient operation and strong practicability. The molecular sieve can fully adsorb water vapor before the gas sampler, and the gas to be collected is dried; the gas sampler is a regular cylindrical pipeline, can calculate the accurate volume of the gas sampler, is matched with a high-accuracy film gauge with high accuracy and a maximum measuring range of 1000torr, can accurately measure the pressure of the collected gas, and further obtains the quantity of the collected gas; the three-way ball valve can realize smooth switching of the gas path channel, so that the collected gas is firstly passed through the injector and then is switched to the sampler, and then the gas can be reciprocally and circularly transferred until the gas pressure in the sampler is greater than one atmosphere, and the pollution of the atmosphere in the storage process is avoided; a silica gel pipe at the air outlet of the first ball valve is inserted under the liquid level of the tap water container, so that the sealing effect is started, and the sample is prevented from being polluted by back diffusion of the atmosphere; the sampler outlet is inserted into common tap water to realize dynamic sealing, so that the injector is prevented from diffusing to the sampler from the sampler outlet in the process of transferring gas to the sampler, and the gas to be collected is prevented from being polluted.
Drawings
FIG. 1 is a schematic diagram of a device for collecting bubble gas in geothermal water according to the present invention;
FIG. 2 is a schematic diagram showing a method for collecting bubble gas in hot water according to the present invention,
Wherein, figure 2-a is a process of transferring gas in geothermal water to a syringe,
Fig. 2-b shows the process of transferring the gas in the syringe to the sampler by switching the three-way ball valve channel.
In fig. 1:
1 is a tap water container, 2 is a first ball valve, 3 is a high-precision film gauge, 4 is a second ball valve, 5 is a molecular sieve trap, 6 is a three-way ball valve, 7 is a three-way ball valve channel I, 8 is a ball valve public channel, 9 is a large-capacity injector, 10 is a three-way ball valve channel II, 11 is an inverted glass funnel, 12 is gas to be collected, 13 is a geothermal water source, and 14 is a sampler.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
As shown in fig. 1, the device for collecting bubble gas in geothermal water provided by the invention comprises a common tap water container 1, a first ball valve 2, a high-precision film gauge 3, a second ball valve 4, a molecular sieve trap 5, a three-way ball valve 6, a large-capacity injector 9, an inverted glass funnel 11 and a sampler 14, wherein the three-way ball valve 6 comprises a three-way ball valve channel I7, a three-way ball valve public channel 8 and a three-way ball valve channel II 10.
The gas outlet of the first ball valve 2 is connected with a silicone tube through a quick connector, the silicone tube is inserted into a tap water container 1, the gas inlet of the first ball valve 2 and the gas outlet of the second ball valve 4 are respectively connected with the outlet and the inlet of a sampler 14 through a metal cutting sleeve connector, the high-precision film gauge 3 is connected with the measuring port of the sampler 14 through the metal cutting sleeve connector, the gas outlet and the gas inlet of the molecular sieve trap 5 are respectively connected with the gas inlet of the second ball valve 4 and the first ball valve channel 7 of the three-channel ball valve 6 through a metal cutting sleeve, the common ball valve channel 8 of the three-channel ball valve 6 is connected with the outlet of the high-capacity injector 9 through a quick connector, the second ball valve channel 10 of the three-channel ball valve 6 is connected with the silicone tube through a quick connector, and the silicone tube is connected with the straight tube section of the glass funnel 11 through a quick connector. The glass funnel 11 is inverted within a geothermal water source 13 containing the gas 12 to be collected.
The metal ferrule joint is a Swagelok stainless steel joint; the quick connector is driven by a spring, and the metal sheet clamps the pipe connector; the first ball valve 2, the second ball valve 4 and the three-way ball valve 6 are polytetrafluoroethylene ball sealing valves; the high-precision film gauge 3 is a product of Infinion company, the measuring range is 0.1-1000Torr, and the precision is 0.15% of the reading.
As shown in fig. 1 and 2, the method for collecting bubble gas in geothermal water provided by the invention comprises the following steps:
Step 1, the piston of the injector 9 is restored to the original position, the glass funnel 11 is placed under the water surface of the geothermal water source 13 containing the gas 12 (i.e. bubbles) to be collected, and the gas outlet of the first ball valve 2 is inserted under the liquid surface of the common tap water bottle 1 through a silica gel pipe.
Step 2, opening the first ball valve 2 and the second ball valve 4, and adjusting the three-channel ball valve 6 to enable a second ball valve channel 10 of the three-channel ball valve 6 to be communicated with the public channel 8;
step 3, pulling a piston of the injector 9, pumping the gas 12 to be collected into the injector 9, and adjusting the three-channel ball valve 6 to enable a ball valve channel I7 of the three-channel ball valve 6 to be communicated with the public channel 8;
step 4, pressing down a piston of the injector 9, filling the gas 12 to be collected into the sampler 14 through the molecular sieve trap 5, and introducing into the tap water container 1;
In the step3 and the step 4, the gas of the injector 9 should be filled into the sampler 14 as soon as possible, so as to prevent the piston of the injector 9 from leaking gas due to poor sealing performance;
step 5, circularly executing the step 2, the step 3 and the step 4 for a plurality of times, and fully driving away the air in the sampler 14;
The number of times of circularly executing the step 2, the step 3 and the step 4 is usually 3 to 5 times.
After each sample is sampled, the molecular sieve trap 5 should be replaced with a new molecular sieve trap 5 to prevent the molecular sieve trap 5 from absorbing water and oversaturating;
step 6, closing the first ball valve 2, pulling a piston of the injector 9, pumping the gas 12 to be collected into the injector 9, and adjusting the three-way ball valve 6 to enable a first ball valve channel 7 of the three-way ball valve 6 to be communicated with the public channel 8;
step 7, pressing down a piston of the injector 9, and transferring the gas 12 to be collected into the sampler 14;
And 8, circularly executing the steps 6 and 7 by observing the indication of the high-precision film gauge 3 until the gas pressure of the sampler 14 is higher than 760Torr, recording the reading of the high-precision film gauge 3 at the moment, and completing the collection of the gas 12 to be collected of the bubbles in the geothermal water source 13 when the reading of the high-precision film gauge 3 is higher than one atmosphere.
And 9, closing the second ball valve 4 after the collection is completed, removing the cutting sleeve joints at the air outlet of the first ball valve 2 and the air inlet of the second ball valve 4, and storing the first ball valve 2, the second ball valve 4 and the sampler 14 at normal temperature to be tested.
The device and the method are also applicable to the collection of bubble gas in an oil well.
The present invention has been described in detail with reference to the drawings and the embodiments, but the present invention is not limited to the embodiments described above, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The invention may be practiced otherwise than as specifically described.
Claims (5)
1. The utility model provides a gaseous collection device of bubble in geothermal water which characterized in that: the device comprises a tap water container (1), a first ball valve (2), a film gauge (3), a second ball valve (4), a molecular sieve trap (5), a three-way ball valve (6), an injector (9), an inverted glass funnel (11) and a sampler (14), wherein an air outlet of the first ball valve (2) is inserted into the tap water container (1), an air inlet of the first ball valve (2) and an air outlet of the second ball valve (4) are respectively connected with an outlet and an inlet of the sampler (14), the film gauge (3) is connected with a measuring port of the sampler (14), an air outlet and an air inlet of the molecular sieve trap (5) are respectively connected with an air inlet of the second ball valve (4) and one channel of the three-way ball valve (6), and the other two channels of the three-way ball valve (6) are respectively connected with the injector (9) and the glass funnel (11); the three-way ball valve (6) comprises a first three-way ball valve channel (7), a common three-way ball valve channel (8) and a second three-way ball valve channel (10), the air inlet of the molecular sieve trap (5) is connected with the first three-way ball valve channel (7) of the three-way ball valve (6), the common ball valve channel (8) of the three-way ball valve (6) is connected with the outlet of the injector (9), and the second three-way ball valve channel (10) of the three-way ball valve (6) is connected with the silica gel tube; a silica gel tube is arranged at the air outlet of the first ball valve (2), and the silica gel tube is inserted into the tap water container (1); the air outlet of the first ball valve (2) is connected with a silicone tube through a quick connector; the air inlet of the first ball valve (2) and the air outlet of the second ball valve (4) are respectively connected with the outlet and the inlet of the sampler (14) through a metal cutting sleeve joint; the ball valve public channel (8) of the three-channel ball valve (6) is connected with the outlet of the injector (9) through a quick connector, the three-channel ball valve channel II (10) of the three-channel ball valve (6) is connected with a silica gel pipe through a quick connector, and the silica gel pipe is connected with a straight pipe section of the glass funnel (11) through the quick connector; the glass funnel (11) is inverted in a geothermal water source (13) containing the gas (12) to be collected.
2. A method for collecting bubble gas in geothermal water by using the device for collecting bubble gas in geothermal water according to claim 1, wherein: the method comprises the following steps:
step 1, restoring a piston of the injector (9) to the original position, placing a glass funnel (11) under the water surface of a geothermal water source (13) containing gas (12) to be collected, and inserting an air outlet of a first ball valve (2) into the position under the liquid surface of a tap water container (1) through a silica gel pipe;
Step 2, opening the first ball valve (2) and the second ball valve (4), and adjusting the three-way ball valve (6) to enable a three-way ball valve channel II (10) of the three-way ball valve (6) to be communicated with a ball valve public channel (8);
Step 3, pulling a piston of the injector (9), pumping gas (12) to be collected into the injector (9), and adjusting the three-way ball valve (6) to enable a three-way ball valve channel I (7) of the three-way ball valve (6) to be communicated with a ball valve public channel (8);
Step 4, pressing down a piston of the injector (9), and filling the gas (12) to be collected into the sampler (14) through the molecular sieve trap (5) and introducing the gas into the tap water container (1);
step 5, circularly executing the step 2, the step 3 and the step 4 for a plurality of times, and fully driving away the air in the sampler (14);
Step 6, closing the first ball valve (2), pulling a piston of the injector (9), pumping gas (12) to be collected into the injector (9), and adjusting the three-way ball valve (6) to enable a three-way ball valve channel I (7) of the three-way ball valve (6) to be communicated with a ball valve public channel (8);
Step 7, pressing down a piston of the injector (9) to transfer the gas (12) to be collected into the sampler (14);
And 8, circularly executing the steps 6 and 7 by observing the indication of the film gauge (3) until the gas pressure of the sampler (14) is higher than a certain value, recording the indication, and completing the collection of the gas (12) to be collected of bubbles in the geothermal water source (13).
3. A method for collecting bubble gas in geothermal water according to claim 2, wherein: the step 5 is circularly executed for 3 to 5 times in the steps 2, 3 and 4.
4. A method for collecting bubble gas in geothermal water according to claim 3, wherein: and the molecular sieve trap (5) is replaced by a new molecular sieve trap after the sampling of each sample is finished.
5. A method for collecting bubble gas in geothermal water according to claim 4, wherein: in the step 8, the gas pressure of the sampler (14) is higher than one atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928744.9A CN106644605B (en) | 2016-10-31 | 2016-10-31 | Device and method for collecting bubble gas in geothermal water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928744.9A CN106644605B (en) | 2016-10-31 | 2016-10-31 | Device and method for collecting bubble gas in geothermal water |
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| CN106644605A CN106644605A (en) | 2017-05-10 |
| CN106644605B true CN106644605B (en) | 2024-05-14 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314923B (en) * | 2017-06-28 | 2020-07-28 | 深圳市华星光电技术有限公司 | Gas enrichment device and liquid crystal bubble component analysis method |
| CN109297857A (en) * | 2018-11-01 | 2019-02-01 | 迈博瑞生物膜技术（南通）有限公司 | Convenient for the device and method of the manual pressure test syringe needle filter bubble point value of storage |
| CN109298119B (en) * | 2018-11-15 | 2021-03-23 | 盐城工学院 | A simple self-priming headspace sampling pretreatment device and its treatment method |
| TWI743827B (en) * | 2020-06-11 | 2021-10-21 | 威光自動化科技股份有限公司 | Bubble propelling method in liquid pipe and bubble screening propeller |
| CN116026647B (en) * | 2022-12-29 | 2023-09-29 | 环保桥(上海)环境技术有限公司 | Wetland methane sampling device |
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| WO2003083433A2 (en) * | 2002-03-28 | 2003-10-09 | Johnson Matthey Plc | Method for analysing a gas sample and apparatus therefor |
| JP2010133875A (en) * | 2008-12-05 | 2010-06-17 | Mitsubishi Heavy Ind Ltd | Gas sampler, gas sampling system, exhaust gas separation method and exhaust gas analyzing method |
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| CN104155154A (en) * | 2014-07-22 | 2014-11-19 | 核工业北京地质研究院 | Gas extraction device applied to various gas collectors |
| CN204461829U (en) * | 2015-02-03 | 2015-07-08 | 中国石油天然气股份有限公司 | Natural gas collecting device |
| CN206523331U (en) * | 2016-10-31 | 2017-09-26 | 核工业北京地质研究院 | The collection device of bubble gas in a kind of GEOTHERMAL WATER |
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2016
- 2016-10-31 CN CN201610928744.9A patent/CN106644605B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2003083433A2 (en) * | 2002-03-28 | 2003-10-09 | Johnson Matthey Plc | Method for analysing a gas sample and apparatus therefor |
| JP2010133875A (en) * | 2008-12-05 | 2010-06-17 | Mitsubishi Heavy Ind Ltd | Gas sampler, gas sampling system, exhaust gas separation method and exhaust gas analyzing method |
| CN203241391U (en) * | 2013-05-09 | 2013-10-16 | 四川大学 | Device for rapidly detecting on-line enrichment gas chromatography of expiratory gas |
| CN104155154A (en) * | 2014-07-22 | 2014-11-19 | 核工业北京地质研究院 | Gas extraction device applied to various gas collectors |
| CN204461829U (en) * | 2015-02-03 | 2015-07-08 | 中国石油天然气股份有限公司 | Natural gas collecting device |
| CN206523331U (en) * | 2016-10-31 | 2017-09-26 | 核工业北京地质研究院 | The collection device of bubble gas in a kind of GEOTHERMAL WATER |
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| CN106644605A (en) | 2017-05-10 |
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