CN101907531B - Piston-type underwater free gas sampler and using method thereof - Google Patents
Piston-type underwater free gas sampler and using method thereof Download PDFInfo
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- CN101907531B CN101907531B CN2010102286984A CN201010228698A CN101907531B CN 101907531 B CN101907531 B CN 101907531B CN 2010102286984 A CN2010102286984 A CN 2010102286984A CN 201010228698 A CN201010228698 A CN 201010228698A CN 101907531 B CN101907531 B CN 101907531B
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Abstract
The invention discloses a piston-type underwater free gas sampler and a using method thereof. The piston-type underwater free gas sampler comprises an exhaust pipe, a stop valve, a fastening pressure cap, cylinder covers, a cylinder plug, a cylinder body, a handle, a piston, a gas collecting pipe and a drain pipe, wherein the cylinder covers are respectively arranged at the upper end and the lower end of the cylinder body, the piston, the gas collection pipe and the drain water are arranged on the cylinder cover at the lower end of the cylinder body, the exhaust pipe is arranged on the cylinder cover at the upper end of the cylinder body and fixed by the fastening pressure cap, and the stop valve is arranged on the exhaust pipe. In order to satisfy the sampling requirement on liquid-level bubbles, the piston-type underwater free gas sampler and the using method thereof can finish the collection of bubbles on water surface and liquid surface, and transfer and store collected gases in a special container after sampling. The invention has the advantages of simple structure and convenient use, is suitable for collecting underwater methane, underwater leaked hydrocarbon and bubbles on water surface and liquid surface of associated gases in a hot spring, and can transfer and store the collected gases in the special container.
Description
Technical field
The present invention relates to a kind of piston-type underwater Free Gas body ST and method of application.
Background technology
Emerging of nature water body bubble is a kind of important spontaneous phenomenon, like water-bed biogas, water-bed hydrocarbon seepage, hot spring accompanying gas etc.Some artificial process are also with the discharging of gas composition, like sweat.The composition of these gas compositions, isotope groups be paired in knowledge of natural environment process and industrial process significant, in scientific research, quality monitoring process, often need to gather the water surface, liquid level bubble, it is carried out constituent analysis or other analysis.Gas does not have solid form, and scatters and disappears easily, sampling process, and after the sampling its process of transferring to the special container preservation all need be used special apparatus and technology.
For satisfying the demand that the liquid level bubble is sampled, the present invention proposes a kind of piston-type underwater Free Gas body ST and method of application.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of piston-type underwater Free Gas body ST and method of application are provided.
Piston-type underwater Free Gas body ST comprises gas outlet, stop valve, fastening pressure cap, cover, tube plug, cylindrical shell, handle, piston, discharge and drainpipe; Cylindrical shell is respectively equipped with cover in two ends up and down, and the cover of cylindrical shell lower end is provided with piston, discharge and drainpipe, and the cover of cylindrical shell upper end is provided with gas outlet, and fixes with fastening pressure cap, on gas outlet, is provided with stop valve.
Described tube plug is right cylinder, and external diameter is consistent with the internal diameter of cylindrical shell, and 15～30 millimeters of thickness are equipped with 1-2 road O shape circle, and the tube plug is processed by organic material.Described cylindrical shell is a hollow circular cylinder, 30～80 millimeters of internal diameters, and 30～35 centimetres of length are processed by glass, organic glass transparent material, and upper/lower terminal has external thread, 20～30 millimeters of reaches.Described handle is installed on the piston through screw thread, and length is greater than the stroke of piston in cylindrical shell.Described piston external diameter is consistent with the internal diameter of cylindrical shell, and 15～30 millimeters of thickness are equipped with 1-2 road O shape circle, and the tube plug is processed by organic material, and is up and down through handle.5～10 millimeters of described discharge external diameters, its opening is connected on the funnel of collecting gas by rubber tube.5～10 millimeters of described drainpipe external diameters, its opening is connected on the water surface of collecting gas by rubber tube.
The method of application of piston-type underwater Free Gas body ST comprises the steps:
(1) closes stop valve, on discharge and drainpipe, be connected rubber tube, in cylindrical shell, be full of water, air is emptied completely, clamp two rubber tubes with iron clamp;
(2) rubber tube on the discharge is connected on the funnel of collecting gas, the rubber tube on the drainpipe is connected on the liquid level of collecting gas, uses foamed material or floating drum that gas sample collector is vertically bubbled through the water column, and gas collection funnel and drainpipe are positioned under water;
(3) let gas sample collector swim on the water surface that bubble emerges, the gas collection funnel is aimed at the more water surface of bubble, opens the iron clamp on discharge and the drainpipe rubber tube, and gas gets into cylindrical shell through discharge, and the water in the cylindrical shell is through the drainpipe discharge;
(4) after gas is full of cylindrical shell basically, the rubber tube that is connected on discharge and the drainpipe is clamped with iron clamp;
(5) gas sample collector is fetched from the water surface, on gas outlet, connected thin plastic flexible pipe and syringe needle, on piston, connect handle, push handle, gas is promptly discharged to transfer to through syringe needle and is collected in the gas containers.
The present invention is simple in structure, and is easy to use, is applicable to water-bed biogas, water-bed hydrocarbon seepage, the hot spring accompanying gas water surface, the collection of liquid level bubble, and the gas that will be gathered is transferred in the special container and preserved.
Description of drawings
Fig. 1 is a piston-type underwater Free Gas body ST synoptic diagram; Gas outlet 1, stop valve 2, fastening pressure cap 3, cover 4 among the figure.Tube plug 5, cylindrical shell 6, handle 7, piston 8, discharge 9, drainpipe 10.
Embodiment
As shown in Figure 1, piston-type underwater Free Gas body ST comprises gas outlet 1, stop valve 2, fastening pressure cap 3, cover 4, tube plug 5, cylindrical shell 6, handle 7, piston 8, discharge 9 and drainpipe 10; Cylindrical shell is respectively equipped with cover 4 in two ends about in the of 6, and the cover of cylindrical shell 6 lower ends is provided with piston 8, discharge 9 and drainpipe 10, cylindrical shell 6) cover of upper end is provided with gas outlet 1 and fixes with fastening pressure cap 3, on gas outlet 1, is provided with stop valve 2.
Described tube plug 5 is a right cylinder, and external diameter is consistent with the internal diameter of cylindrical shell 6, and 15～30 millimeters of thickness are equipped with 1-2 road O shape circle, and the tube plug is processed by organic material.Described cylindrical shell 6 is a hollow circular cylinder, 30～80 millimeters of internal diameters, and 30～35 centimetres of length are processed by glass, organic glass transparent material, and upper/lower terminal has external thread, 20～30 millimeters of reaches.Described handle 7 is installed on the piston 8 through screw thread, and length is greater than the stroke of piston 8 in cylindrical shell 6.Described piston 8 external diameters are consistent with the internal diameter of cylindrical shell 6, and 15～30 millimeters of thickness are equipped with 1-2 road O shape circle, and the tube plug is processed by organic material, and is up and down through handle 7.5～10 millimeters of described discharge 9 external diameters, its opening is connected on the funnel of collecting gas by rubber tube.5～10 millimeters of described drainpipe 10 external diameters, its opening is connected on the water surface of collecting gas by rubber tube.
The method of application of piston-type underwater Free Gas body ST comprises the steps:
(1) closes stop valve 2, on discharge 9 and drainpipe 10, be connected rubber tube, in cylindrical shell 6, be full of water, air is emptied completely, clamp two rubber tubes with iron clamp;
(2) rubber tube on the discharge 9 is connected on the funnel of collecting gas, the rubber tube on the drainpipe 10 is connected on the liquid level of collecting gas, uses foamed material or floating drum that gas sample collector is vertically bubbled through the water column, and gas collection funnel and drainpipe are positioned under water;
(3) let gas sample collector swim on the water surface that bubble emerges, the gas collection funnel is aimed at the more water surface of bubble, opens the iron clamp on discharge 9 and drainpipe 10 rubber tubes, and gas gets into cylindrical shells through discharge 9, and the water in the cylindrical shell 6 are discharged through drainpipe 10;
(4) after gas is full of cylindrical shell basically, the rubber tube that is connected on discharge 9 and the drainpipe 10 is clamped with iron clamp;
(5) gas sample collector is fetched from the water surface, 1 connects thin plastic flexible pipe and syringe needle on gas outlet, on piston, connects handle 7, pushes handle 7, and gas is promptly discharged to transfer to through syringe needle and collected in the gas containers.
Claims (6)
1. a piston-type underwater Free Gas body ST is characterized in that comprising gas outlet (1), stop valve (2), fastening pressure cap (3), cover (4), tube plug (5), cylindrical shell (6), handle (7), piston (8), discharge (9) and drainpipe (10); Cylindrical shell (6) upper end is provided with cover (4), tube plug (5); Cylindrical shell (6) lower end is provided with cover (4); The cover (4) of cylindrical shell (6) lower end is provided with piston (8), discharge (9) and drainpipe (10), and the cover (4) of cylindrical shell (6) upper end and tube plug (5) are provided with gas outlet (1) and fixing with fastening pressure cap (3), on gas outlet (1), are provided with stop valve (2); Handle (7) is installed on the piston (8) through screw thread, and length is greater than the stroke of piston (8) in cylindrical shell (6).
2. a kind of piston-type underwater Free Gas body ST according to claim 1 is characterized in that described tube plug (5) is right cylinder, and external diameter is consistent with the internal diameter of cylindrical shell (6), and 15～30 millimeters of thickness are equipped with 1-2 road O shape circle, and the tube plug is processed by organic material.
3. a kind of piston-type underwater Free Gas body ST according to claim 1; It is characterized in that described cylindrical shell (6) is a hollow circular cylinder; 30～80 millimeters of internal diameters, 30～35 centimetres of length are processed by glass, organic glass transparent material; Upper/lower terminal has external thread, 20～30 millimeters of reaches.
4. a kind of piston-type underwater Free Gas body ST according to claim 1 is characterized in that 5～10 millimeters of described discharge (9) external diameters, and its opening is connected on the funnel of collecting gas by rubber tube.
5. a kind of piston-type underwater Free Gas body ST according to claim 1 is characterized in that 5～10 millimeters of described drainpipe (10) external diameters, and its opening is connected on the water surface of collecting gas by rubber tube.
6. the method for application of a piston-type underwater Free Gas body ST as claimed in claim 1 is characterized in that comprising the steps:
(1) closes stop valve (2), on discharge (9) and drainpipe (10), be connected rubber tube, in cylindrical shell (6), be full of water, air is emptied completely, clamp two rubber tubes with iron clamp;
(2) rubber tube on the discharge (9) is connected on the funnel of collecting gas, the rubber tube on the drainpipe (10) is connected on the liquid level of collecting gas, uses foamed material or floating drum that gas sample collector is vertically bubbled through the water column, and gas collection funnel and drainpipe are positioned under water;
(3) let gas sample collector swim on the water surface that bubble emerges; The gas collection funnel is aimed at the more water surface of bubble; Open the iron clamp on discharge (9) and drainpipe (10) rubber tube, gas gets into cylindrical shell through discharge (9), and the water in the cylindrical shell (6) is discharged through drainpipe (10);
(4) after gas is full of cylindrical shell basically, the rubber tube that is connected on discharge (9) and the drainpipe (10) is clamped with iron clamp;
(5) gas sample collector is fetched from the water surface, (1) connects thin plastic flexible pipe and syringe needle on gas outlet, on piston, connects handle (7), pushes handle (7), and gas is promptly discharged to transfer to through syringe needle and collected in the gas containers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102286984A CN101907531B (en) | 2010-07-16 | 2010-07-16 | Piston-type underwater free gas sampler and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102286984A CN101907531B (en) | 2010-07-16 | 2010-07-16 | Piston-type underwater free gas sampler and using method thereof |
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| Publication Number | Publication Date |
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| CN101907531A CN101907531A (en) | 2010-12-08 |
| CN101907531B true CN101907531B (en) | 2012-03-28 |
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| CN2010102286984A Expired - Fee Related CN101907531B (en) | 2010-07-16 | 2010-07-16 | Piston-type underwater free gas sampler and using method thereof |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102565112B (en) * | 2011-12-14 | 2014-11-26 | 中国石油天然气股份有限公司 | Method for measuring content of free gas in coal bed gas |
| CN103969092A (en) * | 2013-01-29 | 2014-08-06 | 中国科学院寒区旱区环境与工程研究所 | A device for obtaining gas from a rock core |
| BR102013033482B1 (en) * | 2013-12-26 | 2021-06-29 | União Brasileira De Educação E Assistência | DEVICE AND PROCESS FOR COLLECTING FLUID SAMPLES IN UNDERWATER MEDIA |
| CN104655454B (en) * | 2015-02-13 | 2017-06-06 | 北京市水文地质工程地质大队 | A kind of gas-liquid mixture collection and separator |
| CN105136526A (en) * | 2015-08-13 | 2015-12-09 | 中国石油天然气股份有限公司 | Wellhead coalbed gas sampling apparatus |
| CN105758678B (en) * | 2016-03-17 | 2018-07-06 | 北京市水科学技术研究院 | The time-sharing automatic sampling controller of hydro powered |
| CN107524425B (en) * | 2017-09-26 | 2023-08-11 | 中国地质大学（武汉） | Portable underwater gas production device and use method thereof |
| CN107966333B (en) * | 2017-12-14 | 2023-07-07 | 中国科学院海洋研究所 | Deep sea in-situ gas pressure maintaining sampling system |
| CN108918198B (en) * | 2018-09-26 | 2024-05-14 | 河南中托力合化学有限公司 | Oil tank sampler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8905410U1 (en) * | 1989-03-31 | 1989-09-07 | Novartis Ag, Basel | Device for feeding a sample solution into a sample cell |
| CN2168248Y (en) * | 1993-11-02 | 1994-06-08 | 杜墨卿 | Automatic valve-opening and valve-closing sampling device |
| GB0013967D0 (en) * | 2000-06-09 | 2000-08-02 | Markes International Limited | Breath sampling device |
| CN201331454Y (en) * | 2009-01-13 | 2009-10-21 | 成都科林分析技术有限公司 | Sampling pipe |
| CN101672734A (en) * | 2008-10-04 | 2010-03-17 | 华东理工大学 | A dynamic membrane sampler for trace components in air and method for detecting the trace components in the air |
-
2010
- 2010-07-16 CN CN2010102286984A patent/CN101907531B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8905410U1 (en) * | 1989-03-31 | 1989-09-07 | Novartis Ag, Basel | Device for feeding a sample solution into a sample cell |
| CN2168248Y (en) * | 1993-11-02 | 1994-06-08 | 杜墨卿 | Automatic valve-opening and valve-closing sampling device |
| GB0013967D0 (en) * | 2000-06-09 | 2000-08-02 | Markes International Limited | Breath sampling device |
| CN101672734A (en) * | 2008-10-04 | 2010-03-17 | 华东理工大学 | A dynamic membrane sampler for trace components in air and method for detecting the trace components in the air |
| CN201331454Y (en) * | 2009-01-13 | 2009-10-21 | 成都科林分析技术有限公司 | Sampling pipe |
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