CN105258982A - Dry land gas collector - Google Patents
Dry land gas collector Download PDFInfo
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- CN105258982A CN105258982A CN201510602594.8A CN201510602594A CN105258982A CN 105258982 A CN105258982 A CN 105258982A CN 201510602594 A CN201510602594 A CN 201510602594A CN 105258982 A CN105258982 A CN 105258982A
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- air container
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- base
- gas collector
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Abstract
The invention relates to a gas collector, and concretely relates to a dry land gas collector. The dry land gas collector comprises a gas storage container with an open-ended bottom end, the gas storage container is provided with an air exhaust hole, and the gas storage container is also provided with a mixing prevention pressure balancing device for maintaining a gas pressure in the gas storage container relative to an air pressure outside the gas storage container and capable of preventing air outside the gas storage container from entering the gas storage container. The dry land gas collector capable of collecting gases released in soil, provided by the invention, solves the problem of present gas samplers unable to continuously collect gases released in the soil.
Description
Technical field
The present invention relates to gas collector, particularly relate to a kind of nonirrigated farmland gas collector.
Background technology
In greenhouse gases releasing research process, usually need to gather farmland or/and the gas that discharges in timbered soil, then carry out analyzing to the gaseous sample gathered and study.General, collection dryland soil being discharged to gas needs in the soil of sample area by being pre-installed in by gas collector, then the gas discharged in soil is collected, then carry out corresponding test with the portion gas in syringe extracting gases gatherer as sample at times.China Patent No. be 2012200190619, Authorization Notice No. is CN202606175U, name is called in the patent document of " gas piston gatherer " and discloses a kind of existing gas collector.This gas collector can only be used for the gas gathered to shift, and is not suitable for carrying out continuous several times collection to the gas discharged in soil.
Summary of the invention
The invention provides a kind of gatherer can collecting the gas discharged in dryland soil, solving existing gas sampler continuous several times can not carry out the problem of high-purity collection to the gas that soil discharges.
Above technical matters is solved by following technical proposal: a kind of nonirrigated farmland gas collector, comprise the air container of bottom end opening, described air container is provided with aspirating hole, and described air container is also provided with and the air pressure in air container is kept relatively with the air pressure outside air container and can prevent the air of air container outside from entering anti-mixing pressure equaliser in air container.During use, the lower end of gas collector to be inserted in the soil of sample area and airtight live aspirating hole, gas collector and ground is made to surround gas collection chamber, gas in soil constantly discharges and enters this gas collection chamber, after a period of time, by syringe needle through aspirating hole by the gas extraction of portion gas collecting chamber in syringe.In above process, the continuous release of soil gas can cause the air pressure in air container to raise, the air pressure in air container can be caused when gas in air container is taken away by needle tubing as sample to decline, now under the effect of anti-mixing pressure equaliser, the gas accounting that soil when the gas in air container can be made to remain in a basic balance with external pressure and to sample in air container is discharged is large, thus making the purity of got gaseous sample good, authenticity is high; The sample of the sampling gained of the different batches of the same area can more real reacting gas rate of release.
As preferably, described anti-mixing pressure equaliser comprises the tracheae in the space, inside and outside being communicated with described air container, and the volume of described tracheae is greater than the volume of the gas that unitary sampling extracts from described air container.Structure is simple, but anti-mixed effect is poor, especially the longer and inside and outside differential pressure of container of acquisition time hour, can not effectively prevent the gas of air container inside and outside from producing mixing in the mode of diffusion, thus make the authenticity of sample poor (also namely the distortion of sample is larger).
As preferably, the length of described tracheae is more than 15 centimetres.Anti-mixed effect can be provided to improve the authenticity of sample.
As preferably, described tracheae extends along the inside surface of the roof of described air container.
Preferred as another, described anti-mixing pressure equaliser comprises the first communicating pipe and second communicating pipe in the space, inside and outside being communicated with described air container, the inner of described first communicating pipe is connected with the first flexible air-bag that the inside towards described air container is launched, the volume of the gas extracted from described air container when the volume of described first flexible air-bag is more than or equal to unitary sampling; Be provided with the second flexible air-bag being provided with the external expansion towards described air container towards the retaining valve of air container outside unlatching or the outer end of described second communicating pipe described second communicating pipe.When internal gas is higher than external pressure, make inside and outside air pressure balance by opening of the unlatching of retaining valve or the second flexible air-bag, now according to the volume that may design the second flexible air-bag in sampling process from air container from the gas flow of discharging, make it possible to the balance that can maintain air pressure in whole collection process; When air pressure inside is lower than opening then by the first air bag during external pressure the balance maintaining air pressure.Anti-mixed effective.
As preferably, described air container comprise upper and lower two ends all opening cylindrical base and seal the lid be removably connected on described base, described aspirating hole is arranged at described top cover.Convenience when installing and using is good.
As preferably, described aspirating hole is connected with can by the sealing-plug of punctures of bleeding.Can avoid opening aspirating hole and the inside and outside gas and vapor permeation phenomenon that causes produces, the authenticity of sample can be improved.
As preferably, described base is connected with the buckle be pressed on by lid on base.Fixing reliable, and convenient when closing up and open.
As preferably, described base is provided with scale.Can know that air container inserts the degree of depth in soil intuitively.
As preferably, described air container comprise upper and lower two ends all opening cylindrical base and seal the lid that is removably connected on described base, what the lower end of described base was provided with that some circumferences along base distribute grabs ground structure, described grab that ground structure comprises that depression bar and two subtends arrange crank arm, described depression bar extends along the vertical direction and is arranged in the sidewall of described base, the position of the described lid of support of described base is stretched out in the upper end of described depression bar, described upper end of cranking arm links together with the lower end of described depression bar, middle part is hinged with described base, lower end is provided with cutting edge, described two cutting edges of cranking arm can be close together, when described lid covers on described base, the lower end of described depression bar makes described lower end of cranking arm for a pair be "eight" shape distribution.Can effectively prevent air container from deviating from from soil.
The present invention has following advantage, easy to use, the consistance of the gaseous sample collected and authenticity good.
Accompanying drawing explanation
Fig. 1 is the split view of the embodiment of the present invention one.
Fig. 2 is the schematic diagram at a visual angle of lid in embodiment one.
Fig. 3 is the schematic diagram at another visual angle of lid in embodiment one.
Fig. 4 is the schematic diagram of the lid in embodiment two.
Fig. 5 is the split view of the embodiment of the present invention four.
Fig. 6 is the close-up schematic view at the A place of Fig. 5.
Fig. 7 is the using state schematic diagram of embodiment four.
In figure: air container 1, base 11, lid 12, aspirating hole 13, sealing-plug 14, buckle 2, anti-mixing pressure equaliser 3, communicating pipe 33, first tracheae 31, second communicating pipe 32, first flexible air-bag 34, second flexible air-bag 35, grab ground structure 4, depression bar 41, crank arm 42, cutting edge 421, hinge 43, soil 5.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment one, see Fig. 1, a kind of nonirrigated farmland gas collector, comprises the air container 1 of bottom end opening.Air container 1 comprises base 11 and seals the lid 12 be removably connected on described base.Base 11 is the cylindrical shape of upper and lower two ends all opening.The outer peripheral face of base 11 is provided with buckle 2.Buckle 2 has 4.4 buckles 2 distribute along the circumference of base 11.Base 11 is also provided with scale (not drawing in figure).The lower surface of lid 12 is provided with the O-ring seal (not drawing in figure) be connected and sealed for same base 11.Lid 12 is provided with aspirating hole 13.Aspirating hole 13 is arranged on the center of lid 12.Aspirating hole 13 is removably sealedly connected with sealing-plug 14.Sealing-plug 14 is can be made (as rubber) by the material of punctures of bleeding.Lid 12 is also provided with anti-mixing pressure equaliser 3.Anti-mixing pressure equaliser 3 is tracheae 31.The volume of the gas that the volume of tracheae 31 extracts when being greater than unitary sampling from air container 1.
See Fig. 2, the length of tracheae 31 is more than 15 centimetres.Tracheae 31 along lid 12 inside surface also namely the inside surface of the roof of air container extend.
See Fig. 3, tracheae 31 is communicated with space, inside and outside and the through lid 12 of air container.
See Fig. 1 to Fig. 3, during use, the lower end of base 11 is inserted in the soil of sample area, lid 12 is covered the upper end of base 11, rotate buckle 2 and make snap hook catch lid 12 thus lid 12 is compressed to make lid keep linking together with base seal on the pedestal 11.Air container 1 and ground surround gas collection chamber, gas in soil can constantly discharge and enter in air container 1, the gas that discharges gas when causing air container 1 internal gas pressure to raise then in air container 1 clamp-ons even discharge tracheae 31.After reaching the time that can sample, syringe needle is inserted in sealing-plug 14 to enter in air container 1 and then gas suction syringe is taken away.Bleed when causing air pressure in air container 1 to decline, extraneous gas enters tracheae 31 and makes external and internal pressure reach balance, the volume of gas now owing to extracting from air container 1 when the volume of tracheae 31 is greater than unitary sampling, can not enter in air container so extraneous gas rests in tracheae.
Embodiment two, the difference with embodiment one is:
See Fig. 4, anti-mixing pressure equaliser 3 comprised for the first communicating pipe 33 and the second communicating pipe 32.Be communicated with space, inside and outside and the through lid 12 of air container the first communicating pipe 33.The inner of first communicating pipe 33 is connected with the first flexible air-bag 34 that the inside towards air container is launched.The volume of the gas that the volume of the first flexible air-bag 34 extracts when being more than or equal to unitary sampling from air container.Be communicated with space, inside and outside and the through lid 12 of air container the first communicating pipe 33.The outer end of the second communicating pipe 32 is connected with the second flexible air-bag 35 that the inside towards air container is launched.
In use procedure, when air pressure inside is higher than external pressure, the second flexible air-bag 35 is realized internal and external pressure balance by opening.When air pressure inside is lower than external pressure, the first flexible air-bag 34 is realized internal and external pressure balance by opening.
Embodiment three, this embodiment does not provide structural drawing.Difference with embodiment two is: carry out alternative second flexible air-bag with arranging the retaining valve opened towards air container outside the second communicating pipe.The anti-mixed effect of the program does not have embodiment two good, but is better than embodiment one.
Embodiment four, see Fig. 5, grabs ground structure 4 for what be provided with in the lower end of base 11 on the basis of embodiment three or embodiment two or embodiment one that some circumferences along base distribute.
That grabs that ground structure 4 comprises that depression bar 41 and two subtends arrange cranks arm 42.Depression bar 41 extends along the vertical direction.Depression bar 41 is arranged in the sidewall of base 11.The position of the support lid 12 of the upper end protuberate basic unit 11 of depression bar 41.Crank arm 42 upper end link together (for being connected to together in the present embodiment) with the lower end of depression bar 41.Crank arm 42 lower end be provided with cutting edge 421, two cutting edges of cranking arm can be close together, and are the state be close together in figure in this figure.
See Fig. 6, crank arm 42 middle part hinged with base 11 by hinge 43.
Method the present invention be installed in ground is:
See Fig. 5, make every individual two of grabbing in ground structure 4 one by one crank arm 42 cutting edge 421 be close together and form a tip down.
See Fig. 7, then according to the method described in embodiment one, base 11 is inserted in soil 5.When cover lid 12, lid 12 times moulded rods 41, depression bar 41 press down crank arm 42 upper end and make to crank arm 42 rotations, when lid 12 lid puts in place, 42 rotations of cranking arm to be the lower end of cranking arm for a pair be "eight" shape distribution, thus make to crank arm 42 lower end form gib head thus the effect of ground effect is grabbed in gas increase.
Claims (10)
1. a nonirrigated farmland gas collector, comprise the air container of bottom end opening, it is characterized in that, described air container is provided with aspirating hole, and described air container is also provided with and the air pressure in air container is kept relatively with the air pressure outside air container and can prevent the air of air container outside from entering anti-mixing pressure equaliser in air container.
2. nonirrigated farmland according to claim 1 gas collector, it is characterized in that, described anti-mixing pressure equaliser comprises the tracheae in the space, inside and outside being communicated with described air container, the volume of the gas extracted from described air container when the volume of described tracheae is greater than unitary sampling.
3. nonirrigated farmland according to claim 2 gas collector, is characterized in that, the length of described tracheae is more than 15 centimetres.
4. the nonirrigated farmland gas collector according to claim 3 or 2, is characterized in that, described tracheae extends along the inside surface of the roof of described air container.
5. nonirrigated farmland according to claim 1 gas collector, it is characterized in that, described anti-mixing pressure equaliser comprises the first communicating pipe and second communicating pipe in the space, inside and outside being communicated with described air container, the inner of described first communicating pipe is connected with the first flexible air-bag that the inside towards described air container is launched, the volume of the gas extracted from described air container when the volume of described first flexible air-bag is more than or equal to unitary sampling; Be provided with the second flexible air-bag being provided with the external expansion towards described air container towards the retaining valve of air container outside unlatching or the outer end of described second communicating pipe described second communicating pipe.
6. the nonirrigated farmland gas collector according to claim 1 or 2 or 3 or 5, is characterized in that, described air container comprise upper and lower two ends all opening cylindrical base and seal the lid that is removably connected on described base, described aspirating hole is arranged at described top cover.
7. nonirrigated farmland according to claim 6 gas collector, is characterized in that, described aspirating hole is connected with can by the sealing-plug of punctures of bleeding.
8. nonirrigated farmland according to claim 6 gas collector, is characterized in that, described base is connected with the buckle be pressed on by lid on base.
9. nonirrigated farmland according to claim 6 gas collector, is characterized in that, described base is provided with scale.
10. the nonirrigated farmland gas collector according to claim 1 or 2 or 3 or 5, it is characterized in that, described air container comprise upper and lower two ends all opening cylindrical base and seal the lid that is removably connected on described base, what the lower end of described base was provided with that some circumferences along base distribute grabs ground structure, described grab that ground structure comprises that depression bar and two subtends arrange crank arm, described depression bar extends along the vertical direction and is arranged in the sidewall of described base, the position of the described lid of support of described base is stretched out in the upper end of described depression bar, described upper end of cranking arm links together with the lower end of described depression bar, middle part is hinged with described base, lower end is provided with cutting edge, described two cutting edges of cranking arm can be close together, when described lid covers on described base, the lower end of described depression bar makes described lower end of cranking arm for a pair be "eight" shape distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602594.8A CN105258982B (en) | 2015-09-21 | 2015-09-21 | Nonirrigated farmland gas collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602594.8A CN105258982B (en) | 2015-09-21 | 2015-09-21 | Nonirrigated farmland gas collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105258982A true CN105258982A (en) | 2016-01-20 |
| CN105258982B CN105258982B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510602594.8A Expired - Fee Related CN105258982B (en) | 2015-09-21 | 2015-09-21 | Nonirrigated farmland gas collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650765A (en) * | 2016-01-24 | 2016-06-08 | 余姚市苏杰电器科技有限公司 | Water-cooling air conditioner outdoor unit |
| CN106289888A (en) * | 2016-08-15 | 2017-01-04 | 浙江宏泰工程项目管理有限公司 | Anti-mixed iolation type building lot gas sample harvester |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262568Y (en) * | 1996-12-20 | 1997-09-17 | 昆明大力地基有限公司 | Detachable multi-section combined pile head |
| CN1563932A (en) * | 2004-04-08 | 2005-01-12 | 上海交通大学 | Method of sampling greenhouse gas by utilizing gas balance bag |
| JP2005333921A (en) * | 2004-05-28 | 2005-12-08 | Kansai Electric Power Co Inc:The | Gas balance-measuring device |
| CN201016894Y (en) * | 2007-02-08 | 2008-02-06 | 北京工业大学 | Device for actively gathering organic matters released from finishing material |
| CN201429595Y (en) * | 2009-01-21 | 2010-03-24 | 福建师范大学 | Air chamber for measuring grassland CO* flux |
| CN201434781Y (en) * | 2009-07-02 | 2010-03-31 | 浙江大学 | Airtight water sample bottle with floating and self-locking bottle cap |
| CN102252876A (en) * | 2011-06-13 | 2011-11-23 | 浙江省农业科学院 | Buffer type soil gas sampling device |
| CN102353562A (en) * | 2011-07-14 | 2012-02-15 | 福建师范大学 | Gas collector for collecting soil gas |
| CN202216863U (en) * | 2011-07-14 | 2012-05-09 | 福建师范大学 | Three-segment type soil gas collector |
| CN202267677U (en) * | 2011-10-19 | 2012-06-06 | 同济大学 | Portable static tank for determining greenhouse gas emission flux of water body |
| CN102749228A (en) * | 2012-06-18 | 2012-10-24 | 河海大学 | Shallow lake greenhouse gas in-situ collection device |
| CN102901657A (en) * | 2012-09-29 | 2013-01-30 | 中国科学院地理科学与资源研究所 | Pressure-balanced type portable device for soil gas collection |
| CN202994522U (en) * | 2013-01-09 | 2013-06-12 | 周志苗 | Metal material sampling head with functions of cutting and synchronous cleaning |
| CN203101131U (en) * | 2013-01-29 | 2013-07-31 | 中国农业科学院农业环境与可持续发展研究所 | Simple gas sampling static box with adjustable gas taking port |
| CN103293030A (en) * | 2012-02-22 | 2013-09-11 | 中国地质科学院地球物理地球化学勘查研究所 | Sampler for measuring gaseous mercury released from soil |
| CN203224388U (en) * | 2013-05-24 | 2013-10-02 | 河南农业大学 | Static box for measuring animal waste greenhouse gas emission rate |
| CN203732330U (en) * | 2014-02-25 | 2014-07-23 | 国家海洋局第三海洋研究所 | Fixed-point continuous acquisition box for greenhouse gas at soil-atmosphere interface |
| CN203798634U (en) * | 2014-02-14 | 2014-08-27 | 东北林业大学 | Wetland greenhouse gas emission observing and sampling device |
| CN104062156A (en) * | 2014-07-02 | 2014-09-24 | 四川农业大学 | Greenhouse gas collection system and greenhouse gas emission analysis method |
| CN104111183A (en) * | 2014-07-02 | 2014-10-22 | 中国地质科学院岩溶地质研究所 | Portable amphibious equipment for collecting greenhouse gases |
| CN104133005A (en) * | 2014-05-15 | 2014-11-05 | 浙江省农业科学院 | Indoor simulation test method for measuring paddy field greenhouse gas emission |
| CN204536068U (en) * | 2015-05-08 | 2015-08-05 | 中国长江三峡集团公司 | A kind of portable flux box being applicable to the greenhouse gases research of storehouse, lake |
-
2015
- 2015-09-21 CN CN201510602594.8A patent/CN105258982B/en not_active Expired - Fee Related
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262568Y (en) * | 1996-12-20 | 1997-09-17 | 昆明大力地基有限公司 | Detachable multi-section combined pile head |
| CN1563932A (en) * | 2004-04-08 | 2005-01-12 | 上海交通大学 | Method of sampling greenhouse gas by utilizing gas balance bag |
| JP2005333921A (en) * | 2004-05-28 | 2005-12-08 | Kansai Electric Power Co Inc:The | Gas balance-measuring device |
| CN201016894Y (en) * | 2007-02-08 | 2008-02-06 | 北京工业大学 | Device for actively gathering organic matters released from finishing material |
| CN201429595Y (en) * | 2009-01-21 | 2010-03-24 | 福建师范大学 | Air chamber for measuring grassland CO* flux |
| CN201434781Y (en) * | 2009-07-02 | 2010-03-31 | 浙江大学 | Airtight water sample bottle with floating and self-locking bottle cap |
| CN102252876A (en) * | 2011-06-13 | 2011-11-23 | 浙江省农业科学院 | Buffer type soil gas sampling device |
| CN102353562A (en) * | 2011-07-14 | 2012-02-15 | 福建师范大学 | Gas collector for collecting soil gas |
| CN202216863U (en) * | 2011-07-14 | 2012-05-09 | 福建师范大学 | Three-segment type soil gas collector |
| CN202267677U (en) * | 2011-10-19 | 2012-06-06 | 同济大学 | Portable static tank for determining greenhouse gas emission flux of water body |
| CN103293030A (en) * | 2012-02-22 | 2013-09-11 | 中国地质科学院地球物理地球化学勘查研究所 | Sampler for measuring gaseous mercury released from soil |
| CN102749228A (en) * | 2012-06-18 | 2012-10-24 | 河海大学 | Shallow lake greenhouse gas in-situ collection device |
| CN102901657A (en) * | 2012-09-29 | 2013-01-30 | 中国科学院地理科学与资源研究所 | Pressure-balanced type portable device for soil gas collection |
| CN202994522U (en) * | 2013-01-09 | 2013-06-12 | 周志苗 | Metal material sampling head with functions of cutting and synchronous cleaning |
| CN203101131U (en) * | 2013-01-29 | 2013-07-31 | 中国农业科学院农业环境与可持续发展研究所 | Simple gas sampling static box with adjustable gas taking port |
| CN203224388U (en) * | 2013-05-24 | 2013-10-02 | 河南农业大学 | Static box for measuring animal waste greenhouse gas emission rate |
| CN203798634U (en) * | 2014-02-14 | 2014-08-27 | 东北林业大学 | Wetland greenhouse gas emission observing and sampling device |
| CN203732330U (en) * | 2014-02-25 | 2014-07-23 | 国家海洋局第三海洋研究所 | Fixed-point continuous acquisition box for greenhouse gas at soil-atmosphere interface |
| CN104133005A (en) * | 2014-05-15 | 2014-11-05 | 浙江省农业科学院 | Indoor simulation test method for measuring paddy field greenhouse gas emission |
| CN104062156A (en) * | 2014-07-02 | 2014-09-24 | 四川农业大学 | Greenhouse gas collection system and greenhouse gas emission analysis method |
| CN104111183A (en) * | 2014-07-02 | 2014-10-22 | 中国地质科学院岩溶地质研究所 | Portable amphibious equipment for collecting greenhouse gases |
| CN204536068U (en) * | 2015-05-08 | 2015-08-05 | 中国长江三峡集团公司 | A kind of portable flux box being applicable to the greenhouse gases research of storehouse, lake |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650765A (en) * | 2016-01-24 | 2016-06-08 | 余姚市苏杰电器科技有限公司 | Water-cooling air conditioner outdoor unit |
| CN106289888A (en) * | 2016-08-15 | 2017-01-04 | 浙江宏泰工程项目管理有限公司 | Anti-mixed iolation type building lot gas sample harvester |
| CN106289888B (en) * | 2016-08-15 | 2018-10-02 | 浙江宏泰工程项目管理有限公司 | Anti- mixed iolation type building lot gas sample collector |
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| CN105258982B (en) | 2017-11-24 |
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Granted publication date: 20171124 Termination date: 20180921 |