CN206235495U - A kind of Groundwater solution gas sampling system - Google Patents
A kind of Groundwater solution gas sampling system Download PDFInfo
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- CN206235495U CN206235495U CN201621154107.2U CN201621154107U CN206235495U CN 206235495 U CN206235495 U CN 206235495U CN 201621154107 U CN201621154107 U CN 201621154107U CN 206235495 U CN206235495 U CN 206235495U
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Abstract
The utility model discloses a kind of Groundwater solution gas sampling system, including gas fractionation unit, gas syringe and gas collecting apparatus.The gas fractionation unit includes sampling bottle and connected vavuum pump and air-blowing capsule.The bottleneck of sampling bottle is equipped with and sets three sealing bottle corks of through hole, a pipe, No. two pipes and No. three pipes are respectively equipped with three through holes, wherein No. one pipe lower end connects collapsible bladders, its upper end to connect set the first tongs and the 4th tongs respectively in the connection end being connected with vavuum pump and air-blowing capsule on vavuum pump and air-blowing capsule, and a pipe respectively；Close to sampling bottle top, its upper end sets the second tongs for No. two pipe lower ends；Close to sampling bottle bottom, its upper end sets the 3rd tongs for No. three pipe lower ends.Solution gas in underground water is dexterously separated by the utility model using the principle of negative pressure degasification, also using water seal method preserve solution gas improve gas containing accuracy of measurement, simple structure is with low cost, simple to operate, convenient to transport, and is widely used.
Description
Technical field
The utility model is related to the studying technological domain of Groundwater solution, more particularly to a kind of Groundwater solution gas
Body sampling system.
Background technology
Dissolved gas in underground water are the important components of underground water.By analyze gas in underground water species,
Content and Characteristics of Isotope Distribution, with the Source Of Supply of spike underground water and can be constituted, and reflect groundwater occurrence environmental properties, be taken off
Show the interaction of ground water circulation process and its water-rock-gas, so as to understand the hydrogeologic condition in research area in depth.
Existing underground water dissolved gas sampling method has three kinds：The stainless steel cylinder sampling method of copper pipe sampling method, vacuum valve
With vacuum separation unit sampling method.Wherein, copper pipe sampling method is to be generally accepted the Groundwater solution method of sampling at present, is led to
Cross and take water sample to be then delivered to lab analysis gas, reliability has been found to, but method grasps technical difficulty greatly, preceding place
Reason requires height, to extract gas during lab analysis from water, wastes time and energy, still another shortcoming is that copper pipe sampling method test sample
Can only determine abroad, very inconvenient, high cost；The sampler cost of manufacture of the stainless steel cylinder sampling method of vacuum valve is high not to be had
To popularization；And gas courage occupies certain space and causes taken 3000ml concrete water qualities in the sampler in vacuum separation unit sampling method
There is certain error, the upper and lower cock of gas collecting apparatus inevitably has gas leak phenomenon, and its discharge is elongated cylindrical, not side
Just transport.
As can be seen here, above-mentioned existing underground water dissolved gas separator is in structure, method and uses upper, it is clear that still
Inconvenience and defect are there are, and is urgently further improved.How a kind of simple structure, easy to operate, low cost are founded
New Groundwater solution gas sampling system, one of real current important research and development problem of category.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of Groundwater solution gas sampling system, makes its simple
The convenient and accurate sampling for realizing underground water dissolved gas, so as to overcome existing underground water dissolved gas sampling method
Deficiency.
In order to solve the above technical problems, the utility model provides a kind of Groundwater solution gas sampling system, including gas
Body separator, the gas fractionation unit includes sampling bottle and connected vavuum pump and air-blowing capsule,
The bottleneck of the sampling bottle is distinguished equipped with three sealing bottle corks of through hole are set in three through holes of the sealing bottle cork
A pipe, No. two pipes and No. three pipes are provided with, wherein, the lower end of a pipe connects collapsible bladders, and its upper end passes through threeway
Pipe is connected on the vavuum pump and air-blowing capsule, and a pipe in the connection end being connected with the vavuum pump and air-blowing capsule respectively
It is respectively equipped with the first tongs and the 4th tongs；The lower end of No. two pipes is set close to sampling bottle top, its upper end
Second tongs；The lower end of No. three pipes sets the 3rd tongs close to the sampling bottle bottom, its upper end.
Further improve, a pipe, No. two pipes and No. three pipes are rubber tube.
Used as a kind of improvement of the present utility model, also including gas syringe and gas collecting apparatus, the gas syringe is used
In the solution gas isolated in the sampling bottle being extracted out and is preserved in being pressed into the gas collecting apparatus.
Further improve, the gas collecting apparatus is the gas bottle for filling liquid.
Further improve, the gas bottle configures two kinds of sealing bottle corks, a kind of bottle stopper is hermetically sealed bottle stopper, another bottle stopper
To be equipped with the bottle stopper of outlet pipe and syringe needle thereon.
Further improve, described bottle stopper is rubber stopper.
After such design, the utility model at least has advantages below：
The utility model on the sealing bottle cork of sampling bottle by setting three rubber tubes, wherein a pipe lower end connection can
Bladders is shunk, No. three pipes realize there be the thorough of air to sampling bottle Central Plains first to water filling in sampling bottle, No. two uniform water outlets of pipe
Removal, dexterously avoid influence of the air to solution gas in underground water, secondly by collapsible bladders vavuum pump effect
Under, negative pressure is formed in the sampling bottle for making sealing, being kept completely separate for solution gas in underground water is realized using negative pressure degasification principle, tie
Structure is simple, easy to operate, can be widely used in the gas sample of Groundwater solution.
The utility model also by using inverted salt solution gas bottle Collection and conservation solution gas, is preserved using water seal method and dissolved
Gas, both improve gas containing accuracy of measurement, be not easy to escape gas again, for subsequent dissolution Gas content analysis provides reliably protect
Card.
The utility model Groundwater solution gas sampling system simple structure, with low cost, simple to operate, convenient fortune
It is defeated.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand technology hand of the present utility model
Section, below in conjunction with accompanying drawing, the utility model is described in further detail with specific embodiment.
Fig. 1 is the structural representation of gas fractionation unit in the utility model.
Fig. 2 is the structural representation of gas collecting apparatus in the utility model.
Specific embodiment
The utility model is directed to the innovation that sampler and discharge in existing vacuum separation unit are carried out, its specific reality
Under applying for example.
The present embodiment Groundwater solution gas sampling system includes gas fractionation unit and gas collecting apparatus.
Referring to the drawings shown in 1, the gas fractionation unit includes sampling bottle 5 and connected vavuum pump 6 and air-blowing capsule 7.
The sampling bottle 5 is the vial of 3.178L in the present embodiment, and its bottleneck is equipped with and sets three sealing bottle corks of through hole, the sealing bottle cork
Three through holes in be respectively equipped with a pipe 3 of pipe 2, three of pipe 1, two, three pipes are rubber tube.Number lower end of pipe 1
Connect a collapsible bladders 4, its upper end connects vavuum pump 6 and air-blowing capsule 7 by three-way pipe, and a pipe 1 with vavuum pump 6
Tongs 11,14 is respectively equipped with the connection end of air-blowing capsule 7.No. two lower ends of pipe 2 close to the top of sampling bottle 5, its upper end
It is provided with tongs 12.Close to the bottom of sampling bottle 5, its upper end is provided with tongs 13 for No. three lower ends of pipe 3.
Referring to the drawings shown in 2, the gas collecting apparatus is the gas bottle 10 for filling liquid.Liquid in the present embodiment in gas bottle 10
Body uses sampling of ground water to be measured, overcomes redissolution of the general liquid on Groundwater solution to influence, and is collected and preservation with more accurate
Groundwater solution.The bottleneck of the gas bottle 10 configures two kinds of sealing bottle corks, and a kind of bottle stopper is hermetically sealed bottle stopper, another bottle stopper
To be equipped with the bottle stopper of outlet pipe and syringe needle thereon.The sealing bottle cork uses rubber material.
The Groundwater solution gas sampling system also includes gas syringe, for molten by what is isolated in sampling bottle 5
Vent one's spleen and extract and be pressed into preservation in the gas bottle 10 out.
The utility model Groundwater solution gas sampling system application method is as follows：
(1) tongs 11,12,13 is opened, starts vavuum pump 6, vavuum pump 6 is by a pipe 1 and coupled bladders 4
Interior gas is completely drawn out, and now closes tongs 11；
(2) by No. three pipes 3 to underground water is injected in sampling bottle 5, until water uniformly flows out from the upper end of No. two pipes 2, this
When clamp No. two pipes 2 with tongs 12, clamp No. three pipes 3 with tongs 13, noting the lower end of tongs 12,13 can not have time
Gas；
(3) tongs 14 is opened, a pipe 1 is communicated with air-blowing capsule 7, and open No. three tongses of pipe 3 13, extruding drum
Air bag 7 makes gassy (bladders volume is 1.178L) in bladders 4, and at the same time underground water can be from No. three upper end of pipe 3 discharges, row
The volume of water outlet is 1.178L, now closes tongs 14 and tongs 13, and take out air-blowing capsule 7；
(4) tongs 11 is opened, vavuum pump 6 all evacuates the gas in a pipe 1 and bladders 4, closes tongs 11,
Tongs 14 is opened, the inside of bladders 4 and external atmosphere pressure is balanced, tongs 14 is turned off；
(5) repeat step (4) 3 to 5 times, using the principle of negative pressure degasification, realize that dissolved gas are complete with water sample
Separate, gas syringe is connected with No. two upper ends of pipe 2, extract the gas in sampling bottle 5 out with gas syringe, and inject inversion
The gas bottle 10 for filling sampling of ground water to be measured in, gas is stored in gas bottle 10 using the method for water seal.
Wherein, the application method of gas collecting apparatus is：First gas bottle 10 is immersed in sampling of ground water to be measured, one bottle of liquid water is taken
Sample is stoppered with the rubber stopper with outlet pipe and injection needle, can not there is bubble in bottle, is then inverted the gas bottle 10, thereon
Injection needle be connected with above-mentioned gas syringe, gas is pressed into the gas bottle 10, after gas collection terminates, by the gas collection
Bottle 10 is inverted into sampling of ground water to be measured again, changes hermetically sealed rubber stopper and stoppers, i.e. sampling is completed.
The utility model Groundwater solution gas fractionation unit has carried out accurate calculating, Neng Gouzhun to the capacity of sampling bottle
The water sample of true acquirement certain volume；And by the way that from No. three water inlet tubes, No. two pipe water outlets can be by original sky in sampling bottle
Gas is thoroughly removed, simple to operate, dexterously avoids influence of the air to solution gas in underground water；Using also in the system
The salt solution gas collection bottle put using water seal method preserve solution gas improve gas containing accuracy of measurement, compared to existing discharge,
Water bag preservation method, gas has obtained preserving well without escaping.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
Fall in protection domain of the present utility model.
Claims (6)
1. a kind of Groundwater solution gas sampling system, it is characterised in that including gas fractionation unit, the gas separates dress
Put including sampling bottle and connected vavuum pump and air-blowing capsule,
The bottleneck of the sampling bottle is respectively equipped with equipped with three sealing bottle corks of through hole are set in three through holes of the sealing bottle cork
Number pipe, No. two pipes and No. three pipes, wherein, the lower end of a pipe connects collapsible bladders, and its upper end is by three-way pipe point
Do not connect on the vavuum pump and air-blowing capsule, and a pipe in the connection end difference being connected with the vavuum pump and air-blowing capsule
It is provided with the first tongs and the 4th tongs；The lower end of No. two pipes sets second close to sampling bottle top, its upper end
Tongs；The lower end of No. three pipes sets the 3rd tongs close to the sampling bottle bottom, its upper end.
2. gas sampling system according to claim 1 a, it is characterised in that pipe, No. two pipes and No. three Guan Jun
It is rubber tube.
3. gas sampling system according to claim 1, it is characterised in that also including gas syringe and gas collecting apparatus,
The gas syringe, preserves for extracting and being pressed into the gas collecting apparatus solution gas isolated in the sampling bottle out.
4. gas sampling system according to claim 3, it is characterised in that the gas collecting apparatus is the gas collection for filling liquid
Bottle.
5. gas sampling system according to claim 4, it is characterised in that the gas bottle configures two kinds of sealing bottle corks,
A kind of bottle stopper is hermetically sealed bottle stopper, and another bottle stopper is the bottle stopper that outlet pipe and syringe needle are housed thereon.
6. gas sampling system according to claim 5, it is characterised in that described bottle stopper is rubber stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154107.2U CN206235495U (en) | 2016-10-31 | 2016-10-31 | A kind of Groundwater solution gas sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154107.2U CN206235495U (en) | 2016-10-31 | 2016-10-31 | A kind of Groundwater solution gas sampling system |
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| Publication Number | Publication Date |
|---|---|
| CN206235495U true CN206235495U (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621154107.2U Active CN206235495U (en) | 2016-10-31 | 2016-10-31 | A kind of Groundwater solution gas sampling system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799119A (en) * | 2019-03-16 | 2019-05-24 | 山东省地质矿产勘查开发局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | Geothermal fluid gas sample sampling equipment for field |
| CN110641657A (en) * | 2019-08-23 | 2020-01-03 | 冯鑫 | Deep sea robot of crawling |
| CN111766121A (en) * | 2020-08-03 | 2020-10-13 | 四川洁承环境科技有限公司 | Air collection equipment for air detection |
| CN113153282A (en) * | 2021-04-28 | 2021-07-23 | 中国地质大学（北京） | Overlying strata hydraulic and rock mechanics monitoring method and system |
-
2016
- 2016-10-31 CN CN201621154107.2U patent/CN206235495U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799119A (en) * | 2019-03-16 | 2019-05-24 | 山东省地质矿产勘查开发局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | Geothermal fluid gas sample sampling equipment for field |
| CN110641657A (en) * | 2019-08-23 | 2020-01-03 | 冯鑫 | Deep sea robot of crawling |
| CN111766121A (en) * | 2020-08-03 | 2020-10-13 | 四川洁承环境科技有限公司 | Air collection equipment for air detection |
| CN113153282A (en) * | 2021-04-28 | 2021-07-23 | 中国地质大学（北京） | Overlying strata hydraulic and rock mechanics monitoring method and system |
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