CN109738235A - A kind of batch extraction soil water installations - Google Patents
A kind of batch extraction soil water installations Download PDFInfo
- Publication number
- CN109738235A CN109738235A CN201910132370.3A CN201910132370A CN109738235A CN 109738235 A CN109738235 A CN 109738235A CN 201910132370 A CN201910132370 A CN 201910132370A CN 109738235 A CN109738235 A CN 109738235A
- Authority
- CN
- China
- Prior art keywords
- trap
- sealing
- plug
- valve
- soil water
- 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.)
- Pending
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of batches to extract soil water installations, including the heating device with several heating tanks, condensing unit with several condensate tank(trap)s, multi-pipeline air admission junction device, remove water filter trap, air pressure dial gauge, vacuum pump and several groups draw-out device, draw-out device includes heating tube, sealing-plug one, removal filtration trap, connecting tube, valve one in connecting tube, exhaust pipe, valve two on exhaust pipe, cold trap, sealing-plug two, air inlet pipe, escape pipe and the valve three on escape pipe, one bottom of sealing-plug is additionally provided with the groove for placing filter cotton, removal filtration trap inlet and outlet are connect with connecting tube and air inlet pipe respectively, sealing-plug two is sealed for cold trap, the escape pipe other end is connect with the one of air inlet duct of multi-pipeline air admission junction device, multi-pipeline air admission junction device again successively with removed water Filter trap, air pressure dial gauge and vacuum pump connection.The present invention have it is easy to use, can multi-pipeline the characteristics of extracting simultaneously.
Description
Technical field
The present invention relates to a kind of batches to extract soil water installations, belongs to soil water extraction device technical field.
Background technique
In recent years, the yield of underground water rises year by year with the influence of climate change and mankind's activity, many places
All there is quality of groundwater variation, regional decline of the phreatic table, the various problems such as the aeration zone incrassation seriously constrain local warp
The development of Ji.The water-accumulating body that tie of the aeration zone as connection underground water and surface water, hole and crack are constituted is for moisture
Absorption, storage and conveying have important research significance.Therefore, analyze aeration zone moisture migration and changing rule for
The reasonable using with important theoretical and practical significance of water resource is realized in the supply of Study of The Underground water.
The migration of aeration zone moisture is the process of a kind of sufficiently complex physics and chemical action, by the system of various factors
About, atmospheric pressure, the soil moisture, soil characteristic etc. are specifically included that.With the continuous development of science and technology, more and more new methods
Theory is for studying the migration of aeration zone moisture.Wherein, isotope method is with higher sensitive for other methods
Degree and accuracy because it is the component of hydrone can be good at the migration of tracer moisture.
Even to this day, artificial collected undisturbed soil laboratory is taken back to carry out Tu Shui separation to remain the measurement soil water same
The main method of position element.Isolated method specifically includes that 1, azeotropic distillation method, commonly uses benzene,toluene,xylene, utilizes itself and water
It is immiscible, and azeotropic temperature difference carries out Tu Shui separation.2, centrifugal separation is separated the soil water using centrifugal force from soil
Out.3, vacuum distillation method is separated from soil using the phase-state change of water.Wherein, vacuum distillation method is to different soils
The soil of water content can be applied, and be current most widely used soil water extracting method.Current soil water extraction device is big
It uses glass device more, in order to guarantee that experiment can carry out under vacuum, needs to smear vacuum sealing grease in the interface of device, seal rouge
It may be entered in vacuum pump with vacuumizing, the vacuum degree of device is caused to decline.The extraction for carrying out a soil sample every simultaneously
After be required to wipe vacuum sealing grease with petroleum ether, smear the extraction that vacuum sealing grease carries out next sample again after cleaning instrument, this
Considerably increase experiment difficulty.Therefore, it in order to improve the efficiency for extracting the soil water and the operation for simplifying experiment, needs to design one
The novel soil water extracting device of kind.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of easy to use and can extract simultaneously soil with multi-pipeline
The device of water.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of batch extracts soil water installations, including with several heating tanks heating device, with several condensate tank(trap)s
Condensing unit, multi-pipeline air admission junction device, water removal filter trap, air pressure dial gauge, vacuum pump and several groups draw-out device, institute
Draw-out device is stated to include heating tube, sealing-plug one, removal filtration trap, connecting tube, valve one, exhaust pipe, be located at the exhaust pipe
On valve two, cold trap, sealing-plug two, air inlet pipe, escape pipe and valve three, the sealing-plug one is equipped with for described
The spliced eye of exhaust pipe and the connecting tube, one bottom of sealing-plug is additionally provided with the groove for placing filter cotton, described
Valve one is located in the connecting tube, and the connecting tube other end is connect with the removal filtration trap arrival end, described to clean
Filter trap outlet end is connect with the air inlet pipe, and the sealing-plug two is sealed for the cold trap, and the sealing-plug two is equipped with
For the air inlet pipe and the spliced eye of the escape pipe, the valve three is located on the escape pipe, and the escape pipe is another
One end is connect with the one of air inlet duct of multi-pipeline air admission junction device, the multi-pipeline air admission junction device again successively with
The water removal filter trap, the air pressure dial gauge and vacuum pump connection.
Further, one upper and lower side of sealing-plug is also socketed with gasket seal.
Further, the sealing-plug one, the gasket seal, the sealing-plug two and all pipelines and valve are adopted
It is made of tetrafluoroethene.
Further, magnesium perchlorate is placed in the water removal filter trap.
Further, active carbon is placed in the removal filtration trap.
Further, the heating tube and the cold trap are made of high-boron-silicon glass.
Advantageous effects of the invention: may be implemented to extract simultaneously using multiple groups draw-out device parallel
Multiple soil water samples have dramatically speeded up extraction soil water efficiency, while can be good at guaranteeing device using tetrafluoroethene material
The airtightness of junction ensure that the complete of the soil water of collection, improve the precision of isotope measure.
Detailed description of the invention
Fig. 1 is example structure schematic diagram (wherein draw-out device only indicates wherein one group)；
Fig. 2 is multi-pipeline air admission junction device structural schematic diagram in embodiment；
Description of symbols: constent temperature heater 1, heating tank 2, soil sample 3, heating tube 4, sealing-plug one, Tetrafluoro spacer 6, even
Adapter tube 7, tetrafluoro valve 1, filter trap 9, air inlet pipe 10, cold trap 11, escape pipe 12, tetrafluoro valve 3 13, air inlet connection dress
Set 14, filter trap 15, vacuum pump 16, condensate tank(trap) 17, condensing unit 18, pipeline air inlet duct 19, air pressure dial gauge 20, tetrafluoro valve
2 21, exhaust pipe 22.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Fig.1 and Fig.2, a kind of batch extracts soil water installations, including the heated at constant temperature dress with 2*4 heating tank 2
Set the 1, condensing unit 18 with 2*4 condensate tank(trap) 17,2*4 pipeline air admission junction device 14, water removal filter trap 15, air pressure refer to
Show that table 20, vacuum pump 16 and 8 groups of draw-out devices corresponding with the quantity such as heating tank certainly, can in the case that quantity is inconsistent
To be sealed using plug to extra air inlet, it is described in detail below with wherein one group of draw-out device, it is specific as follows.
Draw-out device includes heating tube 4, sealing-plug 1, removal filtration trap 9, connecting tube 7, valve 1, exhaust pipe 21, position
In valve 2 22, cold trap 11, sealing-plug two, air inlet pipe 10, escape pipe 12 and valve 3 13 on exhaust pipe, wherein sealing
It fills in 1 and is equipped with the spliced eye for being used for exhaust pipe 21 and connecting tube 7, one 5 upper and lower side of sealing-plug is socketed with gasket seal 6, bottom
Portion is equipped with the groove for placing cotton, can avoid particle in soil sample 3 and enters in connecting line 7, valve 1 is located at connecting tube 7
On, 7 other end of connecting tube is connect with 9 entrance of removal filtration trap, and 9 outlet end of removal filtration trap is connect with air inlet pipe 10, sealing
Plug two is sealed for cold trap 11, and sealing-plug two is equipped with the spliced eye for air inlet pipe 10 and escape pipe 12, valve 3 13
On escape pipe 12,12 other end of escape pipe is connect with the one of air inlet duct 19 of multi-pipeline air admission junction device 14, multitube
Road air admission junction device 14 is successively connect with water removal filter trap 15, air pressure dial gauge 20 and vacuum pump 16 again.Wherein sealing-plug
One 5, gasket seal 6, sealing-plug two and all pipelines 7/21/10/12 and all valves 22/8/13 are all made of tetrafluoroethene system
At tetrafluoroethene high temperature resistant will not deform under the conditions of 100 DEG C, and leakproofness is good, and heating tube 4 and cold trap 11 use
High-boron-silicon glass is made, equally have high temperature resistant, the performance of low bulk, in conjunction with the structure of sealing-plug, may further ensure that with
The sealing effect of heating tube 4 and cold trap 11 does not need to be sealed using vacuum sealing grease, can significantly improve test effect
Rate removes water in filter trap 15 and is placed with magnesium perchlorate, prevents steam from entering in vacuum pump, place in removal filtration trap 9 active
Charcoal can adsorb impurity in pipeline.Above-mentioned cotton, magnesium perchlorate and active carbon are required to periodically be replaced, to protect
Demonstrate,prove filter effect.
Specifically used method is as follows:
It is illustrated by taking a wherein pipeline as an example.
(a) soil sample 3 to be measured is installed in heating tube 4 first, tetrafluoro valve 1 and tetrafluoro valve 3 13 is closed, then beats
It opens vacuum pump 16 to start to be vacuumized, when vacuum pump pressure indicator 20 is read less than 1, illustrates filter trap 15 to vacuum
The equipment of pump 16 is under vacuum condition, is then turned on tetrafluoro valve 3 13, is vacuumized to cold neck trap 11 and filter trap 9,
Tetrafluoro valve 8 is detached to the steam in 16 device of vacuum pump；
(b) constant temperature electric furnace 1 is opened after, adjusting electric furnace equilibrium temperature is 105 DEG C, opens tetrafluoro valve 8.When in vacuum pump
Pressure indicator reading display less than 1 when, illustrate instrument work normally；
(c) it extracts after a certain period of time, the soil sample water in heating tube 4 is all pulled out, and is at this moment closed tetrafluoro valve 13 and is opened
Cold trap 11 is taken out from condensate tank(trap) 17, piston two is extracted by the tetrafluoro valve 2 21 on exhaust pipe 22, to condensate tank(trap) 17 into
Row sealing prevents from exchanging with the steam progress isotope in atmosphere,
(d) after the ice crystal of cold trap 11 melts completely, using 0.22 μm of organic membrane filtration, sample is moved to ml headspace bottle simultaneously
It is stored in 4 DEG C of refrigerators, can be used for subsequent isotope analysis.
The tetrafluoro valve 3 13 of each branch controls the vacuum service condition of each bypass line, when instrument brings into operation,
All valves of branch on converter should be closed and open corresponding branch road valve when bypass line is run.
The pressure indicator reading of vacuum pump indicates that each bypass line is in vacuum condition less than 1, when pressure indicates
Meter reading is greater than 1, and expression wherein has bypass line failure, needs to check one by one.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of batch extracts soil water installations, characterized in that if including with several heating tanks heating device, have it is dry and cold
Condensing unit, multi-pipeline air admission junction device, water removal filter trap, air pressure dial gauge, vacuum pump and the several groups of solidifying slot extract
Device, the draw-out device include heating tube, sealing-plug one, removal filtration trap, connecting tube, the valve in the connecting tube
One, exhaust pipe, the valve two on the exhaust pipe, cold trap, sealing-plug two, air inlet pipe, escape pipe and valve three, institute
It states sealing-plug one and is equipped with the spliced eye for being used for the exhaust pipe and the connecting tube, one bottom of sealing-plug is additionally provided with use
In the groove for placing filter cotton, the connecting tube other end is connect with the removal filtration trap arrival end, the removal filtration trap
Outlet end is connect with the air inlet pipe, and the sealing-plug two is sealed for the cold trap, and the sealing-plug two is equipped with and is used for
The spliced eye of the air inlet pipe and the escape pipe, the valve three are located on the escape pipe, the escape pipe other end
Connect with the one of air inlet duct of multi-pipeline air admission junction device, the multi-pipeline air admission junction device again successively with it is described
Remove water filter trap, the air pressure dial gauge and vacuum pump connection.
2. a kind of batch according to claim 1 extracts soil water installations, characterized in that one upper and lower side of sealing-plug is also
It is socketed with gasket seal.
3. a kind of batch according to claim 2 extracts soil water installations, characterized in that the sealing-plug one, described close
Gasket, the sealing-plug two and all pipelines and valve are all made of tetrafluoroethene and are made.
4. a kind of batch according to claim 1 extracts soil water installations, characterized in that placed in the water removal filter trap
There is magnesium perchlorate.
5. a kind of batch according to claim 1 extracts soil water installations, characterized in that placed in the removal filtration trap
Active charcoal.
6. a kind of batch according to claim 1 extracts soil water installations, characterized in that the heating tube and described cold
Solidifying trap is made of high-boron-silicon glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132370.3A CN109738235A (en) | 2019-02-22 | 2019-02-22 | A kind of batch extraction soil water installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132370.3A CN109738235A (en) | 2019-02-22 | 2019-02-22 | A kind of batch extraction soil water installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109738235A true CN109738235A (en) | 2019-05-10 |
Family
ID=66368059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910132370.3A Pending CN109738235A (en) | 2019-02-22 | 2019-02-22 | A kind of batch extraction soil water installations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109738235A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672367A (en) * | 2019-09-20 | 2020-01-10 | 深圳雨伦环境科技有限公司 | Moisture vacuum extraction device and moisture vacuum extraction method |
| CN111141780A (en) * | 2019-12-26 | 2020-05-12 | 兰州空间技术物理研究所 | Low-pressure photo-thermal water-taking simulation experiment device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444683A (en) * | 2008-12-04 | 2009-06-03 | 上海化工研究院 | Device for extracting specific components from solid sample |
| CN205483676U (en) * | 2016-04-05 | 2016-08-17 | 河海大学 | Saline minerals trace water vacuum extraction device |
| CN205991896U (en) * | 2016-08-26 | 2017-03-01 | 贵州师范大学 | A kind of soil water device for filtering and collecting |
| CN108398294A (en) * | 2018-01-31 | 2018-08-14 | 河海大学 | A kind of extraction soil water installations and its extracting method |
-
2019
- 2019-02-22 CN CN201910132370.3A patent/CN109738235A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444683A (en) * | 2008-12-04 | 2009-06-03 | 上海化工研究院 | Device for extracting specific components from solid sample |
| CN205483676U (en) * | 2016-04-05 | 2016-08-17 | 河海大学 | Saline minerals trace water vacuum extraction device |
| CN205991896U (en) * | 2016-08-26 | 2017-03-01 | 贵州师范大学 | A kind of soil water device for filtering and collecting |
| CN108398294A (en) * | 2018-01-31 | 2018-08-14 | 河海大学 | A kind of extraction soil water installations and its extracting method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672367A (en) * | 2019-09-20 | 2020-01-10 | 深圳雨伦环境科技有限公司 | Moisture vacuum extraction device and moisture vacuum extraction method |
| CN111141780A (en) * | 2019-12-26 | 2020-05-12 | 兰州空间技术物理研究所 | Low-pressure photo-thermal water-taking simulation experiment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103234778B (en) | Device for enriching semi-volatile organic compounds in underground water | |
| CN109738235A (en) | A kind of batch extraction soil water installations | |
| CN106124266A (en) | A kind of liquid-based cell sample manufacturing method | |
| CN204373958U (en) | A kind of soil liquid harvester | |
| CN108398294A (en) | A kind of extraction soil water installations and its extracting method | |
| CN205483676U (en) | Saline minerals trace water vacuum extraction device | |
| CN109855913A (en) | Underground water-borne radioactivity inert gas nucleic surveys year sampling system and its method of sampling | |
| CN115575531A (en) | Split type automatic monitoring system and monitoring method for molecular components of atmospheric organic aerosol | |
| CN206362593U (en) | The stripping air lift harvester of volatile organic matter in a kind of water | |
| CN101934157A (en) | Device and method for extracting water content of soil sample | |
| CN103901142B (en) | A kind of water that to be separated in alcoholic beverage is for the method for H and O isotope assay | |
| CN205487368U (en) | Device of fast quick test hydrogen of multiple spot after nuclear power station containment accident | |
| CN106989964A (en) | A kind of experimental system for testing the discharge of crude oil storage tank loss through breathing | |
| CN106644618B (en) | Gas sampling system and application thereof | |
| CN101655422A (en) | Device for recovering particles by vacuum collision method | |
| CN113834702B (en) | Use method of negative pressure gas production box for odor evaluation | |
| CN213985932U (en) | Quick preparation facilities of biological sample tissue free water tritium | |
| CN203178108U (en) | Enriching device for semi-volatile organic compounds in underground water | |
| CN208206969U (en) | A kind of portable small precast unit | |
| CN205826373U (en) | It is sealed in ice core parcel gas extraction device in ice-melt still | |
| CN105973657B (en) | Ice core wraps up gas extraction device | |
| CN108899104B (en) | Is used for preparing85Method of Kr standard source | |
| CN207908241U (en) | A kind of aquiclude pore water14C extraction elements | |
| CN117310780B (en) | Dual-channel full-automatic on-line measurement system and method for radon concentration in water | |
| CN205808768U (en) | The device of micro volume solution in a kind of in-situ acquisition gap |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
|
| RJ01 | Rejection of invention patent application after publication |