CN109932497A - A kind of coral skerries underground water desalination Experimental mimic system and method - Google Patents
A kind of coral skerries underground water desalination Experimental mimic system and method Download PDFInfo
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- CN109932497A CN109932497A CN201910251937.9A CN201910251937A CN109932497A CN 109932497 A CN109932497 A CN 109932497A CN 201910251937 A CN201910251937 A CN 201910251937A CN 109932497 A CN109932497 A CN 109932497A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 41
- 235000014653 Carica parviflora Nutrition 0.000 title claims abstract description 39
- 241000243321 Cnidaria Species 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000003278 mimic effect Effects 0.000 title claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 239000011259 mixed solution Substances 0.000 claims abstract description 33
- 239000013505 freshwater Substances 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000004088 simulation Methods 0.000 claims abstract description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 13
- 239000002562 thickening agent Substances 0.000 claims abstract description 9
- 239000011780 sodium chloride Substances 0.000 claims abstract description 8
- 238000011049 filling Methods 0.000 claims description 57
- 238000005070 sampling Methods 0.000 claims description 26
- 238000001556 precipitation Methods 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000000280 densification Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 1
- 239000003673 groundwater Substances 0.000 abstract description 10
- 244000132059 Carica parviflora Species 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 5
- 239000013535 sea water Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 241001365789 Oenanthe crocata Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention discloses a kind of coral skerries underground water desalination Experimental mimic system and methods, belong to underground water desalination analog detection technical field.The coral skerries underground water desalination Experimental mimic system includes: that media filler area is arranged in liquid fill area, and media filler area and liquid fill area are coaxial；It is provided with medium in media filler area, mixed solution is provided in liquid fill area, the top of medium and the liquid level of mixed solution are concordant, and mixed solution is mixed by sodium chloride solution and thickener；The top in media filler area, the top of the water outlet alignment medium fill area of dewatering device is arranged in dewatering device；Desalinating detection device can be inserted into media filler area.Coral skerries underground water desalination Experimental mimic system of the present invention and method can carry out coral skerries underground water desalination test simulation indoors, can reveal that the operating mechanism of fresh water coral reef fresh groundwater.
Description
Technical field
The present invention relates to underground water to desalinate analog detection technical field, in particular to a kind of coral skerries underground water desalination examination
Test simulation system and method.
Background technique
Fresh water lens refer to due to salt-fresh water density variation generate float on seawater, just like lens shape exist
The unique underground fresh-water resource in island.Under the special geologic condition of coral skerries, fresh groundwater lenticular body becomes island master
The fresh water sources wanted.
Since understanding of the past for the formation operating mechanism of island fresh groundwater is not comprehensive enough, excessive, water is such as exploited
The un-reasonable phenomenons such as matter pollution frequently generate, and cause the reserves of available fresh water sharply to reduce, seriously affect resident living and environment
Quality.
But there is no the formation operating mechanism to island fresh groundwater to study in the prior art.
Summary of the invention
The present invention provides a kind of coral skerries underground water desalination Experimental mimic system and method, solves or part solves
The problem of investigative technique is carried out to the formation operating mechanism of island fresh groundwater in the prior art.
In order to solve the above technical problems, the present invention provides a kind of coral skerries underground water to desalinate Experimental mimic system packet
It includes: dewatering device, media filler area, liquid fill area and desalination detection device；The media filler area is arranged in the liquid
In fill area, the media filler area and the liquid fill area are coaxial；Medium, the liquid are provided in the media filler area
Mixed solution is provided in body fill area, the top of the medium is concordant with the liquid level of the mixed solution, the mixed solution
It is mixed by sodium chloride solution and thickener；The top in the media filler area, the precipitation is arranged in the dewatering device
The water outlet of device is directed at the top in the media filler area；The desalination detection device can be inserted into the media filler area.
Further, the dewatering device includes: water inlet pipe, flowmeter and shower；The water outlet of the water inlet pipe is arranged
The shower, the shower are directed at the top in the media filler area；The flowmeter is arranged on the water inlet pipe.
Further, the media filler area includes: the first filling cylinder；The bottom of first filling cylinder is provided with
Bottom plate, first filling cylinder are arranged in the liquid fill area, and the medium is arranged in first filling cylinder；
Uniform intervals offer several permeable holes on the barrel of first filling cylinder.
Further, first filling cylinder further include: dash side edge；The dash side edge and first filling tube
Body coaxial arrangement；The top of first filling cylinder is arranged in the bottom on the dash side edge；The bottom on the dash side edge
Diameter is less than the top diameter on the dash side edge.
Further, the shape on the dash side edge is round table-like.
Further, the liquid fill area includes: the second filling cylinder；The bottom of second filling cylinder is provided with
Baffle；The mixed solution is arranged in second filling cylinder.
Further, the desalination detection device includes: salinometer and long small needle tube；The sampling end of the long small needle tube can
It is inserted into the media filler area；The sampling end of the long small needle tube is removably connect with the salinometer.
Based on identical inventive concept, the present invention also provides a kind of coral skerries underground water desalination test simulation methods to include
Following steps: the media filler area is co-axially located in liquid fill area；It, will by filled media in the media filler area
Mixed solution is filled in the liquid fill area, until the top of the medium is concordant with the liquid level of the mixed solution；Pass through
Dewatering device is sprayed media filler area by default precipitation；It, will be light after the fresh water of dewatering device sprinkling penetrates into medium
Change and is sampled in the detection device insertion media filler area；The desalination detection device surveys the salinity of sampling liquid
It is fixed, specify boundary and the changeover portion of fresh water.
Further, described by filled media in media filler area includes: that the dielectric stratifying is filled in the medium
In fill area, the layer-by-layer densification of the medium is tamped, makes the medium close to ideal homogeneous porous medium.
Further, described that desalination detection device is inserted into the media filler area to be sampled include: to be given an account of
Matter top surface is benchmark face, and the depth direction along the media filler area equidistantly sets gradually sampling face；On sampling face
Sample point is set；The desalination detection device is inserted into the medium, is sampled at the sample point, and record position coordinate.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
Since media filler area is arranged in liquid fill area, media filler area and liquid fill area are coaxial, media filler
It is provided with medium in area, mixed solution is provided in liquid fill area, the top of medium and the liquid level of mixed solution are concordant, mixing
Solution is mixed by sodium chloride solution and thickener, so, using the high-consistency of mixed solution and the low-permeability of medium, make
It is realized underground water desalination simulation by the permeation effects of mixed solution around medium, is filled out since dewatering device is arranged in medium
Fill the top in area, the top of the water outlet alignment medium fill area of dewatering device, so, nature drop can be simulated with dewatering device
Water, since desalination detection device can be inserted into media filler area, so, desalination detection device insertion is taken in media filler area
Sample, and the salinity of sampling liquid is measured, boundary and the changeover portion of fresh water are specified, precipitation, infiltration coefficient and light are established
Hydrospace distribution relationship, for analyze fresh water lens generation, conversion, dissipation process, disclose lenticular body formation mechenism,
Coral skerries underground water desalination test simulation can be carried out indoors, can reveal that the conveyer of fresh water coral reef fresh groundwater
Reason.
Detailed description of the invention
Fig. 1 is the block diagram that coral skerries underground water provided in an embodiment of the present invention desalinates Experimental mimic system；
Fig. 2 is the structural schematic diagram that coral skerries underground water provided in an embodiment of the present invention desalinates Experimental mimic system；
Fig. 3 is that coral skerries underground water desalinates the liquid fill area of Experimental mimic system in Fig. 1 and media filler area is arranged
Schematic diagram；
Fig. 4 is the explosive view in the media filler area that coral skerries underground water desalinates Experimental mimic system in Fig. 1.
Specific embodiment
Referring to Fig. 1-3, a kind of coral skerries underground water desalination Experimental mimic system provided in an embodiment of the present invention includes: drop
Water installations 1, media filler area 2, liquid fill area 3 and desalination detection device 4.
Media filler area 2 is arranged in liquid fill area 3, and media filler area 2 and liquid fill area 3 are coaxial.
Be provided with medium in media filler area 2, be provided with mixed solution in liquid fill area 3, the top of medium with mix
The liquid level of solution is concordant, and mixed solution is mixed by sodium chloride solution and thickener.
The top in media filler area 2, the top of the water outlet alignment medium fill area 3 of dewatering device 1 is arranged in dewatering device 1
Portion.
Desalination detection device 4 can be inserted into media filler area 2.
The application specific embodiment is since media filler area 2 is arranged in liquid fill area 3, media filler area 2 and liquid
Body fill area 3 is coaxial, and medium is provided in media filler area 2, mixed solution, the top of medium are provided in liquid fill area 3
Concordant with the liquid level of mixed solution, mixed solution is mixed by sodium chloride solution and thickener, so, utilize mixed solution
The low-permeability of high-consistency and medium makes to realize underground water desalination simulation by the permeation effects of mixed solution around medium,
Since dewatering device 1 is arranged in the top in media filler area 2, the top of the water outlet alignment medium fill area 3 of dewatering device 1,
So natural precipitation can be simulated with dewatering device 1, since desalination detection device 4 can be inserted into media filler area 2, so, it is light
Change and be sampled in the insertion of detection device 4 media filler area 2, and the salinity of sampling liquid is measured, specifies the side of fresh water
Boundary and changeover portion establish the relationship of precipitation, infiltration coefficient and fresh water spatial distribution, for analyze fresh water lens generation,
Conversion, the process to dissipate, disclose lenticular body formation mechenism, can carry out coral skerries underground water desalination test simulation indoors,
It can reveal that the operating mechanism of fresh water coral reef fresh groundwater.
Specifically, dewatering device 1 includes: water inlet pipe 1-1, flowmeter 1-2 and shower 1-3.
Shower 1-3 is fixedly installed in the water outlet of water inlet pipe 1-1, and the water inlet of water inlet pipe 1-1 is connected to extraneous tap.Flower
The top for spilling 1-3 alignment medium fill area 2, the water for spraying shower 1-3 are only sprinkled upon in media filler area 2.
Wherein, water inlet pipe 1-1 is the commercially available plastic flexible pipe to water delivery, is general part.Flowmeter 1-2 is commercially available to supervise
The instrument of measurement of discharge, flowmeter 1-2 are digital flowmeter, general part；Shower 1-3 pours sprinkler head to be commercially available, is general part.
Flowmeter 1-2 is arranged on water inlet pipe 1-1, for observing fountain height.
Referring to fig. 4, specifically, media filler area 2 includes: the first filling cylinder 2-1.
The bottom of first filling cylinder 2-1 is fixedly installed bottom plate 2-2.Specifically, in the present embodiment, the first filling
The bottom of cylinder 2-1 can be provided with bottom plate 2-2 by being welded and fixed, in other embodiments, the bottom of the first filling cylinder 2-1
Portion can be fixedly installed bottom plate 2-2 by such as bolt otherwise.Bottom plate 2-2 is convenient for for closing the first filling cylinder 2-1
Media filler area 2 integrally takes out with medium, is convenient for changing medium.First filling cylinder 2-1 is arranged in liquid fill area 3, is situated between
Matter is arranged in the first filling cylinder 2-1.Medium can be sand, to form place as fresh water, provide geological conditions simulation.
Uniform intervals offer several permeable hole 2-3 on the barrel of first filling cylinder 2-1, convenient for the infiltration of mixed solution
Enter.Punching obtains after permeable hole 2-3 direct formwork when the barrel of the first filling cylinder 2-1 customizes is reserved or makes.
First filling cylinder first further include: dash side is along 2-4.
Dash side is coaxially disposed along 2-4 and the first filling cylinder 2-1.Dash side is fixed at first along the bottom of 2-4
The top of filling cylinder 2-1.Specifically, in the present embodiment, dash side can be existed along the bottom of 2-4 by the way that setting is welded and fixed
The top of first filling cylinder 2-1, in other embodiments, dash side can be otherwise such as bolts along the bottom of 2-4
Etc. the top for being fixed at the first filling cylinder 2-1.
Dash side is less than dash side along the top diameter of 2-4 along the base diameter of 2-4.Dash side is circle along the shape of 2-4
Mesa-shaped.Dash side enters in liquid fill area 3 along the fresh water that 2-4 can spray to avoid dewatering device 1.
Specifically, liquid fill area 3 includes: the second filling cylinder 3-1.
The bottom of second filling cylinder 3-1 is fixedly installed baffle 3-2.Specifically, in the present embodiment, the second filling
The bottom of cylinder 3-1 can be adhesively fixed by super glue and be provided with baffle 3-2, in other embodiments, the second filling tube
The bottom of body 3-1 can be fixedly installed baffle 3-2 by such as bolt otherwise.Baffle 3-2 is acrylic plastic plate, diameter
Suitable with the diameter of the second filling cylinder 3-1, baffle 3-2 is for closing the second filling cylinder 3-1.Second filling cylinder 3-1 is
Acrylic plastic plate.Mixed solution is arranged in the second filling cylinder 3-1.
Specifically, desalination detection device 4 includes: salinometer 4-1 and long small needle tube 4-2.
The sampling end of long small needle tube 4-2 can be inserted into the media filler area 2, for sampling.
The sampling end of long small needle tube 4-2 is removably connect with salinometer 4-1, is used for sample delivery to salinometer 4-
1 tests.
Wherein, salinometer 4-1 is commercially available seawater mariculture salinometer, can measure in 0-100 ‰ ranges, be logical
Appliance.
Long small needle tube 4-2 uses 1mL medical syringe when doing salinity sampling, medical using 100ml when doing bailing test
Syringe, syringe needle test syringe needle using stainless steel, and length 60mm -500mm is differed, can be chosen on demand, are general part.
Long small needle tube 4-2's uses the application range for making the device to be not limited to fresh water formation simulation, is applicable in model
It encloses very wide；In the exploitation use aspect of coral reef fresh groundwater, it can use the needle tubing insertion a certain depth of medium, carry out examination of drawing water
The simulation tested；Can also carry out " precipitation --- draw water " test, the mistake of fresh groundwater " exploitation --- recovery " under simulating natural condition
Journey.
Based on identical inventive concept, the present invention also provides a kind of coral skerries underground water desalination test simulation methods to include
Following steps:
Step 1, media filler area 2 is co-axially located in liquid fill area 3.
Step 2, by filled media in media filler area 2, mixed solution will be filled in liquid fill area 3, until medium
Top is concordant with the liquid level of mixed solution.
Step 3, media filler area 2 is sprayed by default precipitation by dewatering device 1.
Step 4, after the fresh water that dewatering device 1 sprays penetrates into medium, desalination detection device 4 is inserted into media filler area 2
Inside it is sampled.
Step 5, the salinity for desalinating 4 pairs of detection device sampling liquid is measured, and specifies boundary and the changeover portion of fresh water.
Step 2 is discussed in detail.
Include: by filled media in media filler area 2
Dielectric stratifying is filled in media filler area 2, the layer-by-layer densification of medium is tamped, keeps medium close ideal uniform
Porous media.
Step 4 is discussed in detail.
Desalination detection device 4 is inserted into media filler area 2 to be sampled and includes:
Using top of media surface as benchmark face, the depth direction along media filler area 2 equidistantly sets gradually sampling face.?
Sample point is set on sampling face.Desalination detection device 4 is inserted into the medium, is sampled at sample point, and record position coordinate.
The embodiment of the present invention is introduced in order to become apparent from, is introduced from the application method of the embodiment of the present invention below.
Before on-test, water inlet pipe 1-1, digital flowmeter 1-2, shower 1-3 are sequentially connected, and water inlet pipe 1-1 is another
End connection tap.
First filling cylinder 2-1 is co-axially located in the second filling cylinder 3-1, the diameter of the first filling cylinder 2-1 is small
In the second filling cylinder 3-1, spacing always, is protected between the outer wall of the first filling cylinder 2-1 and the outer wall of the second filling cylinder 3-1
Confirmatory test result treatment is smooth.
Selected simulation medium layering will be tested to be filled in the first filling cylinder 2-1, during which layer-by-layer densification compacting, makes
Medium is close to ideal homogeneous porous medium.Sodium chloride solution is configured, as simulated seawater, and a certain amount of thickener is added, mentions
High fluid viscosity, sodium chloride solution and thickener are mixed into mixed solution, and mixed solution is injected the second filling cylinder 3-1
It is interior, until being flushed with medium level.Wherein, starch can be used in thickener, and polyacrylamide can also be used.
By the top of the water outlet alignment medium of shower 1-3, tap is opened, carries out Quantitative Precipitation.
To under precipitation seep after, using the medium upper surface in the first filling cylinder 2-1 as benchmark face, downward even depth by
Layer sampling, every layer of sample point is equally spaced, and record position coordinate, and sampling liquid is placed in salinometer measurement salinity.Every takes
A small amount of liquid, sampling rear surface is restored, and is cleaned and dried long small needle tube in time, then carry out next point sampling.
When detecting fresh water, long small needle tube 4-2 is inserted into medium；Needle length is determined according to media filler height；It is doing
1mL medical syringe is used when salinity samples, and guarantees that sampling amount is few, fresh water body is avoided to destroy；100ml is used when doing bailing test
Medical syringe, quickening is drawn water process, after drawing water, then with 1mL medical syringe sampling that is new or cleaning drying.
After sampling, sample is dropped into salinometer 4-1, carries out salimity measurement.
Battery of tests is completed medium can be replaced in the whole taking-up in media filler area 2, then puts back to 3 center of liquid fill area, it
3 liquid of liquid fill area is supplemented afterwards, continues lower battery of tests.It can change precipitation, soil or filling liquid consistency to repeat to try
It tests.
The application is by carrying out the coral skerries underground water under different precipitation amount, medium osmosis coefficient and filling liquid consistency
Desalination process simulation is probed into operation mechanism, the medium of the main mixed solution for utilizing high-consistency and low-permeability, in small ratio
In example test model, underground water desalination simulation is realized；Class seawater liquid wherein is filled in liquid fill area, is filled out in media filler area
Filling medium simulates natural precipitation with precipitation system, determines that medium is under three-dimensional space in media filler area to desalinate detection system
Salinity at each point, with the boundary of clear fresh water and changeover portion, to establish precipitation, infiltration coefficient and fresh water spatial distribution
Relationship.
The application can easily control the test variable such as precipitation, infiltration coefficient, consistency, verify what it was formed with fresh water
The relationship of spatial distribution has important meaning to the Forming Mechanism of research coral skerries fresh water, operating mechanism, exploitation protection scheme
Justice.
The application facilitates interior to carry out coral skerries underground water desalination test simulation, is the formation machine of fresh water lens
The research of system, recovery method provides convenient experimental rig, desalinates simulation test by island underground water and analyzes fresh water lens
Generation, conversion, dissipation process, disclose lenticular body formation mechenism, to island underground water desalinate detection and lenticular body develop benefit
With etc. have broad application prospects, the operating mechanism of fresh water coral reef fresh groundwater, structure is simple, operation be easy, system
Facilitate, economical rationality, application easy to spread.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of coral skerries underground water desalinates Experimental mimic system characterized by comprising dewatering device, media filler area,
Liquid fill area and desalination detection device；
The media filler area is arranged in the liquid fill area, and the media filler area and the liquid fill area are coaxial；
It is provided with medium in the media filler area, mixed solution, the top of the medium are provided in the liquid fill area
Concordant with the liquid level of the mixed solution, the mixed solution is mixed by sodium chloride solution and thickener；
The top in the media filler area is arranged in the dewatering device, and the water outlet of the dewatering device is directed at the medium and fills out
Fill the top in area；
The desalination detection device can be inserted into the media filler area.
2. coral skerries underground water according to claim 1 desalinates Experimental mimic system, which is characterized in that the precipitation dress
Set includes: water inlet pipe, flowmeter and shower；
The shower is arranged in the water outlet of the water inlet pipe, and the shower is directed at the top in the media filler area；
The flowmeter is arranged on the water inlet pipe.
3. coral skerries underground water according to claim 1 desalinates Experimental mimic system, which is characterized in that the medium is filled out
Filling area includes: the first filling cylinder；
The bottom of first filling cylinder is provided with bottom plate, and first filling cylinder is arranged in the liquid fill area,
The medium is arranged in first filling cylinder；
Uniform intervals offer several permeable holes on the barrel of first filling cylinder.
4. coral skerries underground water according to claim 3 desalinates Experimental mimic system, which is characterized in that described first fills out
Fill cylinder further include: dash side edge；
The dash side is coaxially disposed along with first filling cylinder；
The top of first filling cylinder is arranged in the bottom on the dash side edge；
The base diameter on the dash side edge is less than the top diameter on the dash side edge.
5. coral skerries underground water according to claim 4 desalinates Experimental mimic system, it is characterised in that:
The shape on the dash side edge is round table-like.
6. coral skerries underground water according to claim 1 desalinates Experimental mimic system, which is characterized in that the liquid is filled out
Filling area includes: the second filling cylinder；
The bottom of second filling cylinder is provided with baffle；
The mixed solution is arranged in second filling cylinder.
7. coral skerries underground water according to claim 1 desalinates Experimental mimic system, which is characterized in that the desalination inspection
Surveying device includes: salinometer and long small needle tube；
The sampling end of the long small needle tube can be inserted into the media filler area；
The sampling end of the long small needle tube is removably connect with the salinometer.
8. a kind of coral skerries underground water desalinates test simulation method, light based on coral skerries underground water described in claim 1
Change Experimental mimic system, which is characterized in that coral skerries underground water desalination test simulation method the following steps are included:
The media filler area is co-axially located in liquid fill area；
By filled media in the media filler area, mixed solution will be filled in the liquid fill area, until the medium
Top is concordant with the liquid level of the mixed solution；
Media filler area is sprayed by default precipitation by dewatering device；
After the fresh water of dewatering device sprinkling penetrates into medium, desalination detection device is inserted into the media filler area and is taken
Sample；
The desalination detection device is measured the salinity of sampling liquid, specifies boundary and the changeover portion of fresh water.
9. coral skerries underground water according to claim 8 desalinates test simulation method, which is characterized in that described by medium
Filled media includes: in fill area
The dielectric stratifying is filled in the media filler area, the layer-by-layer densification of the medium is tamped, the medium is connect
Nearly ideal homogeneous porous medium.
10. coral skerries underground water according to claim 8 desalinates test simulation method, which is characterized in that it is described will be light
Change to be sampled in the detection device insertion media filler area and includes:
Using the top of media surface as benchmark face, the depth direction along the media filler area equidistantly sets gradually sampling
Face；
Sample point is set on sampling face；
The desalination detection device is inserted into the medium, is sampled at the sample point, and record position coordinate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116068147A (en) * | 2023-03-06 | 2023-05-05 | 广州海洋地质调查局三亚南海地质研究所 | Island reef underground fresh water boundary change research is with analogue means |
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