CN206223767U - Three-dimensional visible analogue means of the pollutant in the heterogeneous Migration In Aquifer conversion of saturation in a kind of simulation underground environment - Google Patents
Three-dimensional visible analogue means of the pollutant in the heterogeneous Migration In Aquifer conversion of saturation in a kind of simulation underground environment Download PDFInfo
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- CN206223767U CN206223767U CN201621037180.1U CN201621037180U CN206223767U CN 206223767 U CN206223767 U CN 206223767U CN 201621037180 U CN201621037180 U CN 201621037180U CN 206223767 U CN206223767 U CN 206223767U
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Abstract
Three-dimensional visible analogue means of the pollutant in the heterogeneous Migration In Aquifer conversion of saturation in a kind of simulation underground environment.Including the water supply installation, analogue means and the water-storing device that are sequentially connected, the analogue means is a square cell body with upper lid, space in cell body is divided into pond, water-bearing layer and discharge bay by two stainless steel cloth devices in cell body, the water supply installation is connected with pond is entered, the water-storing device is connected with discharge bay, and cell body is located on the side wall in water-bearing layer region and is equipped with one group of sampling apparatus on upper lid.The device simulates the heterogeneous water-bearing layer in underground by designing different types of filled media, the conditions such as the different flowing water of underground reservoir are set, the rational sampling method of design science, while the pollutant and tracer isoconcentration of continuous monitoring difference water level, distribution and conversion of the analysis target contaminant in different time, space, it is adaptable to which three dimension scale studies Transport And Transformation of the pollutant in the heterogeneous water-bearing layer environment of underground saturation.
Description
Technical field
The utility model is related to soil and groundwater pollution amelioration field, and in particular to polluted in one kind simulation underground environment
Three-dimensional visible analogue means of the thing in the heterogeneous Migration In Aquifer conversion of saturation.
Background technology
Soil and groundwater is safeguarding China's economic society sound development and ecological environment etc. as important natural resources
Aspect has played important function.However, with the fast development of economic society, soil and groundwater pollution is but on the rise.It is right
Migratory behaviour of the pollutant in underground environment is be unable to do without in the pollution amelioration of soil and groundwater to be studied with transformation rule, it is theoretical
On the spatial and temporal distributions and hydrogeologic condition of pollutant concentration can be obtained by setting up field large-scale experiment, with reference to numerical model
Simulation and forecast contamination characteristics and rule is repaired, but the features such as there is complex operation, high cost in the intensive sampling of field in-situ test,
It is difficult to carry out.Therefore, can be ground come simulating pollution thing Transport by the feasible groundwater environment experimental rig of the science of building
Lower water prevention and cure of pollution work provides technological guidance.
It is a three-dimensional, the system of hydrologic condition complexity for groundwater environment, interior is in groundwater environment at present
The migratory behaviour research of pollutant is limited primarily to one-dimensional column test or two-dimensional flume analogue means, and non-equal in underground environment
The research of matter water-bearing layer influence contaminant transportation rule is relatively fewer, so that it is difficult to truly reflect field hydrogeology situation.
The macroscopic heterogeneity in water-bearing layer have impact on the migration of pollutant, and macroscopic heterogeneity stratum is usual by permeable band high and low permeable
Band closely staggeredly so that pollutant in permeable band based on convection current, low permeable band with molecule diffusion based on, when permeable band high
When pollutant concentration is less than low permeable band concentration, pollutant will return to permeable band high by spreading, therefore, in this kind of system
It is more long the time required to depollution thing.The three dimension scale migratory behaviour of pollutant is particularly urgent in analog study such system, and this will
Can be that recovery technique selection and conceptual design are provided for soil and groundwater pollution amelioration provides parameter guidance in underground environment
Theory support.Additionally, the sampling method (such as sampling frequency, sample volume and sample rate) of target contaminant is right in analogue means
Flowing water influence in water-bearing layer is very big, and rational sampling method is most important for the accuracy simulated.And existing apparatus
Mostly the material such as lucite and PVC, because of pollutants such as its composition lipids containing phthalandione, leads to not carry out grinding for partial organic substances
Study carefully, the type material may contain poisonous additive and plasticizer, it is aging after easily cause environmental pollution and harm experimenter's health.
Therefore need to select a kind of large scale analogue means to be used to simulate subsurface three-dimensional hydrological environment, and by setting pollutant dispensing side
The conditions such as formula, Filled Dielectrics device, sampler, pollutant testing apparatus, sample volume and sample rate of appropriate design etc.
Parameter so that the utility model can the migration of pollutant and Study on Transformation in three dimension scale simulation saturation heterogeneous water-bearing layer.
Utility model content
The technical problem of solution：The utility model purpose is for above-mentioned Shortcomings, there is provided one kind simulation underground ring
Three-dimensional visible analogue means of the pollutant in the heterogeneous Migration In Aquifer conversion of saturation in border.The device is by designing inhomogeneity
The filled media of type sets the conditions, design science such as the different flowing water of underground reservoir to simulate the heterogeneous water-bearing layer in underground
Rational sampling method, while the pollutant and tracer isoconcentration of continuous monitoring difference water level, analysis target contaminant is not
Same time, the distribution in space and conversion, it is adaptable to which three dimension scale studies pollutant in the heterogeneous water-bearing layer environment of underground saturation
Transport And Transformation.
Technical scheme：Pollutant can in the three-dimensional of the heterogeneous Migration In Aquifer conversion of saturation in a kind of simulation underground environment
Depending on analogue means, including water supply installation, analogue means and the water-storing device being sequentially connected, the analogue means is one with upper
Space in cell body is divided into pond, water-bearing layer and gone out by two stainless steel cloth devices in the square cell body of lid, cell body
Pond, the water supply installation is connected with pond is entered, and the water-storing device is connected with discharge bay, and cell body is located at water-bearing layer region
One group of thieff hatch is equipped with the wall of side and on upper lid, sampling apparatus is provided with thieff hatch.
The water supply installation is connected by the peristaltic pump with flowmeter with pond pipeline is entered.
The discharge bay is provided with three outlet pipes, the outlet pipe after four-way pipe imports a total outlet pipe with retaining
Device is connected, and the total outlet pipe is provided with two-port valve and sampling valve.
Dividing plate is provided with the water-storing device, the dividing plate is used for fix-head.
The sampling apparatus is the 19-gauge stainless steel sampling probes with female Luer, and one end of sampling probe is by cell body side
Wall or upper lid are inserted perpendicularly into water-bearing layer, and the other end is connected with the check valve with female Luer, and the external tapping of check valve is provided with Shandong
That syringe.
The stainless steel cloth device is constituted by being wrapped up in outside stainless steel pipe support, stainless steel cloth and stainless steel pipe support, stainless steel
Wrapped up in outside pipe support and be fixed on stainless steel pipe support, wrapped outside the stainless steel pipe support and be provided with groove, in stainless steel cloth insertion groove,
And can be slided in groove.
In go-cart, go-cart bottom is provided with deflecting roller to the analogue means, and each deflecting roller is equipped with brake apparatus.
The upper lid is the poly (methyl methacrylate) plate of thickness 10mm, and glass plate is provided with the hole that aperture is 3mm, and longitudinal pitch of holes is
10cm, horizontal pitch of holes is 15cm.
The a length of 120cm of water-bearing layer analogue means, a width of 60cm, a height of 85cm.
The sampling apparatus depth is spaced the distribution that is centrosymmetric, wherein shallow sampling is on two relative side walls, from
Above lower to be arranged by often row number 2-3-4-3-2, deep sampling is located on single side wall, from top to bottom by often row number 4-5-4 cloth
Put.
Beneficial effect：1. the utility model device can according to the hydrological geological conditions in field study area, at utmost by than
Example carries out indoor physical simulating device, in view of the complex situations of groundwater environment, the three-dimensional simulation device can more be accurately reflected
The actual hydrogeologic condition in field, disclosure satisfy that the multidimensional migration demand of pollutant in underground water pollution reparation, have more research
Actual representativeness and specific aim.2. water-bearing layer device is combined using the sampling of cell body top and the sampling of side wall in the experimental provision
Mode, on the one hand avoid influenceing the firm of device because Side wall drill hole is excessive, the security of device is increased, while reducing
Side wall drill hole and the cost of installation sample cock, top sampling set the efficiency for also improving sampling.3. by laying certain hole
The sampling probe in footpath, suitable sample rate and sampling frequency are set, more scientifically pollutant is moved in simulated groundwater environment
Move rule.4. the cell body material of water-bearing layer device is non-safety glass in the experimental provision, and it has water-wetted surface, it is to avoid preferential
The generation of stream, in addition to the adaptability scope expansion of pollutant, can cover the analog study of all categories organic pollution.⑤
In the experimental provision, by setting the bottom device of storage water-bearing layer cell body and dismountable bracing means of cell body surrounding, make
Obtaining the experimental provision has more preferable mobility and steadiness.6. in the experimental provision, that is fixed in the cell body of water-bearing layer is stainless
Steel wire separation screen device, can according to analog study difference filled media the need for, change the stainless steel cloth in required aperture,
So that the selection of packed layer is more flexible and convenient.7. flexibly, detection data is accurate, being capable of very great Cheng for the utility model structure design
The cost of contaminant transportation and conversion simulation is reduced on degree, the operating efficiency of analog study is improved, is with a wide range of applications.
Brief description of the drawings
Fig. 1 is the structural representation of the analogue means；
Fig. 2 is separation screen device schematic diagram in the analogue means；
Fig. 3 is cell body stabilizing bracket structure schematic diagram in the analogue means；
Fig. 4 is movement analogue means bracket groove body sidewall sampler schematic diagram (vertical view).
Water supply installation 1, analogue means 2, water-storing device 3, stainless steel cloth device 4, enter pond 5, water-bearing layer 6, discharge bay
7th, upper lid thieff hatch 8, peristaltic pump 9, outlet pipe 10, four-way pipe 11, two-port valve 12, sampling valve 13, dividing plate 14, side wall thieff hatch
15th, 18, go-cart 19, deflecting roller 20, brake apparatus 21, screw are wrapped up in outside stainless steel pipe support 16, stainless steel cloth 17, stainless steel pipe support
22nd, screw rod 23, stainless steel framework 24, the 19-gauge stainless steels sampling probe 25, check valve 26, jacketed syringe with female Luer
27。
Specific embodiment
Following examples only to illustrate technology design of the present utility model and feature, technique are familiar with its object is to allow
People be that will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent transformations done according to the utility model Spirit Essence or modification, should all cover protection domain of the present utility model it
It is interior.
Embodiment 1
Pollutant simulates dress in the three-dimensional visible of the heterogeneous Migration In Aquifer conversion of saturation in a kind of simulation underground environment
Put, including water supply installation 1, analogue means 2 and the water-storing device 3 being sequentially connected, the analogue means 2 is one with upper lid
Space in cell body is divided into pond 5, water-bearing layer 6 and water outlet by two stainless steel cloth devices 4 in square cell body, cell body
Pond 7, the water supply installation 1 is connected with pond 5 is entered, and the water-storing device 3 is connected with discharge bay 7, and cell body is located at intake area
One group of thieff hatch is equipped with the side wall in domain and on upper lid, sampling apparatus is provided with thieff hatch.
The water supply installation is connected by the peristaltic pump 9 with flowmeter with pond pipeline is entered.
The discharge bay is provided with three outlet pipes 10, the outlet pipe after four-way pipe 11 imports a total outlet pipe with
Water-storing device 3 is connected, and the total outlet pipe is provided with two-port valve 12 and sampling valve 13.
Dividing plate 14 is provided with the water-storing device, the dividing plate is used for fix-head.
The sampling apparatus is the 19-gauge stainless steels sampling probe 25 with female Luer, and one end of sampling probe is by cell body
Side wall or upper lid are inserted perpendicularly into water-bearing layer, and the other end is connected with the check valve 26 with female Luer, and the external tapping of check valve sets
There is jacketed syringe 27.
The stainless steel cloth device 4 is constituted by wrapping up in 18 outside stainless steel pipe support 16, stainless steel cloth 17 and stainless steel pipe support,
Wrap up in 18 outside stainless steel pipe support to be fixed on stainless steel pipe support 16, wrapping up in 18 outside the stainless steel pipe support is provided with groove, stainless steel wire
In the insertion groove of net 17, and can be slided in groove.
In go-cart 19, go-cart bottom is provided with deflecting roller 20 to the analogue means, and each deflecting roller is equipped with braking dress
Put 21.
The upper lid is the poly (methyl methacrylate) plate of thickness 10mm, and glass plate is provided with the hole that aperture is 3mm, and longitudinal pitch of holes is
10cm, horizontal pitch of holes is 15cm.
The a length of 120cm of water-bearing layer analogue means, a width of 60cm, a height of 85cm.
The sampling apparatus depth is spaced the distribution that is centrosymmetric, wherein shallow sampling is on two relative side walls, from
Above lower to be arranged by often row number 2-3-4-3-2, deep sampling is located on single side wall, from top to bottom by often row number 4-5-4 cloth
Put.
Embodiment 2
Pollutant simulates dress in the three-dimensional visible of the heterogeneous Migration In Aquifer conversion of saturation in a kind of simulation underground environment
Put and its sampling method, including water supply installation 1, analogue means 2 and water-storing device 3.As shown in figure 1, the mobile analogue means
Main body be top with lid square cell body, by store artificial ground water water supply installation 1 be placed on platform, by peristaltic pump
9 pump into pond 5 fluid, and correct wriggling flow rate pump using flowmeter.Discharge bay end passes through polytetrafluoroethylene (PTFE) BULKHEAD UNION
Outlet pipe is connected with discharge bay 7, three outlet pipes 10 import a water pipe by four-way pipe 11, outlet pipe is connected to two-port valve 12
With sampling valve 13.Finally access in water-storing device 3, water-storing device and fix-head, retaining are separated for use in by dividing plate 14 in water side
Device 3 is placed on draw-in groove support with freely-adjustable height.Cell body is formed using the thick non-tempering glass processings of 12mm, in non-steel
Change glass plate outside to be reinforced by stainless angle steel, and be fixed in bottom removable carts 19, reinforcing mode is specifically shown in figure
3, cell body surrounding is wrapped by the frame of stainless steel framework 24, and the stainless steel frame of cell body both sides is thickness 3mm, the stainless angle of width 40mm
Steel is made, and the following of the body side frame of cell body two is drilled with 3 diameter 10mm holes respectively, and the bottom of go-cart 19 is fixed on by screw 22,
The corner location of the framework has diameter 20mm holes respectively, in cell body and frame rack filling 5mm thickness cushions, then by 4
Screw rod 23 is by the framework banding of cell body both sides.Equally, 5mm bufferings are filled between angle steel and glass respectively at cell body bottom two ends
, be fixed on angle steel in the go-cart 19 of cell body bottom by screw 22 then by thing.The go-cart material of slot device bottom is stainless
Steel, bottom equipped with can load-bearing deflecting roller 20, each wheel is equipped with brake apparatus 21.Wherein stainless steel cloth device such as Fig. 2,
Constituted by wrapping up in 18 outside stainless steel pipe support 16, stainless steel cloth 17 and stainless steel frame, the nearly water-bearing layer side of stainless steel pipe support is equidistant
24 holes are drilled with, stainless steel cloth are covered in stainless steel pipe support, then will wrapped up in outside stainless steel pipe support and be stuck on stainless steel pipe support,
Combined by screw and fixed, finally the device is fitted into tank, and the place use with glass contact will be wrapped up in outside stainless steel pipe support
Glass cement bonding is fixed, and is wrapped end outside stainless steel pipe support and is left open slot, and being easy to water-bearing layer to fill different medium needs to carry out more
Change the stainless steel cloth of different pore size.To simulate the anisotropism of the saturated aqueous layer in underground, macroscopic heterogeneity common schema is
The location of low permeable band band location permeable with height mutually closely interlocks.Can point two-layer fill low osmotic medium and Thief zone respectively and be situated between
Matter, every layer of thickness of medium is 40cm, while analyzing pollutant in the dense of different spaces by installing the sampling probe of different length
Degree, mass transport coefficient of the research pollutant between different infiltration coefficient media, final research pollutant is heterogeneous in saturation
The Transport in water-bearing layer.For sample collection mode of the present utility model, if only with Side wall drill hole sampling mode, need to be in side
Wall drills 41, wherein needing to install 13 pieces of 30cm sampling probes, 28 pieces of 15cm sampling probes.If only with top vertical sampling, nothing
Method meets the sample of the same vertical different depth of collection.Therefore, water-bearing layer sampling apparatus is divided into, side wall sets sampling and top sets
Sampling is put, side wall sampling apparatus is shown in Fig. 4 (top view), by the 19-gauge stainless steels sampling probe 25 with female Luer by side wall
Be inserted perpendicularly into water-bearing layer, and be fixed by glass cement, the outer end of stainless pin with female Luer polytetrafluoroethylene (PTFE)
Check valve 26 is connected, and keeps valve to be closed usually.When intervals collection sample is carried out, check valve is rotated
To opening state, the interface for then inserting check valve by jacketed syringe 27 carries out sample collection, primary sample about 2~4mL,
And certain sample rate is set according to filling anaerobic condition.Thick 10mm poly (methyl methacrylate) plates, glass twist drill are covered with the top of cell body
There is the hole that aperture is 3mm, longitudinal pitch of holes is 10cm, and horizontal pitch of holes is 15cm.In the embodiment, water-bearing layer analogue means is long
It is 120cm, a width of 60cm, a height of 85cm.The sampling apparatus depth is spaced the distribution that is centrosymmetric, wherein shallow sampling is located at phase
To two side walls on, arranged by often row number 2-3-4-3-2 from top to bottom, deep sampling on single side wall, from top to bottom
Arranged by often row number 4-5-4.
The water body sample rate (by taking hydraulic gradient I=0.005 as an example) of different filled medias in table 1 utility model
The analogue means, can be by setting in order to meet the demand of the pollutants such as organic matter migratory behaviour in groundwater environment
Count the Transport of different filled medias and thickness with simulating pollution thing in heterogeneous water-bearing layer.
Operation principle of the present utility model：
The present apparatus can be according to the actual hydrogeology on field stratum, and scaled down is simulating field Different Strata.When grinding
Study carefully the migratory behaviour during pollution of area source of target contaminant, can by by pollutant dilution to underground water by the continuous pump of peristaltic pump
Enter cell body, target contaminant can be also positioned in water-bearing layer as point-source pollution research.Institute is changed according to filled media particle diameter
The stainless steel cloth in aperture is needed, the analysis method according to pollutant determines pollutant sampling volume, according to the infiltration of filled media
Coefficient and hydraulic gradient set sample rate.By the pollutant and tracer isoconcentration of continuous monitoring difference water level simultaneously, point
Distribution and conversion of the analysis target contaminant in different time, space, it is adaptable to which three dimension scale studies pollutant in underground environment
Transport And Transformation.
The analogue means concrete operation step includes herein below：
(1) seal of analogue means and steadiness are tested
Seal and the steadiness test of analogue means are carried out in three steps, and are 1. installing sampling probe and separation screen device first
Before, by the drilling of silicone glass cement seal glass cell body, by after the solidification of 24h colloids, cell body storage full water test glass plate is connected
Place and the sealing effectiveness of drilling, and ensure without infiltration and borehole sealing is functional；2. secondly by sampling probe and BULKHEAD UNION point
Not An Zhuan groove body sidewall and cell body two ends, and by glass cement bind fix, then tank water filling test sampling probe and threading
Whether street corner has leakage scenarios；3. ensure above two steps without phenomenon of osmosis, two ends are respectively mounted separation screen device on the inside of tank,
And store the sealing effectiveness of full water check device.
(2) heterogeneous anaerobic condition is filled
Water-bearing layer can be by filling quartz sand or field soil, the medium mould of the different infiltration coefficients of layering filling in the present apparatus
Intend the anisotropism of underground reservoir, wherein quartz sand need to soak some respectively through certain density nitric acid and NaOH etc.
Time, net, final high temperature drying is then washed with deionized water；And field soil is then needed by drying, pulverizing and sieve
Step so that the particle diameter of anaerobic condition is about 0.1~0.8mm.Underground is simulated by the medium for filling different infiltration coefficients non-
Homogeneous aquifer environment, the infiltration coefficient of anaerobic condition is between 2 × 10-5~6 × 10-1Cm/s, the infiltration in Thief zone water-bearing layer
Coefficient is higher than 10 times of low-permeability water-bearing layer.Filling anaerobic condition selection wet method filling mode, to ensure that water-bearing layer is in all the time
Water-saturated state, it is to avoid the air residual in water-bearing layer.Specific filling process is to remain the Free water higher than water-bearing layer 5cm
Face, then uniformly lays water-bearing layer by beaker, to keep the firm of filter, fills diameter simultaneously in pond and discharge bay is entered
The cobblestone of 2~4cm, and cause that the packed height of cobblestone is consistent with the packed height in water-bearing layer.
(3) target contaminant and tracer are added
Prepare manual simulation's underground water mineral nutrition salting liquid, a great number of elements (FeSO in simulated groundwater4、MgSO4、
NH4Cl、Na2HPO4) and trace element (MnCl2、CoCl2、CaSO4、ZnSO4Deng), pollutant and tracer can be dissolved in ground
In the lower aqueous solution, then according to measure AQUIFER HYDRAULIC value setting groundwater velocity, and target will be contained by peristaltic pump
The underground aqueous solution of pollutant and tracer is continuously pumped into cell body and enters pond.
(4) pollutant sampling method
After the operating of device normal table, to obtain time, the space distribution situation of target contaminant and tracer, need to press
Sample volume and sampling frequency are configured according to target contaminant analysis method and groundwater velocity size etc., it is right to reduce sampling
The influence of aqueous lamellar field, sample rate must not exceed the 5% of cell body water velocity, and the sample rate of the present apparatus is in 1~2mL/
Min, on the premise of ensureing that enough samples are used for quantitative chemical analysis, the single sample volume of each thief hole is in 2~4mL.
(5) water-bearing layer is periodically disinfected
To suppress the growth of microorganism in water-bearing layer, a certain amount of formaldehyde is mixed in cushioning liquid, and by peristaltic pump
Periodically carry out washing away water-bearing layer, it is to avoid microbial reproduction metabolism causes permeability of aquifer and contaminant transportation and conversion behavior
Interference.
Claims (10)
1. the three-dimensional visible analogue means that pollutant is converted in the heterogeneous Migration In Aquifer of saturation in a kind of simulation underground environment,
It is characterized in that including the water supply installation (1), analogue means (2) and the water-storing device (3) that are sequentially connected, the analogue means (2)
Be a square cell body with upper lid, in cell body by two stainless steel cloth devices (4) by space in cell body be divided into
Pond (5), water-bearing layer (6) and discharge bay (7), the water supply installation (1) are connected with pond (5) is entered, the water-storing device (3) with
Discharge bay (7) is connected, and cell body is located on the side wall in water-bearing layer region and is equipped with one group of thieff hatch on upper lid, in thieff hatch
It is provided with sampling apparatus.
2. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that the water supply installation by the peristaltic pump (9) with flowmeter with enter pond pipeline
Connection.
3. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that the discharge bay is provided with three outlet pipes (10), the outlet pipe passes through four-way pipe
(11) it is connected with water-storing device (3) after importing a total outlet pipe, the total outlet pipe is provided with two-port valve (12) and sampling valve
(13)。
4. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that dividing plate (14) is provided with the water-storing device, the dividing plate is used for fix-head.
5. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that the sampling apparatus is the 19-gauge stainless steel sampling probes with female Luer
(25), one end of sampling probe is inserted perpendicularly into water-bearing layer, the other end and the check valve with female Luer by groove body sidewall or upper lid
(26) connect, the external tapping of check valve is provided with jacketed syringe (27)
6. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that the stainless steel cloth device (4) is by stainless steel pipe support (16), stainless steel cloth
(17) and outside stainless steel pipe support wrap up in (18) composition, (18) are wrapped up in outside stainless steel pipe support and are fixed on stainless steel pipe support (16), it is described not
(18) are wrapped up in outside rust steel pipe frame and is provided with groove, in stainless steel cloth (17) insertion groove, and can slided in groove.
7. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that in go-cart (19), go-cart bottom is provided with deflecting roller (20) to the analogue means,
Each deflecting roller is equipped with brake apparatus (21).
8. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that the upper lid is the poly (methyl methacrylate) plate of thickness 10mm, glass plate is provided with aperture for 3mm
Hole, longitudinal pitch of holes be 10cm, horizontal pitch of holes be 15cm.
9. according to claim 1 it is a kind of simulate underground environment in pollutant in the conversion of saturation heterogeneous Migration In Aquifer
Three-dimensional visible analogue means, it is characterised in that a length of 120cm of analogue means, a width of 60cm, a height of 85cm.
10. pollutant is converted in the heterogeneous Migration In Aquifer of saturation in a kind of simulation underground environment according to claim 1
Three-dimensional visible analogue means, it is characterised in that sampling apparatus depth interval is centrosymmetric distribution, wherein shallow sampling sets
In on two relative side walls, arranged by often row number 2-3-4-3-2 from top to bottom, deep sampling on single side wall, from upper
And it is lower by often row number 4-5-4 arrangements.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106370804A (en) * | 2016-09-05 | 2017-02-01 | 中国科学院南京土壤研究所 | Three-dimensional visible simulation device for simulating migration and transformation of pollutants in porous media in underground environment |
| CN107389863A (en) * | 2017-07-17 | 2017-11-24 | 中国科学院南京土壤研究所 | The experimental provision and method of saturated aqueous layer chlorinated hydrocarbon DNAPL pollution sources are repaired based on Zero-valent Iron PRB reduction |
| CN109709015A (en) * | 2018-12-25 | 2019-05-03 | 河海大学 | It is a kind of can the preferential flow phenomenon of quantitative description kinematic infiltration method |
| CN112946226A (en) * | 2021-04-02 | 2021-06-11 | 墣锦环境工程（海南）有限公司 | Three-dimensional visual simulation method for soil and underground water pollution |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106370804A (en) * | 2016-09-05 | 2017-02-01 | 中国科学院南京土壤研究所 | Three-dimensional visible simulation device for simulating migration and transformation of pollutants in porous media in underground environment |
| CN106370804B (en) * | 2016-09-05 | 2019-05-28 | 中国科学院南京土壤研究所 | A kind of sampling method of the three-dimensional visible simulator of contaminant transportation conversion |
| CN107389863A (en) * | 2017-07-17 | 2017-11-24 | 中国科学院南京土壤研究所 | The experimental provision and method of saturated aqueous layer chlorinated hydrocarbon DNAPL pollution sources are repaired based on Zero-valent Iron PRB reduction |
| CN107389863B (en) * | 2017-07-17 | 2023-11-07 | 中国科学院南京土壤研究所 | Experimental device and method for restoring chlorinated hydrocarbon DNAPL pollution source of saturated aquifer based on zero-valent iron-PRB reduction |
| CN109709015A (en) * | 2018-12-25 | 2019-05-03 | 河海大学 | It is a kind of can the preferential flow phenomenon of quantitative description kinematic infiltration method |
| CN109709015B (en) * | 2018-12-25 | 2021-03-02 | 河海大学 | Motion wave infiltration method capable of quantitatively describing preferential flow phenomenon |
| CN112946226A (en) * | 2021-04-02 | 2021-06-11 | 墣锦环境工程（海南）有限公司 | Three-dimensional visual simulation method for soil and underground water pollution |
| CN112946226B (en) * | 2021-04-02 | 2022-11-11 | 墣锦环境工程（海南）有限公司 | Three-dimensional visual simulation method for soil and underground water pollution |
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