CN109297870A - A kind of device and its analogy method for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions - Google Patents
A kind of device and its analogy method for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions Download PDFInfo
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- CN109297870A CN109297870A CN201811427591.5A CN201811427591A CN109297870A CN 109297870 A CN109297870 A CN 109297870A CN 201811427591 A CN201811427591 A CN 201811427591A CN 109297870 A CN109297870 A CN 109297870A
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- 239000000356 contaminant Substances 0.000 title claims abstract description 59
- 239000002689 soil Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 239000007921 spray Substances 0.000 claims abstract description 95
- 238000002474 experimental method Methods 0.000 claims abstract description 35
- 239000000706 filtrate Substances 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000013461 design Methods 0.000 claims abstract description 5
- 239000003344 environmental pollutant Substances 0.000 claims description 22
- 231100000719 pollutant Toxicity 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 17
- 238000004088 simulation Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 238000005325 percolation Methods 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000005527 soil sampling Methods 0.000 claims description 5
- 230000010148 water-pollination Effects 0.000 claims description 5
- 230000005012 migration Effects 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 35
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000001925 catabolic effect Effects 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of devices for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions, belong to field of environment protection, including spray water system, contaminant transportation test column, filtrate collection system, Multi-layer supporting platform；Whole device is placed on Multi-layer supporting platform, water tank passes through metering pump with lower part spray water tank between the two and is connected with rubber hose at the top of spray water system, contaminant transportation experiment column upper and lower ends are opening design, are connected through a screw thread device and are fixedly connected respectively with the cylindrical filter arrangement of spray water tank and filtrate collection system；Spraying water system includes top water tank and lower part spray water tank, and spray water tank bottom is equipped with board-like spray head.The invention also discloses the analogy methods of above-mentioned apparatus.The present apparatus can operate indoors, and the simulated rainfall period is much smaller than the natural precipitation period, data needed for can obtaining experiment within a short period of time.
Description
Technical field
The present invention relates to a kind of experimental simulation devices of contaminant transportation rule, belong to field of environment protection, and in particular to
A kind of device and its analogy method for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions.
Background technique
Remaining pollutant can permeate the ground in water under rainwash effect in soil, can not only make ecological environment by
It to pollution, can also jeopardize the healthy and safe of the mankind, therefore, probe into the migration rule of pollutant in different rainfall intensity Soil Under Conditions
Rule, can provide strong scientific basis for the improvement of pollutant catabolic gene and ecological environment.It is carrying out simulating different rainfall intensity items
Under part in the experimentation of soil pollutant Transport, required data are tested in order to obtain rapidly within the set time, are led to
It often needs to simulate different rainfall intensity conditions using artificially-simulated rainfall device.
But there is also many disadvantages for existing some experimental provisions, such as: can not simulate different rainfall intensity conditions well
The Transport of lower pollutant in soil；Soil sampling cannot be accurately layered and take gap water sample, experimental error is larger；It is unable to satisfy
Rainfall Homogeneity, the disadvantages of different rainfall intensities can not be simulated.
Summary of the invention
The object of the invention is that overcoming drawbacks described above, develop a kind of for simulating different rainfall intensity Soil Under Conditions
The device and its analogy method of middle contaminant transportation rule, the water flow for being pumped into spray water tank by adjusting metering pump adjusting,
The opening and closing of the board-like spray head in spray water tank bottom and the overcurrent of board-like spray head are controlled by adjusting spray head control valve
Speed, and then achieve the purpose that the different rainfall intensities of simulation, soil is taken by testing layering at column different height in contaminant transportation
Sample, gap water sample and cylindrical filter arrangement collect filtrate, and under the conditions of further determining that different rainfall intensities, pollutant is covered upper
Water, soil, Spatio-temporal Distribution and response mechanism in Interstitial Water.
To achieve the above object, contaminant transportation rule in a kind of different rainfall intensity Soil Under Conditions of simulation of the invention
Device, be mainly characterized by including spray water system, contaminant transportation test column, filtrate collection system, hose
Attachment device, screw connection, Multi-layer supporting platform, the spray water system is by top water tank and lower part shower water
Case forms, and is connected by metering pump with rubber hose between upper and lower two parts, is respectively placed in Multi-layer supporting platform topsides and middle layer,
The spray water tank bottom is equipped with the round board-like spray head of stainless steel supercharging air formula, and bottom sides are equipped with control valve, spray
The density of head setting is 15 mesh, and nozzle uses material for environmentally friendly ABS resin, can control board-like spray head by adjusting control valve door
Overcurrent speed, the contaminant transportation experiment column are placed on the downside of Multi-layer supporting platform middle layer, and top is threadedly coupled dress by first
It sets and is fixedly connected with spray water tank, bottom is fixedly connected by the second screw connection with cylindrical filter arrangement, the filtrate
Collection system is made of cylindrical filter arrangement and replaceable filtrate collection, is placed on the downside of Multi-layer supporting platform bottom.
Preferably, the spray water system includes water tank and spray water tank, pass through metering pump between two parts
It is connected with rubber hose, by metering pump from being pumped out in inflow spray water tank in water tank, spray water tank bottom is equipped with liquid
Board-like spray head, and control valve is installed, the water flow being pumped into spray water tank is adjusted by adjusting the adjusting handle of metering pump
Amount passes through opening and closing and the plate for controlling the control valve on the right side of board-like spray head to realize the board-like spray head in spray water tank bottom
The overcurrent speed of formula spray head, and then achieve the purpose that the different rainfall intensities of simulation.
Preferably, vertical every 5 cm of spacing is evenly distributed with pillar sample tap on the left of the contaminant transportation experiment column,
Pillar sample tap is used for soil sampling, and vertical every 2 cm of spacing in right side is evenly distributed with tubular type sample tap, and tubular type sample tap is for taking
Gap water sample, contaminant transportation experiment column are opening design up and down, are fixed with a circular screen orifice plate at outlet at bottom, described
The radius of circular screen orifice plate is 25cm, and with a thickness of 1cm, bottom connects by the way that the second screw connection and cylindrical filter arrangement are fixed
It connects, contaminant transportation tests column wall and is equipped with helicitic texture, can effectively prevent short flow phenomenon.
Preferably, the filtrate collection system is that cylindrical filter arrangement and replaceable filtrate collection form, cylindricality mistake
It tests column bottom with contaminant transportation by the first screw connection at the top of filter device to be fixedly connected, for hydrophilic contact scar
Object, filled polypropylene filler in cylindrical filter arrangement, the voidage of filling are 1:8, for hydrophobic contaminant, cylindrical filter dress
Filled with inertia high aluminium ball in setting, the voidage of filling is 1:9, and cylindrical filter arrangement bottom is equipped with liquid valve door and replaceable filter
Collection is connected, and the volume of each replaceable filtrate collection is 500 mL.
A method of simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions, it is characterised in that: use
A kind of device for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions as described in claim 1, including
Following steps:
The first step fills filler into cylindrical filter arrangement: being directed to hydrophily pollutant, poly- third is filled into cylindrical filter arrangement
The voidage of alkene filler, filling is 1:8, for hydrophobic contaminant, inertia high aluminium ball is filled with into cylindrical filter arrangement, is filled out
The porosity filled is 1:9；
Second step, the soil sample that homogenizes needed for being packed into experiment: after the soil sample for being used to test is homogenized, uniform shakedown filling pollution
In object migration experiment column；
Third step is filled the water into water tank: water body needed for experiment is filled in the water tank on spray water system top；
4th step, the different rainfall intensity of manual simulation: starting metering pump is pumped out water body using metering pump from water tank
It flows into the spray water tank being located at below water tank, adjusts the water flow pumped out by adjusting the adjusting handle of metering pump,
By control spray water tank bottom sides control valve come control the board-like spray head in spray water tank bottom opening and closing and
The overcurrent speed of board-like spray head, and then realize the purpose for simulating different rainfall intensities；
5th step, the sampling and test of soil sample, gap water sample: the pillar sample tap layering vertical from contaminant transportation experiment column takes
Multiple groups soil sample, the tubular type sample tap layering vertical from contaminant transportation experiment column take multiple groups gap water sample, and all sampling operations are equal
It can be carried out in different time nodes, then detect and analyze concentration and content of the pollutant in soil sample and gap water sample；
Step 6: the sampling and test of deep percolation liquid: collecting the depth flowed out from cylindrical filter arrangement bottom with filtrate collection
Layer effusion, then detects and analyzes the concentration and content of pollutant in deep percolation liquid.
Advantages of the present invention and effect:
First, a kind of device for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions of the invention passes through adjusting
The adjusting handle of metering pump is pumped into the water flow of spray water tank to adjust, and is controlled by adjusting the control valve of spray water tank bottom
The opening and closing of the board-like spray head in spray water tank bottom processed and the overcurrent speed of board-like spray head, and then reach and simulate different drops
The purpose of raininess degree；
Second, contaminant transportation experiment column can be layered soil sampling and take gap water sample, and experiment column bottom is lined with sieve tray, sieve tray
Design be also convenient for while preventing soil loss experiment column in solution diafiltration；For hydrophilic/hydrophobic pollutant, column
It is separately filled with polypropylene filler/inertia high aluminium ball in shape filter device, greatly reduces in filtrate pollutant in infitration process
In lost as caused by suction-operated, be conducive to the accurate collection of pollutant in filtrate；
Second, the present apparatus can operate indoors, and the simulated rainfall period is much smaller than the natural precipitation period, can obtain within a short period of time
Data needed for testing, whole device are placed on Multi-layer supporting platform, and up-down structure is compact, clearly demarcated and easy to remove, easy to operate,
It is at low cost, and each environmental factor is such as: temperature, illumination are controllable, thus, it has good value for applications.
Detailed description of the invention
Attached drawing 1 --- structure of the invention schematic illustration.
The corresponding component names of each label are as follows in figure:
1 water tank, 2 inlet valves, 3 metering pumps, 4 hose connection devices, 5 flowing water Valves, 6 spray water tanks, 7 board-like spray heads, 8
Spray equipment control valve, 9 spray water systems, 10 first screw connections, 11 pillar sample taps, 12 tubular type sample taps,
13 contaminant transportations experiment column, 14 second screw connections, 15 cylindrical filter arrangements, 16 liquid valve doors, 17 filtrate collections,
18 Multi-layer supporting platforms, 19 universal wheels.
Specific embodiment
The present invention provides a kind of device for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions.Spray supplies
Water tank at the top of water system is connect by rubber hose and metering pump with lower section spray water tank, and liquid is by metering pump from water supply
It pumping out and is flowed into spray water tank in water tank, spray water tank bottom is equipped with board-like spray head, and is equipped with spray equipment control valve,
The water flow for being pumped into spray water tank is adjusted by adjusting the adjusting handle of metering pump, spray is controlled by adjusting the valve
The opening and closing of the board-like spray head of water tank bottom and the overcurrent speed of board-like spray head, and then reach the different rainfall intensities of simulation
Purpose is layered soil sampling, gap water sample and cylindrical filter arrangement collection filter by testing in contaminant transportation at column different height
Liquid, under the conditions of further determining that different rainfall intensities, Spatio-temporal Distribution of the pollutant in overlying water, soil, Interstitial Water
And response mechanism.
Further description is done to the present invention with reference to the accompanying drawing.
As shown in Figure 1, a kind of dress for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions of the invention
It sets, including spray water system 9, contaminant transportation experiment column 13, cylindrical filter arrangement 15, the first screw connection 10, the
Two screw connections 14, Multi-layer supporting platform 18.The spray water system 9 is polymethyl methacrylate material, by upper
Portion's water tank 1 and lower part spray water tank 6 form, and are connected between upper and lower two parts by metering pump 3 and rubber hose 4, respectively
It is placed on the upper layer and middle layer support platform of Multi-layer supporting platform 18, spray water tank 6 passes through the first screw connection 10 and dirt
Dye object migration experiment column 13 is fixedly connected, and inlet valve 2, flowing water Valve 5 is respectively set in 4 both ends of rubber hose.
Device when in use, liquid by metering pump 3 from pumped out in water tank 1 flow into spray water tank 6 in, spray water tank 6
Bottom is equipped with board-like spray head 7, and is equipped with spray equipment control valve 8, is adjusted by adjusting the adjusting handle of metering pump 3
It is pumped into the water flow of spray water tank 6, controls the board-like spray head 7 in 6 bottom of spray water tank by adjusting spray equipment control valve 8
Opening and closing and overcurrent speed, and then achieve the purpose that the different rainfall intensities of simulation.
In the present invention, the contaminant transportation experiment column 13 is polymethyl methacrylate material, is up and down opening
Design, 13 vertical every 5 cm of spacing in left side of contaminant transportation experiment column are evenly distributed with pillar sample tap 11, and right side is every vertical
It is evenly distributed with tubular type sample tap 12 away from 2 cm, by testing Stratified Sampling at 13 different height of column in contaminant transportation, into
Under the conditions of one step determines different rainfall intensities, spatial-temporal distribution characteristic and rule of the pollutant in overlying water, soil, Interstitial Water；
Contaminant transportation tests column 13 by the first screw connection 10 and the second screw connection 14 respectively with spray for water system
9 bottom spray water tanks 6, the cylindrical body cylindrical filter arrangement 15 of uniting are fixedly connected, and contaminant transportation tests 13 inner wall of column and is equipped with screw thread
Structure can effectively prevent short flow phenomenon.
In the present invention, the filtrate collection system is made of cylindrical filter arrangement 15 and replaceable filtrate collection 17,
It is made of polymethyl methacrylate materials, is moved by the second screw connection 14 with pollutant at the top of cylindrical filter arrangement 15
Experiment 13 bottom of column is moved to be fixedly connected；For hydrophily pollutant, filled polypropylene filler in cylindrical filter arrangement 15, filling
Voidage is 1:8, for hydrophobic contaminant, is filled with inertia high aluminium ball in cylindrical filter arrangement 15, the voidage of filling is
1:9,15 bottom of cylindrical filter arrangement are equipped with liquid valve door 16 and are connected with replaceable filtrate collection 17, and each replaceable filtrate is received
The volume of storage 17 is 500 mL.Universal wheel 19 is installed at four support legs of Multi-layer supporting platform 18, facilitates whole device
Movement and placement.
In the present invention, a kind of device for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions, including
Following steps:
The first step fills filler into cylindrical filter arrangement 15: being directed to hydrophily pollutant, fills into cylindrical filter arrangement 15
Polypropylene filler, the voidage of filling are 1:8；It is high filled with inertia into cylindrical filter arrangement 15 for hydrophobic contaminant
Aluminium ball, the voidage of filling are 1:9.
Second step, the soil sample that homogenizes needed for being packed into experiment: after the soil sample for being used to test is homogenized, uniform shakedown filling
Contaminant transportation is tested in column 13.
Third step is filled the water into water tank 1: water body needed for experiment is filled with to the water supply on spray 9 top of water system
In water tank 1.
4th step, the different rainfall intensity of manual simulation: starting metering pump 3, using metering pump 3 by water body from water tank
It pumps out and is flowed into underlying spray water tank 6 in 1；The water flow pumped out is adjusted by adjusting the adjusting handle of metering pump 3,
By adjust 6 bottom of spray water tank spray equipment control valve 8 come control the board-like spray head 7 in 6 bottom of spray water tank unlatching and
Closing and overcurrent speed, and then achieve the purpose that the different rainfall intensities of simulation.
5th step, the sampling and test of soil sample, gap water sample: the pillar vertical from 13 left sides of contaminant transportation experiment column takes
The layering of sample mouth 11 takes multiple groups soil sample, and tubular type sample tap 12 layering vertical from 13 right sides of contaminant transportation experiment column takes multiple groups gap
Water sample；All sampling operations can carry out in different time nodes, then detect and analyze pollutant in soil sample and Interstitial Water
Concentration and content in sample.
Step 6: the sampling and test of deep percolation liquid: being collected with filtrate collection 17 from 15 bottom of cylindrical filter arrangement
The deep percolation liquid of outflow then detects and analyzes the concentration and content of pollutant in deep percolation liquid.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of device for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions, it is characterised in that: the dress
It sets including spray water system (9), contaminant transportation experiment column (13), filtrate collection system, Multi-layer supporting platform (18)；
The spray water system (9) includes top water tank (1) and lower part spray water tank (6), water tank (1), lower part
Spray water tank is respectively placed in Multi-layer supporting platform (18) upper layer and middle layer, by soft between water tank (1) and spray water tank (6)
Pipe connection (4) connects, and installs metering pump (3) on hose connection device (4)；
Spray water tank (6) bottom is equipped with the round board-like spray head (7) of stainless steel supercharging air formula, spray water tank (6) bottom
Side is equipped with control valve (8), adjusts the water being pumped into spray water tank (6) by adjusting the adjusting handle of metering pump (3)
Flow realizes the opening and closing of the board-like spray head in spray water tank (6) bottom (7) and board-like by adjusting control valve door (8)
The overcurrent speed of spray head (7), and then achieve the purpose that the different rainfall intensities of simulation；
Contaminant transportation experiment column (13) is placed on the downside of Multi-layer supporting platform (18) middle layer, and contaminant transportation tests column (13)
Top is fixedly connected by the first screw connection (10) with spray water tank (6)；
The filtrate collection system is placed on the downside of Multi-layer supporting platform (18) bottom, including cylindrical filter arrangement (15) and replaceable
Filtrate collection (17), cylindrical filter arrangement (15) pass through the second screw connection (14) and contaminant transportation experiment column (13)
Bottom is fixedly connected, and replaceable filtrate collection (17) is used to collect the deep percolation flowed out from cylindrical filter arrangement (15) bottom
Liquid.
2. a kind of dress for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions according to claim 1
It sets, it is characterised in that: the water tank (1), lower part spray water tank (6) are polymethyl methacrylate material, board-like spray
The density of head (7) setting is 15 mesh, and nozzle uses material for environmentally friendly ABS resin.
3. a kind of dress for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions according to claim 1
It sets, it is characterised in that: contaminant transportation experiment vertical every 5 cm of spacing in column (13) side is evenly distributed with pillar sample tap
(11), pillar sample tap (11) is used for soil sampling；
Contaminant transportation experiment vertical every 2 cm of spacing in column (13) other side is evenly distributed with tubular type sample tap (12), tubular type sampling
Mouth (12) is for taking gap water sample；
Contaminant transportation experiment column (13) is opening design up and down；
It is fixed with a circular screen orifice plate at contaminant transportation experiment column (13) outlet at bottom, the radius of the circular screen orifice plate is
25cm, with a thickness of 1cm；
Contaminant transportation tests column (13) inner wall and is equipped with helicitic texture.
4. a kind of dress for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions according to claim 1
It sets, it is characterised in that: be directed to hydrophily pollutant, the interior filled polypropylene filler of cylindrical filter arrangement (15), the sky of filling
Gap rate is 1:8；For hydrophobic contaminant, inertia high aluminium ball, the gap of filling are filled in the cylindrical filter arrangement (15)
Rate is 1:9, and cylindrical filter arrangement (15) bottom is equipped with liquid valve door (16)；
The volume of each replaceable filtrate collection is 500 mL.
5. a kind of method for simulating contaminant transportation rule in different rainfall intensity Soil Under Conditions, it is characterised in that: the side
Method uses contaminant transportation rule in a kind of different rainfall intensity Soil Under Conditions of simulation of any of claims 1-4
Device realize, comprising the following steps:
The first step fills filler into cylindrical filter arrangement (15): hydrophily pollutant is directed to, into cylindrical filter arrangement (15)
Filled polypropylene filler, the voidage of filling are 1:8, for hydrophobic contaminant, are filled with into cylindrical filter arrangement (15)
Inertia high aluminium ball, the porosity of filling are 1:9；
Second step, the soil sample that homogenizes needed for being packed into experiment: after the soil sample for being used to test is homogenized, uniform shakedown filling pollution
In object migration experiment column (13)；
Third step, to water filling in water tank (1): water body needed for experiment is filled with to the water supply on spray water system (9) top
In water tank (1)；
4th step, the different rainfall intensity of manual simulation: starting metering pump (3), using metering pump (3) by water body from water tank
(1) pumped out in flow into be located at water tank (1) below spray water tank (6) in, by adjust metering pump (3) adjusting handle come
The water flow pumped out is adjusted, controls spray water tank (6) bottom by controlling the control valve (8) of spray water tank (6) bottom sides
The opening and closing of the board-like spray head in portion (7) and the overcurrent speed of board-like spray head (7), and then realize and simulate different rainfall intensities
Purpose；
5th step, the sampling and test of soil sample, gap water sample: the pillar sample tap vertical from contaminant transportation experiment column (13)
(11) layering takes multiple groups soil sample, and tubular type sample tap (12) layering vertical from contaminant transportation experiment column (13) takes multiple groups Interstitial Water
Sample, all sampling operations can carry out in different time nodes, then detect and analyze pollutant in soil sample and gap water sample
In concentration and content；
Step 6: the sampling and test of deep percolation liquid: being collected with filtrate collection (17) from cylindrical filter arrangement (15) bottom
The deep percolation liquid of outflow then detects and analyzes the concentration and content of pollutant in deep percolation liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427591.5A CN109297870B (en) | 2018-11-27 | 2018-11-27 | Device and method for simulating migration rule of pollutants in soil under different rainfall intensity conditions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427591.5A CN109297870B (en) | 2018-11-27 | 2018-11-27 | Device and method for simulating migration rule of pollutants in soil under different rainfall intensity conditions |
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| Publication Number | Publication Date |
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| CN109297870A true CN109297870A (en) | 2019-02-01 |
| CN109297870B CN109297870B (en) | 2024-02-23 |
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| CN109709002A (en) * | 2019-02-28 | 2019-05-03 | 湖北理工学院 | A kind of device and method infiltrating the vertical release of pollutant based on simulation unsaturation |
| CN109991388A (en) * | 2019-03-26 | 2019-07-09 | 清华大学 | The experimental provision and its experimental method that research volatile organic matter migrates in the soil |
| CN113588209A (en) * | 2021-07-30 | 2021-11-02 | 交通运输部天津水运工程科学研究所 | Experimental device and method for phosphorus flux water tank in river |
| CN113607921A (en) * | 2021-07-30 | 2021-11-05 | 中国水利水电科学研究院 | Simulation experiment device and method for measuring and calculating farmland phosphorus migration and conversion ratio |
| CN113655200A (en) * | 2021-08-11 | 2021-11-16 | 辽宁大学 | Soil heavy metal migration simulation soil column rainfall leaching experimental device and experimental method |
| CN114994245A (en) * | 2022-05-19 | 2022-09-02 | 浙江大学 | Microuniverse test device and method for simulating migration and transformation of pollutants in multi-media |
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