CN111239365A - Simulation device for migration of petroleum hydrocarbon pollutants in soil under hydraulic regulation - Google Patents
Simulation device for migration of petroleum hydrocarbon pollutants in soil under hydraulic regulation Download PDFInfo
- Publication number
- CN111239365A CN111239365A CN202010063827.2A CN202010063827A CN111239365A CN 111239365 A CN111239365 A CN 111239365A CN 202010063827 A CN202010063827 A CN 202010063827A CN 111239365 A CN111239365 A CN 111239365A
- Authority
- CN
- China
- Prior art keywords
- soil
- water
- tank
- peristaltic pump
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 129
- 239000003209 petroleum derivative Substances 0.000 title claims abstract description 41
- 238000013508 migration Methods 0.000 title claims abstract description 30
- 230000005012 migration Effects 0.000 title claims abstract description 30
- 238000004088 simulation Methods 0.000 title claims description 23
- 239000003344 environmental pollutant Substances 0.000 title description 30
- 231100000719 pollutant Toxicity 0.000 title description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 33
- 238000005086 pumping Methods 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 239000000356 contaminant Substances 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims description 34
- 229920001296 polysiloxane Polymers 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 6
- 229920005372 Plexiglas® Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/241—Earth materials for hydrocarbon content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2823—Raw oil, drilling fluid or polyphasic mixtures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present disclosure relates to a device for simulating the migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation, the device comprising: the soil box comprises a water tank (1), a peristaltic pump (3) and a soil box (2) which are sequentially connected in series, wherein two parallel porous baffles (4) are arranged inside the water tank (2), and the soil box (2) is sequentially divided into a water inlet groove (14), a soil groove (15) and a water outlet groove (16) from left to right; the bottoms of the left side and the right side of the soil box (2) are respectively provided with a water inlet (8) and a water outlet (10); the output end of the peristaltic pump (3) is connected with the water inlet (8) of the soil box (2); a water pumping pipe (11) and a water injection pipe (17) are arranged in the soil tank (15) and are respectively connected with a peristaltic pump (18).
Description
Technical Field
The present disclosure relates to a simulation device for migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation.
Background
As a large consumption country of petroleum in China, petroleum is widely applied to production and life. During the oil exploitation process, the leakage of oil and the discharge of oily sewage can cause pollution to surrounding soil, surface water and underground water to different degrees. The petroleum hydrocarbon pollution problem is found to be very serious in soil and underground water investigation in China, particularly around some enterprises and oil refineries for producing petroleum products. After the petroleum hydrocarbon pollutants enter the underground environment, the petroleum hydrocarbon pollutants are difficult to degrade and easy to migrate along with underground water, so that the health of surrounding people can be threatened, and therefore, the remediation of the petroleum hydrocarbon polluted site is an environmental problem which is urgently needed to be solved at present.
In order to research the migration rule of petroleum hydrocarbon pollutants in soil and underground water, most of the current researches are carried out indoors in a pollution tank simulation experiment and an earth pillar simulation experiment, and the simulation experiment has the characteristics of low manufacturing cost, small pollution, simplicity in manufacture, convenience in operation and the like. However, the soil environment has a large range, so that the scale of the experiment is relatively small when the indoor simulation experiment is performed, the representativeness is poor, and the whole device needs to be refilled after the simulation experiment is finished, so that the use is very inconvenient.
Therefore, there is a pressing need in the art to develop a simulation device for the migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation that overcomes the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The utility model provides a novel simulation device that petroleum hydrocarbon pollutant migrated in soil under water conservancy regulation and control, its simple structure, convenient operation can simulate the condition that pollutant migrated in soil under different water conservancy regulations and control to the problem that exists among the prior art has been solved.
The present disclosure provides a simulation device for migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation, the device comprising: a water tank, a peristaltic pump and a soil tank which are connected in series in turn,
the soil box is divided into a water inlet groove, a soil groove and a water outlet groove in sequence from left to right; the left side and the right side of the soil box are respectively provided with a water inlet and a water outlet; the output end of the peristaltic pump is connected with the water inlet of the soil box; and a water pumping pipe and a water injection pipe are arranged in the soil tank and are respectively connected with the peristaltic pump.
In a preferred embodiment, the water tank and the peristaltic pump are connected through a silicone tube; the output end of the peristaltic pump is connected with the water inlet of the soil box through a silicone tube; the water pumping pipe and the water injection pipe are connected with the peristaltic pump through the silicone tube.
In another preferred embodiment, the soil box is a plexiglas box body, and a box cover is covered on the soil box body.
In another preferred embodiment, a control valve is arranged on the water outlet.
In another preferred embodiment, the porous baffle plates in the soil box are distributed with sieve holes, and the diameter of the sieve holes is 5-10 mm.
In another preferred embodiment, sampling holes are arranged on the front side and the back side of the soil tank, the number of the sampling holes is 30-50 on the front side and the back side respectively, and the spacing between the sampling holes is 9-10 cm.
In another preferred embodiment, the sampling holes are provided with control valves.
In another preferred embodiment, the number of the sampling holes is 42 on each of the front and back sides.
In another preferred embodiment, a simulated soil layer is arranged in the soil tank, and the soil tank has an aspect ratio of 2: 1.
In another preferred embodiment, a monitoring well is vertically arranged in the soil tank, and the monitoring well is connected with a multi-parameter water quality monitor.
Has the advantages that:
the device has the advantages of simple structure, convenient operation and accurate control, and can simulate the migration of pollutants in soil at different flow rates by adjusting different flow rates through the peristaltic pump; the uniform distribution of the sampling holes can study the migration rule of petroleum hydrocarbon pollutants in the whole space; the pumping and injecting system of the pumping pipe and the water injecting pipe can simulate the hydrodynamic field manually, and further observe the migration rule of petroleum hydrocarbon pollutants in soil.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification to further illustrate the disclosure and not limit the disclosure.
FIG. 1 is a schematic diagram of the structure of a simulation device for migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation according to the present invention.
FIG. 2 is a top view of the configuration of the apparatus for simulating the migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation in accordance with the present invention.
FIG. 3 is a side view of the configuration of the simulated device of the present invention for migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation.
Detailed Description
After extensive and intensive research, the inventor of the application finds that numerical simulation needs to be carried out on the migration of pollutants in a simulation tank in order to accurately master the migration mechanism of petroleum hydrocarbon in the underground environment, but the numerical simulation relates to a plurality of parameters, such as the physicochemical properties of the pollutants, the physicochemical properties of the polluted soil and the like, different underground water flow fields are simulated through hydraulic regulation and control in different degrees, the distribution of the concentration of the pollutants in the simulation tank is monitored in real time, and the migration process of the petroleum hydrocarbon pollutants in different soil environments can be effectively predicted. Based on the above findings, the present invention has been completed.
The technical concept of the invention is as follows:
the simulation device for migration of petroleum hydrocarbon pollutants in soil under hydraulic regulation comprises a water tank, a peristaltic pump and a soil tank which are sequentially connected in series; the soil box is sequentially divided into a water inlet groove, a soil groove and a water outlet groove from left to right, the bottom parts of the left side and the right side of the soil box are respectively provided with a water inlet and a water outlet, and the output end of the peristaltic pump is connected with the water inlet of the soil box through the silicone tube; the soil tank is internally provided with a water pumping pipe and a water injection pipe, and a peristaltic pump is connected between the water pumping pipe and the water injection pipe, so that pumping and injection of different flows in the soil tank can be realized, and migration of petroleum hydrocarbon pollutants in soil under an artificial flow field is simulated.
The present disclosure provides a simulation device for migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation, the device comprising: the device comprises a water tank, a peristaltic pump and a soil tank which are sequentially connected in series, wherein the water tank is connected with the peristaltic pump through a silicone tube; two parallel porous baffles are arranged in the water tank, and the soil tank is sequentially divided into a water inlet tank, a soil tank and a water outlet tank from left to right; the left side and the right side of the soil box are respectively provided with a water inlet and a water outlet; the output end of the peristaltic pump is connected with the water inlet of the soil box through a silicone tube; and a water pumping pipe and a water injection pipe are arranged in the soil tank and are connected with the peristaltic pump through a silicone tube.
In the present disclosure, a cover is placed over the soil box to reduce the volatilization of petroleum hydrocarbon contaminants.
In the present disclosure, a control valve is provided on the water outlet, so that the flow of liquid can be better controlled.
In the disclosure, a plurality of sieve holes are distributed on the porous baffle plate in the soil box, and the diameter of each sieve hole is 5-10 mm.
In the disclosure, sampling holes are arranged on both the front side and the back side of the soil tank, and the number of the sampling holes is 40-50, preferably 42, on each of the front side and the back side; the sampling holes are preferably spaced 9-10cm apart.
In the present disclosure, the sampling holes are all provided with control valves, so that the liquid flow can be better controlled.
In the present disclosure, a simulated soil layer is provided, so that the underground environment can be better simulated.
In this disclosure, the soil box is provided with a monitoring well vertically, and the monitoring well is connected with a multi-parameter water quality monitor.
Preferably, the soil box is a box body which is 120cm x 55cm x 66cm long, wide and high and is made of organic glass; the length-width ratio of the soil tank is 2: 1; a box cover is covered above the soil box; a control valve is arranged on the water outlet; a plurality of sieve pores are distributed on the porous baffle plate in the soil box, and the diameter of each sieve pore is 5-10 mm; sampling holes are formed in the front side and the back side of the soil tank, the number of the sampling holes is 42, and the spacing between the sampling holes is 9-10 cm; and the sampling holes are provided with control valves.
The implementation process of the device of the invention is as follows:
firstly, filling soil in a soil tank, and blocking sieve pores on porous baffles on two sides by using a gauze when filling; keeping the filling height at about 5cm each time, and continuously filling after paving and tamping; after the filling is finished, the deionized water slowly permeates into the soil tank through the water inlet at the bottom of the soil box, and the air in the soil tank is discharged as far as possible to ensure that the soil reaches the maximum water saturation degree.
Contaminant migration experiments: the experimental temperature is controlled to be the average temperature of the underground environment, a water source in a water tank is replaced by a petroleum hydrocarbon pollutant solution with a certain concentration, water is injected into the water inlet tank through a peristaltic pump, and the height difference of the water level of the water inlet tank and the water level of the water outlet tank are controlled through a control valve so as to obtain different hydraulic gradients; and under different hydraulic gradients, sampling from the sampling holes and the water outlet at intervals to analyze the concentration of the pollutants, and finishing the test when the concentration of the pollutants in each sampling hole is not changed any more to obtain the condition that the petroleum hydrocarbon pollution migrates in the soil tank under different hydraulic gradients.
And (3) pumping and injecting experiment: the experimental temperature is controlled to be the average temperature of the underground environment, a water source in a water tank is replaced by a petroleum hydrocarbon pollutant solution with a certain concentration, in order to research the influence of hydraulic control on the migration of the petroleum hydrocarbon pollutants, manual pumping and injection are carried out through a water pumping pipe and a water injection pipe, a stable circulation zone is formed by water flow in a soil box, the concentrations of the pollutants in each sampling hole and a water outlet are analyzed at intervals under pumping and injection systems with different flow rates, and the migration rule of the petroleum hydrocarbon pollutants under different hydraulic regulation and control is researched.
Reference is made to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of a simulation device for migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation according to the present invention. As shown in fig. 1, the device comprises a water tank 1, a peristaltic pump 3 and a soil tank 2 which are connected in series in sequence; the water tank 1 and the peristaltic pump 3 are connected through a silicone tube, two parallel porous baffles 4 are arranged inside the water tank 2, the soil tank 2 is sequentially divided into a water inlet groove 14, a soil groove 15 and a water outlet groove 16 from left to right, a water inlet 8 and a water outlet 10 are respectively arranged at the bottoms of the left side and the right side of the soil tank 2, and the output end of the peristaltic pump 3 is connected with the water inlet 8 of the soil tank 2 through the silicone tube; a water pumping pipe 11 and a water injection pipe 17 are arranged in the soil tank 15 and are connected through a peristaltic pump 18; a box cover 6 is covered above the soil box 2; sampling holes 5 are formed in the front and back surfaces of the soil tank 15; the sampling holes 5 are provided with control valves 7; a control valve 9 is arranged on the water outlet 10.
FIG. 2 is a top view of the configuration of the apparatus for simulating the migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation in accordance with the present invention. As shown in fig. 2, two parallel porous baffles 4 are arranged inside the water tank, the soil tank is sequentially divided into a water inlet tank 14, a soil tank 15 and a water outlet tank 16 from left to right, baffles 13 are arranged on the edges of the front side and the back side of the soil tank, a water inlet 8 and a water outlet 10 are respectively arranged on the bottom parts of the left side and the right side of the soil tank, and a water pumping pipe 11 and a water injection pipe 17 are arranged inside the soil tank 15 and connected through a peristaltic pump; sampling holes 5 are formed in the front and back surfaces of the soil tank 15; the sampling holes 5 are provided with control valves 7; a control valve 9 is arranged on the water outlet 10.
FIG. 3 is a side view of the configuration of the simulated device of the present invention for migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation. As shown in fig. 3, two parallel porous baffles are arranged in the water tank, the soil tank is sequentially divided into a water inlet tank, a soil tank and a water outlet tank 16 from left to right, the baffles 13 are arranged at the edges of the front side and the back side of the soil tank, the bottom parts of the left side and the right side of the soil tank are respectively provided with a water inlet and a water outlet 10, and a water pumping pipe 11 and a water injection pipe are arranged in the soil tank and connected through a peristaltic pump; sampling holes 5 are formed in the front and back surfaces of the soil tank; the sampling holes 5 are provided with control valves 7; a control valve 9 is arranged on the water outlet 10; the porous baffle plate is distributed with sieve pores 12.
Examples
The invention is further illustrated below with reference to specific examples. It is to be understood, however, that these examples are illustrative only and are not to be construed as limiting the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the manufacturer. All percentages and parts are by weight unless otherwise indicated.
Example 1:
the device according to the invention is used for carrying out a migration simulation experiment of petroleum hydrocarbon pollutants in soil under hydraulic drive, and the specific operation process and effect are described as follows:
1. structural parameters of the device
The main soil box is made of organic glass with the thickness of 1cm, the specific size is 120cm in length, 55cm in width and 66cm in height, 1 porous baffle is respectively arranged on the left and right sides in the simulation groove, a plurality of sieve pores are distributed on the porous baffles, and the diameter of each sieve pore is 5-10 mm. Sampling holes are formed in the front side and the back side of the soil tank, the number of the sampling holes is 42 respectively, and the spacing between the sampling holes is 9-10 cm. Even there is the peristaltic pump at the water inlet in simulation groove, for the intake antrum provides stable inflow, even has a peristaltic pump between drinking-water pipe and the water injection pipe on the soil box, controls different pump injection flow through adjusting the peristaltic pump.
2. Filling of soil-filled material in soil-filled groove
And (3) filling soil in the soil tank, wherein the screen meshes on the porous baffle plates on the two sides are blocked by a gauze when filling. The filling height is kept about 5cm each time, and the filling is continued after the paving and tamping. After the filling is finished, the deionized water slowly permeates into the soil tank through the water inlet at the bottom of the soil box, and the air in the soil tank is discharged as far as possible to ensure that the soil reaches the maximum water saturation degree.
3. Procedure of experiment
(1) Debugging the device: after the soil is filled, water is introduced into the water inlet tank, and the water in the soil tank is naturally saturated by utilizing the water head difference of the left water tank and the right water tank.
(2) And (3) pumping and injecting experiment: the water source in the water tank is replaced by a petroleum hydrocarbon pollutant solution with a certain concentration, in order to research the influence of hydraulic control on the migration of the petroleum hydrocarbon pollutants, manual pumping and injection are carried out through a pumping pipe and a water injection pipe, water flow in the soil tank forms a stable circulation zone, the experiment adopts constant-flow pumping and injection, and the pumping and injection flow is 0.5m3And d, sampling from each sampling hole at regular time to determine the concentration of the petroleum hydrocarbon, observing the migration condition of the solute in the artificial flow field, and analyzing the time-space distribution condition of the pollutant. The pumping and injection flow rates are changed to be 0.3m respectively3/d、0.1m3D and 0.05m3And d, observing the spatial distribution of the pollutants along with time under different pumping flow rates.
4. Results of the experiment
The pumping and injecting flow is 0.5m3At the time of/d, the time when the concentration of the petroleum hydrocarbon at the water outlet does not change is 7 days, and the concentration is 80% of the initial concentration at the time, which is mainly caused by the adsorption of the petroleum hydrocarbon by soil. When the pumping and injecting flow is reduced, the time that the concentration of the petroleum hydrocarbon at the water outlet is not changed is reduced, the concentration is gradually increased, mainly the artificial flow field is weakened, and the interception capability of the petroleum hydrocarbon pollutants is reduced. Therefore, the artificial flow field is formed through hydraulic control, and the migration and diffusion of pollutants can be relieved to a certain extent.
The above-listed embodiments are merely preferred embodiments of the present disclosure, and are not intended to limit the scope of the present disclosure. That is, all equivalent changes and modifications made according to the contents of the claims of the present application should be considered to be within the technical scope of the present disclosure.
All documents referred to in this disclosure are incorporated by reference into this application as if each were individually incorporated by reference. Furthermore, it should be understood that various changes or modifications to the disclosure may be made by those skilled in the art after reading the above teachings of the disclosure, and such equivalents may fall within the scope of the disclosure as defined by the appended claims.
Claims (10)
1. A simulation apparatus for the migration of petroleum hydrocarbon contaminants in soil under hydraulic regulation, the apparatus comprising: a water tank (1), a peristaltic pump (3) and a soil box (2) which are connected in series in turn,
the soil box (2) is divided into a water inlet groove (14), a soil groove (15) and a water outlet groove (16) from left to right in sequence; the bottoms of the left side and the right side of the soil box (2) are respectively provided with a water inlet (8) and a water outlet (10); the output end of the peristaltic pump (3) is connected with the water inlet (8) of the soil box (2); a water pumping pipe (11) and a water injection pipe (17) are arranged in the soil tank (15) and are respectively connected with a peristaltic pump (18).
2. The device according to claim 1, characterized in that the water tank (1) and the peristaltic pump (3) are connected by silicone tubing; the output end of the peristaltic pump (3) is connected with the water inlet (8) of the soil box (2) through a silicone tube; the water pumping pipe (11) and the water injection pipe (17) are connected with the peristaltic pump (18) through a silicone tube.
3. The device according to claim 1 or 2, characterized in that the soil box (2) is a plexiglas box, covered with a cover (6).
4. Device according to claim 1 or 2, characterized in that a control valve (9) is provided on the water outlet (10).
5. The device according to claim 1 or 2, characterized in that the perforated baffles (4) in the soil box (2) are provided with mesh (12), and the diameter of the mesh (12) is 5-10 mm.
6. The device as claimed in claim 1 or 2, wherein sampling holes (5) are formed in the front and back surfaces of the soil tank (15), the number of the sampling holes is 40-50 on each of the front and back surfaces, and the spacing between the sampling holes (5) is 9-10 cm.
7. The device according to claim 6, characterized in that the sampling holes (5) are each provided with a control valve (7).
8. The apparatus of claim 6, wherein the number of sampling holes is 42 on each of the front and back sides.
9. The device according to claim 1 or 2, characterized in that a simulated soil layer is arranged in the soil tank (15), and the soil tank (15) has an aspect ratio of 2: 1.
10. The device according to claim 1 or 2, characterized in that a monitoring well is vertically arranged in the soil tank (15), and the monitoring well is connected with a multi-parameter water quality monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063827.2A CN111239365A (en) | 2020-01-20 | 2020-01-20 | Simulation device for migration of petroleum hydrocarbon pollutants in soil under hydraulic regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063827.2A CN111239365A (en) | 2020-01-20 | 2020-01-20 | Simulation device for migration of petroleum hydrocarbon pollutants in soil under hydraulic regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111239365A true CN111239365A (en) | 2020-06-05 |
Family
ID=70872820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010063827.2A Pending CN111239365A (en) | 2020-01-20 | 2020-01-20 | Simulation device for migration of petroleum hydrocarbon pollutants in soil under hydraulic regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111239365A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018421A (en) * | 2012-11-22 | 2013-04-03 | 中国地质大学（武汉） | Multi-section earth-pillar for simulating soil in petroleum hydrocarbon polluted aeration zone |
| CN103630659A (en) * | 2012-11-30 | 2014-03-12 | 上海市环境科学研究院 | Simulation test device and simulation test method for in-situ chemical and biological remediation of underground water |
| CN103994951A (en) * | 2014-04-25 | 2014-08-20 | 南开大学 | Simulator for migration and transformation of environmental pollutants in different aquifers of underground water |
| CN204116335U (en) * | 2014-07-16 | 2015-01-21 | 江苏常环环境科技有限公司 | Soil pollutant Transport And Transformation analogue experiment installation |
| CN104483240A (en) * | 2014-12-08 | 2015-04-01 | 南开大学 | Simulation device for widely simulating vertical migration of pollutants in water containing layer |
| CN105866379A (en) * | 2016-04-11 | 2016-08-17 | 河海大学 | Device and method for simulating transportation of heterogeneous beach pollutants of coastal shallow layer |
| CN110947752A (en) * | 2019-12-25 | 2020-04-03 | 中国电建集团中南勘测设计研究院有限公司 | In-situ chemical oxidation remediation device for simulating polluted underground water and using method |
| CN112577856A (en) * | 2019-09-29 | 2021-03-30 | 中国石油化工股份有限公司 | Experimental device for researching migration rule of pollutants in underground water under artificial disturbance |
-
2020
- 2020-01-20 CN CN202010063827.2A patent/CN111239365A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018421A (en) * | 2012-11-22 | 2013-04-03 | 中国地质大学（武汉） | Multi-section earth-pillar for simulating soil in petroleum hydrocarbon polluted aeration zone |
| CN103630659A (en) * | 2012-11-30 | 2014-03-12 | 上海市环境科学研究院 | Simulation test device and simulation test method for in-situ chemical and biological remediation of underground water |
| CN103994951A (en) * | 2014-04-25 | 2014-08-20 | 南开大学 | Simulator for migration and transformation of environmental pollutants in different aquifers of underground water |
| CN204116335U (en) * | 2014-07-16 | 2015-01-21 | 江苏常环环境科技有限公司 | Soil pollutant Transport And Transformation analogue experiment installation |
| CN104483240A (en) * | 2014-12-08 | 2015-04-01 | 南开大学 | Simulation device for widely simulating vertical migration of pollutants in water containing layer |
| CN105866379A (en) * | 2016-04-11 | 2016-08-17 | 河海大学 | Device and method for simulating transportation of heterogeneous beach pollutants of coastal shallow layer |
| CN112577856A (en) * | 2019-09-29 | 2021-03-30 | 中国石油化工股份有限公司 | Experimental device for researching migration rule of pollutants in underground water under artificial disturbance |
| CN110947752A (en) * | 2019-12-25 | 2020-04-03 | 中国电建集团中南勘测设计研究院有限公司 | In-situ chemical oxidation remediation device for simulating polluted underground water and using method |
Non-Patent Citations (4)
| Title |
|---|
| 王照宜等: "Cr、Ni、Cu和Cd在珠三角某区域工业污染场地包气带和潜水层中的迁移规律", 《环境工程学报》 * |
| 路敬莉等: "石化工业对地下水污染数值模拟研究――以天津南港工业区为例", 《化学工程与装备》 * |
| 陈亮等: "两种典型溶质模拟污染物在沙性土壤中的运移试验研究", 《江苏农业科学》 * |
| 马飞 等: "《酸法地浸采铀工艺手册》", 31 January 2003 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110681685A (en) | Polluted site soil-underground water integrated simulation restoration device and method | |
| CN108318386B (en) | Multifunctional simulation experiment device and method for migration and infiltration rules of river pollutants | |
| CN109060598B (en) | Filling crack solute migration monitoring test device and method | |
| CN103630659B (en) | Simulation test device and simulation test method for in-situ chemical and biological remediation of underground water | |
| CN106370804B (en) | A kind of sampling method of the three-dimensional visible simulator of contaminant transportation conversion | |
| CN103529190B (en) | Aeration and vapor extraction combination two-dimensional testing device | |
| CN110947752A (en) | In-situ chemical oxidation remediation device for simulating polluted underground water and using method | |
| CN103424341A (en) | Simulator for transport of soil pollutant | |
| CN103837449A (en) | Simulation device for migration and transformation of volatile organic pollutants in underground water and application | |
| CN111239009B (en) | Solute saturation/non-saturation migration model test system in contaminated site | |
| CN107036960B (en) | The retention release test three-dimensional simulation system and its test method of a kind of pollutant in aeration zone | |
| CN112611850B (en) | Surface karst fissure area soil surface loss and underground leakage simulation device | |
| CN111323344B (en) | Simulation device and experimental method for three-dimensional solute transport in porous medium | |
| CN210995782U (en) | Contaminated site soil-groundwater integral type simulation prosthetic devices | |
| CN202929029U (en) | Simulation test device for in-situ chemical and biological remediation of underground water | |
| CN111855499A (en) | Electroplating field soil-underground water integrated pollutant migration and diffusion simulation method | |
| McGechan | SW—soil and water: transport of particulate and colloid-sorbed contaminants through soil, part 2: trapping processes and soil pore geometry | |
| CN111239365A (en) | Simulation device for migration of petroleum hydrocarbon pollutants in soil under hydraulic regulation | |
| CN209277868U (en) | A kind of simulation note odd test experiment device | |
| CN211707712U (en) | In-situ chemical oxidation repair device for simulating polluted underground water | |
| Tran Ngoc et al. | Experimental evidence of the double-porosity effects in geomaterials | |
| CN207472845U (en) | The experimental provision of saturated aqueous layer chlorinated hydrocarbon DNAPL pollution sources is repaired based on Zero-valent Iron-PRB reduction | |
| CN107389863B (en) | Experimental device and method for restoring chlorinated hydrocarbon DNAPL pollution source of saturated aquifer based on zero-valent iron-PRB reduction | |
| CN216209117U (en) | Laboratory crack aquifer simulation device | |
| Weihermüller | Comparison of different soil water extraction systems for the prognoses of solute transport at the field scale using numerical simulations, field and lysimeter experiments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200605 |