CN210293616U - Experimental device for interaction of surface water and underground water - Google Patents
Experimental device for interaction of surface water and underground water Download PDFInfo
- Publication number
- CN210293616U CN210293616U CN201920690518.0U CN201920690518U CN210293616U CN 210293616 U CN210293616 U CN 210293616U CN 201920690518 U CN201920690518 U CN 201920690518U CN 210293616 U CN210293616 U CN 210293616U
- Authority
- CN
- China
- Prior art keywords
- water
- surface water
- pumping well
- tank
- groundwater
- 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.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an experimental device for interaction between surface water and underground water, which consists of a water storage tank, a surface water tank, a medium tank, an underground water tank, a water supply system and a pumping well; the interaction rule of surface water and underground water is researched by controlling the water level of the water tanks at two sides and the pumping intensity of a pumping well, measuring the flow, the head of a piezometer pipe, the concentration of pollutants and other data and combining the analytical solution and the numerical simulation method, and an experimental device is provided for the research of the interaction mechanism of the surface water and the underground water; the utility model discloses the model is small, easily moves, can experiment in the room, and the device sets up in a flexible way, and steerable and a plurality of conditions that change carry out univariate research and multivariate combination research.
Description
Technical Field
The utility model relates to an experimental apparatus for research surface water and groundwater circulation, in particular to surface water and groundwater interaction's experimental apparatus.
Background
Since the 40 s of the 20 th century, a great deal of research has been done on the interaction between surface water and groundwater both domestically and abroad, and great progress has been made. The main research methods include analytical methods and numerical methods, and before the numerical methods appeared, the analytical methods were mainly used. So far, when the interaction relation between surface water and underground water is researched by using a numerical method at home and abroad, the ideal calculation example and the analytical solution comparative analysis are mainly used basically, and the practical application is rarely seen.
As the economy has progressed, surface water and groundwater have become heavily polluted, and relatively more research has been conducted on the influence of polluted surface water on groundwater. The complex transformation relation exists between the transport of pollutants in the interaction process of surface water and underground water, and the key point of urgent research is needed. However, most of the hydrogeological models at the present stage can only study the migration rule of underground water unilaterally, and there are few physical models for the interaction between surface water and underground water, especially indoor experimental devices for studying the interaction between surface water and underground water under the drive of pumping (irrigating) water in the riverside.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a small and can carry out univariate and multivariable surface water and mutual device of experiment of groundwater.
The technical scheme is as follows: the utility model discloses an experimental device for interaction of surface water and underground water, which consists of a water storage tank, a surface water tank, a medium tank, an underground water tank, a water supply system and a pumping well in sequence; one side of the medium groove is a surface water groove, the other side of the medium groove is a groundwater groove, the surface water groove and the groundwater groove are respectively separated by a first porous plate and a second porous plate, different media are paved in the medium groove to simulate a river bank slope, a clamping groove is arranged on one side of the surface water groove, and a permeable reaction wall is formed after a third porous plate is inserted into the clamping groove and is positioned between the surface water groove and the medium groove; the pumping well is positioned in the middle of the medium groove, penetrates through the whole aquifer, and the lower part of the pumping well is positioned in the aquifer section and is perforated.
Preferably, the water supply system comprises a water inlet valve, a river water inlet, a river water outlet, a pumping well water outlet and a large valve.
Preferably, the surface layers of the first permeable plate, the second permeable plate and the third permeable plate are covered by dense wire nets.
Preferably, the water storage tank is positioned on one side of the surface water tank and is provided with a water inlet valve.
Preferably, the upper end of one side of the surface water tank is provided with a plurality of river water inlets, the other side of the surface water tank is provided with a plurality of river water outlets, the surface water tank is used for simulating river water when the water inlets and the water outlets are all opened, and is used for simulating lake water when the water inlets and the water outlets are all closed.
Preferably, the permeable reactive wall is internally provided with a repairing substance such as zero-valent iron or activated carbon and an adsorbing material.
Preferably, a plurality of transverse observation points, a plurality of longitudinal observation points and pumping well observation points are arranged in the medium tank, and are all arranged in the aquifer and positioned at the same height, one side of the medium tank is provided with a plurality of transverse pressure-measuring pipe connectors/sampling ports, a plurality of longitudinal pressure-measuring pipe connectors/sampling ports and a pumping well water outlet, and each observation point is respectively connected with the corresponding pressure-measuring pipe connector/sampling port through a hose; the inspection point of the pumping well is connected with the water outlet of the pumping well through a hose. Each pressure measuring pipe connecting port/sampling port and the water outlet of the pumping well are provided with spherical valves, and the spherical valves are used as pressure measuring pipes when the spherical valves are screwed to the right according to the principle of a communicating vessel; when the switch is screwed to the left, it acts as a sampling port.
Preferably, the large valve is used for draining/replenishing groundwater, and the groundwater level is maintained at a certain height by controlling the height of the water level adjusting pipe.
Has the advantages that: compared with the prior art, the utility model has the following remarkable effects: 1. the interaction between the surface water and the underground water is analyzed in a plurality of aspects by changing the water level at two sides, the type of the aquifer, the type of the surface water, the pumping intensity of the pumping well, the type and concentration of pollutants and the type of the repairing substances in the permeable reactive wall. 2. The device is small in size and easy to move, can be used for indoor experiments, and can be used as an experimental device for scientific research and teaching.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a media slot;
FIG. 3 is a schematic diagram of a pumping well configuration;
FIG. 4 is a schematic diagram of a third water permeable plate;
fig. 5 is a schematic view of a water level adjustment plate.
Detailed Description
As shown in fig. 1 to 5, the utility model discloses main body cover comprises organic glass, long 200cm, wide 60cm, high 80cm, and aquifer thickness is 55cm in the medium groove 9, and a plurality of horizontal observation points 18, a plurality of vertical observation points 20 and pumping well observation point 19 all set up 25cm high department in the aquifer of medium groove 9, and pumping well 21 internal diameter 2cm, long 70cm, lower part 55cm length section punches. Screwing the spherical valve switch to the right, closing the valves of the river water inlet 4 and the river water outlet 17, filling sand samples into the medium tank 9 layer by layer, filling the sand samples by 4-6cm at about each time, then filling water from the bottom of the tank until water films appear on the surface layers of the sand samples, continuing filling the sand samples by 4-6cm at each time, repeating complete drainage-complete filling after filling until the sand layer medium is fully dense, and uniformly filling a clay layer with the thickness of 15cm at the upper part after covering a plastic film on the top for simulating a confined aquifer. The water level adjusting plate 1 is pushed downwards to the lowest height, the water inlet valve 2 is opened, water is stored in the water storage tank 3, and water in the water storage tank 3 is pumped into the surface water tank 5 through the small water pump; when the underwater water level is researched, the water levels of the surface water tank 5 and the underground water tank 11 are both required to be lower than the top height of the sand layer; when pressure-bearing water is researched, the water levels of the water tanks on the two sides are higher than the top height of the sand layer. When the water quantity is enough, the water inlet valve 2 is closed, the height of the water level of the surface water tank 3 is adjusted by adjusting the height of the water level adjusting plate 1, and the height of the water level of the underground water tank 11 is adjusted by adjusting the angle of the water level adjusting pipe 12, so that the water head and the total water head difference at the two ends are controlled.
When the law of interaction between surface water and underground water on the aspect of water quantity under the condition of water pumping (filling) in a riverside is researched, the water outlet flow of a water level adjusting pipe 12 in a period of time is measured, the permeability coefficient K of pore media in a media groove is calculated by utilizing a Darcy formula, a spherical valve of a water outlet 16 of a water pumping well is screwed to the left side for pumping water, the water outlet flow is controlled by the spherical valve to simulate different water pumping strengths of the water pumping well 21, the water level change of each observation point is recorded by each transverse pressure measuring pipe connecting port 14 and each longitudinal pressure measuring pipe connecting port 15, a 'falling funnel' formed under the condition of water pumping is obtained, and the hydrogeological parameters of the aquifer are calculated by utilizing a standard curve method and a straight line graph method.
When the law of interaction between surface water and underground water near flowing river water under the condition of water pumping (filling) in a riverside is researched, the river water inlet 4 and the river water outlet 17 are opened simultaneously, so that water in the surface water tank 5 can flow along the water tank, flowing river water is simulated, the flow rate is measured within a certain time, and the water level of each observation point is measured under the condition of water pumping (filling).
When the law of interaction between surface water and underground water on the aspect of water quality is researched, after an aquifer medium is saturated, water in a surface water tank 5 is rapidly changed into sewage with a certain concentration from common fresh water, sampling is carried out at each sampling port at fixed time, and the concentration of pollutants in a sample is detected; when the law of water pumping (filling) in the riverside is researched, the operation is the same, and water pumping is additionally carried out by a water pumping well.
When the law of interaction between surface water and underground water near flowing river water on the aspect of water quality is researched, the river water inlet 4 and the river water outlet 17 are opened simultaneously, so that water in the surface water tank 5 can flow along the water tank, the flowing river water is simulated, sampling is carried out at each sampling port at regular time, and the concentration of pollutants in a sample is detected; when the law of water pumping (filling) in the riverside is researched, the operation is the same, and water pumping is additionally carried out by a water pumping well.
When the characteristics and the effect of repairing underground water pollutants under the PRB technology are researched, the third porous plate 23 is inserted into the clamping groove 6, underground water repairing substances and adsorbing materials containing zero-valent iron or activated carbon are filled in the permeable reactive barrier 7, and the concentrations of the pollutants in the samples are detected by sampling through the sampling ports. When the repairing characteristics and effects under the water pumping (irrigating) condition of the riverside are researched, the operation is the same, and water is additionally pumped by a water pumping well.
When the repair characteristics and the repair effects of underground water pollutants near flowing river water under the PRB technology are researched, the river water inlet 4 and the river water outlet 17 are opened simultaneously, so that water in the surface water tank 5 can flow along the water tank, the flowing river water is simulated, and the concentration of the pollutants in the sample is detected by sampling through each sampling port. When the repairing characteristics and effects under the water pumping (irrigating) condition of the riverside are researched, the operation is the same, and water is additionally pumped by a water pumping well.
Claims (8)
1. The utility model provides an experimental apparatus of surface water and groundwater interact which characterized in that: consists of a water storage tank (3), a surface water tank (5), a medium tank (9), a ground water tank (11), a water supply system and a pumping well (21); one side of the medium groove (9) is a surface water groove (5), the other side of the medium groove is a groundwater groove (11) which is separated by a first permeable plate (8) and a second permeable plate (10), different media are laid in the medium groove (9), one side of the surface water groove (5) is provided with a clamping groove (6), and a permeable reaction wall (7) is formed after a third permeable plate (23) is inserted into the clamping groove (6) and is positioned between the surface water groove (5) and the medium groove (9); the pumping well (21) is positioned in the middle of the medium groove (9), penetrates through the whole aquifer, and the lower part of the pumping well is perforated in the aquifer section.
2. An experimental apparatus for surface water and groundwater interaction as claimed in claim 1, wherein: the water supply system comprises a water inlet valve (2), a river water inlet (4), a river water outlet (17), a pumping well water outlet (16) and a large valve (13).
3. An experimental apparatus for surface water and groundwater interaction as claimed in claim 1, wherein: the water storage tank (3) is positioned on one side of the surface water tank (5), is separated by a water level adjusting plate (1), and is provided with a water inlet valve (2).
4. An experimental apparatus for surface water and groundwater interaction as claimed in claim 1, wherein: the surface water tank (5) is provided with a plurality of river water inlets (4) at the upper end of one side and a plurality of river water outlets (17) at the other side.
5. An experimental apparatus for surface water and groundwater interaction as claimed in claim 1, wherein: the surface layers of the first permeable plate (8), the second permeable plate (10) and the third permeable plate (23) are covered by dense iron wires.
6. An experimental apparatus for surface water and groundwater interaction as claimed in claim 1, wherein: a plurality of transverse observation points (18), a plurality of longitudinal observation points (20) and pumping well observation points (19) are arranged in the medium tank (9), are all arranged in the aquifer and are positioned at the same height, one side of the medium tank (9) is provided with a plurality of transverse pressure measuring pipe connecting ports/sampling ports, a plurality of longitudinal pressure measuring pipe connecting ports/sampling ports and a pumping well water outlet (16), and each observation point is respectively connected with the corresponding pressure measuring pipe connecting port/sampling port through a hose; the pumping well observation point (19) is connected with the pumping well water outlet (16) through a hose.
7. An experimental apparatus for surface water and groundwater interaction as claimed in claim 6, wherein: the water pumping well comprises a plurality of transverse pressure measuring pipe connecting ports/sampling ports, a plurality of longitudinal pressure measuring pipe connecting ports/sampling ports and a water outlet (16) of a pumping well, and spherical valves are arranged outside the transverse pressure measuring pipe connecting ports/sampling ports, the longitudinal pressure measuring pipe connecting ports/sampling ports and the water outlet (16) of the pumping well.
8. An experimental apparatus for surface water and groundwater interaction as claimed in claim 2, wherein: the big valve (13) drains/supplies groundwater, and controls the groundwater level to be maintained at a certain height by controlling the height of the water level adjusting pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920690518.0U CN210293616U (en) | 2019-05-15 | 2019-05-15 | Experimental device for interaction of surface water and underground water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920690518.0U CN210293616U (en) | 2019-05-15 | 2019-05-15 | Experimental device for interaction of surface water and underground water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210293616U true CN210293616U (en) | 2020-04-10 |
Family
ID=70070534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920690518.0U Active CN210293616U (en) | 2019-05-15 | 2019-05-15 | Experimental device for interaction of surface water and underground water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210293616U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855968A (en) * | 2020-08-25 | 2020-10-30 | 中国地质科学院水文地质环境地质研究所 | Aeration zone moisture infiltration detection simulation method |
| CN111947883A (en) * | 2019-05-15 | 2020-11-17 | 河海大学 | Experimental device for interaction of surface water and underground water |
| CN111999032A (en) * | 2020-08-25 | 2020-11-27 | 中国地质科学院水文地质环境地质研究所 | Dynamic simulation method for groundwater recharge by surface water |
| CN112282714A (en) * | 2020-11-30 | 2021-01-29 | 河海大学 | Full well network water injection development optimization method based on deep learning and graph theory |
-
2019
- 2019-05-15 CN CN201920690518.0U patent/CN210293616U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947883A (en) * | 2019-05-15 | 2020-11-17 | 河海大学 | Experimental device for interaction of surface water and underground water |
| CN111855968A (en) * | 2020-08-25 | 2020-10-30 | 中国地质科学院水文地质环境地质研究所 | Aeration zone moisture infiltration detection simulation method |
| CN111999032A (en) * | 2020-08-25 | 2020-11-27 | 中国地质科学院水文地质环境地质研究所 | Dynamic simulation method for groundwater recharge by surface water |
| CN112282714A (en) * | 2020-11-30 | 2021-01-29 | 河海大学 | Full well network water injection development optimization method based on deep learning and graph theory |
| CN112282714B (en) * | 2020-11-30 | 2022-03-25 | 河海大学 | Full well network water injection development optimization method based on deep learning and graph theory |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210293616U (en) | Experimental device for interaction of surface water and underground water | |
| CN103630659B (en) | Simulation test device and simulation test method for in-situ chemical and biological remediation of underground water | |
| CN108362614B (en) | Device and method for measuring diffusion coefficient in huff and puff process of shale oil carbon dioxide | |
| 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 | |
| CN104807961B (en) | Artificial bank band contaminant transportation with well casing converts indoor simulation device | |
| CN109297870B (en) | Device and method for simulating migration rule of pollutants in soil under different rainfall intensity conditions | |
| CN103424341A (en) | Simulator for transport of soil pollutant | |
| CN109374508B (en) | Clogging simulation experiment device and method for tailing drainage system | |
| CN109668809A (en) | Valley plain band accumulation of soluble substances and Migration Simulation experimental provision and method | |
| CN103364473A (en) | Device and method for study on release of heavy metals and/or phosphate in sediments | |
| CN109839491A (en) | A kind of recharge ground water analogue experiment method | |
| CN111323344B (en) | Simulation device and experimental method for three-dimensional solute transport in porous medium | |
| CN115046890A (en) | Three-dimensional simulation system and method for migration, transformation and restoration of pollutants in underground environment | |
| CN103592424A (en) | Physical model test apparatus for confined groundwater in bedding bank slope | |
| CN104596737B (en) | A kind of DYNAMIC MODELING OF GROUNDWATER experimental method based on groundwater dynamic simulation experiment platform | |
| CN104597218B (en) | Groundwater dynamic simulation experiment platform | |
| CN111947883A (en) | Experimental device for interaction of surface water and underground water | |
| CN105405347A (en) | Inland water-bearing system saline water and fresh water interaction displacement simulation device and method | |
| CN205352897U (en) | Analogue means that groundwater pollutant moved under condition that flows more | |
| CN202929029U (en) | Simulation test device for in-situ chemical and biological remediation of underground water | |
| CN210995782U (en) | Contaminated site soil-groundwater integral type simulation prosthetic devices | |
| CN208350564U (en) | Sand tank device capable of finely depicting migration and conversion of pollutants in aquifer | |
| CN113447400A (en) | Device and method for simulating phosphorus migration and conversion of groundwater in riparian zone | |
| CN114062637A (en) | Multifunctional simulation device for groundwater pollution diffusion and in-situ remediation and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |