CN207528591U - Offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction - Google Patents
Offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction Download PDFInfo
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- CN207528591U CN207528591U CN201721722204.1U CN201721722204U CN207528591U CN 207528591 U CN207528591 U CN 207528591U CN 201721722204 U CN201721722204 U CN 201721722204U CN 207528591 U CN207528591 U CN 207528591U
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Abstract
The utility model is related to offshore farmland pollution object Migration Simulation devices under a kind of underground water lake water interaction, belong to agricultural environment technical field；Offshore farmland pollution object Migration Simulation device under the underground water lake water interaction, including containing Tu Chi, solution collection device, observation of groundwater levels pipe, level of ground water regulating reservoir, groundwater supply pond, lake stage regulating reservoir, bank slope module, lake water feed cistern；The utility model solves the problems, such as that the pollutants such as nitrogen phosphorus can not be monitored at present with subsurface flow space-time Transport under the offshore farmland underground water lake water interaction of lake, it is more convenient compared to field monitoring, it is at low cost, shorten the test period, reduce experiment work amount, improve test accuracy, transition process of the pollutants such as the nitrogen phosphorus under the offshore farmland underground water lake water interaction of lake with subsurface flow can not only be simulated, moreover it is possible to and then provide reasonable, science data for the determining of the pollutants flux of lake inflow such as lake offshore farmland nitrogen phosphorus.
Description
Technical field
The utility model is related to the moulds that offshore farmland pollution object under a kind of underground water-lake water interaction is migrated with subsurface flow
Intend observation device, belong to agricultural environment technical field.
Background technology
Lake offshore farmland water table aquifer is in the factors phase interaction such as land inland water ecotone, the various hydrology, physics, chemistry, biology
With so that pollutants such as nitrogen phosphorus under lake offshore farmland shallow groundwater-lake water interaction with the transition process of subsurface flow
It is complicated.In addition since water source advantage causes lake offshore farmland is a variety of to plant vegetables and fruits class industrial crops, in industrial crops planting process
The inevitable big fertilizer input of flood so that the migration accumulation downwards under Infiltration effect of excessive fertilizer in soil profile or enters
In phreatic water.On the one hand, if shallow groundwater increases, since the presence of hydraulic gradient causes pollutant in shallow underground
Entered in lake water by loke shore slope under flow action, on the other hand, if lake stage increases, lake water can also feed offshore farmland underground
Water, lake water expand lake offshore farmland coverage, and the nitrogen being enriched in the soil can be accelerated to enter by phreatic water
In lake water.In addition, the nitrogen and phosphorus pollutants concentration in lakeside zone farmland shallow groundwater be generally greater than lake water, lake water and underground water by
In the difference of pollutant concentration, it also occur that underground water middle and high concentration pollutant is spread into lake water.
At present, generally lakeside zone farmland shallow groundwater can be preferably simulated by the method for numerical simulation to hand over lake water
The transition process of the pollutants such as nitrogen phosphorus under interaction, but in order to which the transition process of the pollutants such as accurate simulation nitrogen phosphorus is also required to
Detailed pollutant and the change in time and space process of water level and all kinds of parameters, these are also required to field monitoring, but field is online at present
Monitor costly, the data provided are limited, and field monitoring data are due to the limitation of monitoring frequency, it is also difficult to precisely reaction
Pollutant change in time and space process and SEA LEVEL VARIATION process, so as to also affect the precision of prediction of numerical model.
Therefore, it is necessary to design what offshore farmland pollution object under a kind of underground water-lake water interaction was migrated with subsurface flow
Analogue observation device, in order to monitor the change in time and space process of level of ground water and water pollutant and all kinds of parameters.
Invention content
In order to solve the problems, such as background technology, the utility model is provided under a kind of underground water-lake water interaction
The analogue observation device that offshore farmland pollution object is migrated with subsurface flow, the device is with can not only simulating lake offshore farmland shallow-layer
Nitrogen phosphorus under lower water-lake water interaction etc. pollutes transition process, moreover it is possible to and then enter lake for pollutants such as lake offshore farmland nitrogen phosphorus
The determining offer important parameter of flux.
In order to achieve the above objectives, the utility model is implemented by following technical solution：
Offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction, including containing Tu Chi, solution is collected
Device, observation of groundwater levels pipe, level of ground water regulating reservoir, groundwater supply pond, lake stage regulating reservoir, bank slope module, lake water supply
Pond；Thief hole is offered on the front side wall for containing Tu Chi, solution collection device is provided on thief hole, Sheng Tuchi is interior from the right side
Equidistantly arrangement of turning left is provided with observation of groundwater levels pipe, and observation of groundwater levels pipe side wall offers water seepage hole, and top is provided with
Pipe lid contains Tu Chi sides and is provided with level of ground water regulating reservoir, passes through top with holes between level of ground water regulating reservoir and Sheng Tuchi
Partition board separates, and level of ground water regulating reservoir side is equipped with the level of ground water adjustment hole being vertically arranged, and is set on level of ground water adjustment hole
There is level of ground water to adjust tap, be provided with groundwater supply pond above level of ground water regulating reservoir, groundwater supply is set on pond
The groundwater supply water tap to supply water to level of ground water regulating reservoir is useful for, the opposite side of Sheng Tuchi is provided with lake stage adjusting
Pond is provided with bank slope module, lake water feed cistern, lake is provided with above lake stage regulating reservoir between lake stage regulating reservoir and Sheng Tuchi
The lake water feed cistern tap for supplying water to lake stage regulating reservoir, lake stage regulating reservoir wherein side are provided on water feed cistern
The lake stage adjustment hole being vertically arranged is offered, lake stage adjustable tap is provided on lake stage adjustment hole.
Further, preferably, the thief hole is horizontally arranged to be provided at least two, it is vertically arranged setting at least
Two row.
Further, preferably, the solution collection device includes collecting pipe, stone, nylon wire, silica gel hose and stops
Water presss from both sides, and collecting pipe is arranged on thief hole, and collecting pipe underfill stone, stone outer surface is equipped at least two layers of nylon wire,
Collecting pipe outer end is provided with silica gel hose, and tongs are provided on silica gel hose.
Further, preferably, being provided with bank slope module between the lake stage regulating reservoir and Sheng Tuchi, when bank slope slope
When foot is 90 °, bottom end partition board with holes that bank slope module is vertically arranged.
Further, preferably, being provided with bank slope module between the lake stage regulating reservoir and Sheng Tuchi, when bank slope slope
During 90 ° of foot ＜, the bank slope structure module with inclined-plane is provided in lake stage regulating reservoir, bank slope builds module without left side wall and bottom
Wall, the wall surface with inclined-plane are evenly distributed with hole.
Further, preferably, offering to install bottom end partition board on the native bottom of pond portion of the Sheng and two side
Card slot.
Further, preferably, the lake stage regulating reservoir bottom is provided with the card slot for installing bank slope module.
Further, preferably, the bank slope structure module and card slot junction, the bank slope of lake stage regulating reservoir bottom
It builds the bank slope slope surface of module and is both provided with sealing strip with the junction of lake water regulating reservoir both sides.
The beneficial effects of the utility model：
The utility model solves and can not monitor the dirts such as nitrogen phosphorus at present under lake offshore farmland underground water-lake water interaction
The problem of object is with subsurface flow space-time Transport is contaminated, and the device is more convenient compared to field monitoring, it is at low cost, shorten examination
The period is tested, experiment work amount is reduced, improves test accuracy, can not only be simulated under lake offshore farmland underground water-lake water interaction
The pollutants such as nitrogen phosphorus with subsurface flow transition process, moreover it is possible to and then be the pollutants flux of lake inflow such as lake offshore farmland nitrogen phosphorus
Determining offer rationally, the data of science.In addition, the utility model can not only observe the elements such as nitrogen phosphorus, can also observe other
Water-soluble other elements.
Description of the drawings
The structure diagram that Fig. 1 is the utility model bank slope gradient when being 90 °；
Structure diagram when Fig. 2 is 90 ° of the utility model bank slope gradient ＜；
Fig. 3 is the utility model solution collection device structure diagram；
Fig. 4 builds modular structure schematic diagram for the utility model bank slope；
Fig. 5 is the utility model observation of groundwater levels pipe structure diagram.
In figure, 1- contains Tu Chi, 2- thief hole, 3- levels of ground water regulating reservoir, 4- levels of ground water adjustment hole, 5- level of ground water tune
Save tap, 6- groundwater supplies pond, 7- groundwater supplies water tap, 8- tops partition board, 9- lake stages regulating reservoir, 10- bottom ends
Partition board, 11- bank slopes structure module, 12- lake water feed cistern, 13- lake water feed cisterns tap, 14- lake stages adjustment hole, 15- lakes
Water level regulation tap, 16- collecting pipes, 17- stones, 18- nylon wires, 19- silica gel hoses, 20- tongs, 21- levels of ground water
Sighting tube, 22- observation of groundwater levels pipe lids.
Specific embodiment
In order to make the purpose of this utility model, technical solution and advantageous effect clearer, below in conjunction with attached drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figs. 1-5, offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction, including containing
Native pond 1, solution collection device, observation of groundwater levels pipe 21, level of ground water regulating reservoir 3, groundwater supply pond 6, lake stage are adjusted
Pond 9, bank slope module, lake water feed cistern 12；Thief hole 2 is offered on the front side wall for containing native pond 1, is provided on thief hole 2
Solution collection device, the solution collection device include collecting pipe 16, stone 17, nylon wire 18, silica gel hose 19 and sealing
Folder 20, collecting pipe 16 is arranged on thief hole 2, and 16 underfill stone 17 of collecting pipe, 17 outer surface of stone is equipped at least two
Layer nylon wire 18, when being sampled to containing the solution in native pond 1, stone 17 and filtering nylon wire 18 can carry out sampling solution thick
Filtering, filters out the impurity such as most of soil, avoids the subsequent test experience of impurity effect.16 outer end of collecting pipe is provided with silicon
Glue hose 19 is provided with tongs 20 on silica gel hose 19, when needing sampling, removes tongs 20 so that sampling liquid is from silica gel
It is flowed out in hose 19, after the completion of sampling, clamps silica gel hose 19 with tongs 20, play the role of only liquid, easy to operate, sampling
It is convenient.Preferably, thief hole 2 is horizontally arranged is provided at least two, is vertically arranged at least two row of setting, can be by different
Thief hole 2 is sampled to containing the solution at 1 different depth of native pond, is carried out experiment detection by multidraw, is ensured experiment ginseng
Number is more complete.It contains to turn left equidistantly to arrange from the right side in native pond 1 and is provided with observation of groundwater levels pipe 21, observation of groundwater levels pipe 21
Side wall offers water seepage hole, and top is provided with pipe lid 22, and the height of water level in native pond 1 is contained by water level observation pipe observable.It contains
Native 1 side of pond is provided with level of ground water regulating reservoir 3, passes through top partition board with holes between level of ground water regulating reservoir 3 and the native pond 1 of Sheng
8 separate, and during simulated experiment, water can be passed freely through from the hole of top partition board 8, so that containing native pond 1 and level of ground water tune
Section pond 3 connects.3 side of level of ground water regulating reservoir is equipped with the level of ground water adjustment hole 4 being vertically arranged, each level of ground water adjustment hole
One level of ground water on 4 is installed and adjusts tap 5, tap 5 is adjusted by the level of ground water of different height, adjustably descends water level
Height.The top of level of ground water regulating reservoir 3 is provided with groundwater supply pond 6, is provided on groundwater supply pond 6 for ground
The groundwater supply water tap 7 that lower water level regulation pond 3 is supplied water, nitrogen phosphorus etc. needed for the interior experiment for configuration in groundwater supply pond 6
Certain density reagent supplies solution by groundwater supply water tap 7 into level of ground water regulating reservoir 3.Contain the another of native pond 1
Side is provided with lake stage regulating reservoir 9, is provided with bank slope module between lake stage regulating reservoir 9 and the native pond 1 of Sheng, bank slope module is used for
Simulate loke shore slope.If the bank slope gradient of test requirements document is 90 °, bottom end partition board with holes that bank slope module is vertically arranged
10, contain the card slot offered on native 1 bottom of pond and two side for installing bottom end partition board 10.In simulation process, native pond 1 is contained
Solution can be penetrated by the hole of bottom end partition board 10 in lake stage regulating reservoir 9, and the lake water in lake stage regulating reservoir 9 also can be from bottom end
The hole of partition board 10 enters in the native pond 1 of Sheng.The height of bottom end partition board 10 is highly consistent with containing the soil layer that native pond 1 is filled.If experiment will
90 ° of bank slope gradient ＜ is sought, then bank slope module builds module 11 for the bank slope of the corresponding gradient, and bank slope structure module 11 is used to simulate lake
Bank slope, the assembly and disassembly of module 11 are built by different gradient bank slope can realize that bank slope builds the gradient adjusting of module 11,
Meets during experiment the needs of to the bank slope gradient, bank slope builds module 11 without left side wall and bottom wall, and acclive wall surface is equal
It is even that hole is distributed with.9 bottom of lake stage regulating reservoir is provided with the card slot for installing bank slope module, is built convenient for different gradient bank slope
The disassembly and assembly of module 11 can realize that bank slope builds the gradient tune of module 11 by the assembly and disassembly of different gradient module
Section, come meet experiment during to the bank slope gradient the needs of.In simulation process, mould can be built by bank slope by containing the solution in native pond 1
The hole of block 11 is penetrated into lake stage regulating reservoir 9, and the lake water in 11 outside of bank slope structure module also can build 11 side of module from bank slope
The hole of wall enters in the native pond 1 of Sheng.The height of bank slope structure module 11 is highly consistent with containing the soil layer that native pond 1 is filled out, length with accordingly
The length of slope requirement is consistent.9 top of lake stage regulating reservoir is provided with lake water feed cistern 12, and lake water feed cistern 12 is interior to test institute
The deionized water needed, lake water feed cistern 12 are provided with the lake water feed cistern tap 13 for supplying water to lake stage regulating reservoir 9, lake
Water feed cistern 12 can be that lake stage regulating reservoir 9 provides water, by opening lake water feed cistern tap 13 into lake stage regulating reservoir 9
It supplies water, the wherein side of lake stage regulating reservoir 9 offers the lake stage adjustment hole 14 being vertically arranged, set on lake stage adjustment hole 14
There is lake stage adjustable tap 15, by the lake stage adjustable tap 15 on lake stage regulating reservoir 9, it can be achieved that lake stage is adjusted
Water level regulation in pond 9.The utility model is solved and can not be monitored at present under lake offshore farmland underground water-lake water interaction
The problem of pollutants such as nitrogen phosphorus are with subsurface flow space-time Transport, and the device is more convenient compared to field monitoring, cost
It is low, shorten the test period, reduce experiment work amount, improve test accuracy, can not only simulate lake offshore farmland underground water-lake water
The pollutants such as the nitrogen phosphorus under interaction with subsurface flow transition process, moreover it is possible to and then be the pollutants such as lake offshore farmland nitrogen phosphorus
The determining offer of flux of lake inflow is reasonable, the data of science.It, can be in addition, the utility model can not only observe the elements such as nitrogen phosphorus
Observe other water-soluble other elements.
Preferably, the card slot junction of bank slope structure module 11 and 9 bottom of lake stage regulating reservoir, bank slope structure mould
The bank slope slope surface of block 11 is both provided with sealing strip with the junction of lake water regulating reservoir both sides, avoids the occurrence of drainage, influences reality
Test result.
Utility model works principle and process：First according to the generation level of soil, the density according to the soil body in situ is being contained
The soil body is built in native pond 1, the bank slope gradient is determined before banketing, if the bank slope gradient of test requirements document is 90 °, directly uses bottom end
Partition board 10 is used as bank slope module, if 90 degree of bank slope slope foot ＜, the bank slope structure of the corresponding gradient of installation in lake stage regulating reservoir 9
Module 11 is used as bank slope module.Then in top partition board 8 with holes and bottom end partition board 10 or bank slope structure module 11 gradient with holes
Face covers the filtering nylon wire 18 of 2 layers of 0.25mm close to the side for containing native pond 1, and soil oozes out during preventing experiment.Then exist
It contains in native pond 1 and observation of groundwater levels pipe 21 is equidistantly installed, observation of groundwater levels pipe 21 will be higher by pre- depth of fill 10cm.To
The bank slope gradient asked is vertical, then need to only build native 1 soil body of pond of Sheng；If bank slope has certain slope, according to experiment to bank slope
The requirement of the gradient selects the bank slope structure module 11 suitable for the gradient, is installed in lake stage regulating reservoir 9.After installation is complete,
Level is occurred according to original position soil, is banketed in native pond 1 and bank slope structure module 11 is contained.After the completion of banketing, soil is allowed to stand 3
Month fully it is closely knit after start to test.Shallow groundwater and lake stage height are set according to test requirements document, general there are two types of feelings
Condition, shallow groundwater ＞ lake stages or shallow groundwater ＜ lake stages.It is tested stage by stage according to both of these case, it is first
Shallow groundwater ＞ lake stages are first set, water level are set according to the height of the level of ground water of test requirements document and lake stage, so
It is added in backward phreatic water feed cistern 6 and prepares certain density nitrogen or phosphorus solution, distillation is added in lake water feed cistern 12
Water, then groundwater supply water tap 7 and lake water feed cistern tap 13, to the level of ground water regulating reservoir 3 and lake water of both sides
It supplies water respectively in the regulating reservoir 9 of position, due to hydraulic gradient, the water in level of ground water regulating reservoir 3 can be penetrated into the native pond 1 of Sheng, pass through bank
Slope structure module 11 enters in lake stage regulating reservoir 9, in addition, the deionized water in lake stage regulating reservoir 9 is because of the difference of concentration
Also the diffusion of particle can occur.Then according to the time requirement of experimental design, respectively from the solution collection device for containing 1 side wall of native pond
Middle collection percolating fluid, in case the nitrogen phosphorus isoconcentration in monitoring percolating fluid, meanwhile, underground water is observed by observation of groundwater levels pipe 21
The variation of position.If shallow groundwater ＜ lake stages, set according to the height of the phreatic water of test requirements document and lake stage
Water level repeats above-mentioned experimentation.
Finally illustrate, preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can in the form and details make it various changes, without departing from the utility model claims book institute
The range of restriction.
Claims (8)
1. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction, it is characterised in that：The underground
Offshore farmland pollution object Migration Simulation device includes containing Tu Chi, solution collection device, observation of groundwater levels under water-lake water interaction
Pipe, level of ground water regulating reservoir, groundwater supply pond, lake stage regulating reservoir, bank slope module, lake water feed cistern；It is described to contain Tu Chi's
Thief hole is offered on front side wall, solution collection device is provided on thief hole, turning left equidistantly to arrange from the right side in Sheng Tuchi sets
Observation of groundwater levels pipe is equipped with, observation of groundwater levels pipe side wall offers water seepage hole, and top is provided with pipe lid, contains Tu Chi sides and sets
Level of ground water regulating reservoir is equipped with, is separated between level of ground water regulating reservoir and Sheng Tuchi by top partition board with holes, level of ground water
Regulating reservoir side is equipped with the level of ground water adjustment hole being vertically arranged, and level of ground water is provided on level of ground water adjustment hole and adjusts dragon
Head is provided with groundwater supply pond above level of ground water regulating reservoir, and groundwater supply is provided on pond for level of ground water
The groundwater supply water tap that regulating reservoir supplies water, the opposite side of Sheng Tuchi are provided with lake stage regulating reservoir, lake stage regulating reservoir
Bank slope module is provided between Sheng Tuchi, lake water feed cistern is provided with above lake stage regulating reservoir, is set on lake water feed cistern
The lake water feed cistern tap to supply water to lake stage regulating reservoir is useful for, lake stage regulating reservoir wherein side, which offers, to be vertically arranged
Lake stage adjustment hole, be provided with lake stage adjustable tap on lake stage adjustment hole.
2. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction according to claim 1,
It is characterized in that：The thief hole is horizontally arranged to be provided at least two, is vertically arranged at least two row of setting.
3. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction according to claim 1,
It is characterized in that：The solution collection device includes collecting pipe, stone, nylon wire, silica gel hose and tongs, collecting pipe setting
On thief hole, collecting pipe underfill stone, stone outer surface is equipped at least two layers of nylon wire, the setting of collecting pipe outer end
There is silica gel hose, tongs are provided on silica gel hose.
4. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction according to claim 1,
It is characterized in that：Bank slope module is provided between the lake stage regulating reservoir and Sheng Tuchi, when bank slope slope foot is 90 °, bank slope
The bottom end partition board with holes that module is vertically arranged.
5. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction according to claim 1,
It is characterized in that：Bank slope module is provided between the lake stage regulating reservoir and Sheng Tuchi, as 90 ° of bank slope slope foot ＜, lake water
The bank slope structure module with inclined-plane is provided in the regulating reservoir of position, bank slope builds module without left side wall and bottom wall, the wall surface with inclined-plane
It is evenly distributed with hole.
6. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction according to claim 4,
It is characterized in that：The card slot for installing bottom end partition board is offered in the native bottom of pond portion of the Sheng and two side.
7. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction according to claim 5,
It is characterized in that：The lake stage regulating reservoir bottom is provided with the card slot for installing bank slope module.
8. offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction according to claim 7,
It is characterized in that：The bank slope structure module and the card slot junction of lake stage regulating reservoir bottom, the bank slope of bank slope structure module
Slope surface and the junction of lake water regulating reservoir both sides are both provided with sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722204.1U CN207528591U (en) | 2017-12-12 | 2017-12-12 | Offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722204.1U CN207528591U (en) | 2017-12-12 | 2017-12-12 | Offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction |
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| Publication Number | Publication Date |
|---|---|
| CN207528591U true CN207528591U (en) | 2018-06-22 |
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ID=62578608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721722204.1U Active CN207528591U (en) | 2017-12-12 | 2017-12-12 | Offshore farmland pollution object Migration Simulation device under a kind of underground water-lake water interaction |
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| Country | Link |
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| CN (1) | CN207528591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289419A (en) * | 2020-03-24 | 2020-06-16 | 中南大学 | Measuring device for engineering barrier membrane effect in heavy metal pollution site |
| CN115655981A (en) * | 2022-12-14 | 2023-01-31 | 成都理工大学 | Pollutant migration test system and method under water flow and water flow force alternation of submerged lake |
-
2017
- 2017-12-12 CN CN201721722204.1U patent/CN207528591U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289419A (en) * | 2020-03-24 | 2020-06-16 | 中南大学 | Measuring device for engineering barrier membrane effect in heavy metal pollution site |
| CN111289419B (en) * | 2020-03-24 | 2021-03-02 | 中南大学 | Measuring device for engineering barrier membrane effect in heavy metal pollution site |
| CN115655981A (en) * | 2022-12-14 | 2023-01-31 | 成都理工大学 | Pollutant migration test system and method under water flow and water flow force alternation of submerged lake |
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