CN208350564U - It is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant - Google Patents

It is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant Download PDF

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Publication number
CN208350564U
CN208350564U CN201820686074.9U CN201820686074U CN208350564U CN 208350564 U CN208350564 U CN 208350564U CN 201820686074 U CN201820686074 U CN 201820686074U CN 208350564 U CN208350564 U CN 208350564U
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China
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groove body
migration
pollutant
aquifer
converted
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Expired - Fee Related
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CN201820686074.9U
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Chinese (zh)
Inventor
段艳华
刘崇炫
甘义群
于凯
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Southwest University of Science and Technology
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Southwest University of Science and Technology
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Abstract

The utility model provide it is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, including groove body, left and right ends in the slot of the groove body are respectively equipped with the porous flapper of uniform cloth hole, the porous flapper can the quantity in hole and position on controllable register as needed, or it directly takes out, water level control box is installed outside the slot of the groove body, the water level control box is connect by elevating mechanism with the groove body, the water level control box in hose and the slot of the groove body by connecting, the front of the groove body is evenly arranged with multiple sampling holes, each sampling hole is respectively connected with sampler.The beneficial effects of the utility model are: migration path and migration rate of the target contaminant in seepage field can intuitively be reacted;The dynamic monitoring to point target pollutant concentrations different in seepage field and related chemistry index can be achieved, to infer the physical and chemical reaction that target contaminant occurs in migration process.

Description

It is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant
Technical field
The utility model relates to sand launder device more particularly to one kind can meticulous depiction pollutant convert in Migration In Aquifer Sand launder device.
Background technique
Indoor sand launder device is usually used in traditional groundwater flow system physical simulation experiment, passes through difference in monitoring sand launder The head of position draws the drift net in seepage field, to reflect the flow direction of subsurface flow, the permeability of water-bearing media, seepage velocity And the relevant informations such as size of flow.In addition, the migration of polluter can also be tracked using drift net.Utilizing traditional ground When lower water flow simulation device probes into the migration of polluter, since most of peephole needs to connect with survey pressing plate, it is difficult to realize The dynamic monitoring of different point pollutant concentrations and related chemistry index in seepage field;In addition, copper used in traditional demonstrator Sighting tube bore processed is big, and the length inside insertion groove body is short, is easy to be influenced by side wall stream in simulation process, and be used for a long time Copper pipe is subject to corrode in journey, causes to leak.In order to migration path of the intuitive reaction contaminant in seepage field and Migration rate, and the concentration of different point pollutants and relevant chemical index in dynamic monitoring seepage field, to infer pollution The physical and chemical reaction that object occurs in migration process, it is necessary to traditional Simulation of Groundwater Flow device is improved, if Count it is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant.
Summary of the invention
In order to solve the problems in the prior art, the utility model provide one kind can meticulous depiction pollutant in water-bearing layer The sand launder device of middle Transport And Transformation.
The utility model provide it is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, including Groove body, the left and right ends in the slot of the groove body are respectively equipped with the porous flapper of uniform cloth hole, the porous flapper Can the quantity in hole and position on controllable register as needed, or directly take out, water level control box be installed outside the slot of the groove body, The water level control box is connect by elevating mechanism with the groove body, and the water level control box passes through the slot of hose and the groove body Interior connection, the front of the groove body are evenly arranged with multiple sampling holes, and each sampling hole is respectively connected with sampler.
The sampler includes syringe needle, sealing-plug, connector, two-way valve as a further improvement of the utility model, And syringe, the sealing-plug are arranged in the sampling hole and seal the sampling hole, the connector and the sealing-plug Connection, the syringe are connect by the two-way valve with the syringe needle, and the syringe needle passes through the sealing-plug and is located at described In the slot of groove body.
The connector is threadedly coupled with the sampling hole as a further improvement of the utility model,.
The groove body is that organic glass glues upper end opening, inside from made of as a further improvement of the utility model, Hollow cuboid.
Branch guard bar is connected at the upper end opening of the groove body as a further improvement of the utility model,.
As a further improvement of the utility model, the water level control box there are two and be located at the two of the groove body Side, each water level control box passes through to be connect in hose and the slot of the groove body.
The water level control box is connected with water inlet pipe and drainpipe as a further improvement of the utility model, it is described into Water pipe is connected with peristaltic pump by hose, and the peristaltic pump is connected with simulated solution holding vessel, and the drainpipe is connected with waste liquid receipts Collect tank.
Simulation pumped well is installed as a further improvement of the utility model, the simulation is taken out in the slot of the groove body The lower end of well is equipped with water inlet end, and the upper end of the simulation pumped well is connected with the peristaltic pump that draws water by hose, it is described draw water it is compacted Dynamic pump is connected with sample timing automatic collector.
The simulation that multiple and different depth are equipped in the slot of the groove body as a further improvement of the utility model, is drawn water Well.
The simulation pumped well is lucite tube as a further improvement of the utility model,.
The beneficial effects of the utility model are:
(1) migration path and migration rate of the target contaminant in seepage field can intuitively be reacted;
(2) dynamic monitoring to point target pollutant concentrations different in seepage field and related chemistry index can be achieved, from And infer the physical and chemical reaction that target contaminant occurs in migration process;
(3) analog mankind pumping activity to target contaminant Migration In Aquifer approach and migration rate influence, Realize that field large scale studies the conversion to indoor small scale fine analog.
Detailed description of the invention
Fig. 1 is that the utility model one kind can the signal of sand launder device that converts in Migration In Aquifer of meticulous depiction pollutant Figure.
Fig. 2 is schematic diagram when the utility model sampler does not sample.
Schematic diagram when Fig. 3 is the sampling of the utility model sampler.
1 is groove body in the figure, and 2 be branch guard bar, and 3 be simulation pumped well, and 4 be water level control box, and 5 be water inlet pipe, and 6 be row Water pipe, 7 be sampling hole, and 8 be the porous flapper of organic glass, and 9 be stainless steel syringe needle, and 10 be sealing-plug, and 11 mould for external screw thread Expect connector, 12 be two-way valve, and 13 be syringe.
Specific embodiment
The utility model is described in further detail for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, it is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, including Groove body 1, branch guard bar 2, simulation pumped well 3, the porous flapper 8 of organic glass, water level control box 4, water inlet pipe 5, drainpipe 6, Sampling hole 7 and sampler.In the present embodiment, groove body 1 is rectangular for upper end opening, inner hollow made of organic glass seal Body, wherein long 50 cm, wide 8 cm, high 40 cm, organic glass with a thickness of 1 cm.Groove body 1 is during the experiment in order to prevent Deformation is connected with branch guard bar 2 in the open end of groove body 1, and branch guard bar 2 is the Organic glass column of 1.5 cm of diameter, and both ends are by plastics Nut is fixed on groove body 1.
As shown in Figure 1 to Figure 3, it is each provided with inside groove body 1 away from left and right ends (side in width direction) 5 position cm The porous flapper 8 of the organic glass of one piece of movable uniform cloth hole, the porous flapper 8 of organic glass with a thickness of 1 cm, Height is 35 cm, can install as needed in experimentation, take out the porous flapper of organic glass, or adjust organic glass The quantity in hole and position on porous flapper.In the present embodiment, porous 8 lower end of flapper, 0 to 25 cm of organic glass is puted up Waterproof sheet plastic forms waterproof portion, and 25 to 35 cm of upper end, the nylon wire for putting up 200 mesh forms permeable part, on reaching Hold permeable, the fluid-tight purpose in lower end.The position that the porous flapper 8 of organic glass is connected with groove body 1, with silicone rubber seal, Prevention and treatment leakage.
1 outside left and right ends of groove body are respectively equipped with water level control box 4.In the present embodiment, water level control box 4 is by 0.5 cm thickness Organic glass seal form, be the cuboid of upper end opening, wherein long 12 cm, wide 8 cm, high 8 cm, in water level control box 4 Portion middle position width direction is equipped with the baffle of high 5 cm, for excluding extra water during water level regulation.Water level control Case 4 can be moved up and down by elevating mechanism, and be fixed on the side of 1 length direction of groove body by plastic nut.Water level control box 4 It is connected by hose with groove body 1, water inlet pipe 5 and drainpipe 6.In the present embodiment, 1 left end of groove body is water inlet end, and right end is draining End, water inlet pipe 5 are connected by hose with peristaltic pump and simulated solution holding vessel, and drainpipe 6 is connected with waste collection tank.
(side on length direction) is uniformly distributed the front of groove body 1 30 sampling holes 7, and institute is arranged at sampling hole 7 Sampler is stated, sampler includes stainless steel syringe needle 9, sealing-plug 10, external screw thread plastic connector 11, two-way valve 12 and injection Device 13.30 sampling holes are divided into 6 rows 5 column, are separated by 5 cm between every row's sampling hole 7, and each column is separated by 7.5 cm, wherein left and right two Column sampling hole 7 and the porous flapper 8 of organic glass are separated by 5 cm, and lower end first row sampling hole 7 and 1 bottom plate of groove body are separated by 5 cm.By sampling hole 7 and the sampler, different point pollutant concentrations and related chemistry index in seepage field are realized Dynamic monitoring, thus migration path and migration rate of the reaction contaminant in seepage field, and infer pollutant in migration process The physical and chemical reaction of middle generation.
In the present embodiment, the simulation pumped well 3 of 3 different depths is also equipped with inside groove body 1, simulation pumped well 3 is Lucite tube, internal diameter are 2.5 mm, and only lower end length is that the position of 1 cm can intake, and upper end passes through hose and the wriggling that draws water Pump is connected with sample timing automatic collector, should be designed for studying mankind's pumping activity to pollutant on Migration In Aquifer way The influence of diameter and migration rate.
One kind provided by the utility model can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, mainly The course of work is as follows:
1, sample is filled.According to the actual aquifer structure sectional view in field, by the quartz sand (50 mesh to 200 mesh) of different-grain diameter With artificial synthesized clay according to a certain percentage and in sequence filling groove body 1, dress sample height is about 30 cm, wherein 0 to 21 cm For layer of sand, 21 to 29 cm are argillic horizon, and 29 to 30 cm are bulky grain quartz, prevent and treat the floating of clay in experimentation.Experiment Quartz sand used uses strong acid, highly basic, hydrogen peroxide dipping in advance, and is rinsed to conductivity with deionization less than 10 μ s/cm, with Remove impurity therein.During filling sample, guarantee percent consolidation as far as possible is consistent, and according to the actual situation, clay is filled in layer of sand Lenticular body fills tiny preferential circulation road in argillic horizon with flour sand.
2, exhaust and full water.The simulated solution for being not added with target contaminant arsenic (As) is pumped into through most deep simulation pumped well 3, For the water inlet end of this simulation pumped well 3 close to the bottom plate of groove body 1, the rate being pumped into is 2 ml/min, until the stone filled in groove body 1 Sand and the completely full water of clay, complete the exhaust of groove body 1.
3, the non-water pumping experiment stage.The water outlet of close simulation pumped well 3 will be added with target contaminant As and bromide ion The simulated solution of tracer is passed through in groove body 1 by water inlet pipe 5 and water level control box 4, and outle water rate is 2 ml/min.Adjust left and right two The height of a water level control box 4, makes the liquid level in groove body 1 maintain the height of 32 cm, that is, is higher by 1 inner stuffing of groove body about 2 cm.Timing acquires the samples of different points from sampling hole 7 using sampler, and measure in time target contaminant As concentration, Form and relevant chemical index (Br-, pH, ORP, EC, DO).
4, the water pumping experiment stage.The water outlet of simulation pumped well 3 is opened, it is different to extract groove body 1 with the rate of 1 ml/min The simulated solution of depth, and the simulated solution extracted out with automatic collector timed collection monitor target contaminant As in Extract and contain Amount, simulation monitoring well 3 can draw water simultaneously or isolated operation.Meanwhile different points periodically are acquired from sampling hole 7 using sampler Sample, and in time measure target contaminant As concentration, form and relevant chemical index.
5, the tracer experiment stage.3 Extract of pumped well to be simulated and the target contaminant from the sample acquired in sampling hole 7 After the concentration of As is stablized, red ink is added in water inlet solution, continues the flowing for observing simulated solution in groove body under pumping action Path and rate.
One kind provided by the utility model can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, have Following advantages:
(1) migration path and migration rate of the target contaminant in seepage field can intuitively be reacted;
(2) dynamic monitoring to point target pollutant concentrations different in seepage field and related chemistry index can be achieved, from And infer the physical and chemical reaction that target contaminant occurs in migration process;
(3) analog mankind pumping activity to target contaminant Migration In Aquifer approach and migration rate influence;
(4) realize that field large scale studies the conversion to indoor small scale simulation, to plurality of target pollutant in water-bearing layer The mechanism of middle Transport And Transformation carries out scrutiny, is with a wide range of applications.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the protection scope of the utility model.

Claims (10)

1. one kind can the sand launder device that converts in Migration In Aquifer of meticulous depiction pollutant, it is characterised in that: including groove body, institute The porous flapper that the left and right ends in the slot of groove body are respectively equipped with uniform cloth hole is stated, water level is installed outside the slot of the groove body Control cabinet, the water level control box are connect by elevating mechanism with the groove body, the water level control box pass through hose with it is described Connection, the front of the groove body are evenly arranged with multiple sampling holes in the slot of groove body, and each sampling hole is respectively connected with sampling Device.
2. it is according to claim 1 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature Be: the sampler includes syringe needle, sealing-plug, connector, two-way valve and syringe, and the sealing-plug setting takes described In sample hole and seal the sampling hole, the connector is connect with the sealing-plug, the syringe by the two-way valve with The syringe needle connection, the syringe needle pass through the sealing-plug and are located in the slot of the groove body.
3. it is according to claim 2 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature Be: the connector is threadedly coupled with the sampling hole.
4. it is according to claim 1 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature Be: the groove body is the cuboid that organic glass glues upper end opening, inner hollow from made of.
5. it is according to claim 4 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature It is: is connected with branch guard bar at the upper end opening of the groove body.
6. it is according to claim 1 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature Be: there are two the water level control boxes and is located at the two sides of the groove body, and each water level control box passes through soft It is connect in pipe and the slot of the groove body.
7. it is according to claim 6 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature Be: the water level control box is connected with water inlet pipe and drainpipe, and the water inlet pipe is connected with peristaltic pump by hose, described compacted Dynamic pump is connected with simulated solution holding vessel, and the drainpipe is connected with waste collection tank.
8. it is according to claim 1 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature It is: simulation pumped well is installed in the slot of the groove body, the lower end of the simulation pumped well is equipped with water inlet end, and the simulation is taken out The upper end of well is connected with the peristaltic pump that draws water by hose, and the peristaltic pump that draws water is connected with sample timing automatic collector.
9. it is according to claim 8 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature It is: the simulation pumped well of multiple and different depth is installed in the slot of the groove body.
10. it is according to claim 8 can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant, feature Be: the simulation pumped well is lucite tube.
CN201820686074.9U 2018-05-09 2018-05-09 It is a kind of can the sand launder device that is converted in Migration In Aquifer of meticulous depiction pollutant Expired - Fee Related CN208350564U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110749703A (en) * 2019-11-05 2020-02-04 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) Method for simulating sandstone thermal storage geothermal tail water recharge and tracing experiment
CN111638166A (en) * 2020-05-29 2020-09-08 河海大学 Model device for researching pollutant seepage law
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN110749703A (en) * 2019-11-05 2020-02-04 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) Method for simulating sandstone thermal storage geothermal tail water recharge and tracing experiment
CN110749703B (en) * 2019-11-05 2022-08-16 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) Method for simulating sandstone thermal storage geothermal tail water recharge and tracing experiment
CN111638166A (en) * 2020-05-29 2020-09-08 河海大学 Model device for researching pollutant seepage law

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