CN209055440U - A kind of permeable reactive wall experimental rig handling underground pollution water - Google Patents
A kind of permeable reactive wall experimental rig handling underground pollution water Download PDFInfo
- Publication number
- CN209055440U CN209055440U CN201821782234.6U CN201821782234U CN209055440U CN 209055440 U CN209055440 U CN 209055440U CN 201821782234 U CN201821782234 U CN 201821782234U CN 209055440 U CN209055440 U CN 209055440U
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- China
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- experimental rig
- sand launder
- underground pollution
- pollution water
- permeable reactive
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Abstract
The utility model discloses it is a kind of handle underground pollution water permeable reactive wall experimental rig, including for storing initial soln liquid storing barrel, test groove body and be used for inlet tube connecting the two, the inlet tube be equipped with peristaltic pump；The test groove body is rectangular-shape, is divided into five groove bodies by 4 mesh grilles；Five groove bodies are followed successively by intake chamber, sand launder one, reactive tank, sand launder two and effluent trough from left to right；The mesh grille difference is detachable to be set in above-mentioned five groove bodies；It further include probe tube and pressure-measuring pipe, the length inside the probe tube insertion sampling hole is 5cm, and the length stayed in outside sampling hole is 3cm.The utility model provides a kind of permeable reactive wall experimental rig for handling underground pollution water, it can realize water distribution uniformity by the arrangement of sand launder one and sand launder two, while the setting of sampling hole and probe tube guarantees the influence that can effectively avoid boundary effect and boundary current in sampling process.
Description
Technical field
The utility model relates to underground water pollutions to control field of engineering technology, in particular to a kind of processing underground pollution water
Permeable reactive wall experimental rig.
Background technique
Remedy Technology of Contaminated Groundwater of the permeable reactive barrier (PRB) as great prospect.It is repaired compared to traditional dystopy
Multiple means, PRB technology provides a possibility that capturing and handling in situ, and continuous and effective removes water pollutant, operational process
Without additionaling power, have many advantages, such as that efficiently convenient, economical and practical, environmental perturbation is small.PRB is generally positioned at aquifer,
Be mounted on the downstream of underground water pollution, keep it vertical with the holding of natural flows direction, when underground water by when institute's band pollution with it is anti-
The effects of absorption, precipitating or degradation occur for packing medium in area is answered, is purified water to reach.
PRB is ground in-situ continuously permeable conversion zone, and by physics, the modes such as chemistry or biodegrade are to intercept
With reparation groundwater pollutant, it includes heavy metal, inorganic matter, organic matter and radiation that it can handle a plurality of types of pollutants simultaneously
Property nucleic etc..Wherein studying more pollution mainly has the heavy metals such as cadmium, manganese, lead, arsenic, nickel, copper, mercury, nitrate nitrogen, nitrous acid
The inorganic pollutions such as salt nitrogen, fluoride, organic dirt such as by-product of POPs, Polychlorinated biphenyls, insecticide, fungicide and other chemicals
Dye, the radionuclides such as uranium, radium, thorium, radon.
PRB repair mechanisms include absorption, precipitating, redox and biodegrade etc..By structure type, PRB can be divided
For water proof funnel-water guide gate-type, continuous wall, injector well formula, the passive collection type of reaction member；By reaction mechanism characteristic, can divide
For hybrid reaction wall more than physical absorption reaction wall, chemical reaction wall, bio-degradation reactions wall and the two, for different pollutions
Source selects best packing medium.
PRB recovery project must carry out indoor simulation to practical pollute before building on the spot, be actually subjected to judging whether to meet
It asks and adjusts amendment.PRB simulator used in existing laboratory experiment is more, is mostly research with different medium reparation
Different medium repairing performance, temperature, the influence factors such as pH value are only studied in center, and ignore device itself and hydrogeology because
Element influences.PRB simulation indoor experimental apparatus need to avoid boundary current effect, generate boundary current in device operation, influence subsurface flow
, boundary effect influences absorption of the medium to pollutant.Change of water level influences water velocity greatly, to monitor its change in reactive tank
Change is of great importance.
In conclusion needing to design a kind of permeable reactive wall for handling underground pollution water for overcoming above-mentioned technical problem at present
Experimental rig.
Utility model content
The purpose of the utility model is to provide a kind of permeable reactive wall experimental rigs for handling underground pollution water, can lead to
The arrangement for crossing sand launder one and sand launder two realizes water distribution uniformity, while the setting of sampling hole and probe tube guarantees in sampling process
It can effectively avoid the influence of boundary effect and boundary current.
To achieve the goals above, the technical scheme adopted by the utility model is that: it is a kind of handle underground pollution water infiltration
Reaction wall experimental rig,
Including for storing initial soln liquid storing barrel, test groove body and be used for inlet tube connecting the two, it is described into
Liquid pipe is equipped with peristaltic pump；
The test groove body is rectangular-shape, is divided into five groove bodies by 4 mesh grilles；Five groove bodies from left to right according to
Secondary is intake chamber, sand launder one, reactive tank, sand launder two and effluent trough；
The mesh grille difference is detachable to be set in above-mentioned five groove bodies；
It further include probe tube and pressure-measuring pipe, the probe tube is set to the front side wall of test groove body with the distribution of 6 × 7 matrix forms
In interior sampling hole；The pressure-measuring pipe is arranged in the pressure tap in the rear wall of test groove body with the distribution of 6 × 7 matrix forms；
Length inside the probe tube insertion sampling hole is 5cm, and the length stayed in outside sampling hole is 3cm.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above a, wherein left side for the intake chamber
The top and bottom of side wall are respectively equipped with three overflow pipes and three water filling ports, and top is equipped with water inlet pipe one；
The top and bottom of the right side wall of the effluent trough are respectively equipped with six outlet pipes and three flushing pipes.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above, wherein the mesh grille packet
Include partition and the gauze for being respectively arranged on the partition two sides；
The partition is net-like spacer；The mesh grille is arranged at the fluting opened up on each groove body inner wall.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above, wherein the fluting is six,
Wherein four junctions for being respectively arranged on each groove body, two other are respectively arranged on the left and right two away from sampling hole 18cm at center
Place.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above, wherein the sampling hole includes 7
Column, the quantity of each column are 6；Wherein, two column sampling holes are respectively arranged in sand launder one and sand launder two；On intermediate reactive tank uniformly
Equipped with 5 column sampling holes；
Each probe tube passes through an extension tube and connect with sampling analysis instrument.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above, wherein the pressure tap is 7
Column, the quantity of each column are 6；The pressure tap of 2 column is respectively arranged in sand launder one and sand launder two；It is uniformly provided on intermediate reactive tank
5 column pressure taps；
Each pressure-measuring pipe passes through a connecting tube and connect with measuring cell.
A kind of permeable reactive wall experimental rig for handling underground pollution water as described above, wherein the intake chamber and go out
The size of sink is equal are as follows: 50 × 200 × 400mm；
The size of the sand launder one and sand launder two is equal are as follows: 30 × 200 × 400mm；
The size of the reactive tank is；1000×200×400mm.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above, wherein the sand launder one and sand
Filler in slot two is quartz sand.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above, wherein in the reactive tank
Filler is quartzy sand load hydroxyapatite.
A kind of permeable reactive wall experimental rig handling underground pollution water as described above, wherein anti-in the reactive tank
The porosity for answering dielectric layer is 0.36~0.40.
Compared with prior art, the beneficial effect that the utility model generates is mainly reflected in:
A kind of permeable reactive wall experimental rig handling underground pollution water provided by the utility model, is uniformly distributed multiple row and takes
Sample hole is on each groove body；Probe tube is entered into groove body 5cm, protrudes 3cm, can effectively avoid in sampling process boundary effect and
The influence of boundary current；
A kind of permeable reactive wall experimental rig handling underground pollution water provided by the utility model, passes through sand launder one and sand
The setting of slot two fills quartz sand in sand launder one and sand launder two, to realize the function of water distribution uniformity；
A kind of permeable reactive wall experimental rig handling underground pollution water provided by the utility model, is respectively set netted lattice
Grid are set as between different reaction medium between two adjacent groove bodies；Ensure material purity, will not influence cross section
Cross water speed.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the permeable reactive wall experimental rig of processing underground pollution water of the utility model；
Fig. 2 is the structural schematic diagram for testing groove body；
Fig. 3 is the sectional view for testing groove body；
Fig. 4 is the top view for testing groove body；
Fig. 5 is the structural schematic diagram of mesh grille；
Description of symbols:
1, liquid storing barrel 2, test groove body 3, inlet tube
4, peristaltic pump 5, mesh grille 6, intake chamber
7, sand launder 1, reactive tank 9, sand launder two
10, effluent trough 11, probe tube 12, pressure-measuring pipe
13, overflow pipe 14, water filling port 15, outlet pipe
16, flushing pipe 17, water inlet pipe 18, partition
19, gauze 20, fluting 21, sampling hole
22, pressure tap
Specific embodiment
The purpose of this utility model, technical solution and its effect in order to facilitate understanding, now will be in conjunction with the embodiments practical to this
It is novel to be elaborated further.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the permeable reactive wall test of a kind of processing underground pollution water of the utility model
Device, including for storing initial soln liquid storing barrel 1, test groove body 2 and be used for inlet tube 3 connecting the two, it is described into
Liquid pipe 3 is equipped with peristaltic pump 4；The test groove body 2 is rectangular-shape, is divided by 4 mesh grilles 5 for five groove bodies；Five
Groove body is followed successively by intake chamber 6, sand launder 1, reactive tank 8, sand launder 29 and effluent trough 10 from left to right；The mesh grille 5 divides
It is not detachable to be set in above-mentioned five groove bodies；It further include probe tube 11 and pressure-measuring pipe 12, the probe tube 11 is with 6 × 7 matrixes
Formula distribution is set in the sampling hole 21 in the front side wall of test groove body 2；The pressure-measuring pipe 12 is distributed with 6 × 7 matrix forms to be arranged
In the pressure tap 22 in the rear wall of test groove body 2；The length that the probe tube 11 is inserted into inside sampling hole 21 is 5cm, is stayed
Length outside sampling hole 21 is 3cm.
A kind of permeable reactive wall experimental rig handling underground pollution water provided by the utility model, in the process used
In:
Initial soln enters intake chamber 6 by the water inlet pipe 17 on 6 top of intake chamber under the action of peristaltic pump 4；When this is initial
When solution enters sand launder 1 from intake chamber 6, due to filling up quartz sand in sand launder 1, therefore solution can shape after entering sand launder 1
At uniform water, then enter back into reactive tank 8；Polluted water body carries out physics, chemistry by the reaction medium in reactive tank 8
The effects of absorption, the pollutant passed through in reactive tank 8 are purified, and treated water body will be by going out on effluent trough 10
Water pipe 15 flows out；
Sampling operation: during above-mentioned contamination data analysis, a probe tube 11 is inserted on each sampling hole 21, respectively
A probe tube 11 is connect by an extension tube with sampling analysis instrument；When sampling, to guarantee that institute's water sampling is in stable state shape
Taken out under condition, then need to follow from top to bottom, from outflow end to flow into extreme direction be sampled；It is carried out after the completion of sampling dense in real time
Degree detection, and the adsorption process of entire reactive tank 8 and the processing capacity of reaction wall are obtained by breakthrough curve；
It surveys press operation: being inserted with a pressure-measuring pipe 12 on each pressure tap 22, pressure-measuring pipe 12 by a connecting tube and is surveyed
Press instrument connection；Measuring cell can in real time detect the SEA LEVEL VARIATION in groove body, and the infiltration of groove body is understood by SEA LEVEL VARIATION
Property variation and can pass through and calculate the corresponding hydrogeological parameter of acquisition.
It should be understood that pressure-measuring pipe 12 is consistent with height and position set by probe tube 11, pressure-measuring pipe 12 can measure institute
Outside the water level of position, moreover it is possible to when monitoring sampling, the influence of sampling velocity, sample time to water level.
As shown in Figure 2 and Figure 4, the permeable reactive wall experimental rig of a kind of processing underground pollution water of the utility model, institute
The top and bottom for stating the left side wall of intake chamber 6 are respectively equipped with three overflow pipes 13 and three water filling ports 14, top be equipped with into
17 1, water pipe；The top and bottom of the right side wall of the effluent trough 10 are respectively equipped with six outlet pipes 15 and three flushing pipes
16。
A kind of permeable reactive wall experimental rig of processing underground pollution water of the utility model, 13 principal security water of overflow pipe
Constant level is discharged if having superfluous water by overflow pipe 13 in setting water level in slot；Water filling port 14 is then carried out to test groove body 2
Carried out when full water using；Outlet pipe 14 is mainly used cooperatively with overflow pipe 13, and 2 water flow of guarantee test groove body is in constant hydraulic gradient
Degree state；Flushing pipe 16 is used cooperatively when backwashing to test groove body 2 with outlet pipe 15.
As shown in figure 5, a kind of permeable reactive wall experimental rig of processing underground pollution water of the utility model, described netted
Grid 5 includes partition 18 and the gauze 19 for being respectively arranged on 18 two sides of partition；The partition 18 is net-like spacer 18；The net
Shape grid 5 is arranged at the fluting 20 opened up on each groove body inner wall；
A kind of permeable reactive wall experimental rig of processing underground pollution water of the utility model, the fluting 20 is six,
Wherein four junctions for being respectively arranged on each groove body, two other are respectively arranged on the left and right away from the 18cm of sampling hole 21 at center
At two.
A kind of permeable reactive wall experimental rig of processing underground pollution water of the utility model, 5 activity of mesh grille
It is installed in test groove body 2；Mesh grille 5 can be adjusted its position in six flutings 20 as needed；Setting fluting 20
It is used cooperatively with movable mesh grille 5, the variable amounts of reaction medium can be achieved in the use of mesh grille 5 and reaction is situated between
The compound quantity of matter, and the gauze 19 of 5 two sides of mesh grille can guarantee that intersection and mixing will not be generated in filled media, to protect
Each material purity is demonstrate,proved, and will not influence the water speed excessively in cross section.
As shown in Figure 1, Figure 2 and Figure 3, a kind of permeable reactive wall of processing underground pollution water of the utility model tests dress
It sets, the sampling hole 21 includes 7 column, and the quantity of each column is 6；Wherein, two column sampling holes 21 are respectively arranged on sand launder 1 and sand launder
In 29；5 column sampling holes 21 are uniformly provided on intermediate reactive tank 8；Each probe tube 11 passes through an extension tube and sampling analysis
Instrument connection.
As shown in Figure 1, Figure 2 and Figure 3, a kind of permeable reactive wall of processing underground pollution water of the utility model tests dress
It sets, the pressure tap 22 is 7 column, and the quantity of each column is 6；The pressure tap 22 of 2 column is respectively arranged in sand launder 1 and sand launder 29；
5 column pressure taps 22 are uniformly provided on intermediate reactive tank 8；Each pressure-measuring pipe 12 is connect by a connecting tube with measuring cell.
As preferred embodiment, a kind of permeable reactive wall experimental rig of processing underground pollution water of the utility model,
The sampling hole 21 is in 6 × 7 matrix arrangement in the front side wall for testing groove body 2；The pressure tap 22 is arranged in examination in 6 × 7
On the rear wall of check of foundation subsoil body 2；Guarantee to be equipped with 1 column probe tube 11 and pressure-measuring pipe 12 in sand launder 1 and sand launder 29, while anti-
It answers and 5 column probe tubes 11 and pressure-measuring pipe 12 is distributed in slot 8；
As preferred embodiment, a kind of permeable reactive wall experimental rig of processing underground pollution water of the utility model,
The size of the intake chamber 6 and effluent trough 10 is equal are as follows: 50 × 200 × 400mm；The size of the sand launder 1 and sand launder 29 is equal
Are as follows: 30 × 200 × 400mm；The size of the reactive tank 8 is；1000×200×400mm.
As shown in Figures 2 and 3, the permeable reactive wall experimental rig of a kind of processing underground pollution water of the utility model, institute
Stating the filler in sand launder 1 and sand launder 29 is quartz sand.
As shown in Figures 2 and 3, the permeable reactive wall experimental rig of a kind of processing underground pollution water of the utility model, institute
The filler in reactive tank 8 is stated as quartzy sand load hydroxyapatite.
As shown in Figures 2 and 3, the permeable reactive wall experimental rig of a kind of processing underground pollution water of the utility model, institute
The porosity for stating reaction medium layer in reactive tank 8 is 0.36~0.40.
Further narration is done to the utility model above in conjunction with embodiment, but the utility model is not limited to above-mentioned reality
Mode is applied, within the knowledge of one of ordinary skill in the art, the utility model aims can also not departed from
Under the premise of make a variety of changes.
Claims (10)
1. a kind of permeable reactive wall experimental rig for handling underground pollution water, it is characterised in that:
Including for storing initial soln liquid storing barrel, test groove body and be used for inlet tube connecting the two, the inlet tube
It is equipped with peristaltic pump；
The test groove body is rectangular-shape, is divided into five groove bodies by 4 mesh grilles；Five groove bodies are followed successively by from left to right
Intake chamber, sand launder one, reactive tank, sand launder two and effluent trough；
The mesh grille difference is detachable to be set in above-mentioned five groove bodies；
It further include probe tube and pressure-measuring pipe, the probe tube is set in the front side wall of test groove body with the distribution of 6 × 7 matrix forms
In sampling hole；The pressure-measuring pipe is arranged in the pressure tap in the rear wall of test groove body with the distribution of 6 × 7 matrix forms；
Length inside the probe tube insertion sampling hole is 5cm, and the length stayed in outside sampling hole is 3cm.
2. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 1, it is characterised in that:
The top and bottom of the left side wall of the intake chamber are respectively equipped with three overflow pipes and three water filling ports, top be equipped with into
One, water pipe；
The top and bottom of the right side wall of the effluent trough are respectively equipped with six outlet pipes and three flushing pipes.
3. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 2, it is characterised in that:
The mesh grille includes partition and the gauze for being respectively arranged on the partition two sides；
The partition is net-like spacer；The mesh grille is arranged at the fluting opened up on each groove body inner wall.
4. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 3, it is characterised in that:
The fluting is six, wherein four are respectively arranged on the junction of each groove body, two other is respectively arranged on away from center
About sampling hole 18cm.
5. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 4, it is characterised in that:
The sampling hole includes 7 column, and the quantity of each column is 6；Wherein, two column sampling holes are respectively arranged on sand launder one and sand launder two
It is interior；5 column sampling holes are uniformly provided on intermediate reactive tank；
Each probe tube passes through an extension tube and connect with sampling analysis instrument.
6. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 4, it is characterised in that:
The pressure tap is 7 column, and the quantity of each column is 6；The pressure tap of 2 column is respectively arranged in sand launder one and sand launder two；It is intermediate
Reactive tank on be uniformly provided with 5 column pressure taps；
Each pressure-measuring pipe passes through a connecting tube and connect with measuring cell.
7. a kind of permeable reactive wall test dress of processing underground pollution water described in any one of -6 claims according to claim 1
It sets, it is characterised in that:
The size of the intake chamber and effluent trough is equal are as follows: 50 × 200 × 400mm；
The size of the sand launder one and sand launder two is equal are as follows: 30 × 200 × 400mm；
The size of the reactive tank is；1000×200×400mm.
8. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 7, it is characterised in that:
Filler in the sand launder one and sand launder two is quartz sand.
9. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 8, it is characterised in that:
Filler in the reactive tank is quartzy sand load hydroxyapatite.
10. a kind of permeable reactive wall experimental rig for handling underground pollution water according to claim 9, it is characterised in that:
The porosity of reaction medium layer is 0.36~0.40 in the reactive tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782234.6U CN209055440U (en) | 2018-10-31 | 2018-10-31 | A kind of permeable reactive wall experimental rig handling underground pollution water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782234.6U CN209055440U (en) | 2018-10-31 | 2018-10-31 | A kind of permeable reactive wall experimental rig handling underground pollution water |
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| Publication Number | Publication Date |
|---|---|
| CN209055440U true CN209055440U (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821782234.6U Expired - Fee Related CN209055440U (en) | 2018-10-31 | 2018-10-31 | A kind of permeable reactive wall experimental rig handling underground pollution water |
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| CN (1) | CN209055440U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398135A (en) * | 2020-05-18 | 2020-07-10 | 安徽理工大学 | Experimental device for simulating water level change conditions of different permeable media flowing through water flow |
| CN114262007A (en) * | 2021-12-30 | 2022-04-01 | 华夏碧水环保科技有限公司 | Experimental device for groundwater normal position pollutes restoration |
| CN114487350A (en) * | 2022-01-29 | 2022-05-13 | 南京大学 | Indoor simulation experiment device and method for microbial field in organic pollution field |
-
2018
- 2018-10-31 CN CN201821782234.6U patent/CN209055440U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398135A (en) * | 2020-05-18 | 2020-07-10 | 安徽理工大学 | Experimental device for simulating water level change conditions of different permeable media flowing through water flow |
| CN114262007A (en) * | 2021-12-30 | 2022-04-01 | 华夏碧水环保科技有限公司 | Experimental device for groundwater normal position pollutes restoration |
| CN114487350A (en) * | 2022-01-29 | 2022-05-13 | 南京大学 | Indoor simulation experiment device and method for microbial field in organic pollution field |
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