CN207463805U - Pollutant site remediation system based on regional pollution amount - Google Patents
Pollutant site remediation system based on regional pollution amount Download PDFInfo
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- CN207463805U CN207463805U CN201720609883.5U CN201720609883U CN207463805U CN 207463805 U CN207463805 U CN 207463805U CN 201720609883 U CN201720609883 U CN 201720609883U CN 207463805 U CN207463805 U CN 207463805U
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Abstract
The utility model discloses a kind of pollutant site remediation systems based on regional pollution amount, geographic area A where place pollutant-contaminated is divided into multiple subregions, a bite injection well, multiple out wells and multiple detection wells are equipped with along vertically downward direction inside each subregion, a certain amount of nano-iron material is inwardly injected according to the pollutant concentration inside each detection well.A transfer pipeline is provided between each injection well and a nano-iron material reservoir respectively, the end of each nearly injection well side of transfer pipeline is respectively arranged with an electric flow valve and a wireless control module for interconnection, and wireless control module controls unlatching, aperture and the closing of electric flow valve.The pollutant in the A of geographic area is detected again after a setting time, stops repairing if expected reparation target has been reached, if not up to continuing to repair.The utility model reduces rehabilitation cost and repair time, has very strong practicability and promotional value.
Description
Technical field
The utility model is related to automation control and field of environment pollution control, and area is based in particular to one kind
The pollutant site remediation system of domain contaminant capacity.
Background technology
Nano-iron material solution has a significant effect of comparison for the reparation in organo-chlorine pollutant place, reliability with
Economy has been subjected to experiment and the inspection of actual field, but prepares higher price, is also relatively difficult to ensure and deposits.At present, relatively large pollution
The reparation on object field ground needs a large amount of nano-iron material solution, and the cost of nano-iron material solution largely influences entirely to repair
Multiple required expense.By detecting discovery on the spot, due to landform, direction of groundwater flow or soil property etc., relatively large
In pollutant place, the concentration of pollutant is usually uneven distribution.But existing restorative procedure be usually used it is unified dense
The nano-iron material solution of degree is repaired, thus, not only waste unnecessary nano-iron material solution, is also improved
Human and material resources cost needed for repairing.
Utility model content
The utility model provides a kind of pollutant site remediation system based on regional pollution amount, to pollutant concentration
It is repaired the geographic area of uneven distribution.
In order to achieve the above object, the utility model provides a kind of pollutant site remediation system based on regional pollution amount
System, which is set to the geographic area A where a place pollutant-contaminated, to be repaired to it, wherein, geographic region
Domain A is divided into multiple subregions, and it is default that the difference of the maxima and minima of the pollutant concentration inside each subregion is less than one
Value, the repair system include a remote control terminal, multiple transfer pipelines and are perpendicular positioned at each subregion inside and direction
Directly a bite injection well, multiple out wells and multiple detection wells in downward direction, wherein：
The remote control terminal is connect with the pollutant concentration sensor inside each detection well；
Multiple transfer pipelines are respectively erected between each injection well and a nano-iron material reservoir, each transfer pipeline
The end of nearly injection well side is respectively arranged with an electric flow valve and a wireless control module for interconnection；
Remote control terminal is connect with each wireless control module, to send wireless control signal, wireless control module according to
The wireless control signal controls unlatching, aperture and the closing of electric flow valve.
In an embodiment of the utility model, the shape of each subregion is rectangle, circle or polygon, each sub-district
The area in domain is determined according to the average value of geographic area A internal contamination object concentration.
In an embodiment of the utility model, the number of detection well and out well inside each subregion is 2.
In an embodiment of the utility model, detect well and out well and manufactured using complete well well drilling technology, it is each
Detection well and out well are respectively provided with first segment, second segment and third section, wherein, part between water-bearing layer and ground is the
One section, the part between water-bearing layer is second segment, is third section positioned at the part of water-bearing layer lower part, wherein, third section
It is highly 0.5~2m, the well casing outer diameter of each detection well and out well is 50~110mm and drilling diameter is 70~130mm,
The material of well casing is UPVC tubing, and well casing is located at that sieve is opened in the part of second segment by slot or perforation opens and sieve in a manner of sieve, opens
Sieve rate is 30%, and mesh-length is between 5~15cm, and sieve pore width is between 0.5~2mm, positioned at the well casing of second segment
External sheath have strainer, the mesh number of strainer is between 80~100 mesh.
In an embodiment of the utility model, the outer layer of the well casing in first segment and third section is blocked with bentonite,
The outer layer of well casing in second segment is loaded with grit, wherein, the volume for blocking or loading required bentonite or grit is V,
Wherein, dbFor drilling diameter, dcFor well casing outer diameter, h is the height of fill part, and the grain size of grit is true with reference to following formula
It is fixed:
D50=(6~8) × d50
Wherein, D50For from large to small, the grain size of grit sieve cumulative level up to 50% when grain size, d50For from large to small,
Grain size of the water-bearing layer particle screening content up to 50%.
In an embodiment of the utility model, the injection rate of nano-iron material be water-bearing layer soil quality M 1~
5%, wherein, water-bearing layer soil quality M=N1 × N2 × N3, wherein, N1 is the body that the soil repaired is needed in water-bearing layer
Product, N2 are the porosity in water-bearing layer, and N3 is soil density；
The injection rate of nano-iron material is between 0.6~3m3Between/h, the iron-holder of nano-iron material between 0.05~
Between 0.2%.
In an embodiment of the utility model, after nano-iron material is injected, pass through out well extraction section underground
Water promotes nano-iron material to accelerate diffusion so as to form pressure differential between injection well and out well, wherein, when in monitoring well
Water level decreasing height be h1 when stop pumping, wherein, h1 is between 1~5cm, after drawing water after certain time, will take out
The Water Spreading gone out is to out well.
In an embodiment of the utility model, spacing between injection well, detection well and out well for 2.2~
13.0m。
Pollutant site remediation system provided by the utility model based on regional pollution amount is improved in conventional method
The extensive repair mode that even injection nano-iron material solution is repaired, has saved the Nanoscale Iron of pollutant concentration lower region
Material utilization amount, while solve the problems, such as that pollutant concentration upper zone can not obtain preferable reparation, can adaptation to local conditions to dirt
The different region of dye object concentration is repaired, and reduces rehabilitation cost and repair time, has very strong practicability and popularization
Value.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic diagram of injection well, detection well and out well in the utility model；
Fig. 2 is the sectional view for detecting well and out well；
Fig. 3 is the schematic diagram of the pollutant site remediation system provided by the utility model based on regional pollution amount.
Reference sign：1- remote control terminals；2- transfer pipelines；3- electric flow valves；4- wireless control modules.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making the creative labor
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model provides a kind of pollutant site remediation system based on regional pollution amount, as Fig. 3 show this
The schematic diagram for the pollutant site remediation system based on regional pollution amount that utility model provides, it is contaminated which is set to one
Geographic area A where the place of object pollution, to be repaired to it, wherein, geographic area A is divided into multiple subregions, often
The difference of the maxima and minima of pollutant concentration inside one subregion is less than a preset value, and the shape of each subregion is for example
Can be rectangle, circle or polygon, the area of each subregion according to the average value of geographic area A internal contamination object concentration and
It determines, for example, when the average value of pollutant concentration is higher, the smaller of the area of each subregion division can be worked as pollution
When the average value of object concentration is relatively low, the larger of the area of each subregion division can thus be taken into account Nanoscale Iron
Materials'use amount and actual repair demand, to take into account rehabilitation cost and remediation efficiency.In addition, the pollutant inside each subregion
The purpose that the difference of the maxima and minima of concentration is less than a preset value is to ensure the dirt at each subregion interior point
Dye object concentration difference is unlikely to excessive, to ensure repairing effect.
A bite injection well, multiple out wells and multiple detection wells are equipped with along vertically downward direction inside each subregion,
In, the number of detection well and out well inside each subregion for example can be 2, can also according to the size of subregion into
Row increase and decrease.Spacing between injection well, detection well and out well can be 2.2~13.0m.It is the utility model as shown in Figure 1
The schematic diagram of middle injection well, detection well and out well, wherein, the shape of each subregion is divided into square in Fig. 1, it is each
Injection well is arranged at the diagonal intersection point of square, and therefore, in each subregion, the range of scatter R of nano-iron material is
Using injection well position as the border circular areas in the center of circle.
Detection well and out well for example may be used the manufacture of complete well well drilling technology, and Fig. 2 be cuing open for detection well and out well
View, as shown in Fig. 2, each detection well and out well are respectively provided with first segment L1, second segment L2 and third section L3, wherein, it is located at
Part between water-bearing layer and ground is first segment L1, is equipped with well room in the top of first segment L1, well head is located in well room, well
Mouthful top cover be equipped with well lid, the top cover of well room lid is equipped with well room lid, and the part between water-bearing layer is second segment L2, position
In the part of water-bearing layer lower part be third section L3, wherein, the height of third section L3 is 0.5~2m, each detection well and out well
Well casing outer diameter be 50~110mm and drilling diameter is 70~130mm, the material of well casing is UPVC tubing, and well casing is located at the
The part of two sections of L2 opens sieve by slot or perforation opens and sieve is carried out out in a manner of sieve, and it is 30% to open sieve rate, and mesh-length is between 5~15cm
Between, sieve pore width has a strainer between 0.5~2mm, positioned at the external sheath of the well casing of second segment, the mesh number of strainer between
Between 80~100 mesh, third section L3 forms sediment pipe, to assemble tiny sand grains and rock that lower part is flowed by strainer and filtrate
Bits prevent filtrate or strainer to be deposited object blocking.
In addition, the outer layer of the well casing in first segment L1 and third section L3 is blocked with bentonite, the well casing in second segment
Outer layer loaded with grit, bentonite and gravel are act as so that well casing is more firm, in addition, gravel also is able to as filtrate,
Entered inside well casing with reducing tiny sand grains and landwaste, while enable to nano-iron material by being diffused in well casing after strainer
Portion, wherein, the volume for blocking or loading required bentonite or grit is V,
Wherein, dbFor drilling diameter, dcFor well casing outer diameter, h is the height of fill part, and the grain size of grit is true with reference to following formula
It is fixed:
D50=(6~8) × d50
Wherein, D50For from large to small, the grain size of grit sieve cumulative level up to 50% when grain size, d50For from large to small,
Grain size of the water-bearing layer particle screening content up to 50%.
The repair system includes a remote control terminal 1 and multiple transfer pipelines 2, wherein：
Remote control terminal 1 is by being set to each pollutant concentration Sensor monitoring pollutant therein detected inside well
Concentration, remote control terminal 1 according to it is each detection well inside pollutant concentration be calculated each subregion in repair when it is required
Nano-iron material injection rate；
The injection rate of nano-iron material for example can be the 1~5% of water-bearing layer soil quality M, wherein, water-bearing layer soil matter
M=N1 × N2 × N3 is measured, wherein, N1 is the volume that the soil repaired is needed in water-bearing layer, and N2 is the porosity in water-bearing layer,
N3 is soil density；
The injection rate of nano-iron material is between 0.6~3m3Between/h, the iron-holder of nano-iron material between 0.05~
Between 0.2%.
Multiple transfer pipelines 2 are respectively erected between each injection well and a nano-iron material reservoir, each delivery pipe
The end of the nearly injection well side in road is respectively arranged with an electric flow valve 3 and a wireless control module 4 for interconnection；
Remote control terminal 3 is sent out according to each subregion injection rate required when repairing to corresponding wireless control module 4
Control signal is sent, wireless control module 4 controls unlatching, aperture and the pass of electric flow valve 3 according to the wireless control signal
It closes.
As shown in Figure 1, there is an out well, after nano-iron material is injected, further in each subregion in Fig. 1
By out well extraction section underground water so as to form pressure differential between injection well and out well, and then nano-iron material is promoted to add
Speed diffusion, wherein, when the water level decreasing height in monitoring well be h1 when stop pumping, wherein, h1 between 1~5cm, in
After drawing water after certain time, by the Water Spreading of extraction to out well.
In general, after first time repairs, answer continuous 8~24 months and carry out target contaminant prison to being repaired region
It surveys, the same area should be carried out if below standard repeatedly to repair until being repaired region and reaching expected and repair target.
Pollutant site remediation system provided by the utility model based on regional pollution amount is improved in conventional method
The extensive repair mode that even injection nano-iron material solution is repaired, has saved the Nanoscale Iron of pollutant concentration lower region
Material utilization amount, while solve the problems, such as that pollutant concentration upper zone can not obtain preferable reparation, can adaptation to local conditions to dirt
The different region of dye object concentration is repaired, and reduces rehabilitation cost and repair time, has very strong practicability and popularization
Value.
One of ordinary skill in the art will appreciate that：Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the utility model.
One of ordinary skill in the art will appreciate that：The module in device in embodiment can describe to divide according to embodiment
It is distributed in the device of embodiment, respective change can also be carried out and be located in one or more devices different from the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in previous embodiment or which part technical characteristic is equal
It replaces；And these modifications or replacement, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (8)
1. a kind of pollutant site remediation system based on regional pollution amount, the system are set to a place pollutant-contaminated
The geographic area A at place, to be repaired to it, which is characterized in that geographic area A is divided into multiple subregions, each sub-district
The difference of the maxima and minima of pollutant concentration inside domain is less than a preset value, which includes a remote control
End, multiple transfer pipelines and inside each subregion and a bite injection well, multiple of the direction for vertically downward direction
Out well and multiple detection wells, wherein：
The remote control terminal is connect with the pollutant concentration sensor inside each detection well；
Multiple transfer pipelines are respectively erected between each injection well and a nano-iron material reservoir, and each transfer pipeline is closely noted
The end for entering well side is respectively arranged with an electric flow valve and a wireless control module for interconnection；
Remote control terminal is connect with each wireless control module, and to send wireless control signal, wireless control module is according to the nothing
Line control signal controls unlatching, aperture and the closing of electric flow valve.
2. the pollutant site remediation system according to claim 1 based on regional pollution amount, which is characterized in that Mei Yizi
The shape in region is rectangle, circle or polygon, and the area of each subregion is according to the flat of geographic area A internal contamination object concentration
Mean value and determine.
3. the pollutant site remediation system according to claim 1 based on regional pollution amount, which is characterized in that Mei Yizi
The number of detection well and out well inside region is 2.
4. the pollutant site remediation system according to claim 1 based on regional pollution amount, which is characterized in that detection well
It is manufactured with out well using complete well well drilling technology, each detection well and out well are respectively provided with first segment, second segment and third
Section, wherein, the part between water-bearing layer and ground is first segment, and the part between water-bearing layer is second segment, is located at
The part of water-bearing layer lower part is third section, wherein, the height of third section is 0.5~2m, the well casing of each detection well and out well
Outer diameter is 50~110mm and drilling diameter is 70~130mm, and the material of well casing is UPVC tubing, and well casing is located at second segment
Part opens sieve by slot or perforation opens and sieve is carried out out in a manner of sieve, and it is 30% to open sieve rate, and mesh-length is between 5~15cm, sieve
Hole width has strainer between 0.5~2mm, positioned at the external sheath of the well casing of second segment, and the mesh number of strainer is between 80~100
Between mesh.
5. the pollutant site remediation system according to claim 4 based on regional pollution amount, which is characterized in that in first
The outer layer of well casing in section and third section is blocked with bentonite, and the outer layer of the well casing in second segment is loaded with grit, wherein, envelope
The volume of bentonite or grit needed for stifled or filling is V,
Wherein, dbFor drilling diameter, dcFor well casing outer diameter, h is the height of fill part, and the grain size of grit is determined with reference to following formula:
D50=(6~8) × d50
Wherein, D50For from large to small, the grain size of grit sieve cumulative level up to 50% when grain size, d50For from large to small, it is aqueous
Grain size of the layer particle screening content up to 50%.
6. the pollutant site remediation system according to claim 1 based on regional pollution amount, which is characterized in that
The injection rate of nano-iron material is the 1~5% of water-bearing layer soil quality M, wherein, water-bearing layer soil quality M=N1 × N2
× N3, wherein, N1 is the volume that the soil repaired is needed in water-bearing layer, and N2 is the porosity in water-bearing layer, and N3 is close for soil
Degree；
The injection rate of nano-iron material is between 0.6~3m3Between/h, the iron-holder of nano-iron material between 0.05~0.2% it
Between.
7. the pollutant site remediation system according to claim 1 based on regional pollution amount, which is characterized in that in injection
After nano-iron material, by out well extraction section underground water so as to form pressure differential between injection well and out well, and then
Nano-iron material is promoted to accelerate diffusion, wherein, it stops pumping when the water level decreasing height in monitoring well is h1, wherein, h1 is situated between
Between 1~5cm, after drawing water after certain time, by the Water Spreading of extraction to out well.
8. the pollutant site remediation system according to claim 1 based on regional pollution amount, which is characterized in that injection
Spacing between well, detection well and out well is 2.2~13.0m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609883.5U CN207463805U (en) | 2017-05-27 | 2017-05-27 | Pollutant site remediation system based on regional pollution amount |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609883.5U CN207463805U (en) | 2017-05-27 | 2017-05-27 | Pollutant site remediation system based on regional pollution amount |
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| CN207463805U true CN207463805U (en) | 2018-06-08 |
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ID=62255648
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127211A (en) * | 2017-05-27 | 2017-09-05 | 中科鼎实环境工程股份有限公司 | Pollutant site remediation system and method based on regional pollution amount |
| CN110355193A (en) * | 2019-07-19 | 2019-10-22 | 中国科学院南京土壤研究所 | A kind of contaminated site in-situ remediation method based on dynamic ground water circulation |
-
2017
- 2017-05-27 CN CN201720609883.5U patent/CN207463805U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127211A (en) * | 2017-05-27 | 2017-09-05 | 中科鼎实环境工程股份有限公司 | Pollutant site remediation system and method based on regional pollution amount |
| CN110355193A (en) * | 2019-07-19 | 2019-10-22 | 中国科学院南京土壤研究所 | A kind of contaminated site in-situ remediation method based on dynamic ground water circulation |
| CN110355193B (en) * | 2019-07-19 | 2020-08-25 | 中国科学院南京土壤研究所 | In-situ remediation method for polluted site based on dynamic underground water circulation |
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Address after: 100028 No. 6 Courtyard Building, East Fourth Ring Road, Sun Palace, Chaoyang District, Beijing Patentee after: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING CO., LTD. Address before: 100028 No. 6 Courtyard Building, East Fourth Ring Road, Sun Palace, Chaoyang District, Beijing Patentee before: Ding Ding environmental engineering Limited by Share Ltd |
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Address after: No. 46, Keji Road, economic development zone, Miyun District, Beijing 101500 Patentee after: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: 100028, No. 3, building 6, North Fourth Ring Road East, Sun Palace, Chaoyang District, Beijing Patentee before: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. |