CN209429178U - Seepage proof curtain and guide seepage control system - Google Patents
Seepage proof curtain and guide seepage control system Download PDFInfo
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- CN209429178U CN209429178U CN201821488450.XU CN201821488450U CN209429178U CN 209429178 U CN209429178 U CN 209429178U CN 201821488450 U CN201821488450 U CN 201821488450U CN 209429178 U CN209429178 U CN 209429178U
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Abstract
It include barrier layer the utility model relates to underground water antiseepage recovery technique field more particularly to a kind of seepage proof curtain and guide seepage control system, the seepage proof curtain；First truncation layer；Second truncation layer is bonded with the first truncation layer, and is arranged to store the structure of fluid；At least one exhaust pipe, setting are connected in the first truncation layer and with the second truncation layer；Barrier layer, the first infiltration coefficient that layer, the second truncation layer and exhaust pipe is truncated are sequentially increased；Wherein, layer is both parallel with barrier layer is bonded for the first truncation layer and the second truncation, and the second truncation layer compared with the first truncation layer closer to underground impermeable stratum.Seepage proof curtain provided by the utility model has the function of the characteristics of anti-seepage effect is good, construction process requirement is low and included damage testing.
Description
Technical field
The utility model relates to underground water antiseepage recovery technique field more particularly to a kind of seepage proof curtain and guide antiseepage systems
System.
Background technique
With the rapid industrial development in our country, cause that environmental pollution has become increasingly serious.Due to some chemical industry, bargh
Therefore the effective seepage control measure of the shortages such as dump leaching field, Tailings Dam causes industrial waste (liquid), chemical products, slag etc. to soil
Earth and body of groundwater cause pollution, have seriously endangered the environment that people depend on for existence.Wherein, vertical grouting curtain is Pollution Field
Particularly important auxiliary facility in ground governance process is that one kind carries out vertical grout curtain in pollutant diffusion or flyway
Or flexible barrier liner is laid, to reduce the diffusion for even blocking pollutant completely, realize the method that pollution effectively controls.
Wherein, although existing vertical grouting curtain can be realized the diffusion for preventing pollutant, still, existing vertical anti-
Seeping curtain is unitary barrier structure, and therefore, barriering effect is poor, it is difficult to realize the absolute blocking to pollutant；In addition to this,
The integrality of existing vertical grouting curtain itself is difficult to ensure and detect, and when damaging in the process of running, can not carry out
Effectively detection, causes potentially to permeate hidden danger, there are the technical problems of anti-seepage effect difference.
Utility model content
It is in the prior art to alleviate the purpose of this utility model is to provide a kind of seepage proof curtain and guide seepage control system
There are the technical problems of anti-seepage effect difference for seepage proof curtain.
The utility model provides a kind of seepage proof curtain, comprising:
Barrier layer；
First truncation layer；
Second truncation layer is bonded with the first truncation layer, and is arranged to store the structure of fluid；
At least one exhaust pipe, setting are connected in the first truncation layer and with the second truncation layer；
The barrier layer, the described first infiltration coefficient that layer, the second truncation layer and the exhaust pipe is truncated successively increase
Greatly；
Wherein, layer is both parallel with the barrier layer is bonded for the first truncation layer and second truncation, and described
Layer is truncated closer to underground impermeable stratum in second truncation layer more described first.
Further, the exhaust pipe is multiple；
Multiple exhaust pipes be set parallel to each other it is described first truncation layer in, and each exhaust pipe with it is described
Second truncation layer connection.
Further, the exhaust pipe and the first truncation layer are integrally formed.
Further, the second truncation layer includes:
Second truncation layer ontology is bonded with the first truncation layer；
Multiple gathered troughs are formed along the second truncation layer body recess；
Exhaust pipe connection corresponding with the gathered trough.
Further, the infiltration coefficient of the barrier layer is less than 10-5The infiltration coefficient of cm/s, the first truncation layer are less than
10-3Cm/s, the infiltration coefficient of the second truncation layer is less than 10-1cm/s。
The osmotic coefficient ratio of the further barrier layer and the first truncation layer is not more than 10-2 cm/s。
Further, the osmotic coefficient ratio of the first truncation layer and the second truncation layer is no more than 10-2cm/s。
Further, the osmotic coefficient ratio of Soil Background and the second truncation layer is no more than 10-2 cm/s。
The utility model has the following beneficial effects:
The utility model provides a kind of seepage proof curtain, which includes barrier layer, the first truncation layer and the first truncation
Second truncation layer of layer fitting and at least one exhaust pipe being arranged in the first truncation layer, wherein the second truncation layer is arranged to
The structure of fluid is stored, exhaust pipe is connected to the second truncation layer, specifically, barrier layer, the first truncation layer, the second truncation layer and pumping
The infiltration coefficient of comb is sequentially increased, meanwhile, layer is both parallel with barrier layer is bonded for the first truncation layer and the second truncation, and the
Layer is truncated compared with first closer to underground impermeable stratum for two truncation layers.When carrying out blocking pollutant diffusion, barrier layer is placed on and is leaned on
The nearly side with pollutant, when the underground water containing pollutant passes through barrier layer, since the infiltration coefficient of barrier layer is smaller,
Therefore, most pollutant is blocked layer and effectively obstructs, wherein the pollutant of fraction is by penetration mode with level saturation
The mode of seepage flow (being controlled by head pressure difference or concentration gradient) passes through barrier layer and enters the first truncation layer；When fraction pollutant
When layer is truncated into first, since the infiltration coefficient of the first truncation layer is greater than the infiltration coefficient of barrier layer, fraction pollution
Object is changed into vertical unsaturated seepage (mainly by GRAVITY CONTROL) into mode of seepage after the first truncation layer from horizontal saturated flow,
And then the vertical downflow in the first truncation layer, the type of flow vertically downward can prevent the fraction through barrier layer dirty
Dye object continues across the first truncation layer, wherein the pollutant of vertical downflow can move to infiltration in the first truncation layer
It in the second bigger truncation layer of coefficient and is gathered together, finally, being expelled to finger by the exhaust pipe being connected to the second truncation layer
Fixed processing region.This design structure, the barrier layer being sequentially increased by infiltration coefficient, the first truncation layer and the second truncation layer
The gradient separation of diversification is formed, and then effectively limits the diffusion of pollutant, meanwhile, and since barrier layer and first are truncated
The infiltration coefficient of layer is different, therefore, can be with vertical unsaturated seepage by the pollutant of barrier layer in a manner of horizontal saturated flow
Mode first truncation layer in flow downward, finally second truncation layer at by exhaust pipe discharge, to reach to pollutant
The purpose absolutely obstructed.
The utility model provides a kind of guide seepage control system with above-mentioned seepage proof curtain.
Technical solution provided by the utility model can achieve it is following the utility model has the advantages that
The guide seepage control system is identical as advantage possessed by above-mentioned seepage proof curtain, and details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram figure of seepage proof curtain provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the second truncation layer in Fig. 1；
Fig. 3 is the process schematic of seepage proof curtain block contaminants provided by the embodiment of the utility model；
Fig. 4 is the flow chart of seepage proof curtain application method provided by the embodiment of the utility model.
Icon:
1- barrier layer；
Layer is truncated in 2- first；
Layer is truncated in 3- second；
Layer ontology is truncated in 31- second；
32- gathered trough.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, Figure 2 and Figure 3, present embodiments provide a kind of seepage proof curtain, the seepage proof curtain include barrier layer 1,
First truncation layer 2, the second truncation layer 3 being bonded with the first truncation layer 2 and at least one pump drainage being arranged in the first truncation layer 2
Pipe, wherein the second truncation layer 3 is arranged to store the structure of fluid, and exhaust pipe is connected to the second truncation layer 3, specifically, barrier layer
1, layer 3 is truncated in the first truncation layer 2, second and the infiltration coefficient of exhaust pipe is sequentially increased, meanwhile, first is truncated layer 2 and second section
The both fittings parallel with barrier layer 1 of tomography 3, and layer 2 is truncated compared with first closer to underground impermeable stratum for the second truncation layer 3.Into
When row blocks pollutant diffusion, barrier layer 1 is disposed close to the side with pollutant, when the underground water warp containing pollutant
When crossing barrier layer 1, since the infiltration coefficient of barrier layer 1 is smaller, most pollutant is blocked layer 1 and effectively obstructs,
In, the pollutant of fraction is worn in such a way that horizontal saturated flow is controlled by head pressure difference or concentration gradient penetration mode
It crosses barrier layer 1 and enters the first truncation layer 2；When fraction pollutant enters the first truncation layer 2, due to the infiltration of the first truncation layer 2
Saturating coefficient is greater than the infiltration coefficient of barrier layer 1, and therefore, fraction pollutant enters after the first truncation layer 2 mode of seepage from level
Saturated flow is changed into vertical unsaturated seepage mainly by GRAVITY CONTROL, and then the vertical downflow in the first truncation layer 2, hangs down
The straight downward type of flow can prevent the fraction pollutant through barrier layer 1 from continuing across the first truncation layer 2, wherein
The pollutant of vertical downflow can be moved in the second bigger truncation layer 3 of infiltration coefficient and be converged in first truncation layer 2
Together, finally, being expelled to specified processing region by the exhaust pipe being connected to the second truncation layer 3.
Layer 2 and the second truncation 3 shape of layer is truncated by the barrier layer 1, first that infiltration coefficient is sequentially increased in this design structure
The diffusion of pollutant is limited at the gradient separation of diversification, and then effectively, meanwhile, and since barrier layer 1 and first are truncated
The infiltration coefficient of layer 2 is different, therefore, can be seeped in a manner of horizontal saturated flow by the pollutant of barrier layer 1 with vertical unsaturation
The mode of stream flows downward in the first truncation layer 2, is finally discharged at the second truncation layer 3 by exhaust pipe, to reach to dirt
The purpose that dye object absolutely obstructs.
The seepage proof curtain in addition to the advantages listed above, also has the advantage that
(1) seepage proof curtain does not require absolutely not permeable or impermeable, does not require the nothing constructed or operational process is absolute yet
Damaged or zero defect thereby reduces construction requirement, improves construction efficiency.And the seepage proof curtain structure is simple, construction technology
It is required that low, due to the realization of its blocking ability mainly rely on barrier layer 1, first be truncated layer 2 and the second truncation each functional layer of layer 3 it
Between the control of seepage flow gradient difference, therefore to each functional layer, the barrier of especially 1 material of barrier layer is not very high.
(2) further, since the requirement of requirement and construction technology to above-mentioned each functional layer material reduces,
Respective material and construction and the control of construction quality require also to decrease, and then reduce overall cost.
(3) since partition Capability Requirement of the seepage proof curtain to material itself reduces, form the material of the seepage proof curtain
Expect that Commercial sources are wider, for example, it is general (less than 10 to can choose anti-permeability performance-5Cm/s), while there is wider ring
Border adaptability (anti-Na ion, cl ion etching ability), therefore, barrier effect is more preferable.
It wherein, in the present embodiment, is the effective barrier that can be realized pollutant, specifically, the material of barrier layer 1 can be with
Using barrier materials such as bentonite, HDPE film, cement；Meanwhile to can be realized in a manner of horizontal saturated flow by barrier layer 1
Pollutant can in a manner of vertical unsaturated seepage first truncation layer 2 in flow downward, and then first truncation layer 2 and barrier
There must be apparent difference between the permeance property of layer 1, therefore, the first truncation layer 2 can be using fine sand, coarse sand or bird's-eye gravel etc.
Material with higher permeability energy；Further, for enable to the second truncation layer 3 have preferable storage capacity, second
Cobble, gravel or other materials with high osmosis can be used in truncation layer 3.
As shown in Figure 1, exhaust pipe can be one or more, wherein in the present embodiment, will can rapidly to converge
Collect second truncation layer 3 at pollutant be emitted into specified processing region in time, exhaust pipe be it is multiple, multiple exhaust pipes that
This is arranged in parallel in the first truncation layer 2, and each exhaust pipe is connected to the second truncation layer 3.
Wherein, exhaust pipe can be the independent pipeline being arranged in the first truncation layer 2, to can be improved the first truncation layer 2
Leakproofness, prevent the first truncation layer 2 exist infiltration hidden danger, in this embodiment, it is preferred that, exhaust pipe with first be truncated layer 2
It is integrally formed.
As shown in Fig. 2, specifically, second truncation layer 3 include with first truncation layer 2 be bonded second be truncated layer ontology 31 and
The multiple gathered troughs 32 formed along the second truncation recess of layer ontology 31, exhaust pipe connection corresponding with gathered trough 32, wherein first
The pollutant of vertical downflow can be moved in the second bigger truncation layer ontology 31 of infiltration coefficient and be converged in truncation layer 2
Together, due to exhaust pipe connection corresponding with gathered trough 32, collecting in pollutant in the second truncation layer ontology 31 can be with
Specified region is discharged to by the exhaust pipe being connected to gathered trough 32.
When being drained, the part that can will draw water connects one to one with exhaust pipe, will collect under the action of drawing water part
Pollutant in gathered trough 32 is emitted into specified processing region by exhaust pipe, wherein exhaust pipe is in addition to having pollutant
The effect of collection and guide, meanwhile, during extraction, the part that draws water has been correspondingly connected with flow monitoring device, when which pump drainage
When managing corresponding water flow perhaps pollutant concentration significantly increasing also or when being greater than defined threshold value, then show the resistance of the part
There is the phenomenon that leakage in interlayer 1, need to be repaired in time, further improve the functionality of the seepage proof curtain, have monitoring
The advantages of ability.
Specifically, in the present embodiment, for the effective barrier that can be realized pollutant, wherein the infiltration coefficient of barrier layer 1
Less than 10-5Cm/s, the infiltration coefficient of the first truncation layer 2 is less than 10-3Cm/s, the infiltration coefficient of the second truncation layer 3 is less than 10-1cm/
s。
Wherein, layer 2 and the second truncation layer 3 is truncated while meeting infiltration coefficient size requirements in barrier layer 1, first, is
Enable to pollutant that can pass through barrier layer 1 in such a way that horizontal saturated flow is controlled by head pressure difference or concentration gradient,
It is mainly flowed in the first truncation layer 2 in a manner of by GRAVITY CONTROL by vertical unsaturated seepage again, barrier layer 1 and the first truncation layer
2 permeance property must have apparent difference, and the osmotic coefficient ratio of the two need to meet KBarrier layer/KFirst truncation layer≤10-2cm/s；Together
When, to enable to the second truncation layer 3 that there is good storage capacity, the permeance property of the first truncation layer 2 and the second truncation layer 3
There must be apparent difference, and the osmotic coefficient ratio of the two need to meet KFirst truncation layer/KSecond truncation layer≤10-2cm/s；Further, it is
Enable to the seepage proof curtain that there is good anti-seepage effect, the infiltration system of the infiltration coefficient of Soil Background and the second truncation layer 3
Number ratio must also meet KSoil Background/KSecond truncation layer≤10-2cm/s。
Specifically, according to above-mentioned expression it is found that the osmotic coefficient ratio of barrier layer 1 and the first truncation layer 2 is not more than 10-2cm/
s；The osmotic coefficient ratio of first truncation layer 2 and the second truncation layer 3 is no more than 10-2cm/s；Soil Background and the second truncation layer 3
Osmotic coefficient ratio be no more than 10-2cm/s。
The present embodiment also provides a kind of guide seepage control system, which includes suction pump and any of the above-described implementation
Seepage proof curtain described in example, wherein suction pump is connected to exhaust pipe.
The guide seepage control system had the advantage that with any of the above-described seepage proof curtain as described in the examples it is identical, herein no longer
It repeats.
As shown in figure 4, the present embodiment also provides a kind of application method of seepage proof curtain described in any of the above-described embodiment, it should
Method includes the following steps:
Step S10, fluting: the position vertical channel along contaminated site periphery, slot bottom are excavated to underground impermeable stratum, are hanging down
Mud off is used during straight fluting；
Seepage proof curtain is inserted into slot bottom by step S20, wherein barrier layer 1 is close to contaminated side；
Backfill: step S30 backfills sand into slot to remove slurry coat method.
The application method of the seepage proof curtain had the advantage that with any of the above-described seepage proof curtain as described in the examples it is identical,
This is repeated no more.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of seepage proof curtain characterized by comprising
Barrier layer (1)；
First truncation layer (2)；
Second truncation layer (3) is bonded with first truncation layer (2), and is arranged to store the structure of fluid；
At least one exhaust pipe, setting are connected in first truncation layer (2) and with second truncation layer (3)；
The barrier layer (1), it is described first truncation layer (2), it is described second truncation layer (3) and the exhaust pipe infiltration coefficient according to
Secondary increase；
Wherein, first truncation layer (2) and second truncation layer (3) both fittings parallel with the barrier layer (1), and
Layer (2) are truncated closer to underground impermeable stratum in second truncation layer (3) more described first.
2. seepage proof curtain according to claim 1, which is characterized in that the exhaust pipe is multiple；
Multiple exhaust pipes be set parallel to each other it is described first truncation layer (2) in, and each exhaust pipe with it is described
Second truncation layer (3) connection.
3. seepage proof curtain according to claim 2, which is characterized in that the exhaust pipe and the first truncation layer (2) one
It is body formed.
4. seepage proof curtain according to claim 2, which is characterized in that described second, which is truncated layer (3), includes:
Second truncation layer ontology (31) is bonded with first truncation layer (2)；
Multiple gathered troughs (32) are formed along the second truncation layer ontology (31) recess；
The exhaust pipe is corresponded with the gathered trough (32) and is connected to.
5. seepage proof curtain according to claim 1, which is characterized in that the infiltration coefficient of the barrier layer (1) is less than 10- 5Cm/s, the infiltration coefficient of first truncation layer (2) is less than 10-3The infiltration coefficient of cm/s, second truncation layer (3) are less than
10-1cm/s。
6. seepage proof curtain according to claim 5, which is characterized in that the barrier layer (1) and first truncation layer (2)
Osmotic coefficient ratio be not more than 10-2cm/s。
7. seepage proof curtain according to claim 5, which is characterized in that first truncation layer (2) and second truncation
The osmotic coefficient ratio of layer (3) is no more than 10-2cm/s。
8. seepage proof curtain according to claim 5, which is characterized in that the infiltration of Soil Background and second truncation layer (3)
Saturating coefficient ratio is no more than 10-2cm/s。
9. a kind of guide seepage control system, which is characterized in that including suction pump and the described in any item antiseepage curtains of claim 1-8
Curtain, the suction pump are connected to the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488450.XU CN209429178U (en) | 2018-09-12 | 2018-09-12 | Seepage proof curtain and guide seepage control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488450.XU CN209429178U (en) | 2018-09-12 | 2018-09-12 | Seepage proof curtain and guide seepage control system |
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| Publication Number | Publication Date |
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| CN209429178U true CN209429178U (en) | 2019-09-24 |
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ID=68007074
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| CN201821488450.XU Active CN209429178U (en) | 2018-09-12 | 2018-09-12 | Seepage proof curtain and guide seepage control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837928A (en) * | 2018-09-12 | 2019-06-04 | 中国环境科学研究院 | The application method of seepage proof curtain, guide seepage control system and seepage proof curtain |
-
2018
- 2018-09-12 CN CN201821488450.XU patent/CN209429178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837928A (en) * | 2018-09-12 | 2019-06-04 | 中国环境科学研究院 | The application method of seepage proof curtain, guide seepage control system and seepage proof curtain |
| CN109837928B (en) * | 2018-09-12 | 2024-07-19 | 中国环境科学研究院 | Impermeable curtain, drainage guide impermeable system and application method of impermeable curtain |
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