CN110374143A - A kind of antiseepage barrier wall and its construction method - Google Patents
A kind of antiseepage barrier wall and its construction method Download PDFInfo
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- CN110374143A CN110374143A CN201910442012.2A CN201910442012A CN110374143A CN 110374143 A CN110374143 A CN 110374143A CN 201910442012 A CN201910442012 A CN 201910442012A CN 110374143 A CN110374143 A CN 110374143A
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- 230000004888 barrier function Effects 0.000 title claims abstract description 155
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 58
- 231100000719 pollutant Toxicity 0.000 claims abstract description 58
- 239000002893 slag Substances 0.000 claims abstract description 39
- 239000002689 soil Substances 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 2
- 238000002513 implantation Methods 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000000746 purification Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 239000003818 cinder Substances 0.000 description 4
- 206010015866 Extravasation Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000036251 extravasation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/004—Sealing liners
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/006—Sealing of existing landfills, e.g. using mining techniques
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of antiseepage barrier wall and its construction methods, the slag heap or tailings stack being particularly directed under the landforms of Karst, antiseepage barrier wall, it include: barrier wall, upper wall part including being located at earth's surface or more and/or lower layer's wall part in the soil of earth's surface, it is extraneous to obstruct pollution sources and pollution sources；First antiseepage barrier layer, positioned at barrier wall its towards the side of slag heap or tailings stack, prevent the solid-liquid pollutant of slag heap or tailings stack from exosmosing；Second antiseepage barrier layer prevents the solidliquid mixtures such as slag heap or spring, the rainwater in the tailings stack external world from entering in slag heap or tailings stack positioned at barrier its side far from slag heap or tailings stack of wall.With solve the problem of in the prior art antiseepage barrier wall its antiseepage barriering effect is poor will cause Heavy environmental pollution.
Description
Technical field
The present invention relates to ecological restoration technical fields, and in particular to a kind of antiseepage barrier wall and its construction method.
Background technique
China's economy is after high speed development, more and more, the built various bands of all kinds of mines of well hair, newly-built factory
There are cinder field, tailings stack and the factory floor of pollution sources ten hundreds of, this also means that various slags, industrial liquid, each
Kind chemical raw material, once leakage will generate high risks to environment, entire society face contaminated risk also increasingly
Greatly.It is unrepairable on sill once causing particularly with the pollution of underground water, soil.Ensure all kinds of cinder fields, tailing heap
Pollution sources are effectively isolated in process of production for field and factory, avoid pollution source since leakage generates pollution, protection to environment
Precious groundwater resources become urgent problem.
Antiseepage barrier wall in the prior art to prevent pollutant from leaking is only anti-towards the setting of the side of pollution sources at it
Infiltration layer is not leaked out with contaminated liquid and the pollutant etc. that guarantee pollution sources.But in most circumstances, especially
In Karst geomorphological environment, more liquid due to water source, the liquid such as rainwater, mountain spring water can pass through antiseepage barrier wall outboard cavity
Wall enters inside antiseepage barrier wall, aggravates the pollution problem of pollution sources, and then partial contamination liquid is caused to seep from antiseepage barrier wall
Out, serious environmental pollution is caused.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of antiseepage barrier wall and its construction methods, to solve the prior art
The problem of its antiseepage barriering effect of middle antiseepage barrier wall is poor, will cause Heavy environmental pollution.The embodiment of the invention provides one kind
Antiseepage barrier wall, comprising:
Obstruct wall, including be located at earth's surface more than upper wall part and/or in the soil of the earth's surface under
Layer wall part, it is extraneous to obstruct pollution sources and pollution sources；
First antiseepage barrier layer, positioned at the barrier wall its towards the side of the pollution sources, prevent the pollution sources
Solid-liquid pollutant extravasation；
Second antiseepage barrier layer prevents the pollution sources positioned at described its side far from the pollution sources of barrier wall
Extraneous solidliquid mixture enters the pollution sources.
The barrier wall includes the first wall for being positioned close to the pollution sources side, and is arranged far from described
The second wall that pollution sources side and first wall are oppositely arranged；The first antiseepage barrier layer is located at first wall
It is located at its one far from the pollution sources of second wall towards the side of the pollution sources, the second antiseepage barrier layer
Side；Hollow cavity is formed between first wall and second wall, is provided in the hollow cavity for that will enter
The first drainage channel that its internal solid-liquid pollutant is drawn.
The barrier wall its close to the side of the pollution sources be provided with the solid-liquid for oozing out the pollution sources dirt
The second drainage channel and/or described its side far from the pollution sources of barrier wall that dye object is drawn are provided with for by institute
The solidliquid mixture for stating the pollution sources external world is guided to the third drainage channel far from the pollution source position.
Second drainage channel and first drainage channel are set for handling the solid-liquid pollutant with having respectively
Standby pollutant cavity is connected；The third drainage channel is connected with the water purification cavity for accommodating the solidliquid mixture.
Lower layer's wall part is obliquely installed towards the side close to the pollution sources or lower layer's wall part court
It is obliquely installed to the side far from the pollution sources.
The angle of lower layer's wall part and ground level is 20 degree to 70 degree.
The angle of lower layer's wall part and ground level is 30 degree.
Lower layer's wall part extends to soil horizon d below.
The pollution sources are slag heap and/or tailings stack.
The upper wall part is arranged perpendicular to ground level.
A kind of its construction method of antiseepage barrier wall, comprising the following steps:
Process the barrier wall with the first antiseepage barrier layer and the second antiseepage barrier layer；
Implantation barrier its lower layer's wall part of wall below earth's surface；
Construction obstructs wall layer wall part thereon more than earth's surface；
By the barrier wall, it is logical close to the second drainage of solid-liquid pollutant extraction of the side of the pollution sources for construction
The third that the solidliquid mixture of barrier its side far from the pollution sources of wall is drawn is drained and is led to by road, and/or construction
Road, and/or the first drainage channel that solid-liquid pollutant intracavitary in the barrier wall wherein sky is drawn in construction.
Technical solution of the present invention has the advantages that
1. antiseepage barrier wall provided by the invention, comprising: barrier wall, the upper wall part including being located at earth's surface or more
It is extraneous to obstruct pollution sources and pollution sources with lower layer's wall part in the soil of the earth's surface；Above-mentioned barrier wall point
It is not arranged in the soil of ground or more and below ground, it is dirty that cinder field, the solid-liquid inside tailings stack can be effectively prevented
Dye object exosmoses under the seepage effect of precipitation and underground water, pollutes environment.Positioned at the barrier wall its towards the pollution sources
Side have the first antiseepage barrier layer, can be effectively prevented the pollution sources solid-liquid pollutant extravasation；And it is located at described
Obstructing its side far from the pollution sources of wall has the second antiseepage barrier layer, and it is extraneous can be effectively prevented the pollution sources
Solidliquid mixture enter the pollution sources.It is hindered by the way that the second antiseepage is arranged in its side far from the pollution sources of barrier wall
Interlayer, the second antiseepage barrier layer can be effectively prevented the liquid such as extraneous rainwater, mountain spring water can be by antiseepage barrier wall outside
The problem of cavity wall enters inside antiseepage barrier wall, aggravates the pollution problem of pollution sources.Especially for Karst landforms
Environment, more liquid due to water source, more liquid can flow to pollution sources, can be very by above-mentioned second antiseepage barrier layer
Liquid barrier enters in pollution sources from the pollution sources external world in big degree, prevents the pollution problem of pollution sources from aggravating, and then lead to portion
The problem of dividing contaminated liquid to ooze out from antiseepage barrier wall, causing Heavy environmental pollution.
2. antiseepage barrier wall provided by the invention, the barrier wall includes be positioned close to the pollution sources side the
One wall, and it is arranged far from the second wall that the pollution sources side is oppositely arranged with first wall；Described first
Antiseepage barrier layer be located at first wall its towards the side of the pollution sources, the second antiseepage barrier layer is located at described the
Its side far from the pollution sources of two walls；Hollow cavity is formed between first wall and second wall, it is described
The first drainage channel drawn for its internal solid-liquid pollutant will to be entered is provided in hollow cavity.By the first wall and
Second wall constitutes the production installation difficulty that barrier wall body can be effectively reduced barrier wall, facilitates in construction party constructs and to be formed
Outer two sides all have the barrier wall of antiseepage function.Hollow cavity is formed between first wall and the second wall, is drawn by first
Solid-liquid pollutant in the hollow cavity can be drawn and carry out subsequent processing by circulation road, so as to be effectively prevented in hollow
Intracavitary solid-liquid pollutant passes through the second wall again and penetrates into the pollution sources external world, or is entered in pollution sources by the first wall, into
And the problem of effectively preventing the solid-liquid pollutant of pollution sources from oozing out, causing environmental pollution.
3. antiseepage barrier wall provided by the invention, the barrier wall its be provided with and be used for close to the side of the pollution sources
The second drainage channel that the solid-liquid pollutant that the pollution sources are oozed out is drawn, above-mentioned second drainage channel can effectively will be dirty
The solid-liquid pollutant of dye source exudation draws the pollution sources, to handle above-mentioned solid-liquid pollutant, avoid pollution source and prevent
It seeps and retains a large amount of solid-liquid pollutant between barrier wall, cause the accumulation of solid-liquid pollutant that solid-liquid pollutant is caused to obstruct by antiseepage
The problem of wall oozes out, and causes environmental pollution；Described its side far from the pollution sources of barrier wall is provided with for will be described
The solidliquid mixture in the pollution sources external world is guided to the third drainage channel far from the pollution source position.Above-mentioned third drainage channel
The solidliquid mixture of external environment effectively can be deflected from into antiseepage barrier wall, to reduce its second antiseepage of antiseepage barrier wall resistance
The pressure of interlayer prevents rainwater, spring etc. from entering pollution sources by the second antiseepage barrier layer, and the pollution aggravated in pollution sources is asked
Topic.
4. antiseepage barrier wall provided by the invention, lower layer's wall part is tilted towards the side close to the pollution sources
It is arranged or side that lower layer's wall part is directed away from the pollution sources is obliquely installed.When antiseepage barrier wall, it is located at soil
When lower layer's wall part of earth lower layer tilts construction, the difficulty of construction of lower layer's wall part can be effectively reduced.Moreover, direction
Lower layer's wall part that pollution sources are obliquely installed can be effectively reduced the soil and solid-liquid pollutant that lower layer's wall part is subject to
The extruding force of the two.
5. the angle of antiseepage barrier wall provided by the invention, lower layer's wall part and ground level is 20 degree to 70 degree.
Because its lower layer's wall part of antiseepage barrier wall is larger perpendicular to the difficulty of construction of the construction of soil, and its lower layer of antiseepage barrier wall
Wall part level cannot achieve the package in all directions to pollution sources, avoid solid-liquid pollutant from soil when soil is constructed
The problem of oozing out, causing environmental pollution.When the angle of lower layer's wall part and ground level is 20 degree to 70 degree, can both guarantee
The construction of antiseepage barrier wall will not be too high, and the full side's solid antiseepage to form pollution sources can also be effectively matched with horizon d 15
Barrier wall is effectively prevented solid-liquid pollutant and oozes out from topsoil and lower layer, guarantees the anti-seepage effect of antiseepage barrier wall.
6. antiseepage barrier wall provided by the invention, lower layer's wall part extends to soil horizon d below, thus
So that its lower layer's wall part of antiseepage barrier wall and horizon d is surrounded full side's solid antiseepage barrier wall of package pollution sources, prevents solid-liquid
Pollutant is from the problem of overflowing between lower layer's wall part and horizon d, in turn result in environmental pollution.
7. antiseepage barrier wall provided by the invention, upper wall part is arranged perpendicular to ground level, sets perpendicular to ground level
Its upper layer wall part of the antiseepage barrier wall set has the advantages that construction is simple is convenient.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 obstructs wall construction towards the inclined antiseepage in pollution sources direction for lower layer's wall part provided in an embodiment of the present invention
Schematic diagram；
Fig. 2 is that lower layer's wall part provided in an embodiment of the present invention is directed away from the inclined antiseepage barrier wall in pollution sources direction
Structural schematic diagram；
Fig. 3 is the arrangement schematic diagram of its drainage channel of antiseepage barrier wall provided in an embodiment of the present invention.
Description of symbols:
1- obstructs wall；2- upper wall part；3- lower layer wall part；4- pollution sources；5- hollow cavity；6- first is anti-
Seep barrier layer；7- the second antiseepage barrier layer；The first wall of 8-；The second wall of 9-；The first drainage channel of 10-；The drainage of 11- second is logical
Road；12- third drainage channel；13- pollutant cavity；14- water purification cavity；15- horizon d.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
The embodiment of the invention provides a kind of antiseepage barrier walls, as shown in figures 1 and 3 comprising:
Wall 1 is obstructed, the upper wall part 2 including being located at earth's surface or more and the lower layer in the soil of the earth's surface
Wall part 3, above-mentioned barrier wall 1 are separately positioned in the soil of ground or more and below ground, can be effectively prevented
Solid-liquid pollutant inside cinder field exosmoses under the seepage effect of precipitation and underground water, pollutes environment.The upper wall part 2
It is arranged perpendicular to ground level, lower layer's wall part 3 is obliquely installed towards the side close to the slag heap, above-mentioned lower layer's wall
Body portion 3 extends to soil horizon d 15 below, extraneous to obstruct slag heap and pollution sources.When antiseepage barrier wall, it is located at soil
When lower layer's wall part 3 of earth lower layer tilts construction, the difficulty of construction of lower layer's wall part 3 can be effectively reduced.Moreover, court
The lower layer's wall part 3 being obliquely installed to pollution sources 4 can be effectively reduced the soil that lower layer's wall part 3 is subject to and solid-liquid is dirty
Contaminate the extruding force of object the two.The angle of lower layer's wall part 3 and ground level is 30 degree, because of its lower layer of antiseepage barrier wall
Wall part 3 is larger perpendicular to the difficulty of construction of the construction of soil, and its lower layer's wall part 3 of antiseepage barrier wall is horizontal in soil
When construction, it cannot achieve the package in all directions to pollution sources 4, avoid solid-liquid pollutant from oozing out from soil, cause environmental pollution
The problem of.When the angle of lower layer's wall part 3 and ground level is 20 degree to 70 degree, it can both guarantee the construction of antiseepage barrier wall
Will not be too high, the full side's solid antiseepage barrier wall to form pollution sources 4 can also be effectively matched with horizon d 15, effectively prevented
Only solid-liquid pollutant is oozed out from topsoil and lower layer, guarantees the anti-seepage effect of antiseepage barrier wall.Above-mentioned barrier wall 1 includes setting
It sets in the first wall 8 close to the slag heap side, and is arranged far from the slag heap side and first wall 8
The second wall 9 being oppositely arranged；
First antiseepage barrier layer 6, the first antiseepage barrier layer 6 be located at first wall 8 its towards the slag heap
Side, prevent the solid-liquid pollutant of the slag heap from exosmosing, positioned at the barrier wall 1 its towards the side of the slag heap
With the first antiseepage barrier layer 6, the solid-liquid pollutant extravasation of the slag heap can be effectively prevented；
Second antiseepage barrier layer 7, the second antiseepage barrier layer 7 be located at second wall 9 its far from the slag heap
Side, prevent the pollution sources external world solidliquid mixture enter the slag heap.By the way that in barrier wall 1, it is separate described
The second antiseepage barrier layer 7 is arranged in the side of slag heap, and the second antiseepage barrier layer 7 can be effectively prevented extraneous rainwater, mountain spring
The liquid such as water can be entered inside antiseepage barrier wall by cavity wall on the outside of antiseepage barrier wall, make what the pollution problem of pollution sources aggravated to ask
Topic occurs.Especially for Karst geomorphological environment, more liquid due to water source, more liquid can flow to slag heap,
It can largely liquid barrier be entered in slag heap from the pollution sources external world by above-mentioned second antiseepage barrier layer 7, prevent dirt
The pollution problem in dye source aggravates, and then the problem of cause partial contamination liquid to ooze out from antiseepage barrier wall, cause Heavy environmental pollution.
Hollow cavity 5 is formed between above-mentioned first wall 8 and the second wall 9, is provided in the hollow cavity 5 for that will enter it
The first drainage channel 10 that internal solid-liquid pollutant is drawn, the first drainage channel 10 be both ends respectively with pollutant cavity 13 and
The pipeline that hollow cavity 5 is connected.Barrier can be effectively reduced by constituting barrier wall 1 by the first wall 8 and the second wall 9
The production installation difficulty of wall 1, facilitate construction party construct to be formed inside and outside all have the barrier wall 1 of antiseepage function.Such as Fig. 3
It is shown, hollow cavity 5 is formed between the first wall 8 and the second wall 9, it can be by the hollow cavity by the first drainage channel 10
Solid-liquid pollutant in 5, which is drawn, carries out subsequent processing, and the solid-liquid pollutant so as to be effectively prevented in hollow cavity 5 leads to again
It crosses the second wall 9 and penetrates into the pollution sources external world, or entered in slag heap by the first wall 8, and then effectively prevent slag heap
The exudation of solid-liquid pollutant, the problem of causing environmental pollution.Above-mentioned barrier wall 1 its be provided with close to the side of the slag heap
The second drainage channel 11 that solid-liquid pollutant for oozing out the slag heap is drawn, the second drainage channel 11 are both ends difference
The pipeline being connected on the inside of pollutant cavity 13 and barrier wall 1；Above-mentioned second drainage channel 11 can be effectively by slag
The solid-liquid pollutant of field exudation draws the slag heap, to handle above-mentioned solid-liquid pollutant, avoids slag heap and antiseepage
A large amount of solid-liquid pollutant is retained between barrier wall, causes the accumulation of solid-liquid pollutant that solid-liquid pollutant is caused to pass through antiseepage barrier wall
The problem of oozing out, causing environmental pollution；Described its side far from the slag heap of barrier wall 1 is provided with for by the dirt
The solidliquid mixture in the dye source external world is guided to the third drainage channel 12 far from the slag heap position.Third drainage channel 12 is
Both ends respectively with the pipeline that is connected on the outside of water purification cavity 14 and barrier wall 1；Above-mentioned third drainage channel 12 can be effectively
The solidliquid mixture of external environment is deflected from into antiseepage barrier wall, to reduce the pressure of its second antiseepage barrier layer 7 of antiseepage barrier wall
Power prevents rainwater, spring etc. from entering slag heap by the second antiseepage barrier layer 7, aggravates the pollution problem in slag heap.Above-mentioned
Two drainage channels 11 and the first drainage channel 10 are respectively and with the pollutant cavity for handling the solid-liquid pollutant equipment
13 are connected；The third drainage channel 12 is connected with the water purification cavity 14 for accommodating the solidliquid mixture.Moreover, lower layer's wall
Body portion 3 extends to soil horizon d 15 below, so that its lower layer's wall part 3 of antiseepage barrier wall be made to surround with horizon d 15
The full side's solid antiseepage barrier wall for wrapping up slag heap prevents solid-liquid pollutant from overflowing between lower layer's wall part 3 and horizon d 15
Out, the problem of environmental pollution is in turn resulted in.
Certainly, the present patent application is not particularly limited antiseepage barrier wall barrier process object, in other embodiments, prevents
It seeps barrier wall and surrounds tailings stack, form full side's solid antiseepage to the soil upper and lower level of tailings stack and obstruct.
Certainly, the present patent application is not particularly limited the angle between lower layer's wall part 3 and ground level, in other realities
It applies in example, the angle of lower layer's wall part 3 and ground level is 70 degree, though the angle of lower layer's wall part 3 and ground level is larger
It so will increase the difficulty of construction of antiseepage barrier wall.But that area can be surrounded with horizon d 15 is biggish anti-for lower layer's wall part 3
Space is seeped, to accommodate more pollutants, reduces the pressure of lower layer's wall part 3, reserves drainage to the first drainage channel 10
Time.
Its construction method of antiseepage barrier wall, comprising the following steps:
S1 processing has the barrier wall 1 of the first antiseepage barrier layer 6 and the second antiseepage barrier layer 7；
S2 is implanted into barrier its lower layer's wall part 3 of wall 1 below earth's surface；
S3 constructs more than earth's surface obstructs its upper layer wall part 2 of wall 1；
S4 construction water purification cavity 14 and pollutant cavity 13；
S4 construction by it is described barrier wall 1 its close to the side of the slag heap solid-liquid pollutant draw second drainage
Channel 11, the second drainage channel 11 are connected with pollutant cavity 13；Also, by the barrier wall 1, it is separate described for construction
The third drainage channel 12 that the solidliquid mixture of the side of slag heap is drawn, third drainage channel 12 are connected with water purification cavity 14
It is logical；And the first drainage channel 10 that the solid-liquid pollutant in described barrier its hollow cavity 5 of wall 1 is drawn in construction, first
Drainage channel 10 is connected with pollutant cavity 13.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, as shown in Fig. 2, its lower layer of antiseepage barrier wall provided in this embodiment
The side that wall part 3 is directed away from the slag heap is obliquely installed.Lower layer's wall part 3 is directed away from the one of the slag heap
Side is obliquely installed and extends to soil horizon d 15 below, can also equally play the work of barrier slag heap and the pollution sources external world
With.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention
Spirit and scope in the case where various modifications and variations can be made, such modifications and variations are each fallen within by appended claims institute
Within the scope of restriction.
Claims (10)
1. a kind of antiseepage barrier wall characterized by comprising
It obstructs wall (1), including being located at the upper wall part (2) of earth's surface or more and/or in the soil of the earth's surface
Lower layer's wall part (3), it is extraneous to obstruct pollution sources (4) and pollution sources；
First antiseepage barrier layer (6), being located at barrier wall (1), it, towards the side of the pollution sources (4), prevents the dirt
The solid-liquid pollutant in dye source (4) exosmoses；
Second antiseepage barrier layer (7) is located at described its side far from the pollution sources (4) of barrier wall (1), prevents the dirt
The solidliquid mixture in the dye source external world enters the pollution sources (4).
2. antiseepage barrier wall according to claim 1, which is characterized in that the barrier wall (1) includes being positioned close to
The first wall (8) of pollution sources (4) side, and it is arranged far from the pollution sources (4) side and first wall
(8) the second wall (9) being oppositely arranged forms hollow cavity (5) between first wall (8) and second wall (9),
The first drainage channel (10) drawn for its internal solid-liquid pollutant will to be entered is provided in the hollow cavity (5).
3. antiseepage barrier wall according to claim 1 or 2, which is characterized in that the barrier wall (1) its close to the dirt
The side in dye source (4) is provided with the second drainage channel (11) of the extraction of the solid-liquid pollutant for oozing out the pollution sources (4),
And/or described barrier wall (1) its side far from the pollution sources (4) is provided with for by the solid-liquid in the pollution sources external world
Mixture is guided to the third drainage channel (12) far from the pollution sources (4) position.
4. antiseepage barrier wall according to claim 2, which is characterized in that first drainage channel (10) with have be used for
The pollutant cavity (13) for handling the solid-liquid pollutant equipment is connected.
5. antiseepage barrier wall according to any one of claim 1 to 4, which is characterized in that lower layer's wall part (3)
It is obliquely installed towards the side close to the pollution sources (4) or lower layer's wall part (3) is directed away from the pollution sources
(4) side is obliquely installed.
6. antiseepage barrier wall according to claim 5, which is characterized in that lower layer's wall part (3) and ground level
Angle is 20 degree to 70 degree.
7. antiseepage barrier wall according to claim 6, which is characterized in that lower layer's wall part (3) and ground level
Angle is 30 degree.
8. antiseepage barrier wall according to any one of claim 1 to 7, which is characterized in that lower layer's wall part (3)
Extend to soil horizon d below (15).
9. antiseepage barrier wall according to claim 1, which is characterized in that the pollution sources (4) are slag heap and/or tailing
Stockyard.
10. its construction method of antiseepage barrier wall described in a kind of any one of claims 1 to 9, which is characterized in that including following
Step:
Process the barrier wall (1) with the first antiseepage barrier layer (6) and the second antiseepage barrier layer (7)；
Implantation barrier wall (1) its lower layer's wall part (3) below earth's surface；
Construction barrier wall (1) its upper layer wall part (2) more than earth's surface；
It constructs second drainage for obstructing wall (1) its solid-liquid pollutant close to the side of the pollution sources (4) and drawing
The solidliquid mixture of described barrier wall (1) its side far from the pollution sources (4) is drawn in channel (11), and/or construction
Third drainage channel (12), and/or construction by it is described barrier wall (1) its hollow cavity (5) in solid-liquid pollutant draw
The first drainage channel (10).
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Application publication date: 20191025 |