CN103321256B - Anti-pollution three-dimensional composite anti-penetrating barrier system - Google Patents
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Abstract
The invention discloses a kind of anti-pollution three-dimensional composite anti-penetrating barrier system, described anti-pollution three-dimensional composite anti-penetrating barrier system comprises: horizontal composite seepage prevention structures, described horizontal composite seepage prevention structures is laid on below pollution sources and surrounding, for the soil and groundwater bottom described pollution sources and described pollution sources is carried out level isolation; Vertical ring-shaped antiseepage curtain wall, described vertical ring-shaped antiseepage curtain wall is around described pollution sources setting and the lower end of described vertical ring-shaped antiseepage curtain wall is dropped on the velatively waterproof layer in described soil; With automatic pumping well, described automatic pumping well is located at the inner side of described vertical ring-shaped antiseepage curtain wall and is positioned at the downstream part of described underground water, and the lower end of described automatic pumping well is dropped on described velatively waterproof layer.According to the anti-pollution three-dimensional composite anti-penetrating barrier system of the embodiment of the present invention have isolation good seepage-proof property, can available protecting environment, the advantage such as of many uses, stable and reliable for performance, operating cost is low, management maintenance is simple.
Description
Technical field
The present invention relates to field of Environment Protection, in particular to a kind of anti-pollution three-dimensional composite anti-penetrating barrier system.
Background technology
China's economy is after the high speed development of three more than ten years, all kinds of mines of exploitation, newly-built factory get more and more, the built various factories with pollution sources, workshop are millions of, this also just means that various slag, industrial liquid, various production chemical raw material, intermediate products are once leak and will produce high risks to environment, and the contaminated risk that entire society faces is also increasing.Especially to the pollution of underground water, soil, once cause, be unrepairable substantially.Along with the high development of society; the water resource of China will highly lack; water is more and more precious for us; therefore; guarantee all kinds of mine, factory in process of production pollution sources be effectively isolated; avoid pollution sources to produce pollution owing to leaking to environment, the groundwater resources of protection preciousness become urgent problem.
At present, the PE plastic sheeting for individual layer adopted bottom dump leaching field, mine or argillic horizon, its isolation seepage capability is more weak, reliability is lower, Environmental security guarantee property is poor, once impervious barrier starts a leak, very easily causes leachate to leak, cause serious environment pollution.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention be to propose a kind of isolation good seepage-proof property, can available protecting environment, of many uses, stable and reliable for performance, operating cost is low, management maintenance simple anti-pollution three-dimensional composite anti-penetrating barrier system.
For achieving the above object, the present invention proposes a kind of anti-pollution three-dimensional composite anti-penetrating barrier system, described anti-pollution three-dimensional composite anti-penetrating barrier system comprises: horizontal composite seepage prevention structures, described horizontal composite seepage prevention structures is laid on below pollution sources and surrounding, for the soil and groundwater bottom described pollution sources and described pollution sources is carried out level isolation; Vertical ring-shaped antiseepage curtain wall, described vertical ring-shaped antiseepage curtain wall is around described pollution sources setting and the lower end of described vertical ring-shaped antiseepage curtain wall is dropped on the velatively waterproof layer in described soil; With automatic pumping well, described automatic pumping well is located at the inner side of described vertical ring-shaped antiseepage curtain wall and is positioned at the downstream part of described underground water, and the lower end of described automatic pumping well is dropped on described velatively waterproof layer.
Pass through below pollution sources, be located at described horizontal composite seepage prevention structures according to the anti-pollution three-dimensional composite anti-penetrating barrier system of the embodiment of the present invention, and be also provided with the described vertical ring-shaped antiseepage curtain wall arranged around pollution sources, described automatic pumping well is provided with further in described vertical ring-shaped antiseepage curtain wall, triple combination can be made to form the antiseepage barrier system of 3 D stereo compound, realize the multiple tight isolation of pollution sources and bottom and surrounding soil, underground water, can at utmost avoid pollution sources leakage pollution underground water and soil.Described anti-pollution three-dimensional composite anti-penetrating barrier system can be widely used in the mine with pollution sources, there is the chemical factory of pollution sources, production department, pollution sources dump leaching field, mine, high concentration being leached to liquid pool, harmful slag tip or production department carry out isolated controlling, effective Control pollution source, preventing pollution environment.And; the total of described anti-pollution three-dimensional composite anti-penetrating barrier system is simple, safe and reliable; consume energy low, operating cost is low; management maintenance is simple; can apply in the environmental remediation and treatment that the place of polluting has occurred simultaneously; have isolation good seepage-proof property, can available protecting environment, the advantage such as of many uses, stable and reliable for performance, operating cost is low, management maintenance is simple.
In addition, anti-pollution three-dimensional composite anti-penetrating barrier system according to the present invention has following additional technical feature:
According to one embodiment of present invention, described horizontal composite seepage prevention structures is made up of two-layer HDPE film and the sodium bentonite pad be clipped between two-layer described HDPE film.
According to one embodiment of present invention, the transmission coefficient of the HDPE film in described horizontal composite seepage prevention structures is less than or equal to 1.0 × 10
-7centimeters per second.
According to one embodiment of present invention, the transmission coefficient of described sodium bentonite pad is less than or equal to 5.0 × 10
-7centimeters per second.
According to one embodiment of present invention, the edge of described horizontal composite seepage prevention structures is by anchoring groove anchoring.
According to one embodiment of present invention, described vertical ring-shaped antiseepage curtain wall is made up of bentonite slurry body and the HDPE film be wrapped in described bentonite slurry body, or is made up of described bentonite slurry body separately.
According to one embodiment of present invention, the transmission coefficient of the HDPE film in described vertical ring-shaped antiseepage curtain wall is less than or equal to 1.0 × 10
-7centimeters per second, the transmission coefficient of described bentonite slurry body is less than or equal to 5.0 × 10
-7centimeters per second.
According to one embodiment of present invention, the lower end of described vertical ring-shaped antiseepage curtain wall embeds described velatively waterproof layer 1.5 meters-2.0 meters.
According to one embodiment of present invention, foul water pump, the automatic starting device be connected with described foul water pump is provided with in described automatic pumping well and the water-level gauge that is connected with described automatic starting device.
According to one embodiment of present invention, the HDPE floral tube that described automatic pumping well offers through hole by tube wall is formed with the graded broken stone body be embedded in outside described HDPE floral tube.
According to one embodiment of present invention, the external diameter of described automatic pumping well is 3 meters-6 meters, and the external diameter of described HDPE floral tube is 0.8 meter-2.0 meters.
According to one embodiment of present invention, the percent opening of described HDPE floral tube is 15%-20%, and the aperture of described through hole is 1.5 centimetres-3.0 centimetres.
According to one embodiment of present invention, the granite grain that described graded broken stone body is 0.25 centimetre-3.0 centimetres by particle diameter is formed, and the thickness of described graded broken stone body is not less than 1.5 meters.
According to one embodiment of present invention, described automatic pumping well is multiple and is located at the inner side of described vertical ring-shaped antiseepage curtain wall at interval.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the sectional view of the anti-pollution three-dimensional composite anti-penetrating barrier system according to the embodiment of the present invention;
Fig. 2 is the plan view of the anti-pollution three-dimensional composite anti-penetrating barrier system according to the embodiment of the present invention;
Fig. 3 is the sectional view of the vertical ring-shaped antiseepage curtain wall of anti-pollution three-dimensional composite anti-penetrating barrier system according to the embodiment of the present invention;
Fig. 4 is the sectional view of the automatic pumping well of anti-pollution three-dimensional composite anti-penetrating barrier system according to the embodiment of the present invention;
Fig. 5 is the structural representation of the cross section of the HDPE floral tube of anti-pollution three-dimensional composite anti-penetrating barrier system according to the embodiment of the present invention.
Pollution sources 1, velatively waterproof layer 2, horizontal composite seepage prevention structures 10, anchoring groove 11, vertical ring-shaped antiseepage curtain wall 20, HDPE film 21, bentonite slurry body 22, automatic pumping well 30, foul water pump 31, HDPE floral tube 32, through hole 33, graded broken stone body 34.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Fig. 5, the anti-pollution three-dimensional composite anti-penetrating barrier system according to the embodiment of the present invention is described.As Figure 1-Figure 5, horizontal composite seepage prevention structures 10, vertical ring-shaped antiseepage curtain wall 20 and automatic pumping well 30 is comprised according to the anti-pollution three-dimensional composite anti-penetrating barrier system of the embodiment of the present invention.
Horizontal composite seepage prevention structures 10 is laid on below pollution sources 1 and surrounding (above-below direction as shown in Figure 1, Figure 3 and Figure 4 in arrow A shown in), horizontal composite seepage prevention structures 10 is for carrying out level isolation by pollution sources 1 and the soil and groundwater bottom pollution sources 1.Vertical ring-shaped antiseepage curtain wall 20 to be arranged and the lower end of vertical ring-shaped antiseepage curtain wall 20 is dropped on the velatively waterproof layer 2 in described soil around pollution sources 1, and velatively waterproof layer 2 refers to coefficient of permeability K < 1.0X10 in described soil
-7one deck geologic structure of cm/s.Automatic pumping well 30 is located at the inner side of vertical ring-shaped antiseepage curtain wall 20 and automatic pumping well 30 is positioned at the downstream part of described underground water, and the lower end of automatic pumping well 30 is dropped on velatively waterproof layer 2.
Pass through below pollution sources 1, arrange horizontal composite seepage prevention structures 10 according to the anti-pollution three-dimensional composite anti-penetrating barrier system of the embodiment of the present invention, and be also provided with the vertical ring-shaped antiseepage curtain wall 20 arranged around pollution sources 1, automatic pumping well 30 is provided with further in vertical ring-shaped antiseepage curtain wall 20, triple combination can be utilized to form the antiseepage barrier system of 3 D stereo compound, realize the multiple tight isolation of pollution sources 1 and bottom and surrounding soil, underground water, can at utmost avoid pollution sources leakage pollution underground water and soil.
Specifically, be laid on metal dump leaching field, mine, harmful slag muck field, the smeltery having pollution sources risk, chemical plant, workshop, dump leaching field (or pollution sources) bottom horizontal composite seepage prevention structures 10, can ensure dump leaching field leachate (or pollution sources) can with natural environment (underground water and field subsoil earth) completely isolated, antiseepage.Even if just in case damaging appears in horizontal composite seepage prevention structures 10, there is indivedual seepage, certain pollution is caused to underground water, the vertical ring-shaped antiseepage curtain wall 20 now arranged around pollution sources 1 effectively will stop contaminated underground water in vertical direction, by the groundwater control of pollution in vertical ring-shaped antiseepage curtain wall 20, guarantee indiffusion, the soil not polluting surrounding and underground water.The underground water polluted inside vertical ring-shaped antiseepage curtain wall 20, flow in the automatic pumping well 30 of setting, automatic pumping well 30 can according to setting in advance, the underground water of the pollution in vertical ring-shaped antiseepage curtain wall 20 is extracted out, make the water level of contaminant water lower than the natural groundwater level outside vertical ring-shaped antiseepage curtain wall 20, make contaminant water can not excessive pollution (contaminant water can not flow to eminence from lower), realize guaranteeing that vertical ring-shaped antiseepage curtain wall 20 internal contamination water almost absolutely not pollutes the environment outside vertical ring-shaped antiseepage curtain wall 20 completely.
The industry of having polluted is harmful to that slag tip, the chemical plant of polluting, workshop cannot be repaired at the bottom of it, the horizontal composite seepage prevention structures 10 of laying, the technology of vertical ring-shaped antiseepage curtain wall 20 and automatic pumping well 30 can be adopted separately, pollution sources 1 are effectively controlled in vertical ring-shaped antiseepage curtain wall 20, continue contaminated soil and underground water to surrounding diffusion to avoid polluting, administer very effective to environment remediation.
In addition, described anti-pollution three-dimensional composite anti-penetrating barrier system can be widely used in the dump leaching field of the low-grade ores such as gold, silver, copper, nickel, uranium.Such as, the copper sulphate infusion solution formed in copper mine dump leaching field, containing a large amount of copper ions and unreacted sulfuric acid completely in its solution, valuable intermediate products, utilize described anti-pollution three-dimensional composite anti-penetrating barrier system, can copper sulfate leaching liquid be collected, prevent copper sulfate leaching liquid to run off, thus not only can bring huge economic benefit for enterprise, and copper sulfate leaching liquid can be avoided to damage natural ecological environment.
Therefore, anti-pollution three-dimensional composite anti-penetrating barrier system according to the embodiment of the present invention can be widely used in the mine with pollution sources, there is the chemical factory of pollution sources, production department, pollution sources dump leaching field, mine, high concentration being leached to liquid pool, harmful slag tip or production department carry out isolated controlling, effective Control pollution source, preventing pollution environment.And; the total of described anti-pollution three-dimensional composite anti-penetrating barrier system is simple, safe and reliable; consume energy low, operating cost is low; management maintenance is simple; can apply in the environmental remediation and treatment that the place of polluting has occurred simultaneously; have isolation good seepage-proof property, can available protecting environment, the advantage such as of many uses, stable and reliable for performance, operating cost is low, management maintenance is simple.
In one embodiment of the invention, horizontal composite seepage prevention structures 10 can by two-layer HDPE(high density polyethylene (HDPE)) film and the sodium bentonite pad (GCL) be clipped between two-layer described HDPE film form.
Wherein, HDPE film has following characteristics: stronger ductility, can adaptation to the ground change, good barrier performance, compare plastic sheeting, second bright rubber-like film has better anti acid alkali performance energy and ageing resistace, good hot melt solderability, good puncture resistance and good low temperature resistivity, can be reliable in subzero-77 degree guaranteed performances.And sodium bentonite spacer has following characteristics: good barrier performance, having high-expansion can to realize function, the natural minerals of auto-mending leak, never aging.Thus by adopting HDPE film and sodium bentonite pad jointly to form horizontal composite seepage prevention structures 10, horizontal composite seepage prevention structures 10 can be made to have the good characteristics of HDPE film and sodium bentonite pad simultaneously.In addition, adopt the structure of two-layer HDPE film, not only isolation anti-seepage effect is more outstanding, and wherein ought suffer breakage by one deck HDPE film, still another layer of HDPE film can be relied on to carry out isolation antiseepage, and the sodium bentonite pad between two-layer HDPE film has the function of automatic patching bugs, while making horizontal composite seepage prevention structures 10 have antiseepage isolating power, there is again powerful reliability.Especially for the environment that dump leaching field, mine, harmful slag field, sulfur dioxide are such, after ore builds heap or after harmful slag field, sulfur dioxide stack and enable, the structure credibility advantages of horizontal composite seepage prevention structures 10 is particularly outstanding.Therefore, horizontal composite seepage prevention structures 10 has the advantages such as isolation seepage capability is strong, reliability is high, Environmental security guarantee property is good.
Wherein, the transmission coefficient of the HDPE film in horizontal composite seepage prevention structures 10 can be less than or equal to 1.0 × 10
-7centimeters per second, the transmission coefficient of described sodium bentonite pad can be less than or equal to 5.0 × 10
-7centimeters per second, to guarantee the isolation anti-seepage effect of horizontal composite seepage prevention structures 10 further.
Alternatively, as shown in Figure 1, the edge of horizontal composite seepage prevention structures 10 can adopt anchoring groove anchoring.Horizontal composite seepage prevention structures 10 securely, stably can be positioned at below and the surrounding of pollution sources 1 like this, and enforcement is easy, construction cost is low.
In one particular embodiment of the present invention, vertical ring-shaped antiseepage curtain wall 20 can be made up of bentonite slurry body and the HDPE film be wrapped in described bentonite slurry body, and vertical ring-shaped antiseepage curtain wall 20 also can form curtain wall by described bentonite slurry body separately.Specifically, pour into described bentonite slurry body in the soil box of the HDPE film can laid at vertical construction, to protect HDPE film not to be damaged in construction, and described bentonite slurry body itself has auxiliary seepage proof function.The isolation anti-seepage effect of vertical ring-shaped antiseepage curtain wall 20 can be made thus more reliable.
More specifically, the transmission coefficient of the HDPE film in vertical ring-shaped antiseepage curtain wall 20 can be less than or equal to 1.0 × 10
-7centimeters per second, the transmission coefficient of described bentonite slurry body can be less than or equal to 5.0 × 10
-7centimeters per second.The isolation anti-seepage effect of vertical ring-shaped antiseepage curtain wall 20 can be guaranteed so further.
Advantageously, as shown in figures 1 and 3, the degree of depth of the lower end embedding velatively waterproof layer 2 of vertical ring-shaped antiseepage curtain wall 20 can be 1.5 meters-2.0 meters.Can ensure that the contaminant water in vertical ring-shaped antiseepage curtain wall 20 can not be oozed out between vertical ring-shaped antiseepage curtain wall 20 and velatively waterproof layer 2 like this, be formed and close up and down, improve the reliability of described anti-pollution three-dimensional composite anti-penetrating barrier system further.
In a concrete example of the present invention, as shown in Figure 4, the foul water pump 31 of automatic starting device and water-level gauge can be provided with in automatic pumping well 30, to realize the function of the contaminant water inside the vertical ring-shaped antiseepage curtain wall 20 of automatic pumping well 30 Automatic Extraction, guarantee that contaminant water water level in vertical ring-shaped antiseepage curtain wall 20 is lower than the natural groundwater level outside vertical ring-shaped antiseepage curtain wall 20.
Further, as shown in Figure 4, automatic pumping well 30 can offer the HDPE floral tube 32 of through hole 33 by tube wall and the graded broken stone body 34 be embedded in outside HDPE floral tube 32 is formed.In other words, the well casing of automatic pumping well 30 can adopt the HDPE material pipe (i.e. HDPE floral tube 32) of the antiacid alkali of tube wall belt hole, and surrounding buries graded broken stone body 34 underground outside HDPE floral tube 32.
Specifically, the external diameter of automatic pumping well 30 can be 3 meters-6 meters, and the external diameter of HDPE floral tube 32 can be 0.8 meter-2.0 meters.The percent opening of HDPE floral tube 32 can be 15%-20%, and the aperture of through hole 33 can be 1.5 centimetres-3.0 centimetres.The granite grain that graded broken stone body 34 can be 0.25 centimetre-3.0 centimetres by particle diameter is formed, and the thickness of graded broken stone body 34 can be not less than 1.5 meters.
Advantageously, as depicted in figs. 1 and 2, automatic pumping well 30 can be located at the inner side of vertical ring-shaped antiseepage curtain wall 20 at interval for multiple and multiple automatic pumping well 30.The common contaminant water extracted inside vertical ring-shaped antiseepage curtain wall 20 of multiple automatic pumping well 30 can be utilized like this to carry out sewerage treatment to be discharged into other area, reach and guarantee that contaminant water water level in vertical ring-shaped antiseepage curtain wall 20 is lower than the natural groundwater level outside vertical ring-shaped antiseepage curtain wall 20, make contaminant water can not excessive pollution, reach and guarantee that vertical ring-shaped antiseepage curtain wall 20 internal contamination water almost absolutely not pollutes water outside vertical ring-shaped antiseepage curtain wall 20 and soil environment completely.
Citing below describes the work progress according to the anti-pollution three-dimensional composite anti-penetrating barrier system of the embodiment of the present invention.At the bottom of dump leaching field, mine (or harmful slag tip, industry solution pond) smooth good field, lay horizontal composite seepage prevention structures 10, in dump leaching field (or harmful slag tip, industry solution pond) surrounding, anchoring groove is set for the horizontal composite seepage prevention structures 10 of anchoring.At the outer certain distance of pollution sources, surrounding annular arranges vertical ring-shaped antiseepage curtain wall 20, the construction of vertical ring-shaped antiseepage curtain wall 20 can adopt groover to excavate the groove of wide 0.8m ~ 1.2m, also auger can be adopted to be drilled with continuous aperture and to form soil box, in groove, perfusion bentonite slurry body is used for retaining wall, prevent soil box from caving in, then adopt loop wheel machine that the HDPE film be fixed in steel frame is inserted soil box.Underground water downstream direction inside vertical ring-shaped antiseepage curtain wall 20 arranges automatic pumping well 30, the mode construction and excavation automatic pumping well 30 of tradition excavation well can be adopted, digging diameter can be 3.0m-6.0m, HDPE floral tube 32 is placed at automatic pumping Jing30Nei center, the diameter of HDPE floral tube 32 can be 0.8m-1.5m, the tube wall of HDPE floral tube 32 is offered through hole 33, the aperture of through hole 33 can be 1.5cm-2.5cm, aperture opening ratio controls at 15%-20%, fill out around HDPE floral tube 32 and put graded broken stone body 34, graded broken stone body 34 requires as grouan material, rubble is hard, corrosion-resistant, particle diameter is 0.25cm-3.6cm, the thickness of graded broken stone body 34 is 1.5m-3.0m.Place the foul water pump 31 with water-level gauge, automatic starting device in HDPE floral tube 32, the tube connector of foul water pump 31 is connected to Wastewater Treatment Plant.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (14)
1. an anti-pollution three-dimensional composite anti-penetrating barrier system, is characterized in that, comprising:
Horizontal composite seepage prevention structures, described horizontal composite seepage prevention structures is laid on below pollution sources and surrounding, for the soil and groundwater bottom described pollution sources and described pollution sources is carried out level isolation;
Vertical ring-shaped antiseepage curtain wall, described vertical ring-shaped antiseepage curtain wall is around described pollution sources setting and the lower end of described vertical ring-shaped antiseepage curtain wall is dropped on the velatively waterproof layer in described soil; With
Automatic pumping well, described automatic pumping well is located at the inner side of described vertical ring-shaped antiseepage curtain wall and is positioned at the downstream part of described underground water, and the lower end of described automatic pumping well is dropped on described velatively waterproof layer.
2. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 1, is characterized in that, described horizontal composite seepage prevention structures is made up of two-layer HDPE film and the sodium bentonite pad be clipped between two-layer described HDPE film.
3. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 2, is characterized in that, the transmission coefficient of the HDPE film in described horizontal composite seepage prevention structures is less than or equal to 1.0 × 10
-7centimeters per second.
4. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 2, is characterized in that, the transmission coefficient of described sodium bentonite pad is less than or equal to 5.0 × 10
-7centimeters per second.
5. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 1, is characterized in that, the edge of described horizontal composite seepage prevention structures is by anchoring groove anchoring.
6. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 1, it is characterized in that, described vertical ring-shaped antiseepage curtain wall is made up of bentonite slurry body and the HDPE film be wrapped in described bentonite slurry body, or is made up of described bentonite slurry body separately.
7. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 6, is characterized in that, the transmission coefficient of the HDPE film in described vertical ring-shaped antiseepage curtain wall is less than or equal to 1.0 × 10
-7centimeters per second, the transmission coefficient of described bentonite slurry body is less than or equal to 5.0 × 10
-7centimeters per second.
8. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 1, is characterized in that, the lower end of described vertical ring-shaped antiseepage curtain wall embeds described velatively waterproof layer 1.5 meters-2.0 meters.
9. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 1, is characterized in that, the water-level gauge being provided with foul water pump, the automatic starting device be connected with described foul water pump in described automatic pumping well and being connected with described automatic starting device.
10. anti-pollution three-dimensional composite anti-penetrating barrier system according to claim 1, is characterized in that, the HDPE floral tube that described automatic pumping well offers through hole by tube wall is formed with the graded broken stone body be embedded in outside described HDPE floral tube.
11. anti-pollution three-dimensional composite anti-penetrating barrier systems according to claim 10, it is characterized in that, the external diameter of described automatic pumping well is 3 meters-6 meters, the external diameter of described HDPE floral tube is 0.8 meter-2.0 meters.
12. anti-pollution three-dimensional composite anti-penetrating barrier systems according to claim 10, is characterized in that, the percent opening of described HDPE floral tube is 15%-20%, and the aperture of described through hole is 1.5 centimetres-3.0 centimetres.
13. anti-pollution three-dimensional composite anti-penetrating barrier systems according to claim 10, it is characterized in that, the granite grain that described graded broken stone body is 0.25 centimetre-3.0 centimetres by particle diameter is formed, and the thickness of described graded broken stone body is not less than 1.5 meters.
14. anti-pollution three-dimensional composite anti-penetrating barrier systems according to any one of claim 1-13, it is characterized in that, described automatic pumping well is multiple and is located at the inner side of described vertical ring-shaped antiseepage curtain wall at interval.
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| CN106703085B (en) * | 2016-12-22 | 2019-02-05 | 上海岩土工程勘察设计研究院有限公司 | A kind of aqueous vapor collection system and its working method in Polluted Soil isolation |
| CN108951675A (en) * | 2017-05-17 | 2018-12-07 | 北京高能时代环境技术股份有限公司 | HDPE geomembrane and bentonite-clay complex vertical cut-pff wall and its construction method of installation |
| CN109235505A (en) * | 2017-06-02 | 2019-01-18 | 北京高能时代环境技术股份有限公司 | Three-dimensional environmental protection complex ecological closing structure |
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