CN207944451U - A kind of soil barrier landfill seepage control system - Google Patents
A kind of soil barrier landfill seepage control system Download PDFInfo
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- CN207944451U CN207944451U CN201820182927.5U CN201820182927U CN207944451U CN 207944451 U CN207944451 U CN 207944451U CN 201820182927 U CN201820182927 U CN 201820182927U CN 207944451 U CN207944451 U CN 207944451U
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Abstract
Obstruct landfill seepage control system the utility model is related to a kind of soil, including contaminated soil landfill body, be arranged above contaminated soil landfill body top sealant, be arranged contaminated soil landfill body bottom sealed bottom layer and side seal layer in contaminated soil landfill body surrounding is set；The sealed bottom layer includes rubble protective layer from top to bottom, fine sand protective layer, the first barrier layer, first time fine sand protective layer and the first clay compaction layer on first；The top sealant includes greening soil layer from top to bottom, rubble drainage blanket, fine sand protective layer, the second barrier layer, second time fine sand protective layer and the second clay compaction layer on second；The top sealant is identical with side seal layer structure.The utility model solidification is stablized, and osmosis pollution object is not easy, easy for construction, convenient for monitoring.
Description
Technical field
The utility model is related to environmental technology fields, and in particular to a kind of soil barrier landfill seepage control system.
Background technology
With the acceleration of economic development and urbanization, place soil pollution caused by industrial and mining enterprises is extremely serious.Due to production
The variation and adjustment of industry structure and city layout, the contaminating enterprises such as some chemical industry, metallurgy move one after another, in addition some enterprises fall
It closes, contaminated soil place constantly generates.Soil is that human society produces movable important substance basis, is indispensable, is difficult to
Regenerated natural resources.The contaminated site not handled will be Chemical Time Bomb, once large area outburst will can to country
Sustainable development causes influence difficult to the appraisal, therefore must give the prevention of soil pollution and contaminated soil remediation height weight
Depending on.It is therefore desirable to properly manage and repaired, it is made rationally to be utilized.
Soil remediation generally utilizes the method transfer of physics, chemistry and biology, absorbs, the pollution in degradation and conversion soil
Object makes its concentration be reduced to acceptable level, or converts poisonous and hazardous pollutant to harmless substance.Contaminated soil remediation
Technology generally use pollution sources treatment technology carries out chemically or physically method to the soil being contaminated and handles, reduces therein
Pollutant concentration, or reduce the activity and migration of target contaminant so that the risk that soil recycles reaches acceptable level.
And some serious pollution soil can still have pollutant migration and diffusion risk after the processing of pollution sources treatment technology.
Utility model content
To solve the above problems, the utility model provides a kind of soil barrier landfill seepage control system, it is easy for construction, while energy
So that pretreated soil is isolated with surrounding environment, subsequent contamination object is avoided to be migrated with human contact and with precipitation or underground water
And then it causes damages to human body and ambient enviroment.
The technical solution of the utility model：
A kind of soil barrier landfill seepage control system, including contaminated soil landfill body, setting are above contaminated soil landfill body
Top sealant, be arranged contaminated soil landfill body lower part sealed bottom layer and be arranged in contaminated soil landfill body surrounding
Side seal layer；The sealed bottom layer includes rubble protective layer from top to bottom, fine sand protective layer, the first barrier on first
Layer, first time fine sand protective layer and the first clay compaction layer；The top sealant includes greening soil layer from top to bottom, broken
Stone drainage blanket, fine sand protective layer, the second barrier layer, second time fine sand protective layer and the second clay compaction layer on second；The top
Portion's sealant is identical with side seal layer structure.
Preferably, flow guide system is provided in the rubble drainage blanket, the flow guide system connects collecting pit, collects
Drainage system on the external highway of pond connection, the collecting pit and drainage system junction are provided with monitoring system.
Preferably, the first long filament geotextiles are laid with above first barrier layer respectively from the bottom to top, the first bentonite is prevented
Water blanket and the first HDPE geomembranes.
Preferably, the second long filament geotextiles are laid with above second barrier layer respectively from the bottom to top, the second bentonite is prevented
Water blanket and the 2nd HDPE geomembranes.
The beneficial effects of the utility model：
The utility model solidification is stablized, easy for construction, convenient for monitoring.There will be contaminated soils to seal up for safekeeping for the utility model
Original place limits contaminant transportation, cuts off route of exposure, reduces the exposure of pollutant, protection receptor safety.The utility model
Advantage of lower cost, the engineering construction period is short, has preferable control effect to the pollution of different type pollutant.
It is laid with long filament geotextiles, bentonite waterproof blanket and HDPE geotechniques above first barrier layer respectively from the bottom to top
Film.Multilayer flashing safeguard procedures, it is safer.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of top sealant and side seal layer.
Fig. 3 is the structural schematic diagram of sealed bottom layer.
In attached drawing, 1- contaminated soil landfills body, 2- top sealants, 3- sealed bottoms layer, 4- side seals layer, 21- are green
Change with soil layer, 22- rubbles drainage blanket, fine sand protective layer on 23- second, the second barrier layers of 24-, second time fine sand protective layer of 25-,
The second clay compactions of 26- layer, 27- flow guide systems, 31- rubbles protective layer, fine sand protective layer, 33- first are obstructed on 32- first
Layer, first time fine sand protective layer of 34-, the first clay compactions of 35- layer, the second long filaments of 241- geotextiles, the second bentonites of 242- are anti-
Water blanket, the 2nd HDPE geomembranes of 243-, the first long filaments of 331- geotextiles, the first bentonite waterproof blanket of 332-, the first HDPE of 333-
Geomembrane.
Specific implementation mode
As shown in Figure 1-Figure 3, a kind of soil barrier landfill seepage control system, including contaminated soil landfill body 1, setting are polluting
Top sealant 2 above soil landfill body is arranged and exists in the sealed bottom layer 3 of 1 lower part of contaminated soil landfill body and setting
The side seal layer 4 of 1 surrounding of contaminated soil landfill body；The sealed bottom layer 3 includes rubble protective layer 31 from top to bottom, the
Fine sand protective layer 32, the first barrier layer 33, first time fine sand protective layer 34 and the first clay compaction layer 35 on one；The top is close
Sealing 2 includes greening soil layer 21 from top to bottom, fine sand protective layer 23 on rubble drainage blanket 22, second, the second barrier layer 24,
Second time fine sand protective layer 25 and the second clay compaction layer 26；The top sealant 2 is identical with 4 structure of side seal layer.
Preferably, flow guide system 27 is provided in the rubble drainage blanket 22, the flow guide system 27 connection is collected
Pond, collecting pit connect the drainage system on external highway, and the collecting pit and drainage system junction are provided with monitoring system.
Preferably, first barrier layer, 33 top is laid with the first long filament geotextiles 331, the first swelling respectively from the bottom to top
Native waterproof blanket 332 and the first HDPE geomembranes 333.
Preferably, second barrier layer, 24 top is laid with the second long filament geotextiles 241, the second swelling respectively from the bottom to top
Native waterproof blanket 242 and the 2nd HDPE geomembranes 243.
Mainly groundwater monitoring well, monitoring well is arranged along barrier region groundwater flow direction in the monitoring of baffle system
It is separately positioned on inside the upstream, downstream and barrier region of barrier region.The ground in the barrier region is flowed through by comparing analysis
Target contaminant changes of contents in lower water understands influence of the barrier region to ambient enviroment, and makes a response in due course in time, prevents
Secondary pollution.
The utility model solidification is stablized, and osmosis pollution object is not easy, easy for construction, convenient for monitoring.The utility model there will be
Contaminated soil is sealed up for safekeeping in situ, and contaminant transportation is limited, and is cut off route of exposure, is reduced the exposure of pollutant, protection by
Body safety.The utility model advantage of lower cost, the engineering construction period is short, has to the pollution of different type pollutant preferable
Control effect.
Flow guide system 27 is provided in rubble drainage blanket 22 described in the utility model, the flow guide system 27 is collected
Pond connects the drainage system on external highway after collecting, the collecting pit and drainage system junction are provided with monitoring system, and one
The ponding on 4 surface of top sealant 2 and side seal layer is drained when aspect is rained heavily, will not be caused under a large amount of ponding
It oozes, another aspect drainage position has monitoring system, can detect the water quality situation of the water of discharge, avoids pollution surrounding water quality.
It is laid with the first long filament geotextiles 331, the first bentonite waterproof blanket respectively from the bottom to top above first barrier layer
332 and the first HDPE geomembrane 333.Multilayer flashing safeguard procedures, it is safer.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (4)
1. a kind of soil barrier landfill seepage control system, which is characterized in that including contaminated soil landfill body, be arranged in contaminated soil heap
The top sealant filled out above body, be arranged contaminated soil landfill body lower part sealed bottom layer and be arranged in contaminated soil heap
Fill out the side seal layer of body surrounding；The sealed bottom layer includes rubble protective layer from top to bottom, fine sand protective layer on first,
First barrier layer, first time fine sand protective layer and the first clay compaction layer；The top sealant includes greening from top to bottom
With fine sand protective layer, the second barrier layer, second time fine sand protective layer and the second clay compaction on soil layer, rubble drainage blanket, second
Layer；The top sealant is identical with side seal layer structure.
2. a kind of soil barrier landfill seepage control system according to claim 1, which is characterized in that the rubble drainage blanket
It is inside provided with flow guide system, the flow guide system connects collecting pit, and the drainage system on the external highway of collecting pit connection is described
Collecting pit and drainage system junction are provided with monitoring system.
3. a kind of soil barrier landfill seepage control system according to claim 1, which is characterized in that on first barrier layer
Side is laid with the first long filament geotextiles, the first bentonite waterproof blanket and the first HDPE geomembranes respectively from the bottom to top.
4. a kind of soil barrier landfill seepage control system according to claim 1, which is characterized in that on second barrier layer
Side is laid with the second long filament geotextiles, the second bentonite waterproof blanket and the 2nd HDPE geomembranes respectively from the bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182927.5U CN207944451U (en) | 2018-02-02 | 2018-02-02 | A kind of soil barrier landfill seepage control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182927.5U CN207944451U (en) | 2018-02-02 | 2018-02-02 | A kind of soil barrier landfill seepage control system |
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| Publication Number | Publication Date |
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| CN207944451U true CN207944451U (en) | 2018-10-09 |
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| CN201820182927.5U Active CN207944451U (en) | 2018-02-02 | 2018-02-02 | A kind of soil barrier landfill seepage control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282954A (en) * | 2020-02-12 | 2020-06-16 | 四川省生态环境科学研究院 | Sodium sulfide waste residue soil pollution risk management and control system |
| CN111794285A (en) * | 2020-06-08 | 2020-10-20 | 郑州大学 | Horizontal blocking method for risk control of polluted land |
| CN115387394A (en) * | 2022-08-19 | 2022-11-25 | 生态环境部环境规划院 | Method for treating heavy metal contaminated soil by utilizing newly-built expressway |
-
2018
- 2018-02-02 CN CN201820182927.5U patent/CN207944451U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282954A (en) * | 2020-02-12 | 2020-06-16 | 四川省生态环境科学研究院 | Sodium sulfide waste residue soil pollution risk management and control system |
| CN111794285A (en) * | 2020-06-08 | 2020-10-20 | 郑州大学 | Horizontal blocking method for risk control of polluted land |
| CN111794285B (en) * | 2020-06-08 | 2021-12-17 | 郑州大学 | Horizontal blocking method for risk control of polluted land |
| CN115387394A (en) * | 2022-08-19 | 2022-11-25 | 生态环境部环境规划院 | Method for treating heavy metal contaminated soil by utilizing newly-built expressway |
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