CN220099993U - Seepage-proofing landfill for urban waste - Google Patents
Seepage-proofing landfill for urban waste Download PDFInfo
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- CN220099993U CN220099993U CN202321096692.5U CN202321096692U CN220099993U CN 220099993 U CN220099993 U CN 220099993U CN 202321096692 U CN202321096692 U CN 202321096692U CN 220099993 U CN220099993 U CN 220099993U
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- seepage
- landfill
- waste liquid
- layer
- pit
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- 239000002699 waste material Substances 0.000 title claims abstract description 54
- 239000010410 layer Substances 0.000 claims description 28
- 239000011241 protective layer Substances 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 33
- 230000008595 infiltration Effects 0.000 abstract description 9
- 238000001764 infiltration Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 5
- 239000003673 groundwater Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to the technical field of seepage-proofing landfill sites and discloses a seepage-proofing landfill site for urban waste, which comprises a protection layer and a storage pit, wherein the protection layer and the storage pit are paved on the pit wall, a seepage-proofing layer is paved on the top of the protection layer, a drainage groove capable of draining is formed in the outer surface of the seepage-proofing layer, a diversion groove capable of guiding is formed in the top of the seepage-proofing layer and positioned on one side of the drainage groove, and a storable collecting box is arranged at the bottom of the storage pit. This a prevention of seepage landfill for municipal waste sets up through the cooperation of drainage groove and guiding gutter, can collect and drain the waste liquid that the discarded object oozes down, consequently reduces the time that the waste liquid persisted on the pit wall, and then reduces the possibility of waste liquid infiltration underground, through the setting of collecting box, can collect the waste liquid that leaves and store to avoid the direct infiltration downwards of waste liquid, and waste liquid position is fixed, more makes things convenient for the staff to handle the waste liquid.
Description
Technical Field
The utility model relates to the technical field of impermeable landfill sites, in particular to an impermeable landfill site for urban waste.
Background
Groundwater is an important component of water resources in China, and 30% of the total water resources in China and 20% of the total water supply in China come from groundwater. The underground water pollution sources are various, and can be divided into industrial pollution sources, agricultural pollution sources and living pollution sources according to the source of the generated pollutants, and in the investigation and evaluation work of the national underground water foundation environment conditions, dangerous waste disposal sites and landfill sites are included in seven types of pollution sources which are mainly investigated, and once the pollution is received, the pollution is difficult to recover due to the characteristics of concealment, complexity and difficult control and management of the underground water pollution.
In addition, the landfill is used as a safe, economical and effective final solid waste disposal scheme, and the research on the stability of the landfill is an important problem related to the economy and safety of the landfill, and the slope of the landfill is too slow, so that the garbage capacity of the landfill is reduced; however, the slope is too steep, the slope instability is easy to cause, immeasurable risks are brought to lives and properties of people downstream of the slope of the landfill, which has attracted high importance to the geotechnical engineering world, and research shows that even in the landfill with good design and construction, the leakage of percolate and pollution to groundwater are still major environmental risks, and in the structural development area with complex hydrogeological conditions, the space-time variation of groundwater is strong, the groundwater level rapidly rises in rainy seasons, and the groundwater level rapidly drops in dry seasons. This increases the risk of leakage of the landfill anti-seepage system, and in rainy seasons the groundwater level rises rapidly, and once the maximum load of the landfill subsurface water collection and drainage system is exceeded, groundwater will enter the landfill.
The stability of the landfill is an important guarantee for safe operation, and is also relevant to life and property of people, so that the analysis of the three-dimensional stability of the pile body of the waste landfill is carried out, and the method has important significance for landfill treatment of urban waste and ensuring safe and stable operation of the landfill.
Disclosure of Invention
(one) solving the technical problems
In order to overcome the defects in the prior art, the utility model provides an anti-seepage landfill for urban waste, which solves the problems in the prior art that:
even in a landfill with good design and construction, the leakage of percolate pollutes groundwater is still a main environmental risk, and in a structural development area with complex hydrogeological conditions, the space-time variation of groundwater is strong, the groundwater level is rapidly raised in rainy seasons, and the groundwater level is rapidly lowered in dry seasons. This increases the risk of leakage of the landfill anti-seepage system, and the groundwater level rises rapidly in the rainy season, and once the maximum load of the landfill groundwater collection and drainage system is exceeded, groundwater will enter the landfill.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a but, prevention of seepage landfill for municipal waste, includes protective layer and the storage pit of laying on the wall of the pit, but the impermeable barrier has been laid at the top of protective layer, but drainage groove has been seted up to the surface of impermeable barrier, but the guiding gutter of water conservancy diversion has been seted up to one side that the impermeable barrier top was located the guiding gutter, but the collecting box of storage pit's bottom has been equipped with the constant head tank with guiding gutter looks adaptation, but the mounting hole that supplies the installation has been seted up to the inside wall of collecting box, but the inner wall grafting of mounting hole has the drain pipe of drainage.
Optionally, a platform capable of buffering is arranged in the middle of the pit wall, and the protective layer and the impermeable layer are both attached to the outer wall of the platform.
Optionally, a storage pit is formed in the bottom of the pit wall, and a mounting groove for mounting the collecting box is formed in the top of the storage pit.
Optionally, an installation groove for installation is formed in one side of the collecting box, and an impermeable filling layer is inserted into the inner side wall of the installation groove.
Optionally, an impermeable membrane capable of being impermeable is laid on the inner side wall of the collecting box, and a supporting column capable of being supported is fixedly connected with the inner bottom wall of the collecting box.
Optionally, the top fixedly connected with of support column can support the layer board, but the wash port of drainage has been seted up at the top of layer board.
(III) beneficial effects
The utility model provides an anti-seepage landfill for urban waste, which has the following beneficial effects:
1. this a prevention of seepage landfill for municipal waste sets up through the cooperation of drainage groove and guiding gutter, can collect and drain the waste liquid that the discarded object oozes down, consequently reduces the time that the waste liquid persisted on the pit wall, and then reduces the possibility of waste liquid infiltration underground, through the setting of collecting box, can collect the waste liquid that leaves and store to avoid the direct infiltration downwards of waste liquid, and waste liquid position is fixed, more makes things convenient for the staff to handle the waste liquid.
2. This a prevention of seepage landfill for municipal waste sets up through the cooperation of mounting hole and drain pipe, can be directly follow one side of collecting box outwards take out the waste liquid, consequently can in time outwards discharge the waste liquid when meetting strong precipitation to reduce the subaerial possibility of waste liquid infiltration, through the cooperation setting of barrier layer and protective layer, can carry out double-deck protection to the hole wall, and then reduce the condition of waste liquid infiltration hole wall.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the collecting box of the present utility model;
FIG. 3 is a schematic view of the support column mounting structure of the present utility model.
In the figure: 1. pit walls; 2. a protective layer; 3. an impermeable layer; 4. a platform; 5. drainage grooves; 6. a storage pit; 7. a diversion trench; 8. a collection box; 9. a positioning groove; 10. a mounting groove; 11. a filling layer; 12. an impermeable membrane; 13. a support column; 14. a supporting plate; 15. a drain hole; 16. a mounting hole; 17. and (5) a water drain pipe.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an anti-seepage landfill for municipal waste, includes protective layer 2 and storage pit 6 of laying on pit wall 1, but protective layer 2's top has laid impermeable barrier layer 3, but the platform 4 of buffering has been seted up at the middle part of pit wall 1, and protective layer 2 and impermeable barrier layer 3 all laminate in the outer wall of platform 4, and storage pit 6 has been seted up to the bottom of pit wall 1, and the mounting groove that can supply collection box 8 to install has been seted up at the top of storage pit 6;
through the cooperation setting of protective layer 2 and barrier layer 3, can form the double-deck protection on pit wall 1, consequently, can further reduce the possibility that waste liquid permeated underground, the material of protective layer 2 is the concrete, consequently, form preliminary protection on the surface of pit wall 1, the material of barrier layer 3 is the polymer, form the protection film on the surface of protective layer 2, and then reduce the circumstances of infiltration, through setting up of platform 4, can be when pouring the discarded object, consequently, can reduce the impact that the discarded object caused pit wall 1, through setting up of storage pit 6, can collect and deposit most discarded object;
embodiment two:
the outer surface of the impermeable layer 3 is provided with a drainage groove 5 capable of guiding water, the top of the impermeable layer 3 is positioned on one side of the drainage groove 5, a diversion groove 7 capable of guiding water is arranged on the bottom of the storage pit 6, a storable collecting box 8 is arranged at the bottom of the storage pit 6, a positioning groove 9 matched with the diversion groove 7 is arranged at the top of the collecting box 8, a mounting groove 10 capable of being mounted is arranged on one side of the collecting box 8, and a seepage-proof filling layer 11 is inserted into the inner side wall of the mounting groove 10;
through the cooperation setting of drainage groove 5 and guiding gutter 7, can collect and drain the waste liquid that the discarded object oozes down, consequently reduce the time that the waste liquid remains on pit wall 1, and then reduce the possibility that the waste liquid oozes underground, through the setting of collecting box 8, can collect the waste liquid that leaves and store, thereby avoid the direct infiltration downwards of waste liquid, and the waste liquid position is fixed, more make things convenient for the staff to handle the waste liquid, through setting up of constant head tank 9, can further drain the waste liquid, through setting up of mounting groove 10, can install filling layer 11, consequently can protect the bottom of collecting box 8 with the help of filling layer 11, also can absorb the waste liquid that oozes down simultaneously, and then stop the waste liquid to continue infiltration downwards;
embodiment III:
the inner side wall of the collecting box 8 is paved with an impermeable membrane 12 which can be impermeable, the inner bottom wall of the collecting box 8 is fixedly connected with a supporting column 13 which can be supported, the top of the supporting column 13 is fixedly connected with a supporting plate 14 which can be supported, the top of the supporting plate 14 is provided with a drainage hole 15 which can be drained, the inner side wall of the collecting box 8 is provided with a mounting hole 16 which can be used for mounting, and the inner wall of the mounting hole 16 is inserted with a drainage pipe 17 which can be drained;
through the setting of prevention of seepage membrane 12, can lay in the bottom of collection box 8, and then promote the leakproofness of collection box 8, through the setting of support column 13, can support and fix the bottom of layer board 14, thereby guarantee the supporting stability of layer board 14, and layer board 14 also can protect the collection box 8 of below, through the cooperation setting of mounting hole 16 and drain pipe 17, can directly follow the one side of collection box 8 outwards take out the waste liquid, consequently can in time outwards discharge the waste liquid when meetting strong precipitation, thereby reduce the possibility that the waste liquid permeated under.
In the utility model, the working steps of the device are as follows:
firstly, after the pit wall 1 is formed, the protective layer 2 can be paved on the pit wall 1, then the impermeable layer 3 is paved on the protective layer 2, the collecting boxes 8 are respectively installed, the drainage grooves 5 and the diversion grooves 7 are formed, after the paving is completed, waste can be poured into the storage pits 6, the exuded waste liquid can flow into the collecting boxes 8 through the drainage grooves 5 and the diversion grooves 7, and workers can draw out the waste water through the drain pipes 17.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An impermeable landfill for urban waste, comprising a protection layer (2) and a storage pit (6) laid on a pit wall (1), characterized in that: the anti-seepage drainage device is characterized in that an anti-seepage layer (3) is paved at the top of the protective layer (2), a drainage groove (5) capable of draining is formed in the outer surface of the anti-seepage layer (3), a diversion groove (7) capable of draining is formed in one side of the anti-seepage layer (3) at the top of the drainage groove (5), a storage tank (8) capable of storing is arranged at the bottom of the storage pit (6), a positioning groove (9) matched with the diversion groove (7) is formed in the top of the storage tank (8), a mounting hole (16) capable of being mounted is formed in the inner side wall of the storage tank (8), and a drainage pipe (17) capable of draining is inserted into the inner wall of the mounting hole (16).
2. An impermeable landfill for municipal waste according to claim 1, wherein: the middle part of pit wall (1) has offered platform (4) that can cushion, protective layer (2) and barrier layer (3) all laminate in the outer wall of platform (4).
3. An impermeable landfill for municipal waste according to claim 1, wherein: the bottom of pit wall (1) has seted up storage pit (6), the mounting groove that can supply collecting box (8) to install is seted up at the top of storage pit (6).
4. An impermeable landfill for municipal waste according to claim 1, wherein: one side of the collecting box (8) is provided with an installation groove (10) for installation, and the inner side wall of the installation groove (10) is inserted with a seepage-proof filling layer (11).
5. An impermeable landfill for municipal waste according to claim 1, wherein: the inner side wall of the collecting box (8) is paved with an impermeable membrane (12) which can be impermeable, and the inner bottom wall of the collecting box (8) is fixedly connected with a supporting column (13) which can be supported.
6. An impermeable landfill for municipal waste according to claim 5, wherein: the top of support column (13) fixedly connected with can support layer board (14), but drainage hole (15) of drainage are seted up at the top of layer board (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096692.5U CN220099993U (en) | 2023-05-09 | 2023-05-09 | Seepage-proofing landfill for urban waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096692.5U CN220099993U (en) | 2023-05-09 | 2023-05-09 | Seepage-proofing landfill for urban waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220099993U true CN220099993U (en) | 2023-11-28 |
Family
ID=88842041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321096692.5U Active CN220099993U (en) | 2023-05-09 | 2023-05-09 | Seepage-proofing landfill for urban waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220099993U (en) |
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2023
- 2023-05-09 CN CN202321096692.5U patent/CN220099993U/en active Active
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