CN221095222U - Landfill covering structure - Google Patents
Landfill covering structure Download PDFInfo
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- CN221095222U CN221095222U CN202322750024.6U CN202322750024U CN221095222U CN 221095222 U CN221095222 U CN 221095222U CN 202322750024 U CN202322750024 U CN 202322750024U CN 221095222 U CN221095222 U CN 221095222U
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- layer
- collecting
- collecting pipe
- pipe
- landfill
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- 239000002689 soil Substances 0.000 claims description 26
- 239000004927 clay Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 10
- 235000015097 nutrients Nutrition 0.000 claims description 9
- 239000004746 geotextile Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 235000016709 nutrition Nutrition 0.000 claims description 2
- 230000035764 nutrition Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 2
- 239000002351 wastewater Substances 0.000 claims 1
- 239000011799 hole material Substances 0.000 abstract description 14
- 239000004576 sand Substances 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000010813 municipal solid waste Substances 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a landfill covering structure, which comprises an exhaust assembly, wherein the exhaust assembly comprises a first collecting pipe, collecting holes, a fixed ring, a filter cover, a second collecting pipe, a delivery pipe, a box body, a filter plate and a conveying pipe; the collecting holes are uniformly formed in the lower surface of the first collecting pipe, the outer side wall of the first collecting pipe is uniformly and fixedly connected with a fixing ring through bolts, and one side of the fixing ring is fixedly connected with a filter cover. According to the utility model, the permeability coefficient of the area near the collecting hole is increased by arranging the delivery pipe in the exhaust layer, so that gas can be collected smoothly, meanwhile, the filter cover is arranged outside the collecting hole, sand and stone can be effectively prevented from entering the collecting pipe, the condition that the collecting pipe is blocked is avoided, meanwhile, the collected gas is filtered and sterilized through the delivery pipe, and is recovered through the delivery pipe, so that environmental pollution is avoided, and meanwhile, combustible gas in the gas is fully utilized, and resources are saved.
Description
Technical field:
the utility model relates to a covering structure, in particular to a covering structure of a refuse landfill, and belongs to the technical field of refuse landfill.
The background technology is as follows:
the harmless treatment mode of the garbage mainly comprises three treatment modes of landfill, incineration and composting, wherein the landfill is to fill garbage into a depression or a big pit, and the contact part between the ground and the garbage is covered by an impermeable material to prevent the garbage percolate from entering underground water to pollute; paving a drainage pipeline at the bottom of the field to guide percolate out of the field; an air guide system is arranged in the garbage body to guide out landfill air; cut-off furrows are dug around the field to avoid flood entering the field.
Chinese public authority is novel: CN218252084U proposes a landfill covering system, including covering body and many guide and discharge pipes, this system can make gas, sewage etc. that produce in the rubbish collect the back and discharge through the guide and discharge pipe, when the guide and discharge pipe passes the prevention of seepage membrane, through setting up the sealing membrane structure, has strengthened the effective cover to guide and discharge pipe surface, has promoted the sealing effect of guide and discharge pipe and prevention of seepage membrane seam crossing, can prevent that the rainwater from penetrating into inside the rubbish through this gap, has reduced the production volume of rubbish leachate, avoids leachate to cause the pollution to surrounding environment.
However, when the system is applied to a landfill site, one end of the guide and discharge pipe is directly arranged in the landfill, the landfill is easy to enter the guide and discharge pipe, the blocking of the guide and discharge pipe is caused, normal exhaust is affected, and meanwhile, the plurality of guide and discharge pipes directly discharge gas generated by decomposing garbage, so that the environment is polluted, and meanwhile, the waste of combustible gas such as methane is caused.
The utility model comprises the following steps:
The present utility model is directed to a landfill covering structure, which solves one of the problems set forth in the background art.
The utility model is implemented by the following technical scheme: the garbage landfill covering structure comprises an exhaust assembly, wherein the exhaust assembly comprises a first collecting pipe, a collecting hole, a fixing ring, a filter cover, a second collecting pipe, a delivery pipe, a box body, a filter plate and a conveying pipe;
The collecting hole has evenly been seted up to the lower surface of first collecting pipe, the outer lateral wall of first collecting pipe passes through the even fixedly connected with solid fixed ring of bolt, one side fixedly connected with filter mantle of solid fixed ring, the filter mantle sets up in the outer lateral wall of first collecting pipe, the outer lateral wall intercommunication of first collecting pipe has the second collecting pipe, the top of first collecting pipe is provided with the delivery tube, the one end intercommunication of delivery tube has the box, the inside wall fixedly connected with filter of box, one side intercommunication of box has the conveyer pipe.
As a further preferred aspect of the present invention: the outside of the exhaust assembly is provided with a covering assembly, and the covering assembly comprises a refuse landfill, an exhaust layer, an impermeable film, a first geotechnical cloth layer, a drainage layer, a second geotechnical cloth layer, a clay layer, a natural soil layer, a nutrient soil layer and a vegetation layer;
the top cover of landfill is provided with the exhaust layer, first collecting pipe sets up in the inside of exhaust layer.
As a further preferred aspect of the present invention: the top cover of exhaust layer is provided with the barrier layer, the top cover of barrier layer is provided with the barrier film.
As a further preferred aspect of the present invention: the top of the impermeable film is covered and provided with a first geotechnical cloth layer.
As a further preferred aspect of the present invention: the top cover of first geotechnique's cloth layer is provided with drainage layer.
As a further preferred aspect of the present invention: the top of drainage layer covers and is provided with second geotechnique's cloth layer.
As a further preferred aspect of the present invention: the top cover of second geotechnique's cloth layer is provided with the clay layer, the top cover of clay layer is provided with natural soil layer, the top cover of natural soil layer is provided with the nutrition soil layer.
As a further preferred aspect of the present invention: the top of the nutrient soil layer is covered and provided with a vegetation layer.
The utility model has the advantages that: according to the utility model, the permeability coefficient of the area near the collecting hole is increased by arranging the delivery pipe in the exhaust layer, so that gas can be collected smoothly, meanwhile, the filter cover is arranged outside the collecting hole, sand and stone can be effectively prevented from entering the collecting pipe, the condition that the collecting pipe is blocked is avoided, meanwhile, the collected gas is filtered and sterilized through the delivery pipe, and is recovered through the delivery pipe, so that environmental pollution is avoided, and meanwhile, combustible gas in the gas is fully utilized, and resources are saved.
Description of the drawings:
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of an exhaust assembly according to the present utility model;
FIG. 3 is a schematic view of the internal structure of the case of the present utility model;
FIG. 4 is a schematic view of the structure of the collecting hole of the present utility model.
In the figure: 10. a cover assembly; 11. a landfill; 12. an exhaust layer; 13. an impermeable layer; 14. an impermeable membrane; 15. a first geotechnical cloth layer; 16. a drainage layer; 17. a second geotechnical cloth layer; 18. a clay layer; 19. natural soil layer; 110. a nutrient soil layer; 111. a vegetation layer; 20. an exhaust assembly; 21. a first collection tube; 22. a collection hole; 23. a fixing ring; 24. a filter cover; 25. a second collection tube; 26. a delivery tube; 27. a case; 28. a filter plate; 29. a conveying pipe.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: the landfill covering structure comprises an exhaust assembly 20, wherein the exhaust assembly 20 comprises a first collecting pipe 21, a collecting hole 22, a fixing ring 23, a filter cover 24, a second collecting pipe 25, a delivery pipe 26, a box 27, a filter plate 28 and a conveying pipe 29;
The collecting hole 22 has evenly been seted up to the lower surface of first collecting pipe 21, the outer lateral wall of first collecting pipe 21 passes through the even fixedly connected with solid fixed ring 23 of bolt, one side fixedly connected with filter mantle 24 of solid fixed ring 23, filter mantle 24 sets up in the outer lateral wall of first collecting pipe 21, the outer lateral wall intercommunication of first collecting pipe 21 has second collecting pipe 25, the top of first collecting pipe 21 is provided with delivery tube 26, the one end intercommunication of delivery tube 26 has box 27, the inside wall fixedly connected with filter 28 of box 27, one side intercommunication of box 27 has conveyer pipe 29.
In this embodiment, specific: the cover assembly 10 is arranged outside the exhaust assembly 20, and the cover assembly 10 comprises a landfill 11, an exhaust layer 12, an impermeable layer 13, an impermeable film 14, a first geotextile layer 15, a drainage layer 16, a second geotextile layer 17, a clay layer 18, a natural soil layer 19, a nutrient soil layer 110 and a vegetation layer 111;
The top cover of landfill 11 is provided with exhaust layer 12, and first collecting pipe 21 sets up in the inside of exhaust layer 12, adopts the grit to lay 300mm thick exhaust layer 12 in landfill 11 top to make exhaust layer 12 satisfy the requirement that osmotic coefficient is greater than 1 x 10 -2 cm/s, can guarantee that the gas pressure of barrier layer 13 is not greater than 0.75kPa.
In this embodiment, specific: the top of the exhaust layer 12 is covered with an impermeable layer 13, the top of the impermeable layer 13 is covered with an impermeable film 14, the impermeable layer 13 is made of 600mm compacted clay, the impermeable film 14 is made of 1.5mm thick HDPE impermeable film 14, and the permeability coefficient is less than or equal to 1.0X10 -12 cm/s.
In this embodiment, specific: the top of the impermeable membrane 14 is covered with a first geotextile layer 15 which has good water conductivity, and can form a drainage channel in the soil body to drain the redundant liquid and gas in the soil body structure.
In this embodiment, specific: the top of the first geotechnical layer 15 is covered with a drainage layer 16, and the drainage layer 16 is a 300mm thick d20mm-d30mm sand gravel drainage layer 16.
In this embodiment, specific: the drainage layer 16 is provided with a second geotextile layer 17 covered on top.
In this embodiment, specific: the top of the second geotechnical layer 17 is covered with a clay layer 18, the top of the clay layer 18 is covered with a natural soil layer 19, and the top of the natural soil layer 19 is covered with a nutrient soil layer 110.
In this embodiment, specific: the top of the nutrient soil layer 110 is covered with a vegetation layer 111, and a clay layer 18 with the thickness of 300mm, a natural soil layer 19 with the thickness of 200mm and a nutrient soil layer 110 with the thickness of 200mm are paved on the drainage layer 16 so as to facilitate root planting and plant planting, prevent erosion and damage of water and soil loss and the anti-seepage clay layer 18, and play a role in water and soil conservation.
Principle of operation or principle of structure: in the process of decomposing the landfill 11, generated gas enters the cover assembly 10, due to the effects of the impermeable layer 13 and the impermeable film 14, the gas is retained in the exhaust layer 12, the gas is collected through the collecting holes 22, the filter cover 24 can enable the gas to smoothly pass through the collecting holes 22 in the collecting process, sand and stone are prevented from entering the collecting pipe, the condition that the collecting pipe is blocked is avoided, normal exhaust is ensured, the gas enters the box 27 through the delivery pipe 26, bacteria are filtered through the filter plate 28, and the gas generated by decomposing the landfill 11 is completely recycled through the delivery pipe 29, so that resources are saved, and the environment is protected.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The landfill covering structure comprises an exhaust assembly (20), and is characterized in that the exhaust assembly (20) comprises a first collecting pipe (21), a collecting hole (22), a fixing ring (23), a filtering cover (24), a second collecting pipe (25), a delivery pipe (26), a box body (27), a filtering plate (28) and a conveying pipe (29);
the utility model discloses a collecting device for collecting waste water, including first collecting pipe (21), collecting hole (22) have evenly been seted up to the lower surface of first collecting pipe (21), the lateral wall of first collecting pipe (21) passes through bolt evenly fixedly connected with solid fixed ring (23), one side fixedly connected with filter mantle (24) of solid fixed ring (23), filter mantle (24) set up in the lateral wall of first collecting pipe (21), the lateral wall intercommunication of first collecting pipe (21) has second collecting pipe (25), the top of first collecting pipe (21) is provided with delivery tube (26), the one end intercommunication of delivery tube (26) has box (27), the inside wall fixedly connected with filter (28) of box (27), one side intercommunication of box (27) has conveyer pipe (29).
2. A landfill cover structure according to claim 1, wherein a cover assembly (10) is provided outside the exhaust assembly (20), the cover assembly (10) comprising a landfill (11), an exhaust layer (12), an impermeable layer (13), an impermeable membrane (14), a first geotextile layer (15), a drainage layer (16), a second geotextile layer (17), a clay layer (18), a natural soil layer (19), a nutrient soil layer (110) and a vegetation layer (111);
The top of the refuse landfill (11) is covered and provided with an exhaust layer (12), and the first collecting pipe (21) is arranged in the exhaust layer (12).
3. A landfill covering structure according to claim 2, wherein the top cover of the exhaust layer (12) is provided with an impermeable layer (13), and the top cover of the impermeable layer (13) is provided with an impermeable membrane (14).
4. A landfill cover structure according to claim 3, wherein the top of the impermeable membrane (14) is covered with a first geotextile layer (15).
5. A landfill covering structure according to claim 4, wherein the top of the first geotechnical cloth layer (15) is covered with a drainage layer (16).
6. A landfill cover structure according to claim 5, wherein the top of the drainage layer (16) is covered with a second geotextile layer (17).
7. The landfill covering structure according to claim 6, wherein the top cover of the second geotechnical cloth layer (17) is provided with a clay layer (18), the top cover of the clay layer (18) is provided with a natural soil layer (19), and the top cover of the natural soil layer (19) is provided with a nutrition soil layer (110).
8. The landfill covering structure according to claim 7, wherein the top of the nutrient soil layer (110) is covered with a vegetation layer (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322750024.6U CN221095222U (en) | 2023-10-12 | 2023-10-12 | Landfill covering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322750024.6U CN221095222U (en) | 2023-10-12 | 2023-10-12 | Landfill covering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221095222U true CN221095222U (en) | 2024-06-07 |
Family
ID=91318428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322750024.6U Active CN221095222U (en) | 2023-10-12 | 2023-10-12 | Landfill covering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221095222U (en) |
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2023
- 2023-10-12 CN CN202322750024.6U patent/CN221095222U/en active Active
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