CN220239594U - Exhaust and drainage device for refuse landfill - Google Patents
Exhaust and drainage device for refuse landfill Download PDFInfo
- Publication number
- CN220239594U CN220239594U CN202321741743.5U CN202321741743U CN220239594U CN 220239594 U CN220239594 U CN 220239594U CN 202321741743 U CN202321741743 U CN 202321741743U CN 220239594 U CN220239594 U CN 220239594U
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- China
- Prior art keywords
- pipe
- exhaust pipe
- landfill
- exhaust
- blast pipe
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- 239000010410 layer Substances 0.000 claims abstract description 40
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 229920001903 high density polyethylene Polymers 0.000 claims description 20
- 239000004700 high-density polyethylene Substances 0.000 claims description 20
- 239000004927 clay Substances 0.000 claims description 16
- 230000008595 infiltration Effects 0.000 claims description 14
- 238000001764 infiltration Methods 0.000 claims description 14
- 238000005260 corrosion Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 claims description 11
- 229910000278 bentonite Inorganic materials 0.000 claims description 5
- 239000000440 bentonite Substances 0.000 claims description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 3
- 241001391944 Commicarpus scandens Species 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000010813 municipal solid waste Substances 0.000 abstract description 32
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 22
- 238000005056 compaction Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to an exhaust and drainage device for a refuse landfill, and belongs to the technical field of refuse treatment. The garbage landfill is characterized by mainly comprising a garbage landfill, a percolate drain pipe, a transverse exhaust pipe I, a transverse exhaust pipe II and a vertical exhaust pipe, wherein a base layer, an impermeable layer and a protective layer are sequentially arranged on the bottom and peripheral slopes of the garbage landfill, a blind ditch is arranged on the protective layer, the percolate drain pipe is arranged in the blind ditch, the end part of the percolate drain pipe extends out of the garbage landfill, the transverse exhaust pipe I and the transverse exhaust pipe II are arranged at the top end of the percolate drain pipe, and the transverse exhaust pipe I and the transverse exhaust pipe II are communicated with the percolate drain pipe by the vertical exhaust pipe; the transverse exhaust pipe I, the transverse exhaust pipe II and the vertical exhaust pipe enable gas to flow smoothly, are convenient for directly collecting and storing gas or exhausting gas, avoid accident hidden trouble caused by unsmooth drainage of landfill gas, and can timely and effectively collect and drain garbage leachate collected above the bottom of a landfill site and a side slope impermeable layer.
Description
Technical Field
The utility model belongs to the technical field of garbage disposal, and particularly relates to an exhaust and drainage device for a garbage landfill.
Background
The gas generated in the new landfill is mainly methane and hydrogen sulfide, the gas quantity generated in the initial stage is small and then can be rapidly increased, an effective landfill gas guiding and exhausting facility is required to be arranged, fire and explosion caused by natural aggregation and migration of landfill gas are strictly prevented, and meanwhile, in order to ensure the reliability and the safety of the landfill, the pollution to the surrounding environment caused by leakage of landfill leachate is prevented, a leachate drain pipe is required to be arranged, so that the exhaust and drainage device for the landfill is provided.
Disclosure of Invention
In order to solve the problems of fire and explosion caused by natural aggregation and migration of landfill gas in a landfill site and pollution to the surrounding environment caused by leakage of leachate, the utility model provides an exhaust and drainage device for the landfill site; the transverse exhaust pipe I, the transverse exhaust pipe II and the vertical exhaust pipe enable gas to flow smoothly, are convenient for directly collecting and storing gas or exhausting gas, avoid accident hidden trouble caused by unsmooth drainage of landfill gas, and can timely and effectively collect and drain garbage leachate collected above the bottom of a landfill site and a side slope impermeable layer.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an exhaust drainage device for landfill mainly includes landfill site, infiltration liquid drain pipe, horizontal blast pipe I, horizontal blast pipe II, vertical blast pipe, landfill site end and slope all around on set gradually basic layer, barrier layer and protective layer, seted up the french drain on the protective layer, the infiltration liquid drain pipe is installed in the french drain, the tip extends landfill site, the round hole that is convenient for waste gas and infiltration liquid get into has been seted up at infiltration liquid drain pipe top and left and right sides to infiltration liquid drain pipe top and left and right sides, horizontal blast pipe I and horizontal blast pipe II are installed on infiltration liquid drain pipe top, vertical blast pipe is with horizontal blast pipe I and horizontal blast pipe II and infiltration liquid drain pipe intercommunication, evenly seted up the bleeder vent all around horizontal blast pipe I, horizontal blast pipe II and vertical blast pipe.
The percolate drain pipe, the transverse exhaust pipe I, the transverse exhaust pipe II and the vertical exhaust pipe are connected by adopting socket joints between the pipelines, so that the problem that the connection part caused by a welding connection mode is easy to break when being subjected to pressure is avoided, and the damage to the pipeline is avoided, so that the use is convenient.
The impermeable layer consists of a high-density polyethylene geomembrane, high-density polyethylene and a bentonite waterproof blanket, a compacted clay base layer is arranged below the impermeable layer, and compacted clay is paved at the top end of the impermeable layer to form a protective layer.
The leachate drain pipe adopts a high-density polyethylene high-strength corrosion-resistant pipe, the transverse exhaust pipe I and the transverse exhaust pipe II adopt porous ND100 high-density polyethylene high-strength corrosion-resistant pipes, the vertical exhaust pipe adopts porous DN200 high-density polyethylene high-strength corrosion-resistant pipes, and the vertical exhaust pipe is higher than the upper end face of the landfill site.
The utility model has the beneficial effects that:
the transverse exhaust pipe I, the transverse exhaust pipe II and the vertical exhaust pipe enable gas to flow smoothly, are convenient for directly collecting and storing gas or exhausting gas, avoid accident hidden trouble caused by unsmooth drainage of landfill gas, and can timely and effectively collect and drain garbage leachate collected on the bottom of a landfill site and above a side slope impermeable layer.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic partial cut-away perspective view of the present utility model, 1.
Fig. 3 is a schematic partial cut-away view of fig. 2 of the present utility model.
Fig. 4 is a schematic partial cut-away perspective view of the present utility model, fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
The utility model discloses an exhaust and drainage device for a landfill, which mainly comprises a landfill 1, a percolate drain pipe 2, a transverse exhaust pipe I3, a transverse exhaust pipe II 4 and a vertical exhaust pipe 5, wherein a base layer, an impermeable layer and a protective layer are sequentially arranged on the bottom and peripheral slopes of the landfill 1, blind ditches are arranged on the protective layer, the percolate drain pipe 2 is arranged in the blind ditches, the end parts extend out of the landfill 1, round holes 21 for facilitating the entry of waste gas and percolate are formed in the top and the left side and the right side of the percolate drain pipe 2, the transverse exhaust pipe I3 and the transverse exhaust pipe II 4 are arranged at the top end of the percolate drain pipe 2, the transverse exhaust pipe I3 and the transverse exhaust pipe II 4 are communicated with the percolate drain pipe 2, and ventilation holes 31 are uniformly formed in the peripheries of the transverse exhaust pipe I3, the transverse exhaust pipe II 4 and the vertical exhaust pipe 5.
In the concrete implementation process, compacted clay is paved on the bottom and peripheral side slopes of a landfill site 1 as a base layer, then a impervious layer consisting of a high-density polyethylene geomembrane, high-density polyethylene and a bentonite waterproof blanket is paved, compacted clay is paved at the upper end of the impervious layer as a protection layer, a drainage blind ditch is dug in the protection layer, a percolate drain pipe 2 provided with an air guide gabion is installed in the blind ditch, then backfill compaction work is performed, the bearing capacity requirement and the stability requirement of the protection layer are ensured, groundwater is protected from being polluted, then a socket joint is adopted to connect the percolate drain pipe 2 with a vertical exhaust pipe 5, after connection is completed, domestic garbage is paved in the landfill site of the landfill site, the garbage is compacted continuously, when a certain depth is reached, the clay is paved at the upper end of the compacted garbage, and then the garbage is compacted, at this moment, install horizontal blast pipe I3 on vertical blast pipe 5 through socket joint, lay rubbish again after the installation, the clay of compaction is laid on rubbish top, lay according to one deck rubbish one deck clay, install horizontal blast pipe II 4 after finishing laying, can arrange the density of blast pipe according to rubbish kind and landfill 1 volume, the whole back of finishing of laying of rubbish, the device is also all installed and is accomplished, in the subsequent course, device drainage and exhaust do not need manual operation, horizontal blast pipe I3, horizontal blast pipe II 4, vertical blast pipe 5 makes the gas flow smooth and easy, be convenient for directly collect storage gas or exhaust gas, avoid landfill gas to lead the accident hidden danger that the drainage is unsmooth to bring, leachate drain pipe 2 can collect effectively and lead the drainage to collect the rubbish leachate above landfill 1 bottom and side slope barrier layer in time.
The outside of the percolate drain pipe 2, the transverse exhaust pipe I3, the transverse exhaust pipe II 4 and the vertical exhaust pipe 5 adopts an air guide stone cage which is formed by wrapping broken stone filter materials by a rigid anti-corrosion plastic net; under the constraint pressure effect that the gas guide gabion formed that makes rubbish pile up, round hole and bleeder vent still can keep normal seepage flow and exhaust, prevent stifled effectual, adopt socket joint to connect between each pipeline, easy cracked problem when receiving the pressure has been avoided to the junction that the welded connection mode leads to, has also avoided the destruction to the pipeline, convenient to use.
The impermeable layer consists of a high-density polyethylene geomembrane, high-density polyethylene and a bentonite waterproof blanket, a compacted clay base layer is arranged below the impermeable layer, and compacted clay is paved at the top end of the impermeable layer to form a protective layer; the base layer, the impermeable layer and the protective layer can effectively prevent the infiltration of leachate and protect groundwater from pollution.
The percolate drain pipe 2 is made of a high-density polyethylene high-strength corrosion-resistant pipe, the transverse exhaust pipe I3 and the transverse exhaust pipe II 4 are made of porous ND100 high-density polyethylene high-strength corrosion-resistant pipes, the vertical exhaust pipe 5 is made of porous DN200 high-density polyethylene high-strength corrosion-resistant pipes, and the vertical exhaust pipe 5 is higher than the upper end face of the landfill site 1; the high-density polyethylene high-strength corrosion-resistant pipe is light in weight, has good corrosion resistance, has good flexibility, can be laid along with the bending of topography in construction, has long service life, can lay horizontal blast pipe I3, horizontal blast pipe II 4 and vertical blast pipe 5 in the rubbish layer to can arrange the density of blast pipe according to rubbish kind and landfill 1 volume, improve the practicality of device.
The working process comprises the following steps:
in the concrete implementation process, compacted clay is paved on the bottom and peripheral side slopes of a landfill site 1 as a base layer, then a impervious layer consisting of a high-density polyethylene geomembrane, high-density polyethylene and a bentonite waterproof blanket is paved, compacted clay is paved at the upper end of the impervious layer as a protection layer, a drainage blind ditch is dug in the protection layer, a percolate drain pipe 2 provided with an air guide gabion is installed in the blind ditch, then backfill compaction work is performed, the bearing capacity requirement and the stability requirement of the protection layer are ensured, groundwater is protected from being polluted, then a socket joint is adopted to connect the percolate drain pipe 2 with a vertical exhaust pipe 5, after connection is completed, domestic garbage is paved in the landfill site of the landfill site, the garbage is compacted continuously, when a certain depth is reached, the clay is paved at the upper end of the compacted garbage, and then the garbage is compacted, at this moment, install horizontal blast pipe I3 on vertical blast pipe 5 through socket joint, lay rubbish again after the installation, the clay of compaction is laid on rubbish top, lay according to one deck rubbish one deck clay, install horizontal blast pipe II 4 after finishing laying, can arrange the density of blast pipe according to rubbish kind and landfill 1 volume, the whole back of finishing of laying of rubbish, the device is also all installed and is accomplished, in the subsequent course, device drainage and exhaust do not need manual operation, horizontal blast pipe I3, horizontal blast pipe II 4, vertical blast pipe 5 makes the gas flow smooth and easy, be convenient for directly collect storage gas or exhaust gas, avoid landfill gas to lead the accident hidden danger that the drainage is unsmooth to bring, leachate drain pipe 2 can collect effectively and lead the drainage to collect the rubbish leachate above landfill 1 bottom and side slope barrier layer in time.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (4)
1. An exhaust and drainage device for a landfill site, which is characterized in that: an exhaust drainage device for landfill site include landfill site (1), infiltration liquid drain pipe (2), horizontal blast pipe I (3), horizontal blast pipe II (4), vertical blast pipe (5), landfill site (1) at the bottom of the scene and around set gradually basic layer, barrier layer and protective layer on the slope, offered the blind ditch on the protective layer, infiltration liquid drain pipe (2) are installed in the blind ditch, tip extends landfill site (1), round hole (21) convenient to waste gas and infiltration liquid get into have been offered at infiltration liquid drain pipe (2) top and left and right sides, horizontal blast pipe I (3) and horizontal blast pipe II (4) are installed on infiltration liquid drain pipe (2) top, vertical blast pipe (5) are with horizontal blast pipe I (3) and horizontal blast pipe II (4) and infiltration liquid drain pipe (2) intercommunication, horizontal blast pipe I (3), horizontal blast pipe II (4) and vertical blast pipe (5) evenly offer bleeder vent (31) all around.
2. An exhaust and drainage apparatus for a landfill site according to claim 1, wherein: the percolate drain pipe (2), the transverse exhaust pipe I (3), the transverse exhaust pipe II (4) and the vertical exhaust pipe (5) are connected by adopting a socket joint type joint between the pipelines by adopting a rigid anti-corrosion plastic net to wrap the air guide gabion of the crushed stone filter material, so that the problem that the joint caused by a welding connection mode is easy to break when being subjected to pressure is avoided, and the damage to the pipeline is avoided, so that the pipeline is convenient to use.
3. An exhaust and drainage device for a landfill site according to claim 1 or 2, wherein: the impermeable layer consists of a high-density polyethylene geomembrane, high-density polyethylene and a bentonite waterproof blanket, a compacted clay base layer is arranged below the impermeable layer, and compacted clay is paved at the top end of the impermeable layer to form a protective layer.
4. An exhaust and drainage device for a landfill site according to claim 1 or 2, wherein: the leachate drain pipe (2) adopts a high-density polyethylene high-strength corrosion-resistant pipe, the transverse exhaust pipe I (3) and the transverse exhaust pipe II (4) adopt porous ND100 high-density polyethylene high-strength corrosion-resistant pipes, the vertical exhaust pipe (5) adopts porous DN200 high-density polyethylene high-strength corrosion-resistant pipes, and the vertical exhaust pipe (5) is higher than the upper end surface of the landfill site (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321741743.5U CN220239594U (en) | 2023-07-05 | 2023-07-05 | Exhaust and drainage device for refuse landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321741743.5U CN220239594U (en) | 2023-07-05 | 2023-07-05 | Exhaust and drainage device for refuse landfill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220239594U true CN220239594U (en) | 2023-12-26 |
Family
ID=89263956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321741743.5U Active CN220239594U (en) | 2023-07-05 | 2023-07-05 | Exhaust and drainage device for refuse landfill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220239594U (en) |
-
2023
- 2023-07-05 CN CN202321741743.5U patent/CN220239594U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |