CN220394656U - Loess area is with solid waste disposal site of loess replacement lining - Google Patents
Loess area is with solid waste disposal site of loess replacement lining Download PDFInfo
- Publication number
- CN220394656U CN220394656U CN202321283664.4U CN202321283664U CN220394656U CN 220394656 U CN220394656 U CN 220394656U CN 202321283664 U CN202321283664 U CN 202321283664U CN 220394656 U CN220394656 U CN 220394656U
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- Prior art keywords
- layer
- loess
- solid waste
- waste disposal
- disposal site
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- 239000002910 solid waste Substances 0.000 title claims abstract description 38
- 239000002689 soil Substances 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004927 clay Substances 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000011435 rock Substances 0.000 claims abstract description 10
- 238000005056 compaction Methods 0.000 claims abstract description 9
- 239000004746 geotextile Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000006467 substitution reaction Methods 0.000 claims description 6
- 235000016709 nutrition Nutrition 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003673 groundwater Substances 0.000 description 12
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to the technical field of solid waste disposal sites and discloses a solid waste disposal site with loess used for replacing lining, which comprises a ground foundation, wherein a solid waste placement pit is dug on the ground foundation, the placement pit is arranged in a groove shape, two layers of pebble layers and geotechnical cloth are sequentially paved below the placement pit, a compacted yellow soil layer is arranged below the geotechnical cloth at the lowest layer, a rock layer is paved below the compacted yellow soil layer, an underground water layer is arranged below the rock layer, the upper side of the placement pit is arc-shaped after the solid waste is fully filled inside the placement pit, and a sealing field covering layer is arranged above the solid waste. This loess area is with solid waste disposal site of loess replacement lining replaces original clay layer as the lining through the compaction loess layer, and after the loess was compacted, improves its density, reduces its permeability, can replace original clay layer, and its technical achievement, the effect is reliable, can practice thrift manufacturing cost greatly.
Description
Technical Field
The utility model relates to the technical field of solid waste disposal sites, in particular to a solid waste disposal site with loess used for replacing lining in loess areas.
Background
Sanitary landfill of solid waste is the final disposal method aimed at eliminating secondary environmental pollution of waste to the maximum extent. The bottom lining is a key impervious layer for reducing seepage of percolate in sanitary landfill engineering, the soil materials used in the lining are clay and modified clay as lining materials,
the 2013 edition of technical Specification for sanitary landfill of household garbage clearly shows that the natural materials such as sub-clay, sub-sand and the like are added with additives for artificial modification, so that the equivalent seepage-proofing performance of the natural clay lining can be achieved.
The present utility model provides a solid waste disposal site with loess area to replace lining.
Disclosure of Invention
(one) solving the technical problems
In order to overcome the defects of the prior art, the utility model provides a solid waste disposal site with loess used for replacing lining in loess areas.
(II) technical scheme
In order to solve the problems, the utility model provides the following technical scheme: the utility model provides a loess area is with solid waste disposal site of loess replacement lining, includes ground basis, it places the hole to excavate on the ground basis has solid waste, places the hole and is the slot form setting, two-layer pebble layer and geotechnique's cloth have been laid in proper order to the below of placing the hole, and the lower floor geotechnique's cloth's below is provided with compaction yellow soil layer, the rock layer has been laid to compaction yellow soil layer's below, the below of rock layer is provided with the groundwater layer, place the hole inside and fill up the upside and be the arc form behind the solid waste, the top of solid waste is provided with the sealing field overburden.
Preferably, the pebble layer and the geotextile are crossly paved, and one pebble layer and one geotextile layer are sequentially paved, so that two layers are paved in total.
Preferably, the compacted yellow soil layer has a height of 2m, the compaction treatment is performed by a rammer, and the compacted yellow soil layer is used as a lining material instead of the original clay layer.
Preferably, the sealing field covering layer adopts the following steps of paving a layer of crushed stone air permeability layer with the thickness of 0.3m on daily covering soil with the thickness of 0.2m, paving a sealing field clay layer with the thickness of 0.3m on the daily covering soil, paving a natural soil layer with the thickness of 0.3m, wherein the uppermost layer of the sealing field covering layer is a nutritional soil layer with the thickness of 0.3m, and planting shallow root plants after sealing the field.
Preferably, a water pumping pipe is arranged in the underground water layer, the upper end of the water pumping pipe extends out to the surface of the ground foundation, and the tail end of the water pumping pipe is connected with a water pump.
(III) beneficial effects
Compared with the prior art, the utility model provides a solid waste disposal site with a lining replaced by loess in loess areas, which has the following beneficial effects:
1. this loess area is with solid waste disposal site of loess replacement lining replaces original clay layer as the lining through the compaction loess layer, and after the loess was compacted, improves its density, reduces its permeability, can replace original clay layer, and its technical achievement, the effect is reliable, can practice thrift manufacturing cost greatly.
2. The loess area uses loess to replace the solid waste disposal site of lining, lay a layer of rubble ventilative layer of 0.3m thickness on the day overburden soil of 0.2m thickness, lay a layer of 0.3m thick sealing clay layer on it, secondly lay a layer of 0.3m thick natural soil layer, the topmost of sealing overburden layer is 0.3m thick nutrition soil layer, plant shallow root plants after sealing, afforest the environment and keep water and soil can not run off.
3. This loess area uses loess to replace solid waste disposal site of lining, through the water pump can take groundwater in the groundwater layer inside out, can be used for green irrigation or detect groundwater, detects whether it receives the pollution.
Drawings
Fig. 1 is a schematic view showing the construction of a solid waste disposal site lined with loess in a loess area in accordance with the present utility model.
In the figure: 1 ground foundation, 2 sealing field covering layers, 3 nutrient soil layers, 4 pebble layers, 5 geotextiles, 6 compacted yellow soil layers, 7 rock layers, 8 groundwater layers, 9 water pumping pipes and 10 water pumps.
Detailed Description
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.
Referring to fig. 1, the present utility model provides a new technical solution: the utility model provides a loess area is with solid waste disposal site of loess replacement lining, is including ground basis 1, the excavation has solid waste to place the hole on the ground basis 1, places the hole and is the slot form setting, place the below in hole and laid two-layer pebble layer 4 and geotechnique's cloth 5 in proper order, the lower floor geotechnique's cloth 5 below is provided with compaction yellow soil layer 6, rock layer 7 has been laid to compaction yellow soil layer 6's below, rock layer 7's below is provided with groundwater layer 8, place the hole inside and put up the upside and be the arc form after the solid waste, the top of solid waste is provided with sealing cover layer 2.
In this embodiment, the pebble layer 4 and the geotextile 5 are laid in a cross manner, and a layer of pebble layer 4 and a layer of geotextile 5 are sequentially laid, so that two layers are laid in total; through setting up two-layer pebble layer 4 and geotechnique's cloth 5, can effectively filter the harmful substance in the filtration liquid, avoid it to permeate to the groundwater layer and cause the pollution to groundwater, protect the water resource.
In this embodiment, the height of the compacted yellow soil layer 6 is 2m, the compacted yellow soil layer 6 is used as a lining material instead of the original clay layer by using a rammer, after the loess is compacted, the density of the compacted yellow soil layer 6 is increased, the permeability of the compacted yellow soil layer is reduced, the compacted yellow soil layer can replace the original clay layer, the technical effect is achieved, the effect is reliable, and the manufacturing cost can be greatly saved.
In the embodiment, the sealing field covering layer 2 adopts the following steps that a layer of crushed stone air permeability layer with the thickness of 0.3m is paved on day covering soil with the thickness of 0.2m, a sealing field clay layer with the thickness of 0.3m is paved on the day covering soil, a natural soil layer with the thickness of 0.3m is paved on the day covering soil, the uppermost layer of the sealing field covering layer 2 is a nutrition soil layer 3 with the thickness of 0.3m, shallow root plants are planted after sealing the field, the environment is greening, and water and soil can not be lost.
In this embodiment, the inside of groundwater layer 8 is provided with the drinking-water pipe 9, the upper end of drinking-water pipe 9 stretches out to the surface of ground basis 1, the end-to-end connection of drinking-water pipe 9 has water pump 10, through water pump 10 can take groundwater in groundwater layer 8 out, can be used for green planting irrigation or detect groundwater, detects whether it receives the pollution.
Working principle: in the concrete use process of the loess-lined solid waste disposal site, firstly, a trench is dug through excavation, then a compacted yellow soil layer 6 with the thickness of two meters is paved above a rock layer 7 in the trench, compaction is carried out through a rammer, the original clay layer is replaced by the yellow soil layer, two layers of pebble layers 4 and geotechnical cloth 5 are paved above the compacted yellow soil layer 6 in sequence, the pebble layers 4 and the geotechnical cloth 5 are arranged above a solid waste disposal site, solid waste is placed in the disposal site for accumulation, finally, a sealing field covering layer 2 is paved above the solid waste, a nutrient soil layer with the thickness of 0.3m is paved on the surface of the sealing field covering layer 2, shallow root plants are planted after the sealing field, the environment is greened, and water and soil can not be lost.
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 (5)
1. A loess area solid waste disposal site with a loess substitution lining, comprising a ground base (1), characterized in that: the soil foundation is characterized in that a solid waste placement pit is dug on the ground foundation (1), the placement pit is in a groove-shaped arrangement, two layers of pebble layers (4) and geotechnical cloth (5) are sequentially laid below the placement pit, a compacted yellow soil layer (6) is arranged below the geotechnical cloth (5), a rock layer (7) is laid below the compacted yellow soil layer (6), an underground water layer (8) is arranged below the rock layer (7), the upper side of the placement pit is in an arc shape after the solid waste is fully filled inside, and a sealing field covering layer (2) is arranged above the solid waste.
2. A loess area solid waste disposal site with a loess substitution liner as set forth in claim 1, characterized in that: the pebble layer (4) and the geotextile (5) are crossly paved, and one pebble layer (4) and one geotextile (5) are sequentially paved, so that two layers are paved in total.
3. A loess area solid waste disposal site with a loess substitution liner as set forth in claim 1, characterized in that: the height of the compacted yellow soil layer (6) is 2m, the compaction treatment is carried out by a rammer, and the compacted yellow soil layer (6) replaces the original clay layer to be used as a lining material.
4. A loess area solid waste disposal site with a loess substitution liner as set forth in claim 1, characterized in that: the sealing field covering layer (2) is sequentially provided with a daily covering soil layer, a crushed stone ventilation layer, a sealing field clay layer and a natural soil layer from bottom to top, and the uppermost layer of the sealing field covering layer (2) is a nutritional soil layer (3) with the thickness of 0.3 m.
5. A loess area solid waste disposal site with a loess substitution liner as set forth in claim 1, characterized in that: the underground water layer (8) is internally provided with a water pumping pipe (9), the upper end of the water pumping pipe (9) extends out to the surface of the ground foundation (1), and the tail end of the water pumping pipe (9) is connected with a water pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321283664.4U CN220394656U (en) | 2023-05-18 | 2023-05-18 | Loess area is with solid waste disposal site of loess replacement lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321283664.4U CN220394656U (en) | 2023-05-18 | 2023-05-18 | Loess area is with solid waste disposal site of loess replacement lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394656U true CN220394656U (en) | 2024-01-26 |
Family
ID=89602363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321283664.4U Active CN220394656U (en) | 2023-05-18 | 2023-05-18 | Loess area is with solid waste disposal site of loess replacement lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394656U (en) |
-
2023
- 2023-05-18 CN CN202321283664.4U patent/CN220394656U/en active Active
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