CN215902424U - Ecological mud of landfill transpires and seals field structure - Google Patents
Ecological mud of landfill transpires and seals field structure Download PDFInfo
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- CN215902424U CN215902424U CN202121272761.4U CN202121272761U CN215902424U CN 215902424 U CN215902424 U CN 215902424U CN 202121272761 U CN202121272761 U CN 202121272761U CN 215902424 U CN215902424 U CN 215902424U
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
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Abstract
The utility model relates to an ecological sludge transpiration sealing structure of a landfill, which comprises: the gas collection and guide-discharge layer is positioned on the solid waste landfill body; the anti-seepage covering layer is positioned on the gas collecting and drainage guiding layer; the nutrition substrate layer is positioned on the anti-seepage covering layer; the reinforced water guide layer is positioned on the nutrition substrate layer; and the hydrophobic covering layer is positioned on the reinforced water guide layer. The utility model has the beneficial effects that: the integral structure has the functions of storing, regulating and blocking rainwater from the outside, has better water retention property and provides necessary nutrients and water resources for ecological restoration of a landfill.
Description
Technical Field
The utility model relates to the technical field of landfill closure, in particular to an ecological sludge transpiration closure structure of a landfill.
Background
In recent years, landfill closure is covered more and more, most of closure covering materials are artificially synthesized geotechnical materials or natural clay, but resources of the artificially synthesized geotechnical materials and the natural clay are increasingly in short supply, so that resource waste and covering cost are gradually increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an ecological sludge transpiration sealing structure of a landfill to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides an ecological mud of landfill is boiled out and is sealed a structure, includes:
the gas collection and guide-discharge layer is positioned on the solid waste landfill body;
the anti-seepage covering layer is positioned on the gas collecting and drainage guiding layer;
the nutrition substrate layer is positioned on the anti-seepage covering layer;
the reinforced water guide layer is positioned on the nutrition substrate layer;
and the hydrophobic covering layer is positioned on the reinforced water guide layer.
On the basis of the technical scheme, the utility model can be further improved as follows.
Further, the gas collection and drainage layer comprises:
the gravel layer is positioned at the top of the solid waste landfill body, the thickness of the gravel layer is more than 30cm, and the particle size of the gravel is 20-40 mm;
the geotechnical composite drainage net is positioned on the side slope of the solid waste landfill body, and the thickness of the geotechnical composite drainage net is larger than or equal to 6 mm.
Further, the anti-seepage covering layer is composed of municipal sludge, an aluminosilicate-based cementing material and straw fibers.
Further, preventThe infiltration layer is arranged on the crushed stone layer, has a thickness of 10cm or more and a permeability coefficient of 10cm or less-7cm/s。
Further, the nutrition substrate layer is composed of municipal sludge, straw fiber materials and humus.
Further, the thickness of the nutrition substrate layer is greater than or equal to 25 cm.
Further, the reinforced water guide layer comprises:
a geocell on the nutrition substrate layer with specification greater than or equal to 900g/m2；
And fine sand filled in each chamber of the geocell.
Further, the hydrophobic cover layer is composed of municipal sludge and an aluminosilicate-based cementing material.
Further, the thickness of the hydrophobic cover layer is greater than or equal to 5 cm.
The utility model has the beneficial effects that:
1) the integral structure has the functions of storing, regulating and blocking rainwater from the outside, has better water retention property and provides necessary nutrients and water resources for ecological restoration of a landfill site;
2) the municipal sludge resource utilization which is difficult to treat can be realized, the crop utilization rate can be fully improved, the technical support is provided for the energy conservation and emission reduction and high-quality utilization of wastes, and the clay usage amount can be reduced.
Drawings
FIG. 1 is a structural diagram of the ecological sludge fermentation enclosure structure of the landfill.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the solid waste landfill pile comprises a solid waste landfill pile body 2, a gas collection and drainage layer 3, an anti-seepage covering layer 4, a nutrition base material layer 5, a reinforced water guide layer 6 and a hydrophobic covering layer.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1, an ecological sludge transpiration sealing structure of a landfill comprises:
the solid waste landfill body 1 is solid waste for landfill, which includes but is not limited to domestic waste, construction waste, general industrial solid waste or dangerous waste;
the gas collection and guide-discharge layer 2 covers the solid waste landfill body 1;
the impermeable covering layer 3 is covered on the gas collection and drainage layer 2;
a nutrient substrate layer 4 which is covered on the anti-seepage covering layer 3;
a reinforced water guide layer 5 which covers the nutrition substrate layer 4;
and the hydrophobic covering layer 6 covers the reinforced water guide layer 5.
Example 2
As shown in fig. 1, this embodiment is a further improvement on embodiment 1, and specifically includes the following steps:
the gas collecting and guiding layer 2 is used for collecting and guiding gas;
it includes:
the gravel layer covers the top of the solid waste landfill body 1, the thickness of the gravel layer is more than 30cm, and the particle size of gravel is 20-40 mm;
the geotechnical composite drainage net covers the side slope of the solid waste landfill body 1, and the thickness of the geotechnical composite drainage net is larger than or equal to 6 mm.
Example 3
As shown in fig. 1, this embodiment is a further improvement on embodiment 2, and specifically includes the following steps:
the impermeable covering layer 3 is a mixture of municipal sludge, an aluminosilicate-based cementing material and a straw fiber material;
further, the method comprises the following steps:
the impervious covering layer 3 is covered on the crushed stone layer, the thickness of the impervious covering layer 3 is more than or equal to 10cm, and the permeability coefficient is less than or equal to 10-7cm/s。
The mixture of municipal sludge, the aluminosilicate-based cementing material and the straw fiber material is uniformly stirred and sprayed on the gas collection and drainage layer 2 through spraying equipment, so that the impermeable covering layer 3 is formed.
Example 4
As shown in fig. 1, this embodiment is a further improvement on any embodiment of embodiments 1 to 3, and specifically includes the following steps:
the nutrition substrate layer 4 is a mixture of municipal sludge, straw fiber materials and humus;
further, the method comprises the following steps:
the thickness of the nutrition substrate layer 4 is greater than or equal to 25 cm.
The mixture of municipal sludge, straw fiber materials and humus is uniformly stirred and sprayed on the anti-seepage covering layer 3 through spraying equipment, so that the nutrition base material layer 4 is formed.
Example 5
As shown in fig. 1, this embodiment is a further improvement on any embodiment of embodiments 1 to 4, and specifically includes the following steps:
the reinforced water guide layer 5 is used for guiding and draining rainwater seeped downwards from the top, and plays roles of reinforcing and soil fixation as well as reinforcing and soil fixation;
the reinforced water guide layer 5 includes:
a geocell covered on the nutrition substrate layer 4 and having a specification of greater than or equal to 900g/m2；
And fine sand filled in each cell of the geocell.
Example 6
As shown in fig. 1, this embodiment is a further improvement on any embodiment of embodiments 1 to 5, and specifically includes the following steps:
the hydrophobic covering layer 6 is a mixture of municipal sludge and an aluminosilicate-based cementing material;
further, the method comprises the following steps:
the hydrophobic cover layer 6 has a thickness greater than or equal to 5 cm.
The mixture of municipal sludge and the aluminosilicate-based cementing material is uniformly stirred and sprayed on the reinforced water guide layer 5 through spraying equipment, so that the hydrophobic covering layer 6 is formed.
In the implementation, when the landfill site is sealed, the solid waste is shaped and compacted, and is trimmed into a solid waste landfill body 1 with a certain shape, then a gas collection and discharge layer 2 is paved, and the gas generated in the solid waste landfill body 1 is collected; paving an anti-seepage covering layer 3 on the gas collection and drainage layer 2 in a spraying mode; then paving a nutritional base material layer 4 on the anti-seepage covering layer 3 in a spraying mode; then laying a reinforced water guide layer 5 on the nutrient substrate layer 4; and finally, laying a hydrophobic covering layer 6 on the reinforced water guide layer 5 in a spraying mode, designing and determining the thickness of each layer according to different site conditions, and finally carrying out corresponding greening and landscaping on the surface of the hydrophobic covering layer 6.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. The utility model provides an ecological mud of landfill transpires and seals field structure which characterized in that includes:
the gas collection and guide-discharge layer (2) is positioned on the solid waste landfill body (1);
the anti-seepage covering layer (3) is positioned on the gas collecting and drainage guiding layer (2);
a nutrient substrate layer (4) positioned on the anti-seepage covering layer (3);
the reinforced water guide layer (5) is positioned on the nutrition substrate layer (4);
and the hydrophobic covering layer (6) is positioned on the reinforced water guide layer (5).
2. The landfill ecological sludge transpiration enclosure structure of claim 1, wherein the gas collection and drainage layer (2) comprises:
the gravel layer is positioned at the top of the solid waste landfill body (1), the thickness of the gravel layer is more than 30cm, and the particle size of gravel is 20-40 mm;
the geotechnical composite drainage net is positioned on the side slope of the solid waste landfill body (1), and the thickness of the geotechnical composite drainage net is larger than or equal to 6 mm.
3. The ecological sludge fermentation and reclamation yard structure of a landfill site as claimed in claim 2, wherein the impermeable covering layer (3) is positioned on the gravel layer, has the thickness of more than or equal to 10cm and the permeability coefficient of less than or equal to 10-7cm/s。
4. The landfill ecological sludge fermentation and reclamation structure as claimed in claim 1, wherein the thickness of the nutrition substrate layer (4) is greater than or equal to 25 cm.
5. The landfill ecological sludge fermentation and reclamation structure as recited in claim 1, wherein the reinforced water guide layer (5) comprises:
the geocell is positioned on the nutrition substrate layer (4) and has the specification of more than or equal to 900g/m2；
And fine sand filled in each chamber of the geocell.
6. The landfill ecological sludge fermentation and reclamation structure as recited in claim 1, wherein the thickness of the hydrophobic covering layer (6) is greater than or equal to 5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121272761.4U CN215902424U (en) | 2021-06-08 | 2021-06-08 | Ecological mud of landfill transpires and seals field structure |
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| CN202121272761.4U CN215902424U (en) | 2021-06-08 | 2021-06-08 | Ecological mud of landfill transpires and seals field structure |
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| CN215902424U true CN215902424U (en) | 2022-02-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115069720A (en) * | 2022-05-23 | 2022-09-20 | 武汉泾渭环境科技有限公司 | Transpiration covering structure of refuse landfill and preparation method |
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2021
- 2021-06-08 CN CN202121272761.4U patent/CN215902424U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115069720A (en) * | 2022-05-23 | 2022-09-20 | 武汉泾渭环境科技有限公司 | Transpiration covering structure of refuse landfill and preparation method |
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