CN217204500U

CN217204500U - Underground water guide and drainage system for refuse landfill

Info

Publication number: CN217204500U
Application number: CN202123045360.8U
Authority: CN
Inventors: 王斌; 肖程
Original assignee: Western Licheng Ecological Environment Group Co ltd
Current assignee: Western Licheng Ecological Environment Group Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-08-16
Anticipated expiration: 2031-12-07

Abstract

The utility model belongs to the technical field of underground water guide and drainage, in particular to a underground water guide and drainage system for a refuse landfill site, which comprises a guide and drainage blind ditch, the lower surface of the inner wall of the guide and drainage blind ditch is fixedly connected with the lower surface of the guide and drainage pipe through concrete, the geotextile b is adhered to the outer surface of the guide and drainage pipe, the geotextile a filters penetrating fluid and underground water in the refuse landfill to prevent slag bodies from blocking sand gravel a and sand gravel b, the underground water and the penetrating fluid fall into the outer surfaces of the guide and drainage pipe and the water inlet inclined plate through the geotextile a, the sand gravel b and the geotextile b, the water inlet inclined plate discharges the underground water and the penetrating fluid into water inlets formed in the left side and the right side of the guide and drainage pipe through the geotextile b by the inclination of the angle of the water inlet inclined plate, and the drainage guide pipe is prevented from being blocked by slag contained in underground water and penetrating fluid under the multiple-barrier filtration of the geotextile a, the sand gravel b and the geotextile b.

Description

Drainage guide system for underground water of refuse landfill

Technical Field

The utility model belongs to the technical field of groundwater drainage guide, concretely relates to rubbish landfill groundwater drainage guide system.

Background

The garbage disposal method can be generally divided into several methods such as sanitary landfill, incineration, composting and the like. The refuse landfill is a refuse centralized stacking site in a sanitary landfill mode, the refuse sanitary landfill is widely applied in China due to low cost and good sanitary degree, the refuse landfill generally adopts a layered soil covering and burying mode to treat the refuse, and a layer of loess covers the refuse after a layer of refuse is stacked, so that the pollution of the refuse is easily reduced.

Therefore, technical personnel in the related technical field improve the system, for example, chinese patent application publication CN104631600A discloses a landfill liquid drainage guide system, which increases the space between the flower tube and the wrapping layer by arranging a cushion layer between the flower tube and the wrapping layer, improves the drainage guide efficiency between the flower tube and the wrapping layer, and reduces the contact area between the cushion layer and the wrapping layer by arranging a groove.

SUMMERY OF THE UTILITY MODEL

To solve the problems raised in the background art described above. The utility model provides a drainage guide system under refuse landfill site.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a landfill site groundwater drainage guide system, includes the drainage guide french drain, the lower surface of drainage guide french drain inner wall passes through the lower surface rigid coupling of concrete and drainage guide pipe, the surface of drainage guide pipe is stained with geotextile b, sand gravel b has been laid to geotextile b's surface, sand gravel a has been laid to sand gravel b's upper surface.

Preferably, the inner wall of the guide and exhaust blind ditch is coated with an anti-permeation layer, and the anti-permeation layer is JS waterproof paint.

Preferably, the left and right sides face of drainage guide pipe is laminated with the one side that two swash plates are relative respectively that intakes, the lower surface of swash plate and the upper surface rigid coupling of concrete of intaking, and two the upper surface of intake swash plate respectively with geotextile b's lower surface rigid coupling.

Preferably, a plurality of water inlets are symmetrically formed in the outer surface of the guide and discharge pipe, and the width and the length of each water inlet are smaller than those of the sand gravel b.

Preferably, the granularity of the sand gravel a is smaller than that of the sand gravel b.

Preferably, the upper surface of the sand gravel a is paved with geotextile a.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, permeate liquid and groundwater in geotextile a to the landfill are filtered, avoid the slag body to block up sand gravel a and sand gravel b, groundwater and permeate liquid pass through geotextile a, sand gravel b and geotextile b fall into the guide pipe and the surface of the swash plate of intaking, the swash plate of intaking is through the angle slope of self with groundwater and permeate liquid through in the inlet that geotextile b row put up the guide pipe left and right sides, through geotextile a, sand gravel b and geotextile b's multiple separation is filtered down, avoid the slag body that contains in groundwater and the permeate liquid to block up the guide pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a left side view of the structure of the middle drain pipe of the present invention;

fig. 3 is a schematic perspective view of the water inlet sloping plate of the present invention;

in the figure: 1. a blind drain is guided; 2. a geotextile a; 3. a sand gravel a; 4. sand and gravel b; 5. a geotextile b; 6. a water inlet sloping plate; 7. a row of lead pipes; 8. concrete; 9. an anti-permeation layer; 10. a water inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a landfill site groundwater drainage guide system, includes drainage guide french drain 1, the lower surface rigid coupling of drainage guide french drain 1 inner wall passes through concrete 8 and drainage guide pipe 7, the surface of drainage guide pipe 7 is stained with geotextile b5, sand gravel b4 has been laid to the surface of geotextile b5, sand gravel b 4's upper surface has been laid sand gravel a 3.

Specifically, an anti-permeation layer 9 is coated on the inner wall of the guide drainage blind ditch 1, and the anti-permeation layer 9JS is provided with a waterproof coating;

by coating the anti-seepage layer 9 on the inner wall of the drainage guide blind ditch 1, underground water and penetrating fluid in the refuse landfill can be prevented from permeating underground.

Specifically, the left side surface and the right side surface of the drainage guide pipe 7 are respectively attached to one surface of the two water inlet sloping plates 6, the lower surfaces of the water inlet sloping plates 6 are fixedly connected with the upper surface of the concrete 8, and the upper surfaces of the two water inlet sloping plates 6 are respectively fixedly connected with the lower surface of the geotextile b 5;

the groundwater and the penetrating fluid fall into the outer surface of the drainage guide pipe 7 and the outer surface of the water inlet inclined plate 6 under the multiple filtration of the geotextile a2, the sand gravel a3, the sand gravel b4 and the geotextile b5, and the groundwater and the penetrating fluid are discharged into the water inlets 10 formed in the left side and the right side of the drainage guide pipe 7 through the inclination of the water inlet inclined plate 6 through the geotextile b 5.

Specifically, a plurality of water inlets 10 are symmetrically formed in the outer surface of the drainage guide pipe 7, and the width and length of each water inlet 10 are smaller than those of the gravel b 4;

the water inlet 10, which is smaller in width and length than the sand gravel b4, prevents the sand gravel b4 from entering the conduit 7 through the water inlet 10.

Specifically, the granularity of the sand gravel a3 is smaller than that of the sand gravel b 4;

geotextile a2 is laid on the upper surface of the sand gravel a 3;

the particle size of the sand gravel a3 is smaller than that of the sand gravel b4, and the geotextile a2 filters the permeate and the ground water in the landfill to prevent the slag from blocking the sand gravel a3 and the sand gravel b 4.

The utility model discloses a theory of operation and use flow:

the utility model, when in use;

the penetration-resistant layer 9 is coated on the inner wall of the guide drainage blind ditch 1, underground water and penetrating fluid in a refuse landfill can be prevented from penetrating into the ground, the geotextile a2 filters the penetrating fluid and the underground water in the refuse landfill, slag bodies are prevented from blocking sand gravel a3 and sand gravel b4, the underground water and the penetrating fluid fall into the outer surfaces of the guide drainage pipe 7 and the water inlet inclined plate 6 through the geotextile a2, the sand gravel a3, the sand gravel b4 and the geotextile b5, the water inlet inclined plate 6 discharges the underground water and the penetrating fluid into the water inlets 10 formed on the left side and the right side of the guide drainage pipe 7 through the geotextile b5 by the self-angle inclination, and simultaneously, the guide drainage pipe 7 is prevented from being blocked by the slag bodies contained in the underground water and the penetrating fluid through the multiple filtration of the geotextile a2, the sand gravel a3, the sand gravel b4 and the geotextile b 5.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a refuse landfill groundwater drainage guide system, includes drainage guide french drain (1), its characterized in that: the lower surface of leading row french drain (1) inner wall passes through the lower surface rigid coupling of concrete (8) and drainage guide pipe (7), the surface of drainage guide pipe (7) is stained with geotextile b (5), sand gravel b (4) have been laid to the surface of geotextile b (5), sand gravel a (3) have been laid to the upper surface of sand gravel b (4).

2. The refuse landfill site drainage system according to claim 1, wherein: the inner wall coating of drainage guide french drain (1) has prevention of seepage permeable stratum (9), prevention of seepage permeable stratum (9) are JS water proof coating.

3. The refuse landfill site drainage system according to claim 1, wherein: the left and right sides face of the drainage guide pipe (7) is respectively attached to the opposite faces of the two water inlet sloping plates (6), the lower surfaces of the water inlet sloping plates (6) are fixedly connected with the upper surface of concrete (8), and the upper surfaces of the water inlet sloping plates (6) are fixedly connected with the lower surface of the geotextile b (5) respectively.

4. The refuse landfill site drainage system according to claim 1, wherein: a plurality of water inlets (10) are symmetrically arranged on the outer surface of the drainage guide pipe (7), and the width and the length of each water inlet (10) are smaller than those of the sand gravel b (4).

5. The refuse landfill site drainage system according to claim 1, wherein: the granularity of the sand gravel a (3) is smaller than that of the sand gravel b (4).

6. The refuse landfill site drainage system according to claim 1, wherein: and the upper surface of the sand gravel a (3) is paved with a geotextile a (2).