CN218116567U

CN218116567U - Eluviation water collection french drain structure

Info

Publication number: CN218116567U
Application number: CN202222224403.7U
Authority: CN
Inventors: 蔡金宏; 邹敬辉; 潘兴慧; 庄庆伟; 曾丽丽; 李伟崇
Original assignee: Dongguan Xindongyue Environmental Protection Industry Co ltd
Current assignee: Dongguan Xindongyue Environmental Protection Industry Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-12-23
Anticipated expiration: 2032-08-23

Abstract

The utility model relates to a blind ditch structure is collected to eluviation water, including eluviation water drainage guide system, eluviation water drainage guide system includes protective layer and monitoring layer, protective layer from the top down has set gradually the landfill layer, prevention of seepage membrane, protective layer blind ditch and ground, non-woven geotechnological cloth, geotechnological composite drainage net and high density polyethylene geomembrane. This blind ditch structure is collected to eluviation water, lead the drainage system through setting up the eluviation water, lay a series of reverse osmosis system structures such as non-woven geotechnological cloth, GCL anti-infiltration layer, high density polyethylene geomembrane and geotechnological composite drainage net during concrete implementation operation, lay and wrap up the geotechnological filter screen of living the floral tube in the outside of blind ditch, the blind ditch pipe protects through geotechnological filter screen, the realization of the water drainage of eluviation is realized through the mode that the level was filled, the wholeness can be comparatively stable, the anti-seepage performance is better, effectively improve the eluviation water and collect the effect.

Description

Eluviation water collection french drain structure

Technical Field

The utility model relates to a french drain technical field specifically is a eluviation water collection french drain structure.

Background

The bottom of a common landfill seepage-proofing system needs to be provided with a collection layer to collect leaching water generated by a landfill body, a traditional old domestic garbage landfill is generally only provided with a rubble layer and collects the leaching water in a gradient difference mode, the collection speed is low in the mode, leachate is easy to accumulate and block at the bottom of the seepage-proofing system, and the collection of the leaching water is accelerated in the industry by adding a concrete rigid blind ditch in the rubble layer.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a blind ditch structure is collected to eluviation water, its realization that realizes the eluviation water drainage guide through the mode that the level was filled, and the wholeness can be comparatively stable, and the barrier propterty can be better to monitor function has.

In order to achieve the above purpose, the utility model provides a following technical scheme: a eluviated water collecting blind ditch structure comprises a eluviated water guide and drainage system, wherein the eluviated water guide and drainage system comprises a protective layer and a monitoring layer, the protective layer is sequentially provided with a filling layer, an impermeable membrane, a protective layer blind ditch and a foundation, non-woven geotextile, a geotechnical composite drainage network and a high-density polyethylene geomembrane from top to bottom, and the protective layer blind ditch is sequentially provided with a eluviated water collecting main pipe, a geotechnical filter screen and a gravel layer from inside to outside;

the monitoring layer from the top down has set gradually geotechnological composite drainage network, non-woven geotechnological cloth, monitoring layer french drain, high density polyethylene geomembrane, GCL barrier and rubble drainage blanket, the monitoring layer french drain has set gradually from the inner island outside drenches and dissolves water collection branch pipe, geotechnological filter screen and rubble layer.

In the technical scheme, a series of reverse osmosis system structures such as non-woven geotextile, a GCL reverse osmosis layer, a high-density polyethylene geomembrane, a geotechnical composite drainage net and the like are laid in a hierarchical filling manner, and the eluviation water guide and drainage pipe is laid in the blind ditch, so that the whole construction period of the eluviation water guide and drainage system is shortened, the use is accelerated, and meanwhile, the whole eluviation water guide and drainage system is more stable in use and better in anti-seepage performance; and the second layer of anti-seepage is carried out through the monitoring layer, the forest solution collected by the monitoring layer is subjected to a detection test, so that the problem of the anti-seepage structure can be early warned, and the anti-seepage system of the landfill site is repaired.

The utility model discloses an among the preferred scheme, the eluviation water is collected and is responsible for and the eluviation water is collected the branch pipe and be the floral tube, and the floral tube is the pipeline that has the space in the periphery, through the pump machine, and it is collected fastly.

The utility model discloses an among the preferred scheme, the eluviation water is collected and is responsible for and eluviation water is collected branch pipe (5) and is located inside protective layer blind drain and the monitoring layer blind drain respectively, protects the whole in time through geotechnological filter screen.

In the preferred scheme of the utility model, the thickness of rubble drainage blanket is 300mm, and the specification of laying of geotechnical filter screen is 200 g- ² The geotechnical filter screen that sets up can play the protection of collecting the main pipe and the eluviation water collection branch pipe when the eluviation.

In the preferred scheme of the utility model, the tubular product specification that the eluviation water was collected and is responsible for and the eluviation water was collected the branch pipe is dn450-PE and dn355-PE respectively.

To sum up, the utility model relates to a leaching water collection blind ditch structure, through setting up leaching water drainage guide system, the foundation layer is the clay layer that has tamped, can improve the foundation firmness of reservoir area side slope construction, avoid reservoir area side slope main part dispersion slope after long-term use, lay a series of reverse osmosis system structures such as non-woven geotextile, GCL anti-seepage layer, high density polyethylene geomembrane and geotechnological composite drainage net when specifically implementing the operation, lay and wrap up the geotechnological filter screen of the floral tube in the outside of blind ditch, protect the floral tube through geotechnological filter screen, pack the outside of floral tube with the metalling and wrap up, realize leaching water drainage guide system's realization through the mode of level packing, the wholeness is comparatively stable, the blind ditch is difficult to take place to warp when wholly putting into use, do not need to construct geotechnological cloth, the bed course of broken stone, concrete culvert pipe, coarse aggregate, the extension construction such as anti-filtration layer simultaneously in the in-lay geotechnological cloth, the bed course of construction, carry out the collection period of branch pipe through directly collecting the branch pipe of non-woven geotextile, GCL anti-seepage layer, collect the branch pipe and collect the leaching water collection branch pipe; when the blind ditch drainage guide system is used, the monitoring layer can also play a role in seepage prevention, and the seepage prevention effect of the blind ditch drainage guide system can be greatly improved by double-layer protection.

Drawings

FIG. 1 is a schematic view of the structure of the leaching water collecting blind ditch of the utility model;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the leaching water collecting blind ditch side slope of the utility model;

fig. 4 is the sectional structure diagram of the leaching water collecting blind drain of the utility model.

In the figure: 1. a leaching water drainage system; 2. a protective layer; 201. an impermeable membrane; 3. a monitoring layer; 4. collecting main pipe for spraying and dissolving water; 5. collecting branch pipes by spraying and dissolving water; 6. a geotechnical filter screen; 7. a crushed stone layer; 10. filling the buried layer; 11. a foundation; 12. a non-woven geotextile; 13. a GCL barrier layer; 14. high density polyethylene geomembranes; 15. a geotechnical composite drainage network; 16. a gravel drainage layer; 20. a protective layer blind ditch; 21. and monitoring the layer blind ditches.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the eluviation water collecting blind ditch structure in the present embodiment includes a eluviation water guiding and draining system 1, the eluviation water guiding and draining system 1 includes a protective layer 2 and a monitoring layer 3, the protective layer 2 is sequentially provided with a filling layer 10, an impermeable membrane 201, a protective layer blind ditch 20, a foundation 11, a non-woven geotextile 12, a geotechnical composite drainage network 15 and a high density polyethylene geomembrane 14 from top to bottom, the protective layer blind ditch 20 is sequentially provided with a eluviation water collecting main pipe 4, a geotechnical filter 6 and a crushed stone layer 7 from inside to outside;

the monitoring layer 3 is sequentially provided with a geotechnical composite drainage net 15, a non-woven geotextile 12, a monitoring layer blind ditch 21, a high-density polyethylene geomembrane 14, a GCL impervious layer 13 and a gravel drainage layer 16 from top to bottom, and the monitoring layer blind ditch 21 is sequentially provided with a leaching water collecting branch pipe 5, a geotechnical filter screen 6 and a gravel layer 7 from the outside of an inner island.

In the above technical scheme, through setting up eluviation water drainage guide system 1 and reverse osmosis system 20, collect the upper portion of being responsible for 4 and the upper portion of the reverse osmosis system 20 of laying earlier of branch pipe 5 through the eluviation water, through a series of reverse osmosis system 20 structures such as non-woven geotechnological cloth 12, GCL reverse osmosis layer 13, high density polyethylene geomembrane 14 and geotechnological composite drainage network 15 of laying of level filling formula, thereby it realizes shortening the holistic construction period of eluviation water drainage guide system 1 to lay the eluviation water drainage guide pipe in the top of reverse osmosis system 20, thereby accelerate and use, make whole eluviation water drainage guide system 1 whole more stable of using simultaneously.

The utility model discloses an among the preferred scheme, protective layer 2 sets up in drenching the top that dissolves water collection person in charge 4 and eluviation water collection branch pipe 5, and protective layer 2 be provided with be favorable to drenching the water collection person in charge 4 and the protection of eluviation water collection branch pipe 5 top, and the eluviation water is collected person in charge 4 and the eluviation water collection branch pipe 5 and is colored pipeline.

The utility model discloses an among the preferred scheme, drench dissolve water and collect and be responsible for 4 and drench dissolve water and collect branch pipe 5 and be located protective layer french drain 20 and monitor layer french drain inside 21 respectively, protect whole timely through geotechnological filter screen 6.

The utility model discloses an among the preferred scheme, the thickness of rubble drainage blanket 16 is 300mm, and the specification of laying of geotechnological filter screen 6 is two hundred grams per square, and the geotechnological filter screen 6 of setting can play and collect the protection of being responsible for 4 and eluviation water collection branch pipe 5 when eluviation.

The utility model discloses an among the preferred scheme, the eluviation water is collected and is responsible for 4 and the tubular product specification of eluviation water collection branch pipe 5 be dn450-PE and dn355-PE respectively.

In the preferred scheme of the utility model, the foundation layer 3 is a rammed clay layer, which can improve the foundation firmness of the slope construction of the reservoir area and avoid the dispersed inclination of the main body part of the slope of the reservoir area after long-term use; the impermeable membrane 201 is geotextile.

To sum up, the utility model relates to a eluviation water collection blind ditch structure, through setting up eluviation water drainage system 1, eluviation water drainage system 1 sets up between foundation layer 3 and protective layer 2, foundation layer 3 is the clay layer that has tamped, can improve the foundation 11 firm that reservoir area side slope 18 was built, avoid reservoir area side slope 18 main part dispersion slope after long-term use, lay a series of prevention of seepage system structures such as non-weaving geotechnological cloth 12, GCL barrier layer 13, high density polyethylene geomembrane 14 and geotechnological composite drainage network 15 when the concrete implementation operation, lay and wrap up the geotechnological filter screen who lives the floral tube in the outside of blind ditch, protect the floral tube 6 through geotechnological filter screen 6, pack the wrapping with metalling 7 outside the floral tube 6, the realization of the leaching water guide and drainage system 1 is realized in a hierarchical filling mode, the overall performance is stable, the blind ditch is not easy to deform when being put into use, meanwhile, the construction period is prolonged without constructing geotextile, a gravel cushion layer, a concrete culvert pipe, coarse-grained stone, a reverse filter layer and the like in the construction process, the construction period is shortened by directly laying the non-woven geotextile 12, the GCL impermeable layer 13, the high-density polyethylene geomembrane 14 and the geotechnical composite drainage network 15, and the leaching water in the gravel layer is accelerated to be collected to the regulating tank under the common action of the leaching water collecting main pipe 4, the leaching water collecting branch pipe 5 and the impermeable system; and the second layer of anti-seepage is carried out through the monitoring layer, the forest solution possibly collected by the monitoring layer is subjected to a detection test, so that the problem of the anti-seepage structure can be early warned, the anti-seepage system of the landfill site is repaired, and the anti-seepage effect of the drainage guide system of the blind ditch can be greatly improved through double-layer protection.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a blind ditch structure is collected to eluviation water, includes eluviation water drainage guide system (1), its characterized in that: the leaching water guide and drainage system (1) comprises a protective layer (2) and a monitoring layer (3), wherein the protective layer (2) is sequentially provided with a filling layer (10), an impermeable membrane (201), a protective layer blind ditch (20), a foundation (11), a non-woven geotextile (12), a geotechnical composite drainage net (15) and a high-density polyethylene geomembrane (14) from top to bottom, and the protective layer blind ditch (20) is sequentially provided with a leaching water collecting main pipe (4), a geotechnical filter screen (6) and a gravel layer (7) from inside to outside;

monitoring layer (3) from the top down has set gradually geotechnological composite drainage network (15), non-woven geotechnological cloth (12), monitoring layer french drain (21), high density polyethylene geomembrane (14), GCL barrier layer (13) and rubble drainage blanket (16), monitoring layer french drain (21) has set gradually from inside to outside drenches dissolving water and collects branch pipe (5), geotechnological filter screen (6) and rubble layer (7).

2. The eluviation water collection blind ditch structure of claim 1, characterized in that: the main leaching water collecting pipe (4) and the branch leaching water collecting pipes (5) are all floral tubes.

3. The eluviation water collection blind ditch structure of claim 1, characterized in that: the leaching water collecting main pipe (4) and the leaching water collecting branch pipe (5) are respectively positioned in the protective layer blind ditch (20) and the monitoring layer blind ditch (21).

4. The eluviation water collection blind ditch structure according to claim 1, characterized in that: the thickness of rubble drainage blanket (16) is 300mm, geotechnological filter screen (6) lay the specification and be 200g/2.

5. The eluviation water collection blind ditch structure of claim 1, characterized in that: the specifications of the main leaching water collecting pipe (4) and the branch leaching water collecting pipe (5) are dn450-PE and dn355-PE respectively.