CN202227453U - Floor drain type seepage-proofing drainage-guiding structure of refuse landfill - Google Patents
Floor drain type seepage-proofing drainage-guiding structure of refuse landfill Download PDFInfo
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- CN202227453U CN202227453U CN 201120309653 CN201120309653U CN202227453U CN 202227453 U CN202227453 U CN 202227453U CN 201120309653 CN201120309653 CN 201120309653 CN 201120309653 U CN201120309653 U CN 201120309653U CN 202227453 U CN202227453 U CN 202227453U
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- refuse landfill
- floor drain
- dam
- seepage
- impervious barrier
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Abstract
The utility model relates to a floor drain type seepage-proofing drainage-guiding structure of a refuse landfill, which aims at being simple in structure and convenient to construct so as to ensure the floor drain type seepage-proofing drainage-guiding structure of the refuse landfill to be intact integrally and effective in seepage proof. The technical scheme is that the floor drain type seepage-proofing drainage-guiding structure of the refuse landfill is provided with a basin-shaped refuse landfill area formed by constructing a refuse dam, a seepage-proofing layer is overlaid respectively at the bottom of the area and the surface of a slide slope, and the seepage-proofing layer is sequentially provided with a percolate drainage-guiding layer and reverse-filtering geotextile in overlaying mode from top to bottom. The floor drain type seepage-proofing drainage-guiding structure of the refuse landfill is characterized in that a plastic short tube communicated with the percolate drainage-guiding layer is vertically arranged at the bottom of the refuse landfill area, the upper end of the plastic short tube is provided with a flange and is welded with the seepage-proofing layer overlaid at the bottom of the refuse landfill area, and the lower end of the plastic short tube is connected with a dam-penetrating direct tube penetrating through the bottom of the dam through a 90-degree elbow. The floor drain type seepage-proofing drainage-guiding structure of the refuse landfill is suitable for municipal solid waste landfills.
Description
Technical field
The utility model relates to a kind of refuse landfill floor drain formula antiseepage guide structure, mainly is applicable in the city life garbage landfill engineering.
Background technology
Valley type landfill is generally built waste dam 1 ' in the entrance, mountain valley; Form the garbage loading embeading reservoir area of basin shape; Bottom, reservoir area and mountain valley side slope are laid impervious barrier 2 '; Impervious barrier 2 ' top is provided with oozes drop liquid lead layer, be used for collecting the garbage loading embeading process since rainfall infiltration and rubbish self decompose produce ooze drop liquid.Ooze drop liquid and import the sewage disposal system processing through guide pipeline 7 '; Guide pipeline 7 ' is in the guide process; Need pass through the rubbish dam body; Traditional method adopts and directly wears dam technology, and promptly guide pipeline 7 ' directly passes through the rubbish dam body according to the reservoir area gradient with the straight tube form, and the antiseepage film repair welding is used in pipeline and dam body surface anti-seepage layer intersection.Mountain valley-type landfill yard waste dam generally adopts earth and stone material that the reservoir area excavates out as dam material; And owing to constructing reasons such as rolling technique and posterior settlement, landfill operation roll, differential settlement very easily takes place in waste dam under various stress effects, cause wearing place, dam antiseepage film by drawing crack; Periosteum separates; Ooze drop liquid generation seepage, destroyed the whole anti-seepage effect of landfill yard, and be difficult to repair.
Summary of the invention
The technical problem that the utility model will solve is: directly wear the pipeline external force resistance difference of bringing on the dam and cause the big problem of damaged possibility to present waste landfill site leachate discharge guiding pipe; A kind of refuse landfill floor drain formula antiseepage guide structure of simple in structure, easy construction is provided; Effectively avoid the seepage that causes because of differential settlement, to guarantee the overall integrity and the antiseepage validity of refuse landfill antiseepage guide structure.
The technical scheme that the utility model adopted is: refuse landfill floor drain formula antiseepage guide structure; Have through building the basin shape garbage loading embeading reservoir area that waste dam forms; Impervious barrier is laid on this bottom, reservoir area and side slope surface; The impervious barrier top is laid successively from bottom to top and is oozed drop liquid lead layer and anti-filter geotextiles; It is characterized in that: said garbage loading embeading reservoir area bottom is vertical to be arranged and oozes the plastic tubulature that drop liquid lead layer is communicated with, this plastic tubulature upper end flanged and with the impervious barrier welding that is layed in the bottom, reservoir area, the lower end through 90 spend that the elbows connection passes at the bottom of the waste dam dam wear the dam straight tube.
Cast one circle annular concrete basis below the bottom, said garbage loading embeading reservoir area, around plastic tubulature top, the bolt that this concrete foundation upper surface passes through one group of symmetric arrangement is fixedly connected with impervious barrier.
Said bolt comprises that an end is anchored in the expansion bolt in the concrete foundation; This expansion bolt other end extends concrete foundation upper surface top, thereby and passes liner I, impervious barrier, liner II, the flat flat steel bar of stainless steel and stainless steel gasket rear thread attaching nut successively and realize the fixing of impervious barrier.
The thickness of said concrete foundation is more than or equal to 100mm.
Said bolt arrives the distance of concrete foundation external cylindrical surface more than or equal to 100mm.
Said plastic tubulature water inlet is embedded with the sluicing grate.
Said elbow outsourcing is supported and is used the concrete buttress.
Saidly wear dam straight tube outsourcing protection and wrap with concrete side.
Said impervious barrier is the HDPE antiseepage film.
The beneficial effect of the utility model is: the utility model is designed to the floor drain formula with the guide structure; Promptly vertically arrange and ooze the flanged plastic tubulature that drop liquid lead layer is communicated with in garbage loading embeading reservoir area bottom; And this plastic tubulature upper end is flanged and with the impervious barrier welding that is layed in the bottom, reservoir area, the lower end through 90 degree elbows connect pass at the bottom of the waste dam dam wear the dam straight tube; The weld of plastic tubulature and impervious barrier does not receive the influence of waste dam differential settlement; Thereby what solved that the waste dam differential settlement brings in the prior art wears straight tube place, dam impervious barrier by drawing crack; Cause periosteum to separate; The problem that the reservoir area seepage control system is destroyed has guaranteed the overall integrity and the antiseepage validity of refuse landfill antiseepage guide structure.
Description of drawings
Fig. 1 is the structure chart of the utility model background technology.
Fig. 2 is the structure chart of the utility model.
Fig. 3 is that bolt connects drawing among Fig. 2.
The specific embodiment
As shown in Figure 2; Present embodiment is example with the valley type landfill, and it forms basin shape garbage loading embeading reservoir area through build waste dam 1 in the entrance, mountain valley, and impervious barrier 2 (adopting the HDPE antiseepage film to process) is laid on this bottom, reservoir area and side slope surface; Impervious barrier 2 tops are laid successively from bottom to top and are oozed drop liquid lead layer 3 and anti-filter geotextiles 4; Said garbage loading embeading reservoir area bottom is vertical to be arranged and oozes the plastic tubulature 5 that drop liquid lead layer 3 is communicated with, this plastic tubulature upper end flanged and with the impervious barrier that is layed in the bottom, reservoir area 2 welding, the lower end is spent elbows 6 connections through 90 and is worn dam straight tube 7; This is worn the dam straight tube other end and extends outside the waste dam 1, and is connected with outside sewage disposal system; Quantity and the elevation of wearing dam straight tube 7 can be provided with according to the landfill yard actual conditions flexibly, and not receiving the reservoir area to ooze drop liquid guide system elevation influences, and wear dam straight tube 7 in this example and at the bottom of waste dam 1 dam, pass, the whole floor drain formula guide structure that forms.
Cast one circle annular concrete basis 8 below the bottom, said garbage loading embeading reservoir area, around plastic tubulature 5 tops, the bolt 9 that this concrete foundation upper surface passes through one group of symmetric arrangement is fixedly connected with impervious barrier 2; The thickness of concrete foundation 8 is more than or equal to 100mm in this example, and generally is no more than 300mm, and bolt 9 to the distance of concrete foundation 8 external cylindrical surfaces more than or equal to 100mm, and generally be no more than 300mm, to guarantee whole stable degree.
As shown in Figure 3; Said bolt 9 comprises that an end is anchored in the expansion bolt 9-1 in the concrete foundation 8; This expansion bolt other end extends concrete foundation 8 upper surfaces top; And be threaded with nut 9-6 after passing liner I 9-2, impervious barrier 2, liner II 9-3, the flat flat steel bar 9-4 of stainless steel and stainless steel gasket 9-5 successively; Thereby bottom of the reservior impervious barrier 2 is fixedly connected with concrete foundation 8, can as required impervious barrier 2 and liner I 9-2, liner II 9-3, the flat flat steel bar 9-4 welding of stainless steel be fixed after the installation.
Said plastic tubulature 5 water inlets (promptly with the impervious barrier welding ends) are embedded with sluicing grate 10, are used to prevent that foreign material from getting into guide pipeline (comprise plastic tubulature, elbow and wear the dam straight tube) with current, avoid blocking channel.
For guaranteeing guide pipeline resistance to overturning, said elbow 6 Outsourcing Concrete buttresses 11 provide certain supporting role; Wear dam straight tube 7 for protection simultaneously, be cast with concrete side's bag 12 at its external surface, reduction causes wearing the possibility that dam straight tube 7 deforms and ruptures because of differential settlement.
The construction sequence of present embodiment is following:
(needing to show soil earlier before the build waste dam 1 excavates for a, the base surface behind the excavation of planning to build waste dam 1; This base surface promptly is the base surface that forms after table soil excavation is accomplished) go up to lay and wear dam straight tube 7; And make this wear dam straight tube one end to extend and plan to build waste dam 1 outside and be connected with outside sewage disposal system; The other end extends plans to build below, refuse landfill bottom of the reservior, and pour concrete side wraps 12 outside wearing dam straight tube 7 then, the safety of wearing dam straight tube 7 with protection;
B, build waste dam 1, form the refuse landfill of basin shape in the entrance in mountain valley;
Arrange 90 degree elbows 6 in c, the foundation soil below the refuse landfill bottom of the reservior, and outside this elbow, build concrete buttress 11, play the effect of supporting and protecting elbow 6; Vertically then arrange flanged (FLGD) plastic tubulature 5, make its upper end extend the refuse landfill bottom of the reservior, the lower end through elbow 6 with wear dam straight tube 7 and be communicated with;
Cast one circle annular concrete basis 8 in d, the foundation soil below the refuse landfill bottom of the reservior, around plastic tubulature 5 tops, and arrange that one group of bolt 9 is fixedly connected bottom of the reservior impervious barrier 2 with concrete foundation 8;
E, with plastic tubulature 5 upper ends (flanged end) and the impervious barrier that is layed in reservoir area bottom 2 welding, and sluicing grate 10 is installed in the water inlet of plastic tubulature 5, in case foreign material get into the guide pipeline with current, cause obstruction;
Drop liquid lead layer 3 is oozed in f, bottom of the reservior backfill, and the anti-filter of laying geotextiles 4 gets final product on the surface.
When pouring into a mould above-mentioned concrete foundation 8, must foundation soil be excavated to projected depth earlier with concrete buttress 11, completion to be cast and solidify after backfill is closely knit again gets final product.
Claims (9)
1. refuse landfill floor drain formula antiseepage guide structure; Have through building the basin shape garbage loading embeading reservoir area that waste dam (1) forms; Impervious barrier (2) is laid on this bottom, reservoir area and side slope surface; Impervious barrier (2) top is laid successively from bottom to top and is oozed drop liquid lead layer (3) and anti-filter geotextiles (4); It is characterized in that: said garbage loading embeading reservoir area bottom is vertical to be arranged and oozes the plastic tubulature (5) that drop liquid lead layer (3) is communicated with, this plastic tubulature upper end flanged and with impervious barrier (2) welding that is layed in the bottom, reservoir area, the lower end through 90 spend that elbows (6) connection passes at the bottom of waste dam (1) dam wear dam straight tube (7).
2. refuse landfill floor drain formula antiseepage guide structure according to claim 1; It is characterized in that: below the bottom, said garbage loading embeading reservoir area, around plastic tubulature (5) top cast one circle annular concrete basis (8), and the bolt (9) that this concrete foundation upper surface passes through one group of symmetric arrangement is fixedly connected with impervious barrier (2).
3. refuse landfill floor drain formula antiseepage guide structure according to claim 2; It is characterized in that: said bolt (9) comprises that an end is anchored in the expansion bolt (9-1) in the concrete foundation (8); This expansion bolt other end extends concrete foundation (8) upper surface top, and pass successively liner I (9-2), impervious barrier (2), liner II (9-3), the flat flat steel bar (9-4) of stainless steel with stainless steel gasket (9-5) rear thread attaching nut (9-6) thus realize fixing of impervious barrier (2).
4. according to claim 2 or 3 described refuse landfill floor drain formula antiseepage guide structures, it is characterized in that: the thickness of said concrete foundation (8) is more than or equal to 100mm.
5. according to claim 2 or 3 described refuse landfill floor drain formula antiseepage guide structures, it is characterized in that: said bolt (9) arrives the distance of concrete foundation (8) external cylindrical surface more than or equal to 100mm.
6. refuse landfill floor drain formula antiseepage guide structure according to claim 1, it is characterized in that: said plastic tubulature (5) water inlet is embedded with sluicing grate (10).
7. refuse landfill floor drain formula antiseepage guide structure according to claim 1, it is characterized in that: said elbow (6) outsourcing is supported with concrete buttress (11).
8. refuse landfill floor drain formula antiseepage guide structure according to claim 1 is characterized in that: saidly wear dam straight tube (7) outsourcing protection with concrete side's bag (12).
9. refuse landfill floor drain formula antiseepage guide structure according to claim 1 is characterized in that: said impervious barrier (2) is the HDPE antiseepage film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120309653 CN202227453U (en) | 2011-08-24 | 2011-08-24 | Floor drain type seepage-proofing drainage-guiding structure of refuse landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120309653 CN202227453U (en) | 2011-08-24 | 2011-08-24 | Floor drain type seepage-proofing drainage-guiding structure of refuse landfill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202227453U true CN202227453U (en) | 2012-05-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120309653 Expired - Lifetime CN202227453U (en) | 2011-08-24 | 2011-08-24 | Floor drain type seepage-proofing drainage-guiding structure of refuse landfill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202227453U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383490A (en) * | 2011-08-24 | 2012-03-21 | 中国水电顾问集团华东勘测设计研究院 | Ground leakage type water tight guiding and removing structure of refuse landfill and construction method thereof |
| CN107620325A (en) * | 2017-10-17 | 2018-01-23 | 中国科学院武汉岩土力学研究所 | A kind of composite anti-penetrating system for landfill yard high gradient slope |
| CN109629609A (en) * | 2018-12-28 | 2019-04-16 | 沈阳工业大学 | Utilize the landfill pad layer anchor structure of rice hull ash concrete |
-
2011
- 2011-08-24 CN CN 201120309653 patent/CN202227453U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383490A (en) * | 2011-08-24 | 2012-03-21 | 中国水电顾问集团华东勘测设计研究院 | Ground leakage type water tight guiding and removing structure of refuse landfill and construction method thereof |
| CN107620325A (en) * | 2017-10-17 | 2018-01-23 | 中国科学院武汉岩土力学研究所 | A kind of composite anti-penetrating system for landfill yard high gradient slope |
| CN109629609A (en) * | 2018-12-28 | 2019-04-16 | 沈阳工业大学 | Utilize the landfill pad layer anchor structure of rice hull ash concrete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20131218 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20131218 |
|
| RGAV | Abandon patent right to avoid regrant |