CN105002974A - Rainwater-sewage diversion system for reservoir area under crest elevation of dam of gully type refuse landfill - Google Patents
Rainwater-sewage diversion system for reservoir area under crest elevation of dam of gully type refuse landfill Download PDFInfo
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- CN105002974A CN105002974A CN201510479286.0A CN201510479286A CN105002974A CN 105002974 A CN105002974 A CN 105002974A CN 201510479286 A CN201510479286 A CN 201510479286A CN 105002974 A CN105002974 A CN 105002974A
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- rainwater
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- rain
- refuse
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention discloses a rainwater-sewage diversion system for a reservoir area under crest elevation of a dam of a gully type refuse landfill. The rainwater-sewage diversion system comprises a reservoir area foundation, reservoir area side walls, an impermeable layer, a refuse dam, refuse landfilling substances, collecting gutters, rainwater pipes, rainwater gutters, rainwater gutter cover plates and a temporary covering layer, wherein the impermeable layer, the refuse dam and the refuse landfilling substances are arranged on the reservoir area foundation in a covering manner; the collecting gutters are formed in the upper surface of the impermeable layer and in slope toes of the refuse dam, the rainwater pipes are arranged at the lower part of the refuse dam and communicated with the rainwater pipe, the rainwater gutters are formed in refuse dam inner slope surfaces in the intersected positions of the inner slopes of the refuse dam and the side walls of the reservoir area, the rainwater gutter cover plates are arranged above the rainwater gutters as high as the landfill substances, and the refuse landfill substances are covered with the temporary covering layer. The technical problem that rainwater is totally immersed into refuse dump and turns into leachate due to the fact that rainwater and sewage cannot be divided in the reservoir area under the crest elevation of the dam of the gully type refuse landfill is solved; the rainwater-sewage diversion system has the advantages of simple structure, convenience in construction and reliable diversion effect and can be applied to rainwater-sewage diversion in the reservoir area of a plain type landfill.
Description
Technical field
The present invention relates to the dirty separate system of rain of below a kind of refuse landfill rain dirty separate system, particularly a kind of gully type refuse landfill crest elevation reservoir area, the present invention is also applicable to the rain dirt shunting of plain type landfill reservoir area.
Background technology
The basic function of refuse landfill be the effect of laying impervious barrier structure by place surrounding by garbage loading embeading thing and surrounding formation completely isolated, form the independent and environment closed of refuse landfill, prevent percolate from permeating the ground and underground water around landfill yard polluted.Moisture and the rainwater of the moisture that the source of percolate has rubbish decompose themselves to produce, rubbish infiltrates the sewage produced, and rainwater infiltration is the main cause that percolate produces in a large number, if by refuse landfill rain dirty separate system the rainwater produced within the scope of landfill district effectively can be separated and not by refuse pollution, garbage loading embeading is directly discharged outside the venue by rainwater guide system, reach the object of rain dirt shunting, just percolate output be can greatly reduce, percolate treating capacity and disposal cost reduced.
Gully type refuse landfill bottom of the reservior elevation is difficult to discharge landfill yard by the dirty separate system of the above rain of crest elevation in gravity flow mode lower than the reservoir area rainfall (or rainwater of plain type landfill reservoir area) of waste dam crest elevation subregion, realizes rainwater sewage separation.Therefore, at reservoir area crest elevation, the dirty separate system of corresponding rain should be set with lower area and complete rain dirt shunting, to reduce the generation of percolate.The present invention proposes based on above reason just.
Summary of the invention
The technical problem to be solved in the present invention is to provide the rain of below a kind of technically reliable, easy construction, shunting effect reliable gully type refuse landfill crest elevation reservoir area dirty separate system.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme: the dirty separate system of rain of reservoir area below a kind of gully type refuse landfill crest elevation, comprise above basis, reservoir area, reservoir area sidewall, basis, reservoir area and cover impervious barrier, waste dam and garbage loading embeading thing, it is characterized in that: also comprise collecting gutter, rain pipe, rain rill, rain rill cover plate and temporary cover layer; Toe above impervious barrier, in the waste dam slope of this slope, face of waste dam landfill waste (i.e. at the bottom of) arranges collecting gutter, under waste dam, rain pipe is set, rain pipe is communicated with collecting gutter, along domatic in the waste dam of waste dam inner slope and reservoir area sidewall intersection, rain rill is set, rain rill cover plate is set above the rain rill identical with garbage loading embeading height, garbage loading embeading thing surface coverage temporary cover layer.
Reservoir area below general gully type refuse landfill crest elevation, rainwater is difficult to realize rain dirt shunting by the dirty separate system of the above rain of dam crest.The present invention by arrange on garbage loading embeading thing surface temporary cover layer by garbage loading embeading thing surface, reservoir area more than, crest elevation is blocked on temporary cover layer with the reservoir area rainwater of lower area, temporary cover layer keeps the gradient of toe in upstream to waste dam, ensure that the rainwater on temporary cover layer surface is along its domatic inflow rain rill, and flow into through rain rill the collecting gutter that in waste dam, toe is arranged, be collected in rainwater in collecting gutter again by outside rain pipe guide to landfill yard under waste dam, realize the object of rain dirt shunting.
The invention solves the rainwater of below gully type refuse landfill crest elevation reservoir area, rainwater that sewage cannot be shunted and cause all infiltrates junk-heap body and change percolate into, leachate generation is increased, cause the problem that percolate treating capacity is large, disposal cost is high, have that structural shape is simple, easy construction, the reliable advantage of shunting effect; The present invention is also applicable to the rain dirt shunting of plain type landfill reservoir area.
Accompanying drawing explanation
Fig. 1 is the dirty separate system floor map of refuse landfill rain;
Fig. 2 is A-A sectional drawing;
Fig. 3 is B-B sectional drawing;
Fig. 4 is C-C sectional drawing;
Fig. 5 is rain rill section.
In figure: 1-garbage loading embeading thing, 2-reservoir area sidewall, 3-waste dam, domatic in 301-waste dam, 302-rubbish dam crest, 303-waste dam outer slope, 4-rain rill, 5-impervious barrier, 6-collecting gutter, 7-rain pipe, 8-rain rill cover plate, 9-temporary cover layer, basis, 10-reservoir area.
Detailed description of the invention
As shown in Figure 1, Figure 2 with shown in Fig. 4: the dirty separate system of rain of reservoir area below a kind of gully type refuse landfill crest elevation, comprise above basis, reservoir area 10, reservoir area sidewall 2, basis, reservoir area 10 and cover impervious barrier 5, waste dam 3 and garbage loading embeading thing 1, also comprise collecting gutter 6, rain pipe 7, rain rill 4, rain rill cover plate 8 and temporary cover layer 9; Toe above impervious barrier 5, in waste dam 3 slope of this slope, face of waste dam landfill waste (i.e. at the bottom of) arranges collecting gutter 6, waste dam arranges rain pipe 73 times, rain pipe 7 is communicated with collecting gutter 6, with domatic 301 to arrange in rain rill 4 i.e. waste dam 3 and the waste dam of reservoir area sidewall 2 intersection domatic 301 rain rill 4 be set in the waste dam of reservoir area sidewall 2 intersection, the rain rill 4 identical with garbage loading embeading height arranges rain rill cover plate 8, garbage loading embeading thing 1 surface coverage temporary cover layer 9 above.Waste dam 3 is prior aries, and it comprises domatic 301 in waste dam, rubbish dam crest 302 and waste dam outer slope 303.
See Fig. 3 and Fig. 4, temporary cover layer 9, for the interim covering of garbage loading embeading thing, stop that rainwater enters garbage loading embeading thing and becomes percolate, temporary cover layer 9 material can select HDPE film, Polypropylence Sheet, argillic horizon etc.; Rain rill 4 is specifically the rainwater on temporary cover layer 9 surface from garbage loading embeading thing surface for guide.Rain rill 4 specification calculates according to parameters such as reservoir area catchment area, amount of precipitations to be determined; Rain rill 4 is monolithic reinforced concrete structure, reinforcing bar arrangement of reinforcement and concrete strength according on cover garbage loading embeading thing THICKNESS CALCULATION and determine.Collecting gutter 6 is monolithic reinforced concrete structure, and specification calculates according to the parameter such as reservoir area catchment area, amount of precipitation to be determined, reinforcing bar arrangement of reinforcement and concrete strength according on cover garbage loading embeading thing THICKNESS CALCULATION and determine.
The structural relation of rain rill cover plate 8 and rain rill 4 is as shown in Figure 5: rain rill 4 and refuse landfill are constructed and completed simultaneously, and rain rill cover plate 8 is successively increased with the height increase of garbage loading embeading thing 1, and the height at every turn increased is identical with the height of garbage loading embeading thing 1.See Fig. 2: the caliber of rain pipe 7 calculates according to the size of amount of rainfall to be determined.
Rain rill 4, collecting gutter 6, rain rill cover plate 8 and the linking antiseepage between them must meet antiseepage class requirement.
The present invention is applicable to the rain dirt shunting of below gully type refuse landfill crest elevation reservoir area, garbage loading embeading thing arranges temporary cover layer 9 and is blocked on temporary cover layer 9 by the above crest elevation in reservoir area garbage loading embeading thing 1 surface with the reservoir area rainwater of lower area, temporary cover layer 9 keeps the gradient of toe in upstream to waste dam, ensure that the rainwater on temporary cover layer 9 surface is along domatic inflow rain rill 4, and the collecting gutter 6 that in waste dam, toe is arranged is flowed into through rain rill 4, be collected in rainwater in collecting gutter 6 again by outside the guide to landfill yard of waste dam 3 times rain pipes 7, realize the object of rain dirt shunting.
Claims (3)
1. the dirty separate system of the rain of reservoir area below a gully type refuse landfill crest elevation, comprise above basis, reservoir area, reservoir area sidewall, basis, reservoir area and cover impervious barrier, waste dam and garbage loading embeading thing, it is characterized in that: also comprise collecting gutter (6), rain pipe (7), rain rill (4), rain rill cover plate (8) and temporary cover layer (9); Above impervious barrier (5), waste dam (3) interior toe arranges collecting gutter (6), rain pipe (7) is set under waste dam (3), rain pipe (7) is communicated with collecting gutter (6), waste dam (3) arranges rain rill (4) with domatic (301) in the waste dam of reservoir area sidewall (2) intersection, the rain rill (4) identical with garbage loading embeading height arranges rain rill cover plate (8), garbage loading embeading thing (1) surface coverage temporary cover layer (9) above.
2. the dirty separate system of the rain of reservoir area below a kind of gully type refuse landfill crest elevation as claimed in claim 1, is characterized in that: temporary cover layer (9) material selection HDPE film, Polypropylence Sheet or argillic horizon.
3. the dirty separate system of the rain of reservoir area below a kind of gully type refuse landfill crest elevation as claimed in claim 2, it is characterized in that: rain rill cover plate (8) is successively increased with the height increase of garbage loading embeading thing (1), and the height at every turn increased is identical with the height of garbage loading embeading thing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479286.0A CN105002974A (en) | 2015-08-03 | 2015-08-03 | Rainwater-sewage diversion system for reservoir area under crest elevation of dam of gully type refuse landfill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479286.0A CN105002974A (en) | 2015-08-03 | 2015-08-03 | Rainwater-sewage diversion system for reservoir area under crest elevation of dam of gully type refuse landfill |
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| Publication Number | Publication Date |
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| CN105002974A true CN105002974A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510479286.0A Pending CN105002974A (en) | 2015-08-03 | 2015-08-03 | Rainwater-sewage diversion system for reservoir area under crest elevation of dam of gully type refuse landfill |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464191A (en) * | 2015-12-30 | 2016-04-06 | 环境保护部南京环境科学研究所 | Rain sewage diverting and guiding system of valley-type waste landfill and using method thereof |
| CN106522340A (en) * | 2016-10-18 | 2017-03-22 | 湖南首创投资有限责任公司 | Transformation method for achieving diversion of rain and sewage in non-partitioned plain-type refuse landfill |
-
2015
- 2015-08-03 CN CN201510479286.0A patent/CN105002974A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464191A (en) * | 2015-12-30 | 2016-04-06 | 环境保护部南京环境科学研究所 | Rain sewage diverting and guiding system of valley-type waste landfill and using method thereof |
| CN106522340A (en) * | 2016-10-18 | 2017-03-22 | 湖南首创投资有限责任公司 | Transformation method for achieving diversion of rain and sewage in non-partitioned plain-type refuse landfill |
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Application publication date: 20151028 |