CN201940413U - Cover system for landfill closure site - Google Patents
Cover system for landfill closure site Download PDFInfo
- Publication number
- CN201940413U CN201940413U CN2011200064787U CN201120006478U CN201940413U CN 201940413 U CN201940413 U CN 201940413U CN 2011200064787 U CN2011200064787 U CN 2011200064787U CN 201120006478 U CN201120006478 U CN 201120006478U CN 201940413 U CN201940413 U CN 201940413U
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- CN
- China
- Prior art keywords
- covering system
- garbage loading
- loading embeading
- layer
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a cover system for a landfill closure site, which comprises a gravel layer, a bentonite waterproofing blanket layer, double rough high-density polyethylene plastic films, a composite geotextile drainage network layer, a covering soil layer and a nutritional soil layer arranged from bottom to top. The utility model has the advantages that the cover system for the landfill closure site is easy to construct and has a low cost.
Description
Technical field
The utility model relates to the refuse landfill technical field, specifically a kind of garbage loading embeading closing covering system.
Background technology
Along with the development of society and the raising of people's living standard, people are also more and more higher to the consciousness of environmental protection.But simultaneously, social development has caused has a large amount of rubbish to produce every day, and this just brings adverse influence to environmental protection.At present, the processing of rubbish is mainly taked the mode of landfill.For the rubbish that prevents landfill pollutes environment, need be to the soot covering of closing.And whether the direct rubbish that influences landfill of the quality of closing covering system pollutes the environment.Existing garbage loading embeading closing covering system mainly comprises impervious barrier, covers and support soil layer and nutrition soil layer.And the coefficient of friction of existing impervious barrier is less, is easy to generate the phenomenon on relative displacement (i.e. landslide) at this layer.For meeting " house refuse sanitary filling field closing technical regulation " requirement (CJJ112-2007), cover and support that the thickness of the layer need reach about 4.5m, generally between the 3-50 hectare, quantities is big for the real area of refuse landfill; Earthing need fetch earth from the other places in addition, is transported to junk-heap body, and carries out compacting on the slope of heap body, and each procedure operation easier is big, the cost height.And the surface of existing garbage loading embeading closing covering system only can Turf Culture, can not carry out the effective environmental greening.
Because the defective that above-mentioned existing garbage loading embeading closing covering system exists, the design people is actively studied innovation, in the hope of founding a kind of garbage loading embeading closing covering system of new structure, makes it have more practicality.
The utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of garbage loading embeading closing covering system, has easy construction, advantage that cost is low.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
Garbage loading embeading closing covering system, comprise the boulder bed, GCL layer, two exasperate high-density polyethylene plastics (High Density Polyethylene abbreviates HDPE as) film, composite earthwork draining stratum reticulare, overlying soil and the nutrition soil layer that are provided with from bottom to top.
Further, garbage loading embeading closing covering system of the present utility model can increase its practicality by following technical characterictic, wherein, also has vegetable layer on the described nutrition soil layer.
Further, garbage loading embeading closing covering system of the present utility model can increase its practicality by following technical characterictic, and wherein, described overburden soil is the compacting argillic horizon, and compactness is at least 90%.
Further, garbage loading embeading closing covering system of the present utility model can increase its practicality by following technical characterictic, and wherein, the thickness of described overlying soil is 0.5～2m.
Further, garbage loading embeading closing covering system of the present utility model can increase its practicality by following technical characterictic, and wherein, described boulder bed is that the cobble of 20～40mm is formed by diameter.
Further, garbage loading embeading closing covering system of the present utility model can increase its practicality by following technical characterictic, and wherein, the thickness of described boulder bed is 0.3m.
Under the condition that meets " house refuse sanitary filling field closing technical regulation ", compared with prior art, the beneficial effects of the utility model are:
1, the closing structure of garbage loading embeading closing covering system of the present utility model provides the basis of afforestation, by artificial greening, recover the refuse landfill green appearance, pass through ecological succession again, merge mutually with the peripheral ecosystem gradually, thoroughly repair refuse landfill and surrounding enviroment.
2, garbage loading embeading closing covering system of the present utility model prevents that effectively rainwater from infiltrating junk-heap body, reduces the percolate discharge capacity.
3, garbage loading embeading closing covering system of the present utility model prevents that effectively the rubbish foul gas from distributing, and prevents that biogas from seeing through upper layer of soil harm vegetation.
4, garbage loading embeading closing covering system of the present utility model solves the problem of supporting that the soil layer quantities is big, difficulty of construction is big that covers, easy construction, reliable in structure, and construction cost is low.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of garbage loading embeading closing covering system of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but not as to qualification of the present utility model.
As shown in Figure 1, Fig. 1 is the structural representation of the preferred embodiment of garbage loading embeading closing covering system of the present utility model.Garbage loading embeading closing covering system is included in the boulder bed 2, GCL layer 3, two exasperate high-density polyethylene plastics film 4, composite earthwork draining stratum reticulare 5, overlying soil 6, nutrition soil layer 7 and the vegetable layer 8 that are provided with on the junk-heap body 1 from bottom to top.Vegetable layer 8 is selected the grass seeds and the shrub of suitable local climate condition for use.The thickness of nutrition soil layer 7 generally is not that 0.2～0.5m is thick according to vegetable layer 8 decisions of selecting for use; Overlying soil 6 is selected the compacting clay for use, and compactness should have less infiltration coefficient more than 90%, reduces the storm seepage amount; General thickness is 0.5～2m, and thickness is that 0.5～1.5m is in the majority, and preferable thickness is 0.7～1m.Nutrition soil layer 7 and overlying soil 6 gross thickness should be more than 1m.Composite earthwork draining stratum reticulare 5 is a drainage blanket, and the web-roll core specification when the storm seepage amount that sees through the upper strata is big, by 5 drainings of composite, water-drain stratum reticulare, prevents that overlying soil 6 suctions are saturated and liquefies more than 5mm, causes the landslide.Composite, water-drain stratum reticulare 5 should be connected with Huan Chang at different levels gutter, so that seepage water is discharged outside the venue; Two exasperate HDPE films 4 are separation layer, and the gaseous state of isolated levels, liquid exchange select for use the exasperate film to increase coefficient of friction, and thickness is advisable with 1mm.GCL layer 3 is auxiliary separation layer, also can play the effect of protection HDPE film.Specification is 4800g/m commonly used
2This layer can be used 300mm compacting clay or 600g/m
2Geotextiles replaces; It is the cobble laying of 20-40mm that boulder bed 1 should be selected diameter for use, is used for the top layer plane air guide at junk-heap body 1; Also can use the composite earthwork drainage network to replace, more than the web-roll core specification 5mm.The gradient of junk-heap body 1 should meet related specifications, generally is no more than 1: 3; The heap body is answered compacting, and gas directing system and percolate guide system are set.
Above embodiment is an exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (7)
1. garbage loading embeading closing covering system is characterized in that, comprises the boulder bed, GCL layer, two exasperate high-density polyethylene plastics film, composite earthwork draining stratum reticulare, overlying soil and the nutrition soil layer that are provided with from bottom to top.
2. garbage loading embeading closing covering system according to claim 1 is characterized in that, also has vegetable layer on the described nutrition soil layer.
3. garbage loading embeading closing covering system according to claim 1 is characterized in that described overburden soil is the compacting argillic horizon, and compactness is at least 90%.
4. garbage loading embeading closing covering system according to claim 1 is characterized in that the thickness of described overlying soil is 0.5～2m.
5. garbage loading embeading closing covering system according to claim 1 is characterized in that the thickness of described overlying soil is 1m.
6. garbage loading embeading closing covering system according to claim 1 is characterized in that, described boulder bed is that the cobble of 20～40mm is formed by diameter.
7. garbage loading embeading closing covering system according to claim 1 is characterized in that the thickness of described boulder bed is 0.3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200064787U CN201940413U (en) | 2011-01-11 | 2011-01-11 | Cover system for landfill closure site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200064787U CN201940413U (en) | 2011-01-11 | 2011-01-11 | Cover system for landfill closure site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201940413U true CN201940413U (en) | 2011-08-24 |
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ID=44467764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200064787U Expired - Lifetime CN201940413U (en) | 2011-01-11 | 2011-01-11 | Cover system for landfill closure site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201940413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604907A (en) * | 2013-11-12 | 2014-02-26 | 中国科学院武汉岩土力学研究所 | Environmental evolution and impermeable failure analog simulation system for refuse landfill closure coverage system |
| CN106552806A (en) * | 2016-11-16 | 2017-04-05 | 湖南省园林建设有限公司 | Solid waste stacks field method for innocent treatment |
-
2011
- 2011-01-11 CN CN2011200064787U patent/CN201940413U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604907A (en) * | 2013-11-12 | 2014-02-26 | 中国科学院武汉岩土力学研究所 | Environmental evolution and impermeable failure analog simulation system for refuse landfill closure coverage system |
| CN106552806A (en) * | 2016-11-16 | 2017-04-05 | 湖南省园林建设有限公司 | Solid waste stacks field method for innocent treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING GUANGTAI YUANHEJIA ENVIRONMENTAL ENGINEERI Free format text: FORMER NAME: BEIJING HEJIAXINNUO MUNICIPAL ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 100015 Beijing city Chaoyang District cuigezhuang pasture Village No. 114 in a room 1283 Patentee after: BEIJING GTY HEJIA ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. Address before: 102600, Beijing, Daxing District after the stability of the town village village north 300 meters Patentee before: Beijing HejiaXinnuo Municipal Engineering Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110824 |
|
| CX01 | Expiry of patent term |