CN209161804U - Gas guide system under a kind of film for sludge curing place - Google Patents

Gas guide system under a kind of film for sludge curing place Download PDF

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Publication number
CN209161804U
CN209161804U CN201821819831.1U CN201821819831U CN209161804U CN 209161804 U CN209161804 U CN 209161804U CN 201821819831 U CN201821819831 U CN 201821819831U CN 209161804 U CN209161804 U CN 209161804U
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China
Prior art keywords
film
sludge curing
gas guide
guide system
curing place
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CN201821819831.1U
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Inventor
田素芳
齐长青
黄志亮
罗彬�
王磊
张道利
郎洁
朱祥
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Beijing Geoenviron Engineering and Technology Inc
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Beijing Geoenviron Engineering and Technology Inc
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Abstract

Gas guide system under a kind of film for sludge curing place, it is related to gas guide field, including a plurality of guide french drain and multiple discharge guiding pipes, the bottom storehouse of waste burying is arranged in a plurality of guide french drain, and every guide french drain is set under film, and collecting pipe is equipped in every guide french drain and is filled with metaling, the both ends of each collecting pipe are connected to a discharge guiding pipe, each discharge guiding pipe is laid with along side slope, and is extended to outside sludge curing place.The utility model relates to film under gas guide system, landfill gas aggregation bulge under film can be effectively prevent to destroy the jacking of HDPE film and Leachate site guide pipeline, played an important role to the safe handling of the waste burying impervious barrier after guarantee sludge curing place dilatation.

Description

Gas guide system under a kind of film for sludge curing place
Technical field
The utility model belongs to gas guide field, more particularly, to gas under a kind of film for sludge curing place Body guide system.
Background technique
It shows according to investigations, 104301.4 ton/days of sludge of the moisture content 80% that the whole nation generates at present, deals carefully with disposition rate It is only largely filled or is toppled over disposition in violation of rules and regulations in 31%~36%, remaining sludge, it is thousands of to form the whole nation now Big and small sludge sump.With the process of urban development, the environment and security risk of sludge sump are gradually taken seriously, place Using also becoming more more and more urgent.For a variety of Sludge Disposal Techniques, sludge in-situ curing technology is since operating efficiency is high, construction Work surface is small, place bearing capacity is high after sludge curing, is more and more adopted.Since landfill yard again addressing is more and more tired Difficulty, sludge curing place are generally used for enlarging consumer waste filling and embedding reservoir area, flying dust waste burying etc..
Due to extending reservoir area in sludge in-situ solidification place, it is necessary to spread high density polyethylene antiseepage film, referred to as It is complete to form newly-built reservoir area for film up-protective layer, Leachate site lead layer rubble and the pipeline etc. that HDPE film and landfill yard need Seepage control system.The organic matter of sludge does not have degradable (content of organic matter is in 5%-10%) after solidification, with the migration of time, The landfill gas such as methane gas are gathered under film after generating, and are caused the bulge of HDPE film, be will cause penetrating brokenly for HDPE film when serious Bad and landfill yard pipeline deformation failure.Therefore, before extending waste burying, need to be arranged landfill gas guide facility under film.
Utility model content
The purpose of the utility model is to provide gas guide systems under a kind of film for sludge curing place, are used for film The landfill gas of lower generation exports, and in the sludge in-situ solidification vertical dilatation in place as in waste burying use process, avoids the occurrence of The landfill gas generated in sludge destroys the jacking of impervious barrier.
To achieve the goals above, the utility model provides gas guide system under a kind of film for sludge curing place System, the sludge curing place includes waste burying and the side slope set on the waste burying surrounding, gas guide under the film System includes a plurality of guide french drain and multiple discharge guiding pipes, and the bottom storehouse of the waste burying is arranged in a plurality of guide french drain, and Every guide french drain is set under film, and collecting pipe is equipped in every guide french drain and is filled with metaling, each The both ends of collecting pipe are connected to a discharge guiding pipe, and each discharge guiding pipe is laid with along the side slope, and extend to described Outside sludge curing place.
Preferably, film lower protective layer is equipped between the metaling and the film.
Preferably, the collecting pipe is high density polyethylene (HDPE) floral tube.
Preferably, the discharge guiding pipe is that high density polyethylene (HDPE) is managed in fact.
Preferably, the metaling is wrapped up with geotextiles, and the mass area ratio of the geotextiles is not less than 200g/ m2
Preferably, the cross section of every guide french drain is inverted trapezoidal or rectangle.
Preferably, a plurality of guide french drain is set to the bottom storehouse of the waste burying in cross or groined type.
Preferably, the metaling is graded broken stone, partial size 20-60mm.
Preferably, one end of the discharge guiding pipe is connected to the collecting pipe, and the other end extends to the outside 1- of the side slope At 2m, and the other end 1m at least above ground level of the discharge guiding pipe.
Further, the other end of the discharge guiding pipe is equipped with dismountable end cap.
The utility model relates to a kind of film for sludge curing place under the beneficial effect of gas guide system be: Discharge guiding pipe along side slope arrangement is set, avoids landfill gas from being sealed up for safekeeping by liquid, keeps exhaust passage unimpeded;Floral tube is used as collecting pipe The landfill gas generated under collection membrane increases landfill-gas collecting area;Include metaling with geotextiles, sundries blocking is avoided to collect Pipe, influences the collection of landfill gas;Discharge guiding pipe one end above ground level is equipped with end cap, for avoiding rainwater etc. from entering pipeline, influences to lead Arrange effect;The utility model relates to system, landfill gas aggregation bulge can be effectively prevent to lead HDPE film and Leachate site under film The jacking of discharge pipe destroys, and plays important work to the safe handling of the waste burying impervious barrier after guarantee sludge curing place dilatation With.
Other features and advantages of the utility model will then part of the detailed description can be specified.
Detailed description of the invention
The utility model illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the utility model it is upper It states and other purposes, feature and advantage will be apparent, wherein in the utility model illustrative embodiments, phase Same reference label typically represents same parts.
Fig. 1 shows gas guide system under the film for sludge curing place of the exemplary embodiment of the utility model Structural schematic diagram;
Fig. 2 shows gas guide systems under the film for sludge curing place of the exemplary embodiment of the utility model Guide french drain cross-sectional view;
Fig. 3 shows gas guide system under the film for sludge curing place of the exemplary embodiment of the utility model Discharge guiding pipe position view;
Description of symbols:
1 guide french drain, 2 metalings, 3 collecting pipes, 4 discharge guiding pipes, 5 waste buryings, 6 geotextiles, 7 films, 8 film lower protective layers, 9 End cap, 10 side slopes, 11 sludge curings basis, 12 anchoring grooves.
Specific embodiment
Preferred embodiments of the present invention are described in more detail below.Although the following describe the utility model Preferred embodiment, however, it is to be appreciated that may be realized in various forms the utility model without the implementation that should be illustrated here Mode is limited.On the contrary, thesing embodiments are provided so that the utility model is more thorough and complete, and can be by this The range of utility model is completely communicated to those skilled in the art.
In order to solve the problems existing in the prior art, the utility model provides gas under a kind of film for sludge curing place Body guide system, sludge curing place include waste burying and the side slope set on waste burying surrounding, gas guide system under the film System includes a plurality of guide french drain and multiple discharge guiding pipes, and the bottom storehouse of waste burying, the library of waste burying is arranged in a plurality of guide french drain Bottom is smooth sludge curing basis, and a plurality of guide french drain setting is on sludge curing basis, and every guide french drain is all provided with Under film, film, that is, high density polyethylene antiseepage film;
It is equipped with collecting pipe in every guide french drain and is filled with metaling, the both ends of each collecting pipe are connected to one A discharge guiding pipe, each discharge guiding pipe is laid with along side slope, and is extended to outside sludge curing place.Collecting pipe is used under collection membrane produce Raw landfill gas;It is over-the-counter for exporting landfill gas along the discharge guiding pipe of side slope arrangement, and avoid the landfill gas quilt in guide french drain Liquid is sealed up for safekeeping, keeps exhaust passage unimpeded.
Preferably, film lower protective layer is equipped between metaling and film;Film lower protective layer is argillic horizon.
Preferably, collecting pipe is high density polyethylene (HDPE) floral tube.
Preferably, discharge guiding pipe is that high density polyethylene (HDPE) is managed in fact.
Further, the diameter of high density polyethylene pipe is dn110-dn300, and material rate is PE80 or PE100, public Pressure is referred to as 0.8 or 1.0Mpa.
Preferably, metaling is wrapped up with geotextiles, and the mass area ratio of geotextiles is not less than 200g/m2, geotextiles It is preferential to select geotechnological strainer;Geotextiles influence the collection of landfill gas for avoiding sundries from blocking collecting pipe.
Preferably, the cross section of every guide french drain is inverted trapezoidal or rectangle;The cross sectional dimensions of guide french drain is according to field The caliber of ground area and collecting pipe determines.
Preferably, a plurality of guide french drain is set to the bottom storehouse of waste burying in cross or groined type;Guide french drain is filling The laying shape and laying density of reservoir area bottom storehouse are determined according to the gas production prediction and site area of sludge after solidification.
Preferably, metaling is graded broken stone, partial size 20-60mm.
Preferably, one end of discharge guiding pipe is connected to collecting pipe, and the other end extends at the outside 1-2m of side slope, and discharge guiding pipe Other end 1m at least above ground level;Part of the film in side slope need to be anchored by anchoring groove, and the other end of discharge guiding pipe The outside of anchoring groove is set.Discharge guiding pipe is promoted at the top of side slope along side slope, and the outer of side slope is arranged in the other end of discharge guiding pipe Side, for preventing discharge guiding pipe to be pierced by from side slope and destruction to impervious materials such as films.
Further, the other end of discharge guiding pipe is equipped with dismountable end cap;End cap is used to that rainwater etc. to be avoided to enter pipeline, Influence guide effect.
Embodiment 1
Such as Fig. 1 to Fig. 3, the utility model provides gas guide system under a kind of film for sludge curing place, dirty It includes waste burying 5 and the side slope 10 set on 5 surrounding of waste burying that mud, which solidifies place, and gas guide system includes a plurality of under the film The bottom storehouse of waste burying 5 is arranged in guide french drain 1 and multiple discharge guiding pipes 4, a plurality of guide french drain 1, and the bottom storehouse of waste burying 5 is flat Whole sludge curing basis 11, a plurality of guide french drain 1 are arranged on sludge curing basis 11;And every guide french drain 1 is all provided with Under film 7, film 7 is high density polyethylene antiseepage film.
It is equipped with collecting pipe 3 in every guide french drain 1 and is filled with metaling 2, the both ends of each collecting pipe 3 are separately connected In a discharge guiding pipe 4, each discharge guiding pipe 4 is laid with along side slope 10, and is extended to outside sludge curing place.
In the present embodiment, collecting pipe 3 is high density polyethylene (HDPE) floral tube, and diameter dn200, material rate PE100 are public Pressure is referred to as 1.0Mpa.
In the present embodiment, discharge guiding pipe 4 is that high density polyethylene (HDPE) is managed in fact, and diameter dn110, material rate PE100 are public Pressure is referred to as 1.0Mpa.
In the present embodiment, the other end of discharge guiding pipe 4 is equipped with dismountable end cap 9.
In the present embodiment, one end of discharge guiding pipe 4 is connected to collecting pipe 3, and the other end extends to the outside 1-2m of side slope 10 Place, and the other end of discharge guiding pipe 4 1m at least above ground level;Part of the film 7 in side slope 10 need to be anchored by anchoring groove 12, And the outside of anchoring groove 12 is arranged in the other end of discharge guiding pipe 4.
In the present embodiment, film lower protective layer 8 is equipped between metaling 2 and film 7;Film lower protective layer 8 is argillic horizon.
In the present embodiment, metaling 2 is wrapped up with geotextiles 6, and the mass area ratio of geotextiles 6 is not less than 200g/ m2, the geotechnological strainer of geotextiles selection.
In the present embodiment, metaling 2 is graded broken stone, partial size 20-60mm.
In the present embodiment, the cross section of every guide french drain 1 is inverted trapezoidal;Cross-sectional top is having a size of 1m, bottom ruler Very little is 0.5m, high 0.5m.
In the present embodiment, a plurality of guide french drain 1 is set to the bottom storehouse of waste burying 5 in groined type.
Each embodiment of the utility model is described above, above description is exemplary, and non-exclusive, and And it is also not necessarily limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for Many modifications and changes are obvious for those skilled in the art.

Claims (10)

1. gas guide system under a kind of film for sludge curing place, the sludge curing place includes waste burying (5) With the side slope (10) for being set to the waste burying (5) surrounding, which is characterized in that gas guide system includes a plurality of leads under the film French drain (1) and multiple discharge guiding pipes (4) are arranged, the bottom storehouse in the waste burying (5) is arranged in a plurality of guide french drain (1), and every Guide french drain (1) described in item is set under film (7), collecting pipe (3) is equipped in every guide french drain (1) and filled with broken Building stones (2), the both ends of each collecting pipe (3) are connected to a discharge guiding pipe (4), and each discharge guiding pipe (4) is along described Side slope (10) is laid with, and is extended to outside the sludge curing place.
2. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that described broken Film lower protective layer (8) are equipped between building stones (2) and the film (7).
3. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that the receipts Collector (3) is high density polyethylene (HDPE) floral tube.
4. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that described to lead Comb (4) is that high density polyethylene (HDPE) is managed in fact.
5. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that described broken Building stones (2) are wrapped up with geotextiles (6), and the mass area ratio of the geotextiles (6) is not less than 200g/m2
6. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that every institute The cross section for stating guide french drain (1) is inverted trapezoidal or rectangle.
7. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that a plurality of institute State the bottom storehouse that guide french drain (1) is set to the waste burying (5) in cross or groined type.
8. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that described broken Building stones (2) are graded broken stone, partial size 20-60mm.
9. gas guide system under the film according to claim 1 for sludge curing place, which is characterized in that described to lead Comb (4) one end is connected to the collecting pipe (3), and the other end extends at the outside 1-2m of the side slope (10), and described is led The other end of comb (4) 1m at least above ground level.
10. gas guide system under the film according to claim 9 for sludge curing place, which is characterized in that described The other end of discharge guiding pipe (4) is equipped with dismountable end cap (9).
CN201821819831.1U 2018-11-06 2018-11-06 Gas guide system under a kind of film for sludge curing place Active CN209161804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821819831.1U CN209161804U (en) 2018-11-06 2018-11-06 Gas guide system under a kind of film for sludge curing place

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821819831.1U CN209161804U (en) 2018-11-06 2018-11-06 Gas guide system under a kind of film for sludge curing place

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112620294A (en) * 2020-12-16 2021-04-09 湖南军信环保股份有限公司 Landfill disposal method for dewatered sludge
CN113914291A (en) * 2021-09-09 2022-01-11 河海大学 Under-membrane exhaust blind ditch and design method thereof
CN114134854A (en) * 2021-12-14 2022-03-04 河海大学 Under-film blind ditch structure and width design method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112620294A (en) * 2020-12-16 2021-04-09 湖南军信环保股份有限公司 Landfill disposal method for dewatered sludge
CN112620294B (en) * 2020-12-16 2022-04-08 湖南军信环保股份有限公司 Landfill disposal method for dewatered sludge
CN113914291A (en) * 2021-09-09 2022-01-11 河海大学 Under-membrane exhaust blind ditch and design method thereof
CN114134854A (en) * 2021-12-14 2022-03-04 河海大学 Under-film blind ditch structure and width design method thereof

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