CN108421803A - A kind of surface gas collection device - Google Patents

A kind of surface gas collection device Download PDF

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Publication number
CN108421803A
CN108421803A CN201810462717.6A CN201810462717A CN108421803A CN 108421803 A CN108421803 A CN 108421803A CN 201810462717 A CN201810462717 A CN 201810462717A CN 108421803 A CN108421803 A CN 108421803A
Authority
CN
China
Prior art keywords
film
gas collection
gas
under
tube
Prior art date
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.)
Pending
Application number
CN201810462717.6A
Other languages
Chinese (zh)
Inventor
佘祺锐
张晨光
郭婧婷
朱文轩
温丁
踪创新
刘昕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENVIROSYSTEMS ENGINEERING AND TECHNOLOGY Co Ltd
Original Assignee
ENVIROSYSTEMS ENGINEERING AND TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ENVIROSYSTEMS ENGINEERING AND TECHNOLOGY Co Ltd filed Critical ENVIROSYSTEMS ENGINEERING AND TECHNOLOGY Co Ltd
Priority to CN201810462717.6A priority Critical patent/CN108421803A/en
Publication of CN108421803A publication Critical patent/CN108421803A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B1/00Dumping solid waste
    • B09B1/004Covering of dumping sites

Abstract

The present invention relates to a kind of surface gas collection devices, the surface gas collection device includes gas collection floral tube under more films, wear membrane tube, gas discharge guiding pipe and film, gas collection floral tube is in tubular construction under the film, multiple through-holes are offered under the film on the peripheral surface of gas collection floral tube, gas collection floral tube is radial under the film is arranged in the periphery for wearing membrane tube, one end of gas collection floral tube is connect with the lower end for wearing membrane tube under each film, the upper end for wearing membrane tube is connect with one end of the gas discharge guiding pipe, the film offers installing port, the thin-film covering is set to described wear in membrane tube.The surface gas collection device of the present invention can effectively collect landfill gas, can be recycled to whole pipelines after use, and will not be impacted to other operations.

Description

A kind of surface gas collection device
Technical field
The present invention relates to technical field of environment protection equipment, and in particular to a kind of surface gas collection device.
Background technology
With the continuous improvement of environmental requirement, the problem of environmental pollution and safety problem of household refuse landfill sites are by more next More concerns.In this background, totally-enclosed technique and interim covering process are being widely used in major landfill yard, with And being collection and the guide problem of landfill gas.
Most of landfill yards are based on vertical gas collection, but with the continuous increase of landfill depth, vertical gas collection Device is extremely limited to the collecting effect of bottom gas, and can extract a large amount of Leachate sites out during pumping, influence landfill gas Processing utilizes.Therefore, in landfill-gas collecting mode, present stronger level-off gas collection.In general, horizontal gas is collected Often development synchronous with film overwrite job or interim closing operation.
Traditional landfill gas surface collection mode is mostly to be collected under film, after gas is collected by gas collecting tube under film, is passed through anti- Film is oozed to be delivered to processing by the Leachate site supervisor on film, utilize device.There are some problems in actual use in this device, Including:1, pipeline recovery utilization rate is low, destroys serious.Due to being all film underground pipelines, it is difficult to safeguard, be easy to cause because of other constructions Damage.2, landfill yard surface irregularity influences operation.Pipeline spacing is smaller, and all pipelines are arranged under film, and jacks up Antiseepage film, when other operations are carried out in the region, enforcement difficulty increases.3, gas reclaiming rate is low.
Invention content
The purpose of the present invention is to provide a kind of surface gas collection devices, to solve existing landfill-gas collecting device There is a problem of that pipeline recovery utilization rate is low, influence other operations and gas reclaiming rate is low.
To achieve the above object, the present invention provides a kind of surface gas collection device, the surface gas collection device packet It includes gas collection floral tube under more films, wear membrane tube, gas discharge guiding pipe and film, gas collection floral tube is tied in a tubular form under the film Structure offers multiple through-holes under the film on the peripheral surface of gas collection floral tube, and gas collection floral tube is radial under the film It is arranged in the periphery for wearing membrane tube, each one end of gas collection floral tube is connect with the lower end for wearing membrane tube under the film, The upper end for wearing membrane tube is connect with one end of the gas discharge guiding pipe, and the film offers installing port, and the film is arranged It is worn in membrane tube in described.
Preferably, the film is PE films.
Preferably, the outer diameter of gas collection floral tube is DN90mm under the film.
Preferably, the length of gas collection floral tube is 0.5-3m under the film.
Preferably, the film is welded to connect with the peripheral surface for wearing membrane tube.
Preferably, the angle under adjacent two films between gas collection floral tube is identical.
Preferably, gas collection floral tube is PVC floral tubes or PE floral tubes under the film.
Preferably, the internal diameter of the gas discharge guiding pipe is more than the internal diameter of gas collection floral tube under the film.
Preferably, the lower end for wearing membrane tube is spent by the multiple-pass joint with multiple interfaces with gas collection under the film One end of pipe connects.
The invention has the advantages that:The surface gas collection device of the present invention can effectively collect landfill gas, make Whole pipelines can be recycled, and other operations will not be impacted after.
Description of the drawings
Fig. 1 is the overlooking structure diagram of surface gas collection device of the present invention.
Fig. 2 is the side structure schematic view of surface gas collection device of the present invention.
Reference numeral:Gas collection floral tube under 1- films;2- wears membrane tube;3- gas discharge guiding pipes;4- films;5- guides are blind Ditch;6- collection gas wells;7- gas treatment equipments.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
As shown in Fig. 2, the surface gas collection device include gas collection floral tube 1 under more films, wear membrane tube 2, gas is led Comb 3 and film 4, gas collection floral tube 1 offers on the peripheral surface of gas collection floral tube 1 more in tubular construction, under film under film A through-hole, landfill gas can be entered by through-hole under film inside gas collection floral tube 1, since the quantity of through-hole is more, even if wherein A through-hole be blocked, landfill gas can also be entered by other through-holes beside the through-hole.Gas collection floral tube 1 is in and puts under film It penetrates shape and is arranged in the periphery for wearing membrane tube 2, the angle under adjacent two films between gas collection floral tube 1 is identical, gas collection under film One end of floral tube 1 is connect by multiple-pass joint with the lower end for wearing membrane tube 2.Multiple-pass joint has multiple interfaces, and multiple-pass joint is at this Be five-way joint in embodiment, one of interface connect with the lower end for wearing membrane tube 2, remaining four interface respectively under four films One end of gas collection floral tube 1 connects, but it's not limited to that for the quantity of multiple-pass joint interface, is received with specific reference to gas under film The quantity for collecting floral tube 1 determines, carries out the connection between pipeline using multiple-pass joint, can facilitate and be mounted and dismounted to it.Film Wear radially extending for membrane tube 2 in the other end edge of lower gas collection floral tube 1.The quantity of gas collection floral tube 1 is in the present embodiment under film In be four, but it's not limited to that.The outer diameter of gas collection floral tube 1 is DN90mm under film, gas collection floral tube 1 under film Length is 0.5-3m, preference 2m, can be by it from leading after use since the length of gas collection floral tube 1 under film is shorter It is taken out in row's french drain 5, it is ensured that gas collection floral tube 1 can be recycled completely under film.Gas collection floral tube 1 is PVC floral tubes or PE under film Floral tube, preference are PE floral tubes, and PE floral tubes have the advantages that intensity height, high temperature resistant and erosion-resisting.By by gas collection under film Floral tube 1 makes a netted system, can strengthen local collecting effect, improves the rate of recovery of gas.
It wears membrane tube 2 to be vertically arranged, the upper end for wearing membrane tube 2 is connect with one end of gas discharge guiding pipe 3, wears membrane tube 2 by gas under film Body is collected the landfill gas in floral tube 1 and is imported in gas discharge guiding pipe 3.The other end of gas discharge guiding pipe 3 connects with gas treatment equipment 7 It connecing, the internal diameter of gas discharge guiding pipe 3 is more than the internal diameter of gas collection floral tube 1 under film, when reducing gas by gas discharge guiding pipe 3 Resistance, the landfill gas being collected into are led by gas discharge guiding pipe 3 and are delivered to gas treatment equipment 7.
Film 4 offers installing port, and film 4, which is sheathed on, to be worn in membrane tube 2, and film 4 and the peripheral surface welding for wearing membrane tube 2 connect It connects, but it's not limited to that for the connection type of the two, and pressure ring or gluing connection also can be used.Film 4 is PE films, and film 4 covers It is placed on landfill yard surface, prevents landfill gas from overflowing, forces landfill gas that can only enter by through-hole under film in gas collection floral tube 1 Portion.
As shown in Figure 1, in use, an aqueous vapor guide is arranged between surface gas collection device and each collection gas well 6 French drain 5,5 cross dimensions of guide french drain are 1m × 1m, and the rubble that inside filling grain size is diameter 30mm-60mm will be under each film Gas collection floral tube 1 fills in corresponding french drain, and gas collection floral tube 1 can strengthen local collecting effect under film.Due to Gas collection floral tube 1 is in guide french drain 5 under film, does not interfere with being normally carried out for other subsequent jobs.Film 4 is covered again In the surface of landfill yard, film 4 is welded to connect with the peripheral surface for wearing membrane tube 2, at this point, film 4 is as the same gas collection cap, It forces landfill gas that can only enter by through-hole under film inside gas collection floral tube 1, then passes sequentially through and wear membrane tube 2 and gas discharge guiding pipe 3, it is eventually delivered to gas treatment equipment 7.
Although being above described in detail to the present invention with generality explanation and specific embodiment, at this On the basis of invention, it can be modified or is improved, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.

Claims (9)

1. a kind of surface gas collection device, the surface gas collection device includes gas collection floral tube under more films, wears film Pipe, gas discharge guiding pipe and film, which is characterized in that gas collection floral tube in tubular construction, receive under the film by gas under the film Collect and offer multiple through-holes on the peripheral surface of floral tube, radial be arranged in of gas collection floral tube described wears membrane tube under the film Periphery, one end of gas collection floral tube is connect with the lower end for wearing membrane tube under each film, the upper end for wearing membrane tube and One end of the gas discharge guiding pipe connects, and the film offers installing port, and the thin-film covering is set to described wear in membrane tube.
2. surface gas collection device according to claim 1, which is characterized in that the film is PE films.
3. surface gas collection device according to claim 1, which is characterized in that gas collection floral tube is outer under the film Diameter is DN90mm.
4. surface gas collection device according to claim 3, which is characterized in that the length of gas collection floral tube under the film Degree is 0.5-3m.
5. surface gas collection device according to claim 4, which is characterized in that the film wears the outer of membrane tube with described Circumferential surface is welded to connect.
6. surface gas collection device according to claim 3 or 4, which is characterized in that gas under adjacent two films The angle collected between floral tube is identical.
7. surface gas collection device according to claim 3 or 4, which is characterized in that gas collection floral tube under the film For PVC floral tubes or PE floral tubes.
8. surface gas collection device according to claim 3 or 4, which is characterized in that the internal diameter of the gas discharge guiding pipe More than the internal diameter of gas collection floral tube under the film.
9. surface gas collection device according to claim 4, which is characterized in that the lower end for wearing membrane tube is by having The multiple-pass joint of multiple interfaces is connect with one end of gas collection floral tube under the film.
CN201810462717.6A 2018-05-15 2018-05-15 A kind of surface gas collection device Pending CN108421803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810462717.6A CN108421803A (en) 2018-05-15 2018-05-15 A kind of surface gas collection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810462717.6A CN108421803A (en) 2018-05-15 2018-05-15 A kind of surface gas collection device

Publications (1)

Publication Number Publication Date
CN108421803A true CN108421803A (en) 2018-08-21

Family

ID=63163272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810462717.6A Pending CN108421803A (en) 2018-05-15 2018-05-15 A kind of surface gas collection device

Country Status (1)

Country Link
CN (1) CN108421803A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090499A (en) * 2019-04-01 2019-08-06 重庆康达新能源有限公司 Landfill gas acquisition device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090499A (en) * 2019-04-01 2019-08-06 重庆康达新能源有限公司 Landfill gas acquisition device

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