CN208466817U - A kind of surface gas collection device - Google Patents

A kind of surface gas collection device Download PDF

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Publication number
CN208466817U
CN208466817U CN201820721017.XU CN201820721017U CN208466817U CN 208466817 U CN208466817 U CN 208466817U CN 201820721017 U CN201820721017 U CN 201820721017U CN 208466817 U CN208466817 U CN 208466817U
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China
Prior art keywords
film
gas collection
gas
under
tube
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CN201820721017.XU
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Chinese (zh)
Inventor
佘祺锐
张晨光
郭婧婷
朱文轩
温丁
踪创新
刘昕
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ENVIROSYSTEMS ENGINEERING AND TECHNOLOGY Co Ltd
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ENVIROSYSTEMS ENGINEERING AND TECHNOLOGY Co Ltd
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Abstract

The utility model 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 outer 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 utility model can effectively collect landfill gas, can be recycled to whole pipelines after use, and will not impact to other operations.

Description

A kind of surface gas collection device
Technical field
The utility model relates to technical field of environment protection equipment, and in particular to a kind of surface gas collection device.
Background technique
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 come be landfill gas collection and guide problem.
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 collect under film, after gas is collected by gas collecting tube under film, is passed through anti- Infiltration film is delivered to processing by the Leachate site supervisor on film, utilizes device.There are some problems in actual use in this device, Include: that 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.
Utility model content
The purpose of this utility model is to provide a kind of surface gas collection devices, to solve existing landfill-gas collecting Device has that pipeline recovery utilization rate is low, influence other operations and gas reclaiming rate is low.
To achieve the above object, the utility model provides a kind of surface gas collection device, and the surface gas collects dress It sets including gas collection floral tube under more films, wear membrane tube, gas discharge guiding pipe and film, gas collection floral tube is in a tubular form under the film Structure offers multiple through-holes on the outer peripheral surface of gas collection floral tube under the film, and gas collection floral tube is in radiation under the film Shape is arranged in the periphery for wearing membrane tube, and one end of gas collection floral tube and the lower end for wearing membrane tube connect under each film It connects, the upper end for wearing membrane tube is connect with one end of the gas discharge guiding pipe, and the film offers installing port, the thin-film covering It is worn in membrane tube set on described.
Preferably, the film is PE film.
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 and the outer peripheral surface for wearing membrane tube are welded to connect.
Preferably, the angle under adjacent two films between gas collection floral tube is identical.
Preferably, gas collection floral tube is PVC floral tube or PE floral tube under the film.
Preferably, the internal diameter of the gas discharge guiding pipe is greater than the internal diameter of gas collection floral tube under the film.
Preferably, the lower end for wearing membrane tube passes through gas collection flower under multiple-pass joint and the film with multiple interfaces One end of pipe connects.
It is effective that the utility model has the advantages that the surface gas collection device of the utility model can carry out landfill gas It collects, whole pipelines can be recycled after use, and other operations will not be impacted.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the utility model surface gas collection device.
Fig. 2 is the side structure schematic view of the utility model surface gas collection device.
Appended drawing reference: gas collection floral tube under 1- film;2- wears membrane tube;3- gas discharge guiding pipe;4- film;5- guide french drain; 6- collection gas well;7- gas treatment equipment.
Specific embodiment
The following examples illustrate the utility model, but is 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 outer 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 It is five-way joint in embodiment, one of interface is connect with the lower end for wearing membrane tube 2, remaining four interface is respectively and 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, receives 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 mount and dismount 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 tube or PE under film Floral tube, preference are PE floral tube, and PE floral tube has the advantages that intensity height, high temperature resistant and erosion-resisting.By by gas collection under film Floral tube 1 is made into a mesh 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 for 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 and gas treatment equipment 7 of gas discharge guiding pipe 3 connect It connecing, the internal diameter of gas discharge guiding pipe 3 is greater 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 connects with the outer peripheral surface welding for wearing membrane tube 2 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 film, 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 partial 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, will not influence 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 outer 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 under film inside gas collection floral tube 1 by through-hole, 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 with generality explanation and specific embodiment to the utility model, On the basis of the utility model, it can be modified or is improved, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

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 outer 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 with 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 film.
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 tube or PE floral tube.
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 Greater 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.
CN201820721017.XU 2018-05-15 2018-05-15 A kind of surface gas collection device Active CN208466817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820721017.XU CN208466817U (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
CN201820721017.XU CN208466817U (en) 2018-05-15 2018-05-15 A kind of surface gas collection device

Publications (1)

Publication Number Publication Date
CN208466817U true CN208466817U (en) 2019-02-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820721017.XU Active CN208466817U (en) 2018-05-15 2018-05-15 A kind of surface gas collection device

Country Status (1)

Country Link
CN (1) CN208466817U (en)

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