CN111672864A

CN111672864A - Drainage and air guide pipeline for landfill

Info

Publication number: CN111672864A
Application number: CN202010617552.2A
Authority: CN
Inventors: 罗克; 高峻峰; 郑威; 黄海涛; 杨林
Original assignee: Wuhan Huantou City Waste Operation Management Co ltd
Current assignee: Wuhan Huantou City Waste Operation Management Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-09-18

Abstract

The invention provides a drainage and gas guide pipeline for a landfill, relates to the technical field of refuse landfill, and solves the technical problem that gas generated in a refuse pile is not easy to discharge in the prior art. The device includes air duct, collecting duct and derivation pipeline, wherein, the derivation pipeline is located the lateral surface of rubbish heap body, the air duct with the collecting duct all with the derivation pipeline is linked together just the air duct is located the top of collecting duct, the air duct passes the cover film just the air duct place in rubbish heap body surface with between the cover film, the collecting duct passes the cover film stretches into in the rubbish heap body. The invention is used for discharging gas and penetrating fluid in the garbage pile body, reducing the gas concentration in the garbage pile body and reducing the deflagration risk.

Description

Drainage and air guide pipeline for landfill

Technical Field

The invention relates to the technical field of refuse landfill, in particular to a drainage and air guide pipeline of a landfill.

Background

The development of human society, especially the development of industry and the rapid advance of science and technology in recent centuries, creates civilization and wealth for society, but also brings threat and disaster to the ecological environment of human beings, thereby arousing worldwide attention, the domestic garbage which is one of the major pollution sources is more and more recognized and valued, the treatment of the domestic garbage becomes a big trouble, and most of the domestic garbage is transported to a garbage landfill site for landfill except that a small amount of the domestic garbage is recycled and reused as fertilizer. In order to prevent the landfill body from polluting the environment, the cover film is adopted to seal and cover the garbage site, so that the decomposition of the garbage is accelerated, but the gas generated in the landfill body is not easy to discharge, the gas is accumulated continuously, and dangerous things such as explosion are easy to occur.

Disclosure of Invention

The invention aims to provide a drainage and gas guide pipeline of a landfill to solve the technical problem that gas generated in a garbage pile is not easy to discharge in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a drainage and air guide pipeline for a landfill, which comprises an air guide pipe, a collection pipeline and a leading-out pipeline, wherein the leading-out pipeline is positioned on the outer side surface of a garbage pile body, the air guide pipe and the collection pipeline are both communicated with the leading-out pipeline, the air guide pipe is positioned above the collection pipeline, the air guide pipe penetrates through a cover film and is placed between the surface of the garbage pile body and the cover film, and the collection pipeline penetrates through the cover film and extends into the garbage pile body.

Optionally, the garbage collecting device further comprises a protective sleeve, the protective sleeve is located in the garbage pile, the collecting pipeline extends into the protective sleeve, and a filling layer is arranged between the protective sleeve and the collecting pipeline.

Optionally, the protective sheath is a mesh-like structure.

Optionally, the protective sheath is a steel wire cage.

Optionally, the filling layer is formed by laying a plurality of broken stones.

Optionally, the air duct and the side of the collecting duct are both provided with a plurality of through holes.

Optionally, the gas-guide tube and the cover film are sealed by structural adhesive.

Optionally, the lead-out pipe is arranged obliquely.

Optionally, the guiding-out pipeline comprises a drainage part and an air guide part, the drainage part is communicated with the air guide part, the air guide part is located above the drainage part, the side face of the air guide part is communicated with the air guide pipe, and the side face of the drainage part is communicated with the collecting pipeline.

Optionally, the gas-guide tube and the collecting pipe are both PE floral tubes.

According to the drainage and gas guide pipeline of the landfill site, gas in a garbage pile body flows to the guide-out pipeline through the gas guide pipe, the upper port of the guide-out pipeline is connected with the air pump through the guide pipe, the air pump can enable the gas in the guide-out pipeline to flow out from the upper end of the guide-out pipeline, the gas and penetrating fluid in the garbage pile body can enter the guide-out pipeline through the collecting pipeline, the gas and the penetrating fluid entering the guide-out pipeline can flow in different directions in a separated mode, the gas can flow out from the upper end of the guide-out pipeline, and the penetrating fluid can flow out from the lower end of the guide-out pipeline, so that the technical problem that the gas generated in the garbage pile body is not easy to discharge.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a drainage and gas guide duct of a landfill site provided by an embodiment of the invention;

FIG. 1, airway tube; 2. a collection pipe; 3. leading out the pipeline; 31. a water discharge section; 32. an air guide part; 4. a garbage dump; 5. covering the film; 6. a protective sleeve; 7. a filling layer; 8. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like, as used herein, are used in the orientation or positional relationship indicated in FIG. 1, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

The invention provides a drainage and air guide pipeline of a landfill site, which comprises an air guide pipe 1, a collection pipeline 2 and a derivation pipeline 3, wherein the derivation pipeline 3 is positioned on the outer side surface of a garbage pile body 4, the air guide pipe 1 and the collection pipeline 2 are both communicated with the derivation pipeline 3, the air guide pipe 1 is positioned above the collection pipeline 2, the air guide pipe 1 penetrates through a covering film 5, the air guide pipe 1 is placed between the surface of the garbage pile body 4 and the covering film 5, and the collection pipeline 2 penetrates through the covering film 5 and extends into the garbage pile body 4. According to the water-discharging and air-guiding pipeline for the landfill site, provided by the invention, gas in a garbage pile body 4 flows to a guide-out pipeline 3 through an air-guiding pipe 1, an upper port of the guide-out pipeline 3 is connected with an air pump through a guide pipe, the air pump can enable the gas in the guide-out pipeline 3 to flow out from the upper end of the guide-out pipeline 3, the gas and penetrating fluid in the garbage pile body 4 can enter the guide-out pipeline 3 through a collecting pipeline 2, the gas and the penetrating fluid entering the guide-out pipeline 3 can flow in different directions in a separated mode, the gas can flow out from the upper end of the guide-out pipeline 3, and the penetrating fluid can flow out from the lower end of the guide-out pipeline 3, so that the technical problem that the gas generated in the garbage.

As an optional embodiment, the garbage can further comprises a protective sleeve 6, the protective sleeve 6 is located in the garbage stack 4, the collecting pipeline 2 extends into the protective sleeve 6, a filling layer 7 is arranged between the protective sleeve 6 and the collecting pipeline 2, the filling layer 7 is distributed along the circumferential direction of the collecting pipeline 2, and the protective sleeve 6 and the filling layer 7 are used for avoiding the collecting pipeline 2 from being crushed by garbage.

As an alternative embodiment, the protective casing 6 may be of a mesh-like structure, in order to facilitate the entry of the gases and permeate inside the waste heap 4 into the collection pipe 2, but to block the entry of waste into the collection pipe 2.

As an alternative embodiment, the protective sheath 6 may be a steel wire cage.

As an alternative embodiment, the filling layer 7 may be formed by laying a plurality of broken stones, and there is a gap between the broken stones, so that the gas and the penetrating fluid in the garbage heap 4 can be conveniently introduced into the collecting pipe 2, and the garbage heap can be prevented from being introduced into the collecting pipe 2, and can also support and fix the collecting pipe 2.

As an alternative embodiment, the gas guide tube 1 and the collecting tube 2 are provided with a plurality of through holes 8 on the side surfaces thereof, so as to facilitate the gas and the penetrating fluid to enter the gas guide tube 1 and the collecting tube 2.

As an alternative embodiment, the gas-guide tube 1 and the cover film 5 may be sealed by structural adhesive, and the collecting tube 2 and the cover film 5 may also be sealed by structural adhesive, so as to ensure that the gas and the penetrating fluid in the garbage stack 4 do not flow to the outside from between the gas-guide tube 1 and the cover film 5 or between the collecting tube 2 and the cover film 5, thereby avoiding environmental pollution.

As an alternative embodiment, the outlet pipe 3 is inclined so that the gas and the permeate flow out to the two ends of the outlet pipe 3, respectively, the permeate flows out to the lower end of the outlet pipe 3 under the action of gravity, and the gas flows out to the upper end of the outlet pipe 3 under the action of the suction pump. The collecting pipeline 2 is also arranged obliquely, the inclined angle is smaller, and the penetrating fluid in the collecting pipeline 2 can flow to the leading-out pipeline 3 conveniently.

As an alternative embodiment, derivation duct 3 includes a water drain 31 and an air guide 32, water drain 31 and air guide 32 are in communication and air guide 32 is located above water drain 31, the side of air guide 32 is in communication with air duct 1, and the side of water drain 31 is in communication with collection duct 2.

As an alternative embodiment, the airway tube 1 and the collecting tube 2 may both be PE floral tubes, and the tube diameter of both the airway tube 1 and the collecting tube 2 may preferably be 160 mm.

In the present invention, a single landfill body 4 may be provided with a plurality of landfill drainage gas conduits to allow permeate and gas at different locations within the landfill body 4 to be discharged relatively quickly.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A water-draining air-guiding pipeline of a landfill site is characterized by comprising an air-guiding pipe (1), a collecting pipeline (2) and a leading-out pipeline (3), wherein,

the utility model discloses a garbage pile, including deriving pipeline (3), air duct (1), collecting duct (2), air duct (1) and air duct (2), deriving pipeline (3) and being located the lateral surface of garbage pile body (4), air duct (1) with collecting duct (2) all with it is linked together just to derive pipeline (3) air duct (1) is located the top of collecting duct (2), air duct (1) pass cover film (5) and air duct (1) place in garbage pile body (4) surface with cover between film (5), collecting duct (2) pass cover film (5) stretch into in the garbage pile body (4).

2. The landfill drainage gas guide duct of claim 1, further comprising a protective sheath (6), wherein the protective sheath (6) is located inside the garbage heap body (4), the collection duct (2) extends into the protective sheath (6), and a filling layer (7) is arranged between the protective sheath (6) and the collection duct (2).

3. The landfill drainage gas duct of claim 2, wherein the protective sheath (6) is of a grid-like structure.

4. The landfill drainage gas duct of claim 2, wherein the protective sheath (6) is a wire cage.

5. The landfill drainage gas guide pipe of claim 2, wherein the filling layer (7) is formed by paving a plurality of broken stones.

6. The landfill drainage gas guide pipe according to claim 1, wherein the gas guide pipe (1) and the collection pipe (2) are provided with a plurality of through holes (8) on the side surfaces thereof, and the number of the through holes (8) is plural.

7. The landfill site drainage gas guide duct according to claim 1, wherein the gas guide duct (1) and the cover film (5) are sealed by structural adhesive.

8. The landfill drainage gas duct of claim 1, wherein the derivation duct (3) is obliquely disposed.

9. The landfill drainage gas guide duct according to claim 1, wherein the lead-out duct (3) includes a water discharge portion (31) and a gas guide portion (32), the water discharge portion (31) and the gas guide portion (32) are communicated with each other and the gas guide portion (32) is located above the water discharge portion (31), a side surface of the gas guide portion (32) is communicated with the gas guide duct (1), and a side surface of the water discharge portion (31) is communicated with the collection duct (2).

10. The landfill site drainage gas duct of claim 1, wherein the gas duct (1) and the collection duct (2) are both PE floral tubes.