CN211990156U

CN211990156U - Landfill gas collecting pipe with good sealing performance

Info

Publication number: CN211990156U
Application number: CN201922214875.2U
Authority: CN
Inventors: 韩鹏; 罗冰; 谢逻辑; 祁昌伟; 罗文姬; 刘青松; 葛芳
Original assignee: Beijing Zhonglan Environment Engineering Co ltd; Shenzhen Zhonglan Huanneng Co ltd
Current assignee: Beijing Zhonglan Environment Engineering Co ltd; Shenzhen Zhonglan Huanneng Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-11-24
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a better landfill gas collecting pipe of leakproofness, including the discharge, the discharge inner wall is provided with the piston, piston top fixedly connected with telescopic link, and discharge one end and cylinder output fixed connection are kept away from to the telescopic link, and the discharge bottom is provided with the outlet, and the discharge is close to drain department and is provided with No. two check valves, and discharge one side is close to No. two gas-supply pipes of top position fixedly connected with, and No. two gas-supply pipes are close to the discharge and are provided with No. three check valves. The utility model discloses the beneficial effect who reaches is: the utility model discloses an use the effect that the inner tube outer tube combines, increased the compressive resistance of pipeline, rubbish after the landfill fermentation leads to the inside collapse of landfill, often can press disconnected collection trachea, causes the waste of material, and the discharge uses cast iron material moreover, increased corrosion resistance, kept the gas tightness of pipeline, utilizes check valve and piston effect, has ensured the airtight in the pipeline, still can carry out gas-liquid separation, the suggestion is used widely.

Description

Landfill gas collecting pipe with good sealing performance

Technical Field

The utility model relates to a collecting pipe, in particular to better landfill gas of leakproofness receives pipe belongs to environmental protection treatment facility technical field.

Background

Along with the development of modern society, domestic garbage is generated more and more, most of the domestic garbage contains organic matters, the garbage needs to be treated such as sanitary landfill, composting and incineration and the like in order to prevent the garbage from polluting the environment, but a landfill site generates landfill gas under certain conditions, and the gas has the properties of inflammability and explosiveness and also contains abundant energy. For the safety of guaranteeing the landfill and the recovery energy as far as, changing waste into valuables, therefore it is necessary to collect the landfill gas, handle and utilize, but the separation of liquid and gas can't be carried out to current pipeline, in order to guarantee the safety of ann's construction, the utility model relates to a better landfill gas collecting pipe of leakproofness.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a landfill gas collecting pipe with better sealing property, which comprises a gas collecting pipe, wherein a piston is arranged on the inner wall of the gas collecting pipe, the top end of the piston is fixedly connected with a telescopic rod, one end of the telescopic rod, which is far away from the gas collecting pipe, is fixedly connected with the output end of a cylinder, the bottom end of the gas collecting pipe is provided with a water outlet, a second one-way valve is arranged on the gas collecting pipe, which is close to the water outlet, one side of the gas collecting pipe is fixedly connected with a second gas conveying pipe, the second gas conveying pipe is provided with a third one-way valve close to the gas collecting pipe, two first gas conveying pipes are symmetrically and fixedly connected with two first gas conveying pipes, one side of the first gas conveying pipes, which is close to the gas collecting pipe, one end of the first gas conveying pipes, which is far away from the gas, the gas collecting pipe is characterized in that a plurality of air holes are formed in the surface of the gas collecting pipe, a filtering layer is arranged on the inner wall of the gas collecting pipe, a gas collecting pipe inner pipe is arranged on one side, away from the inner wall of the gas collecting pipe, of the filtering layer, and a plurality of small holes are formed in the surface of the gas collecting pipe inner pipe.

As the utility model discloses an optimized technical scheme, gas collecting pipe is made for cast iron material, the gas collecting pipe inner tube is made for the better stainless steel material of leakproofness, the filter layer is made for gas permeability materials such as gauze.

As an optimized technical scheme of the utility model, two respectively set up in the gas collecting pipe two horizontal pipe connectors are symmetrical each other.

As a preferred technical scheme of the utility model, symmetrical two the equal fixedly connected with of level pipe connector has horizontal gas collecting pipe.

As a preferred technical scheme of the utility model, two are vertical gas collecting pipe inner tube one end and a gas-supply pipe fixed connection, two are horizontal gas collecting pipe inner tube both ends all link to each other with two vertical gas collecting pipe inner tubes.

The utility model discloses the beneficial effect who reaches is: this practicality uses the effect that the inner tube outer tube combines, has increased the compressive resistance of pipeline, and rubbish after the landfill fermentation leads to the inside collapse of landfill, often can press disconnected collection trachea, causes the waste of material, and the discharge uses the cast iron material in addition, the increased resistance to corrosion, has kept the gas tightness of pipeline, utilizes check valve and piston effect, has ensured the airtight in the pipeline, still can carry out gas-liquid separation, proposes to use widely.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a gas collection tube configuration;

figure 3 is a cross-sectional view of a gas collection tube configuration.

In the figure: 1. a gas collecting pipe; 2. a first gas delivery pipe; 3. a horizontal pipe connector; 4. an outer tube of the gas collection tube; 5. air holes; 6. an inner tube of a gas collection tube; 7. a filter layer; 8. a first check valve; 9. a water outlet; 10. a small hole; 11. a second one-way valve; 12. a piston; 13. a telescopic rod; 14. a cylinder; 15. a third one-way valve; 16. and a second gas conveying pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in figures 1-3, the utility model relates to a landfill gas collecting pipe with better sealing performance, which comprises a gas collecting pipe 1, wherein the inner wall of the gas collecting pipe 1 is provided with a piston 12, the top end of the piston 12 is fixedly connected with a telescopic rod 13, the end of the telescopic rod 13 far away from the gas collecting pipe 1 is fixedly connected with the output end of a cylinder 14, the bottom end of the gas collecting pipe 1 is provided with a water outlet 9, the gas collecting pipe 1 is provided with a second one-way valve 11 near the water outlet 9, one side of the gas collecting pipe 1 near the top end is fixedly connected with a second gas pipe 16, the second gas pipe 16 is provided with a third one-way valve 15 near the gas collecting pipe 1, two sides of the gas collecting pipe 1 near the second one-way valve 11 are symmetrically and fixedly connected with two first gas pipes 2, one side of the two first gas pipes 2 near the gas collecting pipe 1 is provided with a first one-way valve 8, one end of, the surface of the gas collecting pipe 4 is provided with a plurality of gas holes 5, the inner wall of the gas collecting pipe 4 is provided with a filter layer 7, one side of the filter layer 7, which is far away from the inner wall of the gas collecting pipe 4, is provided with a gas collecting pipe inner pipe 6, and the surface of the gas collecting pipe inner pipe 6 is provided with a plurality of small holes 10.

Gas collecting pipe 4 is made for the cast iron material, gas collecting pipe inner tube 6 is made for the better stainless steel material of leakproofness, anticorrosion and resistance to compression, filter layer 7 is made for gas permeability materials such as gauze, prevent that soil from getting into intraductal plug up gas pocket 5, and aperture 10, respectively two horizontal pipe connectors 3 mutual symmetries that set up in two gas collecting pipe 4, it is inseparable to make to connect between the gas collecting pipe inner tube 6, keep the gas tightness, symmetrical two horizontal pipe connectors 3 equal fixedly connected with horizontal

gas collecting pipe

4, 6 one end in two vertical gas collecting pipe inner tubes and a gas-supply pipe 2 fixed connection, 6 both ends in two horizontal gas collecting pipe inner tubes all link to each other with two vertical gas collecting pipe inner tubes 6, increase the gas collecting area, collect the gas that the refuse space produced more quickly.

Specifically, when the gas collecting pipe 4 is used, the gas collecting pipe 4 is buried in a refuse landfill, gas and liquid generated by refuse fermentation enter the gas collecting pipe 4 through the gas hole 5, a part of impurities are filtered through the filter layer 7, the blocking of a hole opening is prevented, the gas enters the gas collecting pipe 1 through the one-way valve 8, the cylinder 14 is opened, the telescopic rod 13 pulls the piston 12 to ascend, so that the gas and the liquid are rapidly gathered in the gas collecting pipe 1, the gas is discharged and collected through the two-way gas pipe 16 after reaching the position of the two-way gas pipe 16, the gas is acted by the two-way valve 11 and the three-way valve 15 to ensure the gas tightness in the gas collecting pipe 1, when the cylinder 14 pushes the piston 12 to descend, the liquid is discharged through the water discharge port 9 under the action of the one-way valve 8 and the three-way valve 15, and the gas and liquid separation and.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The landfill gas collecting pipe with good sealing performance comprises a gas collecting pipe (1) and is characterized in that a piston (12) is arranged on the inner wall of the gas collecting pipe (1), a telescopic rod (13) is fixedly connected to the top end of the piston (12), one end, far away from the gas collecting pipe (1), of the telescopic rod (13) is fixedly connected with the output end of a cylinder (14), a water outlet (9) is formed in the bottom end of the gas collecting pipe (1), a second check valve (11) is arranged at a position, close to the water outlet (9), of the gas collecting pipe (1), one side, close to the top end, of the gas collecting pipe (1) is fixedly connected with a second gas conveying pipe (16), a third check valve (15) is arranged at a position, close to the gas collecting pipe (1), of the second gas conveying pipe (1), two first check valves (2) are symmetrically and fixedly connected with two sides, close to the second check valves (11), of the first gas conveying pipes (2), one side, close to the gas, two gas collecting pipe (1) one end is kept away from in gas-supply pipe (2) and all is provided with gas collecting pipe (4), two gas collecting pipe (4) are provided with four horizontal pipe connector (3), gas collecting pipe (4) surface is provided with a plurality of gas pockets (5), gas collecting pipe (4) inner wall is provided with filter layer (7), gas collecting pipe (4) inner wall one side is kept away from in filter layer (7) is provided with gas collecting pipe inner tube (6), gas collecting pipe inner tube (6) surface is provided with a plurality of apertures (10).

2. The landfill gas collecting pipe with the better sealing property as claimed in claim 1, wherein the gas collecting pipe (4) is made of cast iron, the gas collecting pipe inner pipe (6) is made of stainless steel, and the filter layer (7) is made of gauze.

3. A sealable landfill gas collecting pipe according to claim 1, wherein the two horizontal pipe connecting ports (3) provided in each of the two gas collecting pipes (4) are symmetrical to each other.

4. A sealable landfill gas header according to claim 1, wherein the two symmetrical horizontal pipe connecting ports (3) are fixedly connected with a transverse gas collecting pipe (4).

5. The landfill gas collecting pipe with better sealing performance as claimed in claim 1, wherein one end of each of two vertical gas collecting pipe inner pipes (6) is fixedly connected with a first gas conveying pipe (2), and two ends of each of two transverse gas collecting pipe inner pipes (6) are connected with the two vertical gas collecting pipe inner pipes (6).