CN212419029U

CN212419029U - Landfill gas collection device

Info

Publication number: CN212419029U
Application number: CN201922227085.8U
Authority: CN
Inventors: 木子佳靓; 蒋赛红; 韩鹏; 李平; 黄斌; 祁昌伟; 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: 2021-01-29
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a landfill gas collection device, including the landfill pond, the top in landfill pond is connected with landfill gas conveyer pipe, and the inner wall top in landfill pond is connected with the gooseneck, and gooseneck and landfill gas conveyer pipe intercommunication, the bottom of gooseneck are connected with the exhaust tube No. one, and the bottom of an exhaust tube is connected with the exhaust tube No. two, the utility model discloses the beneficial effect who reaches is: this landfill gas recovery unit has the gaseous effect of collecting of efficient, through setting up the gooseneck, make the exhaust tube in the landfill pond can height-adjusting, reach the gas that the landfill rubbish of reply the different degree of depth produced, be equipped with a plurality of induction ports on setting up two exhaust tubes and exhaust tube in the bottom of gooseneck, be convenient for collect the landfill gas of different positions, through set up the non-return pipe between landfill gas conveyer pipe and landfill gas collection case, play the landfill gas reflux that prevents the collection of landfill gas collection incasement.

Description

Landfill gas collection device

Technical Field

The utility model relates to a collection device, in particular to landfill gas collection device belongs to gas collecting equipment technical field.

Background

The landfill gas is flammable and explosive when too much, so that the danger coefficient of the landfill is increased, the landfill gas needs to be collected for treatment, most of the collection treatment of the landfill gas in the prior art only utilizes an air pump to pump out the gas, the landfill gas is generated by degrading a large amount of garbage, the density of the landfill gas is different, the pipeline is fixed when the gas is collected, the height of a gas outlet is difficult to change, a small amount of gas backflow can happen when the exhaust pump is closed after the landfill gas enters a landfill gas collection box, the recovery of the landfill gas is incomplete, and the recovery efficiency of the landfill gas is improved by designing a landfill gas collection device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a landfill gas collection device.

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

the utility model relates to a landfill gas collection device, including the landfill pond, the top in landfill pond is connected with landfill gas conveyer pipe, the inner wall top in landfill pond is connected with the gooseneck, gooseneck and landfill gas conveyer pipe intercommunication, the bottom of gooseneck is connected with the exhaust tube No. one, the bottom of exhaust tube is connected with No. two exhaust tubes, the middle part of No. two exhaust tubes and the bottom fixed connection of an exhaust tube and No. two exhaust tube intercommunication, the pipe shaft of an exhaust tube and No. two exhaust tubes all is equipped with a plurality of induction ports, the one end that landfill gas conveyer pipe kept away from the landfill pond is connected with the aspiration pump, the inlet end and the landfill gas conveyer pipe intercommunication of aspiration pump.

As a preferred technical scheme of the utility model, the end of giving vent to anger of aspiration pump is connected with the non return pipe, the non return pipe communicates with the end of giving vent to anger of aspiration pump.

As a preferred technical scheme of the utility model, the bottom of non return pipe is connected with landfill gas collection box, non return pipe and landfill gas collection box intercommunication.

As a preferred technical scheme of the utility model, fixedly connected with bracing piece between the inner wall of the middle part both sides of check pipe, the top fixedly connected with reset spring of bracing piece, reset spring's top fixedly connected with closing plate.

As an optimal technical scheme of the utility model, the top of closing plate is equipped with the sealing ring, the outer wall of sealing ring and the inner wall fixed connection of non return pipe, the internal diameter of sealing ring is less than the diameter of closing plate.

The utility model discloses the beneficial effect who reaches is: this landfill gas recovery unit has the gaseous effect of collecting of efficient, through setting up the gooseneck, make the exhaust tube in the landfill pond can height-adjusting, reach the gas that the landfill rubbish of reply the different degree of depth produced, be equipped with a plurality of induction ports on setting up two exhaust tubes and exhaust tube in the bottom of gooseneck, be convenient for collect the landfill gas of different positions, through set up the non-return pipe between landfill gas conveyer pipe and landfill gas collection case, play the landfill gas reflux that prevents the collection of landfill gas collection incasement.

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 sectional view of the check valve.

In the figure: 1. a refuse landfill pool; 2. a landfill gas duct; 3. a gooseneck; 4. a first air exhaust pipe; 5. a second air exhaust pipe; 6. an air pump; 7. a non-return pipe; 8. a landfill gas collection tank; 9. a support bar; 10. a return spring; 11. a sealing plate; 12. A seal ring; 13. an air suction opening.

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.

Example 1

As shown in fig. 1-2, a landfill gas collecting device includes a landfill pond 1, the top of the landfill pond 1 is connected with a landfill gas conveying pipe 2, the top of the inner wall of the landfill pond 1 is connected with a gooseneck 3, the gooseneck 3 is communicated with the landfill gas conveying pipe 2, the bottom of the gooseneck 3 is connected with a first air pumping pipe 4, the bottom of the first air pumping pipe 4 is connected with a second air pumping pipe 5, the middle of the second air pumping pipe 5 is fixedly connected with the bottom of the first air pumping pipe 4, the first air pumping pipe 4 is communicated with the second air pumping pipe 5, the pipe bodies of the first air pumping pipe 4 and the second air pumping pipe 5 are respectively provided with a plurality of air suction ports 13, one end of the landfill gas conveying pipe 2, which is far away from the landfill pond 1, is connected with an air pump 6, and the air inlet end of the air pump 6 is communicated with the landfill gas conveying pipe 2.

The air outlet end of the air pump 6 is connected with a check pipe 7, the check pipe 7 is communicated with the air outlet end of the air pump 6, the bottom of the check pipe 7 is connected with a landfill gas collecting tank 8, the check pipe 7 is communicated with the landfill gas collecting tank 8, by arranging the non-return pipe 7 between the air extracting pump 6 and the landfill gas collecting box 8, the landfill gas collected in the landfill gas collecting box 8 can be prevented from flowing back when the air extracting pump 6 is closed, a support rod 9 is fixedly connected between the inner walls of the two sides of the middle part of the non-return pipe 7, a reset spring 10 is fixedly connected to the top of the support rod 9, a sealing plate 11 is fixedly connected to the top of the reset spring 10, a sealing ring 12 is arranged at the top of the sealing plate 11, the outer wall of the sealing ring 12 is fixedly connected with the inner wall of the non-return pipe 7, the inner diameter of the sealing ring 12 is smaller than the diameter of, the return spring 10 pushes the sealing plate 11 to be in precise contact with the sealing ring 12, so that the sealing effect is achieved.

Specifically, the utility model discloses during the use, put into rubbish landfill pond 1 in, adjust the height of exhaust tube 4 and No. two exhaust tubes 5 through gooseneck 3, open aspiration pump 6, aspiration pump 6 bleeds through landfill gas conveyer pipe 2, the induction port 13 of exhaust tube 4 and No. two exhaust tube 5 pipe walls bleeds to the inside of rubbish landfill pond 1, landfill gas is through 6 extractions of aspiration pump and get into landfill gas collection box 8 through return pipe 7, landfill gas extraction in rubbish landfill pond 1 closes aspiration pump 6 after clean, landfill gas in landfill gas collection box 8 receives the atmospheric pressure effect to outwards expand, during the inside of return pipe 7, be blockked by closing plate 11 and sealing ring 12, prevent gas leakage.

This landfill gas recovery unit has the gaseous effect of collecting of efficient, through setting up the gooseneck, make the exhaust tube in the landfill pond can height-adjusting, reach the gas that the landfill rubbish of reply the different degree of depth produced, be equipped with a plurality of induction ports on setting up two exhaust tubes and exhaust tube in the bottom of gooseneck, be convenient for collect the landfill gas of different positions, through set up the non-return pipe between landfill gas conveyer pipe and landfill gas collection case, play the landfill gas reflux that prevents the collection of landfill gas collection incasement.

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. A landfill gas collecting device comprises a landfill pond (1) and is characterized in that a landfill gas conveying pipe (2) is connected to the top of the landfill pond (1), a gooseneck pipe (3) is connected to the top of the inner wall of the landfill pond (1), the gooseneck pipe (3) is communicated with the landfill gas conveying pipe (2), a first exhaust pipe (4) is connected to the bottom of the gooseneck pipe (3), a second exhaust pipe (5) is connected to the bottom of the first exhaust pipe (4), the middle of the second exhaust pipe (5) is fixedly connected with the bottom of the first exhaust pipe (4), the first exhaust pipe (4) is communicated with the second exhaust pipe (5), a plurality of air suction ports (13) are formed in the pipe bodies of the first exhaust pipe (4) and the second exhaust pipe (5), and a landfill gas pump (6) is connected to one end, far away from the landfill gas conveying pipe (2), of the landfill pond (1), and the air inlet end of the air pump (6) is communicated with the landfill gas conveying pipe (2).

2. A landfill gas collecting device according to claim 1, wherein the air outlet end of the air pump (6) is connected with a check pipe (7), and the check pipe (7) is communicated with the air outlet end of the air pump (6).

3. A landfill gas collecting device according to claim 2, characterized in that the bottom of the non-return pipe (7) is connected with a landfill gas collecting tank (8), and the non-return pipe (7) is communicated with the landfill gas collecting tank (8).

4. The landfill gas collecting device according to claim 2, wherein a support rod (9) is fixedly connected between the inner walls of the two sides of the middle part of the check pipe (7), a return spring (10) is fixedly connected to the top of the support rod (9), and a sealing plate (11) is fixedly connected to the top of the return spring (10).

5. A landfill gas collecting device according to claim 4, wherein the top of the sealing plate (11) is provided with a sealing ring (12), the outer wall of the sealing ring (12) is fixedly connected with the inner wall of the check pipe (7), and the inner diameter of the sealing ring (12) is smaller than the diameter of the sealing plate (11).