Gas guide device suitable for garbage disposal

By using air pressure pipes and exhaust pipe components in the gas guide device, the problem of low landfill gas extraction efficiency in the landfill was solved, efficient gas extraction and purification effects were achieved, and the project progress was improved.

CN223405619UActive Publication Date: 2025-10-03ROAD & BRIDGE SOUTH CHINA ENG CO LTD
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Patent Information

Application Number
CN202422598923.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-10-03
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing gas guide device had low efficiency in extracting landfill gas in the landfill, which slowed down the project progress.

Method used

Using air guide pipes and exhaust components, pressurized air is sent to the bottom of the garbage pile through the air pressure pipe, and the landfill gas is extracted by using the exhaust pipe to form negative pressure, and the odor and particulate matter are purified through the filter component.

Benefits of technology

The extraction efficiency of landfill gas is improved, the impact of odor on the environment is avoided, and efficient gas extraction and purification effects are achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gas guide device suitable for garbage disposal, and relates to the technical field of garbage landfills. The device comprises an air guide pipe and a base, a pumping and discharging assembly is arranged between the air guide pipe and the base, and a filtering assembly is arranged at the top end of the base. External air is pressurized and fed into the wind pressure pipe, the pressurized air enters the bottom of a garbage pile through the air guide pipe and extrudes landfill gas upwards, meanwhile, negative pressure is formed in the exhaust pipe, the rising landfill gas enters the exhaust pipe from the air inlet, and therefore the situation that the landfill gas extraction efficiency is low can be avoided; therefore, the purpose of improving the efficiency is achieved; the landfill gas is fed into the filter box through the gas inlet pipe and moved to the position between the two partition plates, meanwhile, the spraying head sprays out adsorption liquid in a mist shape, the adsorption liquid makes contact with the landfill gas to adsorb peculiar smell, the adsorption liquid penetrates through the filter box to filter gas particles, and therefore the peculiar smell in the landfill gas can be prevented from affecting the environment, and the purification purpose is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of garbage landfills, in particular to an air guide device suitable for garbage disposal. Background Art

[0002] To prevent landslides and landslides after a landfill has been in use for a long time, it is necessary to clean up and relocate the existing garbage in some areas of the landfill. Before excavating the garbage pile, it is necessary to discharge the landfill gas at the bottom of the garbage pile to eliminate the risk of excavation. It is necessary to set up a landfill gas guide shaft in the area around the garbage pile.

[0003] Most existing gas guide devices directly use vacuum pumps to extract landfill gas through gas guide pipes. The landfill gas is dispersed at the bottom of the garbage pile, but the extraction efficiency is low, which in turn slows down the progress of the project. Utility Model Content

[0004] In order to solve the problem of low extraction efficiency of landfill gas directly, the purpose of the utility model is to provide a gas guide device suitable for garbage disposal.

[0005] The top of the air filter is connected with the air filter, and the top of the air filter is connected with the air filter.

[0006] Preferably, the filter assembly includes a filter box, which is fixedly mounted on the base, an air inlet pipe is fixedly passed through the outer side of the filter box, one end of the air inlet pipe is fixedly connected to the air outlet end of the suction pump, symmetrically distributed partitions are fixedly provided inside the filter box, a spray head is fixedly provided on the top of the filter box, the spray head is located between the two partitions, a filter box is movably inserted at the top of the filter box, an exhaust pipe is fixedly passed through the top of the filter box, the exhaust pipe is located on the side of the filter box away from the partition, a baffle is fixedly provided on the top of the filter box, the baffle is located between the two partitions, a drain pipe is fixedly passed through the outer side of the filter box, the drain pipe is located between the two partitions, and a handle is fixedly provided on the top of the filter box.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] 1. By pressurizing external air and sending it into the wind pressure pipe, the pressurized air enters the bottom of the garbage pile through the air guide pipe, so that the pressurized air squeezes the landfill gas upward. At the same time, negative pressure is formed in the exhaust pipe, and the rising landfill gas enters the exhaust pipe through the air inlet. This can avoid the low efficiency of landfill gas extraction and achieve the purpose of improving efficiency.

[0009] 2. The landfill gas is sent into the filter box through the air inlet pipe and moved between the two partitions. At the same time, the spray head sprays the adsorption liquid in the form of mist. The adsorption liquid comes into contact with the landfill gas to absorb the odor and passes through the filter box to filter the gas particles. This can prevent the odor in the landfill gas from affecting the environment, thereby achieving the purpose of purification. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 This is a schematic structural diagram of the utility model.

[0012] Figure 2 This is a cross-sectional schematic diagram of the utility model's air pressure pipe and its connection structure.

[0013] Figure 3 This is a schematic cross-sectional view of the filter assembly structure of the present invention.

[0014] In the figure: 1. Air guide pipe; 2. Extraction and exhaust assembly; 21. Air pressure pipe; 22. Exhaust pipe; 23. Blower; 24. Air supply pipe; 25. Exhaust pump; 26. Suction pipe; 27. Air outlet; 28. Air inlet; 29. ​​Geofilter; 3. Filter assembly; 31. Filter box; 32. Partition; 33. Air inlet pipe; 34. Sprinkler head; 35. Filter box; 36. Exhaust pipe; 37. Baffle; 38. Drain pipe; 39. Handle; 4. Base; 5. Backfill stone. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] Example: Figure 1-3 As shown, the utility model provides an air guide device suitable for garbage disposal, including an air guide pipe 1 and a base 4, the air guide pipe 1 is inserted in the air guide shaft, an exhaust assembly 2 is provided between the air guide pipe 1 and the base 4, and a filter assembly 3 is provided at the top of the base 4; the exhaust assembly 2 includes an air pressure pipe 21, the bottom end of the air pressure pipe 21 is fixedly connected to the top of the air guide pipe 1, an air extraction pipe 22 is fixedly sleeved on the outer side of the air guide pipe 1, a blower 23 is fixedly provided on the top of the base 4, an air outlet end of the blower 23 is fixedly provided with an air supply pipe 24, an end of the air supply pipe 24 away from the blower 23 is fixedly passed through the top of the air pressure pipe 21, an air extraction pump 25 is fixedly provided at the top of the base 4, an air inlet end of the air extraction pump 25 is fixedly provided with an intake pipe 26, one end of the intake pipe 26 is fixedly passed through the top of the exhaust pipe 22, and the external air is pressurized and sent to the air pressure pipe through the blower 23 through the air supply pipe 24 In the pipe 21, pressurized air enters the bottom of the garbage pile through the air guide pipe 1, so that the pressurized air squeezes the landfill gas upward, and at the same time, the air in the exhaust pipe 22 is extracted through the suction pipe 26 by the suction pump 25, so that a negative pressure is formed in the exhaust pipe 22, and the rising landfill gas enters the exhaust pipe 22, so as to avoid the low efficiency of landfill gas extraction. A plurality of air inlet holes 28 distributed in a circular array are provided on the outside of the exhaust pipe 22, and an air outlet 27 is provided at the bottom end of the wind pressure pipe 21. The air inlet holes 28 can facilitate the entry of landfill gas into the exhaust pipe 22, and the gas can be sent to the bottom of the garbage pile through the air outlet 27. The outside of the exhaust pipe 22 is wrapped with a geofilter 29, and the geofilter 29 can prevent impurities from entering the exhaust pipe 22. The outside of the exhaust pipe 22 is filled with backfill stones 5, and the backfill stones 5 can keep the exhaust pipe 22 stable.

[0017] The filter assembly 3 includes a filter box 31, which is fixedly mounted on the base 4. An air inlet pipe 33 is fixedly passed through the outer side of the filter box 31. One end of the air inlet pipe 33 is fixedly connected to the air outlet end of the air pump 25. A symmetrically distributed partition 32 is fixedly provided inside the filter box 31. A spray head 34 is fixedly provided on the top of the filter box 31. The spray head 34 is located between the two partitions 32. A filter box 35 is movably inserted at the top of the filter box 31. An exhaust pipe 36 is fixedly passed through the top of the filter box 31. The exhaust pipe 36 is located on the side of the filter box 35 away from the partition 32. The spray head 34 is connected to the external liquid supply equipment through a connecting pipe, and the landfill gas is sent into the filter box 31 through the air inlet pipe 33 and moved between the two partitions 32. At the same time, the adsorption liquid is sprayed out in the form of mist through the spray head 34. The adsorption liquid contacts the landfill gas to absorb the odor, passes through the filter box 35 to filter the gas particles, and is discharged into the atmosphere through the exhaust pipe 36. This can prevent the odor in the landfill gas from affecting the environment. A baffle 37 is fixedly provided on the top of the filter box 31. The baffle 37 is located between the two partitions 32. The baffle 37 can slow down the flow of gas and facilitate full contact between the gas and the adsorption liquid. A drain pipe 38 is fixedly passed through the outside of the filter box 31. The drain pipe 38 is located between the two partitions 32. The adsorption liquid can be easily discharged from the filter box 31 through the drain pipe 38. A handle 39 is fixed on the top of the filter box 35. The handle 39 can be used to easily remove the filter box 35.

[0018] Working principle: First, the air guide pipe 1 is inserted into the air guide shaft, and the backfill stone 5 is filled into the air guide shaft. When it is necessary to extract the landfill gas, the blower 23 is started and the blower 23 starts working. The blower 23 pressurizes the external air and sends it into the air pressure pipe 21 through the air supply pipe 24. The pressurized air is discharged through the air outlet 27 of the air guide pipe 1 and enters the bottom of the garbage pile, so that the pressurized air squeezes the landfill gas upward. At the same time, the air extraction pump 25 is started and the air extraction pump 25 starts working. The air extraction pump 25 extracts the air in the extraction pipe 22 through the suction pipe 26, so that a negative pressure is formed in the extraction pipe 22, and the rising landfill gas enters from the air inlet 28. The air is drawn through the extraction pipe 22 and into the suction pipe 26, thereby avoiding low landfill gas extraction efficiency and thus achieving the purpose of improving efficiency. Then, the air extraction pump 25 delivers the landfill gas into the filter box 31 through the air inlet pipe 33 and moves it between the two partitions 32. At the same time, the external liquid supply device is started, and the external liquid supply device delivers the adsorption liquid to the spray head 34 through the connecting pipe, so that the spray head 34 sprays the adsorption liquid in the form of mist. The adsorption liquid contacts the landfill gas to absorb odors, passes through the filter box 35 to filter gas particulate matter, and is discharged into the atmosphere through the exhaust pipe 36. This can prevent odor in the landfill gas from affecting the environment, thereby achieving the purpose of purification.

[0019] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. An air guide device suitable for garbage disposal, comprising an air guide pipe (1) and a base (4), characterized in that: An exhaust assembly (2) is provided between the air guide pipe (1) and the base (4), and a filter assembly (3) is provided at the top of the base (4); the exhaust assembly (2) includes an air pressure pipe (21), the bottom end of the air pressure pipe (21) is fixedly connected to the top of the air guide pipe (1), an exhaust pipe (22) is fixedly sleeved on the outside of the air guide pipe (1), a blower (23) is fixedly provided at the top of the base (4), an air supply pipe (24) is fixedly provided at the air outlet end of the blower (23), and one end of the air supply pipe (24) away from the blower (23) is fixedly passed through the top of the air pressure pipe (21), an exhaust pump (25) is fixedly provided at the top of the base (4), an air inlet pipe (26) is fixedly provided at the air inlet end of the exhaust pump (25), and one end of the exhaust pipe (26) is fixedly passed through the top of the exhaust pipe (22).

2. The air guide device suitable for garbage disposal according to claim 1, characterized in that: The filter assembly (3) comprises a filter box (31), the filter box (31) is fixedly mounted on the base (4), an air inlet pipe (33) is fixedly passed through the outer side of the filter box (31), one end of the air inlet pipe (33) is fixedly connected to the air outlet end of the air pump (25), the interior of the filter box (31) is fixedly provided with symmetrically distributed partitions (32), a spray head (34) is fixedly provided on the top of the filter box (31), the spray head (34) is located between the two partitions (32), a filter box (35) is movably inserted at the top of the filter box (31), an exhaust pipe (36) is fixedly passed through the top of the filter box (31), and the exhaust pipe (36) is located on the side of the filter box (35) away from the partition (32).

3. The air guide device suitable for garbage disposal according to claim 1, characterized in that: The outer side of the air extraction pipe (22) is provided with a plurality of air inlet holes (28) distributed in a circular array, and the bottom end of the air pressure pipe (21) is provided with an air outlet (27).

4. The air guide device suitable for garbage disposal according to claim 2, characterized in that: A baffle (37) is fixedly provided on the top of the filter box (31), and the baffle (37) is located between the two partitions (32).

5. The air guide device suitable for garbage disposal according to claim 2, characterized in that: A drainage pipe (38) is fixedly passed through the outside of the filter box (31), and the drainage pipe (38) is located between the two partitions (32).

6. The air guide device suitable for garbage disposal according to claim 1, characterized in that: The outer side of the air extraction pipe (22) is wrapped with a geotextile filter (29).

7. The air guide device suitable for garbage disposal according to claim 1, characterized in that: The outer side of the air extraction pipe (22) is filled with backfill stones (5).

8. The air guide device suitable for garbage disposal according to claim 2, characterized in that: A handle (39) is fixedly provided on the top end of the filter box (35).