CN212821708U - Aerobic treatment facility structure of garbage pile - Google Patents
Aerobic treatment facility structure of garbage pile Download PDFInfo
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- CN212821708U CN212821708U CN202021065123.0U CN202021065123U CN212821708U CN 212821708 U CN212821708 U CN 212821708U CN 202021065123 U CN202021065123 U CN 202021065123U CN 212821708 U CN212821708 U CN 212821708U
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Abstract
The utility model discloses a rubbish pile body aerobic treatment facility structure, include: leachate recharge the pipeline for it is internal to pack leachate to rubbish heap, leachate recharge the pipeline and include: the device comprises a perforated pipe, a recharge vertical pipe and a recharge main pipe; and bleed gas injection pipeline for to inject gas in the rubbish heap, and discharge to outside the rubbish heap gas in the rubbish heap, bleed gas injection pipeline includes: a collecting pipe, a vertical gas guide pipe and a main gas guide pipe. The utility model provides a gas collecting pipe level setting among perforated pipe and the gas injection pipeline of bleeding in the leachate recharge pipeline is in the rubbish heap body, has realized that less pipeline covers great rubbish heap body to the cost of the good oxygen treatment facility structure of rubbish heap body has been reduced.
Description
Technical Field
The utility model relates to a landfill aerobic treatment technical field especially relates to a rubbish pile body aerobic treatment facility structure.
Background
With the development of national economy and the enlargement of urban areas, many unused irregular landfills become more and more valuable land for development. How to save the important resource of the city, namely the land, is urgent and tends to be great.
Untreated landfills, particularly non-normal landfills, cause severe pollution to the atmosphere, groundwater, and land near the landfills, and have negative effects on the environment and society. In the related art, the informal landfill is re-developed and utilized through aerobic treatment. As an illustration, the informal garbage dump after aerobic treatment can be used for park construction, which not only provides a new large recreation and entertainment place for citizens, but also improves the urban environment.
Patent CN102380498A discloses an aerobic treatment process for accelerating the degradation of organic matters in a landfill, which is characterized in that a plurality of gas injection wells, gas extraction wells and water injection wells are arranged in a garbage pile body, and a monitoring system is matched to keep a growth environment favorable for aerobic microorganisms in the garbage pile body, so that the degradation of the organic matters in the garbage pile body is accelerated. However, in actual treatment, the volume of the garbage dump of the landfill site is huge, and in order to enable gas and liquid to uniformly diffuse and permeate into the garbage dump as much as possible, a sufficient number of gas injection wells, gas extraction wells and water injection wells are usually required, which undoubtedly increases the construction amount, the construction difficulty and the treatment cost for treating the garbage dump.
SUMMERY OF THE UTILITY MODEL
In order to solve the aerobic treatment facility structure of the garbage heap at least partially, the technical problem that gas or liquid is difficult to diffuse or permeate in the aerobic treatment facility structure of the garbage heap body, the utility model provides an aerobic treatment facility structure of the garbage heap body, include:
leachate recharge the pipeline for to the internal recharge leachate of rubbish heap, leachate recharge the pipeline and include: the garbage stack comprises a perforated pipe, a recharge vertical pipe and a recharge main pipe, wherein the perforated pipe is horizontally placed in the garbage stack body and is provided with a plurality of first openings which are distributed along the axial direction and can be penetrated by liquid;
the gas injection pipeline of bleeding for gas injection in to the rubbish heap to and to the gas in the outer discharge rubbish heap of rubbish heap, the gas injection pipeline of bleeding includes: collecting pipe, air guide standpipe and air guide main, the collecting pipe level is placed in the rubbish heap, and the collecting pipe has along axial distribution and can see through gaseous a plurality of second trompils, the one end and the collecting pipe intercommunication of air guide standpipe, the other end and the air guide main intercommunication of air guide standpipe.
In some embodiments, the perforated tube and the collection tube are positioned parallel to each other.
In some embodiments, the structure of the aerobic treatment facility for garbage dump of the present invention further comprises: the geotextile is wrapped on the outer surface of the perforated pipe and/or the collecting pipe; and/or the crushed stone layer, the perforated tubes and/or the collecting tubes are arranged on or in the crushed stone layer.
In some embodiments, the structure of the aerobic treatment facility for garbage dump of the present invention further comprises: the monitoring wells are distributed along the extending direction of the perforated pipe and the collecting pipe, and each monitoring well is vertically arranged in the garbage pile body; and a monitoring system disposed within the plurality of monitoring wells, including one or more of sensors for detecting temperature, humidity, or gas composition within the waste heap.
In some embodiments, the leachate recharge conduit further comprises: a pressure monitoring tube in communication with the perforated tube; and the pressure gauge is arranged in the pressure monitoring pipe and used for detecting the air pressure of the perforated pipe and the recharging vertical pipe.
In some embodiments, the plurality of monitoring wells are located in an upper portion of the perforated and collection tubes.
In some embodiments, the recharge and/or air-guide stems are disposed outside the landfill.
In some embodiments, the material of the perforated pipe, the vertical recharge pipe, the main recharge pipe, the collecting pipe, the vertical gas guide pipe or the main gas guide pipe is high-density polyethylene.
In some embodiments, the perforated pipe, the recharge standpipe, the recharge stem, the collection pipe, the gas standpipe or the gas stem has an outer diameter of no less than 75 mm.
In some embodiments, the perforated pipe, the recharge standpipe, the recharge stem, the collection pipe, the gas standpipe, or the gas stem has a strength specification of no less than PE100 and an outside diameter to wall thickness ratio of no less than SDR 17.
The utility model discloses the good oxygen facility structure of administering of rubbish heap body through setting up leachate recharge pipe way, has realized utilizing leachate to adjust the internal humidity of rubbish heap, through setting up the gas injection pipeline that bleeds, has realized adjusting the internal gas of rubbish heap. And moreover, the perforated pipe in the leachate recharging pipeline and the gas collecting pipe in the gas pumping and injecting pipeline are horizontally arranged in the garbage pile body, so that fewer pipelines are covered with a larger garbage pile body, and the cost of the aerobic treatment facility structure of the garbage pile body is reduced.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an aerobic treatment facility structure of a garbage dump provided in an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the leachate recharge conduit shown in FIG. 1;
FIG. 3 is a schematic view of the structure of the gas extraction and injection pipe shown in FIG. 1;
FIG. 4 is a schematic view of the monitoring well and pressure monitoring tube of FIG. 1.
Symbolic illustration in the drawings:
1, infiltrating leachate to recharge a pipeline;
11 a perforated tube;
111 a first opening;
12 recharging the vertical pipe;
13, recharging the main pipe;
14 a vacuum valve;
2, pumping and injecting gas;
21 a collection pipe;
211 second opening;
22 gas vertical pipes;
23 air guiding main pipes;
24 bending the pipe;
3, monitoring a well;
31 a pressure monitoring tube;
4, the upper surface of the garbage pile body.
Detailed Description
The technical features of the present invention are described in the following by specific embodiments with reference to the accompanying drawings:
this embodiment provides a garbage heap aerobic treatment facility structure, as shown in fig. 1, including: the system comprises a leachate recharging pipeline 1 and an air exhaust and injection pipeline 2, wherein the leachate recharging pipeline 1 is used for recharging leachate into the garbage pile body so as to adjust the humidity in the garbage pile body; and the gas extraction and injection pipeline 2 is used for injecting gas into the garbage pile body and discharging the gas in the garbage pile body out of the garbage pile body so as to adjust the gas content or gas composition in the garbage pile body.
In the embodiment of the present invention, as shown in fig. 1 and 2, the leachate recirculation pipe 1 includes: the garbage stack comprises a perforated pipe 11, a recharge vertical pipe 12 and a recharge main pipe 13, wherein the perforated pipe 11 is horizontally placed in the garbage stack, the perforated pipe 11 is provided with a plurality of first openings 111 which are axially distributed and can penetrate liquid, one end of the recharge vertical pipe 12 is communicated with the perforated pipe 11, and the other end of the recharge vertical pipe 12 is communicated with the recharge main pipe 13. A fluid passage between the garbage stack body and the leachate recirculation pipe 1 is formed through the plurality of first openings 111, thereby recirculating leachate into the garbage stack body. Referring to fig. 2, the recharge standpipe 12 is vertically disposed within the waste heap and extends towards the upper portion of the waste heap. In some embodiments, the recharge main pipe 13 is horizontally disposed outside the garbage heap, and the recharge standpipe 12 extends outside the garbage heap and is communicated with the recharge main pipe 13, but is not limited thereto.
In the embodiment of the present invention, the drainage of leachate can refer to the prior art, and the embodiment of the present invention does not limit this. Illustratively, leachate is discharged from the waste heap into a leachate tank (not shown), the recharge main 13 is connected to a pump (not shown), and leachate in the leachate tank is introduced into the recharge main 13 via the pump, further introduced into the perforated pipe 11 via a recharge standpipe 12 connected to the recharge main 13, and then discharged into the waste heap via a plurality of first openings 111 in the perforated pipe 11. Since the perforated pipe 11 is horizontally arranged in the garbage heap and the plurality of first apertures 111 are distributed axially along the perforated pipe 11, leachate is discharged to the area covered by the perforated pipe 11.
In the embodiment of the present invention, as shown in fig. 1 and 3, the gas suction and injection pipeline 2 includes: the garbage collecting device comprises a collecting pipe 21, a vertical gas guide pipe 22 and a main gas guide pipe 23, wherein the collecting pipe 21 is horizontally placed in a garbage pile body, the collecting pipe 21 is provided with a plurality of second openings 211 which are distributed along the axial direction and can penetrate gas, one end of the vertical gas guide pipe 22 is communicated with the collecting pipe 21, and the other end of the vertical gas guide pipe 21 is communicated with the main gas guide pipe 23. A gas passage between the garbage stack body and the gas suction and injection pipe 2 is formed through the plurality of second openings 211, so that gas is injected into the garbage stack body or gas in the garbage stack body is discharged. Referring to fig. 3, the air duct stack 22 is vertically disposed within the garbage stack and extends toward the upper portion of the garbage stack. In some embodiments, the air duct stem 23 is horizontally disposed outside the garbage stack, the air duct stem 22 extends to the outside of the garbage stack and is communicated with the air duct stem 23, and the air duct stem 22 is communicated with the air duct stem 23 through the elbow 24, but is not limited thereto.
The utility model discloses an in the embodiment, air guide trunk 23 sets up to communicate with bleed air injection device (not shown in the figure), and the air injection device of bleeding can include air exhaust fan and gas injection fan, and air exhaust fan is used for taking out gas to the internal from rubbish via bleed air injection pipeline 2, and the gas injection fan is used for injecting into gas to the rubbish heap via bleed air injection pipeline 2. Since the collecting pipe 21 is horizontally arranged in the garbage stack and the plurality of second opening holes 211 are distributed along the axial direction of the collecting pipe 21, gas is injected into the area covered by the collecting pipe 21 or is discharged from the area covered by the collecting pipe 21.
In some embodiments, as shown in fig. 1, the perforated tube 11 and the collection tube 21 are positioned parallel to each other, thereby allowing at least a relatively uniform action of gas and liquid within the waste heap. In certain embodiments, perforated tube 11 is at the same level as collection tube 21, but is not limited thereto. In practical applications, a person skilled in the art may set the spacing distance between the perforated tube 11 and the collection tube 21 according to needs, and this embodiment is not limited thereto.
In some embodiments, the structure of the aerobic treatment facility of the garbage dump further comprises: and a geotextile (not shown) covering the outer surface of the perforated pipe 11 and/or the collecting pipe 21, the geotextile being used for preventing the garbage heap body from permeating particles and the like in the leachate so as to prevent at least the first opening hole 111 of the perforated pipe 11 and/or the second opening hole 211 of the collecting pipe 21 from being blocked.
In some embodiments, the structure of the aerobic treatment facility of the garbage dump further comprises: and a crushed stone layer (not shown), wherein the perforated pipe 11 and/or the collecting pipe 21 are/is arranged on or in the crushed stone layer, and the crushed stone layer is used for preventing substances such as particles in the leachate of the garbage heap from adhering to the pipe wall so as to prevent at least the first opening 111 on the perforated pipe 11 and/or the second opening 211 on the collecting pipe 21 from being blocked. Optionally, the thickness of the crushed stone layer is between 300mm-500 mm.
In some embodiments, as shown in fig. 4, the garbage dump aerobic treatment facility structure further comprises: the monitoring wells 3 are distributed along the extending direction of the perforated pipe 11 and the collecting pipe 21, and each monitoring well 3 is vertically arranged in the garbage pile body; and a monitoring system (not shown) disposed within the plurality of monitoring wells 3, including one or more of sensors for detecting temperature, humidity or gas composition within the refuse heap. Therefore, the operation of gas injection/extraction and leachate recharge is controlled in time according to the monitoring result, so that the environment suitable for the growth of microorganisms is kept in the garbage heap, and the degradation of internal organic matters is accelerated.
In some embodiments, as shown in fig. 4, the leachate is recharged to the pipeline 1, further comprising: a pressure monitoring tube 31 communicating with the perforated tube 11; and the pressure gauge (not shown in the figure) is arranged in the pressure monitoring pipe 31 and is used for monitoring the air pressure of the perforated pipe 11 and the recharging vertical pipe 12 so as to prevent at least the air pressure from being too large to form an air seal, so that the leachate cannot be recharged into the garbage pile body through the perforated pipe 11 and the recharging vertical pipe 12.
In some embodiments, as shown in fig. 4, a plurality of monitoring wells 3 are located between the perforated pipes 11 and the collection pipes 21, and a monitoring system is provided in the plurality of monitoring wells 3 for multipoint monitoring of temperature, humidity or gas composition in the waste heap.
In some embodiments, a vacuum valve 14 is provided at the communication between the recharge standpipe 12 and the recharge main pipe 13 for controlling the communication and closing between the recharge standpipe 12 and the recharge main pipe 13.
In some embodiments, the perforated pipe 11, the vertical recharge pipe 12, the main recharge pipe 13, the collection pipe 21, the vertical gas pipe 22 or the main gas pipe 23 are made of high density polyethylene.
In some embodiments, the perforated pipe 11, the recharge standpipe 12, the recharge trunk 13, the collection pipe 21, the gas standpipe 22, or the gas trunk 23 have an outer diameter of no less than 75 mm.
In some embodiments, the perforated pipe 11, the recharge standpipe 12, the recharge stem 13, the collection pipe 21, the gas standpipe 22, or the gas stem 23 have a strength specification of no less than PE100 and an outside diameter to wall thickness ratio of no less than SDR 17.
The utility model discloses the good oxygen treatment facility structure of rubbish heap body through laying perforated pipe 11 and collecting pipe 21 that have the trompil structure at rubbish heap internal level, reaches the effect that liquid and gas can fully permeate and spread along perforated pipe and collecting pipe in rubbish heap, has avoided setting up the construction operation of a large amount of water injection/gas well or pumping water/gas well, has reduced the good oxygen construction degree of difficulty of administering of rubbish heap body to the treatment cost of the good oxygen administration of rubbish heap body has been reduced.
In some embodiments, the temperature sensing element of the temperature sensing device is a thermocouple, and the following table gives the types of thermocouples that may be used:
it should be noted that, in the embodiment of the present embodiment, fig. 1 only shows an exemplary embodiment in which one set of perforated pipes 11 is disposed in parallel with the collection pipes 21, and in practical implementation, there may be a plurality of sets of perforated pipes 11 disposed in parallel at equal intervals, and a plurality of sets of collection pipes 21 disposed in parallel at equal intervals, so as to facilitate the gas or liquid to uniformly diffuse or permeate in the garbage stack. Of course, in actual practice, depending on the volume and the floor area of the garbage stack, the plurality of sets of perforated pipes 11 and the collection pipes 21, the plurality of sets of perforated pipes 11, or the plurality of sets of collection pipes 21 may be arranged in a non-parallel positional relationship.
The following describes a method for laying the aerobic treatment facility structure of the garbage dump, and it should be understood that the method is only an exemplary illustration for understanding the embodiment of the present application, and is not a limitation on the laying method of the embodiment of the present application. The paving method comprises the following steps of 1-5:
Wherein the collecting pipe 21 and the perforated pipe 11 are buried in the rear surface of the garbage stack body. In practical applications, the positions of the collecting pipe 21 and the perforated pipe 11 can be set at a distance of about 1-2 m from the top surface 4 of the garbage stack, but the positions of the collecting pipe 21 and the perforated pipe 11 can be adjusted according to the height of the garbage stack.
And 2, welding the recharge standpipe 12 with the perforated pipe 11, and welding the gas guide standpipe 22 with the collecting pipe 21.
And 3, welding the recharging vertical pipe 12 with the recharging main pipe 13, and welding the gas guide vertical pipe 22 with the gas guide main pipe 23.
And 4, welding the perforated pipe 11 with the pressure monitoring pipe 31, and installing a pressure gauge in the pressure monitoring pipe 31.
It should be understood that, in the embodiments of the present application, welding is not limited, and communication through a pipe connector such as a tee is also possible, and details of the embodiments of the present application are not described herein.
And 5, drilling through the monitoring well 3 in a drilling mode, and installing a monitoring system in the monitoring well 3.
In some embodiments, gravel placement is also performed with a gravel layer thickness of 300-500 mm such that the perforated pipes 11 and the collection pipes 21 are in or on the gravel layer.
In some embodiments, the outer walls of the perforated pipe 11 and the collecting pipe 21 are wrapped with geotextile, which has good air permeability and water permeability and can isolate the perforated pipe 11 and the collecting pipe 21 from the garbage stack body, thereby effectively filtering some fine impurities and the like.
For convenience of construction, the perforated pipe 11, the recharge standpipe 12, the recharge main pipe 13, the collecting pipe 21, the gas guide standpipe 22, the gas guide main pipe 23 and the pressure monitoring pipe 31 can be implemented by using high-density polyethylene pipes of the same specification, the diameter of the pipes is not less than 75mm, the specification requirement of the strength is not less than PE100, and the ratio of the outer diameter to the wall thickness is not less than SDR 17.
In some embodiments, the perforated pipe 11, the recharge standpipe 12, the recharge main pipe 13, the pressure monitoring pipe 31, and the collecting pipe 21, the gas directing standpipe 22 and the gas directing main pipe 23 may be connected by other connection methods in the prior art, such as quick-connect connectors, to achieve communication between the pipes.
The utility model discloses the good oxygen facility structure of administering of rubbish heap body also can install in advance, and landfill rubbish on it again can save the construction operation of digging the slot on the rubbish layer surface, recharging the ditch like this, reduces the construction degree of difficulty to and reduce the cost of refuse disposal.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and all of them fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a rubbish heap body aerobic treatment facility structure which characterized in that includes:
leachate recharge the pipeline for it is internal to pack leachate to rubbish heap, leachate recharge the pipeline and include: the garbage pile comprises a perforated pipe, a recharge vertical pipe and a recharge main pipe, wherein the perforated pipe is horizontally placed in the garbage pile body and is provided with a plurality of first openings which are distributed along the axial direction and can penetrate liquid, one end of the recharge vertical pipe is communicated with the perforated pipe, and the other end of the recharge vertical pipe is communicated with the recharge main pipe;
bleed gas injection pipeline for to inject into gas in the rubbish heap to and discharge outward the rubbish heap gas in the rubbish heap, bleed gas injection pipeline includes: the garbage stack comprises a collecting pipe, an air guide vertical pipe and an air guide main pipe, wherein the collecting pipe is horizontally arranged in the garbage stack body, the collecting pipe is provided with a plurality of second openings which are distributed along the axial direction and can penetrate gas, one end of the air guide vertical pipe is communicated with the collecting pipe, and the other end of the air guide vertical pipe is communicated with the air guide main pipe.
2. The aerobic treatment facility structure of a garbage dump according to claim 1, wherein the perforated pipe and the collecting pipe are disposed in parallel with each other.
3. The aerobic treatment facility structure of a garbage dump according to claim 1, further comprising:
the geotextile is wrapped on the outer surface of the perforated pipe and/or the collecting pipe; and/or
A crushed stone layer, wherein the perforated pipe and/or the collecting pipe are/is arranged on or in the crushed stone layer.
4. The aerobic treatment facility structure of a garbage dump according to claim 1, further comprising: the monitoring wells are distributed along the extending direction of the perforated pipe and the collecting pipe, and each monitoring well is vertically arranged in the garbage pile body; and a monitoring system disposed within the plurality of monitoring wells, including one or more of sensors for detecting temperature, humidity, or gas composition within the waste heap.
5. The aerobic treatment facility structure of a garbage heap according to claim 1 wherein the leachate recirculation pipeline further comprises: a pressure monitoring tube in communication with the perforated tube; and the pressure gauge is arranged in the pressure monitoring pipe and used for detecting the air pressure of the perforated pipe and the recharging vertical pipe.
6. The aerobic treatment facility structure of a garbage dump according to claim 4, wherein the plurality of monitoring wells are located at the upper part of the perforated pipe and the collecting pipe.
7. The aerobic treatment facility structure of a garbage pile according to claim 1, wherein the recharging main pipe and/or the air guiding main pipe are/is disposed outside the garbage pile.
8. The aerobic treatment facility structure of garbage pile according to any of claims 1 to 7, wherein the perforated pipe, the vertical recharge pipe, the main recharge pipe, the collecting pipe, the vertical gas guide pipe or the main gas guide pipe is made of high density polyethylene.
9. The aerobic treatment facility structure of a garbage heap according to any one of claims 1 to 7 wherein the outer diameter of the perforated pipe, the recharge standpipe, the recharge main pipe, the collection pipe, the gas riser or the gas main pipe is not less than 75 mm.
10. The aerobic treatment facility structure of a garbage heap of any one of claims 1 to 7 wherein the strength specification of the perforated pipe, the recharge standpipe, the recharge trunk pipe, the collection pipe, the gas riser or the gas riser is not less than PE100 and the ratio of the outer diameter to the wall thickness is not less than SDR 17.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021065123.0U CN212821708U (en) | 2020-06-11 | 2020-06-11 | Aerobic treatment facility structure of garbage pile |
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| CN202021065123.0U CN212821708U (en) | 2020-06-11 | 2020-06-11 | Aerobic treatment facility structure of garbage pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192538A (en) * | 2021-12-03 | 2022-03-18 | 上海康恒环境修复有限公司 | Horizontal aerobic aeration system of household garbage rigid landfill |
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2020
- 2020-06-11 CN CN202021065123.0U patent/CN212821708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192538A (en) * | 2021-12-03 | 2022-03-18 | 上海康恒环境修复有限公司 | Horizontal aerobic aeration system of household garbage rigid landfill |
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