CN206622444U - A kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill - Google Patents
A kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill Download PDFInfo
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- CN206622444U CN206622444U CN201720039857.3U CN201720039857U CN206622444U CN 206622444 U CN206622444 U CN 206622444U CN 201720039857 U CN201720039857 U CN 201720039857U CN 206622444 U CN206622444 U CN 206622444U
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- Prior art keywords
- gas injection
- injection well
- aerobic
- refuse landfill
- packing layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
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- Processing Of Solid Wastes (AREA)
Abstract
It the utility model is related to a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, including gas injection well, gas injection well casing, crushed rock filler layer and closure packing layer, the well head of gas injection well casing from the gas injection well is stretched into gas injection well, its top is solid wall pipe section, bottom is the floral tube section with uniform pore openings, and the length of floral tube section is 0.5~2.0m；Crushed rock filler layer is filled between the lower end of the floral tube section and the bottom wall and side wall of lateral wall and gas injection well；Closure packing layer is located between the gas injection well casing lateral wall above crushed rock filler layer and the side wall of gas injection well and its upper end is concordant with the well head of the gas injection well；Gas injection well casing upper end is located above the well head of gas injection well.The utility model gas injection well is applied to the heap body ventilation gas injection of the aerobic reparation of refuse landfill, accelerates rubbish organic matter aerobic degradation.And the device is also applied for the biodegradable reparation of organic pollution in contaminated soil, while strengthen the gas extraction reparation of volatility semi-volatile organic matter.
Description
Technical field
A kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill is the utility model is related to, belongs to environment and repaiies
Multiple facility field.
Background technology
Due to historical reasons, the refuse landfill of enormous amount, many refuse landfills are formd in China urban area
General seepage control project measure is not up to standard, and is randomly discharged without percolate and landfill gas collecting system, percolate and landfill gas, fills
The ecological environmental pollutions such as the air on field and periphery, surface water, soil and groundwater are serious, cause the serious wave of land resource
Take.
In addition, in Urbanization in China, the industrial enterprise in city has left a large amount of contaminated sites after the resettlement of factory site,
Many of which be similar to refuse landfill volatility semi-volatile organic matter contaminated site, organic pollution to soil,
Lower water and atmospheric environment cause serious pollution, and the moment threatens nearby residents health of human body, needs badly and contaminated site is repaiied
It is multiple to administer.
At present, numerous refuse landfills and similar contaminated site, which have become, restricts the important of regional society's economic development
Obstacle, to solve urban land anxiety, implement the improvement reparation in the type place, recover land development and efficiently utilize, at home
Progressively implement in each big city.Technical foundation of the China in terms of reparation is administered in refuse landfill and similar contaminated site compared with
For weakness, still lack applicable technology and related specifications, need the recovery technique for developing a collection of economical and efficient, equipment badly to meet day
The demand in the environment remediation market that benefit increases.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of applied to the aerobic accelerated degradation of refuse landfill
Gas injection well device, overcome landfill site seepage prevention engineering measures numerous in the prior art not up to standard and without percolate and landfill-gas collecting
System, percolate and landfill gas are randomly discharged, and cause the ecologies such as the air, surface water, soil and groundwater of landfill yard and periphery
Environmental pollution is serious, the defects of serious waste land resource.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：One kind is applied to the aerobic acceleration of refuse landfill
The gas injection well device of degraded, including gas injection well, gas injection well casing, crushed rock filler layer and closure packing layer, the gas injection well casing is from institute
The well head for stating gas injection well is stretched into the gas injection well, and the gas injection well casing top is solid wall pipe section, and bottom is with uniform pore openings
Floral tube section, the length of the floral tube section is 0.5~2.0m；The crushed rock filler layer is filled in lower end and the institute of the floral tube section
Between bottom wall and the lateral wall of the floral tube section and the side wall of the gas injection well of stating gas injection well；The closure packing layer is located at institute
Between the side wall for stating the gas injection well casing lateral wall and the gas injection well above crushed rock filler layer；The gas injection well casing upper end position
Above the well head of the gas injection well.
The beneficial effects of the utility model are：The utility model gas injection well is applied to the heap body of the aerobic reparation of refuse landfill
Ventilation gas injection, accelerates rubbish organic matter aerobic degradation.And the device is also applied for the biology drop of organic pollution in contaminated soil
Solution is repaired, while strengthens the gas extraction reparation of volatility semi-volatile organic matter.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the floral tube section outside parcel geotextiles, geotextiles are equipped between the filler metalling and the closure packing layer.It is excellent
Selection of land, the geotextiles are 600g/m2Non-woven geotextile.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the internal diameter of the gas injection well is 200mm~500mm；The gas injection well casing upper end is higher by the well head 0-1m, the gas injection well
Tube top end is provided with pressure gauge and gas sampling hole.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the gas injection well casing are located lateral connection air injection pipe between the well head above 0-0.8m is higher by, connected in the air injection pipe
Flow control valve.The flow of injection gas can be controlled by flow control valve.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the gas injection well bore are 50mm~110mm, and the gas injection well casing is HDPE pipes, UPVC pipes, pvc pipe or steel pipe.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the closure packing layer include upper strata packing layer and lower floor's packing layer, and lower floor's packing layer is infiltration coefficient ＜ 10-7cm/s
Clay compaction or bentonite (infiltration coefficient ＜ 10-7Cm/s), the upper strata packing layer is concrete layer or infiltration coefficient ＜ 10- 7Cm/s clay compactions or bentonite.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the height that the upper strata closure packing layer is 0.5 meter, the solid wall pipe section one of lower floor's bed stuffing height and gas injection well casing
Cause.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, in addition to multiple temperature sensors, multiple temperature sensors are sequentially located at the gas injection well and the note from top to bottom
In closure packing layer and crushed rock filler layer between gas well pipe；The data acquisition of multiple temperature sensor connections above the ground
And processing unit.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, is provided with protection sleeve pipe on the outside of the temperature sensor, and the protection sleeve pipe corresponds to the position of the temperature sensor provided with opening
Hole.
A kind of the utility model gas injection well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, 16~32mm of particle diameter of the crushed rock filler layer medium stone.
Brief description of the drawings
Fig. 1 is a kind of gas injection well installation drawing applied to the aerobic accelerated degradation of refuse landfill of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, gas injection well, 2, gas injection well casing, 3, gas injection well conduit, 4, flow control valve, 5, pressure gauge, 6, gas sampling hole,
7th, temperature sensor, 8, crushed rock filler layer, 9, lower floor's packing layer, 10, geotextiles, 11, upper strata packing layer, 12, heap body.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in figure 1, a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, including gas injection well 1, note
Gas well pipe 2, crushed rock filler layer 8 and closure packing layer, the gas injection well casing 2 are stretched into the gas injection well 1, the gas injection well casing 2
Top is solid wall pipe section, and bottom is the floral tube section with uniform pore openings, and the length of the floral tube section is 0.5~2.0m；It is described broken
Hardcore layer 8 be filled in the lower end of the floral tube section and the bottom wall of the gas injection well 1 and the lateral wall of the floral tube section with it is described
Between the side wall of gas injection well 1；Gas injection well casing 1 lateral wall of the closure packing layer positioned at the top of crushed rock filler layer 8
Between the side wall of the gas injection well and its upper end can be concordant with the well head of the gas injection well 1；The upper end position of gas injection well casing 2
Above the well head of the gas injection well 1；The utility model is in a specific example, the grain of the medium stone of crushed rock filler layer 8
16~32mm of footpath.The gas injection well device is applied to the heap body ventilation gas injection of the aerobic reparation of refuse landfill, accelerates rubbish organic matter
Aerobic degradation；And the device is used for the biodegradable reparation of organic pollution in contaminated soil, while strengthens volatility half and volatilize
The gas extraction reparation of property organic matter.
The parcel geotextiles 10 on the outside of some specific embodiments, the floral tube section；The filler metalling 8 and the closure
Geotextiles 10 are equipped between packing layer, specifically, the geotextiles 10 can be 600g/m2Non-woven geotextile.
In other specific embodiments, the internal diameter of the gas injection well 1 is 200mm~500mm；On the gas injection well casing 2
End is higher by the well head 0-1m, and the top of gas injection well casing 2 is provided with pressure gauge 5 and gas sampling hole 6；The gas injection well casing 2
It is being higher by lateral connection air injection pipe 3 at the well head above 0.5m, connection traffic regulating valve 4 in the air injection pipe.
In other specific embodiments, the internal diameter of gas injection well casing 2 can be 50mm~110mm, the gas injection well casing 2
For HDPE pipes, UPVC pipes, pvc pipe or steel pipe.
According to the utility model embodiment, in some specific examples, the closure packing layer includes upper strata packing layer 11
With lower floor packing layer 9, lower floor's packing layer 9 is infiltration coefficient ＜ 10-7Cm/s clay compactions or bentonite (infiltration coefficient ＜
10-7Cm/s), the upper strata packing layer 11 is concrete layer.Specifically, the concrete layer is 0.5 meter of height, the lower floor
At least height of packing layer 9 is 1 meter.
In other specific examples, in addition to multiple temperature sensors, multiple temperature sensors from top to bottom according to
In secondary closure packing layer and crushed rock filler layer 8 between the gas injection well 1 and the gas injection well casing 2；Multiple temperature
Sensor 7 connects controller above the ground, specifically data acquisition of the temperature sensor 7 by signal wire connection above the ground
And processing unit, the data acquisition and processing (DAP) device wirelessly or non-wirelessly connect on-site control, handled by on-site control
Temperature data.Specifically, the outside of temperature sensor 7 is provided with protection sleeve pipe, and the protection sleeve pipe corresponds to the TEMP
The position of device is provided with perforate, and the length of casing pipe hole opening is 0.5-1.0m, and temperature sensor is located at the middle part of tapping sleeve.On
The multiple temperature sensors 7 stated are spaced 3-8 rice.
The above-mentioned gas injection well device applied to the aerobic accelerated degradation of refuse landfill of the utility model, to garbage loading embeading
Field is also used as extraction well use during being repaired.
Using example
This example gas injection well device is used for a 6.4 Wan ㎡ of occupation of land informal landfill, heap body volume about 830,000
m3, landfill depth 11m~15m, 76 mouthfuls of gas injection well device is uniformly arranged in landfill yard, by gas injection well into junk-heap body 12
Air is injected, accelerates the degraded of organic matter in landfill waste.
After the aerobic improvement of 21 months, the informal household refuse landfill sites reach《Household refuse landfill sites stabilize
Utilize technical requirements》Moderate specified in (GB/T25179-2010) is utilized and required.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (10)
1. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, it is characterised in that including gas injection well, gas injection
Well casing, crushed rock filler layer and closure packing layer, the well head of gas injection well casing from the gas injection well are stretched into the gas injection well, institute
It is solid wall pipe section to state gas injection well casing top, and bottom is the floral tube section with uniform pore openings, the length of the floral tube section for 0.5~
2.0m；The crushed rock filler layer is filled in the lower end of the floral tube section and the bottom wall of the gas injection well and the outside of the floral tube section
Between the side wall of wall and the gas injection well；The closure packing layer is located at outside the gas injection well casing above the crushed rock filler layer
Between side wall and the side wall of the gas injection well；The gas injection well casing upper end is located above the well head of the gas injection well.
2. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, its feature exist according to claim 1
In geotextiles are wrapped up in the floral tube section outside, and geotextiles are equipped between the filler metalling and the closure packing layer.
3. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, its feature exist according to claim 1
In the internal diameter of the gas injection well is 200mm~500mm；The gas injection well casing upper end is higher by more than the well head 0-1m, the note
Gas well tube top end is provided with pressure gauge and gas sampling hole.
4. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, its feature exist according to claim 2
In connection flow in, gas injection well casing lateral connection air injection pipe between the well head above 0-0.8m is higher by, the air injection pipe
Adjustable valve.
5. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, its feature exist according to claim 1
In the gas injection well bore is 50mm~110mm, and the gas injection well casing is PE pipes, UPVC pipes, pvc pipe or steel pipe.
6. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, its feature exist according to claim 1
In the closure packing layer includes upper strata packing layer and lower floor's packing layer, and lower floor's packing layer is infiltration coefficient ＜ 10-7cm/s
Clay compaction or bentonite, the upper strata packing layer are concrete or infiltration coefficient ＜ 10-7Cm/s clay compactions or bentonite.
7. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, its feature exist according to claim 6
In, the height that the upper strata closure packing layer is 0.5 meter, the solid wall pipe section one of lower floor's bed stuffing height and gas injection well casing
Cause.
8. according to a kind of any one of claim 1 to 7 gas injection well device applied to the aerobic accelerated degradation of refuse landfill,
Characterized in that, also including multiple temperature sensors, multiple temperature sensors are sequentially located at the gas injection well from top to bottom
In closure packing layer and crushed rock filler layer between the gas injection well casing；Multiple temperature sensors connect above the ground
Data acquisition and processing (DAP) device.
9. a kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill, its feature exist according to claim 8
In being provided with protection sleeve pipe on the outside of the temperature sensor, the protection sleeve pipe corresponds to the position of the temperature sensor provided with opening
Hole.
10. filled according to a kind of any one of claim 1 to 7 gas injection well applied to the aerobic accelerated degradation of refuse landfill
Put, it is characterised in that 16~32mm of particle diameter of the crushed rock filler layer medium stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039857.3U CN206622444U (en) | 2017-01-13 | 2017-01-13 | A kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039857.3U CN206622444U (en) | 2017-01-13 | 2017-01-13 | A kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206622444U true CN206622444U (en) | 2017-11-10 |
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ID=60213402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720039857.3U Expired - Fee Related CN206622444U (en) | 2017-01-13 | 2017-01-13 | A kind of gas injection well device applied to the aerobic accelerated degradation of refuse landfill |
Country Status (1)
| Country | Link |
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| CN (1) | CN206622444U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014225A (en) * | 2019-12-04 | 2020-04-17 | 中科鼎实环境工程有限公司 | Be used for aerobic bioreactor technology gas well device of taking out notes |
| CN115415289A (en) * | 2022-08-19 | 2022-12-02 | 上海电力大学 | Be applied to good oxygen restoration gas injection well device of high leachate water level landfill |
| CN115784420A (en) * | 2022-09-07 | 2023-03-14 | 河北工程大学 | Device for removing pollutants in underground water in situ |
-
2017
- 2017-01-13 CN CN201720039857.3U patent/CN206622444U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014225A (en) * | 2019-12-04 | 2020-04-17 | 中科鼎实环境工程有限公司 | Be used for aerobic bioreactor technology gas well device of taking out notes |
| CN115415289A (en) * | 2022-08-19 | 2022-12-02 | 上海电力大学 | Be applied to good oxygen restoration gas injection well device of high leachate water level landfill |
| CN115784420A (en) * | 2022-09-07 | 2023-03-14 | 河北工程大学 | Device for removing pollutants in underground water in situ |
| CN115784420B (en) * | 2022-09-07 | 2024-05-10 | 河北工程大学 | Device for removing pollutants in underground water in situ |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20200113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |