CN206474487U - A kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill - Google Patents
A kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill Download PDFInfo
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- CN206474487U CN206474487U CN201720046379.9U CN201720046379U CN206474487U CN 206474487 U CN206474487 U CN 206474487U CN 201720046379 U CN201720046379 U CN 201720046379U CN 206474487 U CN206474487 U CN 206474487U
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- well
- extraction well
- extraction
- aerobic
- refuse landfill
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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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Abstract
The utility model is related to a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill, including extraction well, pumping well casing, crushed rock filler layer and closure packing layer, pumping well casing is stretched into extraction well from the well head of extraction well, its top is solid wall pipe section, and bottom is with uniform pore openings floral tube section；Crushed rock filler layer is filled between the lower end of floral tube section and lateral wall and the bottom wall and side wall of extraction well；Block packing layer and be located at being evacuated between well casing lateral wall and the side wall of extraction well above crushed rock filler layer；Well casing upper end is evacuated to be located above the well head of extraction well；Pumping well casing upper end is higher by well head, is evacuated well casing lateral connection leachate recirculation pipeline on the pipeline for be higher by well head.The utility model extraction well is used for the heap body gas extraction of the aerobic reparation of refuse landfill, accelerates rubbish organic matter aerobic degradation.In addition, the device is also applied for the gas extraction of volatility semi-volatile organic matter in organic polluted soil, while promoting the biodegradation of organic pollution.
Description
Technical field
The utility model is related to a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill, belongs to rubbish and fills out
Bury a treatment facility field.
Background technology
Due to historical reasons, the refuse landfill of enormous amount, the general antiseepage of landfill yard are formd in China urban area
Engineering measure is not up to standard, and randomly discharged without percolate and landfill gas collecting system, percolate and landfill gas, landfill yard and periphery
The ecological environmental pollution such as air, surface water, soil and groundwater it is serious, cause the serious waste of land resource.
In addition, in Urbanization in China, the industrial enterprise in city has left a large amount of contaminated sites after being moved in 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 severe contamination, 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 have become the important of restriction regional society economic development
Obstacle, to solve, urban land is nervous, implements the improvement reparation in the type place, recovers land development and efficiently utilizes, at home
Progressively implement in each big city.Technical foundation of the China in terms of refuse landfill and similar contaminated site administer reparation 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
Extraction well device, overcomes 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 ecology such as landfill yard and the air on periphery, surface water, soil and groundwater
Environmental pollution is serious, serious waste land resource defect.
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 extraction well device of degraded, including extraction well, pumping well casing, crushed rock filler layer and closure packing layer, the pumping well casing is from institute
The well head for stating extraction well is stretched into the extraction well, and the pumping well casing top is solid wall pipe section, and bottom is with uniform pore openings
Floral tube section；Crushed rock filler layer is filled in the outer of the lower end of the floral tube section and the bottom wall of the extraction well and floral tube section
Between side wall and side wall；It is described closure packing layer be located at the crushed rock filler layer above the pumping well casing lateral wall with it is described
Between the side wall of extraction well and its upper end is concordant with the well head of the extraction well；The pumping well casing upper end is located at the extraction well
Well head above；The pumping well casing upper end is higher by the well head, and the pumping well casing is being higher by horizontal stroke on the pipeline of the well head
To connection leachate recirculation pipeline.Leachate recirculation pipeline can be when junk-heap body humidity be relatively low, the recharge into pumping well casing
Percolate.
The beneficial effects of the utility model are：The utility model extraction 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 biological drop of organic pollution in contaminated soil
Solution is repaired, while strengthening 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 extraction 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.
A kind of the utility model extraction well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the length of the floral tube section is 0.5~5.0m.
A kind of the utility model extraction well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the internal diameter of the extraction well is 200mm~500mm；The pumping well casing upper end is higher by the well head 1m, the pumping well casing
Top is provided with pressure gauge and gas sampling hole；The pumping well casing is being higher by the well head above 0-0.8m laterally pumping
Connection traffic regulating valve on pipe, the exhaust tube.
A kind of the utility model extraction well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the internal diameter of the extraction well is 200mm~500mm；The pumping well casing upper end is higher by the well head 0-1m, the extraction well
Tube top end is provided with pressure gauge and gas sampling hole；The extraction well bore is 50mm~110mm, and the pumping well casing is PE
Pipe, UPVC pipes, pvc pipe or steel pipe.
A kind of the utility model extraction well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, 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 (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 extraction well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Step, the upper strata closure packing layer is 0.5 meter of height, 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 extraction 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 extraction well and taken out with described 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 extraction well device applied to the aerobic accelerated degradation of refuse landfill as described above, enters one
Protection sleeve pipe is provided with the outside of step, the temperature sensor, the position of the protection sleeve pipe correspondence temperature sensor, which is provided with, opens
Hole.
A kind of the utility model extraction 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 extraction 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, extraction well, 2, pumping well casing, 3, pumping 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, filtrate recharge pipeline, 12, heap body, 13,
Upper strata packing layer.
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 scope of the present utility model.
As shown in figure 1, a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill, including extraction well 1, take out
Gas well pipe 2, crushed rock filler layer 8 and closure packing layer, the pumping well casing 2 go deep into the extraction well 1, on the pumping well casing
Portion is solid wall pipe section, bottom be with uniform pore openings floral tubes section, the crushed rock filler layer 8 be filled in the lower end of the floral tube section with
Between the bottom wall and its lateral wall and the side wall of the extraction well 1 of the extraction well 1；The closure packing layer is filled out positioned at the rubble
Between the lateral wall of pumping well casing 1 of the top of the bed of material 8 and the side wall of the extraction well and its upper end can be with the extraction well 1
Well head it is concordant；Pumping well casing 2 upper end is located above the well head of the extraction well 1；The pumping well casing upper end is higher by institute
Well head is stated, the pumping well casing is being higher by lateral connection leachate recirculation pipeline on the pipeline of the well head.In above-described embodiment
The length of the floral tube section can be 0.5~2.0m.
The utility model is in a specific example, 16~32mm of particle diameter of 8 medium stone of the crushed rock filler layer.The pumping
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
Repaired for the biodegradable of organic pollution in contaminated soil, while strengthening the gas extraction of volatility semi-volatile organic matter
Repair.
The extraction well device is easy for installation, flexible arrangement, operation safety, can optimize cloth according to refuse landfill actual conditions
Put.
In some specific embodiments, between the floral tube section outside and the filler metalling 8 and the closure packing layer
Geotextiles 10 are equipped with, specifically, the geotextiles 10 can be 600g/m2Non-woven geotextile.
In other specific embodiments, the internal diameter of the extraction well 1 is 200mm~500mm；On the pumping well casing 2
End is higher by the well head 1m, and the top of pumping well casing 2 is provided with pressure gauge 5 and gas sampling hole 6；The pumping well casing 2 exists
Connection traffic regulating valve 4 on horizontal exhaust tube 3, the exhaust tube is higher by the well head above 0.5m.
In other specific embodiments, pumping well casing 2 internal diameter can be 50mm~110mm, the pumping well casing 2
Can be PE 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 13
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 13 is concrete or infiltration coefficient ＜ 10-7Cm/s clay compactions or bentonite.Specifically,
The concrete layer is 0.5 meter of height, and lower floor's packing layer 9 at least height is 1 meter.
In other specific examples, in addition to multiple temperature sensors 7, multiple temperature sensors 7 are from top to bottom
It is sequentially located in the closure packing layer and crushed rock filler layer 8 between the extraction well 1 and the pumping well casing 2；Multiple temperature
Degree sensor 7 connects data acquisition and processing (DAP) device above the ground.Specifically, temperature sensor 7 connects ground by signal wire
Data acquisition and processing (DAP) device above face, the data acquisition and processing (DAP) device wirelessly or non-wirelessly connects on-site control, just
Ground switch board connection control computer, further can be shown by control computer or on-site control.
Specifically, the outside of temperature sensor 7 is provided with protection sleeve pipe, the protection sleeve pipe correspondence temperature sensor
Position be provided with perforate.The position of the protection sleeve pipe correspondence temperature sensor is provided with perforate, and the length of casing pipe hole opening is
0.5-1.0m, temperature sensor is located at the middle part of tapping sleeve.Above-mentioned multiple temperature sensors 7 are spaced 3-8 meters.
The installation site of the temperature sensor can also be arranged according to live specific test position adjustment.
The above-mentioned extraction well device applied to the aerobic accelerated degradation of refuse landfill of the utility model, to garbage loading embeading
Field is also used as gas injection well during being repaired and used.
Using example
This example extraction well device is used for a 6.4 Wan ㎡ of occupation of land refuse landfill, the m of the volume of heap body 12 about 830,0003, fill out
Buried depth degree 11m~15m, is uniformly arranged 84 mouthfuls of extraction well in landfill yard, extracts aerobic reaction gas out by extraction well, accelerates to fill out
Bury the degraded of organic matter in garbage.
After the aerobic improvement of 21 months, the household refuse landfill sites reach《Household refuse landfill sites stabilize and utilize skill
Art requirement》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. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill, it is characterised in that including extraction well, pumping
Well casing, crushed rock filler layer and closure packing layer, the well head of pumping well casing from the extraction well are stretched into the extraction well, institute
It is solid wall pipe section to state pumping well casing top, and bottom is with uniform pore openings floral tube section；The crushed rock filler layer is filled in the flower
Between the side wall of the lateral wall and the extraction well of the lower end of pipeline section and the bottom wall of the extraction well and the floral tube section；The envelope
Stifled packing layer is located between the pumping well casing lateral wall above crushed rock filler layer and the side wall of the extraction well；It is described
Well casing upper end is evacuated to be located above the well head of the extraction well；The pumping well casing upper end is higher by the well head, the extraction well
Pipe is being higher by lateral connection leachate recirculation pipeline on the pipeline of the well head.
2. a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill according to claim 1, its feature exists
In the floral tube section outside parcel geotextiles are equipped with geotextiles between the filler metalling and the closure packing layer.
3. a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill according to claim 1, its feature exists
In the length of the floral tube section is 0.5~5.0m.
4. a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill according to claim 3, its feature exists
Connection on exhaust tube, the exhaust tube is laterally sequentially connected being higher by the well head above 0-0.8m in, the pumping well casing
Flow control valve.
5. a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill according to claim 1, its feature exists
In the internal diameter of the extraction well is 200mm~500mm；The pumping well casing upper end is higher by the well head 0-1m, the extraction well
Tube top end is provided with pressure gauge and gas sampling hole；The extraction well bore is 50mm~110mm, and the pumping well casing is PE
Pipe, UPVC pipes, pvc pipe or steel pipe.
6. a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill according to claim 1, its feature exists
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 extraction well device applied to the aerobic accelerated degradation of refuse landfill according to claim 6, its feature exists
In the upper strata closure packing layer is 0.5 meter of height, 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 extraction 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 extraction well from top to bottom
In closure packing layer and crushed rock filler layer between the pumping well casing；Multiple temperature sensors are connected above the ground
Data acquisition and processing (DAP) device.
9. a kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill according to claim 8, its feature exists
In provided with protection sleeve pipe on the outside of the temperature sensor, the position of the protection sleeve pipe correspondence temperature sensor, which is provided with, opens
Hole.
10. filled according to a kind of any one of claim 1 to 7 extraction 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 |
|---|---|---|---|
| CN201720046379.9U CN206474487U (en) | 2017-01-13 | 2017-01-13 | A kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720046379.9U CN206474487U (en) | 2017-01-13 | 2017-01-13 | A kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206474487U true CN206474487U (en) | 2017-09-08 |
Family
ID=59753399
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720046379.9U Expired - Fee Related CN206474487U (en) | 2017-01-13 | 2017-01-13 | A kind of extraction well device applied to the aerobic accelerated degradation of refuse landfill |
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| Country | Link |
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| CN (1) | CN206474487U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500043A (en) * | 2018-11-27 | 2019-03-22 | 北京国环清华环境工程设计研究院有限公司 | A kind of quasi- aerobic ecological restoring method of refuse landfill and system |
| CN109985885A (en) * | 2019-04-25 | 2019-07-09 | 湖南现代环境科技股份有限公司 | A kind of bioreactor landfill intensive treatment system and method |
| CN114904876A (en) * | 2022-05-31 | 2022-08-16 | 北京国环清华环境工程设计研究院有限公司 | Drainage guide device, rigid landfill pool and highly-intensive rigid landfill unit process |
| CN118029968A (en) * | 2024-03-04 | 2024-05-14 | 西安科技大学 | System and method for in-situ development of coal and recycling of hard-to-degrade plastic solid waste |
-
2017
- 2017-01-13 CN CN201720046379.9U patent/CN206474487U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500043A (en) * | 2018-11-27 | 2019-03-22 | 北京国环清华环境工程设计研究院有限公司 | A kind of quasi- aerobic ecological restoring method of refuse landfill and system |
| CN109985885A (en) * | 2019-04-25 | 2019-07-09 | 湖南现代环境科技股份有限公司 | A kind of bioreactor landfill intensive treatment system and method |
| CN109985885B (en) * | 2019-04-25 | 2024-05-10 | 湖南现代环境科技股份有限公司 | Enhanced treatment system and method for bioreactor landfill |
| CN114904876A (en) * | 2022-05-31 | 2022-08-16 | 北京国环清华环境工程设计研究院有限公司 | Drainage guide device, rigid landfill pool and highly-intensive rigid landfill unit process |
| CN118029968A (en) * | 2024-03-04 | 2024-05-14 | 西安科技大学 | System and method for in-situ development of coal and recycling of hard-to-degrade plastic solid waste |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20180113 |