CN107989119A - Utilize the method and system that polluted underground water is collected with pressure-reduction level transverse tube - Google Patents
Utilize the method and system that polluted underground water is collected with pressure-reduction level transverse tube Download PDFInfo
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- CN107989119A CN107989119A CN201711120373.2A CN201711120373A CN107989119A CN 107989119 A CN107989119 A CN 107989119A CN 201711120373 A CN201711120373 A CN 201711120373A CN 107989119 A CN107989119 A CN 107989119A
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/10—Obtaining and confining water by means of wells by means of pit wells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/10—Obtaining and confining water by means of wells by means of pit wells
- E03B3/11—Obtaining and confining water by means of wells by means of pit wells in combination with tubes, e.g. perforated, extending horizontally, or upwardly inclined, exterior to the pits
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
- E03B3/18—Well filters
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to polluted underground water processing technology field, is to be related to a kind of method and system for utilizing and polluted underground water being collected with pressure-reduction level transverse tube more specifically.Horizontal hole is opened up in groundwater remediation region and places horizontal transverse-pipe, pumping in horizontal transverse-pipe is made to form negative pressure in horizontal transverse-pipe using air extractor, improve underground water collection efficiency, horizontal transverse-pipe and the vertical shaft that catchments are collected and handle underground water, suitable in the less geologic province of permeability, collection and the treatment effeciency of polluted underground water can be effectively improved.
Description
Technical field
The invention belongs to polluted underground water processing technology field, is to be related to a kind of utilize with pressure-reduction level more specifically
Transverse tube collects the method and system of polluted underground water.
Background technology
At present, groundwater remediation includes permeable reactive barrier (PRB) technology, ground water collecting gang of wells extracting groundwater remediation
Technology.PRB engineering amounts are big, and cost is high, is only capable of, to phreatic water reparation, not repairing deep phreatic water.Ground
Lower water catchments gang of wells extracting groundwater remediation technology, and extracting and water process operating cost are high, and later maintenance is difficult.Existing underground water
Recovery technique underground water collection efficiency is relatively low, it is difficult to carries out groundwater remediation to the less geologic province of permeability.
The content of the invention
The method and system with pressure-reduction level transverse tube collection polluted underground water are utilized it is an object of the invention to provide a kind of,
To solve, existing groundwater remediation technology underground water collection efficiency is relatively low, is difficult to carry out underground to the less geologic province of permeability
The technical problem of water reparation.
To achieve the above object, the technical solution adopted by the present invention is：There is provided a kind of using with the collection of pressure-reduction level transverse tube
The method of polluted underground water, comprises the following steps：
S1 the vertical shaft that catchments) is laid in groundwater remediation region, the vertical shaft that catchments, which is deep to, need to handle polluted underground water layer position
Below；
S2) horizontal hole is opened up in the inner wall of the vertical shaft that catchments；
S3) set in the horizontal hole and be used to collect underground water and to the horizontal transverse-pipe of underground water decontamination, using pumping
Internal air exhausting of the device of air to the horizontal transverse-pipe；
S4) catchment vertical shaft described in the underground water entrance after the horizontal transverse-pipe processing, processing is up to standard
The underground water discharge afterwards enters river.
Further, in step S2) in, open up the horizontal hole at the different elevations in groundwater remediation region.
Further, the horizontal transverse-pipe includes draining blind pipe and the geotechnical fibre filter layer beyond draining blind pipe.
Further, the adsorbent and medicament for being used for adsorbing poisonous and harmful substance are set in the draining blind pipe.
Further, the end set of the horizontal transverse-pipe is useful for making the underground water after horizontal transverse-pipe processing
Into it is described catchment vertical shaft and prevent extraneous air enter the horizontal transverse-pipe in non-return valve.
The present invention provides a kind of system for utilizing and polluted underground water being collected with pressure-reduction level transverse tube, including：
Be laid in the vertical shaft that catchments in groundwater remediation region, the vertical shaft that catchments be deep to need to handle polluted underground water layer position with
Under；
It is opened in the horizontal hole of the inner wall of the vertical shaft that catchments；
It is arranged in the horizontal hole and for collecting underground water and to the horizontal transverse-pipe of underground water decontamination；And
To the air extractor of the internal air exhausting of the horizontal transverse-pipe, polluted underground water is repaiied by horizontal transverse-pipe processing
It is multiple.
Further, the horizontal hole is opened at the different elevations in groundwater remediation region.
Further, the horizontal transverse-pipe includes draining blind pipe and the geotechnical fibre filter layer beyond draining blind pipe.
Further, the adsorbent and medicine for being arranged in the draining blind pipe and being used for and adsorb poisonous and harmful substance are further included
Agent.
Further, the end set of the horizontal transverse-pipe is useful for making the underground water after horizontal transverse-pipe processing
Into it is described catchment vertical shaft and prevent extraneous air enter the horizontal transverse-pipe in non-return valve.
Having the technical effect that relative to the prior art of the invention：Horizontal hole is opened up in groundwater remediation region and places water
Flat transverse tube, makes to form negative pressure in horizontal transverse-pipe, improves underground water collection efficiency, water using air extractor to pumping in horizontal transverse-pipe
Flat transverse tube and the vertical shaft that catchments are collected and handle underground water, suitable for that in the less geologic province of permeability, can effectively improve pollution
The collection of underground water and treatment effeciency.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is that the structure provided in an embodiment of the present invention using the system that polluted underground water is collected with pressure-reduction level transverse tube is shown
It is intended to one；
Fig. 2 is that the structure provided in an embodiment of the present invention using the system that polluted underground water is collected with pressure-reduction level transverse tube is shown
It is intended to two；
Fig. 3 is that the knot for the horizontal transverse-pipe applied in the system of polluted underground water is collected in the utilization of Fig. 2 with pressure-reduction level transverse tube
Structure schematic diagram.
Embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
It is provided by the invention to utilize the side that polluted underground water is collected with pressure-reduction level transverse tube also referring to Fig. 1 and Fig. 2
Method, comprises the following steps：
S1 the vertical shaft 10 that catchments) is laid in groundwater remediation region, the vertical shaft 10 that catchments, which is deep to, need to handle polluted underground water
Below layer position；Groundwater remediation region can be around rivers and lakes or other need to carry out groundwater remediation region.To sewage
Underground water around the R of seepage pit storehouse is repaired.The diameter range of vertical shaft 10 of catchmenting is 2~3 meters, is easily made, easy to collect ground
Lower water.
S2) horizontal hole 20 is opened up in the inner wall for catchmenting vertical shaft 10；Horizontal hole 20 has 2% to 3% gradient,
Enter the vertical shaft 10 that catchments easy to the underground water after the processing of following horizontal transverse-pipes 30.30 sphere of action of horizontal transverse-pipe extends to 35m extremely
45m.Preferably, 30 sphere of action of horizontal transverse-pipe extends to 40m.The scope of program processing polluted underground water is big.
S3) set in the horizontal hole 20 and be used to collect underground water and to the horizontal transverse-pipe 30 of underground water decontamination, adopted
Internal air exhausting with air extractor to the horizontal transverse-pipe 30；There is horizontal transverse-pipe 30 high surface infiltration ability and inside to lead to
Outlet capacity；And the ability with preferable anti-pressure ability and adaptation deformation；Horizontal transverse-pipe 30 is big saturating of a water penetration in underground
Mirror body, subsurface flow collect when running into horizontal transverse-pipe 30 to it.Processing polluted underground water efficiency is collected using horizontal transverse-pipe 30
Higher.Horizontal transverse-pipe 30 and the vertical shaft 10 that catchments collectively constitute underground stereo pipe network, realize the collection and processing of underground water.Need
Bright, horizontal transverse-pipe 30 can be fully horizontal or be slightly tilted two states.
S4) catchment vertical shaft 10 described in the underground water entrance after 30 processing of horizontal transverse-pipe, processing
The underground water discharge after up to standard enters river.Underground water is up to standard to refer to that underground water meets repairing standard, can drain into river.
Horizontal hole 20 is opened up in groundwater remediation region and places horizontal transverse-pipe 30, using air extractor to horizontal transverse-pipe
Pumping makes to form negative pressure in horizontal transverse-pipe 30 in 30, improves underground water collection efficiency, and horizontal transverse-pipe 30 is collected with the vertical shaft 10 that catchments
And underground water is handled, imitated suitable for the collection that polluted underground water in the less geologic province of permeability, can be effectively improved with processing
Rate.
Further, as one kind provided by the invention using the method that polluted underground water is collected with pressure-reduction level transverse tube
Embodiment, in step S2) in, the horizontal hole 20 is opened up at the different elevations in groundwater remediation region.
Further, referring to Fig. 3, collecting polluted underground water using with pressure-reduction level transverse tube as provided by the invention
A kind of embodiment of method, horizontal transverse-pipe 30 include draining blind pipe 31 and the geotextile beyond draining blind pipe 31
Loaded filter 32.Draining blind pipe 31 penetrates into easy to contaminated underground water.In 31 outer wrapping geotextile of draining blind pipe as anti-filter
Layer stops the solids such as sandstone.
Further, as one kind provided by the invention using the method that polluted underground water is collected with pressure-reduction level transverse tube
Embodiment, sets the adsorbent and medicament for being used for adsorbing poisonous and harmful substance in draining blind pipe 31.The program can
More efficiently collect and handle contaminated underground water body.Preferably, adsorbent is polymeric sorbent, advantages of good adsorption effect.
Further, referring to Fig. 2, collecting polluted underground water using with pressure-reduction level transverse tube as provided by the invention
A kind of embodiment of method, the end set of horizontal transverse-pipe 30 are useful for making the underground after the processing of horizontal transverse-pipe 30
Water enter catchment vertical shaft 10 and prevent extraneous air enter horizontal transverse-pipe 30 in non-return valve 50.Below 30 end of horizontal transverse-pipe
Non-return valve 50 is set, which can allow processed underground water inflow to be catchmented in vertical shaft 10, while prevent the sky of outside
Gas enters in horizontal transverse-pipe 30.The end of horizontal transverse-pipe 30 is sealed end, when being evacuated easy to air extractor 40 in horizontal transverse-pipe 30
Negative pressure is formed, so that more underground water enter horizontal transverse-pipe 30.
Please refer to Fig.1, Fig. 2, the present invention provides a kind of system for utilizing and polluted underground water being collected with pressure-reduction level transverse tube, bag
Include and be laid in the vertical shaft 10 that catchments in groundwater remediation region and catchment vertical shaft 10, the vertical shaft 10 that the catchments vertical shaft 10 that catchments is deep to and need to handle dirt
Contaminate below water table position；Be opened in the vertical shaft 10 that catchments catchment vertical shaft 10 inner wall horizontal hole 20；It is arranged on horizontal hole
In 20 and for collecting underground water and to the horizontal transverse-pipe 30 of underground water decontamination；And the pumping of the internal air exhausting to horizontal transverse-pipe 30
Device of air, polluted underground water pass through 30 processing of horizontal transverse-pipe.
Horizontal hole 20 is opened up in groundwater remediation region and places horizontal transverse-pipe 30, using air extractor to horizontal transverse-pipe
Pumping makes to form negative pressure in horizontal transverse-pipe 30 in 30, improves underground water collection efficiency, and horizontal transverse-pipe 30 catchments with the vertical shaft 10 that catchments
Vertical shaft 10 is collected and handles underground water, suitable for that in the less geologic province of permeability, can effectively improve the receipts of polluted underground water
Collection and treatment effeciency.Groundwater remediation region can be around rivers and lakes or other need to carry out groundwater remediation region.It is right
Underground water around sewage seepage pit storehouse R is repaired.The diameter range of vertical shaft 10 of catchmenting is 2~3 meters, is easily made, easy to converge
Collect underground water.
Horizontal hole 20 is made of horizontal earthboring machine.Horizontal hole 20 has 2% to 3% gradient, under being easy to
State the underground water after horizontal transverse-pipe 30 is handled and enter the vertical shaft 10 that catchments.30 sphere of action of horizontal transverse-pipe extends to 35m to 45m.It is excellent
Selection of land, 30 sphere of action of horizontal transverse-pipe extend to 40m.The scope of program processing polluted underground water is big.
Horizontal transverse-pipe 30 has high surface infiltration ability and internal water passing capacity；And with preferable anti-pressure ability and
Adapt to the ability of deformation；Horizontal transverse-pipe 30 is the big lenticular body of a water penetration in underground, and subsurface flow is running into horizontal transverse-pipe 30
Shi Xiangqi collects.It is more efficient that processing polluted underground water is collected using horizontal transverse-pipe 30.Horizontal transverse-pipe 30 and the vertical shaft 10 that catchments are common
With composition underground stereo pipe network, the collection and processing of underground water are realized.It should be noted that horizontal transverse-pipe 30 can be complete water
Put down or be slightly tilted two states.
Further, as one kind provided by the invention using the system that polluted underground water is collected with pressure-reduction level transverse tube
Embodiment, horizontal hole 20 are opened at the different elevations in groundwater remediation region.The program more accurately can control ground
Lower water process elevation scope.
Further, referring to Fig. 3, collecting polluted underground water using with pressure-reduction level transverse tube as provided by the invention
A kind of embodiment of system, horizontal transverse-pipe 30 include draining blind pipe 31 and the geotextile beyond draining blind pipe 31
Loaded filter 32.Draining blind pipe 31 penetrates into easy to contaminated underground water.In 31 outer wrapping geotextile of draining blind pipe as anti-filter
Layer stops the solids such as sandstone.
Further, as one kind provided by the invention using the system that polluted underground water is collected with pressure-reduction level transverse tube
Embodiment, further includes the adsorbent and medicament for being arranged in draining blind pipe 31 and being used for and adsorb poisonous and harmful substance.Should
Scheme can more efficiently collect and handle contaminated underground water body.Preferably, adsorbent is polymeric sorbent, absorption
Effect is good.
Further, referring to Fig. 2, collecting polluted underground water using with pressure-reduction level transverse tube as provided by the invention
A kind of embodiment of system, the end set of horizontal transverse-pipe 30 are useful for making the underground after the processing of horizontal transverse-pipe 30
Water enter catchment vertical shaft 10 and prevent extraneous air enter horizontal transverse-pipe 30 in non-return valve 50.Below 30 end of horizontal transverse-pipe
Non-return valve 50 is set, which can allow processed underground water inflow to be catchmented in vertical shaft 10, while prevent the sky of outside
Gas enters in horizontal transverse-pipe 30.The end of horizontal transverse-pipe 30 is sealed end, when being evacuated easy to air extractor 40 in horizontal transverse-pipe 30
Negative pressure is formed, so that more underground water enter horizontal transverse-pipe 30.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. utilize the method that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that comprise the following steps：
S1 the vertical shaft that catchments) is laid in groundwater remediation region, the vertical shaft that catchments, which is deep to, need to be handled below polluted underground water layer position；
S2) horizontal hole is opened up in the inner wall of the vertical shaft that catchments；
S3) set in the horizontal hole and be used to collect underground water and to the horizontal transverse-pipe of underground water decontamination, filled using pumping
Put the internal air exhausting to the horizontal transverse-pipe；
S4) underground water after the horizontal transverse-pipe processing enter described in catchment vertical shaft, processing it is up to standard after
The underground water discharge enters river.
2. as claimed in claim 1 utilize the method that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that in step
Rapid S2) in, open up the horizontal hole at the different elevations in groundwater remediation region.
3. as claimed in claim 1 utilize the method that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that described
Horizontal transverse-pipe includes draining blind pipe and the geotechnical fibre filter layer beyond draining blind pipe.
4. as claimed in claim 3 utilize the method that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that in institute
State the adsorbent and medicament for being set in draining blind pipe and being used for adsorbing poisonous and harmful substance.
5. as Claims 1-4 any one of them utilizes the method that polluted underground water is collected with pressure-reduction level transverse tube, its feature
It is, the end set of the horizontal transverse-pipe is useful for making catchmenting described in the underground water entrance after horizontal transverse-pipe processing
Vertical shaft and the non-return valve for preventing extraneous air from entering in the horizontal transverse-pipe.
6. utilize the system that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that including：
The vertical shaft that catchments in groundwater remediation region is laid in, the vertical shaft that catchments, which is deep to, need to be handled below polluted underground water layer position；
It is opened in the horizontal hole of the inner wall of the vertical shaft that catchments；
It is arranged in the horizontal hole and for collecting underground water and to the horizontal transverse-pipe of underground water decontamination；And
To the air extractor of the internal air exhausting of the horizontal transverse-pipe, polluted underground water passes through the horizontal transverse-pipe processing.
7. as claimed in claim 6 utilize the system that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that described
Horizontal hole is opened at the different elevations in groundwater remediation region.
8. as claimed in claim 6 utilize the system that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that described
Horizontal transverse-pipe includes draining blind pipe and the geotechnical fibre filter layer beyond draining blind pipe.
9. as claimed in claim 8 utilize the system that polluted underground water is collected with pressure-reduction level transverse tube, it is characterised in that also wraps
Include the adsorbent and medicament for being arranged in the draining blind pipe and being used for and adsorb poisonous and harmful substance.
10. as claim 6 to 9 any one of them utilizes the system that polluted underground water is collected with pressure-reduction level transverse tube, its spy
Sign is that the end set of the horizontal transverse-pipe is useful for making the underground water after horizontal transverse-pipe processing enter the collection
Water vertical shaft and the non-return valve for preventing extraneous air from entering in the horizontal transverse-pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120373.2A CN107989119A (en) | 2017-11-14 | 2017-11-14 | Utilize the method and system that polluted underground water is collected with pressure-reduction level transverse tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120373.2A CN107989119A (en) | 2017-11-14 | 2017-11-14 | Utilize the method and system that polluted underground water is collected with pressure-reduction level transverse tube |
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| Publication Number | Publication Date |
|---|---|
| CN107989119A true CN107989119A (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711120373.2A Pending CN107989119A (en) | 2017-11-14 | 2017-11-14 | Utilize the method and system that polluted underground water is collected with pressure-reduction level transverse tube |
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| CN204225137U (en) * | 2014-10-31 | 2015-03-25 | 上海岩土工程勘察设计研究院有限公司 | For the radial well dewatering structure of contaminated water and soil integration in-situ immobilization |
| CN106734167A (en) * | 2016-12-26 | 2017-05-31 | 北京高能时代环境技术股份有限公司 | Strengthen repair system and technique in a kind of organic contamination place |
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2017
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|---|---|---|---|---|
| DE69629854D1 (en) * | 1995-06-07 | 2003-10-09 | Xerox Corp | Device for removing contaminants from a contaminated area |
| CN201713386U (en) * | 2010-06-03 | 2011-01-19 | 北京市水利科学研究所 | Circulating purification system of radial well |
| JP2011256671A (en) * | 2010-06-11 | 2011-12-22 | Ohbayashi Corp | Pumping unit, soft ground improvement method, ground excavation method, contaminated soil purification method and recharge method |
| CN104145552A (en) * | 2014-08-25 | 2014-11-19 | 扬州大学 | Horizontal and vertical combined underdrainage device for improving interlayer soil of coastal mud flat reclamation area farmland and drainage method thereof |
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