CN109437422A - A kind of prosthetic appliance of DNAPL contaminated site - Google Patents

A kind of prosthetic appliance of DNAPL contaminated site Download PDF

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Publication number
CN109437422A
CN109437422A CN201811468353.9A CN201811468353A CN109437422A CN 109437422 A CN109437422 A CN 109437422A CN 201811468353 A CN201811468353 A CN 201811468353A CN 109437422 A CN109437422 A CN 109437422A
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CN
China
Prior art keywords
extraction tube
screen pipe
dnapl
prosthetic appliance
extraction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811468353.9A
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Chinese (zh)
Other versions
CN109437422B (en
Inventor
丁贞玉
孙宁
刘锋平
呼红霞
张宗文
张岩坤
周欣
尹惠林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINESE ACADEMY FOR ENVIRONMENTAL PLANNING
Original Assignee
CHINESE ACADEMY FOR ENVIRONMENTAL PLANNING
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by CHINESE ACADEMY FOR ENVIRONMENTAL PLANNING filed Critical CHINESE ACADEMY FOR ENVIRONMENTAL PLANNING
Priority to CN201811468353.9A priority Critical patent/CN109437422B/en
Publication of CN109437422A publication Critical patent/CN109437422A/en
Application granted granted Critical
Publication of CN109437422B publication Critical patent/CN109437422B/en
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Anticipated expiration legal-status Critical

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06Contaminated groundwater or leachate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/007Modular design

Abstract

The invention belongs to soil and groundwater remediation technical fields, disclose a kind of prosthetic appliance of DNAPL contaminated site, including extraction unit, and the extraction unit includes first extraction tube with first inner chamber and the first screen pipe being sheathed on outside first extraction tube;First extraction tube is equipped with multiple connections first inner chamber and the first extraneous drawing holes;First extraction tube generally spiral uprising shape;The extraction unit further includes second extraction tube with second inner chamber and the second screen pipe being sheathed on outside second extraction tube;Second screen pipe is set between first extraction tube and second extraction tube;Second extraction tube generally spiral uprising shape;Second screen pipe is the active carbon cartridge filter for adsorption of DNA PL.Compared with the relevant technologies, the application can realize the filtering of DNAPL in underground, will extract and the process of filtering carries out simultaneously, repair convenient for realizing to DNAPL Pollution Field.

Description

A kind of prosthetic appliance of DNAPL contaminated site
Technical field
The invention belongs to soil and groundwater remediation technical fields, and in particular to a kind of reparation of DNAPL contaminated site is set It is standby.
Background technique
DNAPL is heavy nonaqueous phase pollutant, due to the low aqueous solubility of DNAPL, weak migration, refractory organics and can be penetrated Water-bearing layer and be trapped in water-bearing layer bottom, reparation can be used related setting and be timed quantitative extraction to the underground water at this It realizes, in the related technology, ground, then unified progress water process is set into the raw water extraction containing DNAPL, removes DNAPL comprising take out Process and treatment process, complex procedures are taken, and individual water extraction and water process setting need to be set, the device is complicated.
Therefore, it is urgent to provide a kind of prosthetic appliances of new DNAPL contaminated site to solve above-mentioned technical problem.
Summary of the invention
The purpose of the present invention is in view of the above technical problems, the present invention provides a kind of reparations of DNAPL contaminated site to set It is standby, the filtering of DNAPL can be realized in underground, will extract and the process of filtering carries out simultaneously, shorten the activity duration, simplified and set It is standby.It is repaired convenient for being realized to DNAPL Pollution Field.
In order to solve the above technical problems, a kind of prosthetic appliance of DNAPL contaminated site provided by the invention, including extract single Member, the extraction unit include the first filtering for having the first extraction tube of first inner chamber and being sheathed on outside first extraction tube Pipe;First extraction tube is equipped with multiple connections first inner chamber and the first extraneous drawing holes;First extraction tube Generally spiral uprising shape;The extraction unit further includes having the second extraction tube of second inner chamber and being sheathed on described second to mention Take the second screen pipe outside pipe;Second screen pipe is set between first extraction tube and second extraction tube;It is described Second extraction tube is equipped with multiple connections second inner chamber and the second extraneous drawing holes;Second extraction tube generally spiral shell Screw on a liter shape;Second screen pipe is the active carbon cartridge filter for adsorption of DNA PL.
Further, the prosthetic appliance of the DNAPL contaminated site further includes set on first extraction tube and described the Third screen pipe between one screen pipe, the third screen pipe are the active carbon cartridge filter for adsorption of DNA PL.
Further, second screen pipe include the second filtration barrel body with the second upward opening and lid set it is described Second filtration barrel cover of opening, and set on the intracorporal entirety of the second cartridge filter in the second active carbon plate of cylindrical toroidal.
Further, the third screen pipe includes that there is the third filtration barrel body of upward third opening and lid to set is described The third filtration barrel cover of third opening, and set on the intracorporal entirety of third cartridge filter in the third activated carbon of cylindrical toroidal Plate.
Further, first screen pipe include the first filtration barrel body and be covered on first filtration barrel body the One filtration barrel cover.
Further, the correspondence position of first filtration barrel cover, second filtration barrel cover and the third filtration barrel cover Set the perforation hole being connected for the first extraction tube and the second extraction tube with the external world being equipped with through thereon.
Further, the outer wall of the third screen pipe abuts the inner wall of first screen pipe, first extraction tube Outer wall abut the inner wall of the third screen pipe;The outer wall of second screen pipe abuts the inner wall of first extraction tube, The outer wall of second extraction tube abuts the inner wall of second screen pipe;First extraction tube and second extraction tube Bottom surface is plane.
Further, multiple first drawing holes are set to the close third filter element of first extraction tube On tube wall;Multiple second drawing holes are set on the tube wall of close second screen pipe of first extraction tube.
Further, the prosthetic appliance of the DNAPL contaminated site further include: there is the first pump intake and the first pump discharge First extract pump, the first delivery pipe for connecting first pump intake and the first extraction tube and connection first pump discharge The first return pipe;The prosthetic appliance of the DNAPL contaminated site further include: the with the second pump intake and the second pump discharge Two extract the of pump, the second delivery pipe for connecting second pump intake and the second extraction tube and connection second pump discharge Two return pipes.
Further, the prosthetic appliance of the DNAPL contaminated site further include: respectively with it is described first extract pump and it is described The control unit and be used to support the first extraction pump and the second extraction pump and control that second extraction pump is electrically connected The rack of unit, the rack lower section are equipped with idler wheel.
Compared with the relevant technologies, a kind of prosthetic appliance of DNAPL contaminated site of the application can realize the mistake of DNAPL in underground Filter, will extract and the process of filtering carries out simultaneously, shortens the activity duration, has simplified equipment.Convenient for being realized to DNAPL Pollution Field It repairs.
Detailed description of the invention
It will be apparent and be easier reason by made detailed description, above-mentioned advantage of the invention in conjunction with the following drawings Solution, these attached drawings are only schematical, are not intended to limit the present invention, in which:
Fig. 1 is a kind of overall structure diagram of the prosthetic appliance of DNAPL contaminated site of the present invention;
Fig. 2 is the facade schematic cross-sectional view of the extraction unit in a kind of prosthetic appliance of DNAPL contaminated site of the present invention.
In figure:
1. extraction unit;2. the first return pipe;3. first extracts pump;4. the first delivery pipe;5. second extracts pump;6. second Delivery pipe;7. control unit;8. rack;9. idler wheel, 10. second return pipes;
11. the first screen pipe;12 third screen pipes;13. the first extraction tube;14. the second screen pipe;15. the second extraction tube; 16. perforation hole;
111. the first filtration barrel body;112. the first filtration barrel cover;
121. third filtration barrel body;122. third filtration barrel cover;123. third activity carbon plate;
131. first inner chamber;
141. second filtration barrel bodies;142. second filtration barrel covers;143. second active carbon plates;
151. second inner chamber;152. second drawing holes.
Specific embodiment
Combined with specific embodiments below with attached drawing pair, a kind of prosthetic appliance of DNAPL contaminated site of the invention carries out detailed It describes in detail bright.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention, Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein The technical solution of substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each section And its correlation.It note that for the ease of clearly showing the structure of each component of the embodiment of the present invention, identical reference Label is for indicating identical part.
A kind of prosthetic appliance of DNAPL contaminated site, as shown in Figures 1 and 2 comprising extraction unit 1, extraction unit 1 Including the first screen pipe 11 that first with first inner chamber 131 13 at extraction tube and is sheathed on outside the first extraction tube 13;First mentions Pipe 13 is taken to be equipped with multiple connection first inner chambers 131 and the first extraneous drawing holes (not shown);First extraction tube 13 is generally Spiral uprising shape;Extraction unit 1 further includes having the second extraction tube 15 of second inner chamber 151 and being sheathed on outside the second extraction tube 15 The second screen pipe 14;Second screen pipe 14 is set between the first extraction tube 13 and the second extraction tube 15;On second extraction tube 15 Equipped with multiple connection second inner chambers 151 and the second extraneous drawing holes 152;Second extraction tube 15 generally spiral uprising shape;The Two screen pipes 14 are the active carbon cartridge filter for adsorption of DNA PL.A kind of prosthetic appliance of DNAPL contaminated site of the application also wraps Include: first with the first pump intake and the first pump discharge extracts the first of pump 3, the first pump intake of connection and the first extraction tube 13 Delivery pipe 4 and the first return pipe 2 for connecting the first pump discharge.
A kind of prosthetic appliance of DNAPL contaminated site of the application further include: with the second pump intake and the second pump discharge Second extracts the second of the second pump discharge of pump 5, the second delivery pipe 6 of the second pump intake of connection and the second extraction tube 15 and connection Return pipe 10.A kind of prosthetic appliance of DNAPL contaminated site of the application further include: extract pump 3 and second with first respectively and extract The control unit 7 of 5 electrical connection of pump and the rack for being used to support the first extraction pump 3 and the second extraction pump 5 and control unit 7 8, idler wheel 9 is equipped with below rack 8.
A kind of prosthetic appliance of DNAPL contaminated site of the application further includes being set to the first extraction tube 13 and the first screen pipe 11 Between third screen pipe 12, third screen pipe 12 is active carbon cartridge filter for adsorption of DNA PL.In the present embodiment, second Screen pipe 14 includes the second filtration barrel cover 142 that the second filtration barrel body 141 with the second upward opening sets opening with lid, with And the entirety in the second filtration barrel body 141 is in the second active carbon plate 143 of cylindrical toroidal.Third screen pipe 12 includes having The third filtration barrel body 121 and lid of upward third opening set the third filtration barrel cover 122 of third opening, and are set to third mistake Entirety in filter cylinder body 121 is in the third activity carbon plate 123 of cylindrical toroidal.First screen pipe 11 includes the first filtration barrel body 111 With the first filtration barrel cover 112 being covered on the first filtration barrel body 111.First filtration barrel cover 112,142 and of the second filtration barrel cover Be equipped on the corresponding position of third filtration barrel cover 122 through thereon for first extraction tube 13 and the second extraction tube 15 with it is outer The connected perforation hole 16 in boundary.The outer wall of third screen pipe 12 abuts the inner wall of the first screen pipe 11, the outer wall of the first extraction tube 13 Abut the inner wall of third screen pipe 12;The outer wall of second screen pipe 14 abuts the inner wall of the first extraction tube 13, the second extraction tube 15 Outer wall abut the second screen pipe 14 inner wall.The bottom surface of first extraction tube 13 and the second extraction tube 15 is plane, structure benefit In its steady placement.Multiple first drawing holes (not shown) are set to the tube wall of the close third screen pipe 12 of the first extraction tube 13 On;Multiple second drawing holes 152 are set on the tube wall of close second screen pipe 14 of the first extraction tube 13.
In the application, the first screen pipe 11 is for filtering the thick impurity of comparison, the second screen pipe 14 and third screen pipe 12 It is active carbon cartridge filter, for the DNAPL that shuts off, by DNAPL stream on active carbon cartridge filter.In the application, the first return pipe 2 Effect with the second return pipe 10 is for the water recycling for extracting filtering to be driven underground, and can drain into be located at and extract near drilling well In back water well, reflux cycle is carried out by soil permeability.
In the application, the effect of the helical structure of the first extraction tube 13 and the second extraction tube 15 includes: on the one hand spiral knot Structure can generate vortex, convenient for increasing the residence time that water flow passes through cartridge filter, improve filter effect;On the other hand, drawing holes It is abutted with screen pipe, and drawing holes is uniformly distributed from top to bottom, in the case where extracting pump work, extraction is generated at drawing holes Suction can accelerate the speed for penetrating chimney filter of raw water, promote filtering, improve osmotic effect.In the application, active carbon plate is one When replacement, filtration barrel cover is opened for body structure, is taken out former active carbon plate, is reentered into new active carbon plate, replacement is convenient Fast.
It is specifically described a kind of assemble method of the prosthetic appliance of DNAPL contaminated site of the application below: by the second cartridge filter Lid 142 is opened, and the second extraction tube 15 is put into the second filtration barrel body 141 of the second screen pipe 14;By third filtration barrel cover 122 It opens, then the second screen pipe 14 is placed in the third filtration barrel body 121 of third screen pipe 12, then the second extraction tube 15 is placed on Between second screen pipe 14 and third screen pipe 12;First filtration barrel cover 112 is opened, then third screen pipe 12 is placed in first In first filtration barrel body 111 of screen pipe 11;Then respectively by the second filtration barrel cover 142, third filtration barrel cover 122, the first mistake Filtering cartridge lid 112 covers.
It is specifically described a kind of application method of the prosthetic appliance of DNAPL contaminated site of the application below: in use, will complete A kind of prosthetic appliance of DNAPL contaminated site of the application of assembling is placed in drilling well.Scheme one: only pump 3 is extracted in starting first, former Water is penetrated into from a kind of side wall of prosthetic appliance of DNAPL contaminated site of the application, is successively filtered by the first screen pipe 11, third After pipe 12, extracted out by the first extraction tube 13.Scheme two: only pump 5 is extracted in starting second, and raw water can be dirty from a kind of DNAPL of the application The side wall for contaminating the prosthetic appliance in place penetrates into, and successively passes through the pipe of the first screen pipe 11, third screen pipe 12, the first extraction tube 13 Between extracted out by the second extraction tube 15 after gap, the second screen pipe 14.The filter effect of scheme two is better than scheme one, but spends the time It is longer, it can be selected according to specific requirements.
Compared with the relevant technologies, a kind of prosthetic appliance of DNAPL contaminated site of the application can realize the mistake of DNAPL in underground Filter, will extract and the process of filtering carries out simultaneously, shortens the activity duration, has simplified equipment.Convenient for being realized to DNAPL Pollution Field It repairs.
The present invention is not limited to the above-described embodiments, anyone can obtain other various forms under the inspiration of the present invention Product, it is all that there is technical side identical or similar to the present application however, make any variation in its shape or structure Case is within the scope of the present invention.

Claims (10)

1. a kind of prosthetic appliance of DNAPL contaminated site, including extraction unit, which is characterized in that the extraction unit includes tool There are the first extraction tube of first inner chamber and the first screen pipe being sheathed on outside first extraction tube;It is set on first extraction tube There are multiple connections first inner chamber and the first extraneous drawing holes;First extraction tube generally spiral uprising shape;It is described Extraction unit further includes second extraction tube with second inner chamber and the second screen pipe being sheathed on outside second extraction tube;Institute The second screen pipe is stated to be set between first extraction tube and second extraction tube;Second extraction tube is equipped with multiple companies Lead to the second inner chamber and the second extraneous drawing holes;Second extraction tube generally spiral uprising shape;Second filtering Pipe is the active carbon cartridge filter for adsorption of DNA PL.
2. the prosthetic appliance of DNAPL contaminated site according to claim 1, which is characterized in that the DNAPL contaminated site Prosthetic appliance further include third screen pipe set between first extraction tube and first screen pipe, the third mistake Chimney filter is the active carbon cartridge filter for adsorption of DNA PL.
3. the prosthetic appliance of DNAPL contaminated site according to claim 2, which is characterized in that the second screen pipe packet It includes the second filtration barrel body and lid with the second upward opening and sets the second filtration barrel cover of the opening, and be set to described the The intracorporal entirety of two cartridge filters is in the second active carbon plate of cylindrical toroidal.
4. the prosthetic appliance of DNAPL contaminated site according to claim 3, which is characterized in that the third screen pipe packet It includes third filtration barrel body and lid with upward third opening and sets the third filtration barrel cover of the third opening, and be set to institute State the third activity carbon plate that the intracorporal entirety of third cartridge filter is in cylindrical toroidal.
5. the prosthetic appliance of DNAPL contaminated site according to claim 4, which is characterized in that the first screen pipe packet The first filtration barrel cover for including the first filtration barrel body and being covered on first filtration barrel body.
6. the prosthetic appliance of DNAPL contaminated site according to claim 5, which is characterized in that first filtration barrel cover, It is equipped on the corresponding position of second filtration barrel cover and the third filtration barrel cover through thereon for the first extraction tube The perforation hole being connected with the second extraction tube with the external world.
7. the prosthetic appliance of DNAPL contaminated site according to claim 6, which is characterized in that the third screen pipe Outer wall abuts the inner wall of first screen pipe, and the outer wall of first extraction tube abuts the inner wall of the third screen pipe;Institute The outer wall for stating the second screen pipe abuts the inner wall of first extraction tube, and the outer wall of second extraction tube abuts second mistake The inner wall of chimney filter;The bottom surface of first extraction tube and second extraction tube is plane.
8. the prosthetic appliance of DNAPL contaminated site according to claim 7, which is characterized in that multiple described first extract Hole is set on the tube wall of the close third filter element of first extraction tube;Multiple second drawing holes are set to described On the tube wall of close second screen pipe of first extraction tube.
9. the prosthetic appliance of DNAPL contaminated site according to claim 1-8, which is characterized in that the DNAPL The prosthetic appliance of contaminated site further include: first with the first pump intake and the first pump discharge extracts pump, connects described first First return pipe of the first delivery pipe and connection first pump discharge of pump intake and the first extraction tube;The DNAPL is dirty Contaminate the prosthetic appliance in place further include: second with the second pump intake and the second pump discharge extracts pump, connects second pump Second return pipe of the second delivery pipe and connection second pump discharge of entrance and the second extraction tube.
10. the prosthetic appliance of DNAPL contaminated site according to claim 9, which is characterized in that the DNAPL Pollution Field The prosthetic appliance on ground further include: extracted respectively with described first pump and described second extract pump the control unit that is electrically connected and It is used to support the described first rack for extracting pump and the second extraction pump and control unit, is equipped with rolling below the rack Wheel.
CN201811468353.9A 2018-12-03 2018-12-03 Repair equipment for DNAPL contaminated sites Active CN109437422B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811468353.9A CN109437422B (en) 2018-12-03 2018-12-03 Repair equipment for DNAPL contaminated sites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811468353.9A CN109437422B (en) 2018-12-03 2018-12-03 Repair equipment for DNAPL contaminated sites

Publications (2)

Publication Number Publication Date
CN109437422A true CN109437422A (en) 2019-03-08
CN109437422B CN109437422B (en) 2023-12-29

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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6041863A (en) * 1997-06-05 2000-03-28 Lindsey; William B. Method of passive remediation of D.N.A.P.L.'s from groundwater remediation wells
CN2797474Y (en) * 2005-01-19 2006-07-19 冯太和 Sewage filtering taking equipment
JP2006326397A (en) * 2005-05-23 2006-12-07 Nishimatsu Constr Co Ltd System and method for purification of contaminated ground
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CN202466645U (en) * 2012-01-17 2012-10-03 常州市环境科学研究院 Extraction-recharge well applied to restoration work of polluted underground water on site
CN204939045U (en) * 2015-06-25 2016-01-06 厦门智蓝环保科技有限公司 A kind of flexible pipe with sterilizing function
CN105776361A (en) * 2014-12-24 2016-07-20 环境保护部南京环境科学研究所 DNAPL-polluted underground water in-situ remediation system and application method thereof
CN106986491A (en) * 2017-05-29 2017-07-28 陈文华 A kind of good household water filter of purifying water effect
CN206382322U (en) * 2016-12-28 2017-08-08 宝航环境修复有限公司 A kind of DNAPL contaminated sites extract timing prosthetic device
CN107098488A (en) * 2017-04-15 2017-08-29 江苏龙腾工程设计股份有限公司 Swirl-type filter and its method for purifying sewage
CN206654807U (en) * 2017-04-20 2017-11-21 兰州石化职业技术学院 A kind of coal chemical industry sewage processing unit
CN107720994A (en) * 2017-10-26 2018-02-23 郑州仁宏医药科技有限公司 Portable urban rainwater collection system
CN107963745A (en) * 2017-11-28 2018-04-27 天津蓝天环科环境科技股份有限公司 Organic polluting water extracts processing system in underground water
CN207538113U (en) * 2017-10-24 2018-06-26 刘艳艳 A kind of rainwater-collecting cistern
CN209352657U (en) * 2018-12-03 2019-09-06 环境保护部环境规划院 A kind of prosthetic appliance of DNAPL contaminated site

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6041863A (en) * 1997-06-05 2000-03-28 Lindsey; William B. Method of passive remediation of D.N.A.P.L.'s from groundwater remediation wells
CN2797474Y (en) * 2005-01-19 2006-07-19 冯太和 Sewage filtering taking equipment
JP2006326397A (en) * 2005-05-23 2006-12-07 Nishimatsu Constr Co Ltd System and method for purification of contaminated ground
CN201551877U (en) * 2009-11-24 2010-08-18 新疆德安环保科技有限公司 Water treatment filter device
CN202466645U (en) * 2012-01-17 2012-10-03 常州市环境科学研究院 Extraction-recharge well applied to restoration work of polluted underground water on site
CN105776361A (en) * 2014-12-24 2016-07-20 环境保护部南京环境科学研究所 DNAPL-polluted underground water in-situ remediation system and application method thereof
CN204939045U (en) * 2015-06-25 2016-01-06 厦门智蓝环保科技有限公司 A kind of flexible pipe with sterilizing function
CN206382322U (en) * 2016-12-28 2017-08-08 宝航环境修复有限公司 A kind of DNAPL contaminated sites extract timing prosthetic device
CN107098488A (en) * 2017-04-15 2017-08-29 江苏龙腾工程设计股份有限公司 Swirl-type filter and its method for purifying sewage
CN206654807U (en) * 2017-04-20 2017-11-21 兰州石化职业技术学院 A kind of coal chemical industry sewage processing unit
CN106986491A (en) * 2017-05-29 2017-07-28 陈文华 A kind of good household water filter of purifying water effect
CN207538113U (en) * 2017-10-24 2018-06-26 刘艳艳 A kind of rainwater-collecting cistern
CN107720994A (en) * 2017-10-26 2018-02-23 郑州仁宏医药科技有限公司 Portable urban rainwater collection system
CN107963745A (en) * 2017-11-28 2018-04-27 天津蓝天环科环境科技股份有限公司 Organic polluting water extracts processing system in underground water
CN209352657U (en) * 2018-12-03 2019-09-06 环境保护部环境规划院 A kind of prosthetic appliance of DNAPL contaminated site

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