CN206168942U - Prosthetic devices of polluted soil earth and groundwater - Google Patents
Prosthetic devices of polluted soil earth and groundwater Download PDFInfo
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- CN206168942U CN206168942U CN201621167944.9U CN201621167944U CN206168942U CN 206168942 U CN206168942 U CN 206168942U CN 201621167944 U CN201621167944 U CN 201621167944U CN 206168942 U CN206168942 U CN 206168942U
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- electrode
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- reactive barrier
- reaction wall
- automatic water
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Abstract
The utility model discloses a prosthetic devices of polluted soil earth and groundwater, including electrokinetic remediation system and automatic water replenishing system, the electrokinetic remediation system includes flat -plate -shaped positive pole and the negative pole that links to each other with DC power supply, automatic water replenishing system includes electrolyte storage tank, its characterized in that: still include a permeability reactive barrier system, this permeability reactive barrier system includes a plurality ofly and electrode parallel arrangement's an electrode permeability reactive barrier and the ground permeability reactive barrier of a ground coverage, permeability reactive barrier system still including be responsible for and positive pole and electrode between the regional water distributor that links to each other of permeability reactive barrier. The utility model discloses prosthetic devices combines electrokinetic remediation and permeability reactive barrier system, has reduced the installation quantity of electrode, has shortened the migration distance of pollutant, has realized the automatic of electrolyte and has supplyed, can steady in a long -termly move, is the in -situ remediation technique that has very much the application promotion prospect to polluted soil earth and groundwater.
Description
Technical field
The utility model is related to a kind of contaminated soil in-situ treatment device, and especially designing a kind of electronic and Zero-valent Iron can ooze
The device of permeability reaction wall combine d bioremediation contaminated soil and underground water, belongs to environmental protection and prevention and cure of pollution and improvement field.
Background technology
Electric repairing technique is a kind of green in-situ recovery technique repaired to contaminated soil and underground water, Ke Yiyong
To remove the organic pollution in soil and groundwater and heavy metal.Compared with traditional recovery technique, electric repairing technique tool
The advantages of selective high, simple to operate, operating cost is low and is not limited with hypotonicity by soil heterogeneity, therefore in recent years
To quickly grow.
In actual applications, electro reclamation there is also problems, and such as electrode gap is too short, cause to install number of electrodes
It is many, electrode high cost；Electric field action causes the different degrees of dehydration of soil, and electrolyte moisturizing circulation system complex；Additionally deposit
Electric field it is uneven, repair time is long the problems such as.
Utility model content
Technical problem to be solved in the utility model is directed to above-mentioned the deficiencies in the prior art, and providing one kind can protect
Holding uniform electric field can effectively reduce electrode installation number again, while being each several part in anode region and soil by Action of Gravity Field
There is provided moisture, installation operation is convenient, can the effectively contaminated soil of reducing energy consumption and underground water prosthetic device.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
The prosthetic device of a kind of contaminated soil and underground water, including electro reclamation system and automatic water replenishing system, the electricity
Dynamic repair system includes the tabular anode and negative electrode that are connected with dc source, and the automatic water replenishing system is stored up including electrolyte
Tank, it is characterised in that：Also include a permeable reaction wall system, the permeable reaction wall system includes multiple flat with electrode
Permeable reaction wall and a ground permeable reaction wall for covered ground, the automatic water supplement system between the electrode of row arrangement
System also includes supervisor and the water distributor that permeable reaction wall region is connected between anode and electrode.
The automatic water replenishing system electrolyte storage tank is located at cathode zone in the middle of restoring area, the supervisor Chaoyang being attached thereto
Extreme direction is in tilted layout, and angle of inclination is 5-15 °.
The electro reclamation system anode and negative electrode material can be stainless steel, graphite, conductive fiber or carbon granules etc..
The battery lead plate of the power driven system is connected by welding leading-in terminal with dc source.
The electro reclamation system electrode plate electrode is located at Polluted area two ends, and using two anodes at two ends, negative electrode is in
Between parallel arrangement.
The voltage gradient of the electro reclamation system is 10-50 V/m.
The permeable reaction wall is located in the middle of Polluted area, and the ditch with one fixed width and depth is formed by excavating
Or groove, arranged in parallel between anode and cathode battery lead plate, groove width is 0.05-0.5 m, and length and depth are according to reparation place feelings
Condition determines that ditch separation is 1.5-3 m, and level covering permeable reaction wall is laid in ground, and thickness is 0.05-0.5 m.
The permeable reaction wall filler is Fe0, zeolite and sorbing material, wherein sorbing material can be kaolin, swollen
Profit soil and activated carbon etc..
The automatic water replenishing system anolyte storage tank is located at cathode zone in the middle of restoring area, the supervisor court being attached thereto
Anode direction is in tilted layout, and angle of inclination is 5-15 °, and water distributor is connected with anode and permeable reaction wall region respectively.
The automatic water replenishing system pipeline is arranged using land burial mode.
The beneficial effects of the utility model are：
1. uniform electric field can be provided by plate electrode arrangement, eliminate Spot electrodes and arrange to form spindle electricity
The problem of field.
2. multiple permeable reaction walls are set by two electrode zone lines, effectively reduce the installation number of electrode
Amount, and reduce the migration distance of pollutant, make pollutant be easier to be adsorbed in permeable reaction wall region, it is fixed and
Degraded.Meanwhile, to repair and terminate to close after electric field, permeable reaction wall can still be repaired to residual contaminants.On ground
The permeable reaction wall of covering can prevent pollutant in soil from outwards volatilizing.
3. arrangement is buried by the inclination of electrolyte water distributor, electrolyte can be automatically replenished in anode by Action of Gravity Field
With each region of soil, energy consumption is effectively saved, without carrying out operation maintenance.
4. after this system is deployed, the normal activity on soil top is not influenceed, be capable of achieving permanently effective operation, be
A kind of original position soil having wide application prospects and groundwater remediation device.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device.
1. dc source, 2. anode, 3. negative electrode, 4. wire, 5. permeable reaction wall between electrode, 6. ground
Permeable reaction wall, 7. electrolyte storage tank, is 8. responsible for, 9. water distributor.
Specific embodiment
The utility model device is further described in detail and/or explained with specific embodiment below in conjunction with the accompanying drawings
State.
Embodiment 1：
A kind of prosthetic device of contaminated soil and underground water, including electro reclamation system, permeable reaction wall system and
Automatic water replenishing system.Electro reclamation system includes the tabular anode 2 and negative electrode 3 that are connected with dc source 1, and anode and cathode is by leading
Line 4 is connected with dc source 1.Permeability is anti-between permeable reaction device system includes the electrode that multiple and electrode runs parallel is arranged
Answer the ground permeable reaction wall 6 of wall 5 and a covered ground.Automatic water replenishing system includes being connected with anolyte storage tank 7
Supervisor 8 and the region of permeable reaction wall 5 is connected between anode and electrode water distributor 9.
Embodiment 2：
Using the device of embodiment 1, by taking in-situ immobilization organic polluted soil and underground water as an example, organic polluted soil is carried out
With the electronic and Zero-valent Iron permeable reaction wall combine d bioremediation of underground water.It is comprised the following steps that：
（1）Selection restoring area, excavates mode and excavates parallel arrangement groove with direct-push, and groove width is 0.05-0.5
M, spacing is 1.5-3 m, and length and depth determine according to place situation is repaired.
（2）At two ends, groove installs stainless steel electrode plate as anode, and stainless steel electrode plate conduct is installed in middle groove
Negative electrode, welding leading-in terminal is connected by wire with dc source on stainless steel electrode.
（3）By Fe0, zeolite and kaolin press 1:1:Permeable reaction wall ditch in the middle of two electrodes is inserted in 2 ratio mixing
Groove.
（4）Electrolyte supervisor and water distributor are installed in anode and each permeable reaction wall top, supervisor inclines towards anode
Rake angle is 15 °, and each water distributor inserts permeable reaction wall position directly above.
（5）Electrode and each permeable reaction wall groove are filled and one layer of permeable reaction is covered on the ground
Wall, thickness is 0.05-0.5 m.
（6）Switch on power, periodically electrolyte storage tank is supplemented.
（7）After reparation is finished, power-supply system is removed, permeable reaction wall system can carry out lasting reparation.
Claims (4)
1. a kind of prosthetic device of contaminated soil and underground water, including electro reclamation system and automatic water replenishing system, it is described electronic
Repair system includes the tabular anode and negative electrode that are connected with dc source, and the automatic water replenishing system includes electrolyte storage tank,
It is characterized in that：Also include a permeable reaction wall system, the permeable reaction wall system includes multiple and electrode runs parallel
Permeable reaction wall and a ground permeable reaction wall for covered ground, the automatic water replenishing system between the electrode of arrangement
Also include supervisor and the water distributor that permeable reaction wall region is connected between anode and electrode.
2. device according to claim 1, it is characterised in that：The electro reclamation system electrode plate electrode is located at contaminated area
Domain two ends, using two anodes at two ends, negative electrode is in middle parallel arrangement.
3. device according to claim 2, it is characterised in that：The automatic water replenishing system electrolyte storage tank is located at repairs area
Cathode zone in the middle of domain, the supervisor being attached thereto is in tilted layout towards anode direction, and angle of inclination is 5-15 °.
4. device according to claim 1, it is characterised in that：The automatic water replenishing system pipeline uses land burial mode
Arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167944.9U CN206168942U (en) | 2016-11-02 | 2016-11-02 | Prosthetic devices of polluted soil earth and groundwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167944.9U CN206168942U (en) | 2016-11-02 | 2016-11-02 | Prosthetic devices of polluted soil earth and groundwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206168942U true CN206168942U (en) | 2017-05-17 |
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ID=58680176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621167944.9U Active CN206168942U (en) | 2016-11-02 | 2016-11-02 | Prosthetic devices of polluted soil earth and groundwater |
Country Status (1)
| Country | Link |
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| CN (1) | CN206168942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369481A (en) * | 2019-07-02 | 2019-10-25 | 南华大学上虞高等研究院有限公司 | A kind of reparation of uranium contaminated soil multistage pre-buried packet and its application method |
-
2016
- 2016-11-02 CN CN201621167944.9U patent/CN206168942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369481A (en) * | 2019-07-02 | 2019-10-25 | 南华大学上虞高等研究院有限公司 | A kind of reparation of uranium contaminated soil multistage pre-buried packet and its application method |
| CN110369481B (en) * | 2019-07-02 | 2021-11-09 | 南华大学上虞高等研究院有限公司 | Embedded package for multistage remediation of uranium-contaminated soil and use method thereof |
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