CN207325582U - A kind of electric power soil repair system based on solar energy - Google Patents
A kind of electric power soil repair system based on solar energy Download PDFInfo
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- CN207325582U CN207325582U CN201721036613.6U CN201721036613U CN207325582U CN 207325582 U CN207325582 U CN 207325582U CN 201721036613 U CN201721036613 U CN 201721036613U CN 207325582 U CN207325582 U CN 207325582U
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Abstract
The utility model discloses a kind of electric power soil repair system based on solar energy, including solar power system and Electroremediation system, Electroremediation system includes DC power source unit and reaction member, solar power system is installed on disposal field earth's surface and is connected with DC power source unit, the anode stub of reaction member is placed in the anode well that earth's surface extends downwardly, the cathode bar of reaction member is placed in the cathode well that earth's surface extends downwardly, and electrolyte is filled with anode well and cathode well.The electric power soil repair system based on solar energy of the utility model produces power supply using solar power generation, and the electric power of cleaning, environmental protection is provided for Electroremediation equipment, effectively solves the higher prior art problem of electric power soil remediation consumption electric energy.
Description
Technical field
It the utility model is related to soil remediation field, more particularly to a kind of electric power soil remediation system based on solar energy
System.
Background technology
Due to the harmfulness and particularity of heavy metal pollution, the recovery technique of heavy-metal contaminated soil has become global ring
One of the research hotspot in border scientific and engineering field.In recent years, contaminated soil remediation technology and engineering development quickly, especially in Europe
Mei Deng developed countries, as point-source pollution is gradually controlled, the reparation of contaminated soil and underground water has placed on the agenda,
They pay much attention to develop, develop soil and underground water pollution control, the technology of reparation, especially carry out contaminated soil remediation
Technological innovation is improved with method.1994, initiated by the U.S. and set up " global soil reparation network ", indicate Polluted Soil
The reparation of earth has become one of field of world's common concern.The detergent power and speed of soil itself usually can not meet dirt
Contaminate to pressure caused by environment, people start to pay attention to the research of remediation contaminated soil and recovery technique.Contaminated soil remediation it is general
Reading can usually be interpreted as promoting its basic function of contaminated soil restoration by technological means and rebuild the process of productivity.
The restorative procedure and species of contaminated soil are a lot of, from the principle of reparation come consider to be broadly divided into physical method, chemical method with
And biological method three major types.However, in repairing and putting into practice, people are difficult that this is by physics, chemistry and biological prosthetic well-separated
Because the reaction occurred in soil is sufficiently complex, each reaction substantially contains physics, chemistry and biology process,
Thus above-mentioned classification is only a kind of opposite division.The key underlying principle of heavy metal pollution of soil reparation mainly has following several
Kind：Change the existing forms of pollutant in the soil, reduce its biological effectiveness, such as apply modifying agent, immobilization technology, portion
Dividing microorganism remediation, (using pseudomonas aeruginosa reduction chromium (VI), such technology disadvantage is that heavy metal contaminants are still deposited
In soil, still have potentially hazardous；Change pollutant existing way in the soil, make heavy metal contaminants into becoming a mandarin
Dynamic phase, is separated by separation of solid and liquid or solid and gas, so as to achieve the purpose that to remove heavy metal contaminants, as hot repair is multiple, chemistry extraction
Take, gas phase extracting, Electroremediation, the technology such as bioleaching；Using solar energy, pass through heavy metal contaminants by biological energy source
The material of the ecosystem is circulated to be entered in organism from soil, is reaching removing heavy metals by the specially treated to organism
The purpose of pollutant, such as phytoremediation, but often plant is short and small for hyperaccumulative plant in phytoremediation, biomass is relatively low, growth
Speed is slow, and growth cycle length, since root system is shallower poor to deep soil pollution amelioration ability, is not easy to large-scale application.Mesh
Before, domestic heavy metal pollution recovery technique simply changes form existing for heavy metal based on stabilizing, cure, and reduces
Its biological effectiveness, such as applies modifying agent, immobilization technology, part microorganism remediation and (utilizes pseudomonas aeruginosa reduction chromium
(VI), such technology disadvantage is that heavy metal contaminants are still present in soil, is still had potentially hazardous.
Soil electro reclamation is a new economical soil restoring technology, it is integrated agriculture chemistry, Environmental Chemistry, electricity
Chemistry and soil chemistry etc. and the crossing research field formed, Electroremediation be also referred to as electricity repair, electric power soil mistake
Journey and soil electrochemistry pollution control.It has the advantages that following three is big：Heavy metal contaminants can reuse；Expense is both economical and locates
Reason is thorough；Soil need to be handled by being not required to excavation.Mainly by applying direct current swaging in the electrolytic cell both sides comprising contaminated soil
Into electric-force gradient, the polluter in soil is brought to positioned at electrolytic cell both sides by the approach of electromigration, electroosmotic flow or electrophoresis
Process chamber in and by further handling subtract dirty or cleaning so as to fulfill contaminated soil sample.Its object either
Inorganic pollution can also be the soil of organic pollution.But the technology there are power consumption it is higher the problem of, therefore and it is not deployed should
With.
Utility model content
The utility model aim is to provide a kind of electric power soil repair system based on solar energy, to solve electric power
The higher prior art problem of soil remediation consumption electric energy.
To achieve the above object, the utility model provides a kind of electric power soil repair system based on solar energy, bag
Solar power system and Electroremediation system are included, Electroremediation system includes DC power source unit and reaction member, too
It is positive can electricity generation system be installed on disposal field earth's surface and be connected with DC power source unit, the anode of reaction member be placed in perpendicular to
In the downward anode well of earth's surface, the cathode of reaction member is placed in the downward cathode well of earth's surface, anode well and cathode
Electrolyte is filled with well.
Further, anode well and the reaction surface of cathode well are provided with two layers of perforated plate, and one is set between two layers of perforated plate
Leafing proton exchange, anode well are arranged to dielectric spacer layer with the face that isolates of cathode well.
Further, solar power system includes solar cell array, controller and storage battery, solar cell side
Battle array is installed on disposal field earth's surface and is connected with controller, and storage battery is connected to store solar cell by conducting wire with controller
The electric energy that sunlight is converted into by square formation, storage battery are connected by conducting wire with the DC power source unit of Electroremediation system.
Further, the cathode material of reaction member is graphite electrode, and the anode material of reaction member is graphite or irony
Material.
Further, DC power source unit is also connected with municipal electric system.
The utility model has the advantages that：
1st, the power supply of solar power system and municipal electric power can be received at the same time, can in the light of actual conditions be switched.
2nd, solar power system has storage function, can in advance be installed in place before implementation is repaired, utilize the sun
Energy electricity generation system ensure that the electricity consumption needs of Electroremediation equipment.
3rd, service life is grown, and has the function of repeatable utilize.The service life of solar power system reaches 3-5, because
And after treating a project governance, solar power system can be pulled down, transporting next rehablitation project and reinstalling makes
With.
4th, the system has the characteristics that low-carbon environment-friendly, cleaning remove removing heavy metals.The system is accomplished using solar powered
Low-carbon environment-friendly, meanwhile, Electroremediation can go out the heavy metal transformation in soil near soil or enrichment and cathode, so as to
The heavy metal in soil is enough removed, is produced " cleaning soil ".
5th, the heavy metal of enrichment can be handled further, recycle valuable metal, for example can be sent into the smelting of heavy metal recovery
Enterprise, carries out heavy metal therein smelting recycling, and the heavy metal of Enriching soil can reach more than 5g/kg after Electroremediation,
Meet the needs for smelting heavy metal recovery.
6th, it is widely used, available for reparation inorganic pollution, organic contamination and heavy metal pollution, while can also be arranged with other
Apply and be jointly formed group technology, meet different improvement demands.
Below with reference to accompanying drawings, the utility model is described in further detail.
Brief description of the drawings
The attached drawing for forming the part of the application is used to provide a further understanding of the present invention, the utility model
Schematic description and description is used to explain the utility model, does not form the improper restriction to the utility model.In attached drawing
In：
Fig. 1 is a kind of electric power soil repair system based on solar energy of the preferred embodiment in the utility model.
Embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Referring to Fig. 1, the utility model provide firstly a kind of electric power soil repair system based on solar energy, including too
Positive energy electricity generation system 1 and Electroremediation system 2, Electroremediation system 2 include DC power source unit 201 and reaction member
202, solar power system 1 is installed on disposal field earth's surface and is connected with DC power source unit 201, the sun of reaction member 202
Pole is placed in the downward anode well of earth's surface, and the cathode of reaction member 202 is placed in perpendicular to the downward cathode of earth's surface
In well, electrolyte is filled with anode well and cathode well.Solar power system 1 receives sunlight and is converted into electric energy, and leads to
Cross conducting wire and be connected to Electroremediation system 2 to power for Electroremediation system 2.Contaminated soil is placed in reaction member 202,
Under the action of electric field force, anion is migrated toward anode, and cation is toward cathodic migration.Under normal circumstances heavy metal ion for just from
Son, thus, heavy metal ion can be enriched with cathode zone or enter in catholyte, so as to be removed from former contaminated soil
Part heavy metal ion, reduces the content of harmful heavy metal ions in soil.Treat heavy metal ion enrichment to cathode zone or
After catholyte, each regional soil is detected, is met after repairing target, Electroremediation terminates.To heavy metal accumulation
Area's soil or catholyte carry out subsequent treatment after collecting." cleaning soil " up to standard is repaired then in time at backfill in situ
Reason.The position of anode well and cathode well is related mainly with connecting the polarity of electrode of DC power supply without particular/special requirement, can be according to
The form of matrix（One row's anode, one row's cathode separation is arranged）, also can be according to rectangular arrangement（Anode and cathode concentrate on two respectively
The mode of side）, or circular arrangement（Cathode is in center, arrangement of the anode in surrounding）.Can according to different places into
Row arrangement.
Further, anode well and the reaction surface of cathode well are provided with two layers of perforated plate, and one is set between two layers of perforated plate
Leafing proton exchange, anode well are arranged to dielectric spacer layer with the face that isolates of cathode well.Reaction surface is to carry out electric power
During reparation, ion enters the side borehole wall of electrolyte by the borehole wall.Reaction surface is typically to set two layers of Perforated clapboard, number of perforating
Amount and size are depending on actual conditions and design.One leafing proton exchange is set between Perforated clapboard, can cause ion
Pass through and aqueous solution cannot pass through, this guarantees in the soil that electrolyte will not penetrate into reaction member, ensure at the same time
Metal ion transport passage it is smooth.The effect for setting two layers of perforated plate is protection amberplex.And other three faces
The borehole wall is then the insulating materials for having densification, and such as fiberglass material forms, it is ensured that electrolyte does not leak.
Further, solar power system 1 includes solar cell array 101, controller 102 and storage battery 103, too
Positive energy battery array 101 is installed on upper soll layer and is connected with controller 102, and storage battery 103 is connected by conducting wire and controller 102
Connect to store the electric energy that solar cell array 101 converts sunlight into, storage battery 103 passes through conducting wire and Electroremediation system
The DC power source unit 201 of system 2 connects.Solar power system 1 has storage function, can be pre- in place before implementation is repaired
First install, can ensure the electricity consumption needs of Electroremediation system 2 using solar power system 1.Solar power system 1
Service life reaches 3-5, after a project governance, can pull down solar power system 1, transport next repair
Multiple project reinstalls to use.
Further, Electroremediation system 2 further includes circulating pump 203, and circulating pump 203 is installed on cathode Jing Jingkouchu use
Electrolyte is circulated so as to later collection processing in cathode well.Control system is by controlling cable and DC power supply, following
Ring pump 203 is connected, and controls the connecting and disconnecting of DC power supply, in addition changes always according to the coherent detection index of electrolyte, control
The start and stop of circulating pump processed.It can be facilitated using circulating pump and electrolyte is replaced.
Further, the cathode material of reaction member 202 is graphite electrode, and the anode material of reaction member 202 is graphite
Or ferrous material.Graphite material belongs to inert material, will not dissolve, and price is low, and raw material is sufficient, and electrolysis industry application is wide
It is general.Need to do anode using ferrous material in special circumstances, ferrous material can produce ferrous ion, reducing agent be formed, with pollution
Redox reaction occurs for thing, reduces the innocuousness of polluter, achievees the purpose that processing pollution.And due to graphite electrode power consumption
Can be less, pollution rate is relatively low, and the power consumption of Electroremediation system 2 can further be reduced by using it for Electroremediation system 2
Amount.
Electrolyte is aqueous solution or acid solution.Electrolyte can be configured according to processing target contaminant.Polluting
In the case of lesser extent, electrolyte is done using aqueous solution and disclosure satisfy that technological requirement, while aqueous solution is relatively cheap.Polluting
In the case that degree is heavier, in order to meet the requirement of technique, using acid solution, the hydroxyl that cathode produces can be neutralized in time
Ion（OH-）, prevent from polluting migration because pH value rising causes heavy metal that precipitation reaction occurs in the soil, ensure electro reclamation
Effect.
Further, DC power source unit 201 is also connected with municipal electric system.For small-scale heavy metal polluted soil
Earth rehablitation project, since recovery project amount is little, power consumption is small, it is possible to achieve 100% is powered by solar power system 1.For
Larger soil remediation project, then can realize that 50% or so electric power comes self-generating system station, therefore dump power needs
Obtained by accessing municipal electric system.
The electric power soil repair system based on solar energy of the utility model produces power supply using solar power generation, for electricity
Power prosthetic appliance provides cleaning, the electric power of environmental protection.Soil Electroremediation technology passes through in the electrolytic cell comprising contaminated soil
Both sides apply DC voltage and form electric-force gradient, the approach quilt that the polluter in soil passes through electromigration, electroosmotic flow or electrophoresis
Take in the process chamber of electrolytic cell both sides and dirty or clear so as to fulfill subtracting for contaminated soil sample by further handling
It is clean, have heavy metal contaminants can reuse, expense be both economical and processing thoroughly, be not required to excavation and need to handle soil, remediation efficiency
The series of advantages such as height, convenient post-treatment, particularly have extraordinary answer in processing point-source pollution and sudden accident etc.
Use prospect.
The utility model implementation process is specifically described below by case：
Assuming that one piece is repaired with lead and the soil of cadmium pollution, 600 square meter of repaired area, 0.5 meter of depth.
The first step, carries out top layer cleaning to soil, removes the debris such as vegetation and stone.Meanwhile one piece of improvement land used delimited,
Installation solar power system 1 in advance, i.e. solar cell array 101, controller 102 and storage battery 103 and line related connect
Connect, so that power generation and electric power storage are realized in solar power plant while other preparations carry out.
Second step, according to pollution surveys report early period, carries out partition to restoring area according to construction drawing and numbers.
3rd step, carries out restoring area soil excavation and crushes and be temporarily stored into pending district after screening out stone.Screen out
The debris such as the stone come are then together handled with top layer cleaning debris.
4th step, is measured the pH and moisture of soil, understands the situation of process object, while using a hand-held huge sum of money
Belong to fast detector and detection heavy metal concentration is sampled to process object, the pH of the before processing of record processing batch, moisture, again
Metal species and concentration.Soil pH and moisture are adjusted, are allowed to meet Electroremediation technological requirement.
5th step, will be sent into the soil chamber of Electroremediation system 2 by the soil of above-mentioned pretreatment, check circuit and each
The state of a equipment, after confirmation is errorless, opens the power switch of solar power system 1, is powered and starts Electroremediation link,
Record the time.In reparation process, the electrolyte in electrolytic cell is circulated using circulating pump, improves electrokinetic remediation efficiency.
PH, moisture, heavy metal concentration, the soil moisture and the magnitude of voltage of each fixed test point position of results of regular determination.What record measured every time
PH, moisture, heavy metal concentration, the soil moisture and magnitude of voltage, judge electro reclamation operation conditions, treat under heavy metal in soil concentration
Drop to when repairing desired value, that is, think to repair up to standard, electro reclamation process terminates, deenergization.
6th step, clears simultaneously backfill in situ in time, according to technical solution and design drawing to repairing " cleaning soil " up to standard
Requirement, generally require and carry out follow-up Ecological Restoration Project.The soil or electrolyte in heavy metal accumulation region are received at the same time
Collection, does subsequent treatment.
So far, the Electroremediation process of this batch contaminated soil terminates, and the contaminated soil remediation of next batch repeats
Above-mentioned flow, after pending soil whole reparation is up to standard, recovery project completion.
It these are only the preferred embodiment of the utility model, be not intended to limit the present invention, for this area
Technical staff for, various modifications and changes may be made to the present invention.Where within the spirit and principles of the present invention,
Any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of electric power soil repair system based on solar energy, it is characterised in that including solar power system（1）And electricity
Power repair system（2）, the Electroremediation system（2）Including DC power source unit（201）And reaction member（202）, institute
State solar power system（1）It is installed on soil place to be repaired earth's surface and and DC power source unit（201）Connection, the direct current
Power supply unit（201）Anode and the reaction member（202）In be placed in the anode well that earth's surface extends downwardly
Anode stub connection, the DC power source unit（201）Cathode and the reaction member（202）In be placed in perpendicular to earth's surface
Cathode bar in the cathode well extended downwardly connects, and electrolyte is filled with the anode well and the cathode well.
A kind of 2. electric power soil repair system based on solar energy according to claim 1, it is characterised in that the sun
Pole well and the reaction surface of the cathode well are provided with two layers of perforated plate, and a leafing proton exchange, institute are set between the perforated plate
The face that isolates that anode well is stated with the cathode well is arranged to dielectric spacer layer.
A kind of 3. electric power soil repair system based on solar energy according to claim 1, it is characterised in that it is described too
Positive energy electricity generation system（1）Including solar cell array（101）, controller（102）And storage battery（103）, the solar-electricity
Pond square formation（101）It is installed on upper soll layer and and controller（102）Connection, the storage battery（103）Pass through conducting wire and the control
Device processed（102）Connect to store solar cell array（101）The electric energy converted sunlight into, the storage battery（103）It is logical
Cross conducting wire and Electroremediation system（2）DC power source unit（201）Connection.
A kind of 4. electric power soil repair system based on solar energy according to claim 1, it is characterised in that the electricity
Power repair system（2）Further include circulating pump（203）, the circulating pump（203）Cathode Jing Jingkouchu is installed on to be used for cathode
Electrolyte is circulated so as to later collection processing in well.
5. a kind of electric power soil repair system based on solar energy according to claim 1, the reaction member（202）
Cathode material be graphite electrode.
6. a kind of electric power soil repair system based on solar energy according to claim 1, the reaction member（202）
Anode material be graphite or irony electrode.
7. according to a kind of any electric power soil repair systems based on solar energy of claim 1-6, the direct current
Source unit（201）Also it is connected with municipal electric system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721036613.6U CN207325582U (en) | 2017-08-18 | 2017-08-18 | A kind of electric power soil repair system based on solar energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721036613.6U CN207325582U (en) | 2017-08-18 | 2017-08-18 | A kind of electric power soil repair system based on solar energy |
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| CN207325582U true CN207325582U (en) | 2018-05-08 |
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| CN201721036613.6U Expired - Fee Related CN207325582U (en) | 2017-08-18 | 2017-08-18 | A kind of electric power soil repair system based on solar energy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723075A (en) * | 2018-05-18 | 2018-11-02 | 青岛理工大学 | A kind of heavy metal polluted soil solar energy electric prosthetic device |
| CN112387777A (en) * | 2020-11-12 | 2021-02-23 | 萧县华恒静电科技有限公司 | Heavy metal soil remediation system and application method thereof |
| CN112921180A (en) * | 2021-01-25 | 2021-06-08 | 中国科学院广州地球化学研究所 | Solar self-powered rare earth recovery device and use method thereof |
| CN113415930A (en) * | 2021-05-17 | 2021-09-21 | 付琦 | Method for treating water and soil pollution by utilizing redundant electric energy of power grid through cooperative operation |
| CN113814266A (en) * | 2021-09-13 | 2021-12-21 | 生态环境部华南环境科学研究所 | Reclaimed aluminum pile point soil pollution risk management and control method based on vertical barrier |
-
2017
- 2017-08-18 CN CN201721036613.6U patent/CN207325582U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723075A (en) * | 2018-05-18 | 2018-11-02 | 青岛理工大学 | A kind of heavy metal polluted soil solar energy electric prosthetic device |
| WO2019218652A1 (en) * | 2018-05-18 | 2019-11-21 | 青岛理工大学 | Solar electrokinetic remediation apparatus for heavy metal contaminated soil |
| CN112387777A (en) * | 2020-11-12 | 2021-02-23 | 萧县华恒静电科技有限公司 | Heavy metal soil remediation system and application method thereof |
| CN112921180A (en) * | 2021-01-25 | 2021-06-08 | 中国科学院广州地球化学研究所 | Solar self-powered rare earth recovery device and use method thereof |
| CN113415930A (en) * | 2021-05-17 | 2021-09-21 | 付琦 | Method for treating water and soil pollution by utilizing redundant electric energy of power grid through cooperative operation |
| CN113814266A (en) * | 2021-09-13 | 2021-12-21 | 生态环境部华南环境科学研究所 | Reclaimed aluminum pile point soil pollution risk management and control method based on vertical barrier |
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Address after: 413000 west 2 garden of Xiaoyuan garden, Heshan Road, Heshan District, Yiyang, Hunan Patentee after: HUNAN TIANYI ENVIRONMENTAL PROTECTION TEC. CO.,LTD. Address before: 413000 Century Towers in Yiyang Hi-tech Zone, Yiyang, Hunan Province, 1701 Patentee before: YIYANG MARRIOTT ENVIRONMENTAL TECHNOLOGY CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20210818 |