CN108405580A - A kind of the electro reclamation system and its restorative procedure in mine - Google Patents
A kind of the electro reclamation system and its restorative procedure in mine Download PDFInfo
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- CN108405580A CN108405580A CN201810135022.7A CN201810135022A CN108405580A CN 108405580 A CN108405580 A CN 108405580A CN 201810135022 A CN201810135022 A CN 201810135022A CN 108405580 A CN108405580 A CN 108405580A
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- collecting pit
- electrode
- contaminated liquid
- mine
- heavy metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to field of environment protection, more particularly to the electro reclamation system and its restorative procedure in a kind of mine, including repairing electrode, contaminated liquid collecting pit, pollute liquid treating system, to heat-extraction system and electrode control system, it is electrically connected with electrode control system to heat-extraction system, the reparation electrode is electrically connected with electrode control system, it is connect respectively with contaminated liquid collecting pit and pollution liquid treating system to heat-extraction system, electrode is repaired to be arranged in contaminated liquid collecting pit, it includes cathode and anode to repair electrode, contaminated liquid collecting pit includes the second collecting pit of the first collecting pit and corresponding anode setting of corresponding cathode setting, the electro reclamation system and its restorative procedure in a kind of mine of the present invention, there is stronger repair ability to the serious soil of heavy metal pollution, with in-situ immobilization, non-secondary pollution, the advantages that simple for process and low floor space of investment is small.
Description
Technical field
The present invention relates to field of environment protection, more particularly to the electro reclamation system and its restorative procedure in a kind of mine.
Background technology
Since the 1980s, with country to mineral resources demand increase sharply and the swift and violent hair of mining industry economics
Exhibition, ecological environment destruction problem caused by due to mining are also on the rise, heavy metal in soil content enrichment, to animals and plants
Health all cause serious threat, be especially in the top mankind of food chain, once excess intake heavy metal, it will to human body
Irreversible damage is generated, or even dead.In addition it has an opencast mining of, not only influences natural landscape, causes environmental pollution, but also
Landslide can be induced, the geological disasters such as soil erosion are caused.Therefore, how to restore and rebuild rudimentary Mine ecology system
Have become the project of countries in the world common concern.Recovery of ecologic environment in a mine be using eco-environment restoration as core, research how basis
Actual conditions, adaptation to local conditions, because mine treats implement mine entironment and resume work, to obtain ecology, economic, society
Best comprehensive benefit can promote the ecology of abandoned mine and economic value to regenerate by ecological recovery.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide electro reclamation system and its reparation in a kind of mine
Method.
To solve the above problems, the present invention provides following technical scheme：
A kind of electro reclamation system in mine, including repair electrode, contaminated liquid collecting pit, pollution liquid treating system, discharge
System and electrode control system are electrically connected to heat-extraction system with electrode control system, the reparation electrode and electrode control system electricity
Connection connect respectively with contaminated liquid collecting pit and pollution liquid treating system to heat-extraction system, repairs electrode setting and collected in contaminated liquid
In pond, it includes cathode and anode to repair electrode, and contaminated liquid collecting pit includes the first collecting pit of corresponding cathode setting and corresponding sun
Second collecting pit of pole setting.
Preferably, the reparation electrode is the combination electrode made of inactive, conductive material.
Preferably, the heavy metal detector for detecting heavy metal concentration, heavy metal are provided in first collecting pit
Detector is electrically connected with electrode control system.
A kind of restorative procedure of the electro reclamation system in mine, this approach includes the following steps：
Step 1：Contaminated liquid collecting pit is built with concrete on the spot at the both ends of mine in repair, and is collected in contaminated liquid
Electrolyte is injected in pond.
Step 2：Electrode control system works to electrode energization is repaired, and electric field is formed between cathode and anode, makees in electric field
Promote the heavy metal cation of anode region to cathodic migration under, and finally penetrate into the first collecting pit, realizes anode
The removal of regional pollution object.
Step 3：When the heavy metal contaminants concentration in the first collecting pit reaches certain value, electrode control system control
To heat-extraction system, the contaminated liquid in the first collecting pit is pumped into pollution liquid treating system by pump to heat-extraction system and is carried out at concentration
Reason.
Preferably, it needs to add anti-precipitation medicament into the first collecting pit during step 2.
Advantageous effect：The present invention a kind of mine electro reclamation system and its restorative procedure, mine in repair two
Contaminated liquid collecting pit is built in end with concrete on the spot, the pollutant for storing migration, and electricity is injected in contaminated liquid collecting pit
Liquid is solved, area to be repaired area can be adjusted according to actual conditions, and such as excessive multizone that is divided into carries out multidomain treat-ment, electrode control
System processed work gives repair electrode be powered, electric field is formed between cathode and anode, the heavy metal sun in contaminated area soil from
Son migrates under the electric field action for repairing electrode towards the first collecting pit, and is finally penetrated into the first collecting pit from pool wall,
Anti- precipitation medicament is added into the first collecting pit in the process for preventing heavy metal cation from being reacted with the hydroxyl of cathode
It generates and precipitates to block soil, when the heavy metal contaminants concentration in the first collecting pit reaches certain value, heavy metal analysis
Pollutant concentration data are sent to electrode control system by instrument, and electrode control system receives control discharge system after concentration data
Contaminated liquid in first collecting pit is pumped into pollution liquid treating system to heat-extraction system by pump and is focused on by system, this
The electro reclamation system and its restorative procedure in a kind of mine of invention have stronger reparation to the serious soil of heavy metal pollution
Ability has many advantages, such as that in-situ immobilization, non-secondary pollution, the simple for process and low floor space of investment are small.
Description of the drawings
Fig. 1 show the block diagram of system of the present invention；
Fig. 2 show the electro reclamation schematic diagram of the present invention；
Reference sign：To heat-extraction system 1, cathode 2, anode 3, the second collecting pit 4, the first collecting pit 5, contaminated liquid processing
System 6.
Specific implementation mode
With reference to the accompanying drawings of the specification and embodiment, specific embodiments of the present invention are described in further detail：
Referring to figs. 1 to a kind of electro reclamation system in mine shown in Fig. 2, including repair electrode, contaminated liquid collecting pit, dirt
Dye liquor processing system 6 gives heat-extraction system 1 and electrode control system, is electrically connected with electrode control system to heat-extraction system 1, the reparation
Electrode is electrically connected with electrode control system, is connect, is repaiied with contaminated liquid collecting pit and pollution liquid treating system 6 respectively to heat-extraction system 1
Overlying electrode is arranged in contaminated liquid collecting pit, and it includes cathode 2 and anode 3 to repair electrode, and contaminated liquid collecting pit includes corresponding cathode 2
The second collecting pit 4 that the first collecting pit 5 and corresponding anode 3 being arranged are arranged, pollution 6 major function of liquid treating system is will to collect
Obtained contaminated liquid is handled, and prevents the heavy metal in contaminated liquid from leaking transfer, and the processing of heavy metal-polluted dye liquor is ripe
The prior art is to enter to pollute liquid treating system by the heavy metal-polluted dye liquid pump in contaminated liquid collecting pit to 1 major function of heat-extraction system
6, electrode control system is the controller of entire electro reclamation system, is used to control the start and stop, contaminated liquid concentration for repairing electrode
Detection, two interelectrode electric field levels of adjustment and monitoring electrode working condition etc..
The reparation electrode is the combination electrode made of inactive, conductive material, has good electric conductivity, and in electricity
It will not react and be corroded with pollutant in dynamic repair process, be a kind of economic and practical high-efficient electrode.
The heavy metal detector for detecting heavy metal concentration, heavy metal detector are provided in first collecting pit 5
It is electrically connected with electrode control system, the soil between contaminated liquid collecting pit is contaminated area, in contaminated area soil
Heavy metal cation migrates under the electric field action for repairing electrode towards the first collecting pit 5, and finally penetrates into the from pool wall
In one collecting pit 5, the voltage gradient between contaminated area is not less than 1.0V/cm, is not enough to generate if voltage gradient is too small
The field effects such as electrodialysis, electromigration and electrophoresis.
A kind of restorative procedure of the electro reclamation system in mine, this approach includes the following steps：
Step 1：Contaminated liquid collecting pit is built with concrete on the spot at the both ends of mine in repair, for storing migration
Pollutant, and electrolyte is injected in contaminated liquid collecting pit, area to be repaired area can be adjusted according to actual conditions, it is such as excessive can
It is divided into multizone and carries out multidomain treat-ment.
Step 2：Electrode control system works to electrode energization is repaired, and electric field is formed between cathode 2 and anode 3, in electric field
Promote the heavy metal cation in 3 region of anode to be migrated to cathode 2 under effect, and finally penetrate into the first collecting pit 5, realizes
The removal of 3 regional pollution object of anode, heavy metal cation in the contaminated area soil court under the electric field action for repairing electrode
The migration of the first collecting pit 5, and is finally penetrated into the first collecting pit 5 from pool wall.
Step 3：When the heavy metal contaminants concentration in the first collecting pit 5 reaches certain value, electrode control system control
To heat-extraction system 1, the contaminated liquid in the first collecting pit 5 is pumped into pollution liquid treating system 6 by pump to heat-extraction system 1 and is collected
Middle processing.
It needs to add anti-precipitation medicament into the first collecting pit 5 during step 2, cell reaction is in 3 region of anode
Generate H+Acidic region is formed, the heavy metal elements such as Pb, the Cd in 3 region of anode is promoted to be migrated to cathode 2 under the action of electric field,
Realize the removal of 3 regional pollution object of anode, still, the OH generated due to 2 region of cathode-It can be formed and be precipitated with metal ion, sunk
Shallow lake can block interstices of soil, reduce the remediation efficiency in 2 region of cathode, therefore, anti-precipitation medicament is added in 2 region of cathode, can protect
Precipitation blocking interstices of soil will not be formed in 2 region of cathode and hydroxyl by demonstrate,proving heavy metal cation, be improved to pollutant in soil
Removal efficiency.
Operation principle：Contaminated liquid collecting pit is built with concrete on the spot at the both ends of mine in repair, for storing migration
Pollutant, and electrolyte is injected in contaminated liquid collecting pit, area to be repaired area can be adjusted according to actual conditions, such as excessive
Multizone can be divided into and carry out multidomain treat-ment, electrode control system works to be powered to reparation electrode, shape between cathode 2 and anode 3
At electric field, the heavy metal cation in contaminated area soil moves under the electric field action for repairing electrode towards the first collecting pit 5
It moves, and is finally penetrated into the first collecting pit 5 from pool wall, add anti-precipitation medicament into the first collecting pit 5 in the process
For preventing heavy metal cation from reacting generation precipitation to block soil, when in the first collecting pit 5 with the hydroxyl of cathode 2
When heavy metal contaminants concentration reaches certain value, pollutant concentration data are sent to electrode control system by heavy metal detector,
Control is to heat-extraction system 1 after electrode control system receives concentration data, to heat-extraction system 1 by pumping the dirt in the first collecting pit 5
Dye liquor is pumped into pollution liquid treating system 6 and is focused on.
The above described is only a preferred embodiment of the present invention, not making any limit to the technical scope of the present invention
System, thus it is every according to the technical essence of the invention to any subtle modifications, equivalent variations and modifications made by above example,
In the range of still falling within technical scheme of the present invention.
Claims (5)
1. a kind of electro reclamation system in mine, it is characterised in that：Including repairing electrode, contaminated liquid collecting pit, contaminated liquid processing
System (6) gives heat-extraction system (1) and electrode control system, is electrically connected with electrode control system to heat-extraction system (1), the reparation electricity
Pole is electrically connected with electrode control system, is connect respectively with contaminated liquid collecting pit and pollution liquid treating system (6) to heat-extraction system (1),
It repairs electrode to be arranged in contaminated liquid collecting pit, it includes cathode (2) and anode (3) to repair electrode, and contaminated liquid collecting pit includes pair
Answer the first collecting pit (5) that cathode (2) is arranged and the second collecting pit (4) that corresponding anode (3) is arranged.
2. a kind of electro reclamation system in mine according to claim 1, it is characterised in that：The reparation electrode is by lazy
Combination electrode made of property conductive material.
3. a kind of electro reclamation system in mine according to claim 1, it is characterised in that：First collecting pit (5)
It is inside provided with the heavy metal detector for detecting heavy metal concentration, heavy metal detector is electrically connected with electrode control system.
4. a kind of restorative procedure of the electro reclamation system in mine, it is characterised in that this approach includes the following steps：
Step 1：Contaminated liquid collecting pit is built with concrete on the spot at the both ends of mine in repair, and in contaminated liquid collecting pit
Inject electrolyte.
Step 2：Electrode control system works to electrode energization is repaired, and electric field is formed between cathode (2) and anode (3), in electric field
Promote the heavy metal cation in anode (3) region to be migrated to cathode (2) under effect, and finally penetrates into the first collecting pit (5)
It is interior, realize the removal of anode (3) regional pollution object.
Step 3：When the heavy metal contaminants concentration in the first collecting pit (5) reaches certain value, electrode control system control to
Heat-extraction system (1) is pumped the contaminated liquid in the first collecting pit (5) into pollution liquid treating system (6) by pump to heat-extraction system (1)
It is focused on.
5. a kind of restorative procedure of the electro reclamation system in mine according to claim 4, it is characterised in that in step 2
During need to the anti-precipitation medicament of addition in the first collecting pit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135022.7A CN108405580A (en) | 2018-02-09 | 2018-02-09 | A kind of the electro reclamation system and its restorative procedure in mine |
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| CN201810135022.7A CN108405580A (en) | 2018-02-09 | 2018-02-09 | A kind of the electro reclamation system and its restorative procedure in mine |
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| CN108405580A true CN108405580A (en) | 2018-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128856A (en) * | 2018-02-05 | 2018-06-08 | 中国矿业大学 | Utilize the system of principle of electrophoresis control goaf filling weight metal transport |
| CN110185024A (en) * | 2019-04-22 | 2019-08-30 | 浙江大学 | A kind of device and method that MICP consolidation by grouting soil can be achieved at the same time and removes its by-product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128856A (en) * | 2018-02-05 | 2018-06-08 | 中国矿业大学 | Utilize the system of principle of electrophoresis control goaf filling weight metal transport |
| CN110185024A (en) * | 2019-04-22 | 2019-08-30 | 浙江大学 | A kind of device and method that MICP consolidation by grouting soil can be achieved at the same time and removes its by-product |
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Application publication date: 20180817 |
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