CN110052484A - A kind of prosthetic device of underground water heavy metal pollution - Google Patents
A kind of prosthetic device of underground water heavy metal pollution Download PDFInfo
- Publication number
- CN110052484A CN110052484A CN201910303139.6A CN201910303139A CN110052484A CN 110052484 A CN110052484 A CN 110052484A CN 201910303139 A CN201910303139 A CN 201910303139A CN 110052484 A CN110052484 A CN 110052484A
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- heavy metal
- underground water
- soil
- tank
- prosthetic device
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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
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
-
- 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)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mycology (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Botany (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of prosthetic device of underground water heavy metal pollution, it includes shielding system, soil repair system, groundwater remediation system；Shielding system includes barrier wall and surrounds the isolated area of about one connection and all round closure through barrier wall；Soil repair system includes sprayed tank, several spray heads and rehabilitation plant, and several spray heads are located at the top of isolated area and fill connection through conveyance conduit and spray；Groundwater remediation system includes through the conveyance conduit sequentially extraction well of adjacent connection, quartz sand filtration tank, heavy metal reactor tank, active carbon filtering tank and several spray heads；It overcomes the prior art that the high defect of rehabilitation cost is repeated several times using the structure that isolation, soil remediation are combined with groundwater remediation, duration reparation can be carried out to contaminated soil and underground water, and operating cost is low, effect persistence is high, overall structure is scientific and reasonable, simple and compact, easy to install and use；It is widely used in groundwater remediation operation and matches.
Description
Technical field
The present invention relates to groundwater remediation equipment more particularly to a kind of prosthetic devices of underground water heavy metal pollution.
Background technique
With the fast development of industrial or agricultural, the pollution of heavy metal aggravates in underground water, and pollution situation is increasingly serious, especially
A large amount of uses of industrial wastewater, waste residue and pesticide containing heavy metal, chemical fertilizer cause underground water heavy metal pollution, cause in underground water
Content of beary metal sharply increases, and seriously affects human health and ecological environment security.
The recovery technique of heavy metal pollution is mostly laggard using the underground water of heavy metal pollution is extracted out in underground water at present
Row purification of water quality and contaminant removal, then the Water Spreading of relevant criterion requirement will be reached after processing to buried target water-bearing layer, from
And reaching effectively removing for underground water heavy metal pollution component, this kind of mode has reparation speed fast, and ground prosthetic device is easy to
The advantages that maintenance；But due to exceeded there are still content of beary metal in the soil above underground water and leached into underground water, cause
The underground water repaired is again contaminated by heavy metals after a period of time, causes that the at high cost of reparation is repeated several times, and effect is lasting
Property is low.
Summary of the invention
For above situation, the purpose of the present invention is to provide a kind of prosthetic devices of underground water heavy metal pollution, it is adopted
To overcome the prior art to be repeated several times, rehabilitation cost is high to be lacked the structure combined with isolation, soil remediation with groundwater remediation
It falls into, duration reparation can be carried out to contaminated soil and underground water, and operating cost is low, effect persistence is high, overall structure section
Reasonable, simple and compact, easy to install and use, wide market is learned, convenient for promoting the use of.
To achieve the goals above, a kind of prosthetic device of underground water heavy metal pollution, it includes that shielding system, soil are repaired
Complex system, groundwater remediation system；The shielding system includes barrier wall, which surrounds about one connection and surrounding is sealed
The isolated area closed；The soil repair system includes sprayed tank, several spray heads and rehabilitation plant, and several spray heads are located at
The top of isolated area simultaneously fills connection through conveyance conduit and spray；The groundwater remediation system includes sequentially adjacent through conveyance conduit
Extraction well, quartz sand filtration tank, heavy metal reactor tank, active carbon filtering tank and several spray heads of connection.
In order to realize structure, effect optimization, further step is: the inside of the barrier wall is equipped with adsorption layer, institute
Adsorption layer is stated to constitute using addition sepiolite in clay mineral.
The barrier wall is reinforced concrete structure wall and it is with a thickness of 10~30cm.
Several spray heads are uniformly distributed in the top of isolated area for uniformly spraying spray to the soil in isolated area
Liquid.
Conveyance conduit between several spray heads and sprayed tank is equipped with check valve.
The top layer of the isolated area is equipped with improvement layer for planting rehabilitation plant.
Delivery pump and unidirectional is successively arranged on the conveyance conduit of active carbon filtering tank connection adjacent with several spray heads
Valve.
The extraction well is set in isolated area and extends longitudinally downward along depth of soil, and extraction well and quartz sand filtration tank
The conveyance conduit of adjacent connection is equipped with delivery pump.
The present invention compared with prior art caused by the utility model has the advantages that
(I) heavy-metal contaminated soil is isolated in situ using setting shielding system by the present invention, utilizes soil repair system
Restoration of the ecosystem is carried out to contaminated soil with plantation rehabilitation plant, the repairing efficiency of soil can be shortened, and reach preferable scape
Effect is seen, and combines underground water repair system to the heavy metals removal in underground water, soil and groundwater is carried out to realize
Duration reparation, operating cost is low, and effect persistence is high, is suitble to the purpose that municipal pollution place is efficient and quickly repairs；
(II) present invention is using the three-level water process for setting gradually quartz sand filtration tank, heavy metal reactor tank and active carbon filtering tank
Structure can effectively remove the impurity such as heavy metal and the other minerals in underground water, and overall structure is simple, and operation is reliable, operation
At low cost, underground water heavy metal pollution repairing effect is good；
(III) present invention overcomes the prior art repeatedly to weigh using the structure that isolation, soil remediation are combined with groundwater remediation
The high defect of multiple rehabilitation cost can carry out duration reparation to contaminated soil and underground water, and operating cost is low, and effect is lasting
Property it is high, overall structure is scientific and reasonable, simple and compact, easy to install and use, has significant economic benefit and social benefit.
The present invention is widely used in groundwater remediation operation and matches.
Invention is further described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
The attached drawing for constituting the application a part is used to provide further understanding of the present invention, schematic implementation of the invention
Example and its explanation are used to explain the present invention, and are not constituted improper limitations of the present invention.
Fig. 1 is overall structure diagram of the invention.
In figure: 1- barrier wall, 11- adsorption layer, 2- isolated area, 21- extraction well, 22- improvement layer, 3- quartz sand filtration tank,
4- heavy metal reactor tank, 5- active carbon filtering tank, 6- delivery pump, 7- check valve, 8- sprayed tank, 9- spray head, 10-, which is repaired, to plant
Object.
Specific embodiment
Referring to Fig.1, the present invention is implemented as follows: a kind of prosthetic device of underground water heavy metal pollution, it includes isolation
System, soil repair system, groundwater remediation system；The shielding system includes barrier wall 1, which surrounds on one
The isolated area 2 of lower connection and all round closure；The soil repair system includes sprayed tank 8, several spray heads 9 and rehabilitation plant
10, several spray heads 9, which are located at the top of isolated area 2 and fill 8 with spray through conveyance conduit, to be connect；The groundwater remediation system
System includes through the conveyance conduit sequentially extraction well 21, quartz sand filtration tank 3 of adjacent connection, heavy metal reactor tank 4, active carbon filtering
Tank 5 and several spray heads 9.
Refering to what is shown in Fig. 1, barrier wall 1 is reinforced concrete structure wall in the present invention and it is with a thickness of 10~30cm, utilize
Armored concrete can effectively obstruct source of heavy metal pollution and leach diffusion outward；The inside of the barrier wall 1 is equipped with adsorption layer 11, institute
It states adsorption layer 11 to constitute using addition sepiolite in clay mineral, there is good absorption property to pollutant using sepiolite,
Toxic heavy metal active in soil can be adsorbed and be precipitated, it is hindered to be transferred in plant or underground water, thus
Reach rehabilitating soil purpose, while contributing to form soil aggregate structure using the characteristic of clay mineral, to increase soil
Fertilizer conservation moisture holding capacity, the clay mineral preferably use calcium-base bentonite, sodium bentonite or zeolite.
As shown in connection with fig. 1, extraction well 21 is set in isolated area 2 and extends longitudinally downward along depth of soil in the present invention, and
The conveyance conduit of the connection adjacent with quartz sand filtration tank 3 of extraction well 21 is equipped with delivery pump 6, facilitates realization certainly by delivery pump 6
Dynamic groundwater abstraction carries out concentration purified treatment, and underground water pollution is avoided downstream to spread, and when installation can be according to the ground of isolated area 2
It is lauched Flow Field Distribution and underground water pollution situation, an appropriate number of extracting should be rationally evenly arranged within the scope of 2 soil of isolated area
Well 21, while extraction well 21 can react leacheate the leachates for generating and obtaining with heavy metal soil chemistry and be stripped, it is convenient
Centralized processing and cycling and reutilization are carried out, to reduce secondary pollution caused by soil remediation；The top layer of the isolated area 2
It, can be on the top in isolated area 2 after the completion of the Soil leaching in isolated area 2 equipped with improvement layer 22 for planting rehabilitation plant 10
Modifying agent is added in layer soil, specially to addition improvement dosage form within the scope of the downward 0~30cm of upper soll layer in the isolated area 2
At soil improvement layer 22, soil environment needed for plant growth is complied with, the modifying agent, which can be selected, can promote plant growth
Fertilizer, excrement or other chemical agents；The rehabilitation plant 10 generally selects Sedum alfredii Hance, Phytolacca acinosa, ciliate desert-grass etc. can be effective
Rehabilitating soil, and the requirement of urban afforestation landscape effect can be reached.
As shown in Figure 1, the top that several spray heads 9 are uniformly distributed in isolated area 2 in the present invention is used for in isolated area 2
Soil uniformly sprays spray liquid, is conducive to the efficient quick of heavy metal soil sanitation processing, the spray liquid belongs to purification soil
A kind of solvent of middle heavy metal can be used ethylenediamine disuccinic acid and deionized water is formulated or other corresponding chemical drugs
Agent is formulated；Conveyance conduit between several spray heads 9 and sprayed tank 8 is equipped with check valve 7, can avoid active carbon mistake
Filter tank 5 conveys the water to come and is back in sprayed tank 8；The conveying of the active carbon filtering tank 5 connection adjacent with several spray heads 9
It is successively arranged delivery pump 6 and check valve 7 on pipeline, the complete water of purified treatment can be sprayed onto through spray head 9 by soil by delivery pump 6
It is slowly back in underground reservoir again on earth, avoids disturbed strata structure, and check valve 7 can prevent the leaching of the output of sprayed tank 8
Washing lotion flows in active carbon filtering tank 5；It is connect respectively with sprayed tank 8 and active carbon filtering tank 5 by using spray head 9, it can be real
Existing washed off soil and groundwater recharge use a set of spray system, and overall structure science is simple, easy to use, advantageously reduce system
Make cost.
Quartz sand filtration tank 3 passes through underground water using under pressure certain thickness granular or non-in the present invention
The quartz sand filtration of grain, energy effectively catching remove suspended matter, organic matter, colloidal particles, microorganism, chlorine, odor and portion in water
Point heavy metal ion etc., reaching reduces that water turbidity, purify water effect, is conducive to subsequent handling operation；The heavy metal reaction
It is typically filled with the active material reacted with heavy metal in tank 4 or medicament that addition can react with heavy metal, reaches removal
Heavy metal in underground water；Using active carbon as filter medium, the peculiar smell that can be gone in water removal has the active carbon filtering tank 5
Machine object, colloid, iron and chlorine residue, and the heavy metal ion etc. that the educt excessively in drainage, microorganism, upper process are left, pass through
Using three-level water process, can effective guarantee groundwater remediation effect.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied；All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of prosthetic device of underground water heavy metal pollution, it is characterised in that including shielding system, soil repair system, underground
Water repair system；The shielding system includes barrier wall (1), which surrounds about one connection and all round closure
Isolated area (2)；The soil repair system includes sprayed tank (8), several spray heads (9) and rehabilitation plant (10), described several
Spray head (9), which is located at the top of isolated area (2) and fills (8) with spray through conveyance conduit, to be connect；The groundwater remediation system packet
It includes through the conveyance conduit sequentially extraction well (21), quartz sand filtration tank (3) of adjacent connection, heavy metal reactor tank (4), active carbon mistake
Filter tank (5) and several spray heads (9).
2. the prosthetic device of underground water heavy metal pollution according to claim 1, it is characterised in that the barrier wall (1)
Inside is equipped with adsorption layer (11), and the adsorption layer (11) is constituted using addition sepiolite in clay mineral.
3. the prosthetic device of underground water heavy metal pollution according to claim 2, it is characterised in that the barrier wall (1) is
Reinforced concrete structure wall and its with a thickness of 10~30cm.
4. the prosthetic device of underground water heavy metal pollution according to claim 1, it is characterised in that several spray heads
(9) top of isolated area (2) is uniformly distributed in for uniformly spraying spray liquid to the soil in isolated area (2).
5. the prosthetic device of underground water heavy metal pollution according to claim 4, it is characterised in that several spray heads
(9) conveyance conduit between sprayed tank (8) is equipped with check valve (7).
6. the prosthetic device of underground water heavy metal pollution according to claim 1, it is characterised in that the isolated area (2)
Top layer is equipped with improvement layer (22) for planting rehabilitation plant (10).
7. the prosthetic device of underground water heavy metal pollution according to claim 1, it is characterised in that the active carbon filtering
Delivery pump (6) and check valve (7) are successively arranged on tank (5) and the conveyance conduit of several spray heads (9) adjacent connection.
8. the prosthetic device of underground water heavy metal pollution according to claim 1, it is characterised in that the extraction well (21)
It is extended longitudinally downward in isolated area (2) and along depth of soil, and extraction well (21) and quartz sand filtration tank (3) adjacent connection
Conveyance conduit be equipped with delivery pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303139.6A CN110052484A (en) | 2019-04-16 | 2019-04-16 | A kind of prosthetic device of underground water heavy metal pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303139.6A CN110052484A (en) | 2019-04-16 | 2019-04-16 | A kind of prosthetic device of underground water heavy metal pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110052484A true CN110052484A (en) | 2019-07-26 |
Family
ID=67317713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910303139.6A Pending CN110052484A (en) | 2019-04-16 | 2019-04-16 | A kind of prosthetic device of underground water heavy metal pollution |
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| Country | Link |
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| CN (1) | CN110052484A (en) |
Cited By (3)
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| CN112191676A (en) * | 2020-09-08 | 2021-01-08 | 中冶南方都市环保工程技术股份有限公司 | Contaminated soil in-situ leaching system and method |
| CN113500091A (en) * | 2021-08-03 | 2021-10-15 | 天津大学 | Heavy metal contaminated soil and underground water repairing system and repairing method |
| 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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|---|---|---|---|---|
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| CN113500091A (en) * | 2021-08-03 | 2021-10-15 | 天津大学 | Heavy metal contaminated soil and underground water repairing system and repairing method |
| 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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Application publication date: 20190726 |
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