CN110404956A - A kind of soil and underground water complex repairation system and restorative procedure - Google Patents
A kind of soil and underground water complex repairation system and restorative procedure Download PDFInfo
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- CN110404956A CN110404956A CN201910724836.9A CN201910724836A CN110404956A CN 110404956 A CN110404956 A CN 110404956A CN 201910724836 A CN201910724836 A CN 201910724836A CN 110404956 A CN110404956 A CN 110404956A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000002689 soil Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 239000003814 drug Substances 0.000 claims abstract description 24
- 238000005067 remediation Methods 0.000 claims abstract description 20
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 244000005700 microbiome Species 0.000 claims abstract description 6
- 210000000498 stratum granulosum Anatomy 0.000 claims description 24
- 239000003673 groundwater Substances 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 230000008439 repair process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011066 ex-situ storage Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Mycology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of soil and underground water complex repairation system and restorative procedures, and wherein repair system includes soil remediation interrupter, for area to be repaired to be isolated from the outside；Water pumping mechanism, for extracting the underground water in area to be repaired；Header tank is connect with water pumping mechanism, for storing underground water；Medicating mechanism, for adding medicament or obligate microorganism into header tank；Repairing mechanism, for the underground water of good medicine will be added uniformly to dispense to soil area to be repaired in header tank.The present invention is provided with interrupter, water pumping mechanism, medicating mechanism and repairing mechanism, mixed medicament is infiltrated by area to be repaired by repairing mechanism again after carrying out dosing by the underground water extracted in area to be repaired, circulation reparation is carried out, native water combined pollution site remediation effect is substantially increased.
Description
Technical field
The present invention relates to technical field of soil remediation, more particularly, to a kind of soil and underground water complex repairation system and repair
Compound method.
Background technique
With the fast development of Urbanization Construction, the land resources redevelopment such as industrial enterprise's resettlement and construction is using to place
Soil and groundwater quality claims.The case that soil and groundwater is contaminated simultaneously in soil water combined pollution, that is, place at present
Example is more, and the contamination characteristics of native water coincidence also lead to difficult point one of of the reparation in the type place as reparation field.For this
Ex-situ techniques are widely used in the reparation in type place, i.e., the pollution soil body and underground water are dug out and extracted and repaired or located again
It sets.The technology generally requires more engineering machinery and combined water treatment equipment in repair process, and this method is not only put into
This is larger, remediation efficiency is lower and also work progress in secondary pollution such as factory outside noise, atmosphere uncontrollable discharge it is more serious, apply
Work environment and safety management are more demanding.Carry out site remediation using in-situ techniques, avoid excavating on a large scale transfer and it is large-scale at
The use of set equipment is the developing direction of current technical field of soil remediation.
In view of soil and the urgency of the groundwater remediation project implementation, ideal in-situ remediation system should have remediation efficiency compared with
High feature；In view of soil and the complexity of underground water pollution species, ideal in-situ remediation system should have adjustment switching and repair
The characteristics of complex pattern；In view of soil and the necessity of groundwater remediation project cost control, ideal in-situ remediation system should have
The characteristics of energy conservation and simple structure.
Summary of the invention
The purpose of the present invention is not only input cost is larger for the method for soil remediation in the prior art, efficiency it is lower and
And the more serious problem of secondary pollution proposes a kind of soil and underground water complex repairation system and restorative procedure.
The technical solution for realizing the object of the invention is a kind of soil and underground water complex repairation system, including
Interrupter, for the area to be repaired of soil to be isolated from the outside；
Water pumping mechanism, for extracting the underground water in soil area to be repaired；
Header tank is connect with water pumping mechanism, for storing underground water；
Medicating mechanism is used for the dosing into header tank；
Repairing mechanism, for the underground water of good medicine will be added uniformly to dispense to soil area to be repaired in header tank.
The interrupter is annular isolation stake.
The water pumping mechanism includes at least a bite sump that soil water barrier is extended to from soil area to be repaired surface,
And the water collecting pump by pipeline connection sump and header tank.
The medicating mechanism includes chemical tank and the injection pump for the medicament in chemical tank to be injected to header tank.
Pipeline between the injection pump and header tank is equipped with flow valve.
The repairing mechanism includes the chiltern water distribution layer for being sequentially arranged in soil area to be repaired surface from the bottom to top, carbon felt layer
And stratum granulosum；The water distributor being connected to header tank is disposed in the stratum granulosum；Cloth water pump is communicated on the water distributor.
The water distributor of the repairing mechanism is connected to the intracavity bottom of header tank.
It further include waterpower control mechanism, for controlling soil area to be repaired groundwater level.
The waterpower control mechanism includes the waterpower control well and filtered water tank that ground end is protruded into from soil area to be repaired surface,
And the control between well and filtered water tank is controlled in waterpower by pipeline connection and is pumped.
A kind of soil and underground water combined-repair method, comprising the following steps:
S1: by area to be repaired and other zone isolations；
S2: opening up sump in area to be repaired, and header tank is arranged and by pipeline connection sump and catchmenting
The water collecting pump of case；
S3: setting can into header tank dosing medicating mechanism；
S4: chiltern water distribution layer, carbon felt layer and stratum granulosum are successively laid with from the bottom to top on area to be repaired；
S5: the water distributor being connected to header tank is arranged in stratum granulosum, cloth water pump is set on the pipeline of water distributor；
S6: the underground water in sump is evacuated in header tank by water collecting pump；
S7: the dosing into header tank by medicating mechanism；
S8: the underground water of medicine will be added to inject in stratum granulosum in header tank by cloth water pump, and seeped the underground water for adding medicine
Enter in the soil of area to be repaired；
S9: circulation S6~S8 completes the reparation to soil.
Using above-mentioned technical proposal, the present invention has the following beneficial effects: (1) present invention be provided with interrupter,
Water pumping mechanism, medicating mechanism and repairing mechanism pass through reparation after carrying out dosing by the underground water extracted in area to be repaired again
Mixed medicament is infiltrated into area to be repaired by mechanism, is carried out circulation reparation, is substantially increased repairing effect.
(2) interrupter of the present invention is annular isolation stake, can guarantee for be isolated with the external world soil area to be repaired,
Guarantee that medicament may not flow into the external world, ensure that the utilization rate of medicament.
(3) present invention passes through water collecting pump for underground water from extracting to header tank, is pumped into injection by injection and repairs medicament, logical
Inflow-rate of water turbine valve controls medicament injection rate, guarantees that accurate medicament is added.
(4) present invention has successively been laid with chiltern water distribution layer, carbon felt layer and stratum granulosum from the bottom to top on area to be repaired, can
To cultivate obligate microorganism on stratum granulosum, repairing mechanism uniformly dispenses in the water body after adding medicament in stratum granulosum, ground
It is lauched by being seeped under gravity, by stratum granulosum, carbon felt layer and layer of sand, realizes the secondary reparation to soil, further increase
Repairing effect.
(5) stratum granulosum of the invention can also be directed to heavy metal contaminants, replacement or added material, realize heavy metal contaminants
Absorption or reduction.
(6) water distributor of repairing mechanism of the invention is connected to the intracavity bottom of header tank, can guarantee to enter repair machine
Medicament in structure is the medicament after being sufficiently mixed.
(7) present invention controls well by control pump and waterpower and realizes groundwater level supplement and control, in repair process
Since the slower situation of the evaporation and infiltration of underground water exists, well is controlled by control pump and waterpower and realizes groundwater level supplement
And control, it can be further ensured that the circulation reparation to soil.
Detailed description of the invention
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, wherein
Fig. 1 is the structural schematic diagram of soil repair system of the invention.
Label in attached drawing are as follows:
Interrupter 1, water pumping mechanism 2, sump 2-2, water collecting pump 2-3, medicating mechanism 3, injection pump 3-1, flow valve 3-
2, repairing mechanism 4, chiltern water distribution layer 4-1, carbon felt layer 4-2, stratum granulosum 4-3, water distributor 4-4, cloth water pump 4-5, waterpower control machine
Structure 5, waterpower control well 5-1, filtered water tank 5-2, control pump 5-3, header tank 6.
Specific embodiment
(embodiment 1)
See Fig. 1, the soil repair system of the present embodiment, including
Interrupter 1, for the area to be repaired of soil to be isolated from the outside；
Water pumping mechanism 2, for extracting the underground water in soil area to be repaired；
Header tank 6 is connect, for storing underground water with water pumping mechanism 2；
Medicating mechanism 3 is used for the dosing into header tank 6；
Repairing mechanism 4, for the underground water of good medicine will be added uniformly to dispense to soil area to be repaired in header tank 6；
Waterpower control mechanism 5, for controlling soil area to be repaired groundwater level.
Preferably, interrupter 1 is annular isolation stake, can not only guarantee by soil area to be repaired and it is extraneous every
From, and be isolated using more convenient.
Further, water pumping mechanism 2 includes at least a bite that soil water barrier is extended to from soil area to be repaired surface
Sump 2-2, and the water collecting pump 2-3 by pipeline connection sump 2-2 and header tank 6.Water collecting pump 2-3 preferably uses vacuum
Pump.
Further medicating mechanism 3 includes chemical tank and the injection pump 3- for the medicament in chemical tank to be injected to header tank 6
1.Injection pump 3-1 preferably uses vacuum pump.
In order to guarantee to inject accurate pharmaceutical quantities, flow valve is provided on the pipeline between injection pump 3-1 and header tank 6
3-2。
Further, repairing mechanism 4 includes the chiltern water distribution layer for being sequentially arranged in soil area to be repaired surface from the bottom to top
4-1, carbon felt layer 4-2 and stratum granulosum 4-3.The water distributor 4-4 being connected to header tank 6 is disposed in stratum granulosum 4-3.Water distributor 4-4
On be communicated with cloth water pump 4-5.Cloth water pump 4-5 preferably uses vacuum pump.
Further, the water distributor 4-4 of repairing mechanism 4 is connected to the intracavity bottom of header tank 6.
Further, waterpower control mechanism 5 includes the waterpower control well 5-1 that ground end is protruded into from soil area to be repaired surface
With filtered water tank 5-2, and control pump 5-3, Neng Goubao by pipeline connection between waterpower control well 5-1 and filtered water tank 5-2
Demonstrate,prove the water level of underground water, it is ensured that there is enough underground water to repair soil.
(embodiment 2)
The soil remediation method of the present embodiment, comprising the following steps:
S1: use insulated column by soil area to be repaired and other zone isolations；
S2: opening up sump 2-2 in soil area to be repaired, and header tank 6 is arranged and is catchmented by pipeline connection
The water collecting pump 2-3 of well 2-2 and header tank 6；
S3, setting can into header tank 6 dosing medicating mechanism 3；
S4: chiltern water distribution layer 4-1, carbon felt layer 4-2 and stratum granulosum 4-3 are successively laid with from the bottom to top on area to be repaired；
S5: the water distributor 4-4 being connected to header tank 6 is arranged in stratum granulosum 4-3, cloth is set on the pipeline of water distributor 4-4
Water pump 4-5；
S6: the underground water in sump 2-2 is evacuated in header tank 6 by water collecting pump 2-3；
S7: pass through the dosing into header tank 6 of medicating mechanism 3；
S8: the underground water of medicine will be added to inject in stratum granulosum 4-3 in header tank 6 by cloth water pump 4-5, and made the ground for adding medicine
It is lauched in the soil for penetrating into area to be repaired；
S9: circulation S6~S8 completes the reparation to soil.
Working principle: after the underground water by extracting area to be repaired carries out dosing, pass through stratum granulosum 4-1, carbon felt layer 4-2
It with chiltern water distribution layer 4-1 on the soil for infiltrating into area to be repaired, is repaired, is then controlled by waterpower control mechanism 5
The groundwater level of area to be repaired extracts the underground water of area to be repaired out again, carries out circulation reparation, substantially increase reparation
Effect.
The present embodiment can replace the material for stratum granulosum 4-3 for dye species type, realize heavy metal adsorption
And reduction.
(embodiment 3)
The present embodiment is substantially the same manner as Example 2, the difference is that: water is also opened up in soil area to be repaired in S2
Power controls well 5-1, and the clear water in filtered water tank 5-2 is injected waterpower by control pump 5-3 and is controlled into 5-1, is waited for control soil
The water level of the underground water of restoring area guarantees that suitable level of ground water repairs the soil of different depth.
(embodiment 4)
The present embodiment is substantially the same manner as Example 3, the difference is that: culture is directed to different pollutions on stratum granulosum 4-3
The obligate microorganism of species type, to carry out the underground water uniformly dispensed by water distributor 4-4 for reparation.
The obligate microorganism of the present embodiment is culture acclimated microorganism flora after the sampling of place, can be directed to space enrironment item
Part and pollutant kind carry out biological prosthetic.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of soil and underground water complex repairation system, it is characterised in that: including
Interrupter (1), for area to be repaired to be isolated from the outside；
Water pumping mechanism (2), for extracting the underground water in area to be repaired；
Header tank (6) is connect, for storing underground water with water pumping mechanism (2)；
Medicating mechanism (3) is used for the dosing in header tank (6)；
Repairing mechanism (4), for the underground water of good medicine will be added uniformly to dispense to area to be repaired in header tank (6).
2. a kind of soil according to claim 1 and underground water complex repairation system, it is characterised in that: the interrupter
It (1) is annular isolation stake.
3. a kind of soil according to claim 1 and underground water complex repairation system, it is characterised in that: the water pumping mechanism
It (2) include at least a bite sump (2-2) of soil water barrier being extended to from soil area to be repaired surface, and pass through pipeline
It is connected to the water collecting pump (2-3) of sump (2-2) and header tank (6).
4. a kind of soil according to claim 3 and underground water complex repairation system, it is characterised in that: the medicating mechanism
(3) include chemical tank and for by chemical tank medicament or obligate microorganism injection header tank (6) injection pump (3-1).
5. a kind of soil according to claim 4 and groundwater remediation system, it is characterised in that: the injection pump (3-1)
Pipeline between header tank (6) is equipped with flow valve (3-2).
6. a kind of soil according to claim 3 and groundwater remediation system, it is characterised in that: the repairing mechanism (4)
Chiltern water distribution layer (4-1), carbon felt layer (4-2) and stratum granulosum including being sequentially arranged in soil area to be repaired surface from the bottom to top
(4-3)；The water distributor (4-4) being connected to header tank (6) is disposed in the stratum granulosum (4-3)；Connect on the water distributor (4-4)
It is connected with cloth water pump (4-5).
7. a kind of soil according to claim 6 and groundwater remediation system, it is characterised in that: the repairing mechanism (4)
Water distributor (4-4) be connected to the intracavity bottoms of header tank (6).
8. a kind of soil according to claim 1 and groundwater remediation system, it is characterised in that: further include waterpower control machine
Structure (5), for controlling soil area to be repaired groundwater level.
9. a kind of soil according to claim 8 and groundwater remediation system, it is characterised in that: the waterpower control mechanism
It (5) include waterpower control well (5-1) and the filtered water tank (5-2) of ground end being protruded into from soil area to be repaired surface, and pass through pipe
Control of the road connection between waterpower control well (5-1) and filtered water tank (5-2) pumps (5-3).
10. a kind of soil and groundwater remediation method, which comprises the following steps:
S1: by soil area to be repaired and other zone isolations；
S2: opening up sump (2-2) in soil area to be repaired, and header tank (6) is arranged and is catchmented by pipeline connection
The water collecting pump (2-3) of well (2-2) and header tank (6)；
S3, setting can in header tank (6) dosing medicating mechanism (3)；
S4: chiltern water distribution layer (4-1), carbon felt layer (4-2) and stratum granulosum (4- are successively laid with from the bottom to top on area to be repaired
3)；
S5: the water distributor (4-4) being connected to header tank (6) is arranged in stratum granulosum (4-3), is set on the pipeline of water distributor (4-4)
Set cloth water pump (4-5)；
S6: the underground water in sump (2-2) is evacuated in header tank (6) by water collecting pump (2-3)；
S7: pass through medicating mechanism (3) dosing in header tank (6)；
S8: the underground water of medicine will be added to inject in stratum granulosum (4-3) in header tank (6) by cloth water pump (4-5), and made to add medicine
In the soil of Groundwater infiltration area to be repaired；
S9: circulation S6~S8 is completed at the same time the reparation to soil and groundwater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724836.9A CN110404956A (en) | 2019-08-07 | 2019-08-07 | A kind of soil and underground water complex repairation system and restorative procedure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724836.9A CN110404956A (en) | 2019-08-07 | 2019-08-07 | A kind of soil and underground water complex repairation system and restorative procedure |
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| CN110404956A true CN110404956A (en) | 2019-11-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054740A (en) * | 2019-12-27 | 2020-04-24 | 浙江大学 | Device and method for in-situ remediation of cadmium and lead polluted farmland soil by sulfate reduction system driven by microbial electrochemistry |
| CN114487350A (en) * | 2022-01-29 | 2022-05-13 | 南京大学 | Indoor simulation experiment device and method for microbial field in organic pollution field |
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