CN208341352U - A kind of combined type soil ground water circulation repair system - Google Patents
A kind of combined type soil ground water circulation repair system Download PDFInfo
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- CN208341352U CN208341352U CN201820471713.XU CN201820471713U CN208341352U CN 208341352 U CN208341352 U CN 208341352U CN 201820471713 U CN201820471713 U CN 201820471713U CN 208341352 U CN208341352 U CN 208341352U
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Abstract
The utility model provides a kind of combined type soil ground water circulation repair system, including passing through the sequentially connected following system of pipeline: the underground water pumping system for extracting polluted underground water out from water-bearing layer；The groundwater treatment system that underground water for being extracted out to underground water pumping system is handled；And the elution circuit in situ for repairing polluted soil on the spot.The utility model is by combining elution technique in situ with pump-and-treat technology, both the engineering drawback of conventional soil in-situ elution had been avoided, the problems such as repairing effect for solving underground water pump-and-treat system simultaneously is not thorough, energy efficent use of resources again, reparation target that is economic, efficient, rapidly reaching soil and groundwater.
Description
Technical field
The utility model relates to field of environment engineering technology, in particular to a kind of combined type soil ground water circulation reparation system
System.
Background technique
With the acceleration of urbanization process, the contaminating enterprises that many scripts are located at city move out from down town, same with this
When, with resettlement or halt production, the bankruptcy of industrial enterprise, a large amount of, varied, complicated contaminated site is left, has been related to simultaneously
Soil pollution and underground water pollution problem.The presence of these contaminated sites brings the risk of environment and health, hinders city
Construction and local economic development.
In the prior art, it is usually repaired by elution in situ or Pump-and-Treat reparation carries out place soil and groundwater
Reparation, to solve the problems, such as contaminated sites.
Specifically, elution recovery technique in situ be added at the scene by eluent, the collection of soil lower layer leachates and
The reparation to contaminated soil is completed in leachates processing, leachates regeneration.Although the repair process is not necessarily to excavate big earth volume soil,
Operate it is relatively simple, if but slightly misoperation, the repair process itself also easily cause underground water secondary pollution.Extraction-
Processing technology has the characteristics that quickly to block contaminant transportation, at home and abroad using relatively broad.But underground water is taken out
Out-processing repairing effect is simultaneously not thorough, and there is also cause underground funnel and underground water to aoxidize for long-term underground water extraction
The risks such as reducing environment change.
Therefore, the characteristics of repairing with Pump-and-Treat, is repaired based on elution in situ, needs a kind of be both avoided that because of soil in-situ
It elutes the underground water pollution problem that may cause, can increase the circulation of place underground water again to avoid risks such as underground funnels and be
System.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of combined type soil ground water circulation repair systems, pass through
Elution technique in situ is combined with pump-and-treat technology, has both avoided the engineering drawback of conventional soil in-situ elution, together
When solve the problems such as repairing effect of underground water pump-and-treat system is not thorough, and can efficent use of resources, it is economical, efficiently, quickly
Ground reaches the reparation target of soil and groundwater.
In order to solve the above-mentioned technical problem, the combined type soil ground water circulation repair system of the utility model includes:
Underground water pumping system, the underground water pumping system include being located at the pumped well in water-bearing layer and drawing water from described
The immersible pump that draws water of well groundwater abstraction；
Groundwater treatment system, the groundwater treatment system include that water treatment facilities and storage handle clear water up to standard
The water inlet of clear water reserviors, the water treatment facilities is connect via first pipe with the immersible pump that draws water, the water treatment facilities
Water outlet connect with the water inlet of the clear water reserviors；
Elution circuit in situ, the original position elution circuit include elution tank, pharmacy jar, horizontal elution device, vertical elution
The fluid level control device of device and the vertical elution device movement according to the water level control in elution tank, the elution tank point
Not via the water outlet of second, third, fourth, fifth pipeline and the clear water reserviors, horizontal elution device, vertical elution device and
Pharmacy jar connection,
On the first pipe, the third pipeline, the 4th pipeline, it is successively arranged by-passing valve and flowmeter；
By-passing valve, flowmeter and elevator pump are successively arranged on the second pipe；It is successively arranged by-passing valve on the 5th pipeline and adds
Medicine metering pump.
As the optimal technical scheme of the utility model, the horizontal distance of the elution tank and the pumped well is the pumping
1/8 times or less of the radius of influence of well.
As the optimal technical scheme of the utility model, the horizontal elution device includes boulder bed and level is set to institute
State Primary plateaus elution well, the two grades of horizontal elution well in boulder bed, the Primary plateaus elution well, two grades of horizontal elution
Well is uniformly interspersed centered on the elution tank, also, the elution tank elutes well and institute via the Primary plateaus
State two grades of horizontal elution connection.
As the optimal technical scheme of the utility model, Primary plateaus elution well using the elution tank as orthogonal points just
It hands over distribution and is connect respectively with the elution tank, the length of the Primary plateaus elution well is the radius of influence of the pumped wellTimes；The two grades of horizontal elution well is multiple to be linked to be in a manner of connecting with Primary plateaus elution well in 45 ° of angles
The cumulative square well of side length, and the horizontal space between the adjacent two grades of horizontal elution well is the pumped well radius of influence
0.2~0.5 times；The cobble partial size of the boulder bed is 20~32mm, with a thickness of 30~50mm.
As the optimal technical scheme of the utility model, the elevation of the Primary plateaus elution well is from its water inlet to well casing
End gradually decreases, the elevation of two grades of horizontal elution well and the height that well junction is eluted with its described Primary plateaus connecting
Cheng Xiangtong.
As the optimal technical scheme of the utility model, the Primary plateaus elution well is adopted with two grades of horizontal elution well
It is formed by connecting with the different round screen casing of caliber.
As the optimal technical scheme of the utility model, the caliber of the Primary plateaus elution well is two grades of horizontal leaching
The percent opening of 3~5 times of well-flushing caliber, the circle screen casing is 10%~30%.
As the optimal technical scheme of the utility model, the vertical elution device includes four mouthfuls vertical elution well and is used for
To the injection pump of the vertical elution well injection eluent；The vertical elution well is uniformly distributed centered on the elution tank,
And be staggered with the position of Primary plateaus elution well, two grades of horizontal elution well, the depth of the vertical elution well is ground
It is lauched buried depth, vertical injection range is from shaft bottom to below ground 0.8m~0.2m；The injection pump and the 4th pipeline connect
It connects.
As the optimal technical scheme of the utility model, four mouthfuls of vertical elution wells are located at the adjacent level-one water
It on the middle line of flat elution well angle, also, is the 0.5~0.75 of the pumped well radius of influence at a distance from the pumped well
Times.
As the optimal technical scheme of the utility model, the fluid level control device is located in the elution tank, and via
4th pipeline is connect with vertical elution device, when water level is higher than restriction high water level in the elution tank, starts the vertical leaching
Cleaning device, when water level is lower than low water level is limited in the elution tank, closes institute in the vertical elution device operational process
State vertical elution device.
By the combined type soil ground water circulation repair system of the utility model, by underground water extraction-processing and soil
Two kinds of recovery techniques of elution in situ are effectively combined, and are first drawn to contaminated sites underground water from the surface water from water-bearing layer
Reason system handle it is up to standard after, for preparing leached soil solutions, and combine using horizontal elution and vertical elution two ways,
Elution in situ is carried out to contaminated soil, while achieving the purpose that aquifer recharge.The repair process is both to polluted underground water or right
Contaminated soil has carried out repairing and treating, rationally utilizes groundwater resources, while also avoiding in situ elute may be to underground water ring
Secondary pollution caused by border.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the utility model.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the utility model, function and advantage will pass through the utility model embodiment party
Formula is illustrated described below, in which:
Fig. 1 is the schematic diagram for roughly showing the combined type soil ground water circulation repair system of the utility model；
Fig. 2 is the elution system in situ roughly shown in the combined type soil ground water circulation repair system of the utility model
The schematic diagram of system；
Fig. 3 is the schematic diagram for roughly showing horizontal elution device involved in the utility model；
Fig. 4 is the schematic diagram for roughly showing vertical elution device involved in the utility model.
Specific embodiment
By reference to exemplary embodiment, the purpose of this utility model and function and for realizing these purposes and function
Method will be illustrated.However, the utility model is not limited to exemplary embodiment as disclosed below；It can be by not
It is realized with form.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding the utility model
Detail.
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents
Same or similar component or same or like step.
The utility model in order to better understand, in the following, first combining Fig. 1 to combined type soil ground water circulation repair system
Basic structure be described in detail.
As shown in Figure 1, the combined type soil ground water circulation repair system of the utility model includes successively being connected by pipeline
The following system connect: the underground water pumping system for extracting polluted underground water out from water-bearing layer；For drawing water to underground water
The groundwater treatment system that the underground water that system is extracted out is handled；And the elution in situ for repairing polluted soil on the spot
System.
Wherein, the underground water pumping system includes positioned at the pumped well 1 in water-bearing layer, for extracting from the pumped well
The immersible pump 2 that draws water, the first by-passing valve 3 and the first flowmeter 4 of polluted underground water, the immersible pump 2 that draws water are set to described draw water
In well 1；The groundwater treatment system includes the clear water reserviors 6 that water treatment facilities 5 and storage handle clear water up to standard；The original position
Elution circuit include elution tank 10, horizontal elution device 13, vertical elution device 16, pharmacy jar 19, fluid level control device 20 and
Second by-passing valve 7, second flowmeter 8, elevator pump 9, third by-passing valve 11, third flowmeter 12, the 4th by-passing valve the 14, the 4th stream
Meter 15, the 5th by-passing valve 17 and the dosing metering pump 18 for eluent configuration.
Specifically, the water inlet of the water treatment facilities 5 is connect by first pipe with the immersible pump 2 that draws water, institute
The first by-passing valve 3 is stated to be sequentially located in first pipe with first flowmeter 4；The water outlet of the water treatment facilities 5 and described clear
The water inlet in pond 6 connects；The first water inlet that the water outlet of the clear water reserviors 6 passes through second pipe and the elution tank 10
Connection, second by-passing valve 7 and second flowmeter 8, elevator pump 9 are sequentially arranged on the second pipe；The elution tank 10
The first water outlet connect with horizontal elution device 13 by third pipeline, the third by-passing valve 11 and third flowmeter 12
It is sequentially arranged on the third pipeline；Second water outlet of the elution tank 10 is connected by the 4th pipeline and vertical elution circuit 16
It connects, the fluid level control device 20, the 4th by-passing valve 14 and the 4th flowmeter 15 are sequentially arranged on the 4th pipeline；Institute
It states pharmacy jar 19 and is connect by the 5th pipeline with the second water inlet of the elution tank 10, the 5th by-passing valve 17 and dosing
Metering pump 18 is sequentially arranged on the 5th pipeline；The installation site of the elution tank 10 apart from the pumped well 1 it is horizontal away from
From 1/8 times of the radius of influence (R) for being no more than the pumped well 1.
In addition, the fluid level control device 20 can be filled according to the water level height in elution tank 10 to control the vertical elution
The movement set, specifically, starting the vertical elution device when water level is higher than restriction high water level in the elution tank 10
16, in the operational process of the vertical elution device 16, when water level is lower than low water level is limited in the elution tank 10, pause
The vertical elution device 16.
Next, in conjunction with Fig. 2, Fig. 3 to the preferred embodiment of the horizontal elution device 13 in elution circuit in situ
It is illustrated.
As shown in Figures 2 and 3, the horizontal elution device 13 includes Primary plateaus elution well 21, two grades of horizontal elution well
22 and boulder bed 23；The Primary plateaus elution well 21 and two grades of horizontal elution well 22 are set in the boulder bed 23；It is described
Primary plateaus elution well 21, two grades of horizontal elution well 22 are uniformly interspersed centered on the elution tank, the leaching
Cleaning of evaporator is connected via Primary plateaus elution well and two grades of horizontal elution.To, eluent from the elution tank 10 according to
It is secondary to reach soil via Primary plateaus elution well 21, two grades of horizontal elution well 22.
Preferably, Primary plateaus elution well 21 (orthogonal points) centered on the elution tank 10 is orthogonal
Distribution, and connect respectively with the elution tank 10；The length of the Primary plateaus elution well 21 is the influence of the pumped well 1
Radius (R)Times；The two grades of horizontal elution well 22 is cumulative " mouth " the font well of multiple side lengths, with the Primary plateaus
Well 21 is eluted in 45 ° of angle connections, also, the horizontal space between the adjacent two grades of horizontal elution well 22 is identical, such as
For 1/5R~1/2R, preferably R/4, in other words, each " mouth " font two grades of horizontal elution well 22 is equidistantly connected to Primary plateaus
It elutes on well 21；The cobble partial size of the boulder bed 23 is 20~32mm, with a thickness of 30~50mm.
Further, it is also preferred that the Primary plateaus elution well 21 is gradually dropped from its water inlet to the elevation of well casing end
It is low；The elevation phase of the elevation of the two grades of horizontal elution well 22 and the junction with its Primary plateaus elution well 21 connecting
Together.
Further, it is also preferred that the Primary plateaus elution well 21 and two grades of horizontal elution well 22 use caliber not
Same round screen casing is formed by connecting；It is further preferred that the caliber of the Primary plateaus elution well 21 is two grades of horizontal elution
The percent opening of 3~5 times of 22 caliber of well, the circle screen casing is 5%~40%, it is further preferred that, the Primary plateaus
The caliber for eluting well 21 is that the two grades of horizontal elutes 4 times of 22 caliber of well, the percent opening of the circle screen casing is 10%~
30%.
In the following, being said in conjunction with preferred embodiment of the Fig. 4 to the vertical elution device 16 in elution circuit in situ
It is bright.
As shown in figure 4, the vertical elution device 16 includes four mouthfuls vertical elution well 24 and is used for the vertical elution
The injection pump 25 of the injection eluent of well 24；The vertical elution well depth is underground water buried depth, and vertical injection range is from shaft bottom
To below ground 0.8m~0.2m, it is preferred that vertical injection range is from shaft bottom to below ground 0.5m；The injection pump 25
It is connect with the 4th pipeline.The vertical elution well 24 is uniformly distributed centered on the elution tank 10, and with the level-one
The position that level elution well 21, the two grades of horizontal elute well 22 is staggered.
Preferably, the vertical elution well 24 is located at the middle line of adjacent Primary plateaus elution 21 angle of well
On, also, be 0.2~1 times of 1 radius of influence of pumped well (R) at a distance from the pumped well 1, more preferably 0.5~
0.75 times.
In addition, the fluid level control device 20 in elution circuit in situ is also mountable in the elution tank 10, and pass through
It is connect by the 4th pipeline with the vertical elution device 16.
In the following, being briefly described in conjunction with the process that Fig. 1~4 pair carry out soil and groundwater remediation.
Firstly, polluted underground water enter the pumped well 1 in, by it is described draw water immersible pump 2 by first pipe extract to
It is handled in water treatment facilities 5, is discharged into the clear water reserviors 6 after processing is up to standard, then, by the elevator pump 9 by the second pipe
Road is promoted to the elution tank 10, at the same time, elution medicament is pumped into from the pharmacy jar 19 to the elution tank 10, by equal
Even mixing, is finally configured to leacheate.
Then, the leacheate enters horizontal elution device 13 via third pipeline self, respectively enters four direction
In the Primary plateaus elution well 21, and the two grades of horizontal is branched to via Primary plateaus elution well 21 and elutes well 22
In, it is seeped by naturally lower, the leacheate in the Primary plateaus elution well 21 and two grades of horizontal elution well 22 enters soil
In, during infiltration under nature, leaching is carried out to contaminated soil of site.When the water level in the elution tank 10 is higher than limit
When determining high water level, the fluid level control device 20 will start the vertical elution device 16.To which the leacheate is via the 4th
Pipeline enters vertical elution device 16, leacheate is pumped into the vertical elution well 24 by the injection pump 25, to make institute
It states leacheate and enters soil, leaching is carried out to soil.
Liquid after all elution reactions enters in phreatic aquifer, then is extracted out together by the pumped well 1 with underground water,
So circulation is repaired, by the pollutant removal in soil and groundwater, the target for reaching soil and groundwater while repairing.
Preferred embodiments of the present invention are illustrated above, certain the utility model is not limited to this,
Other can be used to be arranged to realize.In addition, the combined type soil ground water circulation repair system of the utility model is mainly used for ring
Border field of engineering technology, but it will be understood by those skilled in the art that it is contemplated that the utility model can be used for other correlations
Field.
In conjunction with the explanation and practice of the utility model disclosed here, the other embodiments of the utility model are for this field
Technical staff will be readily apparent and understand.Illustrate and embodiment be regarded only as being exemplary, the utility model it is real
Scope and spirit are defined in the claims.
Claims (10)
1. a kind of combined type soil ground water circulation repair system, which is characterized in that
The combined type soil ground water circulation repair system includes:
Underground water pumping system, the underground water pumping system include taking out positioned at the pumped well in water-bearing layer and from the pumped well
Take the immersible pump that draws water of underground water；
Groundwater treatment system, the groundwater treatment system include the clear water that water treatment facilities and storage handle clear water up to standard
The water inlet in pond, the water treatment facilities is connect via first pipe with the immersible pump that draws water, and the water treatment facilities goes out
The mouth of a river is connect with the water inlet of the clear water reserviors；
Elution circuit in situ, the original position elution circuit include elution tank, pharmacy jar, horizontal elution device, vertical elution device
With the fluid level control device of the vertical elution device movement according to the water level control in elution tank, the elution tank passes through respectively
By water outlet, horizontal elution device, vertical elution device and the medicament of second, third, fourth, fifth pipeline and the clear water reserviors
Tank connection,
On the first pipe, the third pipeline, the 4th pipeline, it is successively arranged by-passing valve and flowmeter；Institute
It states and is successively arranged by-passing valve, flowmeter and elevator pump on second pipe；By-passing valve and dosing meter are successively arranged on the 5th pipeline
Amount pump.
2. combined type soil ground water circulation repair system according to claim 1, which is characterized in that
The horizontal distance of the elution tank and the pumped well is 1/8 times or less of the radius of influence of the pumped well.
3. combined type soil ground water circulation repair system according to claim 2, which is characterized in that
The horizontal elution device includes boulder bed and horizontal Primary plateaus the elution well, second level water being set in the boulder bed
Flat elution well,
The Primary plateaus elution well, two grades of horizontal elution well are uniformly interspersed centered on the elution tank, and
And the elution tank is connected via Primary plateaus elution well and two grades of horizontal elution.
4. combined type soil ground water circulation repair system according to claim 3, which is characterized in that
The Primary plateaus elution well is connect using the elution tank as orthogonal points omnidirectional distribution and respectively with the elution tank, described
The length of Primary plateaus elution well is 2 times of √ of the radius of influence of the pumped well；
The two grades of horizontal elution well is to elute the multiple sides being linked to be in a manner of well is connect in 45 ° of angles with the Primary plateaus
Long cumulative square well, and the horizontal space between the adjacent two grades of horizontal elution well is the pumped well radius of influence
0.2~0.5 times；
The cobble partial size of the boulder bed is 20~32mm, with a thickness of 30~50mm.
5. combined type soil ground water circulation repair system according to claim 4, which is characterized in that
The elevation of the Primary plateaus elution well is gradually decreased from its water inlet to well casing end, the two grades of horizontal elution well
Elevation is identical as with the Primary plateaus of its connection elution elevation of well junction.
6. combined type soil ground water circulation repair system according to claim 5, which is characterized in that
The Primary plateaus elution well is formed by connecting from two grades of horizontal elution well using the different round screen casing of caliber.
7. combined type soil ground water circulation repair system according to claim 6, which is characterized in that
The caliber of the Primary plateaus elution well is 3~5 times that the two grades of horizontal elutes well casing diameter,
The percent opening of the circle screen casing is 10%~30%.
8. combined type soil ground water circulation repair system, feature described according to claim 1~any one of 7 exist
In,
The vertical elution device includes four mouthfuls vertical elution well and the injection for injecting eluent to the vertical elution well
Pump；
The vertical elution well is uniformly distributed centered on the elution tank, and elutes well, the second level with the Primary plateaus
The position of level elution well is staggered,
The depth of the vertical elution well be underground water buried depth, vertical injection range be from shaft bottom to below ground 0.8m~
0.2m；
The injection pump is connect with the 4th pipeline.
9. combined type soil ground water circulation repair system according to claim 8, which is characterized in that
Four mouthfuls of vertical elution wells are located on the middle line of adjacent Primary plateaus elution well angle, also, with it is described
The distance of pumped well is 0.5~0.75 times of the pumped well radius of influence.
10. combined type soil ground water circulation repair system, feature described according to claim 1~any one of 7 exist
In,
The fluid level control device is located in the elution tank, and connect via the 4th pipeline with vertical elution device,
When water level is higher than restriction high water level in the elution tank, start the vertical elution device, is filled in the vertical elution
It sets in operational process, when water level is lower than low water level is limited in the elution tank, closes the vertical elution device.
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| CN201820471713.XU CN208341352U (en) | 2018-03-30 | 2018-03-30 | A kind of combined type soil ground water circulation repair system |
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| CN201820471713.XU CN208341352U (en) | 2018-03-30 | 2018-03-30 | A kind of combined type soil ground water circulation repair system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663808A (en) * | 2019-01-23 | 2019-04-23 | 中国科学院南京土壤研究所 | A kind of dynamic groundwater circle system |
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2018
- 2018-03-30 CN CN201820471713.XU patent/CN208341352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663808A (en) * | 2019-01-23 | 2019-04-23 | 中国科学院南京土壤研究所 | A kind of dynamic groundwater circle system |
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