CN206997339U - A kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization - Google Patents
A kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization Download PDFInfo
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- CN206997339U CN206997339U CN201720725436.6U CN201720725436U CN206997339U CN 206997339 U CN206997339 U CN 206997339U CN 201720725436 U CN201720725436 U CN 201720725436U CN 206997339 U CN206997339 U CN 206997339U
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Abstract
The utility model discloses a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization, including circulation well, leacheate add-on system and groundwater circle system；Sealed well lid is provided with the top of circulation well, circulation well includes circulation well epimere and circulation well hypomere, separated between circulation well epimere and circulation well hypomere with dividing plate, upper strata screen casing and lower floor's screen casing are respectively equipped with two sections of boreholes wall；Leacheate add-on system includes leacheate storage bin, leacheate sprinkling pipe network and leacheate adding tube；Groundwater circle system includes immersible pump, groundwater mining pipe, underground water heavy metals removal facility, re-injection water pump and groundwater recharge pipe；The utility model adds the mixability of elution medicament and contaminated soil and underground water, improves heavy metal elution, remediation efficiency, enhances repairing effect.
Description
Technical field
Contaminated site prosthetic appliance is the utility model is related to, it is more particularly to a kind of to be used for soil and underground water heavy metal pollution
The circulation well device of in-situ immobilization.
Background technology
With rapid industrial development, human production activity causes increasing polluter to enter soil environment and gradual
Accumulation, causes soil pollution.Announce within 2014《National Soil Pollution Investigation publication》It has been shown that, the total exceeding standard rate of China's soil
For 16.1%, pollution type is based on inorganic type, wherein cadmium, mercury, arsenic, copper, lead, chromium, zinc, the heavy metal species of nickel 8 pollution object point position
Exceeding standard rate is respectively 7.0%, 1.6%, 2.7%, 2.1%, 1.5%, 1.1%, 0.9%, 4.8%, form very severe；And with
The passage of time, excessive heavy metal can cause in the presence of rainwater etc. gradually to groundwater seepage and diffusion in soil
Underground water heavy metal concentration is exceeded.
For heavy metal pollution of soil recovery technique based on fixing/stabilising and elution, its situ elution technique need not
Substantial amounts of contaminated soil is dug out, is a kind of cost-effective method for removing heavy metal in soil, this method passes through injection well
Leacheate is injected into soil so that polluter to be taken out of, so as to reach the purpose of reparation；At present, during elution in situ injector well and
Out well is separately provided more, elution medicament can only between injector well and out well bottom horizontal flow sheet, in addition soil anisotropism,
Frequently result in certain block Polluted area and can not fully elute, elute it is ineffective and the problems such as excessively consume energy；Underground water is heavy metal-polluted
Dye is more to be repaired with Pump-and-Treat technology, and this restorative procedure relies primarily on groundwater velocity and washes away and dissolve dirt in soil
Thing is contaminated, but constantly extracting out can cause groundwater run off to reduce, and cause reparation to be short of power, remediation efficiency is slow, and repairing multiple junction beam
Afterwards, underground water pollution easily rebounds.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of it is simple in construction, easy to use, remediation efficiency is high, repairs
The good circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization of effect.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization, including：
One circulation well, the circulation well are installed on below ground and below part-structure water level located underground, circulation well
Top is provided with sealed well lid；
Circulation well includes circulation well epimere and circulation well hypomere, between circulation well epimere and circulation well hypomere with dividing plate every
Open, below dividing plate water level located underground；The borehole wall of circulation well epimere is provided with upper strata screen casing, and the borehole wall of circulation well hypomere is provided with
Lower floor's screen casing, upper sieve ttom of pipe end are higher than level of ground water, and lower screen ttom of pipe end is higher than shaft bottom；
One leacheate add-on system, the leacheate add-on system include leacheate storage bin, dosing pump, leacheate conveying
Pipe and leacheate sprinkling pipe network；Leacheate storage bin is rest on the ground and is connected with leacheate delivery pipe, and dosing pump is arranged on
In leacheate delivery pipe, the afterbody connection leacheate sprinkling pipe network of leacheate delivery pipe, leacheate sprinkling pipe network is located at subsurface
In the soil of side, there are several spray holes in the bottom even branch of leacheate sprinkling pipe network, and leacheate spray line is provided with leaching on the net
Washing lotion sprays supply lines valve；
One groundwater circle system, the groundwater circle system include immersible pump, groundwater mining pipe, a underground water huge sum of money
Category removes facility, re-injection water pump and groundwater recharge pipe；Groundwater mining pipe lower end connects immersible pump, and immersible pump is positioned at circulation
Underground section bottom, groundwater mining pipe upper end are provided with groundwater mining tube valve and gauge table and are connected in underground water heavy metals removal
Facility, groundwater mining pipe aerial part connection groundwater sampling pipe and groundwater sampling tube valve, groundwater recharge pipe upper end
It is connected in the delivery port of underground water heavy metals removal facility, groundwater recharge pipe is provided with re-injection water pump, groundwater recharge tube valve
And gauge table, groundwater recharge pipe lower end are located at circulation well epimere bottom.
In one embodiment of the present utility model, the length of upper strata screen casing and lower floor's screen casing is 30-80cm, upper strata screen casing
Top is apart from well head 80-150cm.
In one embodiment of the present utility model, leacheate sprinkling pipe network is located at subsurface 20-50cm, away from upper sieve
Tube center distance is from for 50-80cm.
In one embodiment of the present utility model, leacheate is sprayed pipe network and is distributed centered on circulation well in wheel shape,
A diameter of 50-500cm.
In one embodiment of the present utility model, leacheate add-on system also includes a leacheate adding tube, leacheate
Adding tube is connected with leacheate delivery pipe and its port of export is located at circulation well epimere bottom, and leacheate adding tube is provided with leacheate
Add tube valve.
In one embodiment of the present utility model, the volume of leacheate storage bin is 500-3000L.
In one embodiment of the present utility model, leacheate delivery pipe is provided with the meter of monitoring leacheate adding tube flow
Scale.
In one embodiment of the present utility model, leacheate delivery pipe is provided with monitoring leacheate sprinkling pipe network flow
Gauge table.
Pass through above-mentioned technical proposal, the beneficial effects of the utility model are：
(1) the utility model can form ground by injecting underground water on the extraction of circulation bottom, top around circulation well
Lower water three-dimensional circular, the gradual desorption of heavy metal or dissolving for promoting to adsorb or remaining in interstices of soil enter aqueous phase, optimized
Lessivation.
(2) the utility model can form that underground water is vertical to be washed away in influence area, suitable for a hypotonicity soil huge sum of money
Belong to the processing of pollution.
(3) the utility model leacheate sprinkling pipe network and circulation well upper strata screen casing position can have on level of ground water
Effect enhancing upper strata contaminated soil remediation effect.
(4) the leacheate adding tube that the utility model is set, it is the supplement to leacheate sprinkling and reinforcing, pollution can be strengthened
Serious or hypotonicity soil layer heavy metal elution effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is utility model works schematic diagram；
Fig. 2 is the top view that the utility model leacheate sprays pipe network；
Corresponding component title of the numeral represented by with letter in figure：
10th, circulation well 11, circulation well epimere 11a, upper strata screen casing 12, circulation well hypomere 12a, lower floor's screen casing 13, every
Plate 20, sealed well lid 30, leacheate storage bin 40, dosing pump 50, leacheate delivery pipe 60, leacheate sprinkling pipe network
61st, spray hole 62, leacheate sprinkling supply lines valve 70, leacheate adding tube 71, leacheate addition tube valve 80, gauge table
90th, immersible pump 100, groundwater mining pipe 101, groundwater mining tube valve 110, underground water heavy metals removal facility 120,
Re-injection water pump 130, groundwater recharge pipe 131, groundwater recharge tube valve 140, groundwater sampling pipe 141, underground hydromining
Sample tube valve.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to shown in Fig. 1 and Fig. 2, it is used for soil the utility model discloses one kind and underground water heavy metal pollution original position is repaiied
Multiple circulation well device, including circulation well 10, leacheate add-on system and groundwater circle system.
Circulation well 10 is installed on below ground and below part-structure water level located underground, and the top of circulation well 10 is provided with close
Shut-in well lid 20；Circulation well 10 includes circulation well epimere 11 and circulation well hypomere 12, circulation well epimere 11 and circulation well hypomere 12 it
Between separated with dividing plate 13, below 13 water level located underground of dividing plate；The borehole wall of circulation well epimere 11 is provided with upper strata screen casing 11a, follows
The borehole wall of ring underground section 12 is provided with lower floor screen casing 12a, and upper strata screen casing 11a bottoms are higher than level of ground water, lower floor screen casing 12a bottoms
Higher than shaft bottom；Upper strata screen casing 11a and lower floor screen casing 12a length are 30-80cm, and upper strata screen casing 11a tops are apart from well head 80-
150cm。
Leacheate add-on system includes leacheate storage bin 30, dosing pump 40, leacheate delivery pipe 50 and leacheate spray
Spill pipe network 60；Leacheate storage bin 30 rest on the ground and is connected with leacheate delivery pipe 50, the volume of leacheate storage bin 60
For 500-3000L, the leacheate species in leacheate storage bin 60 can be inorganic solution, chelating agent or surfactant, specifically
It can be determined according to soil and underground water heavy metal species and concentration；Dosing pump 40 is arranged in leacheate delivery pipe 50, leacheate
The afterbody connection leacheate sprinkling pipe network 60 of delivery pipe 50, leacheate sprinkling pipe network 60 is in soil below ground, elution
There are several spray holes 61 in the bottom even branch of liquid sprinkling pipe network 60, and leacheate sprinkling pipe network 60 is provided with leacheate spray line
Net valve 62；Leacheate is sprayed pipe network 60 and is distributed centered on circulation well in wheel shape, a diameter of 50-500cm；Leacheate sprays
Pipe network 60 is located at subsurface 20-50cm, is 50-80cm away from upper strata screen casing 11a centre distances, and it also can be dirty according to soil certainly
Contaminate depth location and make appropriate regulation.
Leacheate add-on system also includes a leacheate adding tube 70, and leacheate adding tube 70 connects with leacheate delivery pipe 50
Connect and its port of export is located at the bottom of circulation well epimere 11, leacheate adding tube 70 is provided with leacheate addition tube valve 71, elution
Liquid adding tube 70 is the supplement and reinforcing to leacheate sprinkling, can strengthen seriously polluted or hypotonicity soil layer heavy metal elution
Effect；Leacheate delivery pipe 50 is provided with the gauge table 80 and monitoring leacheate sprinkling pipe network of the flow of monitoring leacheate adding tube 70
The gauge table 80 of 60 flows, the upper end of leacheate adding tube 70 are connected between two gauge tables in leacheate delivery pipe 50.
Groundwater circle system include immersible pump 90, groundwater mining pipe 100, underground water heavy metals removal facility 110, return
Water injecting pump 120 and groundwater recharge pipe 130；The lower end of groundwater mining pipe 100 connects immersible pump 90, and immersible pump 90 is positioned at circulation
The bottom of underground section 12, the upper end of groundwater mining pipe 100 are provided with groundwater mining tube valve 101 and gauge table 80 and are connected in underground water
Heavy metals removal facility 110, the aerial part of groundwater mining pipe 100 connection groundwater sampling pipe 140 and groundwater sampling pipe valve
Door 141, the upper end of groundwater recharge pipe 130 is connected in the delivery port of underground water heavy metals removal facility 110, groundwater recharge pipe 130
Re-injection water pump 120, groundwater recharge tube valve 131 and gauge table 80 are provided with, the lower end of groundwater recharge pipe 130 is located at circulation well
The bottom of epimere 11；Underground water heavy metals removal facility 110 by programs such as coagulation-precipitation-filterings by heavy metals removal in water, place
Water re-injection after reason.
Operation principle of the present utility model is as follows：
When in use, the leacheate configured is temporarily stored into leacheate storage bin 30 for the utility model, opens dosing pump
40 and leacheate sprinkling supply lines valve 62, make leacheate with 1-50L/min flow velocity by leacheate sprinkling pipe network 60 pass through sprinkling
Hole 61 enters contaminated soil；Immersible pump 90 is opened after 30min, groundwater mining tube valve 101 is taken out with 10-300L/min speed
Underground water is taken into underground water heavy metals removal facility 110；After heavy metals removal, re-injection water pump 120 and groundwater recharge are opened
Underground water after processing is recycled into soil by tube valve 131 by circulation well upper strata screen casing 11a, and groundwater recharge flow velocity is with taking out
Speed is taken to keep balance, so as to form the three-dimensional circular of circulation well ambient contamination local ground watering and leacheate；Work as soil permeability
Property poor or heavy metal concentration is higher, only can not meet to elute by the leacheate that is sprayed onto in soil of leacheate sprinkling pipe network 60
It is required that when, leacheate addition tube valve 71 can be opened, leacheate is added to by circulation well epimere 11 by leacheate adding tube 70
Bottom, Polluted area is entered by upper strata screen casing 11a after being mixed with re-injection underground water, further strengthen heavy metal elution effect；
Elution can gather groundwater sample by groundwater sampling pipe 140 during carrying out and carry out heavy metal concentration detection, to supervise in real time
Survey elution and repairing effect.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (8)
- A kind of 1. circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization, it is characterised in that including：One circulation well, the circulation well are installed on below ground and below part-structure water level located underground, the top of circulation well Provided with sealed well lid；Circulation well includes circulation well epimere and circulation well hypomere, is separated between circulation well epimere and circulation well hypomere with dividing plate, every Below plate water level located underground；The borehole wall of circulation well epimere is provided with upper strata screen casing, and the borehole wall of circulation well hypomere is provided with lower floor Screen casing, upper sieve ttom of pipe end are higher than level of ground water, and lower screen ttom of pipe end is higher than shaft bottom；One leacheate add-on system, the leacheate add-on system include leacheate storage bin, dosing pump, leacheate delivery pipe with And leacheate sprinkling pipe network；Leacheate storage bin rest on the ground and is connected with leacheate delivery pipe, and dosing pump is arranged on elution In liquid delivery pipe, the afterbody connection leacheate sprinkling pipe network of leacheate delivery pipe, leacheate sprinkling pipe network is located at below ground In soil, there are several spray holes in the bottom even branch of leacheate sprinkling pipe network, and leacheate spray line is provided with leacheate on the net Spray supply lines valve；One groundwater circle system, the groundwater circle system include immersible pump, groundwater mining pipe, underground water heavy metal and gone Except facility, re-injection water pump and groundwater recharge pipe；Groundwater mining pipe lower end connects immersible pump, and immersible pump is located at circulation downhole Section bottom, groundwater mining pipe upper end are provided with groundwater mining tube valve and gauge table and are connected in underground water heavy metals removal and set Apply, groundwater mining pipe aerial part connection groundwater sampling pipe and groundwater sampling tube valve, groundwater recharge pipe upper end connects In the delivery port of underground water heavy metals removal facility, groundwater recharge pipe be provided with re-injection water pump, groundwater recharge tube valve and Gauge table, groundwater recharge pipe lower end are located at circulation well epimere bottom.
- 2. a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization according to claim 1, Characterized in that, the length of upper strata screen casing and lower floor's screen casing is 30-80cm, upper sieve tube top end is apart from well head 80-150cm.
- 3. a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization according to claim 1, Characterized in that, leacheate sprinkling pipe network is located at subsurface 20-50cm, away from upper sieve tube center distance from for 50-80cm.
- 4. a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization according to claim 1, It is distributed characterized in that, leacheate sprays pipe network centered on circulation well in wheel shape, a diameter of 50-500cm.
- 5. a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization according to claim 1, Characterized in that, leacheate add-on system also includes a leacheate adding tube, leacheate adding tube is connected with leacheate delivery pipe And its port of export is located at circulation well epimere bottom, leacheate adding tube is provided with leacheate addition tube valve.
- 6. a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization according to claim 1, Characterized in that, the volume of leacheate storage bin is 500-3000L.
- 7. a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization according to claim 1, Characterized in that, leacheate delivery pipe is provided with the gauge table of monitoring leacheate adding tube flow.
- 8. a kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization according to claim 1, Characterized in that, leacheate delivery pipe is provided with the gauge table of monitoring leacheate sprinkling pipe network flow.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720725436.6U CN206997339U (en) | 2017-06-21 | 2017-06-21 | A kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720725436.6U CN206997339U (en) | 2017-06-21 | 2017-06-21 | A kind of circulation well device for being used for soil and underground water heavy metal pollution in-situ immobilization |
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| CN206997339U true CN206997339U (en) | 2018-02-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109168388A (en) * | 2018-09-10 | 2019-01-11 | 叶淑源 | A kind of farmland soil modifying technique |
| CN109570209A (en) * | 2018-12-27 | 2019-04-05 | 博川环境修复（北京）有限公司 | A kind of device for repairing polluted underground water and its flowing through contaminated soil |
| CN110153159A (en) * | 2019-06-12 | 2019-08-23 | 黎承波 | A kind of the joint repair system and its construction method in the place containing Ground Water Oil Pollution |
| CN110510836A (en) * | 2019-09-26 | 2019-11-29 | 湖南新九方科技有限公司 | The circulation well cluster repair system in situ of heavy metal and organic pollutant in a kind of removal underground water |
| CN111589850A (en) * | 2020-04-07 | 2020-08-28 | 南昌航空大学 | Low-permeability multiphase extraction well spacing system and extraction method thereof |
| CN114309031A (en) * | 2021-12-16 | 2022-04-12 | 齐鲁工业大学 | In-situ circulating leaching treatment method for polluted soil by adopting electrochemical treatment leacheate |
| CN114751472A (en) * | 2022-05-12 | 2022-07-15 | 东南大学 | Underground water circulating well device for in-situ remediation of contaminated site and remediation method |
-
2017
- 2017-06-21 CN CN201720725436.6U patent/CN206997339U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109168388A (en) * | 2018-09-10 | 2019-01-11 | 叶淑源 | A kind of farmland soil modifying technique |
| CN109570209A (en) * | 2018-12-27 | 2019-04-05 | 博川环境修复（北京）有限公司 | A kind of device for repairing polluted underground water and its flowing through contaminated soil |
| CN110153159A (en) * | 2019-06-12 | 2019-08-23 | 黎承波 | A kind of the joint repair system and its construction method in the place containing Ground Water Oil Pollution |
| CN110153159B (en) * | 2019-06-12 | 2021-07-16 | 黎承波 | Combined restoration system for site containing groundwater and petroleum pollution and construction method thereof |
| CN110510836A (en) * | 2019-09-26 | 2019-11-29 | 湖南新九方科技有限公司 | The circulation well cluster repair system in situ of heavy metal and organic pollutant in a kind of removal underground water |
| CN111589850A (en) * | 2020-04-07 | 2020-08-28 | 南昌航空大学 | Low-permeability multiphase extraction well spacing system and extraction method thereof |
| CN114309031A (en) * | 2021-12-16 | 2022-04-12 | 齐鲁工业大学 | In-situ circulating leaching treatment method for polluted soil by adopting electrochemical treatment leacheate |
| CN114751472A (en) * | 2022-05-12 | 2022-07-15 | 东南大学 | Underground water circulating well device for in-situ remediation of contaminated site and remediation method |
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