CN217627946U - Circulating well for in-situ reinforced repair of underground water - Google Patents
Circulating well for in-situ reinforced repair of underground water Download PDFInfo
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- CN217627946U CN217627946U CN202221421776.7U CN202221421776U CN217627946U CN 217627946 U CN217627946 U CN 217627946U CN 202221421776 U CN202221421776 U CN 202221421776U CN 217627946 U CN217627946 U CN 217627946U
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Abstract
The application relates to a groundwater normal position is reinforceed and is restoreed circulating well, including seting up the extraction well on ground, extract well circumference ground and seted up the recharge well, extract and be provided with the pipeline between well and the recharge well, the pipeline one end is inserted and is extracted the well other end and insert the recharge well, and the pipeline inserts and extracts well one end and is provided with the pump body. This application can effectively promote the repairing effect of groundwater.
Description
Technical Field
The application relates to the field of soil remediation, in particular to an underground water in-situ reinforced remediation circulating well.
Background
With the implementation of policies such as 'move back twice and move in three', 'move back city and move in garden', 'transfer industry', and the like, a plurality of high-pollution enterprises such as chemical plants, pesticide plants, steel plants, metal smelting, electroplating and mechanical processing plants in large and medium cities in China will gradually shut down and move to production or move, a large number of pollution sites with various types and complex characteristics are left, and the pollution to surrounding soil and underground water is caused.
The extraction treatment technology is a common polluted underground water original site-ex-situ remediation technology, and has a good treatment effect on areas with high-content pollutants and good solubility under the condition of a homogeneous stratum; and the heavy non-aqueous phase liquid treatment time consumption is long, the power consumption is large, and the equipment operation and maintenance cost is high. Particularly, in high-concentration polluted plots, a tailing effect is often caused by the fact that a large amount of pollutants are adsorbed in soil, and after pumping is stopped for remediation, the content of pollutants in underground water can slowly rise to generate a rebound effect, so that the underground water is difficult to achieve the remediation target in a short time.
SUMMERY OF THE UTILITY MODEL
In order to promote the repair effect of groundwater, the application provides a groundwater normal position is reinforceed and is restoreed circulating well.
The application provides a circulating well is reinforceed to groundwater normal position and is restoreed adopts following technical scheme:
the utility model provides a groundwater normal position is reinforceed and is restoreed circulation well, is including seting up the extraction well on ground, extract well circumference ground and seted up the recharge well, extract and be provided with the pipeline between well and the recharge well, pipeline one end is inserted and is extracted the well other end and insert the recharge well, and the pipeline inserts and extracts well one end and be provided with the pump body, extracts and is provided with between well and the recharge well and filter the piece, it establishes on the pipeline to filter the piece.
Through adopting above-mentioned technical scheme, the groundwater that the pump body will have the pollutant is extracted to the well casing periphery, at electrolysis unit and mixed filler combined action, the pollutant can be degraded and get rid of, groundwater after the processing gets into recharging well recharging again to the extraction well through the pipeline, in the meantime under the effect of electric current, extraction well circumference soil is changeed in the release pollutant value water, groundwater will extract the pollutant of well circumference and bring into the extraction well, thereby make the pump body can extract sewage once more in the short time and reduce the pollutant content of extraction well circumference, thereby reduce the probability that the pollutant releases once more after the completion of repairing, promote the repairing effect of groundwater.
Optionally, the extraction well comprises a well pipe and a well head formed by inserting the well pipe into the ground, and a sieve hole penetrating through the well pipe is formed in the upper middle section of the well pipe.
By adopting the technical scheme, the arrangement of the sieve pores can facilitate the water in the recharge well to flow back to the extraction well.
Optionally, the bottom of the well pipe is provided with a settling pipe.
Through adopting above-mentioned technical scheme, the setting of sedimentation tube can gather tiny sand grain and detritus through in the extraction well, reduces the influence of tiny sand grain and detritus to the pump body.
Optionally, an electrolysis unit is arranged in the extraction well, the electrolysis unit comprises a power supply, a cathode bar and an anode bar, the power supply is arranged outside the extraction well, the cathode bar and the anode bar are both provided with a plurality of electrodes, the cathode bar and the anode bar are the same in number and are electrically connected with the power supply, and the cathode bar and the anode bar are uniformly inserted in pairs in the circumferential direction of the extraction well.
By adopting the technical scheme, the arrangement of the electrolysis unit can degrade organic pollutants in underground water, promote the extraction well to efficiently release pollutants to the circumferential soil, and further improve the effect of underground water remediation.
Optionally, the extraction well is circumferentially provided with a reaction layer and a bentonite layer, the reaction layer is arranged in the circumferential direction of the extraction well, the bentonite layer is arranged above the reaction layer, and the cathode rod and the anode rod penetrate through the bentonite layer and are inserted into the reaction layer.
Through adopting above-mentioned technical scheme, the reaction layer is used for cooperating cathode bar and anode bar to promote electrolytic efficiency.
Optionally, the positive electrode rod is a stainless steel rod body, and the negative electrode rod is a platinum dioxide and titanium composite material rod body.
By adopting the technical scheme, the stainless steel, the platinum dioxide and the titanium composite material have good pollutant degradation effect and long service life.
Optionally, a mixed filler composed of the particle electrode and the reactive medium is arranged in the reaction layer.
Through adopting above-mentioned technical scheme, the reaction active medium self just can send chemical reaction with the pollutant, and the setting of particle electrode can also form three-dimensional electrode with cathode bar, anode bar to further promote the electrochemistry effect.
Optionally, a liquid level meter is mounted on the pipeline, and the liquid level meter is flush with the top ends of the cathode bar and the anode bar.
Through adopting above-mentioned technical scheme, the height of liquid level in the level gauge can detect extraction well, and the level gauge is kept level with negative pole stick and positive pole stick top, can carry out the electrolysis again when flooding negative pole stick and positive pole stick in extraction well liquid level.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pump body extracts the underground water with the pollutants to the periphery of the well pipe for degradation and removal, the treated underground water enters the recharge well through the pipeline and is recharged into the extraction well again, and the underground water brings the pollutants in the circumferential direction of the extraction well into the extraction well in the period, so that the pump body can extract the sewage again in a short time, the content of the pollutants in the circumferential direction of the extraction well is reduced, the probability of rebound release of the pollutants again after the underground water is repaired is reduced, and the repairing effect of the underground water is improved;
2. the arrangement of the electrolysis unit and the reaction layer can perform a physicochemical reaction with the pollutants in the underground water, so that the pollutants in the underground water are degraded, and meanwhile, the pollutants are easily released into the underground water by the circumferential soil of the extraction well under the action of current, so that the effect of repairing the underground water is improved;
3. the liquid level meter can detect the height of liquid level in the extraction well, and the liquid level meter is leveled with negative pole stick and positive pole stick top, can carry out the electrolysis again when flooding negative pole stick and positive pole stick in the extraction well liquid level.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic diagram of the distribution of extraction wells and recharge wells of this example.
Fig. 3 is a schematic cross-sectional structure diagram of the extraction well in the embodiment.
Description of reference numerals: 1. an extraction well; 2. recharging the well; 3. a pipeline; 4. a pump body; 6. A well pipe; 7. a wellhead; 8. screening holes; 9. a settling tube; 10. an electrolysis unit; 101. a power source; 102. a cathode bar; 103. an anode rod; 11. a reaction layer; 12. a bentonite layer; 13. mixing the fillers; 14. a liquid level meter.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses groundwater normal position is reinforceed and is restoreed circulating well, refer to fig. 1 and fig. 2, including opening the extraction well 1 on ground, insert well pipe 6 and form the import and thereby form extraction well 1, extraction well 1 circumference ground has seted up a plurality of recharging well 2, the arrangement mode of extraction well 1 and recharging well 2 is the rhombus and lays, be provided with pipeline 3 between extraction well 1 and recharging well 2, pipeline 3 one end inserts extraction well 1 other end and inserts recharging well 2, pipeline 3 inserts extraction well 1 one end and is provided with pump body 4, pump body 4 takes out the water in the extraction well 1, the water of taking out gets into recharging well 2 and recharges to extraction well 1 once more, the water of period brings the pollutant in extraction well 1 circumference into extraction well 1, make pump body 4 can extract sewage once more in the short time and thereby reduce the pollutant content in extraction well 1 circumference, thereby reduce the probability of pollutant rebound after groundwater restoration is accomplished, promote the restoration effect of groundwater.
Referring to fig. 1, sieve pores 8 penetrating through the well pipe 6 are formed in the pipe wall from 1.5m of the top of the well pipe 6 to 0.5m of the bottom of the well pipe 6, water in the recharge well 2 can conveniently flow back into the extraction well 1 due to the arrangement of the sieve pores 8, and the outside of the sieve pores 8 is wrapped by a permeable geotextile; the bottom of the well pipe 6 is provided with a settling pipe 9, and the settling pipe 9 can gather fine sand grains and rock debris passing through the extraction well 1, so that the influence of the fine sand grains and the rock debris on the pump body 4 is reduced.
Referring to fig. 1 and 3, an electrolysis unit 10 is arranged in the extraction well 1, the electrolysis unit 10 comprises a power supply 101 arranged outside the extraction well 1, a cathode rod 102 electrically connected to the cathode of the power supply 101 through an electric wire, and an anode rod 103 electrically connected to the anode of the power supply 101 through an electric wire, the anode rod is a stainless steel rod body, the cathode rod is a platinum dioxide and titanium composite rod body, the cathode rod 102 and the anode rod 103 are respectively provided with four, the cathode rod 102 and the anode rod 103 are the same in number and are electrically connected to the power supply 101, the cathode rod 102 and the anode rod 103 are respectively and uniformly inserted in the circumferential direction of the extraction well 1 in pairs, and the electrolysis unit 10 can degrade and remove organic pollutants in the groundwater, so that the groundwater remediation effect is improved.
Referring to fig. 1 and 3, a reaction layer 11 and a bentonite layer 12 are circumferentially arranged on an extraction well 1, the reaction layer 11 is circumferentially arranged on the extraction well 1, the bentonite layer 12 is arranged above the reaction layer 11, and a cathode rod 102 and an anode rod 103 penetrate through the bentonite layer 12 and are inserted into the reaction layer 11; the mixed filler 13 composed of the particle electrode and the reaction active medium is arranged in the reaction layer 11, the reaction active medium can send chemical reaction with pollutants, and the particle electrode can form a three-dimensional electrode with the cathode bar 102 and the anode bar 103, so that the electrochemical effect is further improved.
Referring to fig. 1, a liquid level meter 14 is installed on the pipeline 3, the liquid level meter 14 is flush with the top ends of the cathode bar 102 and the anode bar 103, the liquid level meter 14 can detect the height of the liquid level in the extraction well 1, the liquid level meter 14 is flush with the top ends of the cathode bar 102 and the anode bar 103, and electrolysis can be performed when the cathode bar 102 and the anode bar 103 are submerged in the liquid level in the extraction well 1.
The implementation principle of the embodiment of the application is as follows: the pump body 4 is placed in the extraction well 1, the extraction well 1 is communicated with the recharge well 2 through a pipeline 3, then the pump body 4 is started to extract polluted water in the extraction well 1 to the periphery of a well pipe, the polluted water is treated through the electrolysis unit 10 and the reaction layer 11, the treated water enters the recharge well 2 and flows back to the extraction well 1 through the recharge well 2, when the water in the extraction well 1 is lower than the liquid level meter 14, the extraction and electrolysis unit 10 is closed, and groundwater remediation is completed through multiple actions.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a circulating well is reinforceed to groundwater normal position, includes extraction well (1) of seting up in ground, its characterized in that: the extraction well (1) is circumferentially provided with a recharge well (2) on the ground, a pipeline (3) is arranged between the extraction well (1) and the recharge well (2), one end of the pipeline (3) is inserted into the extraction well (1), the other end of the pipeline is inserted into the recharge well (2), and one end of the pipeline (3) inserted into the extraction well (1) is provided with a pump body (4).
2. The circulating well for in-situ reinforced repair of underground water as claimed in claim 1, wherein: the extraction well (1) comprises a well pipe (6) and a well mouth (7) formed by inserting the well pipe (6) on the ground, and sieve pores (8) are formed in the well pipe (6).
3. The circulating well for in-situ reinforced repair of underground water as claimed in claim 2, wherein: and a settling pipe (9) is arranged at the bottom of the well pipe (6).
4. The circulating well for in-situ reinforced repair of underground water as claimed in claim 3, wherein: the electrolytic cell (10) is arranged in the extraction well (1), the electrolytic cell (10) comprises a power supply (101), a cathode bar (102) and an anode bar (103), the power supply (101) is arranged outside the extraction well (1), the cathode bar (102) and the anode bar (103) are arranged in a plurality, the cathode bar (102) and the anode bar (103) are the same in number and are electrically connected with the power supply (101), and the cathode bar (102) and the anode bar (103) are uniformly inserted in the circumferential direction of the extraction well (1) in pairs.
5. The underground water in-situ reinforced repairing circulating well according to claim 4, wherein: the extraction well (1) is circumferentially provided with a reaction layer (11) and a bentonite layer (12), the reaction layer (11) is circumferentially arranged on the extraction well (1), the bentonite layer (12) is arranged above the reaction layer (11), and the cathode bar (102) and the anode bar (103) penetrate through the bentonite layer (12) and are inserted into the reaction layer (11).
6. The circulating well for in-situ reinforced repair of underground water as claimed in claim 5, wherein: and a liquid level meter (14) is arranged on the pipeline (3), and the liquid level meter (14) is level with the top ends of the cathode bar (102) and the anode bar (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221421776.7U CN217627946U (en) | 2022-06-08 | 2022-06-08 | Circulating well for in-situ reinforced repair of underground water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221421776.7U CN217627946U (en) | 2022-06-08 | 2022-06-08 | Circulating well for in-situ reinforced repair of underground water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216912A (en) * | 2022-12-27 | 2023-06-06 | 成都理工大学 | System and method for purifying organic pollutants in underground water |
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2022
- 2022-06-08 CN CN202221421776.7U patent/CN217627946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216912A (en) * | 2022-12-27 | 2023-06-06 | 成都理工大学 | System and method for purifying organic pollutants in underground water |
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