CN210012715U - Vortex solidification groundwater repair system - Google Patents
Vortex solidification groundwater repair system Download PDFInfo
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- CN210012715U CN210012715U CN201920768698.XU CN201920768698U CN210012715U CN 210012715 U CN210012715 U CN 210012715U CN 201920768698 U CN201920768698 U CN 201920768698U CN 210012715 U CN210012715 U CN 210012715U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/406—Aquifer recharge
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Abstract
The utility model relates to a swirl solidification groundwater repair system sets up and treats repair area department at groundwater, including suction well, water injection well and rail, the suction well is seted up and is put at repair area central point, is provided with a plurality of water injection wells along repair area outer contour line interval, inject into inorganic inert adsorption material in the water injection well to it is good to form confined adsorption material rail and adsorption material rail water permeability in the repair area outside, the degree of depth that highly is polluting groundwater cover at least of rail. Through drawing water to the big depth of drawing water well, the large-traffic recharge of water injection well to form the descending funnel, after adsorbing material adsorbs the groundwater pollutant, the degradation solidification to along with groundwater migration, to the well crowd that draws water gathers, takes out the earth's surface through the well crowd that draws water, carries out earth's surface treatment, purification, the utility model has the advantages of the volume of drawing water is little, the cycle is short and the treatment range is big.
Description
Technical Field
The utility model belongs to the technical field of groundwater remediation's technique and specifically relates to a swirl solidification groundwater remediation system is related to.
Background
Underground water is a precious fresh water resource for human beings, but with the continuous development of the social industrialization process, the problems of waste water discharge, industrial waste residues, agricultural irrigation, landfill site leakage, damage of transport pipelines and storage tanks of petrochemical raw materials and the like can cause underground water pollution, so that the problem of water resource shortage which is originally short is more serious, and serious threats and challenges are formed for living health, food safety, drinking water safety, regional ecological environment, sustainable development of economic society and even social stability, and underground water restoration becomes an environmental problem which is currently concerned by the public and the society.
At present, the remediation technology of polluted underground water is commonly used by an extraction technology, wherein the extraction treatment is to extract the underground water by a water pump, reasonably purify the underground water and inject the treated water into the underground water or discharge the treated water into surface water. The treatment method can efficiently remove the pollutants in the extracted water. But does not ensure effective removal of all contaminants from groundwater, particularly rock formations. Aiming at the problems that the water permeability of a pebble aquifer is good, the permeability is strong, and no better groundwater remediation method is available.
The above prior art solutions have the following drawbacks: especially in the stratum with good water permeability and strong permeability of a pebble aquifer, the extraction technology can not ensure that all pollutants in underground water are effectively removed, and the water pumping quantity is large and the treatment period is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a swirl solidification groundwater repair system can take the pollutant of groundwater out from the pumping well through inorganic inert adsorption material degradation solidification, through ground purification treatment recharge to the water injection well in, can effectively get rid of the pollutant of groundwater, and it is little to have the volume of drawing water, advantage that processing cycle is short.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a swirl solidification groundwater repair system, sets up and treats repair area department at groundwater, including suction well, water injection well and rail, the suction well is seted up and is put at repair area central point, is provided with a plurality of water injection wells along repair area outer contour line interval, it forms the rail that encloses the repair area to inject inorganic inert adsorption material into in the water injection well, the degree of depth of highly at least for polluting groundwater cover of rail.
By adopting the technical scheme, the large underground water falling funnel is formed in the repair area by synchronously pumping water to the outside of the pumping well in a large-depth descending manner and recharging the water injection well in a large flow rate, so that the underground water head has large pressure, high flow speed and short treatment period; the descending funnel can guide the inorganic inert adsorption material and underground water polluted by a repair area to the water pumping well, under the action of vortex, the inorganic inert adsorption material is mixed with the underground water and degrades and solidifies pollutants in the underground water, then the underground water is pumped to the ground surface through the water pumping well for treatment, the treated water is refilled to the water injection well, the water level in the water injection well is kept, the existence of pressure difference is ensured, the purification efficiency is ensured, and the pollutants in the underground water can be effectively removed; meanwhile, because the water pumping and the recharging are carried out simultaneously, a balanced cycle is formed, so that the water pumping purification only acts on the restoration area, and the water pumping amount is small; the utility model has the advantages of the volume of drawing water is little, the cycle is short and can effectively get rid of the pollutant in the groundwater.
The utility model discloses further set up to: the ground is provided with a filtering device for pumping water out of the pumping well, the water inlet end of the filtering device is communicated with the pumping well, and the water outlet end of the filtering device is communicated with the water injection well.
Through adopting above-mentioned technical scheme, filter equipment can purify the groundwater of taking out in the pumped well, and timely recharge is to in the water injection well, keeps water level in the water injection well, ensures the existence of pressure differential, guarantees purification efficiency.
The utility model discloses further set up to: the filter equipment includes sedimentation tank, filtering ponds and anaerobism pond, pumping well intercommunication sedimentation tank, sedimentation tank intercommunication filtering ponds, filtering ponds intercommunication anaerobism pond, the water injection well is connected to the anaerobism pond.
Through adopting above-mentioned technical scheme, the water of taking out through the pumped well carries out preliminary sedimentation through the sedimentation tank, then the leading-in tiny granule that enters the filtration pond and filter the groundwater, goes out the organic pollutant of groundwater through the anaerobism pond at last, and in last recharging income water injection pond, simply, purify groundwater fast, improve the treatment effeciency of groundwater.
The utility model discloses further set up to: the pumping wells are arranged in the middle of the repair area at intervals and form a pumping well group in the center of the repair area.
By adopting the technical scheme, the adaptive repairing area is larger, and the treatment range of underground water is enlarged.
The utility model discloses further set up to: the distance between the adjacent pumping wells is 4-7 m.
Through adopting above-mentioned technical scheme, guarantee to interact between each pumping well to form great pressure differential, make the sewage in the restoration region guide to pumping well department, then take out.
The utility model discloses further set up to: the diameter of the pumping well is 20-40 cm.
By adopting the technical scheme, the pumping capacity of the pumping well and the speed of treating underground water are ensured.
The utility model discloses further set up to: the distance between the adjacent water injection wells is 2-4 m.
By adopting the technical scheme, the proper interval of the water injection wells is selected according to the difference of geological permeability, so that the inorganic inert adsorption materials in the adjacent water injection wells can be mutually diffused and occluded.
The utility model discloses further set up to: the diameter of the water injection well is 20-40 cm.
By adopting the technical scheme, the water injection well can bear the recharge water amount in the process of underground water treatment.
To sum up, the utility model discloses a beneficial technological effect does:
1. by synchronously pumping water to the water pumping well in a large-depth descending manner and recharging the water injection well in a large flow manner, a large descending funnel is formed in a repair area, so that the inorganic inert adsorption cementing material can degrade and solidify pollutants in underground water and then is discharged through the drainage well, and the method has the advantages of small water yield and short period;
2. by arranging the pumping well group, a large-range repair area can be treated;
3. through setting up filter equipment, can purify the water that the pumped well was taken out, then timely recharge to the water injection well in, keep the water level in the water injection well, ensure the existence of pressure differential, guarantee purification efficiency.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure, 1, repair area; 2. pumping a water well; 3. a water injection well; 4. pumping a well group; 5. and (4) fencing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 and 2, for the utility model discloses a swirl solidification groundwater repair system sets up and treats repair area 1 department at groundwater, including pumping well 2, water injection well 3 and rail 5, and pumping well 2 sets up and puts at repair area 1 central point, and the diameter is 20-40 cm. The depth is drilled below the groundwater pollution layer, and a water pump is arranged in the pumping well 2 and used for pumping water outwards. A plurality of water injection wells 3 are uniformly arranged along the outer contour line of the repair area 1 at intervals, the diameter of each water injection well 3 is 20-40cm, and the distance between every two adjacent water injection wells 3 is 2-4 m. The water injection wells 3 are deeply drilled below a groundwater pollution layer and are shallower than the water pumping wells 2, the annular recharging well group is formed by surrounding the repair area 1 by the aid of the water injection wells 3, the distance between the water injection wells 3 and the water pumping wells 2 is not more than 200m, the distance is determined according to the permeability coefficient of water in a water seepage stratum, and the distance between the water pumping wells 2 and the water injection wells 3 can be increased or reduced properly. And (3) injecting an inorganic inert adsorption material into the water injection well 3 by using a high-pressure swirling method to form a fence 5 for enclosing the repair area 1, wherein the height of the fence 5 is at least the depth covered by the polluted underground water.
During construction, the pumping well 2 and the water injection well 3 are synchronously performed, the pumping well 2 is arranged in the repair area 1, the annular recharge well group is established at the periphery of the repair area 1, a large-depth-reduction water pumping and large-flow recharge method is adopted, and a large underground water dropping funnel is formed in the repair area 1, so that the pressure of the underground water head is large, and the flow speed is high. Descending funnel can be with the groundwater of inorganic inert adsorption material and 1 pollution of restoration region to 2 departments of suction well guide, under the effect of swirl, inorganic inert adsorption material mixes and degrades the solidification to the groundwater pollutant, then takes out the earth's surface through suction well 2 and handles, the water that will handle again is irritated back to water injection well 3 in, keep water level in the water injection well 3, ensure the existence of pressure differential, guarantee purification efficiency, can effectively get rid of the pollutant of groundwater.
The inorganic inert adsorbent material may be a carbonaceous adsorbent or a mineral adsorbent, depending on the contaminants in the groundwater. The carbonaceous adsorbent is used for producing active carbon by taking coal coke, petroleum coke, pitch coke or other carbonaceous materials as raw materials, and is characterized by rich sources, stable yield and lower cost. The mineral material is obtained by processing and modifying natural rocks and minerals serving as raw materials and has the characteristics of low price, easy obtainment and high operability.
In order to guarantee that the underground water pumped out of the pumping well 2 is purified and timely recharged to the water injection well 3, a filtering device used for purifying the underground water pumped out of the pumping well 2 is arranged on the ground, the water inlet end of the filtering device is communicated with the pumping well 2, and the water outlet end of the filtering device is communicated with the water injection well 3.
Filter equipment includes sedimentation tank, filtering ponds and anaerobism pond, 2 intercommunication sedimentation tanks of pumping well, and sedimentation tank intercommunication filtering ponds, filtering ponds intercommunication anaerobism pond, and water injection well 3 is connected in the anaerobism pond, and above sedimentation tank, filtering ponds and anaerobism pond all are prior art, do not describe here again tiredly. Water pumped through the pumping well 2 is preliminarily precipitated through the sedimentation tank, then fine particles in underground water at the filtering position of the filter tank are guided in, organic pollutants in the underground water are removed through the anaerobic tank, and finally the organic pollutants are reinjected into the water injection tank, so that the underground water is simply and quickly purified, and the treatment speed of the underground water is increased.
When the area of the repair area 1 is large, the whole repair area 1 cannot be completely affected by a dropping funnel formed by one pumping well 2, a plurality of pumping wells 2 are arranged in the middle of the repair area 1 at intervals, and the distance between every two adjacent pumping wells 2 is 4-7 m. The multiple water pumping wells 2 pump water from the well group 4 in the center of the repair area 1, and the well group 4 pumps water outwards at a large depth and a large flow rate at the same time and then pumps water back to the water injection well 3 through a filter device. The purification speed of groundwater in the restoration area 1 is ensured, and the treatment period is shortened.
The system is suitable for a strong permeable stratum, pollutants in the underground water are 8-10m above the underground water, and the treatment range is 800-1000 m. The strong water permeable layer is a pebble water-containing layer, and has good water permeability and strong permeability.
The construction process is as follows:
s1, forming a pumping well group 4: drilling and injecting a plurality of pumping wells 2 at intervals in the middle of the repair area 1, drilling the pumping wells 2 below the underground water pollution layer, and forming a pumping well group 4 by the plurality of pumping wells 2;
s2, forming an annular recharging well group: a plurality of water injection wells 3 are arranged at intervals along the outline of the repair area 1, and the water injection wells 3 are drilled below the groundwater pollution layer;
s3, forming the fence 5: injecting inorganic inert adsorption materials into each water injection well 3 by adopting a high-pressure rotary spraying method to form a fence 5, and enabling the inorganic inert adsorption materials to diffuse outwards to enable the fence 5 to enclose the repair area 1;
s4, groundwater remediation: carry out large-traffic outside 2 pumped wells, draw water greatly to the deepening, large-traffic injection is taken out the water that purifies through filter equipment by pumped well 2 in water injection well 3 in step, form the descending funnel at remediation region 1, the descending funnel can be with the groundwater of inorganic inertia adsorption material and remediation region 1 pollution to 2 departments of pumped well guide, under the effect of swirl, inorganic inertia adsorption material mixes with groundwater and carries out the degradation solidification to the groundwater pollutant, then take out the earth's surface through pumped well 2 and handle, the water of will handling again is irritated back to water injection well 3 in, keep water injection well 3 internal water level, ensure the existence of pressure differential, guarantee purification efficiency, can effectively get rid of the pollutant of groundwater. And circulating the processes until the purification of the polluted water is finished. And after purification is finished, the water quality of the underground water to be pumped from the pumping well 2 is analyzed, the underground water quality standard is met, and pumping and recharging can be stopped.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a swirl solidification groundwater repair system, sets up in groundwater and treats repair area (1) department, its characterized in that: including pumping well (2), water injection well (3) and rail (5), set up in repair area (1) central point in pumping well (2) and put, be provided with a plurality of water injection wells (3) along repair area (1) outer contour line interval, it forms rail (5) that enclose repair area (1) to inject inorganic inert adsorption material in water injection well (3), the degree of depth of highly polluting groundwater cover at least of rail (5).
2. A vortex solidifying groundwater remediation system as claimed in claim 1, wherein: the water purification device is characterized in that a filtering device used for purifying pumped water in the pumping well (2) is arranged on the ground, the water inlet end of the filtering device is communicated with the pumping well (2), and the water outlet end of the filtering device is communicated with the water injection well (3).
3. A vortex solidifying groundwater remediation system as claimed in claim 2, wherein: the filter equipment includes sedimentation tank, filtering ponds and anaerobism pond, pumping well (2) intercommunication sedimentation tank, sedimentation tank intercommunication filtering ponds, filtering ponds intercommunication anaerobism pond, water injection well (3) are connected to the anaerobism pond.
4. A vortex solidifying groundwater remediation system as claimed in claim 1, wherein: the pumping wells (2) are arranged in the middle of the repair area (1) at intervals and are multiple, and the pumping wells (2) form a pumping well group (4) in the center of the repair area (1).
5. A vortex solidifying groundwater remediation system as claimed in claim 4, wherein: the distance between the adjacent pumping wells (2) is 4-7 m.
6. A vortex solidifying groundwater remediation system as claimed in claim 4, wherein: the diameter of the pumping well (2) is 20-40 cm.
7. A vortex solidifying groundwater remediation system as claimed in claim 1, wherein: the distance between the adjacent water injection wells (3) is 2-4 m.
8. A vortex solidifying groundwater remediation system as claimed in claim 1, wherein: the diameter of the water injection well (3) is 20-40 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768698.XU CN210012715U (en) | 2019-05-24 | 2019-05-24 | Vortex solidification groundwater repair system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768698.XU CN210012715U (en) | 2019-05-24 | 2019-05-24 | Vortex solidification groundwater repair system |
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| CN210012715U true CN210012715U (en) | 2020-02-04 |
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| CN201920768698.XU Active CN210012715U (en) | 2019-05-24 | 2019-05-24 | Vortex solidification groundwater repair system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104892A (en) * | 2019-05-24 | 2019-08-09 | 北京爱地地质勘察基础工程公司 | A kind of whirlpool solidification groundwater remediation system and its restorative procedure |
| CN111423069A (en) * | 2020-04-27 | 2020-07-17 | 北京市市政四建设工程有限责任公司 | Groundwater pumping treatment recharge system and groundwater treatment method |
-
2019
- 2019-05-24 CN CN201920768698.XU patent/CN210012715U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104892A (en) * | 2019-05-24 | 2019-08-09 | 北京爱地地质勘察基础工程公司 | A kind of whirlpool solidification groundwater remediation system and its restorative procedure |
| CN110104892B (en) * | 2019-05-24 | 2023-11-28 | 北京爱地地质勘察基础工程公司 | Vortex solidified underground water restoration system and restoration method thereof |
| CN111423069A (en) * | 2020-04-27 | 2020-07-17 | 北京市市政四建设工程有限责任公司 | Groundwater pumping treatment recharge system and groundwater treatment method |
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