CN219450909U - Efficient intelligent well for groundwater extraction-recharging - Google Patents
Efficient intelligent well for groundwater extraction-recharging Download PDFInfo
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- CN219450909U CN219450909U CN202320429206.0U CN202320429206U CN219450909U CN 219450909 U CN219450909 U CN 219450909U CN 202320429206 U CN202320429206 U CN 202320429206U CN 219450909 U CN219450909 U CN 219450909U
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Abstract
The utility model relates to the technical field of groundwater remediation treatment, and provides a high-efficiency intelligent well for groundwater extraction-recharging. A sedimentation pipe is buried below a well pipe in a well hole, a permeable sand-free pipe is connected above the sedimentation pipe, a water pumping pipe and a liquid-gas double-medium side flushing pipe are arranged in the well pipe, the bottom of the water pumping pipe is connected with a water pumping pump, and the top end of the water pumping pipe is externally connected to a polluted underground water treatment facility. The liquid-gas double-medium side flushing pipe is used as the top end of the recharging device and is connected with a tee joint, and two ends of the tee joint are respectively connected with an air compressor and a treatment standard underground water collecting device through pipelines. The utility model can utilize high-pressure air to wash the pipe wall before recharging to ensure smooth recharging and pressurized permeation in recharging stage, and can realize groundwater level display, ultralow warning water level alarm, water pump control linkage, high water level display and pumping circulation work through one well, thereby improving the working efficiency of pumping-treating-recharging polluted groundwater.
Description
Technical Field
The utility model relates to the technical field of groundwater remediation treatment of polluted sites, and provides a high-efficiency intelligent well for groundwater extraction-recharging.
Background
Currently, among many restoration methods for field polluted groundwater, extraction-treatment-recharging of the polluted groundwater is a relatively mature treatment mode with wider application and technology. The pumping of the site polluted groundwater and the recharging of the groundwater reaching the standard are important links of groundwater remediation and treatment work, and the efficiency of the recharging is high and low, so that the final groundwater treatment quality and the total progress of the remediation work are greatly affected. For the extraction and recharging of groundwater, it is necessary to perform operations by excavating groundwater wells. The structural arrangement and layout of the underground well are of great importance to the development of groundwater remediation work.
In the prior art, the extraction speed of the groundwater is low, and the backflow speed and the backflow efficiency of the groundwater recharge and permeation after the groundwater is treated to reach the standard are low; the functions of monitoring and early warning of groundwater parameters such as water level are not perfect enough, and faults are easy to be caused. The defects influence the quality and efficiency of the site polluted groundwater remediation work.
Disclosure of Invention
The utility model provides a high-efficiency intelligent well for groundwater extraction-recharging, which aims to solve the problems that in the prior art, groundwater extraction and recharging speed is low, and the progress and efficiency of total groundwater extraction-treatment-standard recharging operation cannot be met.
The utility model provides a high-efficiency intelligent well for groundwater extraction-recharge, which comprises a well hole, wherein a well pipe is arranged in the well hole, and a filter material is filled between the outer wall of the well pipe and the well hole; the well pipe sequentially comprises a permeable sand-free pipe and a sedimentation pipe positioned at the bottom end of the well pipe from the surface downwards, and the bottom surface of the sedimentation pipe is closed; a water pumping pipe and a liquid-gas double-medium side flushing pipe are arranged in the well pipe; the pumping pipe is positioned at one end of the well pipe bottom, is connected with the submersible pump, extends to the ground surface from the well pipe bottom and is connected with a polluted underground water treatment facility; the periphery of the pipe wall of the liquid-gas double-medium side flushing pipe is provided with a plurality of side leakage holes, the bottom is sealed, and the horizontal height of the bottom is higher than the bottom surface of the sedimentation pipe; the liquid-gas double-medium side flushing pipe is positioned at the top end of the ground surface and is respectively connected with the air compressor and the underground water reaching the standard through a tee joint.
Optionally, an ultralow warning water level alarm, a water pump interlocking sensor, a temperature and water quality sensor and a high water level display sensor are sequentially arranged on the liquid-gas double-medium side wash pipe from the bottom end to the ground.
Optionally, the ultra-low warning water level alarm and water pump interlocking sensor, the temperature and water quality sensor and the high water level display sensor are all of an IP 68-level full-sealing structure and are all connected with the ground control terminal in a wireless communication mode.
Optionally, the liquid-gas double-medium side flushing pipe is formed by connecting a plurality of single pipes through flanges.
Optionally, the side leakage holes are uniformly distributed from top to bottom along the length direction of the liquid-gas double-medium side flushing pipe and are uniformly distributed along the periphery of the pipe wall.
Optionally, the aperture of the side leakage hole is 10mm.
Optionally, the tee bend is located the both ends of earth's surface and all is connected with air compressor, treatment up to standard groundwater through metal collapsible tube and pneumatic valve respectively.
Optionally, a supporting device is arranged on a pipeline for connecting the metal hose with the air compressor and the treatment standard-reaching groundwater and is fixedly connected with the ground.
The utility model can realize the efficient extraction of the polluted groundwater and the efficient recharging of the groundwater reaching the standard. Specifically, by arranging device components such as a liquid-gas double-medium side flushing pipe, an air compressor and the like, a pumping-recharging structure of the high-efficiency intelligent well is formed, and the pressure in the well is increased through high-pressure air flow when pumping work is carried out, so that pumping efficiency is improved; flushing sediment which is retained on the wall of the permeable sand-free pipe due to water pumping by utilizing high-pressure air flow before recharging operation starts; and during recharging, the water-vapor cooperation mode is adopted to improve the recharging water permeation speed and the overall recharging efficiency. Therefore, the utility model can greatly improve the operation speed and the operation efficiency of the groundwater pumping and recharging links in groundwater remediation work.
Furthermore, the utility model can also obtain groundwater parameters through various sensors to form groundwater level and water quality dynamic monitoring, warning and alarming and water pump interlocking which are controlled in an intelligent way and can be combined with a ground control terminal to provide reliable information resources and decision basis for pumping and recharging operation.
Drawings
FIG. 1 is a schematic diagram of a high efficiency intelligent well structure of the present utility model.
In the figure, a 1-permeable sand-free pipe, a 2-sedimentation pipe, a 3-filter material, a 4-ultralow warning water level alarm and water pump interlocking sensor, a 5-high water level display sensor, a 6-temperature and water quality sensor, a 7-water pumping pipe, an 8-liquid-gas double-medium pipe side flushing pipe, an 81-side leakage hole, a 9-air compressor, a 10-submersible pump, an 11-tee joint, a 12-metal hose, a 13-pneumatic valve, a 14-pipeline support and a 15-flange.
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings and detailed description.
The high-efficiency intelligent well for pumping out and recharging the underground water can realize high-efficiency pumping out of the polluted underground water and high-efficiency recharging of the underground water reaching the standard.
As shown in fig. 1, the well structure comprises a well bore in which a well tubular is arranged, between the outer wall of the well tubular and the well bore a filter material 3 is filled; the well pipe sequentially comprises a water permeable sand-free pipe 1 and a sedimentation pipe 2 positioned at the bottom end of the well pipe from the surface downwards, and the bottom surface of the sedimentation pipe 2 is closed; a water pumping pipe 7 and a liquid-gas double-medium side flushing pipe 8 are arranged in the well pipe; one end of the water pumping pipe 7 positioned at the bottom of the well pipe is connected with the submersible pump 10, and the water pumping pipe 7 extends from the bottom of the well pipe to the ground surface and is connected with a polluted underground water treatment facility; a plurality of side leakage holes 81 are formed around the pipe wall of the liquid-gas double-medium side flushing pipe 8, the bottom is sealed, and the horizontal height of the bottom is higher than the bottom surface height of the sedimentation pipe 2; the top end of the liquid-gas double-medium side flushing pipe 8 positioned on the ground surface is respectively connected with the air compressor 9 and the underground water reaching the treatment standard through a tee joint 11.
Specifically, the water permeable sand-free pipe 1 is a customized sand stone water permeable pipe, the water pumping pipe 7 is a light rubber plastic pipe, the filter material 3 is gravel, and the air compressor 9 is a screw air compressor.
The intelligent well of the utility model is actually operated:
in the pumping stage, the pumping pipe 7 starts pumping water when the submersible pump 10 operates, and polluted underground water enters the polluted underground water treatment facility on the ground surface from the bottom of the well along the pumping pipe 7 pipeline for treatment and purification. In the process, in order to improve the pumping efficiency and speed, the air compressor 9 is started, high-pressure air enters the well pipe through the side leakage holes 81 of the liquid-gas double-medium side flushing pipe 8 by the tee joint 11, the pressure inside the well can be increased, the water pressure is increased, and the pumping speed and efficiency are improved.
Before the treatment of the underground water reaching the standard, the air compressor 9 is started, high-pressure air flows enter the well pipe through the tee joint 11 and the side leakage holes 81 of the liquid-air double-medium side flushing pipe 8, and sediment and the like deposited on the wall of the permeable sand-free pipe 1 in the water pumping operation process are flushed, so that the recharging operation is ensured to be carried out smoothly.
At the beginning of the recharging operation of the treated standard-reaching groundwater, the treated standard-reaching groundwater flows into the liquid-gas double-medium side flushing pipe 8 through the tee joint 11 and flows into the well through the pipe wall side leakage holes 81. In order to increase the recharging speed and increase the water penetration, the air compressor 9 can be started at the same time, so that the high-pressure air flow and the water are mixed and injected into the well through the liquid-gas double-medium side flushing pipe 8.
The high-efficiency intelligent well pumping-recharging structure can increase the pressure in the well through high-pressure air flow when pumping work is carried out, so that pumping efficiency is improved; flushing sediment which is retained on the wall of the permeable sand-free pipe due to water pumping by utilizing high-pressure air flow before recharging operation starts; and during recharging, the water-vapor cooperation mode is adopted to improve the recharging water permeation speed and the overall recharging efficiency. Thereby greatly improving the operation speed and the working efficiency of the groundwater pumping and recharging links in groundwater remediation work.
Further, it is preferable that an ultra-low warning water level alarm and water pump interlocking sensor 4, a temperature and water quality sensor 6, and a high water level display sensor 5 are provided in this order from the bottom to the ground on the liquid-gas double-medium side flushing pipe 8. Further, the three types of sensors are all of IP 68-level full-sealing structures, are all connected with the ground control terminal in a wireless communication mode, signals are transmitted in an electric signal mode, and the ground control terminal receives water quality and water level information and is interlocked through a water pump to realize automatic and intelligent control. Through the arrangement of the sensor, the ground water level dynamic monitoring, warning and alarming and water pump interlocking which are normalized and intelligent are realized, and a reliable basis is provided for pumping and recharging operation.
Preferably, the liquid-gas double-medium side flushing pipe is formed by connecting a plurality of single pipes through flanges 15. Through the form of multisection connection, according to the depth design requirement of well construction, connect to the well head department from the shaft bottom, link with flange between each festival.
Preferably, the side leakage holes 81 are uniformly distributed from top to bottom along the length direction of the liquid-gas double-medium side flushing pipe 8 and are uniformly distributed along the periphery of the pipe wall.
Preferably, both ends of the tee joint 11 positioned on the ground surface are respectively connected with the air compressor 9 and the treatment standard-reaching groundwater through a metal hose 12 and a pneumatic valve 13. Further, a supporting device 14 is arranged on a pipeline for connecting the metal hose 12 with the air compressor 9 and the underground water reaching the treatment standard and is fixedly connected with the ground.
Examples
This example provides one specific construction embodiment of the high efficiency intelligent well of the present utility model.
And opening the well hole to a set depth by means of a traditional hole opening mode, burying a sedimentation pipe 2 at the bottom of the well hole, connecting the permeable sand-free pipe 1 to the ground upwards by means of a connecting pipe, and filling a filter material 3 between the wall of the hole and the outer wall of the well pipe until the construction of the main well structure is completed while connecting the pipe.
The port of the water suction pipe 7 is connected with a water suction pump, namely a submersible pump 10, which is arranged below the bottom hole sedimentation pipe 2, and the terminal of the water suction pipe 7 is connected with a water treatment facility.
The liquid-gas double-medium side flushing pipe 8 is connected with a single pipe into a long pipe through a connecting flange, and the length of the pipe body of the liquid-gas double-medium side flushing pipe 8 is designed by combining the result of the given well depth and the groundwater level of the geological survey. The bottom of the liquid-gas double-medium side flushing pipe 8 is higher than the sedimentation pipe 2. The bottom of the liquid-gas double-medium side flushing pipe 8 is of a sealing structure, holes are uniformly formed in the periphery of the pipe wall, and the aperture size is 10mm.
The top end of the liquid-gas double-medium side flushing pipe 8 is connected with a tee joint 11, and two sides of the tee joint 11 are respectively connected with a screw air compressor 9 through a metal hose 12, a pneumatic valve 13 and a pipeline to treat up-to-standard underground water sources. The pipeline and its connection device are supported and fixed by a supporting device 14.
When the liquid-gas double-medium side flushing pipe 8 is erected, an ultralow warning water level alarm and water pump interlocking sensor 4 is arranged at the head of a first section of single pipe close to the upper part of the sedimentation pipe, a high water level display sensor 5 is arranged at the upper middle part of the liquid-gas double-medium side flushing pipe 8 according to the groundwater level, and a temperature and water quality sensor 6 is arranged at a proper position.
In the pumping stage, when the submersible pump 10 operates, the pumping pipe 7 starts pumping water, polluted underground water enters a water treatment facility along a pipeline, the screw air compressor 9 is started to improve pumping efficiency, high-pressure air enters the well pipe from the liquid-air double-medium side flushing pipe 8 through the pneumatic valve 13 and the metal hose 12, the pressure inside the well is increased, and pumping efficiency is improved.
Before the treatment of the underground water reaching the standard, the screw rod type air compressor 9 is started, the pneumatic valve 13 connected with the screw rod type air compressor is started, high-pressure air flow enters the well pipe through the liquid-air double-medium side flushing pipe 8, sediment and the like deposited on the wall of the permeable sand-free pipe 1 in the water pumping operation process are flushed, and the smooth recharging operation is ensured.
At the beginning of the recharging operation of the treated underground water, a pneumatic valve 13 connected with the treated underground water is opened, and water flows through a metal hose 12 and a tee joint 11, flows through a liquid-gas double-medium side flushing pipe 8 and flows into a well through a pipe wall side leakage hole 81. In order to increase the recharging speed and increase the water penetration, the screw rod type air compressor 9 can be started at the same time, so that the high-pressure air flow and the water are mixed and injected into the well through the liquid-gas double-medium side flushing pipe 8.
The above-mentioned high-efficient intelligent well of this embodiment can realize groundwater level display, ultra-low warning water level warning and water pump control are interlocked, and high water level shows and the circulation work of pumping is accelerated through a well to can utilize high-pressure wind to wash the pipe wall before recharging and ensure that the recharging is unblocked, pressurization infiltration in the recharging stage, improved contaminated groundwater and taken out-handle-recharging work efficiency.
The foregoing detailed description has been provided for the purposes of illustration in connection with specific embodiments and exemplary examples, but such description is not to be construed as limiting the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications and improvements may be made to the technical solution of the present application and its embodiments without departing from the spirit and scope of the present application, and these all fall within the scope of the present application.
Claims (8)
1. An efficient intelligent well for groundwater extraction-recharge, comprising a well bore, characterized in that a well pipe is arranged in the well bore, and a filter material is filled between the outer wall of the well pipe and the well bore; the well pipe sequentially comprises a permeable sand-free pipe and a sedimentation pipe positioned at the bottom end of the well pipe from the surface downwards, and the bottom surface of the sedimentation pipe is closed;
a water pumping pipe and a liquid-gas double-medium side flushing pipe are arranged in the well pipe; the pumping pipe is positioned at one end of the well pipe bottom, is connected with the submersible pump, extends to the ground surface from the well pipe bottom and is connected with a polluted underground water treatment facility; the periphery of the pipe wall of the liquid-gas double-medium side flushing pipe is provided with a plurality of side leakage holes, the bottom is sealed, and the horizontal height of the bottom is higher than the bottom surface of the sedimentation pipe; the liquid-gas double-medium side flushing pipe is positioned at the top end of the ground surface and is respectively connected with the air compressor and the underground water reaching the standard through a tee joint.
2. The high-efficiency intelligent well according to claim 1, wherein an ultralow warning water level warning and water pump interlocking sensor, a temperature and water quality sensor and a high water level display sensor are sequentially arranged on the liquid-gas double-medium side flushing pipe from the bottom end to the ground.
3. The high-efficiency intelligent well according to claim 2, wherein the ultra-low warning water level alarm and water pump interlocking sensor, the temperature and water quality sensor and the high water level display sensor are all of an IP 68-level fully-sealed structure and are all connected with a ground control terminal in a wireless communication mode.
4. The high efficiency intelligent well according to claim 1, wherein the liquid-gas double medium side flushing pipe is formed by a plurality of single pipes connected by flanges.
5. The high-efficiency intelligent well according to claim 1 or 4, wherein the side leakage holes are uniformly distributed from top to bottom along the length direction of the liquid-gas double-medium side flushing pipe and are uniformly distributed along the periphery of the pipe wall.
6. The high efficiency intelligent well according to claim 5, wherein the lateral leak hole aperture is 10mm.
7. The high-efficiency intelligent well according to claim 1, wherein the three-way pipe is connected with the air compressor and the treated standard groundwater respectively through the metal hose and the pneumatic valve at two ends of the earth surface.
8. The high-efficiency intelligent well according to claim 7, wherein a supporting device is arranged on a pipeline for connecting the metal hose with the air compressor and the treatment standard groundwater and is fixedly connected with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429206.0U CN219450909U (en) | 2023-03-09 | 2023-03-09 | Efficient intelligent well for groundwater extraction-recharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429206.0U CN219450909U (en) | 2023-03-09 | 2023-03-09 | Efficient intelligent well for groundwater extraction-recharging |
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| CN219450909U true CN219450909U (en) | 2023-08-01 |
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| CN202320429206.0U Active CN219450909U (en) | 2023-03-09 | 2023-03-09 | Efficient intelligent well for groundwater extraction-recharging |
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- 2023-03-09 CN CN202320429206.0U patent/CN219450909U/en active Active
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