CN215480219U - Underground water circulating well system with repair equipment - Google Patents
Underground water circulating well system with repair equipment Download PDFInfo
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- CN215480219U CN215480219U CN202121568451.7U CN202121568451U CN215480219U CN 215480219 U CN215480219 U CN 215480219U CN 202121568451 U CN202121568451 U CN 202121568451U CN 215480219 U CN215480219 U CN 215480219U
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Abstract
The utility model relates to the technical field of underground water circulating wells, in particular to an underground water circulating well system with a repairing device, which comprises an underground well, a purifying module and an overhauling module, wherein the underground well is hermetically divided into an upper space and a lower space by a partition plate, the upper space and the lower space are communicated by a water pump, the side wall of the upper space is provided with a filter screen for filtering, and the side wall of the lower space is provided with a quartz sand layer for percolation; the purification module is used for purifying the water in the upper space, and the maintenance module is used for extracting the purification module to the ground to be maintained or replaced. The position of the filter screen is changed by adding a lifting assembly, the filter element assembly can be very conveniently detached for cleaning or replacement, the service efficiency of the filter screen is greatly improved, and the service life of the filter element assembly is prolonged.
Description
Technical Field
The utility model relates to the technical field of underground water circulating wells, in particular to an underground water circulating well system with a repairing device.
Background
At present, the current situation of groundwater pollution in China is not optimistic, and national groundwater pollution investigation data show that more than 90% of groundwater resources in China are polluted to different degrees, wherein about 60% of groundwater is seriously polluted. The problem of groundwater pollution not only causes huge economic loss, but also brings huge threats to the life health of people, and the speed of repairing polluted groundwater is up to date.
The groundwater remediation technology is mainly divided into an in-situ remediation technology and an ex-situ remediation technology, and compared with the ex-situ remediation technology, the in-situ remediation technology has the advantages of strong applicability, small environmental interference, low remediation cost and the like. The underground water circulating well is one of the most promising underground water in-situ remediation technologies, and compared with other remediation technologies, the circulating well technology has the following advantages: (1) the circulating well is simple in structure and convenient to operate and maintain, and the circulating well technology can be used in combination with other repairing technologies, so that the repairing effect is improved; (2) the change range of the underground water level is low, and the pollutant is not easy to diffuse; (3) the polluted underground water does not need to be pumped out of the ground surface, the supporting equipment and facilities are less, and the operation cost is lower.
At present, partial research is carried out on underground water circulating wells by domestic colleges and universities and repair engineering, and related research results apply for national patents, for example, Chinese patent document CN204999675U discloses a combined repairing device for in-situ injection and circulating extraction of soil underground water, which is characterized by comprising an extraction system, a wastewater treatment system, a medicament configuration system, an injection system and a matched underground water monitoring system which are connected through corresponding pipelines. However, the patent only attaches importance to the treatment of polluted underground water, neglects the treatment accompanied by pumping out harmful gases, lacks a waste gas treatment system, and produces tail gas containing pollutants in the repair process, which is easy to cause secondary pollution. Chinese patent document CN201720726392.9 discloses a circulating well device for in-situ remediation of organic polluted underground water, which is characterized by comprising a circulating well, an aeration system, a biological treatment system and a medicament adding system. However, in the patent, chemical agents are required to be added to the bottom of the circulating well, pollutants are removed by chemical reaction of the agents, the bottom of the circulating well is communicated with a groundwater aquifer, the agents are easy to diffuse into the aquifer to cause secondary pollution, and the problem of tail gas treatment in the repairing process is not considered in the device. Chinese patent document CN201910551168.4 discloses a purification system of a high purification efficiency underground water circulation well, which is characterized in that the device comprises an outer well, an inner well, an installation pipe, a filter pipe, a corrugated metal hose, an activated carbon adsorption device, an aeration pipe, an air extraction pipe, a chemical injection pipe, etc. The device has the following defects that the bottom of the inner well is communicated with a groundwater aquifer, and the medicament injected by the medicament injection pipe is easy to diffuse into the aquifer to cause secondary pollution; in addition, the device only depends on the negative pressure effect formed by the gas extraction system to ensure that the water level of the inner well is higher than the water level of the surrounding underground water, the water level difference is small, the stability is poor, and the removal effect of pollutants in the underground water is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a groundwater circulating well system with a repairing device for solving the technical problems, which comprises a groundwater circulating well, a purification module and an overhaul module, wherein the groundwater circulating well system comprises a groundwater circulating well, the groundwater circulating well is hermetically divided into an upper space and a lower space by a partition plate, the upper space and the lower space are communicated by a water pump, the side wall of the upper space is provided with a filter screen for filtering, the side wall of the lower space is provided with a quartz sand layer for percolation, and the purification module and the overhaul module are arranged;
the purification module is used for purifying the water in the upper space, and the maintenance module is used for extracting the purification module to the ground to be maintained or replaced.
Optionally, the underground well comprises a precipitation layer, a quartz sand layer, a first cement layer, a filter screen and a second cement layer which are distributed from bottom to top, the top of the second cement layer is flush with the ground, and two ends of the partition board are hermetically connected with the first cement layer.
Optionally, the purification module comprises a filter element assembly, the filter element assembly is inserted into the filter screen, and the mesh number of the filter element assembly is larger than that of the filter screen.
Optionally, the maintenance module includes lifting unit, lifting unit includes motor and threaded rod, threaded rod one end pass the lateral wall in upper space and with filter element group spare fixed connection, the lateral wall in upper space is equipped with the confession the through-hole that filter element group spare reciprocated.
Optionally, the lifting assembly further comprises a worm gear mechanism, the worm gear is connected with the output end of the motor, one end of the worm is meshed with the worm gear, and the other end of the worm is meshed with the threaded rod.
Optionally, the top of threaded rod is equipped with the nut, and the lateral wall and the filter element subassembly fixed connection of upper space are passed to the bottom.
Optionally, the filter element assembly includes a UF membrane and a first bracket, an inner wall of the UF membrane is fixedly connected with the first bracket in a criss-cross manner to form a plurality of filtering spaces, and each filtering space is filled with a filtering and adsorbing material.
Optionally, the purification module comprises an aeration component and an exhaust gas treatment component, the aeration component comprises an aeration nozzle extending into the bottom of the upper space, and the aeration nozzle is connected with an aerator through an aeration pipe;
the waste gas treatment subassembly includes waste gas pipe one, fan, waste gas treatment case and waste gas pipe two, the upper portion absorption gas of upper space is stretched into to the one end of waste gas pipe two, and the entry of fan is connected to the other end, and the export of fan meets waste gas pipe one and discharges after handling to the waste gas treatment case.
Optionally, the exhaust-gas treatment subassembly still includes gaseous detector, the export of exhaust-gas treatment case connects exhaust pipe three, exhaust pipe three communicates with gaseous detector's entry, gaseous detector's first export is discharged the purge gas through exhaust pipe four, and the second export will not purify up to standard gas through exhaust pipe five and discharge back to in the upper space.
Optionally, the system further comprises a well box, the well box is covered on the underground well to form a closed space, and the purification module and the maintenance module are both located in the closed space.
Has the advantages that: the utility model provides a groundwater circulating well system with a repairing device, which comprises a groundwater well, a purification module and an overhaul module, wherein the groundwater well is hermetically divided into an upper space and a lower space by a partition plate, the upper space is communicated with the lower space by a water pump, a filter screen for filtering is arranged on the side wall of the upper space, and a quartz sand layer for percolation is arranged on the side wall of the lower space; the purification module is used for purifying the water in the upper space, and the maintenance module is used for extracting the purification module to the ground to be maintained or replaced. The position of the filter screen is changed by adding a lifting assembly, the filter element assembly can be very conveniently detached for cleaning or replacement, the service efficiency of the filter screen is greatly improved, and the service life of the filter element assembly is prolonged.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic structural view of a groundwater circulating well system with a remediation device according to the present invention;
FIG. 2 is a schematic structural view of a filter element assembly of the groundwater circulating well system with a remediation device according to the present invention;
FIG. 3 is a top view of a filter element assembly of a groundwater circulation well system with remediation equipment according to the present invention;
FIG. 4 is a schematic structural diagram of a worm gear mechanism of the groundwater circulating well system with the remediation device.
In the figure: 1. an underground well; 11. a precipitate layer; 12. a quartz sand layer; 13. a first cement layer; 14. filtering with a screen; 15. a second cement layer; 2. a filter element assembly; 21. a UF membrane; 22. filtering the adsorption material; 23. a first bracket; 3. a ground surface; 4. an exhaust gas treatment component; 41. a waste gas treatment tank; 42. a first exhaust pipe; 43. a fan; 44. a second exhaust pipe; 45. an exhaust pipe III; 46. a gas detector; 47. an exhaust pipe IV; 48. an exhaust pipe V; 5. a lifting assembly; 51. a second bracket; 52. a motor; 53. a nut; 54. a well box; 541. a worm gear; 542. a worm; 55. a threaded rod; 6. a well box; 7. an aeration assembly; 71. an aerator; 72. an aeration pipe; 73. an aeration nozzle; 8. a partition assembly; 81. a partition panel; 82. and (4) a water pump.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, the utility model provides a groundwater circulating well system with a repairing device, which comprises a groundwater circulating well 1, wherein the groundwater circulating well 1 is hermetically divided into an upper space and a lower space by a partition plate, the upper space and the lower space are communicated by a water pump, a filter screen 14 for filtering is arranged on the side wall of the upper space, a quartz sand layer 12 for percolation is arranged on the side wall of the lower space, and the groundwater circulating well system further comprises a purification module and an overhaul module; the purification module is used for carrying out purification treatment on the water in the upper space, and the maintenance module is used for extracting the purification module to the ground 3 to be maintained or replaced.
The inner wall of the cement layer is provided with a partition board to separate untreated underground water from treated underground water, and untreated water is conveyed to the upper side by a water pump for treatment.
Optionally, the underground well 1 comprises a precipitation layer 11, a quartz sand layer 12, a first cement layer 13, a filter screen 14 and a second cement layer 15 which are distributed from bottom to top, the top of the second cement layer 15 is flush with the ground 3, and two ends of the partition board are hermetically connected with the first cement layer 13.
Optionally, the purification module comprises a filter element assembly 2, the filter element assembly 2 is inserted into the filter screen 14, and the mesh number of the filter element assembly 2 is larger than that of the filter screen 14. The maintenance module comprises a lifting component 5, the lifting component 5 comprises a motor 52 and a threaded rod, one end of the threaded rod penetrates through the side wall of the upper space and is fixedly connected with the filter element component 2, and the side wall of the upper space is provided with a through hole for the filter element component 2 to move up and down. The lifting assembly 5 further comprises a worm gear mechanism, the worm gear is connected with the output end of the motor 52, one end of the worm is meshed with the worm gear, and the other end of the worm is meshed with the threaded rod. The filter element assembly 2 comprises a UF membrane 21 and a first bracket 23, wherein the inner wall of the UF membrane 21 is fixedly connected with the first bracket 23 in a criss-cross manner to form a plurality of filtering spaces, and each filtering space is filled with a filtering and adsorbing material 22. The filter adsorbent material 22 may be activated carbon or the like.
Specifically, the underground well 1 comprises a precipitation layer 11, a quartz sand layer 12, a cement layer I13, a filter screen 14 and a cement layer II 15, the underground well 1 is arranged inside the ground 3, the cement layer II 15 is arranged at the bottom of the ground 3, the filter screen 14 is arranged at the bottom of the cement layer II 15, the cement layer I13 is arranged at the bottom of the filter screen 14, the quartz sand layer 12 is arranged at the bottom of the cement layer I13, the precipitation layer 11 is arranged at the bottom of the quartz sand layer 12, and the lifting assembly 5 is arranged on the ground 3.
The filter element assembly 2 comprises a UF membrane 21, a filter and adsorption material 22 and a first support 23, the filter element assembly 2 is arranged on the inner wall of the filter screen 14, the first support 23 is arranged inside the filter and adsorption material 22, and the UF membrane 21 is arranged on two sides of the first support 23.
Referring to fig. 1-4, an underground well 1 is arranged on the ground, a cement layer I13 is arranged at the bottom of the ground 3, a filter screen 14 is arranged at the bottom of the cement layer I13, a cement layer II 15 is arranged at the bottom of the filter screen 14, a quartz sand layer 12 is arranged at the bottom of the cement layer II 15, a precipitation layer 11 is arranged at the bottom of the quartz sand layer 12, underground water enters the well from the quartz sand layer 12, large-volume impurities are removed through the filtration of the quartz sand layer 12, then the underground water is filtered again through a UF (ultra-fine) membrane 21 of a filter core assembly 2 in the filter screen 14 and a filtering adsorption material 22, tiny impurities and peculiar smell of the underground water are removed, and then the underground water flows into the underground water. Wherein, the filter element component 2 and the filter screen 14 are inserted and not fixed together and can be separated.
Optionally, the partition assembly 8 includes a partition plate 81 and a water pump 82, the partition plate 81 is disposed on the inner wall of the first cement layer 13, the water pump 82 is disposed on the inner wall of the partition plate 81, the aeration assembly 7 is disposed on the top of the ground 3, the aeration assembly 7 includes an aerator 71, an aeration pipe 72 and an aeration nozzle 73, the aeration pipe 72 is connected to the air outlet of the aerator 71, the aeration nozzle 73 is connected to the other end of the aeration pipe 72, the waste gas treatment assembly 4 is disposed on the top of the ground 3, the waste gas treatment assembly 4 includes a waste gas treatment tank 41, a first waste gas pipe 42, a fan 43 and a second waste gas pipe 44, the suction port of the fan 43 is connected to the second waste gas pipe 44, the air outlet of the fan 43 is connected to the first waste gas pipe 42, the other end of the first waste gas pipe 42 is connected to the waste gas treatment tank 41, the outlet of the waste gas treatment tank 41 is connected to a third waste gas pipe 45, and the other end of the third waste gas pipe 45 is connected to the gas detector 46, the top of the gas detector 46 is connected with an exhaust gas pipe four 47 and an exhaust gas pipe five 48, and the top of the ground 3 is provided with a well box 6. And after being processed by the waste gas processing box 41, the waste gas is detected from the waste gas pipe III 45 to the gas detector 46, the waste gas is discharged through the waste gas pipe IV 47 after being detected to be qualified, and the waste gas is returned to the well box 6 through the waste gas pipe V48 to be processed for the second time after being detected to be unqualified. The well box 6 is arranged on the upper part of the well, so that the sealing performance and the safety of the repairing device for the underground water circulating well are ensured, and the release of waste gas in the well without treatment is avoided.
Referring to fig. 1-4, a partition plate 81 is provided on the inner wall of the first cement layer 13 to separate untreated and treated ground water, untreated water is delivered to the upper surface for treatment using a water pump 82, an aerator 71 delivers air aeration pipes 72 to an aeration nozzle 73, the aeration nozzle 73 blows air in water to decompose organic matters in the ground water, waste gas generated by the decomposition of the organic matters by aeration is absorbed by a fan 43 through a first waste gas pipe 42, and is conveyed to an exhaust gas treatment box 41 through an exhaust gas pipe II 44, the treated exhaust gas is detected at a gas detector 46 through an exhaust gas pipe III 45, the qualified exhaust gas is discharged through an exhaust gas pipe IV 47, the unqualified exhaust gas is returned to the well box 6 through an exhaust gas pipe V48 for secondary treatment, the upper part of the whole underground well 1 is provided with the sealed well box 6, so that the sealing performance and the safety of the repairing device for the underground water circulating well are ensured, and the release of waste gas in the well without treatment is avoided. The aerator 71 delivers oxygen to the aeration nozzle 73 through the aeration pipe 72, and the aeration nozzle 73 blows out oxygen in the water to decompose organic and inorganic substances in the groundwater.
Optionally, the lifting assembly 5 includes a motor 52, a threaded rod 55, a well box 54, a worm wheel 541 and a worm 542, the well box 54 is internally provided with the worm wheel 541 and the worm 542, an output end of the motor 52 is rotatably connected with the worm 542, the top of the worm 542 is engaged with the worm wheel 541, an inner wall of the worm wheel 541 is in threaded connection with the threaded rod 55, the other end of the threaded rod 55 is connected with a first support 23, the top of the ground 3 is symmetrically provided with a second support 51, the top of the second support 51 is provided with the motor 52 and the well box 54, and one end of the threaded rod 55 is provided with a nut 53. The filter screen 14 is fixed, and the threaded rod 55 drives the filter element assembly 2, so that the filter element assembly is convenient to disassemble and replace. On the one hand, filter screen 14 is different with the mesh number of filter element group spare 2, and filter screen 14 filters the large granule, and filter element group spare 2 filters the tiny particle, and on the other hand, filter screen 14 can also be used to restrict the level of filter element group spare 2 to the position. A second bracket 51 is symmetrically arranged on the ground, and the second bracket 51 is used for fixing the motor 52 and the well box 6, so that the well box 6 and the motor 52 cannot shake during working.
Referring to fig. 1-4, a worm wheel 541 and a worm 542 are arranged in the well box 54, the output end of the motor 52 is connected with the worm 542, the worm 542 is rotated to drive the worm wheel 541 to rotate, the worm wheel 541 is meshed with the threaded rod 55 inside, the worm wheel 541 rotates around the threaded rod 55 to achieve ascending and descending of the threaded rod 55, a second support 51 is symmetrically arranged at the top of the ground 3, the second support 51 is used for fixing the motor 52 and the well box 54, the well box 54 and the motor 52 cannot shake during working, a nut 53 is arranged at one end of the threaded rod 55, and complete separation of the well box 54 and the threaded rod 55 can be avoided when the well box 54 and the threaded rod 55 descend.
Compared with the prior art, the utility model provides the repair equipment for the underground water circulating well, which has the following beneficial effects:
this groundwater circulation is repair equipment for well changes the position of filter screen through adding a lifting unit, and the filter screen that demolishs that can be very convenient washs, great improvement the availability factor of filter screen to and the disposable life of filter screen has been improved.
The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A groundwater circulating well system with repair equipment comprises a groundwater circulating well, a purification module and an overhaul module, wherein the groundwater circulating well system comprises a groundwater circulating well, the groundwater circulating well is hermetically divided into an upper space and a lower space by a partition plate, the upper space and the lower space are communicated by a water pump, a filter screen for filtering is arranged on the side wall of the upper space, and a quartz sand layer for percolation is arranged on the side wall of the lower space;
the purification module is used for purifying the water in the upper space, and the maintenance module is used for extracting the purification module to the ground to be maintained or replaced.
2. The underground water circulating well system with the repairing equipment according to claim 1, wherein the underground well comprises a precipitation layer, a quartz sand layer, a first cement layer, a filter screen and a second cement layer which are distributed from bottom to top, the top of the second cement layer is flush with the ground, and two ends of the partition board are hermetically connected with the first cement layer.
3. A groundwater circulation well system with a remediation device as claimed in claim 1 wherein the purification module comprises a filter element assembly which is plugged into the filter screen, the mesh size of the filter element assembly being greater than the mesh size of the filter screen.
4. A groundwater circulation well system with a repairing device according to claim 3, wherein the overhaul module comprises a lifting assembly, the lifting assembly comprises a motor and a threaded rod, one end of the threaded rod penetrates through the side wall of the upper space and is fixedly connected with the filter element assembly, and the side wall of the upper space is provided with a through hole for the filter element assembly to move up and down.
5. A groundwater circulation well system with a remediation device as claimed in claim 4 wherein the lifting assembly further comprises a worm gear mechanism, the worm gear is connected to the output of the motor, one end of the worm is engaged with the worm gear, and the other end of the worm is engaged with the threaded rod.
6. A groundwater circulation well system with a remediation device as claimed in claim 5 wherein the threaded rod is provided with a nut at its top end and a nut at its bottom end which passes through the side wall of the upper space to be fixedly connected to the filter element assembly.
7. A groundwater circulation well system with a remediation device as claimed in claim 3, wherein the filter element assembly comprises a UF membrane and a first bracket, wherein the inner wall of the UF membrane is fixedly connected with the first bracket in a criss-cross shape to form a plurality of filtering spaces, and each filtering space is filled with a filtering and adsorbing material.
8. A groundwater circulating well system with remediation equipment as claimed in claim 1, wherein the purification module comprises an aeration component and an exhaust gas treatment component, the aeration component comprises an aeration nozzle extending into the bottom of the upper space, and the aeration nozzle is connected with an aerator through an aeration pipe;
the waste gas treatment subassembly includes waste gas pipe one, fan, waste gas treatment case and waste gas pipe two, the upper portion absorption gas of upper space is stretched into to the one end of waste gas pipe two, and the entry of fan is connected to the other end, and the export of fan meets waste gas pipe one and discharges after handling to the waste gas treatment case.
9. The groundwater circulating well system with remediation device of claim 8, wherein the exhaust gas treatment assembly further comprises a gas detector, the outlet of the exhaust gas treatment tank is connected to a third exhaust gas pipe, the third exhaust gas pipe is communicated with the inlet of the gas detector, the first outlet of the gas detector discharges purified gas through a fourth exhaust gas pipe, and the second outlet discharges gas which does not reach the purification standard back into the upper space through a fifth exhaust gas pipe.
10. A groundwater circulation well system with remediation device as claimed in claim 1 further comprising a well box housing a confined space above the subterranean well, the purification and service modules being located within the confined space.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121568451.7U CN215480219U (en) | 2021-07-12 | 2021-07-12 | Underground water circulating well system with repair equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121568451.7U CN215480219U (en) | 2021-07-12 | 2021-07-12 | Underground water circulating well system with repair equipment |
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| CN215480219U true CN215480219U (en) | 2022-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228916A (en) * | 2022-07-27 | 2022-10-25 | 江苏维诗环境科技有限公司 | Integrated repair system for strengthening soil vapor extraction and groundwater remediation |
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- 2021-07-12 CN CN202121568451.7U patent/CN215480219U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228916A (en) * | 2022-07-27 | 2022-10-25 | 江苏维诗环境科技有限公司 | Integrated repair system for strengthening soil vapor extraction and groundwater remediation |
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