CN212293215U - Groundwater pumping treatment recharge system - Google Patents
Groundwater pumping treatment recharge system Download PDFInfo
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- CN212293215U CN212293215U CN202020669775.9U CN202020669775U CN212293215U CN 212293215 U CN212293215 U CN 212293215U CN 202020669775 U CN202020669775 U CN 202020669775U CN 212293215 U CN212293215 U CN 212293215U
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Abstract
The utility model provides a groundwater is taken out and is handled recharge system relates to groundwater treatment technical field, has solved the not abundant technical problem inadequately of processing groundwater that exists among the prior art. Include a plurality of wells that set up in the contaminated site, it is a plurality of the well is latticed distribution and is in the contaminated site, every the well all can be used as pumping well or recharge well, and is a plurality of partly be the pumping well in the well, it is a plurality of still partly be recharge well in the well, the pumping well with recharge well passes through pipeline and sewage treatment plant intercommunication, the pumping well with recharge well sets up side by side, perhaps, recharge well surrounds around the pumping well. The utility model is used for take out the groundwater in pollution place and handle and recharge.
Description
Technical Field
The utility model belongs to the technical field of the groundwater processing technique and specifically relates to a groundwater is taken out and is handled recharge system is related to.
Background
Underground water is an important water source of domestic water in many places, but with the development of industry, a lot of industrial wastewater is directly discharged without being treated, so that the underground water is seriously polluted, and the domestic water in peripheral areas is influenced. In addition, even if the underground water is not used as domestic water, the polluted underground water can greatly affect the utilization of the land and the survival of animals and plants.
The current common underground water treatment mode is to pump out underground water, then carry out a series of purification treatments to remove pollutants in the underground water, and discharge the treated water with each index reaching the standard into a sewage pipe network of cities and towns or recharge. Due to excessive use in agriculture and industry in many areas, underground water resources are deficient, and discharge of treated underground water is undoubtedly huge waste of the underground water resources; the groundwater subjected to recharge treatment is easily polluted by untreated groundwater again, so that the treatment effect of the groundwater is greatly reduced. In addition, the conventional water treatment equipment adopts an open structure, namely, waste gas, waste residue and the like generated in the treatment process are directly discharged, so that secondary pollution is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an groundwater is taken out and is handled recharge system for at least, be arranged in solving the not abundant technical problem of groundwater processing that exists among the prior art inadequately. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an underground water pumping treatment recharging system, which comprises a plurality of wells arranged in a polluted site, wherein a plurality of wells are distributed in the polluted site in a grid shape, each well can be used as a pumping well or a recharging well,
one part of the plurality of wells is a pumping well, the other part of the plurality of wells is a recharging well, the pumping well and the recharging well are communicated with a sewage treatment device through pipelines,
the pumping well and the recharging well are arranged side by side, or the recharging well surrounds the pumping well.
Preferably, when the pumping well and the recharging well are arranged side by side, the pumping well is positioned on the upstream side or the downstream side of the recharging well.
Preferably, when the recharge well surrounds the pumping well, the recharge well and the pumping well are located in a partial area of the polluted site.
Preferably, the water wells are uniformly distributed in a plurality of rows along the flow direction of the ground water, and a plurality of the water wells are uniformly distributed in each row at intervals.
Preferably, two of said water wells adjacent in the lateral and vertical directions are located on the same straight line.
Preferably, the sewage treatment device comprises an adjusting oil separation tank, an air floatation tank, an aeration tank, a filter and a clean water tank, wherein an inlet of the adjusting oil separation tank is communicated with the pumping well, an outlet of the adjusting oil separation tank is communicated with an inlet of the air floatation tank, an outlet of the air floatation tank is communicated with an inlet of the aeration tank, an outlet of the aeration tank is communicated with a water inlet of the filter, a water outlet of the filter is communicated with an inlet of the clean water tank, and an outlet of the clean water tank is communicated with the recharging well.
Preferably, the system further comprises a tail gas treatment device, and tail gas generated by the sewage treatment device is discharged after being treated by the tail gas treatment device.
Preferably, a water quality monitoring device is arranged in the clean water tank.
Preferably, the outlet of the clean water tank is also communicated with the inlet of the regulating oil separation tank.
Preferably, the device further comprises an oil storage tank, and the oil storage tank is communicated with the adjusting oil separation tank and the air flotation tank.
The utility model has the advantages that: set up a plurality of wells to a plurality of wells all can regard as pumped well and recharge the well, make groundwater treatment mode diversified, also more nimble, are convenient for carry out the key processing to local area. In addition, the diversified treatment can fully treat the underground water, and the treated underground water can have better water quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 shows a schematic view of a subsection of a well in a contaminated site;
FIGS. 2, 3, 4 show three state diagrams of the pumping well and the recharge well;
FIG. 5 shows a block diagram of a groundwater treatment system;
fig. 6 and 7 are schematic views showing the structure of the filter.
In the figure: 1. polluting the field; 11. a water well; 12. pumping a water well; 13. recharging the well; 20. adjusting the oil separation tank; 30. an air floatation tank; 40. an aeration tank; 41. a blower; 50. a filter; 51. a tank body; 52. a water inlet; 53. a water outlet; 54. a water separator; 55. a backwash inlet; 56. a back-purge outlet; 57. an exhaust port; 58. a feeding port; 59. a discharge port; 60. a clean water tank; 70. an exhaust gas treatment device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides an underground water takes out and handles recharging system, as shown in figure 1, fig. 2, fig. 3, fig. 4, include a plurality of wells 11 that set up in contaminated site 1, it is a plurality of the well 11 is latticed distribution and is in the contaminated site 1, every well 11 all can be used as pumped well 12 or recharging well 13, and is a plurality of partly for pumped well 12 in the well 11, it is a plurality of still partly for recharging well 13 in the well 11, pumped well 12 with recharging well 13 passes through pipeline and sewage treatment plant intercommunication, promptly pumped well 12 with pass through between recharging well 13 sewage treatment plant intercommunication, also receive contaminated groundwater by pumped well 12 is taken out, then flows in sewage treatment plant handles, the rethread at last recharging well 13 recharges the underground. The pumping well 12 and the recharging well 13 are arranged side by side, or the recharging well 13 surrounds the pumping well 12.
When the pumping well 12 and the recharging well 13 are arranged side by side, the pumping well 12 is positioned on the upstream side or the downstream side of the recharging well 13 and is used for gradually treating the underground water of the whole pollution site 1. When the recharging well 13 surrounds the pumping well 12, the recharging well 13 and the pumping well 12 are located in partial areas of the polluted site 1 and used for performing key treatment on areas with relatively serious local pollution.
Preferably, a plurality of water wells 11 are uniformly distributed in a plurality of rows along the flow direction of the underground water, a plurality of water wells 11 are uniformly distributed in each row at intervals, and further, two water wells 11 which are adjacent in the horizontal direction and the vertical direction are all positioned on the same straight line, namely, a plurality of water wells 11 are distributed in a grid shape in the area of the polluted site 1, so that the polluted site 1 is divided into a plurality of areas, and the areas are conveniently subjected to key treatment.
And, when the pumping well 12 is located the downstream side of recharging well 13, a plurality of pumping wells 12 that set up side by side and recharging well 13 form the curtain, make pumping well 12 with groundwater between recharging well 13 can carry out the relatively confined processing, promptly, can make groundwater not flow through pumping well 12 to carry out the key processing to groundwater between pumping well 12 and recharging well 13.
As shown in fig. 5, the sewage treatment apparatus includes an adjusting oil separation tank 20, an air flotation tank 30, an aeration tank 40, a filter 50, and a clean water tank 60, wherein an inlet of the adjusting oil separation tank 20 is communicated with the pumping well 12, an outlet of the adjusting oil separation tank 20 is communicated with an inlet of the air flotation tank 30, an outlet of the air flotation tank 30 is communicated with an inlet of the aeration tank 40, an outlet of the aeration tank 40 is communicated with an inlet of the clean water tank 60, and an outlet of the clean water tank 60 is communicated with the recharge well 13.
The groundwater pumped by the pumping well 12 flows through the regulating oil interceptor 20, the floatation tank 30, the aeration tank 40 and the filter 50 in sequence to remove pollutants in the water, and then flows into the clean water tank 60.
The groundwater pumped by the pumping well 12 is separated from the oil in the adjusting oil separation tank 20, the separated water flows into the air flotation tank 30, and the separated oil is discharged from the adjusting oil separation tank 20.
Fine particle stickies (mainly oil stains) in water are adsorbed by micro bubbles in the air floatation tank 30 and float upwards to separate from water, then the water separated in the air floatation tank 30 flows into the aeration tank 40, and the separated dirt is discharged out of the air floatation tank 30.
Preferably, still include the oil storage pond, the oil storage pond with adjust oil interceptor 20 with air supporting pond 30 intercommunication, adjust oil interceptor 20 with oil storage pond exhaust greasy dirt and other filth all flow into the oil storage pond carries out temporary storage. And pollutants stored in the oil storage pool are concentrated and then treated.
The aeration tank 40 is a blast aeration tank 40, and comprises an air blower 41, compressed air is introduced into an air diffusion device at the bottom of the aeration tank 40 through the air blower 41, so that the air is in strong contact with water, oxygen in the air is dissolved in the water to meet the oxygen quantity required by aerobic microorganisms and the mixing condition that sewage is in full contact with activated sludge, the activated sludge is subjected to aerobic respiration, and organic matters are further decomposed into inorganic matters to remove pollutants.
As shown in fig. 6 and 7, the water treated in the aeration tank 40 enters the filter 50 for filtration, and an activated carbon adsorption layer is arranged in the filter 50, so as to adsorb particulate pollutants in the water and further purify the water.
Preferably, the filter 50 includes a tank 51, the tank 51 is vertically arranged, activated carbon is arranged at the bottom of the tank 51, a water inlet 52 and a water outlet 53 are arranged on the tank 51, and the water inlet 52 is communicated with the top of the tank 51 to feed water from the top of the tank 51. Preferably, a water separator 54 is arranged inside the tank body 51, the water inlet 52 is communicated with the water separator 54, and water is fed into the tank body 51 through the water separator 54, so that the water feeding is more uniform. The water outlet 53 of the tank body 51 is arranged at the bottom, so that water can flow through the activated carbon and then flow out of the water outlet 53. The tank 51 is further provided with an exhaust port 57, the exhaust port 57 is used for exhausting gas in the tank 51, and the exhaust port 57 is communicated with an exhaust gas treatment device 70 (described below).
The water flowing out of the filter 50 flows into the clean water tank 60, a water quality detection device is arranged in the clean water tank 60 and used for detecting the water quality in the clean water tank 60, and when the detected water quality reaches the standard, the water in the clean water tank 60 flows back to the underground through the recharge well 13.
The outlet of the clean water tank 60 is also communicated with the adjusting oil separation tank 20, when the detected water quality does not reach the standard, the water in the clean water tank 60 returns to the adjusting oil separation tank 20, and then sequentially passes through the adjusting oil separation tank 20, the air flotation tank 30, the aeration tank 40 and the filter 50 for treatment, and flows back to the ground through the recharging well 13 after the water quality reaches the standard.
Further, the filter 50 includes a back-washing path, a back-washing inlet 55 of the back-washing path is disposed at the bottom of the tank 51 and is communicated with the clean water tank 60, and a back-washing outlet 56 of the back-washing path is disposed at the top of the tank 51 and is communicated with the oil storage tank. The filter 50 is backwashed by the water in the clean water reservoir 60, so that some of the particles adsorbed by the activated carbon are washed away and flushed into the oil reservoir.
Preferably, the water inlet 52 and the back washing outlet 56 are communicated with the top of the tank 51 through the same pipeline, and the water outlet 53 and the back washing inlet 55 are communicated with the bottom of the tank 51 through the same pipeline, so that the overall structure of the filter 50 is simpler. Further, the tank body 51 is also provided with a discharge port 59 and a feeding port 58, wherein the discharge port 59 is positioned at the lower part of the tank body 51 and is used for enabling the activated carbon in the tank body 51 to flow out for convenient replacement; the feeding port 58 is located at the upper part of the tank 51 and is used for feeding new activated carbon into the tank 51.
Preferably, the system further comprises a tail gas treatment device 70, and tail gas generated by the sewage treatment device is discharged after being treated by the tail gas treatment device 70. The regulating oil separation tank 20, the air flotation tank 30, the aeration tank 40, the filter 50 and the clean water tank 60 of the sewage treatment device all adopt closed structures, namely, the water treatment processes of all parts are directly exhausted outwards, and generated gas is discharged after being treated by the tail gas treatment device 70, so that secondary pollution is avoided. Alternatively, each part is connected to the same exhaust gas treatment device 70 to exhaust the exhaust gas collectively.
The utility model also provides an underground water treatment method utilizes above-mentioned groundwater to take out and handles recharging system and handle, and in the processing procedure, upwards from low reaches upstream branch regional processing in groundwater flow, the processing procedure is taken out after including before and is returned the processing mode and take out before and return the processing mode, it is to take out after the processing mode before and return the processing mode: the pumping well is located on the upstream side of the recharging well in the underground water flow direction, and the post-pumping pre-recharging treatment mode is as follows: the pumping well is located on the downstream side of the recharging well in the underground water flow direction.
When the sewage is treated in the front pumping-back treatment mode and the back pumping-front treatment mode, the sewage is treated from downstream to upstream, namely, firstly, two rows of water wells at the downstream end of the pollution site 1 are selected as a pumping well and a recharging well to treat and recharge the underground water, then two rows of water wells adjacent to the pollution site 1 are selected as a pumping well and a recharging well to treat and recharge the underground water, and the operation is repeated by selecting two rows of water wells adjacent to the pollution site after the treatment is finished. Preferably, the treatment is first performed in a pump-forward and pump-backward treatment mode, and then again performed in a pump-backward and pump-forward treatment mode.
Preferably, a surround processing mode is further included: the recharging well surrounds the pumping well, namely, water is pumped from the middle part of the treatment area, and the recharging well recharges the periphery after treatment, so that the heavily polluted area is conveniently treated.
When a heavily polluted area needing important treatment exists, the heavily polluted area needs to be treated in a surrounding treatment mode at first, so that the pollution diffusion of the groundwater in the heavily polluted area is avoided, and the pollution of the surrounding groundwater is aggravated. And after the treatment in the surrounding treatment mode is finished, the treatment is carried out in the front pumping and back pumping treatment mode and the back pumping and front pumping treatment mode.
The utility model provides a groundwater processing method is polluting a plurality of wells of place evenly distributed to make different wells be used as the pumped well respectively and recharge the well under different modes, and adopt multiple mode to carry out a lot of and handle, and the flow direction of every mode groundwater is all inequality, can fully extract groundwater, guarantees that the regional groundwater in place of polluting can obtain effectual processing. The surrounding treatment mode enables the underground water treatment to be more targeted, and the multiple water wells distributed in the grids enable the treatment modes to be more flexible and diversified, so that each area can be treated.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A groundwater pumping treatment recharge system is characterized by comprising a plurality of wells arranged in a polluted site, wherein the plurality of wells are distributed in the polluted site in a grid shape, each well can be used as a pumping well or a recharge well,
one part of the plurality of wells is a pumping well, the other part of the plurality of wells is a recharging well, the pumping well and the recharging well are communicated with a sewage treatment device through pipelines,
the pumping well and the recharging well are arranged side by side, or the recharging well surrounds the pumping well.
2. A groundwater withdrawal treatment recharge system according to claim 1, wherein the pumping well is located on an upstream or downstream side of the recharge well when the pumping well and the recharge well are arranged side by side.
3. A groundwater withdrawal treatment recharge system according to claim 1, wherein the recharge well and the draw well are located in a partial region of the contaminated site when the recharge well is surrounding the draw well.
4. A groundwater withdrawal treatment recharge system according to claim 1, wherein the wells are evenly distributed in a plurality of rows along the direction of groundwater flow, and a plurality of said wells are evenly distributed in each row at intervals.
5. A groundwater withdrawal treatment recharge system according to claim 4, wherein two of said water wells which are adjacent in the lateral and vertical direction are all in the same line.
6. The groundwater pumping treatment recharge system according to claim 1, wherein the sewage treatment device comprises an adjusting oil separation tank, an air flotation tank, an aeration tank, a filter and a clean water tank, wherein an inlet of the adjusting oil separation tank is communicated with the pumping well, an outlet of the adjusting oil separation tank is communicated with an inlet of the air flotation tank, an outlet of the air flotation tank is communicated with an inlet of the aeration tank, an outlet of the aeration tank is communicated with a water inlet of the filter, a water outlet of the filter is communicated with an inlet of the clean water tank, and an outlet of the clean water tank is communicated with the recharge well.
7. The groundwater pumping treatment recharging system of claim 6, further comprising a tail gas treatment device, wherein tail gas generated by the sewage treatment device is treated by the tail gas treatment device and then discharged.
8. A groundwater pumping treatment recharge system according to claim 6, wherein a water quality monitoring device is provided in the clean water basin.
9. A groundwater withdrawal treatment recharge system according to claim 8, wherein the outlet of the clean water basin is further in communication with the inlet of the conditioning oil interceptor.
10. The groundwater pumping treatment recharging system of claim 6, further comprising an oil storage tank, wherein the oil storage tank is communicated with the regulating oil separation tank and the floatation tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020669775.9U CN212293215U (en) | 2020-04-27 | 2020-04-27 | Groundwater pumping treatment recharge system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020669775.9U CN212293215U (en) | 2020-04-27 | 2020-04-27 | Groundwater pumping treatment recharge system |
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| CN212293215U true CN212293215U (en) | 2021-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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- 2020-04-27 CN CN202020669775.9U patent/CN212293215U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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