CN213679911U - Treatment system for volatile organic compound polluted underground water - Google Patents
Treatment system for volatile organic compound polluted underground water Download PDFInfo
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- CN213679911U CN213679911U CN202022590220.8U CN202022590220U CN213679911U CN 213679911 U CN213679911 U CN 213679911U CN 202022590220 U CN202022590220 U CN 202022590220U CN 213679911 U CN213679911 U CN 213679911U
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 93
- 238000002347 injection Methods 0.000 claims abstract description 61
- 239000007924 injection Substances 0.000 claims abstract description 61
- 238000000605 extraction Methods 0.000 claims abstract description 54
- 239000002689 soil Substances 0.000 claims abstract description 46
- 239000003673 groundwater Substances 0.000 claims abstract description 37
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 229920006395 saturated elastomer Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 abstract description 10
- 238000005273 aeration Methods 0.000 abstract description 4
- 238000003795 desorption Methods 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 39
- 230000006872 improvement Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to a processing system for volatile organic compounds pollutes groundwater, include: an injection well driven into the soil body; an air compressor communicated with the injection well injects gas into the underground water; pumping into an extraction well in a soil body; the gas-liquid separator is communicated with the extraction well, and is used for carrying out gas-liquid separation on the water containing the volatile organic compounds extracted from the extraction well through the gas-liquid separator to obtain separated gas and separated liquid; the gas treatment unit is connected with the gas-liquid separator and is used for purifying and separating gas; and the liquid treatment unit is connected with the gas-liquid separator and is used for purifying and separating liquid. The utility model discloses utilize the air compressor machine to the aeration of groundwater for volatile organic compounds comes out from the desorption of groundwater, and then draws out and enter into vapour and liquid separator and separate, carries out purification treatment after the separation, thereby has realized quick, thorough, stable processing volatile organic compounds, reaches the purpose of clean groundwater and soil.
Description
Technical Field
The utility model relates to the technical field of groundwater pollution treatment, in particular to a treatment system for groundwater polluted by volatile organic compounds.
Background
The use and the management of various poisonous and harmful chemicals are improper, solid waste is stacked and dumped to the soil surface, harmful waste water permeates into the soil, waste gas discharged by automobiles, harmful gas and floating dust in the atmosphere settle in the soil along with rainwater, a large amount of chemical fertilizers and pesticides scatter to the environment, so that the soil is polluted more and more, the pollution degree is more and more serious, the pollution area is continuously enlarged, and the ecological environment and the human health are seriously threatened.
For polluted soil, if the polluted soil is purified and restored by itself, the time is dozens of years or even hundreds of years, so that a rapid engineering technology restoration measure needs to be provided urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a processing system for volatile organic compounds pollutes groundwater, solve current volatile organic compounds and pollute groundwater and lean on soil self to purify the longer problem of restoration required time.
The technical scheme for realizing the purpose is as follows:
the utility model provides a processing system for volatile organic compounds pollutes groundwater, include:
the injection well is driven into the soil body, and the bottom of the injection well extends into a saturation area of the soil body;
the air compressor is communicated with the injection well, is arranged on the ground and close to the injection well, and is used for injecting gas into the saturated region of the soil body through the injection well;
the method comprises the following steps of driving an extraction well into a soil body, wherein the bottom of the extraction well extends into a non-saturation area of the soil body, and the non-saturation area of the soil body is positioned above the saturation area;
the gas-liquid separator is arranged on the ground and is close to the extraction well, and the gas-liquid separator is used for carrying out gas-liquid separation on the water containing the volatile organic compounds extracted from the extraction well so as to obtain separated gas and separated liquid;
a gas treatment unit connected to the gas-liquid separator, the gas treatment unit purifying the separated gas separated by the gas-liquid separator; and
and the liquid treatment unit is connected with the gas-liquid separator, and the separated liquid obtained by separation of the gas-liquid separator is purified by the liquid treatment unit.
The utility model discloses a processing system is used for realizing the volatile organic compounds of quick processing groundwater, with the pollution of restoreing soil, utilize the air compressor machine to pour into gas into via the saturated region of injection well to the soil body, realize the aeration to the groundwater, make volatile organic compounds come out and rise to the unsaturated region of the soil body along with gas from the desorption of groundwater, and then utilize and extract the well and extract this volatile organic compounds and enter into vapour and liquid separator and separate, the gas of isolating is sent into gas treatment unit and is carried out purification treatment, the liquid of isolating is sent into liquid treatment unit and is carried out purification treatment, thereby realized fast, thoroughly, stable processing volatile organic compounds, reach the purpose of clean groundwater and soil.
The utility model discloses a processing system for volatile organic compounds pollutes groundwater's further improvement lies in, still including connect in vapour and liquid separator with fan between the gas processing unit, through the fan will the gaseous pump of separation that vapour and liquid separator separation obtained extremely in the gas processing unit, just the fan still passes through vapour and liquid separator in form the negative pressure in the extraction well extremely in order to extract the water that contains volatile organic compounds in the vapour and liquid separator.
The utility model discloses a processing system for volatile organic compounds pollutes groundwater's further improvement lies in, still including inserting extraction pipe in the extraction well, extraction pipe's bottom stretch into to in the unsaturated zone of the soil body and close the saturated zone, extraction pipe's top with vapour and liquid separator connects.
The utility model discloses a processing system for volatile organic compounds pollutes groundwater's further improvement lies in, install first control flap on the extraction pipe.
The utility model discloses a processing system for volatile organic compounds pollutes groundwater's further improvement lies in, still including inserting injection tube in the injection well, the bottom of injection tube stretches into the saturation region of the soil body, a plurality of gas injection holes have been seted up to the bottom department of injection tube, the top of injection tube with the air compressor machine is connected.
The utility model discloses a processing system for volatile organic compounds pollutes groundwater's further improvement lies in, install second control flap on the injection syringe.
The utility model discloses a further improvement of a processing system for volatile organic compounds pollutes groundwater lies in that, the liquid processing unit comprises a water storage tank connected with the gas-liquid separator;
and a water pump is arranged in the gas-liquid separator, and separated liquid obtained by separating the gas-liquid separator is pumped into the water storage tank by the water pump.
The utility model discloses a processing system for volatile organic compounds pollutes groundwater's further improvement lies in, still include with the air compressor machine with vapour and liquid separator control connection's control module.
The utility model discloses a processing system's for volatile organic compounds pollutes groundwater further improvement lies in, the injection well with it all is equipped with a plurality ofly to extract the well, just the injection well is close to extract the well setting.
The utility model discloses a processing system's for volatile organic compounds pollutes groundwater further improvement lies in, the injection well with the equal sealing connection of well head of extraction well has the well lid.
Drawings
FIG. 1 is a system diagram of the present invention for a treatment system for groundwater contaminated with volatile organic compounds.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the utility model provides a processing system for volatile organic compounds pollutes groundwater for the volatile organic compounds in the processing soil to realize purifying soil fast and reach prosthetic purpose. The utility model discloses a processing system provides power through the air compressor machine, to the aeration in the groundwater for volatile organic compounds comes out from the desorption of groundwater, along with the air mass rises to the unsaturated zone, and the negative pressure that the rethread fan produced, with the volatile organic compounds suction in unsaturated zone to equipment, after vapour and liquid separator separates liquid and gas, gets into corresponding unit respectively and purifies, has advantages such as easy and simple to handle and high processing effect. The following describes the treatment system for the groundwater polluted by volatile organic compounds according to the present invention with reference to the attached drawings.
Referring to fig. 1, a system diagram of a system for treating groundwater contaminated with volatile organic compounds is shown. The following description will be made with reference to fig. 1 for a system for treating groundwater contaminated with volatile organic compounds according to the present invention.
As shown in fig. 1, the treatment system 20 for volatile organic compounds contaminated groundwater of the present invention includes an injection well 21, an air compressor 22, an extraction well 23, a gas-liquid separator 24, a gas treatment unit 26 and a liquid treatment unit 25, wherein the injection well 21 is driven into the soil, and the bottom of the injection well 21 extends into the saturation region of the soil; the air compressor 22 is communicated with the injection well 21, the air compressor 22 is arranged on the ground and close to the injection well 21, and gas is injected into the saturated region of the soil body through the injection well 21 through the air compressor 22, specifically, compressed air or other gas is introduced into the injection well 21 through the air compressor 22, and the compressed air or other gas is injected into the saturated region of the soil body through the bottom of the injection well 21. The extraction well 23 is also driven into the soil body, the bottom of the extraction well 23 extends into the unsaturated zone of the soil body, and the unsaturated zone of the soil body is positioned above the saturated zone. The gas-liquid separator 24 is communicated with the extraction well 23, the gas-liquid separator 24 is arranged on the ground and close to the extraction well 23, and the gas-liquid separator 24 is used for carrying out gas-liquid separation on the water containing volatile organic compounds extracted from the extraction well 23 to obtain separated gas and separated liquid; the gas processing unit 26 is connected to the gas-liquid separator 24, and the separated gas separated by the gas-liquid separator 24 is purified by the gas processing unit 26; the liquid treatment unit 25 is connected to the gas-liquid separator 24, and the separated liquid separated by the gas-liquid separator 24 is purified by the liquid treatment unit 25.
The utility model discloses a processing system's theory of operation does: air or other gas is injected into the injection well 21 through the air compressor 22, and the injected air or other gas is injected into a saturated region of a soil body through the bottom of the injection well 21, namely, aeration is performed on underground water. The air or other gases injected into the saturated area of the soil body can rise, and then the volatile organic compounds in the underground water are driven to rise to the unsaturated area of the soil body, so that the volatile organic compounds can be extracted to the ground through the extraction well for separation treatment and purification treatment, the volatile organic compounds can be quickly, thoroughly and stably treated, and the aim of cleaning the underground water and the soil is fulfilled.
In a specific embodiment of the present invention, as shown in fig. 1, the processing system 20 further includes a fan 27 connected between the gas-liquid separator 24 and the gas processing unit 26, the separated gas obtained by separating the gas-liquid separator 24 through the fan 27 is pumped into the gas processing unit 26, and the fan 27 further forms a negative pressure in the extraction well 23 through the gas-liquid separator 24 to extract the water containing the volatile organic compounds into the gas-liquid separator 24.
Specifically, the well head of the extraction well 23 is hermetically connected with a well cover, so that a closed space is formed inside the extraction well 23, the fan 27 pumps out the gas in the gas-liquid separator 24, and the extraction well 23 is communicated with the gas-liquid separator 24, so that negative pressure can be formed in the extraction well 23, and the volatile organic compounds in the unsaturated zone are pumped into the gas-liquid separator 24 by the negative pressure for gas-liquid separation.
In one embodiment of the present invention, as shown in fig. 1, the treatment system 20 further comprises an extraction pipe 31 inserted into the extraction well 23, the bottom of the extraction pipe 31 extends into the unsaturated zone of the soil body and is close to the saturated zone, and the top of the extraction pipe 31 is connected to the gas-liquid separator 24. An extraction pipe 31 is arranged in each extraction well 23, and volatile organic compounds are extracted into the gas-liquid separator 24 by the extraction pipe 31.
Further, a first control valve 311 is installed on the extraction pipe 31. The first control valve 311 is used to control the opening and closing of the extraction pipe 31 and also to regulate the flow rate. The first control valve 311 may be a manual valve or an electric valve. A pressure gauge is further installed on the extraction pipe 31 to detect the pressure inside the extraction pipe 31.
In a specific embodiment of the present invention, as shown in fig. 1, the treatment system 20 further includes an injection tube 32 inserted into the injection well 21, the bottom of the injection tube 32 extends into the saturation region of the soil body, a plurality of gas injection holes are opened at the bottom of the injection tube 32, the top of the injection tube 32 is connected to the air compressor 22, and the air compressor 22 aerates the groundwater (i.e. the saturation region of the soil body) through the injection tube 32 and the gas injection holes at the bottom of the injection tube 32. One injection tube 32 is disposed in each injection well 21.
Further, a second control valve 321 is installed on the injection tube 32, and the second control valve 321 is used for controlling the on/off of the injection tube 32 and also for regulating the flow rate. The second control valve 321 may be a manual valve or an electric valve. A pressure gauge is also mounted on the syringe 32 for detecting the pressure inside the syringe 32.
In a specific embodiment of the present invention, as shown in fig. 1, the liquid processing unit 25 includes a water storage tank connected to the gas-liquid separator 24, a water pump 28 is provided in the gas-liquid separator 24, and the separated liquid obtained by separating the gas-liquid separator 24 is pumped into the water storage tank through the water pump 28. The separated liquid is purified in the water storage tank.
Preferably, the gas processing unit 26 includes a gas tank connected to the blower 27, and a thermometer and a pressure gauge are installed on the connection line for detecting the temperature and pressure of the gas in the connection line. The separated gas is purified in a gas storage tank. The method for purifying the separated liquid and the separated gas can adopt the existing purification method, for example, the gas purification can adopt a biological washing tower for purification, and the water purification can adopt a chemical precipitation process for purification.
In a specific embodiment of the present invention, the processing system 20 further includes a control module 29 in control connection with the air compressor 22 and the gas-liquid separator 24, and the control module 29 is used for controlling the operation of the air compressor 22 and the gas-liquid separator 24. The control module 29 is also in control connection with the fan 27 for controlling the operation of the fan 27.
Preferably, the control module 29 is further connected with control valves, pressure gauges and temperature gauges installed in the respective pipelines, and can control the on-off and flow regulation of the respective pipelines. The control module 29 also includes a touch-sensitive electronic screen through which the operating conditions of the processing system 20 can be viewed, and also can be manually controlled to change parameters. Control module 28 may automatically control the operation of processing system 20 according to a set program.
In a specific embodiment of the present invention, the injection well 21 and the extraction well 23 are both provided with a plurality of injection wells 21, and the injection well 21 is disposed near the extraction well 23. The injection wells 21 and the extraction wells 23 are arranged at intervals.
Preferably, the well heads of the injection well 21 and the extraction well 23 are hermetically connected with well covers.
The treatment system of the utility model is used for treating the groundwater polluted by the volatile organic compounds, aerates the groundwater by the power provided by the air compressor, so that the volatile organic compounds are desorbed from the groundwater and rise to the unsaturated zone along with the air mass; the negative pressure generated by the fan pumps the volatile organic compounds in the unsaturated zone into the equipment, and the liquid and the gas are separated by the gas-liquid separator and then respectively enter the corresponding processing units for purification.
The utility model discloses a processing system is by control module (PLC) automatic control operation, and the running state of the numerical value of all instruments, device all can look over and control through PLC's electronic screen. Further, the operation may be performed manually.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
1. A system for treating volatile organic compound-contaminated groundwater, comprising:
the injection well is driven into the soil body, and the bottom of the injection well extends into a saturation area of the soil body;
the air compressor is communicated with the injection well, is arranged on the ground and close to the injection well, and is used for injecting gas into the saturated region of the soil body through the injection well;
the method comprises the following steps of driving an extraction well into a soil body, wherein the bottom of the extraction well extends into a non-saturation area of the soil body, and the non-saturation area of the soil body is positioned above the saturation area;
the gas-liquid separator is arranged on the ground and is close to the extraction well, and the gas-liquid separator is used for carrying out gas-liquid separation on the water containing the volatile organic compounds extracted from the extraction well so as to obtain separated gas and separated liquid;
a gas treatment unit connected to the gas-liquid separator, the gas treatment unit purifying the separated gas separated by the gas-liquid separator; and
and the liquid treatment unit is connected with the gas-liquid separator, and the separated liquid obtained by separation of the gas-liquid separator is purified by the liquid treatment unit.
2. The system of claim 1, further comprising a fan connected between the gas-liquid separator and the gas treatment unit, wherein the fan draws the separated gas from the gas-liquid separator into the gas treatment unit, and the fan creates a negative pressure in the extraction well via the gas-liquid separator to draw water containing volatile organic compounds into the gas-liquid separator.
3. The system of claim 1 or 2, further comprising an extraction pipe inserted into the extraction well, wherein the bottom of the extraction pipe extends into the unsaturated zone of the soil body and is close to the saturated zone, and the top of the extraction pipe is connected to the gas-liquid separator.
4. The treatment system for groundwater contaminated with volatile organic compounds as claimed in claim 3, wherein the extraction pipe is provided with a first control valve.
5. The system of claim 1, further comprising an injection pipe inserted into the injection well, wherein the bottom of the injection pipe extends into the saturation region of the soil, the injection pipe has a plurality of gas injection holes at the bottom, and the top of the injection pipe is connected to the air compressor.
6. The treatment system for groundwater contaminated with volatile organic compounds of claim 5, wherein the injection tube is provided with a second control valve.
7. The treatment system for voc contaminated groundwater of claim 1, wherein the liquid treatment unit comprises a water storage tank connected to the gas-liquid separator;
and a water pump is arranged in the gas-liquid separator, and separated liquid obtained by separating the gas-liquid separator is pumped into the water storage tank by the water pump.
8. The system of claim 1, further comprising a control module in control communication with the air compressor and the gas-liquid separator.
9. The system of claim 1, wherein the injection well and the extraction well are each provided in plurality, and the injection well is disposed adjacent to the extraction well.
10. The system of claim 1, wherein the injection well and the extraction well are each sealingly connected to a well head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022590220.8U CN213679911U (en) | 2020-11-10 | 2020-11-10 | Treatment system for volatile organic compound polluted underground water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022590220.8U CN213679911U (en) | 2020-11-10 | 2020-11-10 | Treatment system for volatile organic compound polluted underground water |
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| CN213679911U true CN213679911U (en) | 2021-07-13 |
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| CN202022590220.8U Active CN213679911U (en) | 2020-11-10 | 2020-11-10 | Treatment system for volatile organic compound polluted underground water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860662A (en) * | 2021-11-04 | 2021-12-31 | 中国石油化工股份有限公司 | Underground water circulating well structure, repairing system and method |
| CN115264668A (en) * | 2022-07-21 | 2022-11-01 | 中建八局发展建设有限公司 | Multi-waste heat energy detection and recovery device and system of heating and ventilation system of clean machine room |
-
2020
- 2020-11-10 CN CN202022590220.8U patent/CN213679911U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860662A (en) * | 2021-11-04 | 2021-12-31 | 中国石油化工股份有限公司 | Underground water circulating well structure, repairing system and method |
| CN113860662B (en) * | 2021-11-04 | 2022-12-20 | 中国石油化工股份有限公司 | Underground water circulating well structure, repairing system and method |
| CN115264668A (en) * | 2022-07-21 | 2022-11-01 | 中建八局发展建设有限公司 | Multi-waste heat energy detection and recovery device and system of heating and ventilation system of clean machine room |
| CN115264668B (en) * | 2022-07-21 | 2024-09-24 | 中建八局发展建设有限公司 | Surplus heat energy detection recovery unit and system of warm logical system of clean computer lab |
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Effective date of registration: 20240618 Address after: Room 101, 4th Floor, Building 1, No. 10 Yongchang East Fourth Road, Beijing Economic and Technological Development Zone, Chaoyang District, Beijing, 100022 Patentee after: Senteshixing Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 201306 building C, No. 888, Huanhu West 2nd Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: China Construction Eighth Bureau Environmental Protection Technology Co.,Ltd. Country or region before: China |
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Address after: 100176 Room 101, floor 4, building 1, courtyard 10, Yongchang East Fourth Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Senteshixing Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: Room 101, 4th Floor, Building 1, No. 10 Yongchang East Fourth Road, Beijing Economic and Technological Development Zone, Chaoyang District, Beijing, 100022 Patentee before: Senteshixing Environmental Protection Technology Co.,Ltd. Country or region before: China |