CN203184331U - Combined repair system for soil and underwater repair - Google Patents
Combined repair system for soil and underwater repair Download PDFInfo
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- CN203184331U CN203184331U CN2013201123207U CN201320112320U CN203184331U CN 203184331 U CN203184331 U CN 203184331U CN 2013201123207 U CN2013201123207 U CN 2013201123207U CN 201320112320 U CN201320112320 U CN 201320112320U CN 203184331 U CN203184331 U CN 203184331U
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- 230000008439 repair process Effects 0.000 title claims abstract description 14
- 239000002689 soil Substances 0.000 title claims abstract description 14
- 238000005273 aeration Methods 0.000 claims abstract description 26
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 239000002680 soil gas Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 239000006004 Quartz sand Substances 0.000 claims description 18
- 229910000278 bentonite Inorganic materials 0.000 claims description 18
- 239000000440 bentonite Substances 0.000 claims description 18
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 18
- 239000003673 groundwater Substances 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000003566 sealing material Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 3
- 210000002310 elbow joint Anatomy 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000005202 decontamination Methods 0.000 claims 1
- 230000003588 decontaminative effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 14
- 229940092782 bentonite Drugs 0.000 description 14
- 238000005067 remediation Methods 0.000 description 11
- 238000011065 in-situ storage Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000003895 groundwater pollution Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 2
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 229910000281 calcium bentonite Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000009776 industrial production Methods 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000280 sodium bentonite Inorganic materials 0.000 description 1
- 229940080314 sodium bentonite Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a combined repair system for soil and underwater repair. The combined repair system comprises an overground part and an underground part, wherein the overground part comprises an overground air extraction apparatus (1) and an air supply apparatus (9) located on the ground (8), and the underground part comprises an air aeration well (17) located under the ground (8), trench type gas phase extraction systems (18) located on the two sides of the air aeration well (17), and a soil gas detecting well (10) located between one of the two trench type gas phase extraction systems (18) and the air aeration well (17). As an in-site air injection technology and a trench type in-site gas phase extraction technology are combined, the treatment of a lot of underground water is not needed; and the repair system can be used in a condition of very low underground water level so that the limit of a traditional air injection technology is solved.
Description
Technical Field
The utility model belongs to soil groundwater pollutes the normal position restoration field, specifically is a ally oneself with repair system for soil and groundwater remediation.
Background
With the rapid development of industrial production, the problem of groundwater pollution in China is increasingly prominent, and the influence on the environmental and economic development caused by groundwater pollution is increasingly revealed. Therefore, it is urgently required to enhance the treatment of groundwater pollution and the development of corresponding technologies. Objectively, China currently does a lot of basic work on the aspects of groundwater pollution investigation and groundwater pollutant migration and transformation modes, but does little work on the aspect of specific groundwater pollution treatment technologies, and abroad, particularly European and American countries, make great progress on groundwater point source pollution treatment since the 20 th century and the 70 th era, and gradually develop a more systematic groundwater pollution treatment technology.
The air injection method is an in-situ repair technology, and has the advantages of simple principle, convenient operation, good repair effect and low operation cost, for example, as disclosed in patent documents CN101792214A and CN 202379856U. It is to inject pressurized gas (usually air or oxygen) into the saturation zone of the groundwater to reduce the concentration of volatile substances adsorbed to the soil and dissolved in the groundwater, thereby achieving the goal of remediation. Meanwhile, air injection can also increase oxygen in groundwater, thereby promoting biodegradation. The air injection method greatly enhances the restoration of deep soil and underground water and can also shorten the restoration time. This technology originated in germany in the mid-eighties of the 20 th century, with late-eighties introduced into other countries in europe and the united states. In recent years, the method is widely applied, and the technology is adopted in many places in the United states to repair underground water and achieve good effect.
However, existing air injection methods typically have some limitations in use. For example, soil in an unsaturated area cannot be repaired, and meanwhile, when the underground water level is shallow, the traditional gas collecting well cannot work normally and is difficult to use.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the shortcomings of the background art and provide a method suitable for the condition of shallow buried depth (less than 3 meters) of underground water. By combining the in-situ air injection technology and the groove type in-situ vapor extraction technology, pollutants in the groundwater and pollutants in the unsaturated zone above the groundwater level are treated simultaneously. The technology of the utility model does not need to deal with a large amount of underground water, has the advantages of two technologies of in-situ air injection and in-situ vapor extraction, can be used under the condition that the water level of the underground water is very shallow, and breaks through the limitation of the traditional air injection method.
Specifically, a combination repair system for soil and groundwater remediation is provided, including the overground part and the underground part, its characterized in that: the underground part comprises an air aeration well positioned under the ground, groove type vapor extraction systems positioned on two sides of the air aeration well and a soil gas detection well positioned between one of the two groove type vapor extraction systems and the air aeration well; wherein,
the overground air pumping equipment comprises a ball valve, a flowmeter, a sampling port and a gas-liquid separation tank which are sequentially connected through a connecting pipe, wherein liquid is decontaminated through the ball valve and sewage treatment equipment at the gas-liquid separation tank, and gas is discharged through an air escape valve, a dust filter, a pressure limiting valve, a vacuum meter, a vortex fan or a centrifugal fan, an activated carbon adsorption tank and an exhaust port;
the air supply equipment is communicated with the atmosphere through an air injection pipeline and is communicated with the aeration well through a branch pipe, and the atmosphere sequentially flows through an air compressor, a pressure gauge, a flowmeter, a pressure limiting valve and a ball valve and enters the air aeration well;
the air aeration well consists of a well pipe and a filling layer, wherein the well pipe of the air aeration well sequentially comprises a white pipe section, a screen pipe section and a well bottom sealing cover from top to bottom, and the filling layer sequentially comprises a quartz sand layer, a bentonite layer and a concrete slurry layer from bottom to top;
the soil gas detection well consists of a well pipe and a filling layer under the ground, as well as a vacuum meter and a sampling port on the ground, wherein the well pipe of the soil gas detection well sequentially comprises a white pipe section, a screen pipe section and a bottom sealing cover from top to bottom, and the filling layer sequentially comprises a quartz sand layer, a bentonite layer and a concrete slurry layer from bottom to top;
the groove type gas phase extraction system is composed of an underground groove, a sieve pipe, a gas guide pipe, gravels, sealing materials and low-permeability fillers, wherein the sieve pipe and the gas guide pipe are connected through an elbow joint, a gravel layer is filled in a gap between the underground groove and the sieve pipe, and the gravel layer and the low-permeability fillers positioned at the upper part of the underground groove are separated through the sealing materials.
The upper end of a screen pipe section of a well pipe of the air aeration well is arranged at a position 0.5-1 m below the bottom of a target pollution area and is at least 1 m lower than the water level of underground water, the upper end of a white pipe extends to the above ground, a quartz sand layer in a filling layer of the air aeration well is backfilled to the position 0.5 m-1 m above the screen pipe section, a bentonite layer is arranged on the quartz sand layer, the thickness of the bentonite layer is more than 30cm, a concrete slurry layer is arranged on the bentonite layer and is backfilled till the concrete slurry layer is flush with the ground, and the thickness of the concrete slurry layer is more than.
The width of an underground groove of the groove type gas phase extraction system is 60cm, the bottom of the underground groove is at least 0.5 m below the ground, a sieve pipe horizontally placed parallel to the bottom of the underground groove is 20cm higher than the bottom of the groove, and the thickness of the low-permeability filler above the sieve pipe is at least 30 cm.
Drawings
FIG. 1 is an overall schematic view of a remediation system for soil and groundwater remediation;
FIG. 2 is a schematic illustration of an above-ground portion of a remediation system for soil and groundwater remediation;
FIG. 3 is a schematic diagram of a soil gas detection well of a remediation system for soil and groundwater remediation.
Detailed Description
The combined remediation system for soil and groundwater remediation as shown in figure 1 comprises an overground part and an underground part, wherein the overground part comprises an overground air pumping device 1 and an air supply device 9 which are positioned on the ground 8; the underground portion includes an air aeration well 17 located below the ground surface 8, slotted vapor extraction systems 18 located on either side of the air aeration well 17, and a soil gas detection well 40 located between one of the two slotted vapor extraction systems 18 and the air aeration well 17.
As shown in fig. 2, the above-ground air extraction device 1 comprises a ball valve 19, a flow meter 35, a sampling port 21 and a gas-liquid separation tank 22 which are connected in sequence through a connecting pipe 2, wherein at the gas-liquid separation tank 22, liquid is decontaminated through a ball valve 30 and a sewage treatment device 31, and gas is discharged through a gas release valve 23, a dust filter 24, a pressure limiting valve 25, a vacuum gauge 26, a vortex fan or centrifugal fan 27, an activated carbon adsorption tank 28 and an exhaust port 29. The air supply device 9 is communicated with the atmosphere through an air injection pipeline 32 and is communicated with the aeration well 17 through a branch pipe 39, and the atmosphere sequentially flows through an air compressor 33, a pressure gauge 34, a flow meter 35, a pressure limiting valve 36 and a ball valve 19 to enter the aeration well 17.
Referring to fig. 1 again, the air-exposed well 17 is composed of a well pipe and a filling layer, the well pipe of the air-exposed well 17 is sequentially provided with a white pipe section 10, a screen pipe section 15 and a well bottom sealing cover 14 from top to bottom, wherein the upper end of the screen pipe section 15 is arranged at a position 0.5-1 meter below the bottom of a target pollution area and is at least 1 meter lower than a groundwater level 16, the upper end of the white pipe section 10 extends to above the ground, the filling layer is sequentially provided with a quartz sand layer 13, a bentonite layer 12 and a concrete slurry layer 11 from bottom to top, the quartz sand layer 13 is backfilled to a position about 0.5 meter to 1 meter above the screen pipe section 15, the bentonite layer 12 is arranged above the quartz sand layer 13 and has a thickness of more than 30cm, the concrete slurry layer 11 is arranged above the bentonite layer 12 and is backfilled to be level with the ground until the thickness is more than.
As shown in figure 3, the soil gas detection well 40 is composed of a well pipe under the ground 8, a filling layer, a vacuum gauge 42 and a sampling port 41 on the ground 8, the well pipe of the soil gas detection well 40 is composed of a white pipe section 10, a screen pipe section 15 and a shaft bottom sealing cover 14 from top to bottom in sequence, the lower end of the screen pipe section 15 is arranged at a position above the groundwater level 16 by about 1 meter, the upper end of the white pipe section 10 extends above the ground, wherein the filling layer is composed of a quartz sand layer 13, a bentonite layer 12 and a concrete slurry layer 11 from bottom to top in sequence, the quartz sand layer 13 is backfilled to a position above the screen pipe section 15 by about half a meter to about one meter, the bentonite layer 12 is above the quartz sand layer 13 and has a thickness of more than 30cm, the concrete slurry layer 11 is positioned above the bentonite layer 12 and is backfilled to be level with the ground until the thickness is more than 1 meter, the materials of the white pipe section 10, the screen pipe section 15 and, the quartz sand layer 13 is made of filter materials such as quartz sand or river sand with 10-30 meshes, the bentonite layer 12 is made of powdery or granular sodium bentonite or calcium bentonite, and the concrete slurry layer 11 is made of cement mortar for construction or a cement bentonite mixture with a proper proportion.
Referring again to fig. 1, the groove type vapor extraction system 18 is composed of an underground groove, a sieve tube 5, a gas guide tube 2, gravels 4, sealing materials 6 and low-permeability fillers 3. The width of the underground groove of the groove type gas phase extraction system 18 is 60cm, the bottom of the underground groove is at least 0.5 m below the ground 8, a sieve pipe 5 horizontally arranged parallel to the bottom of the underground groove is about 20cm higher than the bottom of the underground groove, the thickness of the low-permeability filler 3 above the sieve pipe is at least 30cm, the materials of the sieve pipe 5 and the air guide pipe 2 are both industrial grade UPVC, the sieve pipe 5 and the air guide pipe 2 are connected by a 90-degree elbow joint made of industrial grade UPVC material, the gravel layer 4 is filled in the gap between the sieve pipe 5 and the underground groove, the gravel layer 4 uses construction gravel or quartz sand with higher permeability, in particular the construction gravel or quartz sand with higher permeability, the gravel layer 4 and the low-permeability filler 3 positioned at the upper part of the underground groove are separated by a sealing material 6, the sealing material 6 uses HDPE film or other impermeable firm geotechnical materials, the low-permeability filler 3 uses bentonite or low-permeability clay.
The utility model is particularly suitable for the condition that the groundwater buried depth is shallow (less than 3 meters). By combining two technologies of in-situ air injection and groove type in-situ vapor extraction, pollutants in underground water and pollutants in a non-saturated area above the water level of the underground water are treated simultaneously. The technology does not need to treat a large amount of underground water, has the advantages of two technologies of in-situ air injection and in-situ vapor extraction, can be used under the condition that the water level of the underground water is shallow, and breaks through the bottleneck of the traditional air injection method.
Claims (3)
1. A allies oneself with repair system for soil and groundwater is restoreed, includes aboveground part and underground part, its characterized in that: the overground part comprises overground air suction equipment (1) and air supply equipment (9) which are positioned on the ground (8); the underground part comprises an air aeration well (17) positioned under the ground (8), groove type gas phase extraction systems (18) positioned at two sides of the air aeration well (17) and a soil gas detection well (40) positioned between one of the two groove type gas phase extraction systems (18) and the air aeration well (17); wherein,
the ground air extraction equipment (1) comprises a ball valve (19), a flowmeter (35), a sampling port (21) and a gas-liquid separation tank (22) which are sequentially connected through a connecting pipe (2), wherein in the gas-liquid separation tank (22), liquid is subjected to decontamination treatment through the ball valve (30) and sewage treatment equipment (31), and gas is discharged through a gas release valve (23), a dust filter (24), a pressure limiting valve (25), a vacuum meter (26), a vortex fan or a centrifugal fan (27), an activated carbon adsorption tank (28) and an exhaust port (29);
the air supply equipment (9) is communicated with the atmosphere through an air injection pipeline (32) and is communicated with the aeration well (17) through a branch pipe (39), and the atmosphere sequentially flows through an air compressor (33), a pressure gauge (34), a flow meter (35), a pressure limiting valve (36) and a ball valve (19) to enter the aeration well (17);
the air aeration well (17) is composed of a well pipe and a filling layer, the well pipe of the air aeration well (17) is sequentially provided with a white pipe section (10), a screen pipe section (15) and a well bottom sealing cover (14) from top to bottom, wherein the filling layer is sequentially provided with a quartz sand layer (13), a bentonite layer (12) and a concrete slurry layer (11) from bottom to top;
the soil gas detection well (40) is composed of a well pipe under the ground (8), a filling layer, a vacuum meter (42) on the ground (8) and a sampling port (41), the well pipe of the soil gas detection well (40) is sequentially provided with a white pipe section (10), a screen pipe section (15) and a bottom sealing cover (14) from top to bottom, and the filling layer is sequentially provided with a quartz sand layer (13), a bentonite layer (12) and a concrete slurry layer (11) from bottom to top;
the groove type gas phase extraction system (18) is composed of an underground groove, a sieve tube (5), a gas guide tube (2), gravels (4), sealing materials (6) and low-permeability fillers (3), wherein the sieve tube (5) and the gas guide tube (2) are connected through an elbow joint, the gravel layer (4) is filled in a gap between the sieve tube (5) and the underground groove, and the gravel layer (4) and the low-permeability fillers (3) positioned at the upper part of the underground groove are separated through the sealing materials (6).
2. The repair system of claim 1, wherein: the upper end of a screen pipe section (15) of a well pipe of the air aeration well (17) is arranged at a position 0.5-1 m below the bottom of a target polluted area and is at least 1 m lower than the water level of underground water (16), the upper end of a white pipe section (10) extends to above the ground (8), a quartz sand layer (13) in a filling layer of the air aeration well (17) is backfilled to a position 0.5 m above the screen pipe section (15) to about 1 m above the screen pipe section (15), a bentonite layer (12) is above the quartz sand layer (13) and has a thickness of above 30cm, a concrete slurry layer (14) is positioned above the bentonite layer (12) and is backfilled to be level with the ground (8) until the concrete slurry layer is backfilled to be above 1 m.
3. The repair system of claim 1, wherein: wherein, the width of the underground groove of the groove type gas phase extraction system (18) is 60cm, the bottom of the underground groove is at least 0.5 m below the ground (8), a sieve tube (5) horizontally arranged parallel to the bottom of the underground groove is 20cm higher than the bottom of the underground groove, and the thickness of the low-permeability filler (3) above the sieve tube (5) is at least 30 cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201123207U CN203184331U (en) | 2013-03-13 | 2013-03-13 | Combined repair system for soil and underwater repair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201123207U CN203184331U (en) | 2013-03-13 | 2013-03-13 | Combined repair system for soil and underwater repair |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529190A (en) * | 2013-10-22 | 2014-01-22 | 东南大学 | Aeration and vapor extraction combination two-dimensional testing device |
| CN103601280A (en) * | 2013-12-04 | 2014-02-26 | 中国环境科学研究院 | Groundwater organic pollutant restoration device and method |
| CN104190700A (en) * | 2014-08-31 | 2014-12-10 | 上海市政工程设计研究总院（集团）有限公司 | Soil body repairing method based on soil gas-phase extraction and underground water gas injection |
| CN105080951A (en) * | 2015-08-19 | 2015-11-25 | 中国环境科学研究院 | Novel interlayer well casings used for soil aeration, interlayer aeration well and construction method of interlayer aeration well |
| CN105251759A (en) * | 2015-10-16 | 2016-01-20 | 北京德瑞科森环保科技有限公司 | Multi-section type soil in-situ aerating device |
| CN105344703A (en) * | 2015-10-16 | 2016-02-24 | 北京德瑞科森环保科技有限公司 | Multi-stage type soil in-situ aeration system |
| CN105954464A (en) * | 2016-04-21 | 2016-09-21 | 北京中地泓科环境科技有限公司 | Method for constructing soil gas and underground water monitoring wells |
| CN109454100A (en) * | 2018-10-11 | 2019-03-12 | 江苏大地益源环境修复有限公司 | The precipitation processing method and device of a kind of original position soil and groundwater remediation |
| CN110102565A (en) * | 2019-05-31 | 2019-08-09 | 天津大学 | The extraction well system with anti-blockage function applied to the extracting of soil multiphase |
| CN112142160A (en) * | 2020-09-07 | 2020-12-29 | 南京万德斯环保科技股份有限公司 | AS/MPE combined repairing system and method for underground water polluted by LNAPL |
| CN112285321A (en) * | 2020-10-09 | 2021-01-29 | 合肥工业大学 | VOCs polluted soil body aeration repair test device and test method |
| CN113426815A (en) * | 2021-07-08 | 2021-09-24 | 合肥工业大学 | Method for restoring VOCs pollution of low-permeability soil body by in-situ enhanced aeration |
-
2013
- 2013-03-13 CN CN2013201123207U patent/CN203184331U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529190A (en) * | 2013-10-22 | 2014-01-22 | 东南大学 | Aeration and vapor extraction combination two-dimensional testing device |
| CN103601280A (en) * | 2013-12-04 | 2014-02-26 | 中国环境科学研究院 | Groundwater organic pollutant restoration device and method |
| CN103601280B (en) * | 2013-12-04 | 2015-01-21 | 中国环境科学研究院 | Groundwater organic pollutant restoration device and method |
| CN104190700A (en) * | 2014-08-31 | 2014-12-10 | 上海市政工程设计研究总院（集团）有限公司 | Soil body repairing method based on soil gas-phase extraction and underground water gas injection |
| CN105080951A (en) * | 2015-08-19 | 2015-11-25 | 中国环境科学研究院 | Novel interlayer well casings used for soil aeration, interlayer aeration well and construction method of interlayer aeration well |
| CN105344703B (en) * | 2015-10-16 | 2018-01-02 | 北京德瑞科森环保科技有限公司 | A kind of multisection type soil in-situ aerating system |
| CN105344703A (en) * | 2015-10-16 | 2016-02-24 | 北京德瑞科森环保科技有限公司 | Multi-stage type soil in-situ aeration system |
| CN105251759A (en) * | 2015-10-16 | 2016-01-20 | 北京德瑞科森环保科技有限公司 | Multi-section type soil in-situ aerating device |
| CN105251759B (en) * | 2015-10-16 | 2018-03-09 | 北京德瑞科森环保科技有限公司 | A kind of multisection type soil in-situ aerator |
| CN105954464A (en) * | 2016-04-21 | 2016-09-21 | 北京中地泓科环境科技有限公司 | Method for constructing soil gas and underground water monitoring wells |
| CN105954464B (en) * | 2016-04-21 | 2018-05-25 | 北京中地泓科环境科技有限公司 | A kind of well building method of SOIL GAS groundwater monitoring well |
| CN109454100A (en) * | 2018-10-11 | 2019-03-12 | 江苏大地益源环境修复有限公司 | The precipitation processing method and device of a kind of original position soil and groundwater remediation |
| CN109454100B (en) * | 2018-10-11 | 2021-06-25 | 江苏大地益源环境修复有限公司 | Precipitation treatment method and device for in-situ soil and underground water remediation |
| CN110102565A (en) * | 2019-05-31 | 2019-08-09 | 天津大学 | The extraction well system with anti-blockage function applied to the extracting of soil multiphase |
| CN112142160A (en) * | 2020-09-07 | 2020-12-29 | 南京万德斯环保科技股份有限公司 | AS/MPE combined repairing system and method for underground water polluted by LNAPL |
| CN112285321A (en) * | 2020-10-09 | 2021-01-29 | 合肥工业大学 | VOCs polluted soil body aeration repair test device and test method |
| CN112285321B (en) * | 2020-10-09 | 2021-06-01 | 合肥工业大学 | VOCs polluted soil body aeration repair test device and test method |
| CN113426815A (en) * | 2021-07-08 | 2021-09-24 | 合肥工业大学 | Method for restoring VOCs pollution of low-permeability soil body by in-situ enhanced aeration |
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