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 19
- 239000002689 soil Substances 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 30
- 238000005273 aeration Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 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
- 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
- 239000006004 Quartz sand Substances 0.000 claims description 17
- 239000004567 concrete Substances 0.000 claims description 12
- 239000011440 grout Substances 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000008393 encapsulating agent Substances 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 3
- 238000005202 decontamination Methods 0.000 claims description 3
- 230000003588 decontaminative effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 11
- 229940092782 bentonite Drugs 0.000 description 14
- 239000003673 groundwater Substances 0.000 description 11
- 238000003911 water pollution Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000006065 biodegradation reaction Methods 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
- 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
- 239000000706 filtrate Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229920006262 high density polyethylene film Polymers 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229940080314 sodium bentonite Drugs 0.000 description 1
- 229910000280 sodium bentonite Inorganic materials 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
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- 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 the original position of soil underground water pollution and repairs the field, is specially a kind of coupling repair system for soil and underground water reparation.
Background technology
Along with industrial high speed development, the problem of China's underground water pollution becomes increasingly conspicuous, and the influence to environment and economic development that underground water pollution brings also appears day by day.Therefore, strengthen the improvement of underground water pollution and the exploitation of relevant art are just become a kind of exigence.Objectively say, many basic works are being done aspect underground water pollution investigation and the groundwater pollutant migration transformation mode at present by China, but it is few in the work that concrete underground water pollution improvement technical elements is done, and it is external, especially American-European countries has obtained very big progress aspect the improvement of underground water point-source pollution since the seventies in 20th century, and development forms the comparatively underground water pollution improvement technology of system gradually.
Air injection is a kind of based technique for in-situ remediation, has the advantage that principle is simple, easy to operate, repairing effect is good and operating cost is cheap, and is for example disclosed among patent documentation CN101792214A and the CN202379856U.It is that the gas (adopting air or oxygen usually) after the pressurization is expelled in the phreatic saturated zone, the concentration that is adsorbed on soil and is dissolved in the volatile material in the underground water with reduction, thus reach the reparation purpose.Simultaneously, the air injection can also increase the oxygen in the underground water, thereby promotes biodegradation.Air injection has been strengthened also can shortening repair time to deep soil and phreatic reparation greatly.This technique functions comes from the Germany in the eighties mid-term in 20th century, imports European other countries and the U.S. the late nineteen eighties into.In recent years, this method was widely used, and the U.S. has all adopted in a lot of places this technology to carry out phreatic reparation, and had obtained good effect.
But existing air injection has some restrictions of using usually.Can't repair such as the soil for non-saturated region, simultaneously air injection because traditional gas collecting well can't operate as normal, is difficult to use when level of ground water is very shallow usually.
Summary of the invention
The utility model technical issues that need to address are, overcome disadvantages of background technology, and a kind of situation that is applicable to bury of groundwater more shallow (less than 3 meters) is provided.By the coupling of original position air injection and plough groove type original position gas phase extraction technique, handle pollutant in the underground water and the pollutant of the above non-saturated region of groundwater level simultaneously.Technology of the present utility model need not to dispose in large quantities underground water, has the advantage of original position air injection and two technology of original position gas phase extracting concurrently, and can use under the very shallow situation of groundwater level, has broken through the restriction of conventional air injection.
Particularly, a kind of coupling repair system for soil and underground water reparation is provided, comprise aerial part and under ground portion, it is characterized in that: aerial part comprises ground air-extractor and the air feed equipment that rest on the ground, and under ground portion comprises in underground air aeration well, SOIL GAS between the plough groove type gas phase extraction system of air aeration well both sides and in two plough groove type gas phase extraction systems one and air aeration well and detects well; Wherein,
Described ground air-extractor comprises ball valve, flowmeter, thief hatch and the knockout drum that connects successively by tube connector, wherein, at the knockout drum place, liquid carries out the decontamination processing through ball valve and sewage disposal device, and gas is discharged through gas bleeder valve, dust filter unit, pressure limiting valve, vacuum meter, whirlpool blower fan or centrifugal blower, absorbent charcoal adsorption tank and exhaust outlet;
Described air feed equipment is communicated with atmosphere by the gas injection pipeline, and by arm and aeration well UNICOM, atmosphere is flowed through air compressor, Pressure gauge, flowmeter, pressure limiting valve and ball valve successively and entered the air aeration well;
Described air aeration well is made of well casing and packed layer, and the well casing of described air aeration well is followed successively by white pipeline section, sieve tube segment and shaft bottom seal cover from the top to the bottom, and packed layer is followed successively by quartz sand layer, bentonite bed and concrete grout layer from bottom to top;
Described SOIL GAS detects well and is made of underground well casing and packed layer and ground vacuum meter and thief hatch, the well casing of described SOIL GAS monitor well is followed successively by white pipeline section, sieve tube segment and shaft bottom seal cover from the top to the bottom, packed layer is followed successively by quartz sand layer, bentonite bed and concrete grout layer from bottom to top;
Described plough groove type gas phase extraction system is made of ground lower groove, screen casing, wireway, gravel, encapsulant and hypotonicity filler, wherein screen casing is connected by union elbow with wireway, gravel layer is filled in the space between ground lower groove and the screen casing, gravel layer and being separated by encapsulant between the hypotonicity filler on lower groove top, ground.
The upper end of the sieve tube segment of the well casing of described air aeration well is arranged at following 0.5 to 1 meter, bottom, target stains district and is lower than at least 1 meter of groundwater level, white pipe upper end extends to more than the ground, quartz sand layer in the packed layer of described air aeration well is backfilled to above about 0.5 meter to 1 meter of sieve tube segment, bentonite bed is on quartz sand layer, thickness is more than 30cm, the concrete grout layer is positioned on the bentonite bed, is backfilled to concordantly with ground always, and thickness is more than 1 meter.
The width of the ground lower groove of described plough groove type gas phase extraction system is 60cm, the bottom of ground lower groove locates below ground level at least 0.5 meter, the screen casing that is parallel to the bottom water level land placement of ground lower groove is higher than channel bottom 20cm, and the above hypotonicity depth of packing of screen casing is at least 30cm.
Description of drawings
Fig. 1 is the overall schematic that is used for the repair system of soil and underground water reparation;
Fig. 2 is the ground structure schematic diagram partly that is used for the repair system of soil and underground water reparation;
Fig. 3 is the schematic diagram that detects well for the SOIL GAS of the repair system of soil and underground water reparation.
The specific embodiment
The coupling repair system that is used for soil and underground water reparation as shown in Figure 1 comprises aerial part and under ground portion, and wherein aerial part comprises ground air-extractor 1 and the air feed equipment 9 that is positioned on the ground 8; Under ground portion comprises in the air aeration well 17 under the ground 8, SOIL GAS between the plough groove type gas phase extraction system 18 of air aeration well 17 both sides and in two plough groove type gas phase extraction systems 18 one and air aeration well 17 and detects well 40.
As shown in Figure 2, described ground air-extractor 1 comprises ball valve 19, flowmeter 35, thief hatch 21 and the knockout drum 22 that connects successively by tube connector 2, at knockout drum 22 places, liquid carries out the decontamination processing through ball valve 30 and sewage disposal device 31, wherein, gas is discharged through gas bleeder valve 23, dust filter unit 24, pressure limiting valve 25, vacuum meter 26, whirlpool blower fan or centrifugal blower 27, absorbent charcoal adsorption tank 28 and exhaust outlet 29.Described air feed equipment 9 is communicated with atmosphere by gas injection pipeline 32, and by arm 39 and aeration well 17 UNICOMs, atmosphere is flowed through air compressor 33, Pressure gauge 34, flowmeter 35, pressure limiting valve 36 and ball valve 19 successively and entered aeration well 17.
Again with reference to figure 1, described air aeration well 17 is made of well casing and packed layer, the well casing of described air aeration well 17 is followed successively by white pipeline section 10 from the top to the bottom, sieve tube segment 15 and shaft bottom seal cover 14, wherein the upper end of sieve tube segment 15 is arranged at following 0.5 to 1 meter, bottom, target stains district and is lower than 16 at least 1 meters of groundwater levels, white pipeline section 10 upper ends extend to more than the ground, wherein, packed layer is followed successively by quartz sand layer 13 from bottom to top, bentonite bed 12 and concrete grout layer 11, quartz sand layer 13 is backfilled to sieve tube segment more than 15 about about 0.5 meter to 1 meter, bentonite bed 12 is on quartz sand layer 13, thickness should be more than 30cm, concrete grout layer 11 is positioned on the bentonite bed 12, be backfilled to concordantly with ground, thickness should be more than 1 meter always.
As shown in Figure 3, described SOIL GAS detects well 40 by the well casing under the ground 8, vacuum meter 42 on packed layer and the ground 8, thief hatch 41 constitutes, the well casing that described SOIL GAS detects well 40 is followed successively by white pipeline section 10 from the top to the bottom, sieve tube segment 15 and shaft bottom seal cover 14 constitute, sieve tube segment 15 lower ends are arranged at about groundwater level 16 above 1 meter, white pipeline section 10 upper ends extend to more than the ground, wherein, packed layer is followed successively by quartz sand layer 13 from bottom to top, bentonite bed 12 and concrete grout layer 11, quartz sand layer 13 is backfilled to sieve tube segment more than 15 about about half meter to a meter, bentonite bed 12 is on quartz sand layer 13, thickness should be more than 30cm, concrete grout layer 11 is positioned on the bentonite bed 12, be backfilled to concordant with ground always, thickness should be more than 1 meter, white pipeline section 10, sieve tube segment 15 and shaft bottom seal cover 14 materials are the UPVC of technical grade, quartz sand layer 13 is selected filtrates such as 10 to 30 purpose quartz sands or river sand for use, bentonite bed 12 uses Powdered or graininess sodium bentonite or calcium-base bentonite, and concrete grout layer 11 uses cement mortar for building or the cement bentonite mixture of proper proportion proportioning.
With reference to figure 1, described plough groove type gas phase extraction system 18 is made of ground lower groove, screen casing 5, wireway 2, gravel 4, encapsulant 6, hypotonicity filler 3 again.The width of the ground lower groove of described plough groove type gas phase extraction system 18 is 60cm, the bottom of ground lower groove approximately is positioned at ground below 8 at least 0.5 meter, be parallel to the screen casing 5 the bottom water level land of ground lower groove the placed about 20cm in bottom of lower groove above Ground, above hypotonicity filler 3 thickness of screen casing are at least 30cm, the material of screen casing 5 and wireway 2 is technical grade UPVC, use 90 ° of union elbows of the UPVC material of technical grade to connect between screen casing 5 and the wireway 2, gravel layer 4 is filled in screen casing 5 and the ground space between the lower groove, gravel layer 4 uses higher gravel for building or the quartz sand of permeability, higher gravel for building or the quartz sand of permeability particularly, gravel layer 4 and between the hypotonicity filler 3 on lower groove top, ground, being separated by encapsulant 6, encapsulant 6 uses HDPE films or other airtight, firm geotechnological material, hypotonicity filler 3 uses the clay of bentonite or hypotonicity.
The utility model is specially adapted to the situation of bury of groundwater more shallow (less than 3 meters).By the coupling of original position air injection and two technology of plough groove type original position gas phase extracting, handle pollutant in the underground water and the pollutant of the above non-saturated region of groundwater level simultaneously.This technology need not to dispose in large quantities underground water, has the advantage of original position air injection and two technology of original position gas phase extracting concurrently, and can use under the very shallow situation of groundwater level, has broken through the bottleneck of conventional air injection.
Claims (3)
1. a coupling repair system that is used for soil and underground water reparation comprises aerial part and under ground portion, and it is characterized in that: aerial part comprises ground air-extractor (1) and the air feed equipment (9) that is positioned on the ground (8); Under ground portion comprises the air aeration well (17) that is arranged under the ground (8), be positioned at the plough groove type gas phase extraction system (18) of air aeration well (17) both sides and the SOIL GAS that is positioned between one of two plough groove type gas phase extraction systems (18) and the air aeration well (17) detects well (40); Wherein,
Described ground air-extractor (1) comprises ball valve (19), flowmeter (35), thief hatch (21) and the knockout drum (22) that connects successively by tube connector (2), wherein, locate at knockout drum (22), liquid carries out the decontamination processing through ball valve (30) and sewage disposal device (31), and gas is discharged through gas bleeder valve (23), dust filter unit (24), pressure limiting valve (25), vacuum meter (26), whirlpool blower fan or centrifugal blower (27), absorbent charcoal adsorption tank (28) and exhaust outlet (29);
Described air feed equipment (9) is communicated with atmosphere by gas injection pipeline (32), and by arm (39) and aeration well (17) UNICOM, atmosphere is flowed through air compressor (33), Pressure gauge (34), flowmeter (35), pressure limiting valve (36) and ball valve (19) successively and is entered aeration well (17);
Described air aeration well (17) is made of well casing and packed layer, the well casing of described air aeration well (17) is followed successively by white pipeline section (10), sieve tube segment (15) and shaft bottom seal cover (14) from the top to the bottom, wherein, packed layer is followed successively by quartz sand layer (13), bentonite bed (12) and concrete grout layer (11) from bottom to top;
Described SOIL GAS detects well (40) and is made of the vacuum meter (42) on well casing, packed layer and the ground (8) under ground (8), thief hatch (41), the well casing that described SOIL GAS detects well (40) is followed successively by white pipeline section (10), sieve tube segment (15) and shaft bottom seal cover (14) from the top to the bottom, wherein, packed layer is followed successively by quartz sand layer (13), bentonite bed (12) and concrete grout layer (11) from bottom to top;
Described plough groove type gas phase extraction system (18) is made of ground lower groove, screen casing (5), wireway (2), gravel (4), encapsulant (6), hypotonicity filler (3), wherein, connected by union elbow between screen casing (5) and the wireway (2), gravel layer (4) is filled in screen casing (5) and the ground space between the lower groove, gravel layer (4) and being separated by encapsulant (6) between the hypotonicity filler (3) on lower groove top with being positioned at.
2. repair system according to claim 1, it is characterized in that: the upper end of the sieve tube segment (15) of the well casing of described air aeration well (17) is arranged at following 0.5 to 1 meter, bottom, target stains district and is lower than at least 1 meter of underground water (16) water level, white pipeline section (10) upper end extends to more than the ground (8), quartz sand layer (13) in the packed layer of described air aeration well (17) is backfilled to above about 0.5 meter to 1 meter of sieve tube segment (15), bentonite bed (12) is at quartz sand layer 13) on, thickness is more than 30cm, concrete grout layer (14) is positioned on the bentonite bed (12), be backfilled to concordantly with ground (8), thickness is more than 1 meter always.
3. repair system according to claim 1, it is characterized in that: wherein, the width of the ground lower groove of described plough groove type gas phase extraction system (18) is 60cm, the bottom of ground lower groove is positioned at below the ground (8) at least 0.5 meter, be parallel to screen casing (5) that underground channel bottom flatly places lower groove bottom 20cm above Ground, above hypotonicity filler (3) thickness of screen casing (5) is at least 30cm.
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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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| 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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