CN104358267A - Vacuum tube well precipitation and disposal method for rapidly restoring in-situ water and soil in polluted place - Google Patents
Vacuum tube well precipitation and disposal method for rapidly restoring in-situ water and soil in polluted place Download PDFInfo
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- CN104358267A CN104358267A CN201410600772.9A CN201410600772A CN104358267A CN 104358267 A CN104358267 A CN 104358267A CN 201410600772 A CN201410600772 A CN 201410600772A CN 104358267 A CN104358267 A CN 104358267A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 238000001556 precipitation Methods 0.000 title claims abstract description 69
- 239000002689 soil Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000011065 in-situ storage Methods 0.000 title abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 239000003814 drug Substances 0.000 claims description 46
- 230000001174 ascending effect Effects 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 14
- 230000008439 repair process Effects 0.000 claims description 14
- 239000000284 extract Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005527 soil sampling Methods 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 238000011109 contamination Methods 0.000 claims description 3
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- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000003673 groundwater Substances 0.000 description 16
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- 238000005516 engineering process Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005067 remediation Methods 0.000 description 4
- 238000003900 soil pollution Methods 0.000 description 4
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- 230000008570 general process Effects 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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Abstract
The invention discloses a vacuum tube well precipitation and disposal method for rapidly restoring in-situ water and soil in a polluted place. The method comprises the following steps: arranging a precipitation tube well in a polluted region, and arranging a vacuum pump air extracting system, a submerged pump water pumping system and a chemical filling pipe in the precipitation tube well; arranging a disposal well in the polluted region, and connecting the disposal well with the submerged pump water pumping system; starting the vacuum pump air extracting system so as to guide polluted water in soil to flow into the precipitation tube well; continuously adding a restoring chemical into the chemical filling pipe, and reacting with the polluted water entering the precipitation tube well; after reacting for certain time, starting the submerged pump water pumping system, delivering pumped water into the disposal well, infiltrating the water in the disposal well into the soil again, repeatedly operating in the way, and finishing restoring after detecting that water and oil specimens meet standards. The method has the advantages of low cost, high water collecting efficiency, large affecting radius and capability of promoting underground water hydraulic circulation, and realizes water and soil integrated restoration in the polluted place.
Description
Technical field
The invention belongs to underground water, remediation contaminated soil technical field, be specifically related to vacuum tube well precipitation that a kind of contaminated site original position water and soil repairs fast and recharge method.
Background technology
With China's rapid economic development, all kinds of soil and groundwater environmental pollution accidents that industrial and agricultural production and construction activity cause take place frequently, and cause serious economic loss and negative social effect, jeopardize people's property and life security.Row, residues of pesticides, Simple Landfill Site Leachate site seepage etc. are stolen in the evaporating, emitting, dripping or leaking of liquid or gas of poisonous and harmful substance in industrial production, sewage, are the main causes causing water and soil pollution.Therefore, along with the fast development of urban construction, the control of underground water and soil pollution and the demand of reparation are just growing.
There is due to groundwater pollution the features such as regionality, disguise, difficult Reversibility, hysteresis quality, identify and repair difficulty very big, therefore the pollution of soil is only paid close attention in the domestic current improvement for contaminated site mostly, ignore or avoid groundwater pollution problem, cause some places after soil remediation a period of time, pollutant again collects under groundwater effect, and the effect that Polluted Soil is administered is had a greatly reduced quality.Therefore, from the angle of chronicity, continuation, solve contaminated sites problem, need the strategy taking to pollute water and soil combined governance.
Underground water and soil restoring technology comprise physical method, chemical method, biological method and complex method.Groundwater occurrence is in soil aperture, and two-way interaction is indivisible, but at present the soil and groundwater of contaminated site is generally taked to the measure disposed respectively, the integrated restorative procedure of rare effective water and soil integration.Conventional groundwater remediation technology comprises extracts dystopy process recovery technique, original position gas injection-soil vapor extraction technology (AS-SVE), in-situ chemical and bioremediation technology etc. out, and soil restoring technology comprises curing/stabilizing, gas phase extracting, elution technique and thermal desorption etc.
Pump-and-treat system recovery technique is traditional underground water pollution control method, and application is comparatively extensive, but its to there is running cost high, administer length consuming time and the shortcomings such as DeGrain; Curing/stabilizing is a kind of quick, economic Polluted Soil treatment technology, but its firming body long-time stability are poor, and medicament stirring construction is larger to the disturbance of the original state soil body; The chemistry of original position, bioremediation technology have the advantages such as removal efficiency is high, repair coverage is wide, but are still not clear due to the Transport And Transformation of pollutant in aquifer and degradation rule research, often cause repairing thoroughly or pollution rebound.In a word, current water and soil recovery technique ubiquity cost is high, long in time limit, effect is difficult to the deficiencies such as guarantee.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, the vacuum tube well precipitation providing a kind of contaminated site original position water and soil to repair fast and recharge method, the method by arranging precipitation pipe well and recharge well in contaminated area, utilize precipitation pipe well to extract contaminant water to react with the reparation medicament in it, and the reparation contaminant water in precipitation pipe well is pumped in recharge well again infiltrate through again in the soil body form circulation, realize the in-situ immobilization of contaminated water and soil.
The object of the invention realizes being completed by following technical scheme:
The vacuum tube well precipitation that contaminated site original position water and soil is repaired fast and a recharge method, is characterized in that described method comprises the steps: to determine the scope of place contaminated area; At least one precipitation pipe well is set in described contaminated area, vacuum pump extract system, submersible pump pumping system and medicament ascending pipe are set in described precipitation pipe well; In described contaminated area, arrange at least one recharge well, described recharge well is connected with the described submersible pump pumping system in described precipitation pipe well through recharging pipe; Start described vacuum pump extract system to bleed in described precipitation pipe well, make soil body internal contamination water flow in described precipitation pipe well; Continue to add reparation medicament to described medicament ascending pipe, react with the contaminant water entered in described precipitation pipe well; After meeting the described reparation medicament reaction time, start described submersible pump pumping system and draw water, and be delivered in described recharge well by recharging pipe described in the water of extraction warp; Water in described recharge well infiltrates through in the soil body again, continues to draw water, injection in described downcast well pipe, so repeatedly, until water and soil sampling detect up to standard after, repair and terminate.
Described contaminated area is outside equipped with water seal curtain.
Described precipitation pipe well is by outer tube and be placed in pipe in described outer tube and form, and forms vacuum chamber between described outer tube and described interior pipe; Described vacuum pump extract system is by being arranged in the vacuum tube of described vacuum chamber, the seal cover being positioned at described outer tube pipe top and the vacuum pump that is positioned at ground is formed; Described submersible pump pumping system is by being arranged in the submersible pump of described pipe and recharging pipe described in being connected with described recharge well and form; Described medicament ascending pipe is arranged in described vacuum chamber, and is connected with the medicament injection pump being positioned at ground; Wherein, the tube wall porous of described outer tube, Guan Ding and pipe underseal close, the tube wall sealing of described interior pipe, Guan Ding and pipe bottom opening.
The pipe shaft of described medicament ascending pipe is evenly equipped with aperture.
Described recharge well pipe shaft is the steel pipe of full impregnated water, and described outer wall of steel pipe is wound with filter screen, is filled with quartz sand between described steel pipe and the soil body.
Distance between described recharge well and described precipitation pipe well is not more than the precipitation operating radius of described precipitation pipe well.
When described contaminated area be aspect ratio be greater than the ribbon of 5:1 time, the length direction of contaminated area described in described downcomer well be wire interval lay.
When described contaminated area be aspect ratio be not more than the planar of 5:1 time, described precipitation pipe well is laid ringwise.
Advantage of the present invention is,
(1) increase water yield, water collection efficiency is high, and the radius of influence is large;
(2) precipitation-recharge and impel underground water Hydraulic Circulation, is convenient to soil pollution thing and enters in well casing processed with underflow;
(3) precipitation drainage preconsolidation ground, and do not destroy soil structures;
(4) the following water and soil integration of groundwater table can be realized repair;
(5) easy construction, cost is lower.
Accompanying drawing explanation
Fig. 1 is vacuum tube well precipitation and recharge structural facades schematic diagram in the present invention;
Fig. 2 be positioned in the present invention planar contaminated area vacuum tube well precipitation and recharge structural plan arrangement diagram;
Fig. 3 be positioned in the present invention ribbon contaminated area vacuum tube well precipitation and recharge structural plan arrangement diagram.
Detailed description of the invention
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technician of the same trade:
Be respectively as marked 1-14 in Fig. 1-3, figure: water seal curtain 1, precipitation pipe well 2, outer tube 3, interior pipe 4, seal cover 5, vacuum pump 6, vacuum tube 7, submersible pump 8, recharge pipe 9, medicine storing pot 10, medicament injection pump 11, medicament ascending pipe 12, recharge well 13, contaminated area 14.
Embodiment one: as shown in Figure 1, 2, the present embodiment is specifically related to vacuum tube well precipitation that a kind of contaminated site original position water and soil repairs fast and recharge method, and the method comprises the steps:
(1) first determine that the shape of place contaminated area 14 is planar, so-called planar specifically refers to that aspect ratio is not more than the contaminated area 14 of 5:1, a circle water seal curtain 1 is laid in periphery around contaminated area 14, the water barrier of water seal curtain 1 deeply to water table aquifer forms closed going along with sb. to guard him, to cut off the underground water hydraulic connection in processing region between aquifer and external aqueous layer, wherein, water seal curtain adopts steel sheet pile form, do not cause additional contamination, recyclable after construction;
(2) in the contaminated area 14 that water seal curtain 1 is gone along with sb. to guard him, some precipitation pipe wells 2 are arranged in the form of a ring;
Wherein,
The dewatering design depth S of precipitation pipe well 2 should meet following design formulas, S=(D-h
w)+S
w, in formula, S is contaminated area center drawdown (m), and D is the design reparation degree of depth (m), h
wfor initial groundwater level depth (m); S
wfor the distance (m) that contaminated area center water level and design are repaired between the degree of depth;
The hole diameter of precipitation pipe well 2 is not less than 10cm, is made up of, forms vacuum chamber between outer tube 3 and interior pipe 3 outer tube 3 and interior pipe 4; Be provided with vacuum pump extract system and liquid medicine injection system in the vacuum chamber, and be provided with submersible pump pumping system in interior pipe 3;
Outer tube 3 adopts stainless-steel pipe, is water-permeable pipe in the middle part of its pipeline section, and upper and lower part is divided into fluid-tight real pipe, seals at the bottom of Guan Ding and pipe; The water-permeable pipe length of outer tube 3 is determined according to the speed of the infiltration rate of aquifer thickness, pervious layer and precipitation speed, should be no less than 25% of well depth, for keeping the vacuum effectiveness of long period, is generally also no more than 50% of well depth; Outside the middle part water-permeable pipe of outer tube 3, be wound with filter screen, and be filled with quartz sand between water-permeable pipe and soil and between the real pipe in bottom and soil, between the real pipe in aforementioned top and soil, fill potter's clay; The tube wall sealing of interior pipe 4, and equal opening at the bottom of its Guan Ding and pipe;
Vacuum pump extract system is used for forming negative pressure in the vacuum chamber between outer tube 3 and interior pipe 4, underground water is impelled to flow rapidly in outer tube 3, it is formed primarily of vacuum pump 6, vacuum tube 7 and seal cover 5, vacuum pump 6 is positioned at ground, vacuum tube 7 is connected with vacuum pump 6 and gos deep into in the vacuum chamber between outer tube 3 and interior pipe 4, and seal cover 5 is for being positioned at the well head of precipitation pipe well 2 for sealing; The quantity that vacuum pump 6 connects precipitation pipe well 2 is determined according to pump amount;
Liquid medicine injection system is used for injecting in the vacuum chamber between outer tube 3 and interior pipe 4 repairing medicament, it is formed primarily of the medicine storing pot 10 connected successively, medicament injection pump 11 and medicament ascending pipe 12, medicine storing pot 10 and medicament injection pump 11 are arranged at ground, medicament ascending pipe 12 is deeply in the vacuum chamber between outer tube 3 and interior pipe 4, and the mouth of pipe of medicament ascending pipe 12 is close to bottom pipe well; The pipe shaft of medicament ascending pipe 12 is evenly equipped with aperture, to increase the contact surface repairing medicament and polluted underground water, improves reaction rate; Aforesaid reparation medicament is selected according to the kind of pollutant, is not limited to chemical agent, and that repairs medicament should be not less than for dose the total water yield supplying medicine Regional Precipitation pipe well 2;
Submersible pump pumping system is for extracting in underground water in outer tube 3 to interior pipe 4, and it is primarily of submersible pump 8 and recharge pipe 9 and form, and submersible pump 8 is positioned at pipe 4 close to the position at the bottom of pipe, recharges pipe 9 and is connected with submersible pump 8 and extends out to ground;
(3) in contaminated area 14, lay some recharge wells 13, with all regions making the interaction energy between precipitation pipe well 2 and recharge well 13 cover contaminated area 14, what extend aforementioned submersible pump pumping system afterwards recharges in pipe 9 to recharge well 13; What needs were guaranteed is, recharge well 13 is laid in the good soil layer of permeability, and every recharge well 13 at least should in the precipitation operating radius of a precipitation pipe well 2, so-called precipitation operating radius refers to the radius R by precipitation make groundwater table occur local decompression region formed a cone of depression among a small circle;
The well bore of recharge well 13 adopts the stainless-steel pipe of full impregnated water, and steel pipe is wound around filter screen outward, and filled stone sand between steel pipe and soil; The well bore length of recharge well 13 is not less than the thickness of zone of aeration; The quantity of recharge well 13 depends on total water yield and the recharge well 13 single well reinjection amount of vacuum tube well 2, meets the balance of the total water yield of place system and the total amount of recharging;
(4) start vacuum pump 6 to bleed, form the negative pressure that vacuum is not less than 0.01MPa, and make the periphery soil body form certain vacuum in outer tube 3, Tu Neikongxishui accelerating ground water under atmospheric pressure and Action of Gravity Field flows in outer tube 3; Enter after in outer tube 3 until underground pollution water, continue to be pumped into reparation medicament in outer tube 3 by medicament injection pump 11, and utilize the excessive reparation medicament of aperture uniform on medicament ascending pipe 12, react with the underground pollution water entered in outer tube 3; After meeting the reaction time of repairing medicament, start submersible pump 8 and draw water, make groundwater table be down to design drawdown;
(5) the underground pollution water repaired extracted out by submersible pump 8 is delivered in recharge well 13 by recharging pipe 9 extraction pump, well bore due to recharge well 13 is full impregnated water stainless-steel pipe, therefore the underground water recharged infiltrates in the soil body again, can by the pollutant in aerated zone soil along with current take in precipitation pipe well 2 when recharging; Meanwhile, precipitation pipe well 2 lasting injections and drawing water, so circulation is repeatedly, until water and soil sampling detect up to standard after, repair and terminate.
In the present embodiment, vacuum tube well precipitation method is the engineering method of artificial dewatering's soft ground treatment soil, and this technology is used in the higher construction environment of groundwater table, is the important technique measure in ground foundation engineering construction; Vacuum tube well dewatering and drainage amount is large, can divide, accelerate soil solidifying, improve soil strength by drainage water in soil fast, reduce underground water to impacts such as space enclosing structure, the ends, hole, improve workmanship and ensure construction safety.Utilize vacuum tube well precipitation method, quick promotion Polluted Groundwater is to enrichment in well, inject in pipe well and repair medicament, after abundant reaction, by recharge well, the underground water handled well is poured into soil layer, when not destroying soil body original state structure, soil pollution thing is made to enter in well casing processed with underflow, thus realizing the in-situ immobilization of contaminated site soil and underground water, the method easy construction, cost are lower, have higher practical value and promotion prospect.
The beneficial effect of the present embodiment is:
A. realize the following water and soil integration of groundwater table to repair, Polluted Groundwater credit rating after precipitation recharge method reparation in the present embodiment can be repaired as required, reach site remediation target, reach same reparation target required time and can save the time at least over half compared to general process recovery technique of drawing water;
B. compared to general process recovery technique of drawing water, cost-saved more than 50%.
Embodiment two: as shown in Figure 1,3, the present embodiment is specifically related to vacuum tube well precipitation that a kind of contaminated site original position water and soil repairs fast and recharge method, and the method comprises the steps:
(1) first determine that the shape of place contaminated area 14 is ribbon, so-called ribbon specifically refers to that aspect ratio is greater than the contaminated area 14 of 5:1, water seal curtain 1 is laid in periphery around contaminated area 14, the water barrier of water seal curtain 1 deeply to water table aquifer forms closed going along with sb. to guard him, to cut off the underground water hydraulic connection in processing region between aquifer and external aqueous layer;
(2) in the contaminated area 14 that water seal curtain 1 is gone along with sb. to guard him, length direction along contaminated area 14 is that a vacuum pumping pipe well 2 is laid at wire interval, well spacing is 15m, and structure and interior set vacuum pump extract system, liquid medicine injection system and the submersible pump pumping system of vacuum tube well 2 are same as described in embodiment one;
(3) in contaminated area 14, lay two row's recharge wells 13 in the both sides of vacuum tube well 2, what extend aforementioned submersible pump pumping system afterwards recharges in pipe 9 to recharge well 13; The concrete structure of recharge well 13 is same as described in embodiment one;
(4) start vacuum pump 6 to bleed, form the negative pressure that vacuum is not less than 0.01MPa, and make the periphery soil body form certain vacuum in outer tube 3, Tu Neikongxishui accelerating ground water under atmospheric pressure and Action of Gravity Field flows in outer tube 3; Enter after in outer tube 3 until underground pollution water, continue to be pumped into reparation medicament in outer tube 3 by medicament injection pump 11, and utilize the excessive reparation medicament of aperture uniform on medicament ascending pipe 12, react with the underground pollution water entered in outer tube 3; After meeting the reaction time of repairing medicament, start submersible pump 8 and draw water, make groundwater table be down to design drawdown;
(5) the underground pollution water repaired extracted out by submersible pump 8 is delivered in recharge well 13 by recharging pipe 9 extraction pump, well bore due to recharge well 13 is full impregnated water stainless-steel pipe, therefore the underground water recharged infiltrates in the soil body again, can by the pollutant in aerated zone soil along with current take in precipitation pipe well 2 when recharging; Meanwhile, precipitation pipe well 2 lasting injections and drawing water, so circulation is repeatedly, until water and soil sampling detect up to standard after, repair and terminate.
Claims (8)
1. the vacuum tube well precipitation repaired fast of contaminated site original position water and soil and a recharge method, is characterized in that described method comprises the steps: to determine the scope of place contaminated area; At least one precipitation pipe well is set in described contaminated area, vacuum pump extract system, submersible pump pumping system and medicament ascending pipe are set in described precipitation pipe well; In described contaminated area, arrange at least one recharge well, described recharge well is connected with the described submersible pump pumping system in described precipitation pipe well through recharging pipe; Start described vacuum pump extract system to bleed in described precipitation pipe well, make soil body internal contamination water flow in described precipitation pipe well; Continue to add reparation medicament to described medicament ascending pipe, react with the contaminant water entered in described precipitation pipe well; After meeting the described reparation medicament reaction time, start described submersible pump pumping system and draw water, and be delivered in described recharge well by recharging pipe described in the water of extraction warp; Water in described recharge well infiltrates through in the soil body again, continues to draw water, injection in described downcast well pipe, so repeatedly, until water and soil sampling detect up to standard after, repair and terminate.
2. the vacuum tube well precipitation repaired fast of a kind of contaminated site original position water and soil according to claim 1 and recharge method, is characterized in that described contaminated area is outside equipped with water seal curtain.
3. the vacuum tube well precipitation repaired fast of a kind of contaminated site original position water and soil according to claim 1 and recharge method, it is characterized in that described precipitation pipe well is by outer tube and be placed in pipe in described outer tube and form, and forms vacuum chamber between described outer tube and described interior pipe; Described vacuum pump extract system is by being arranged in the vacuum tube of described vacuum chamber, the seal cover being positioned at described outer tube pipe top and the vacuum pump that is positioned at ground is formed; Described submersible pump pumping system is by being arranged in the submersible pump of described pipe and recharging pipe described in being connected with described recharge well and form; Described medicament ascending pipe is arranged in described vacuum chamber, and is connected with the medicament injection pump being positioned at ground; Wherein, the tube wall porous of described outer tube, Guan Ding and pipe underseal close, the tube wall sealing of described interior pipe, Guan Ding and pipe bottom opening.
4. the vacuum tube well precipitation that a kind of contaminated site original position water and soil according to claim 1 or 3 is repaired fast and recharge method, the pipe shaft that it is characterized in that described medicament ascending pipe is evenly equipped with aperture.
5. the vacuum tube well precipitation repaired fast of a kind of contaminated site original position water and soil according to claim 1 and recharge method, it is characterized in that described recharge well pipe shaft is the steel pipe of full impregnated water, described outer wall of steel pipe is wound with filter screen, between described steel pipe and the soil body, is filled with quartz sand.
6. the vacuum tube well precipitation repaired fast of a kind of contaminated site original position water and soil according to claim 1 and recharge method, is characterized in that the distance between described recharge well and described precipitation pipe well is not more than the precipitation operating radius of described precipitation pipe well.
7. the vacuum tube well precipitation repaired fast of a kind of contaminated site original position water and soil according to claim 1 and recharge method, it is characterized in that when described contaminated area be aspect ratio be greater than the ribbon of 5:1 time, the length direction of contaminated area described in described downcomer well be wire interval lay.
8. the vacuum tube well precipitation repaired fast of a kind of contaminated site original position water and soil according to claim 1 and recharge method, it is characterized in that when described contaminated area be aspect ratio be not more than the planar of 5:1 time, described precipitation pipe well is laid ringwise.
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| CN201410600772.9A CN104358267B (en) | 2014-10-31 | 2014-10-31 | Vacuum tube well precipitation and disposal method for rapidly restoring in-situ water and soil in polluted place |
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| CN201410600772.9A CN104358267B (en) | 2014-10-31 | 2014-10-31 | Vacuum tube well precipitation and disposal method for rapidly restoring in-situ water and soil in polluted place |
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| CN105064384A (en) * | 2015-09-07 | 2015-11-18 | 山西省工业设备安装有限公司 | Vacuum tube well precipitation system under special geological conditions |
| CN105253932A (en) * | 2015-11-02 | 2016-01-20 | 中国环境科学研究院 | Underground water multi-phase extraction restoration device and method |
| CN105460986A (en) * | 2015-11-27 | 2016-04-06 | 上海岩土工程勘察设计研究院有限公司 | Method for in-situ restoration of polluted site |
| CN106049518A (en) * | 2016-07-08 | 2016-10-26 | 廊坊市仁达岩土工程有限公司 | Improved vacuum dewatering system and control method thereof |
| JP2017186770A (en) * | 2016-04-04 | 2017-10-12 | 清水建設株式会社 | Groundwater processing method |
| CN107938752A (en) * | 2017-11-30 | 2018-04-20 | 武汉都市环保工程技术股份有限公司 | A kind of safe water intake well |
| CN107989119A (en) * | 2017-11-14 | 2018-05-04 | 中电建水环境治理技术有限公司 | Utilize the method and system that polluted underground water is collected with pressure-reduction level transverse tube |
| CN108086446A (en) * | 2018-02-26 | 2018-05-29 | 刘晓飞 | A kind of monitoring system of intelligence draining blind pipe and its draining blind pipe |
| CN109604295A (en) * | 2018-11-08 | 2019-04-12 | 南京万德斯环保科技股份有限公司 | Rapid stabilization system and processing method towards landfill yard |
| CN109848193A (en) * | 2018-12-31 | 2019-06-07 | 上海勘察设计研究院(集团)有限公司 | A kind of underground water in-situ remediation method based on waterpower barrier |
| CN110216142A (en) * | 2019-07-13 | 2019-09-10 | 北京中岩大地科技股份有限公司 | A kind of injection of negative pressure of vacuum medicament and Polluted Soil pressure ELUTION METHOD in situ and device |
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| CN109848193A (en) * | 2018-12-31 | 2019-06-07 | 上海勘察设计研究院(集团)有限公司 | A kind of underground water in-situ remediation method based on waterpower barrier |
| CN109848193B (en) * | 2018-12-31 | 2021-01-12 | 上海勘察设计研究院(集团)有限公司 | Underground water in-situ remediation method based on hydraulic barrier |
| CN110293110A (en) * | 2019-07-01 | 2019-10-01 | 付文堂 | A kind of landfill leachate air pressure circulation process method |
| CN110216142A (en) * | 2019-07-13 | 2019-09-10 | 北京中岩大地科技股份有限公司 | A kind of injection of negative pressure of vacuum medicament and Polluted Soil pressure ELUTION METHOD in situ and device |
| CN111411680A (en) * | 2020-02-26 | 2020-07-14 | 郑州大学 | Pipe well blowout repair method |
| CN111589850A (en) * | 2020-04-07 | 2020-08-28 | 南昌航空大学 | Low-permeability multiphase extraction well spacing system and extraction method thereof |
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