CN109108062A - Novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization - Google Patents
Novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization Download PDFInfo
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- CN109108062A CN109108062A CN201811026309.2A CN201811026309A CN109108062A CN 109108062 A CN109108062 A CN 109108062A CN 201811026309 A CN201811026309 A CN 201811026309A CN 109108062 A CN109108062 A CN 109108062A
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- 238000000605 extraction Methods 0.000 title claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000002689 soil Substances 0.000 title claims abstract description 44
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 33
- 239000002680 soil gas Substances 0.000 claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000004064 recycling Methods 0.000 claims abstract description 14
- 239000003673 groundwater Substances 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 25
- 238000000926 separation method Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000012071 phase Substances 0.000 description 25
- 238000010992 reflux Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007115 recruitment Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009189 diving Effects 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 235000006506 Brasenia schreberi Nutrition 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/005—Extraction of vapours or gases using vacuum or venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of novel multi-phase extraction systems for contaminated site soil underground water in-situ immobilization, the extraction system includes multiphase extraction well, the groundwater extraction system for extracting underground liquid, the ground vacuum system for extracting soil gas and the matched mixing wastewater with air coil pipe and moisture trap for the tubulose being arranged in contaminated site soil vertically downward.Groundwater extraction system includes the immersible pump being set in multiphase extraction well and the outlet pipe connecting with immersible pump.Ground vacuum system includes Venturi tube and air intake duct.Ground vacuum system also includes fresh air replenishment system.Moisture trap is equipped with effluent recycling pipe.Provided by the present invention for the novel multi-phase extraction system of contaminated site soil underground water in-situ immobilization, the advantages of fully absorbing traditional single pump type and double-pump type multiphase extraction system, the multiphase extracting application scenarios that can adapt to deeper contaminated site while keeping system easy configuration, realize more efficient multiphase extraction effect.
Description
Technical field
The present invention relates to a kind of devices for contaminated site recovery technique, and in particular, to one kind is used for contaminated site
The novel multi-phase extraction system of soil underground water in-situ immobilization.
Background technique
Multiphase extraction technique is a kind of by simultaneously by the contaminated soil gas, impurely in underground aeration zone and saturated zone
It is lauched the original position soil groundwater remediation technology for extracting with nonaqueous phase liquid and being handled to ground, soil underground applicatory
Water target contaminant type is relatively broad, including volatile organic contaminant, biodegradable half volatile organic contaminant
Deng.
Traditional multiphase extraction system can be divided into single-pump system and double pump system two types.Single-pump system is only with vacuum
It pumps to be completed at the same time the extracting of underground pollution zone gas and liquid, system configuration is simple, but there are undergrounds in repair process
Drawdown is limited, and the radius of influence is less than normal, and underground water and soil gas extracting rate are relatively low, are difficult to repair deep soil underground water
The problem of.Double pump system needs vacuum pump simultaneously and extracting water pump to extract the gas and liquid in underground pollution region respectively
Body can effectively overcome the limitation of single-pump system extracting depth, and the radius of influence is big, and extracting rate is freely adjustable, but system
It is relative complex, need two sets of electrical equipments.
Therefore, it is necessary to multiphase extraction system is improved on the basis of existing conventional multiphase extraction system, in conjunction with
The advantage of single-pump system and double pump system respectively develops a kind of novel multi-phase extraction system and device.
Summary of the invention
Contaminated site soil underground is used for based on what conventional multiphase extraction process combined the object of the present invention is to provide a kind of
Water in-situ immobilization novel multi-phase extraction system can take into account single pump type multiphase extraction system and double-pump type multiphase extraction system respectively
Advantage, system configuration is simple, extracting flow is big, the radius of influence is big, it can be achieved that deep soil groundwater remediation.
In order to achieve the above object, the present invention provides a kind of for the novel of contaminated site soil underground water in-situ immobilization
Multiphase extraction system, wherein the extraction system includes that the multiphase for the tubulose being arranged in contaminated site soil vertically downward is taken out
Propose well, the groundwater extraction system for extracting underground liquid, the ground vacuum system for extracting soil gas and mating
Mixing wastewater with air coil pipe and moisture trap.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein the ground
Being lauched extraction system includes the immersible pump being set in multiphase extraction well and the outlet pipe connecting with immersible pump；Multiphase extracting
When system is run, underground water is drawn to ground via outlet pipe by immersible pump in multiphase extraction well；Outlet pipe, which is equipped with, to be adjusted
Valve.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein the ground
Face vacuum system includes Venturi tube and air intake duct.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein the text
Venturi is equipped with entrance, venturi and diffuser, and entrance is connected with outlet pipe, is connected at venturi with air intake duct；Air intake duct
The other end be arranged in multiphase extraction well, air intake duct be equipped with regulating valve；Immersible pump is discharged the collapsible tube for flowing through Venturi tube
With at venturi generate vacuum, to aspirate the soil gas in multiphase extraction well.Outlet pipe is connected with venturi tube inlet section, takes out
When the through enturi tube collapsible tube and venturi of the subsurface flow of proposition, dynamic pressure increase, static pressure are reduced, and then are generated at this true
Sky, and soil gas is aspirated by being installed on the air intake duct connection extraction well upper end at venturi throat；The underground extracted
Water is discharged after Venturi tube diffuser mixes together with soil gas.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein the ground
Face vacuum system also includes fresh air replenishment system；The fresh air replenishment system includes the branch pipe all the way being mounted on air intake duct,
The other end of branch pipe is directly connected to atmosphere and is equipped with regulating valve, can pass through regulating valve under the vacuum action that Venturi tube generates
Aperture comes regulating system vacuum degree and fresh air magnitude of recruitment.As needed, multiphase extraction system setting fresh air replenishment system comes
Increase gas-liquid in Venturi tube diffuser and mixing wastewater with air coil pipe when stripping effect, improves in polluted underground water and blown in system
Take off pretreated efficiency.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein the gas
Water mixing coil pipe is serpentine coil, and the diffuser connection of arrival end and Venturi tube, outlet end is connect with moisture trap；Gas
The pipeline that water mixing coil pipe is connect with moisture trap is equipped with regulating valve；The soil gas and underground water extracted is in venturi
It is sufficiently mixed contact in pipe diffuser and mixing wastewater with air coil pipe and guarantees certain residence time, to play dirty with gas stripping
The purpose of underground water is contaminated, the property of will volatilize organic matter pollutant is transferred to gas phase row processing again from liquid phase.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein the gas
Separator is used for the underground water and soil gas of extraction, and the exit of moisture trap is equipped with exhaust pipe and draining
Pipe；In moisture trap, gas-water separation occurs for the soil gas and underground water extracted, and the exhaust gas isolated passes through flue gas leading
Road is discharged into subsequent exhaust treatment system, and isolated underground water is discharged due to pre-processing by stripping by the straight receiving tube of drainpipe.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein described is useless
Regulating valve is respectively equipped on air pipe and drainpipe.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein the gas
Separator is equipped with effluent recycling pipe, and the effluent recycling pipe is the drainpipe being arranged between moisture trap and regulating valve
On branch pipe all the way.
The above-mentioned novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, wherein described goes out
Water return pipe is equipped with regulating valve, and the other end of effluent recycling pipe is passed through in multiphase extraction well；The portion that moisture trap is isolated
Divide underground water that can be back in multiphase extraction well through reflux branch pipe under the effect of gravity, and can be adjusted by control valve opening
Backflow water yield.The extracting flow of immersible pump greatly improves after being flowed back, to improve the vacuum pumping capability of Venturi tube, adds
The gas extraction efficiency of strong multiphase extracting.In addition, the underground water extracted can also substantially be extended in system by carrying out reflux operation
The stripping pretreatment efficiency of polluted underground water can be improved in the residence time of stripping section.
Provided by the present invention for contaminated site soil underground water in-situ immobilization novel multi-phase extraction system have it is following
Advantage:
(1) traditional double-pump type multiphase extraction system is transformed, retains immersible pump, removed vacuum pump, utilize diving
It pumps out water-driven Venturi tube and generates vacuum suction effect, to realize the multiphase of extraction stain underground water and soil gas simultaneously
Function is extracted, the simple feature of traditional single pump type multiphase extraction system device had not only been inherited, but also has taken into account double-pump type multiphase pumping
The system of mentioning can repair the advantages of deep soil underground water.
(2) it uses immersible pump as single power source using well, has the characteristics that liquid extraction flow is big, water outlet lift is high,
Not only effectively Venturi tube can be driven to run, can also form bigger deepening of ground water table, increase the influence half of multiphase extracting
Diameter.
(3) the characteristics of system effective use immersible pump high lift, vacuum source is used as using Venturi tube, has structure simple
Outstanding advantages of list, stable conditions, low noise, without secondary pollution, long service life, maintenance few, convenient for management.
(4) mixing wastewater with air coil pipe, the air-water mixture extracted are added between Venturi exit and moisture trap
It can be come into full contact in mixing wastewater with air coil pipe, extension is mixed the residence time, to realize volatile organic matter pollutant
From liquid phase toward effective transfer of gas phase, the pretreated effect of stripping is formed, sewage pretreatment device is eliminated.
(5) added fresh air replenishment system on air intake duct, can according to need, it is convenient improve Venturi tube diffuser and
Gas-liquid in mixing wastewater with air coil pipe when stripping effect.
(6) moisture trap water outlet can be partly refluxed in extraction well, so that the work for immersible pump additionally increases abundance
Rate of water make-up, diving discharge of pump can be improved and increase the gas extracting amount of Venturi tube, and then increase the extracting radius of influence.
(7) moisture trap water part is back to the polluted underground water for also substantially extending and extracting in extraction well and is being
The residence time for stripping section of uniting, it can further improve stripping pretreating effect.
Detailed description of the invention
Fig. 1 is that the structure of the novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization of the invention is shown
It is intended to.
Wherein: 1, immersible pump；2, multiphase extraction well；3, outlet pipe；4, the first regulating valve；5, air intake duct；6, it second adjusts
Valve；7, the 5th regulating valve；8, effluent recycling pipe；9, Venturi tube；10, mixing wastewater with air coil pipe；11, third regulating valve；12, air water
Separator；13, the 6th regulating valve；14, exhaust pipe；15, exhaust treatment system；16, drainpipe；17, the 7th regulating valve；18,
4th regulating valve.
Specific embodiment
A specific embodiment of the invention is further described below in conjunction with attached drawing.
As shown in Figure 1, the novel multi-phase provided by the present invention for contaminated site soil underground water in-situ immobilization extracts system
System, the multiphase extraction well 2 comprising the tubulose being arranged in contaminated site soil vertically downward, the underground for extracting underground liquid
Water extraction system, the ground vacuum system for extracting soil gas and matched mixing wastewater with air coil pipe 10 and gas-water separation
Device 12.
Groundwater extraction system includes the immersible pump 1 being set in multiphase extraction well 2 and the water outlet connecting with immersible pump 1
Pipe 3；When the multiphase extraction system is run, underground water is drawn to ground via outlet pipe 3 by immersible pump 1 in multiphase extraction well 2；
Outlet pipe 3 is equipped with the first regulating valve 4.
Ground vacuum system includes Venturi tube 9 and air intake duct 5.Venturi tube 9 is equipped with entrance, venturi and diffusion
Section, entrance are connected with outlet pipe 3, are connected at venturi with air intake duct 5；The other end of air intake duct 5 is arranged in multiphase extraction well 2
Interior, air intake duct 5 is equipped with the second regulating valve 6；Immersible pump 1, which is discharged at the collapsible tube and venturi for flowing through Venturi tube 9, generates vacuum,
To aspirate the soil gas in multiphase extraction well 2.Outlet pipe 3 is connected with 9 entrance of Venturi tube, the subsurface flow extracted
When through enturi tube 9 collapsible tube and venturi, dynamic pressure increase, static pressure are reduced, and then vacuum are generated at this, and by being installed on text
Air intake duct 5 at 9 venturi of venturi connects 2 upper end of multiphase extraction well to aspirate soil gas；The underground water and soil extracted
Gas is discharged together after the mixing of 9 diffuser of Venturi tube.
Ground vacuum system also includes fresh air replenishment system；Fresh air replenishment system includes to be mounted on air intake duct 5 all the way
Branch pipe, the other end of branch pipe are directly connected to atmosphere and are equipped with the 5th regulating valve 7, can under the vacuum action that Venturi tube 9 generates
With the aperture by the 5th regulating valve 7 come regulating system vacuum degree and fresh air magnitude of recruitment.As needed, the multiphase extraction system
Fresh air replenishment system is set to increase the when stripping effect of the gas-liquid in 9 diffuser of Venturi tube and mixing wastewater with air coil pipe 10, is mentioned
The pretreated efficiency of stripping in system in high pollution underground water.
Mixing wastewater with air coil pipe 10 is serpentine coil, and arrival end is connect with the diffuser of Venturi tube 9, outlet end and air water
Separator 12 connects；The pipeline that mixing wastewater with air coil pipe 10 is connect with moisture trap 12 is equipped with third regulating valve 11；It extracts
Soil gas and underground water be sufficiently mixed contact in 9 diffuser of Venturi tube and mixing wastewater with air coil pipe 10 and guarantee certain
Residence time, to play the purpose with gas stripping polluted underground water, the property of will volatilize organic matter pollutant is shifted from liquid phase
To gas phase row processing again.
Moisture trap 12 is used for the underground water and soil gas of extraction, and the exit of moisture trap 12 is equipped with useless
Air pipe 14 and drainpipe 16；In moisture trap 12, gas-water separation, separation occur for the soil gas and underground water extracted
Exhaust gas out is discharged into subsequent exhaust treatment system 15 by exhaust pipe 14, and isolated underground water is pre-processed due to passing through stripping,
It is discharged by the straight receiving tube of drainpipe 16.
The 6th regulating valve 13 and the 7th regulating valve 17 are respectively equipped on exhaust pipe 14 and drainpipe 16.
Moisture trap 12 is equipped with effluent recycling pipe 8, and effluent recycling pipe 8 is that setting is adjusted in moisture trap 12 and the 7th
The branch pipe all the way on drainpipe 16 between valve 17.
Effluent recycling pipe 8 is equipped with the 4th regulating valve 18, and the other end of effluent recycling pipe 8 is passed through in multiphase extraction well 2；Gas
The part underground water that separator 12 is isolated can be back in multiphase extraction well 2 through reflux branch pipe under the effect of gravity, and can
Backflow water yield is adjusted with aperture by the 4th regulating valve 18.The extracting flow of immersible pump 1 greatly improves after being flowed back, from
And the vacuum pumping capability of Venturi tube 9 is improved, reinforce the gas extraction efficiency of multiphase extracting.In addition, carrying out reflux operation also
The underground water extracted can substantially be extended in the residence time of system stripping section, the stripping that polluted underground water can be improved is located in advance
Manage efficiency.
Below with reference to embodiment to the novel multi-phase provided by the present invention for contaminated site soil underground water in-situ immobilization
Extraction system is further described.
Embodiment 1
It is a kind of to be used for the novel more of contaminated site soil underground water in-situ immobilization based on what conventional multiphase extraction process combined
Phase extraction system, the system include multiphase extraction well 2, the groundwater extraction system for extracting underground liquid, for extracting soil
The ground vacuum system of earth gas and matched mixing wastewater with air coil pipe 10 and moisture trap 12.
Groundwater extraction system includes the immersible pump 1 and outlet pipe 3 being set in multiphase extraction well 2, is arranged on outlet pipe 3
First regulating valve 4.
The ground vacuum system for extracting soil gas includes Venturi tube 9 and air intake duct 5, and setting second is adjusted on air intake duct 5
Save valve 6.
The underground water extracted is discharged after 9 diffuser of Venturi tube mixes together with soil gas, into mixing wastewater with air
Coil pipe 10, the two are further sufficiently mixed contact herein, to play the purpose with gas stripping polluted underground water, the property of will volatilize
Organic matter pollutant is transferred to gas phase row processing again from liquid phase.
Third regulating valve 11 is set on the pipeline in 10 exit of mixing wastewater with air coil pipe, end is connected to moisture trap 12,
Gas-water separation, the exhaust gas isolated are discharged into subsequent useless the soil gas and underground water extracted by exhaust pipe 14 here
Gas processing system 15, isolated underground water can be discharged due to have passed through stripping pretreatment by the straight receiving tube of drainpipe 16.
Reflux branch pipe all the way is set on the drainpipe 16 of moisture trap 12 to isolate partly as effluent recycling pipe 8
It is lauched and is back in multiphase extraction well 2 through gravity, and can be flowed back by the aperture regulation of the 4th regulating valve 18 on pipeline
Water.On the one hand the underground water of reflux can greatly improve the extracting flow of immersible pump 1, to improve the vacuum of Venturi tube 9
Suction capactity；On the other hand it can extend the underground water extracted in the residence time of system stripping section, to improve underground water
Stripping pretreating effect.
Branch pipe all the way is set on air intake duct 5, and one end is directly connected to atmosphere, above sets the 5th regulating valve 7, adjusts by the 5th
The aperture of valve 7 comes regulating system vacuum degree and fresh air magnitude of recruitment.Fresh air replenishment system can increase by 9 diffuser of Venturi tube and gas
Gas-liquid in water mixing coil pipe 10 when stripping effect, to improve in polluted underground water the pretreated effect of stripping in system.
It is based on biography provided by the present invention for the novel multi-phase extraction system of contaminated site soil underground water in-situ immobilization
The novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization that multiphase extraction process of uniting combines.The system packet
Extraction well containing multiphase, the immersible pump extraction system for extracting underground liquid, for extracting being discharged by immersible pump for soil gas
The venturi-type ground vacuum system of driving and matched mixing wastewater with air coil pipe and moisture trap.It fully absorbs traditional single
The advantages of pump type and double-pump type multiphase extraction system, it can adapt to deeper contaminated site while keeping system easy configuration
Multiphase extracts application scenarios, realizes more efficient multiphase extraction effect.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization, which is characterized in that the pumping
Mention multiphase extraction well, the ground for extracting underground liquid that system includes the tubulose being arranged in contaminated site soil vertically downward
It is lauched extraction system, the ground vacuum system for extracting soil gas and matched mixing wastewater with air coil pipe and gas-water separation
Device.
2. the novel multi-phase extraction system according to claim 1 for contaminated site soil underground water in-situ immobilization,
It is characterized in that, the groundwater extraction system includes the immersible pump being set in multiphase extraction well and connect with immersible pump
Outlet pipe；Outlet pipe is equipped with regulating valve.
3. the novel multi-phase extraction system according to claim 1 for contaminated site soil underground water in-situ immobilization,
It is characterized in that, the ground vacuum system includes Venturi tube and air intake duct.
4. the novel multi-phase extraction system according to claim 3 for contaminated site soil underground water in-situ immobilization,
Be characterized in that, the Venturi tube is equipped with entrance, venturi and diffuser, and entrance is connected with outlet pipe, at venturi and
Air intake duct is connected, and the other end of air intake duct is arranged in multiphase extraction well, and air intake duct is equipped with regulating valve.
5. the novel multi-phase extraction system according to claim 3 for contaminated site soil underground water in-situ immobilization,
It is characterized in that, the ground vacuum system also includes fresh air replenishment system；The fresh air replenishment system includes to be mounted on suction
Branch pipe all the way on tracheae, the other end of branch pipe are directly connected to atmosphere and are equipped with regulating valve.
6. the novel multi-phase extraction system according to claim 1 for contaminated site soil underground water in-situ immobilization,
Be characterized in that, the mixing wastewater with air coil pipe is serpentine coil, and the diffuser of arrival end and Venturi tube connects, outlet end with
Moisture trap connection, the pipeline that mixing wastewater with air coil pipe is connect with moisture trap are equipped with regulating valve.
7. the novel multi-phase extraction system according to claim 6 for contaminated site soil underground water in-situ immobilization,
It is characterized in that, the moisture trap is used for the underground water and soil gas of extraction, and the exit of moisture trap is set
There are exhaust pipe and drainpipe；The exhaust gas isolated is discharged into subsequent exhaust treatment system, isolated underground water by exhaust pipe
Pass through the straight receiving tube discharge of drainpipe.
8. the novel multi-phase extraction system according to claim 7 for contaminated site soil underground water in-situ immobilization,
It is characterized in that, is respectively equipped with regulating valve on the exhaust pipe and drainpipe.
9. the novel multi-phase extraction system according to claim 7 for contaminated site soil underground water in-situ immobilization,
Be characterized in that, the moisture trap be equipped with effluent recycling pipe, the effluent recycling pipe be setting moisture trap with
Branch pipe all the way on drainpipe between regulating valve.
10. the novel multi-phase extraction system according to claim 9 for contaminated site soil underground water in-situ immobilization,
It is characterized in that, the effluent recycling pipe is equipped with regulating valve, and the other end of effluent recycling pipe is passed through in multiphase extraction well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026309.2A CN109108062A (en) | 2018-09-04 | 2018-09-04 | Novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026309.2A CN109108062A (en) | 2018-09-04 | 2018-09-04 | Novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109108062A true CN109108062A (en) | 2019-01-01 |
Family
ID=64861919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026309.2A Pending CN109108062A (en) | 2018-09-04 | 2018-09-04 | Novel multi-phase extraction system for contaminated site soil underground water in-situ immobilization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926442A (en) * | 2019-03-14 | 2019-06-25 | 上海市政工程设计研究总院（集团）有限公司 | A kind of soil thermal desorption heating fluid and collection Flash Gas Compression Skid System and processing method based on venturi |
| CN111570492A (en) * | 2020-05-14 | 2020-08-25 | 上海市政工程设计研究总院（集团）有限公司 | Intelligent multi-phase extraction repair system based on process monitoring and control method |
| CN114790062A (en) * | 2022-01-24 | 2022-07-26 | 成都理工大学 | Volatile organic waste gas separation device |
-
2018
- 2018-09-04 CN CN201811026309.2A patent/CN109108062A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926442A (en) * | 2019-03-14 | 2019-06-25 | 上海市政工程设计研究总院（集团）有限公司 | A kind of soil thermal desorption heating fluid and collection Flash Gas Compression Skid System and processing method based on venturi |
| CN111570492A (en) * | 2020-05-14 | 2020-08-25 | 上海市政工程设计研究总院（集团）有限公司 | Intelligent multi-phase extraction repair system based on process monitoring and control method |
| CN114790062A (en) * | 2022-01-24 | 2022-07-26 | 成都理工大学 | Volatile organic waste gas separation device |
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