CN206454984U - New extracting dropper applied to multiphase extraction device - Google Patents
New extracting dropper applied to multiphase extraction device Download PDFInfo
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- CN206454984U CN206454984U CN201720116577.8U CN201720116577U CN206454984U CN 206454984 U CN206454984 U CN 206454984U CN 201720116577 U CN201720116577 U CN 201720116577U CN 206454984 U CN206454984 U CN 206454984U
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- Prior art keywords
- dropper
- conduit
- extracting
- extraction device
- multiphase extraction
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Abstract
The utility model discloses a kind of new extracting dropper applied to multiphase extraction device, including extraction well system, extraction well system includes white pipe, screen casing, bottom, well head threeway, backfill, bentonite, quartz sand, also include extracting dropper system, extracting dropper system includes dropper conduit and the compressed air hose being inserted in white pipe and screen casing, dropper conduit is spliced by multistage, the bottom of dropper conduit has angular cut, the top of angular cut opens up perforation, the upper end of compressed air hose is connected through well head threeway with air intake valve, the upper end of dropper conduit is connected with vavuum pump, movable sealing top cover is provided between the top of dropper conduit and the top of white pipe, the fixed structure for fixing movable sealing top cover is provided with white pipe, overcome existing single pump extraction system can not be applied to the limitation in groundwater level depth area deeper due to negative pressure energy power restriction；And by the implementation of supporting optimization, improve remediation efficiency.
Description
Technical field
The utility model is related to soil and groundwater remediation field, and in particular to a kind of applied to the new of multiphase extraction device
Extract dropper and its control method.
Background technology
Multiphase extracting is a kind of based technique for in-situ remediation, and extracting mode is strengthened by vacuum, extracts the soil in underground pollution region
Earth gas, underground water and non-aqueous phase liquids (Non-Aqueous Phase Liquid, NAPL) are separated and located to ground
Reason, with control and rehabilitating soil and the organic pollution in underground water.Non-aqueous phase liquids are also known as in soil and groundwater remediation field
For free phase.Multiphase extracting is the combination of a variety of recovery techniques, including pumps out processing, soil gas extracting, bio- ventilation, freedom
Mutually reclaim etc., independent recovery technique, can significantly improve remediation efficiency compared to more than, shorten repair time.If gas phase and liquid phase
Pollutant is mixed extracting by an extraction pump in same pipeline, then multiphase extracting is also known as single pump multiphase extracting；If
Gas phase and liquid phase are extracted respectively by two extraction pumps in two pipelines, then the double pump multiphase that is otherwise known as extracting.
Single pump multiphase extraction system is relatively easy relative to double pump multiphase extraction system structure, therefore installs, runs and tie up
Shield expense relative moderate, but there is a larger application limitation in single pump multiphase extraction system.Single pump multiphase extraction system is used
Vavuum pump is stripped, and well head extracting negative pressure not over 1 atmospheric pressure (10 meters of water that general vavuum pump can be produced
Post, 0.1Mpa), therefore the extracting to underground water can not be realized when underground water buried depth is more than 10 meters, because extracting negative pressure is not enough,
10 meters of underground water column can not be lifted beyond.It is high although feasible in theory by the vavuum pump from bigger extracting negative pressure
Run under negative pressure state and very high requirement, and equipment investment and energy consumption are proposed to the pressure-resistant and seal of pipeline, valve etc.
It is obviously improved, it does not have technical and economic feasibility on engineer applied.The patent that the current country is related to multiphase extracting is single
Pump multiphase extraction device, such as Chinese patent CN201120475085.0 and CN201420621000.9, and Chinese patent are announced
CN105253932A and CN104874592A.Above patented technology can not overcome application mentioned above to limit to, it is impossible on ground
Carry out application in region of the lower water buried depth more than 10 meters.
Keeping, single pump multiphase extraction system structure is relatively easy, installation, operation and maintenance cost relative moderate advantage base
It can overcome vacuum extraction negative pressure energy power restriction there is provided one kind on plinth, can apply to groundwater level depth more than 10 meters of regions
Single pump multiphase extraction device is the technological break-through in the field, with very big application prospect.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, so as to provide a kind of applied to multiphase extraction device
New extracting dropper, overcome existing single pump extraction system due to negative pressure energy power restriction can not be applied to groundwater level depth compared with
The limitation in deep area；And by the implementation of supporting optimization, improve remediation efficiency.
The technical scheme that utility model is used is such：Applied to the new extracting dropper of multiphase extraction device, bag
Extraction well system is included, the extraction well system includes managing in vain, being fixedly connected on the screen casing of the white pipe bottom, be fixedly installed on
The bottom of the screen casing bottom, the well head threeway for being fixedly installed on the white pipe top, from top to bottom it is sequentially filled in described white
Backfill, bentonite on the outside of pipe and the screen casing, quartz sand, in addition to extracting dropper system, the extracting dropper system
Including the dropper conduit and compressed air hose being inserted in the white pipe and the screen casing, the dropper conduit is spelled by multistage
Connect and form, the bottom of the dropper conduit has angular cut, and the top of the angular cut is offered for fixing the compression
The perforation of air hose bottom, the upper end of the compressed air hose is connected through the well head threeway with air intake valve, institute
The upper end for stating dropper conduit is connected with vavuum pump, is provided between the top of the top of the dropper conduit and the white pipe
The fixed structure for fixing the movable sealing top cover is provided with movable sealing top cover, the white pipe.
It is further improved to be：Dropper conduit described in multistage is spliced by the way of threaded connection each other.
It is further improved to be：The dropper conduit is 0.5-1m per segment length.
It is further improved to be：The dropper conduit is hollow circular tube.
It is further improved to be：The dropper conduit is made up of UPVC or stainless steel.
It is further improved to be：The perforation is located above the angular cut at 5cm.
It is further improved to be：The angle of the angular cut is 45 ° -60 °.
It is further improved to be：The fixed structure is anchor ear.
It is further improved to be：The movable sealing top cover is made up of rubber, and the middle part of the movable sealing top cover has
Perforate, the aperture of the perforate is less than the external diameter of the dropper conduit.
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, so as to provide a kind of applied to multiphase extraction device
New extracting dropper control method, according to place hydrogeologic condition and repair purpose integrate determine angular cut position
Put.
Another technical scheme that utility model is used is such：It is a kind of to be taken out applied to the new of multiphase extraction device
The control method of dropper is put forward, is specially：
(1), be recovered from by phase when, the angular cut of dropper conduit is placed on the middle part of free phase layer position；
(2) when, realizing that deepening of ground water table maximizes purpose, the angular cut of dropper conduit is placed on extracting bottom；
(3) when, in the absence of free phase, the angular cut of dropper conduit is placed on the water table position of pollution most serious.
By using preceding solution, the beneficial effects of the utility model are：
(1)：The Effec-tive Function of single pump multiphase extraction system in relatively deep (more than the 10m) area of underground water buried depth is realized, is overcome
Vavuum pump extracts the limitation of negative pressure ability；
(2)：The underground water drawdown of extraction well can be realized to greatest extent；
(3)：The process that polluted underground water is extracted in steam water interface form is a kind of stripping process, can be notable
Reduce the load of subsequent wastewater treatment；
(4)：Dropper conduit can adjust the position in extraction well in real time, according to Site characteristic condition (such as Groundwater
Fluctuation) and repair purpose change can be adjusted flexibly.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram；
Fig. 2 is dropper conduit diagrammatic cross-section.
In figure, 1, Bai Guan；2nd, well head threeway；3rd, screen casing；4th, bottom；5th, bentonite；6th, quartz sand；7th, backfill；8th, drip
Pipe conduit；9th, compressed air hose；10th, level of ground water；11st, screw thread；12nd, angular cut；13rd, perforate；14th, movable sealing top cover；15、
Anchor ear；16th, air intake valve.
Embodiment
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, the utility model discloses a kind of new extracting dropper applied to multiphase extraction device, including
Extraction well system, the extraction well system includes white pipe 1, is fixedly connected on the screen casing 3 of the bottom of white pipe 1, is fixedly installed
Bottom 4 in the bottom of screen casing 3, be fixedly installed on the well head threeway 2 on the top of white pipe 1, be from top to bottom sequentially filled in
The backfill 7 in the outside of white pipe 1 and the screen casing 3, bentonite 5, quartz sand 6, in addition to extracting dropper system, it is described to take out
Carry dropper conduit 8 and compressed air hose 9 that dropper system includes being inserted in the white pipe 1 and the screen casing 3, the drop
Pipe conduit 8 is spliced by multistage, and the bottom of the dropper conduit 8 has angular cut 12, and the top of the angular cut 12 is opened
Provided with the perforation 13 for fixing the bottom of compressed air hose 9, generally described perforation 13 is located at the top of angular cut 12
At 5cm, the upper end of the compressed air hose 9 is connected through the well head threeway 2 with air intake valve 16, the dropper conduit
8 upper end is connected with vavuum pump, activity is provided between the top of the top of the dropper conduit 8 and the white pipe 1 close
The fixed structure for fixing the movable sealing top cover 14 is provided with capping cover 14, the white pipe 1.
Extraction well under ground portion and conventional extraction well are basically identical, are known technology in industry, repeat no more.
The dropper conduit 8 is hollow circular conduit, and material can be UPVC, stainless steel etc., and external diameter is according in extraction well
Footpath determines, 20mm typically at least smaller than extraction well internal diameter, is easy to place compressed air hose 9 and possible liquid level or pressure
Probe and signal transducting wire.
It is preferred embodiment that dropper conduit 8 described in multistage is each other using the side of threaded connection in the present embodiment
Formula is spliced, as shown in Fig. 2 dropper conduit 8 is connected using screw thread 11, can also pass through the side such as loose joint, snap joint in addition
Formula is connected.
The dropper conduit 8 is 0.5-1m per segment length, fluctuates less area in level of ground water 1010, is typically designed as
0.5m segment；Larger area is fluctuated in underground water, 1.0m segment is typically designed.
The position of the angular cut 12 of the bottom of dropper conduit 8 needs to fluctuate situation and place according to the region of level of ground water 10
Characteristic condition, which is integrated, to be determined, the angle of the angular cut 12 is 45 ° -60 °.
Movable sealing top cover 14 is quality of rubber materials, and middle part perforate, aperture is slightly less than the external diameter of dropper conduit 8, dropper conduit 8 from
The mesopore of movable sealing top cover 14 is passed to be connected with the vavuum pump of rear end.Due to the retractility of rubber, it is possible to achieve adjustment dropper
The position in extraction well of conduit 8.After dropper conduit 8 is adjusted in place, pass through fixed structure, such as anchor ear 15, clamping movable sealing top
Lid 14 realize sealing, the utility model describe it is a kind of by rubber movable sealing top cover 14 coordinate anchor ear 15 simple combination come
The mode being adjusted flexibly under negative pressure state above and below dropper position is realized, additionally can be a variety of by sealing ring, sealant tape etc.
Mode realizes this purpose.
Compressed air hose 9 enters behind extraction well inside from well head threeway 2, and dropper bottom is extended to along dropper conduit 8
Portion, penetrates dropper conduit 8, the other end of compressed air hose 9 is provided with air intake valve 16 from the aperture of the top of dropper angular cut 12, it
Air is directly connected afterwards or is connected with external air source, such as air compressor machine etc..Dropper is introduced air into by compressed air hose 9 to lead
The bottom of pipe 8, controls whether to introduce air and introduces the tolerance of air by air intake valve 16.
, can be in underground water buried depth more than 10 by way of introducing air or compressed air to the bottom of dropper conduit 8
The area operation list pump multiphase extraction system of rice.Cardinal principle be air and polluted underground water mixing after reduce its density, can
Significantly improving for ability is extracted under identical negative pressure ability to realize.In addition, the process of steam-water mixing is also a kind of process of stripping,
Volatile materials stripping in polluted underground water can be come out, reduce the load of subsequent wastewater treatment.The waste gas of stripping processing
Qualified discharge after can subsequently being handled by modes such as charcoal absorption, condensations.
During system operation, when vavuum pump negative pressure meets extracting hoisting power, it may not be necessary to tonifying Qi；When underground water buried depth
It is relatively deep, when vavuum pump negative pressure is unsatisfactory for extracting hoisting power, the tonifying Qi of air intake valve 16 can be opened, so as to realize extracting.When being
System operation a period of time, underground water produces certain drawdown, can turn off air intake valve 16 when having enough soil gas supplements.
Now, negative pressure can be regenerated in extraction well, soil gas, underground water, free phase (if any) are by simultaneously with steam water interface
Form is extracted, so that removal pollutant is reached, the purpose of rehabilitating soil underground water.
In order to realize the implementation result of the utility model optimization, this application provides based on reparation purpose optimal control side
Method, it is specific as follows：
The placement location of dropper conduit 8 is according to place hydrogeologic condition and repairs purpose synthesis determination.When needing back
When receiving free phase, then the angular cut 12 of dropper conduit 8 is placed on to the middle part of free phase layer position, by reduce underground water drawdown with
The mode of extracting amount realizes the maximization of free phase organic efficiency.When needing to realize that the drawdown of level of ground water 10 maximizes purpose,
Then dropper conduit 8 is placed on extracting bottom.When in the absence of free phase, dropper conduit 8 is typically placed on pollution most
Serious water table position, can improve remediation efficiency.
General principle of the present utility model and principal character and its advantage, the technology people of the industry has been shown and described above
Member is it should be appreciated that the utility model is not restricted to the described embodiments, and described in above-described embodiment and explanation is to illustrate this
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model, and scope is claimed in the utility model
By appended claims and its equivalent thereof.
Claims (9)
1. applied to the new extracting dropper of multiphase extraction device, including extraction well system, the extraction well system include white pipe,
Be fixedly connected on the screen casing of the white pipe bottom, be fixedly installed on the bottom of the screen casing bottom, be fixedly installed on it is described white
The well head threeway on pipe top, the backfill being from top to bottom sequentially filled on the outside of the white pipe and the screen casing, bentonite, stone
Sand, it is characterised in that：Also include extracting dropper system, the extracting dropper system includes being inserted in the white pipe and described
Dropper conduit and compressed air hose in screen casing, the dropper conduit are spliced by multistage, the lower end of the dropper conduit
Portion has angular cut, and the top of the angular cut offers the perforation for fixing the compressed air hose bottom, the pressure
The upper end of contracting air hose is connected through the well head threeway with air intake valve, the upper end of the dropper conduit and vavuum pump
It is connected, movable sealing top cover, the white Guan Shangshe is provided between the top of the top of the dropper conduit and the white pipe
It is equipped with the fixed structure for fixing the movable sealing top cover.
2. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：Described in multistage
Dropper conduit is spliced by the way of threaded connection each other.
3. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：The dropper
Conduit is 0.5-1m per segment length.
4. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：The dropper
Conduit is hollow circular tube.
5. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：The dropper
Conduit is made up of UPVC or stainless steel.
6. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：The perforation
At 5cm above the angular cut.
7. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：The beveling
The angle of mouth is 45 ° -60 °.
8. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：The fixation
Structure is anchor ear.
9. the new extracting dropper according to claim 1 applied to multiphase extraction device, it is characterised in that：The activity
Top pressure closure is made up of rubber, and the middle part of the movable sealing top cover has perforate, and the aperture of the perforate is less than the dropper
The external diameter of conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116577.8U CN206454984U (en) | 2017-02-08 | 2017-02-08 | New extracting dropper applied to multiphase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116577.8U CN206454984U (en) | 2017-02-08 | 2017-02-08 | New extracting dropper applied to multiphase extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206454984U true CN206454984U (en) | 2017-09-01 |
Family
ID=59695021
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720116577.8U Expired - Fee Related CN206454984U (en) | 2017-02-08 | 2017-02-08 | New extracting dropper applied to multiphase extraction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206454984U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623388A (en) * | 2017-02-08 | 2017-05-10 | 上海置浦环境科技有限公司 | Novel extraction dropping pipe applied to multiphase extraction device and control method of novel extraction dropping pipe |
| CN109967509A (en) * | 2019-04-30 | 2019-07-05 | 湖南省和清环境科技有限公司 | A kind of contaminated site original position multiphase extraction well device |
-
2017
- 2017-02-08 CN CN201720116577.8U patent/CN206454984U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623388A (en) * | 2017-02-08 | 2017-05-10 | 上海置浦环境科技有限公司 | Novel extraction dropping pipe applied to multiphase extraction device and control method of novel extraction dropping pipe |
| CN109967509A (en) * | 2019-04-30 | 2019-07-05 | 湖南省和清环境科技有限公司 | A kind of contaminated site original position multiphase extraction well device |
| CN109967509B (en) * | 2019-04-30 | 2024-01-30 | 湖南省和清环境科技有限公司 | Pollution site normal position multiphase extraction well device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20200208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |