CN206002489U - A kind of device of extractive analysis Organic Chemicals In Groundwater - Google Patents
A kind of device of extractive analysis Organic Chemicals In Groundwater Download PDFInfo
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- CN206002489U CN206002489U CN201620939895.XU CN201620939895U CN206002489U CN 206002489 U CN206002489 U CN 206002489U CN 201620939895 U CN201620939895 U CN 201620939895U CN 206002489 U CN206002489 U CN 206002489U
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- 238000004458 analytical method Methods 0.000 title claims abstract description 20
- 239000003673 groundwater Substances 0.000 title claims abstract description 19
- 239000000126 substance Substances 0.000 title claims abstract description 17
- 238000000605 extraction Methods 0.000 claims abstract description 146
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 10
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- 238000005520 cutting process Methods 0.000 claims abstract description 6
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- IVSZLXZYQVIEFR-UHFFFAOYSA-N 1,3-Dimethylbenzene Natural products CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N alpha-methyl toluene Natural products CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- RWGFKTVRMDUZSP-UHFFFAOYSA-N isopropyl-benzene Natural products CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N o-dimethylbenzene Natural products CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
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- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- 206010019133 Hangover Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
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- 239000000356 contaminant Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model discloses a kind of device of extractive analysis Organic Chemicals In Groundwater, belongs to technical field of sewage, wherein the device includes：Extraction tower, its top are provided with first charging aperture, and its bottom is provided with second charging aperture and discharging opening, sample tap is provided with the middle part of which, first charging aperture is used for being input into extractant, and second charging aperture is used for being input into underground water, and discharging opening is used for exporting the liquid after extraction terminates；Current-limiting apparatus, positioned at the middle and upper part of extraction tower, for extending residence time of the liquid in extraction tower；Extraction pin, downward oblique cutting are connected at sample tap, liquid in extraction tower are sampled after terminating for extraction；Pump, its import are connected with the top of extraction tower by water influent pipeline, and its outlet is connected with the bottom of extraction tower by drain pipe road, for controlling liquid circulating from import to outlet.Device and method of the present utility model can be greatly enhanced the validity of organic pollution extraction, high have the advantages that extraction efficiency.
Description
Technical field
The utility model is related to technical field of sewage, and in particular to a kind of extractive analysis Organic Chemicals In Groundwater
Device and method.
Background technology
Underground water is to penetrate into below ground by precipitation and surface water through pedostratigraphy to be formed, and which is used as important water supply water
Source and the important support of the ecosystem, are to maintain the eucyclic important leverage of water system, be involve the interests of the state and the people, people's health
Safety, the precious resources of social sustainable development.In the evolution of society, due to foresight, environment to environmental protection
The development of each side such as safeguard measure, pollutant treatment technology, the environmental consciousness of people and the rate of economic development uncoordinated, China
Groundwater environment be subject to serious destruction, the situation is tense to cause water pollution, and water quality goes from bad to worse.
In groundwater quality, organic pollution mainly includes natural organic matter and two class of artificial synthetic organic materials, natural organic matter
Being the attachment carrier of a lot of hazardous contaminants, while being also the precursor of DBPs, water body, structure is entered by surface runoff
Become a part for water body organic contamination.Artificial synthetic organic materials species is various, mainly by production activity and the life of the mankind
Water body is entered, causes underground water pollution.Industrial wastewater, sanitary sewage and residues of pesticides are main in the water body of Drinking Water in China source
Organic contamination source.
There is the method for a lot of analyzing and processing underground water at present, for example, surfactant enhanced remediation technology, which is mainly first
Majority of organic pollutants is extracted, after pollutant levels reach hangover concentration and no a large amount of nonaqueous phases, adds surface
Activating agent, using its flow increasing and the property of solubilising, increases solubility of the organic pollution in underground water, underground water is carried out by force
Change and repair.But, due to adding exhibiting high surface activating agent in underground water, if can not be by organic contamination in follow-up sewage disposal
Thing and surfactant are efficiently separated, it will caused secondary pollution, and be unfavorable for the analysis to Components of Organic Pollutants.
Content of the invention
Therefore, the utility model embodiment technical problem to be solved is that organic pollution extraction validity is poor.
For this purpose, a kind of device of extractive analysis Organic Chemicals In Groundwater of the utility model embodiment, including：
Extraction tower, its top are provided with first charging aperture, and its bottom is provided with second charging aperture and discharging opening, sets in the middle part of which
Sample tap is equipped with, first charging aperture is used for extractant to be input into, second charging aperture is used for underground water to be input into, discharging opening is used for exporting extraction
Take the liquid after terminating；
Current-limiting apparatus, positioned at the middle and upper part of extraction tower, for extending residence time of the liquid in extraction tower；
Extraction pin, downward oblique cutting are connected at sample tap, liquid in extraction tower are sampled after terminating for extraction；
Pump, its import are connected with the top of extraction tower by water influent pipeline, and its outlet is by drain pipe road and extraction tower
Bottom connects, for controlling liquid circulating from import to outlet.
Preferably, the current-limiting apparatus include at least two pieces current limiting plates；
The fixing end of current limiting plate is connected with the inwall of extraction tower, and free end leaves certain gap with the inwall of extraction tower,
The gap is used for flowing through for liquid；
The gap that adjacent current limiting plate leaves is staggered.
Preferably, the current limiting plate is inclined upwardly so that free end is located at the top of fixing end.
Preferably, sepage aperture is distributed with the current limiting plate.
Preferably, the extraction pin is applied for polarity coating extraction pin, nonpolar coating extraction pin or middle polarity mixed type
Layer extraction pin.
Preferably, in the extraction tower, the exit on drain pipe road is provided with shower nozzle.
The technical scheme of the utility model embodiment, has the advantage that：
The device of the above-mentioned extractive analysis Organic Chemicals In Groundwater that the utility model embodiment is provided, by extraction
The middle and upper part of tower arranges the current-limiting apparatus for extending residence time of the liquid in extraction tower, it is possible to increase in one cycle
Extractant and the mixability of underground water so as to can be sufficiently mixed, so as to improve organic pollution in circulation every time
The validity of extraction, reduces the number of times of cycling extraction, so as to also improve the efficiency of extraction.It is connected on by arranging extraction pin oblique cutting
Sample tap so that extraction pin fully, comprehensively contacts the liquid that extraction terminates in rear extraction tower, improves subsequently to organic pollution
The adequacy and integrality of analysis, can make organic pollution of the presence in underground water be parsed out completely.
Description of the drawings
For the technical scheme being illustrated more clearly that in the utility model specific embodiment, below will be to specific embodiment party
Accompanying drawing to be used needed for formula description is briefly described, it should be apparent that, drawings in the following description are the utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is one of the device of extractive analysis Organic Chemicals In Groundwater in the utility model embodiment 1 and specifically shows
The structural representation of example；
Fig. 2 be in the utility model embodiment 1 device of extractive analysis Organic Chemicals In Groundwater another is concrete
The structural representation of example；
Fig. 3 is the structural representation of a specific example of current limiting plate in the utility model embodiment 1；
Fig. 4 is one of the method for extractive analysis Organic Chemicals In Groundwater in the utility model embodiment 2 and specifically shows
The flow chart of example；
Fig. 5 is the chromatogram of contained organic pollution in the underground water of example 1 in the utility model embodiment 2；
Fig. 6 is the chromatogram of contained organic pollution in the underground water of example 2 in the utility model embodiment 2.
Reference：1- extraction tower, 11- first charging aperture, 12- second charging aperture, 13- discharging opening, 14- sample tap, 2-
Current-limiting apparatus, 21- current limiting plate, 3- extract pin, 4- pump, a- benzene, b- toluene, c- ethylbenzene, d- meta-xylene, e- ortho-xylene, f-
Isopropylbenzene.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to this practicality
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of describing the utility model and simplifying description, rather than the device or element of instruction or hint indication must be with specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
The connection of two element internals is can also be, can be wireless connection, or wired connection.Common skill for this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
As long as additionally, involved technical characteristic in the utility model different embodiments disclosed below is each other
Do not constitute conflict can just be combined with each other.
Embodiment 1
The present embodiment provides a kind of device of extractive analysis Organic Chemicals In Groundwater, as shown in figure 1, including：Extraction
Tower 1, current-limiting apparatus 2, extraction pin 3 and pump 4.The top of extraction tower 1 is provided with first charging aperture 11, and the bottom of extraction tower 1 is arranged
The middle part for having second charging aperture 12 and discharging opening 13, extraction tower 1 is provided with sample tap 14, and sample tap 14 is arranged on middle part and leans on as far as possible
The position of nearly current-limiting apparatus 2, so that extraction pin 3 can be adequately exposed to the liquid in extraction tower 1.First charging aperture 11 is used for
To in extraction tower 1, second charging aperture 12 is used for being input into underground water in extraction tower 1 input extractant, and discharging opening 13 is used for from extraction
Take tower 1 and export the liquid after extraction terminates.Current-limiting apparatus 2 connect positioned at the middle and upper part of extraction tower 1, for extending liquid in extraction
Residence time in tower 1.The downward oblique cutting of extraction pin 3 is connected at sample tap 14, liquid in extraction tower 1 is entered after terminating for extraction
Row sampling.The import of pump 4 is connected with the top of extraction tower 1 by water influent pipeline, and the outlet of pump 4 is by drain pipe road and extraction tower
1 bottom connection, for controlling liquid circulating from import to outlet.
During work, the bottom of extractant pump to extraction tower 1 is flowed out by pump 4 from drain pipe road, underground water and extractant mixed
Close liquid to be flowed in extraction tower 1 from bottom to top, after flowing through current-limiting apparatus 2, then extraction tower 1 is flowed out from water influent pipeline, in the work of pump 4
With under, then flow out from the outlet on drain pipe road, so move in circles, extracted.After extraction terminates, extract is from discharging opening 13
Output, can carry out follow-up process.
The device of above-mentioned extractive analysis Organic Chemicals In Groundwater, by arranging for extending in the middle and upper part of extraction tower
The current-limiting apparatus of residence time of the liquid in extraction tower, it is possible to increase the mixing journey of extractant and underground water in one cycle
Degree so as to can be sufficiently mixed, so as to improve the validity of organic pollution extraction in circulation every time, reduces circulation extraction
The number of times for taking, so as to also improve the efficiency of extraction.Sample tap is connected on by arranging extraction pin oblique cutting so that extraction pin fully,
Comprehensively contact extraction terminates the liquid in rear extraction tower, improves adequacy subsequently to organic pollutant analysis and integrality,
Organic pollution of the presence in underground water can be made to be parsed out completely.
As a kind of preferred embodiment, as shown in Fig. 2 current-limiting apparatus 2 include at least two pieces current limiting plates 21.Current limiting plate 21
Fixing end be connected with the inwall of extraction tower 1, the inwall of free end and extraction tower 1 leaves certain gap, and gap is used for feed flow
Body flows through.The gap that adjacent current limiting plate 21 leaves is staggered, and gap distribution is on the section for crossing 1 axis of extraction tower.Current limiting plate
21 are inclined upwardly so that free end is located at the top of fixing end.For example, when current limiting plate 21 is three pieces, liquid is along the first current limiting plate
Free end is flowed to from the fixing end of the first current limiting plate, then between the first current limiting plate free end and the inwall of extraction tower 1 between
Flow out in gap, free end is flowed to then along the second current limiting plate from the fixing end of the second current limiting plate, then outstanding from the second current limiting plate
In gap between the inwall of dead end and extraction tower 1 flow out, then after along the 3rd current limiting plate from the fixing end stream of the 3rd current limiting plate
To free end, then flow out in the gap between the 3rd current limiting plate free end and the inwall of extraction tower 1, finally flow into feed tube
Road.
As another kind of preferred embodiment, and unlike above-mentioned preferred embodiment, 21 horizontal positioned of current limiting plate,
The gap that adjacent current limiting plate 21 leaves is staggered, and the spread pattern in gap is spiral yarn shaped, is also distributed with and oozes on current limiting plate 21
Liquid aperture, liquid can also be flowed out from sepage aperture, the breakdown of emulsion such that it is able to facilitated extraction agent liquid and coalescence.
As another preferred embodiment, in addition to have the characteristics that above-mentioned preferred embodiment, when extraction tower 1 is
During cylindrical, current limiting plate 21 can be circle lack shape, as shown in figure 3,21 radiused edges of current limiting plate can with extraction tower 1 in
Wall is in close contact connection, is gap between 21 straight edges of current limiting plate and the inwall of extraction tower 1.Sepage on current limiting plate 21 is little
Hole is uniformly distributed.
It will be understood by those of skill in the art that current-limiting apparatus are not limited to the specific structure of above two, other can be real
The device for now extending residence time of the liquid in extraction tower 1 can.
Preferably, extraction pin 3 is polarity coating extraction pin, nonpolar coating extraction pin or middle polarity mixed type coating extraction
Take pin.
Preferably, in extraction tower 1, the exit on drain pipe road is provided with shower nozzle 5, extraction agent solution can be dispersed into drop,
Increase the contact area of extractant and underground water, so as to improve the validity of organic pollution extraction further, improve extraction effect
Rate.
Embodiment 2
The present embodiment provides a kind of device of the extractive analysis Organic Chemicals In Groundwater of utilization embodiment 1 and is extracted
The method of analysis Organic Chemicals In Groundwater, as shown in figure 4, comprise the following steps：
In S1, preheating extraction tower 1, temperature is to preset temperature, such as 30 DEG C ~ 50 DEG C；
S2, unlatching pump 4, circulation is preheated in advance to make air；
S3 is while being input to underground water in extraction tower 1 by second charging aperture 12 and feeding extractant by first
Mouth 11 is input in extraction tower 1；
S4, extractant are input into the bottom of extraction tower 1 after flowing separately through water influent pipeline and drain pipe road in the presence of pump 4,
Then the mixed liquor of underground water and extractant is flowed up, and after flowing through current-limiting apparatus 2, enters water influent pipeline, through repeatedly circulation
After complete extraction；
S5, closing pump 4, extract extraction pin 3 at sample tap 14；
S6, extraction pin 3 is parsed in gas chromatograph injection port immediately, obtained contained organic pollution in underground water
Chromatogram, and after chromatogram and standard sample collection of illustrative plates are compared, draw contained organic pollution in underground water.
The method of above-mentioned extractive analysis Organic Chemicals In Groundwater, by preheating temperature in extraction tower, improves organic
The speed and validity of pollutant extraction.By the preheating of the pipeline to pump, make the water influent pipeline of pump and drain pipe road all advance
With certain temperature, when the liquid in extraction tower with temperature flows into water influent pipeline, the one of extraction environment temperature is maintained
Cause property, it is to avoid the liquid of higher temperature can produce the phenomenons such as condensation so as to produce to extraction process when entering lower temperature environments
Impact, improve the validity of extraction process.Current-limiting apparatus are flowed through by making mixed liquor, liquid is extended in extraction tower
Residence time, it is possible to increase the mixability of extractant and underground water in one cycle so as to can be sufficiently mixed,
So as to the validity of organic pollution extraction in circulation every time is improved, reduce the number of times of cycling extraction, so as to also improve extraction
Efficiency.
Preferably, above-mentioned S4 includes：
After extractant flows separately through water influent pipeline and drain pipe road in the presence of pump 4, extraction tower 1 is input into by shower nozzle 5
Bottom, then the mixed liquor of underground water and extractant flow up, enter current-limiting apparatus 2, mixed liquor respectively flows through current limiting plate
After sepage aperture on gap between the inwall of 21 free end and extraction tower 1 and current limiting plate 21, water influent pipeline is entered, through excessive
Extraction is completed after secondary circulation.
Concrete example explanation below, example 1.
The method of the extractive analysis Organic Chemicals In Groundwater of this example 1 is comprised the following steps：
In S11, preheating extraction tower 1, temperature is to 45 DEG C；
S12, unlatching pump 4, circulation is preheated in advance to make air；
S13 is while being input to underground water in extraction tower 1 by second charging aperture 12 and feeding extractant by first
Mouth 11 is input in extraction tower 1；Water level is retentively descended to reach the bottom of current-limiting apparatus 2, all liq is full of whole extraction tower
1.
S14, extractant are input into the bottom of extraction tower 1 after flowing separately through water influent pipeline and drain pipe road in the presence of pump 4,
Then the mixed liquor of underground water and extractant is flowed up, and after flowing through current-limiting apparatus 2, enters water influent pipeline, through repeatedly circulation
After complete extraction；
S15, closing pump 4, extract extraction pin 3 at sample tap 14；Extraction pin 3 must be activated with 300 DEG C when using first
2 hours, and daily using front using 300 DEG C to toast 30 minutes.Extraction pin 3 extracts pin using 85um polyacrylate coatings.
S16, extraction pin 3 is carried out parsing 5 minutes in gas chromatograph injection port immediately, obtain contained organic in underground water
The chromatogram of pollutant, as shown in figure 5, and by chromatogram and naphthalene, repefral（DMP）, anthracene, phthalic acid-
2-（Diethylhexyl）Ester（DEHP）, di-n-octyl phthalate（DOP）Collection of illustrative plates compare after, draw underground water
In contained organic pollution.GC conditions are：70 DEG C of column temperature starting, is kept for 8 minutes, rises to 170 with 30 DEG C/min
DEG C, kept for 10 minutes, 280 DEG C risen to 30 DEG C/min, kept for 10 minutes, 280 DEG C of gasification temperature, 300 DEG C of detector temperature,
Carrier gas：N2, column flow：1.0mL/ minute, H2：47mL/ minute, air：400mL/ minute, Splitless injecting samples, sample injection time：1 point
Clock.Extraction time 60 minutes.
Example 2.
The method of the extractive analysis Organic Chemicals In Groundwater of this example 2 is comprised the following steps：
In S21, preheating extraction tower 1, temperature is to 40 DEG C；
S22, unlatching pump 4, circulation is preheated in advance to make air；
S23 is while being input to underground water in extraction tower 1 by second charging aperture 12 and feeding extractant by first
Mouth 11 is input in extraction tower 1；Water level is retentively descended to reach the bottom of current-limiting apparatus 2, all liq is full of whole extraction tower
1.
S24, extractant are input into the bottom of extraction tower 1 after flowing separately through water influent pipeline and drain pipe road in the presence of pump 4,
Then the mixed liquor of underground water and extractant is flowed up, and after flowing through current-limiting apparatus 2, enters water influent pipeline, through repeatedly circulation
After complete extraction；
S25, closing pump 4, extract extraction pin 3 at sample tap 14；Extraction pin 3 is applied using 100um dimethyl silicone polymer
Layer extraction pin.
S26, extraction pin 3 is carried out parsing 5 minutes in gas chromatograph injection port immediately, obtain contained organic in underground water
The chromatogram of pollutant, as shown in fig. 6, and by chromatogram and benzene, toluene, ethylbenzene, meta-xylene, ortho-xylene, isopropylbenzene
After collection of illustrative plates compares, contained organic pollution in underground water is drawn.GC conditions are：40 DEG C of column temperature starting,
Kept for 1 minute, 120 DEG C are risen to 10 DEG C/min, kept for 5 minutes, 230 DEG C of gasification temperature, 250 DEG C of detector temperature, carrier gas：
N2, column flow：1.0mL/ minute, H2：47mL/ minute, air：400mL/ minute, Splitless injecting samples, sample injection time：1 minute.Extraction
Take the time 8 minutes.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among the protection domain that creates still in the utility model.
Claims (6)
1. a kind of device of extractive analysis Organic Chemicals In Groundwater, it is characterised in that include：
Extraction tower（1）, its top is provided with first charging aperture（11）, its bottom is provided with second charging aperture（12）And discharging opening
（13）, in the middle part of which, it is provided with sample tap（14）, first charging aperture（11）For being input into extractant, second charging aperture（12）For defeated
Enter underground water, discharging opening（13）For exporting the liquid after extraction terminates；
Current-limiting apparatus（2）, positioned at extraction tower（1）Middle and upper part, for extending liquid in extraction tower（1）Interior residence time；
Extraction pin（3）, downward oblique cutting is connected on sample tap（14）Place, to extraction tower after terminating for extraction（1）Interior liquid is taken
Sample；
Pump（4）, its import is by water influent pipeline and extraction tower（1）Top connection, its outlet by drain pipe road and extraction tower
（1）Bottom connection, for control liquid from import to outlet circulating.
2. device according to claim 1, it is characterised in that the current-limiting apparatus（2）Including at least two pieces current limiting plates
（21）；
Current limiting plate（21）Fixing end and extraction tower（1）Inwall connection, free end and extraction tower（1）Inwall leave certain
Gap, the gap are used for flowing through for liquid；
Adjacent current limiting plate（21）The gap that leaves is staggered.
3. device according to claim 2, it is characterised in that the current limiting plate（21）It is inclined upwardly so that free end is located at
The top of fixing end.
4. device according to claim 2, it is characterised in that the current limiting plate（21）On sepage aperture is distributed with.
5. device according to claim 1, it is characterised in that the extraction pin（3）For polarity coating extraction pin, nonpolar
Coating extraction pin or middle polarity mixed type coating extraction pin.
6. the device according to any one of claim 1-5, it is characterised in that the extraction tower（1）The going out of interior drain pipe road
Shower nozzle is provided with mouthful（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620939895.XU CN206002489U (en) | 2016-08-26 | 2016-08-26 | A kind of device of extractive analysis Organic Chemicals In Groundwater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620939895.XU CN206002489U (en) | 2016-08-26 | 2016-08-26 | A kind of device of extractive analysis Organic Chemicals In Groundwater |
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| CN206002489U true CN206002489U (en) | 2017-03-08 |
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ID=58196934
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353420A (en) * | 2016-08-26 | 2017-01-25 | 北京航天环境工程有限公司 | Device and method for extracting and analyzing organic pollutants in underground water |
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2016
- 2016-08-26 CN CN201620939895.XU patent/CN206002489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353420A (en) * | 2016-08-26 | 2017-01-25 | 北京航天环境工程有限公司 | Device and method for extracting and analyzing organic pollutants in underground water |
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