CN209513527U - Online direct measurement equipment for benzopyrene in atmospheric environment - Google Patents
Online direct measurement equipment for benzopyrene in atmospheric environment Download PDFInfo
- Publication number
- CN209513527U CN209513527U CN201822064889.6U CN201822064889U CN209513527U CN 209513527 U CN209513527 U CN 209513527U CN 201822064889 U CN201822064889 U CN 201822064889U CN 209513527 U CN209513527 U CN 209513527U
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- conical flask
- guide tube
- tube
- switch
- gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005259 measurement Methods 0.000 title claims abstract description 23
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 title abstract description 4
- 238000005070 sampling Methods 0.000 claims abstract description 25
- 239000003365 glass fiber Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000002137 ultrasound extraction Methods 0.000 claims abstract description 12
- 230000010412 perfusion Effects 0.000 claims description 19
- 238000007781 pre-processing Methods 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- 230000012782 tube fusion Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 abstract description 6
- 239000013618 particulate matter Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 244000134336 Malus baccata Species 0.000 description 1
- 235000005079 Malus baccata Nutrition 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000004994 reproductive system Anatomy 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an online direct measurement device for benzopyrene in atmospheric environment, which comprises a sampling port, a sampling pipe, a front air guiding pipe, a water vapor filter core, a vacuum pump and a flow meter; the sampling port is communicated with a sampling pipe, and the sampling pipe is communicated with the first end of the front air guide pipe; the water vapor filter element, the vacuum pump and the flow meter are arranged in the front gas guide pipeline; the device also comprises a first switch, a conical flask, a glass fiber filter membrane, a separating funnel, a rear gas guide tube, an ultrasonic extraction instrument, a liquid conveying tube, a second switch, a diaphragm pump, a filter and a sample bottle; the glass fiber filter membrane is arranged in the conical flask; the first switch is arranged in the pipeline of the front air duct; the rear air duct communicates the interior of the conical flask with the outside atmosphere; the ultrasonic extractor is arranged outside the conical flask; the first end of the transfusion tube is inserted into the conical flask, and the second end is connected with the sample bottle. Utilize the utility model discloses, realized the online automatic sampling in succession of benzopyrene particulate matter and directly survey the analysis for the concentration value of survey is more accurate, effective.
Description
Technical field
The utility model relates in the online measuring technique of BaP more particularly to a kind of atmospheric environment BaP it is online
Straight measurement equipment.
Background technique
BaP can be combined together to form aerosol with the particle in atmosphere, pass through skin, respiratory tract, alimentary canal etc.
It is absorbed by the body, metabolism activation product in vivo can cause the tumour at the positions such as liver, skin, lung, to reproductive system, siberian crabapple
System all has certain toxicity, accurately detects its content with more important meaning.
Traditional fine particle sampling apparatus is the flow velocity that gas is obtained by included flow measurement, passes through the floating of flowmeter
Son is shown that the filter membrane in filter membrane sampler can carry out supplementary set to the particulate matter in air, and the filter membrane sample after acquisition is put
Enter solubilizer extraction in sample bottle and carry out subsequent experimental again, if distance also needs to divide in the stored refrigerated laboratory of taking back of sample farther out
Analysis, this method are commonly called as offline sampling analysis method.This method sampling time is long, and the sample of acquisition, which is mainly carried out analysis, has
One time interval inevitably touches air during this, if sample is needed to save and long-distance transport, fine grained
Chemical constituent be easier destroyed, and analyze sample influenced by human factor it is very big, spend manpower and material resources, therefore, from
Line sampling analysis method is increasingly difficult to meet the needs of fine grained observational study.The new online aerosol particle sampling of exploitation and
Analytical equipment and method have become the key of Atmospheric particulates research.
Utility model content
The purpose of the utility model is to provide a kind of online straight measurement equipments of BaP in atmospheric environment, to solve existing skill
The problems in art improves testing efficiency and accuracy rate.
The utility model provides a kind of online straight measurement equipment of BaP in atmospheric environment, wherein acquires including sample
Module and pre-processing module；
The sample acquisition module includes thief hatch, sampling pipe, preceding gas-guide tube, steam filter core, vacuum pump and flowmeter；Institute
It states thief hatch to be connected with the sampling pipe, the sampling pipe is connected with the first end of the preceding gas-guide tube；The steam filter
Core, vacuum pump and the flowmeter are arranged in the pipeline of the preceding gas-guide tube；
Pre-processing module includes first switch, conical flask, glass fiber filter, separatory funnel, rear gas-guide tube, ultrasonic extraction
Instrument, perfusion tube, second switch, diaphragm pump, filter and sample bottle；The glass fiber filter is arranged in the conical flask；
The separatory funnel is for being added extract liquor into the conical flask；The pipeline of the preceding gas-guide tube is arranged in the first switch
In, the second end of the preceding gas-guide tube be inserted under the liquid level inside the conical flask and be located at the glass fiber filter it
On；Gas-guide tube will communicate in the conical flask with outside atmosphere after described；The conical flask is arranged in the ultrasonic extraction instrument
It is external；The first end of the perfusion tube is inserted under the liquid level in the conical flask, the second end of the perfusion tube and the sample
Product bottle is connected；The second switch, diaphragm pump and filter are arranged in the pipeline of the perfusion tube.
Preferably, the bottleneck of the conical flask is provided with the rubber stopper for sealing, the preceding gas-guide tube, rear gas-guide tube and
Perfusion tube passes through the hole opened on the rubber stopper and is inserted into the conical flask.
Preferably, the separatory funnel has outlet tube, and the outlet tube is inserted by the hole opened on the rubber stopper
In the conical flask.
Preferably, third switch is provided on the outlet tube.
Preferably, the second end of the preceding gas-guide tube is provided with mouth expander.
Preferably, the mouth expander is horn-like.
Preferably, the 4th switch is provided on the rear gas-guide tube.
Online straight measurement equipment structure provided by the utility model is simple, and the sample particle of acquisition is allowed to be in closed environment
Pre-treatment is carried out, the interference of external environment and human factor is avoided, fine grain efficient trapping and conversion is realized, saves
The time of pre-treatment, the interference of human factor is eliminated, and can be directly used for continuously measuring, using automated manner, realizes benzene
And pyrene particulate matter on-line continuous samples automatically and straight survey is analyzed, so that the concentration value of measurement is more accurate and effective.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the online straight measurement equipment of BaP provided by the embodiment of the utility model.
Description of symbols:
Gas-guide tube 4- steam filter core 5- vacuum pump 6- flowmeter 7- first switch before 1- thief hatch 2- sampling pipe 3-
Gas-guide tube 12- ultrasonic extraction instrument 13- perfusion tube 14- after 8- conical flask 9- glass fiber filter 10- separatory funnel 11-
Two switch 15- diaphragm pump 16- filter 17- sample bottle 18- third switch 19- outlet tube 20- the 4th switch
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
As shown in Figure 1, the utility model embodiment provides a kind of online straight measurement equipment of BaP in atmospheric environment, packet
Include sample acquisition module and pre-processing module.
Wherein, sample acquisition module includes thief hatch 1, sampling pipe 2, preceding gas-guide tube 3, steam filter core 4, vacuum pump 5 and stream
Scale 6；The thief hatch 1 is connected with the sampling pipe 2, and the sampling pipe 2 is connected with the first end of the preceding gas-guide tube 3
It is logical；The steam filter core 4, vacuum pump 5 and the flowmeter 6 are arranged in the pipeline of the preceding gas-guide tube 3.
Pre-processing module include first switch 7, conical flask 8, glass fiber filter 9, separatory funnel 10, rear gas-guide tube 11,
Ultrasonic extraction instrument 12, perfusion tube 13, second switch 14, diaphragm pump 15, filter 16 and sample bottle 17；The glass fiber filter
9 are arranged in the conical flask 8；The separatory funnel 10 is for being added extract liquor into the conical flask 8；The first switch
7 are arranged in the pipeline of the preceding gas-guide tube 3, and the second end of the preceding gas-guide tube 3 is inserted into the liquid level inside the conical flask 8
Under and be located at the glass fiber filter 9 on；Gas-guide tube 11 will communicate in the conical flask 8 with outside atmosphere after described；
The outside of the conical flask 8 is arranged in the ultrasonic extraction instrument 12；The first end of the perfusion tube 13 is inserted in the conical flask 8
Liquid level under, the second end of the perfusion tube 13 is connected with the sample bottle 17；The second switch 14, diaphragm pump 15 and mistake
Filter 16 is arranged in the pipeline of the perfusion tube 13.
Above-mentioned thief hatch 1 is connected with the benzopyrene pollution source in atmospheric environment, 1 bottom centre position of thief hatch and sampling pipe
2 middle part vertically connects, and for the air-flow of acquisition by preceding gas-guide tube 3, steam filter core 4, the outlet of steam filter core 4 connects vacuum pump 5
Air inlet, flowmeter 6 is housed on the pipeline of 5 gas outlet of vacuum pump.
Preferably, the bottle mouth position of conical flask 8 being provided with the rubber stopper for sealing, rubber stopper is flexibly connected with bottleneck,
Preceding gas-guide tube 3, rear gas-guide tube 11 and perfusion tube 13 are inserted into the conical flask 8 by the hole opened on the rubber stopper.Rubber
Rubber plug has splendid heat-resisting, cold-resistant, resistance to weathering energy, there is good insulating properties, wearability.
Preceding gas-guide tube 3 is inserted into conical flask 8, it is preferable that (second end) is provided with flaring at the gas outlet of preceding gas-guide tube 3
Device, the mouth expander can be horn-like, be also possible to other shapes.Mouth expander is fixedly connected with the second end of preceding gas-guide tube 3, is expanded
It is the glass fiber filter 9 in conical flask 8 immediately below mouthpart, the center of glass fiber filter 9 and the center of mouth expander are hung down
Directly, the air of collection is distributed in the surface of glass fiber filter 9 by the outlet of mouth expander with uniformly hitting；The bottleneck of conical flask 8
Separately there are a conduit connection atmosphere, i.e., rear gas-guide tube 11 in place, and rear gas-guide tube 11 is equipped with the 4th switch 20.The bottleneck of conical flask 8
Place is additionally provided with separatory funnel 10, and extract liquor, such as acetonitrile solution are housed inside separatory funnel 10.The separatory funnel 10 has
Outlet tube 19 is preferably provided with third switch 18 on outlet tube 19.The outlet tube 19 passes through the hole opened on the rubber stopper
It is inserted into the conical flask 8.
Conical flask 8 is entirely placed on the inside of ultrasonic extraction instrument 12, and the liquid level of ultrasonic extraction instrument 12 is maintained at conical flask 8
The height that interior liquid is totally submerged；The bottle mouth position of conical flask 8 is connected with a conduit by rubber stopper, i.e. perfusion tube 13 is connected to the right side
Side is equipped with second switch 14 on perfusion tube 13, connects Miniature diaphragm pump 15 behind second switch 14 and extracted by Miniature diaphragm pump 15
Prepare liquid；The outlet of Miniature diaphragm pump 15 passes through the replaceable type filter 16 of piping connection of perfusion tube 13,16 right side of filter
Sample bottle 17 is reconnected, the sample feeding pipe of the external liquid chromatograph of sample bottle 17 of prepare liquid is filled.
Thief hatch 1 also can have mouth expander, and polluted gas passes through the expansion of thief hatch 1 under the swabbing action of vacuum pump 5
Mouthpart enters sampling pipe 2, and the atmosphere of acquisition is the filtering by steam filter core 4 enters minipump 5, flowmeter 6 can be shown
Acquire atmosphere flow value, into conical flask 8 after be equably sprayed at glass at the trumpet flare device of preceding 3 end of gas-guide tube
The surface of fibrous filter membrane 9, sufficiently completes enrichment of the BaP particle on glass fiber filter 9, and glass fiber filter 9 is placed in
Bottom in conical flask 8, the separatory funnel 10 equipped with acetonitrile solution is equipped with above conical flask 8, and entire 8 device of conical flask is placed on
In ultrasonic extraction instrument 12, the BaP fine grained on glass fiber filter 9 is dispersed in extract liquor using ultrasonic wave, and
Dissolve in the soluble component in fine grained in extract liquor.Absorbing liquid after absorption by Miniature diaphragm pump 15 aspirate into
Enter sample bottle 17.
The process for carrying out sample acquisition using above-mentioned online straight measurement equipment is as follows:
When needing to carry out online collection measurement, it is first shut off the switch of 15 front end of Miniature diaphragm pump, opens conical flask 8
Forward and backward first switch 7 and second switch 14 starts minipump 5, starts to remember when the numerical value of flowmeter 6 reaches stable
Record sampling initial time.After sampling a period of time, stop minipump 5, closes 8 first switch 7 of conical flask and second switch
14, the rotary switch for opening separatory funnel 10 enters in conical flask 8 by acetonitrile solution submerges glass fiber filter paper, opens ultrasound and mentions
Instrument 12 is taken, time, temperature, frequency are set, ultrasonic wave dissolves in the soluble component in fine grained in extract liquor, and one
After the section time, ultrasonic extraction instrument 12 is closed, opens second switch 14 and Miniature diaphragm pump 15, prepare liquid is in Miniature diaphragm pump 15
Replaceable type filter 16 is flowed through under suction and enters sample bottle 17, and the prepare liquid in sample bottle 17 introduces liquid phase color by sample feeding pipe
Spectrometer detection.Remaining prepare liquid can be poured out from 8 mouthfuls of conical flask, after prepare liquid is emptied completely, complete primary enrichment measurement.
Online straight measurement equipment structure provided by the embodiment of the utility model is simple, makes the sample particle of acquisition closed
Pre-treatment is carried out in environment, avoids the interference of external environment and human factor, realizes fine grain efficient trapping and conversion,
The time for having saved pre-treatment, the interference of human factor is eliminated, and can be directly used for continuously measuring, it is real using automated manner
Show BaP particulate matter on-line continuous to sample automatically and directly survey analysis, so that the concentration value of measurement is more accurate and effective.
The structure, features, and effects of the present invention is described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to
Change or equivalent example modified to equivalent change made by conception according to the utility model, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (7)
1. the online straight measurement equipment of BaP in a kind of atmospheric environment, which is characterized in that including sample acquisition module and pre-treatment
Module；
The sample acquisition module includes thief hatch, sampling pipe, preceding gas-guide tube, steam filter core, vacuum pump and flowmeter；It is described to adopt
Sample mouth is connected with the sampling pipe, and the sampling pipe is connected with the first end of the preceding gas-guide tube；It is the steam filter core, true
Sky pump and the flowmeter are arranged in the pipeline of the preceding gas-guide tube；
Pre-processing module include first switch, conical flask, glass fiber filter, separatory funnel, rear gas-guide tube, ultrasonic extraction instrument,
Perfusion tube, second switch, diaphragm pump, filter and sample bottle；The glass fiber filter is arranged in the conical flask；It is described
Separatory funnel is for being added extract liquor into the conical flask；The first switch is arranged in the pipeline of the preceding gas-guide tube,
The second end of the preceding gas-guide tube is inserted under the liquid level inside the conical flask and is located on the glass fiber filter；
Gas-guide tube will communicate in the conical flask with outside atmosphere after described；The outer of the conical flask is arranged in the ultrasonic extraction instrument
Portion；The first end of the perfusion tube is inserted under the liquid level in the conical flask, the second end of the perfusion tube and the sample
Bottle is connected；The second switch, diaphragm pump and filter are arranged in the pipeline of the perfusion tube.
2. online straight measurement equipment according to claim 1, which is characterized in that the bottleneck of the conical flask is provided with for close
The rubber stopper of envelope, the preceding gas-guide tube, rear gas-guide tube and perfusion tube pass through the hole opened on the rubber stopper and are inserted into the cone
In shape bottle.
3. online straight measurement equipment according to claim 2, which is characterized in that the separatory funnel has outlet tube, described
Outlet tube is inserted into the conical flask by the hole opened on the rubber stopper.
4. online straight measurement equipment according to claim 3, which is characterized in that be provided with third switch on the outlet tube.
5. online straight measurement equipment according to claim 1, which is characterized in that the second end of the preceding gas-guide tube is provided with expansion
Mouthpart.
6. online straight measurement equipment according to claim 5, which is characterized in that the mouth expander is horn-like.
7. online straight measurement equipment according to claim 1, which is characterized in that be provided with the 4th on gas-guide tube after described and open
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064889.6U CN209513527U (en) | 2018-12-10 | 2018-12-10 | Online direct measurement equipment for benzopyrene in atmospheric environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064889.6U CN209513527U (en) | 2018-12-10 | 2018-12-10 | Online direct measurement equipment for benzopyrene in atmospheric environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209513527U true CN209513527U (en) | 2019-10-18 |
Family
ID=68193661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064889.6U Withdrawn - After Issue CN209513527U (en) | 2018-12-10 | 2018-12-10 | Online direct measurement equipment for benzopyrene in atmospheric environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209513527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444009A (en) * | 2018-12-10 | 2019-03-08 | 红云红河烟草(集团)有限责任公司 | Online direct measurement equipment for benzopyrene in atmospheric environment |
-
2018
- 2018-12-10 CN CN201822064889.6U patent/CN209513527U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444009A (en) * | 2018-12-10 | 2019-03-08 | 红云红河烟草(集团)有限责任公司 | Online direct measurement equipment for benzopyrene in atmospheric environment |
| CN109444009B (en) * | 2018-12-10 | 2024-02-20 | 红云红河烟草(集团)有限责任公司 | On-line direct test equipment for benzopyrene in atmospheric environment |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191018 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191018 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |