CN107727458A - A kind of air pollutants dilution tunnel sampler - Google Patents
A kind of air pollutants dilution tunnel sampler Download PDFInfo
- Publication number
- CN107727458A CN107727458A CN201711171368.4A CN201711171368A CN107727458A CN 107727458 A CN107727458 A CN 107727458A CN 201711171368 A CN201711171368 A CN 201711171368A CN 107727458 A CN107727458 A CN 107727458A
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- CN
- China
- Prior art keywords
- dilution
- dilution device
- weldment
- injection
- air pollutants
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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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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of sampler, more particularly, to a kind of air pollutants dilution tunnel sampler.Including primary dilution device, perforation dilution device, injection dilution device weldment, secondary dilution device weldment and the current divider weldment being sequentially connected；The injection dilution device pipe arrangement is arranged in injection dilution device weldment.Therefore, the invention has the advantages that：Can gather aerosol sample when being detected to various emission sources, and carry out organic, element, ion analysis, and sampling can be collected to different diameter airborne particle, can true form of the simulated flue gas under Real Atmosphere environment the defects of.
Description
Technical field
The present invention relates to a kind of sampler, more particularly, to a kind of air pollutants dilution tunnel sampler.
Background technology
When being detected to various emission sources, it is impossible to gather aerosol sample, organic, element, ion point can not be carried out
Analysis, it is impossible to sampling is collected to different diameter airborne particle, it is impossible to the true form of simulated flue gas under Real Atmosphere environment etc.
Defect.Because many particulate matters are present in gas phase and aerosol phase simultaneously, particulate matter and gaseous precursors thing are in two-phase
Ratio be with source emission in an atmosphere the change of temperature and dilute strength and change.Because the temperature in flue is very high,
Exist in a gaseous form more with particulate matter existing for aerosolized in air, therefore the directly filtering from hot flue gases can not be used
The amplification of grain thing catches aerosol, and needs specific device, flue gas is diluted, the expansion of simulated flue gas in an atmosphere
The processes such as distribution, surface particles physicochemical change between scattered, solid phase and gas phase.
The content of the invention
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of air pollutants dilution tunnel sampler, it is characterised in that including be sequentially connected primary dilution device, wear
Hole dilution device, injection dilution device weldment, secondary dilution device weldment and current divider weldment；The injection dilution
Unit piping is arranged in injection dilution device weldment.
In a kind of above-mentioned air pollutants dilution tunnel sampler, primary dilution device be provided with it is at least one be passed through it is dry
The primary dilution gas pipeline of pathogenic dryness body.
It is a primary dilution pipe inside a kind of above-mentioned air pollutants dilution tunnel sampler, primary dilution device
Road, pipeline one end are used to access measured gas, and the other end connects with injection dilution device pipe arrangement.
It is a bucket shape inside a kind of above-mentioned air pollutants dilution tunnel sampler, secondary dilution device weldment
Cavity, bucket shape cavity one end connect with a rectangular enclosure, and the other end connects with injection dilution device pipe arrangement.
In a kind of above-mentioned air pollutants dilution tunnel sampler, secondary dilution device weldment is passed through provided with one
The secondary dilution gas pipeline of dry gas, pipeline connect with injection dilution device pipe arrangement.
It is additionally provided with a kind of above-mentioned air pollutants dilution tunnel sampler, secondary dilution device weldment and uses respectively
In the measurement mouth of measurement pressure and temperature, measurement mouth and secondary dilution device weldment connects with the internal cavities.
In a kind of above-mentioned air pollutants dilution tunnel sampler, injection dilution device weldment, which is provided with, to be used to measure
The measurement mouth of temperature, measurement mouth inside injection dilution device weldment with connecting.
It is additionally provided with a kind of above-mentioned air pollutants dilution tunnel sampler, primary dilution device and is respectively used to measure
The measurement pipeline of pressure and temperature, measurement pipeline inside primary dilution device with connecting.
Therefore, the invention has the advantages that：Particulate matter sample can be gathered when being detected to various emission sources
Product, and organic, element, ion analysis are carried out, and sampling can be collected to different diameter airborne particle, energy simulated flue gas is true
The defects of true form under atmospheric environment.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the present invention.
Accompanying drawing 2 is a kind of dimensional structure diagram of the present invention.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.Wherein,
1. the secondary dilution device weldment 3. of current divider weldment 2. injection dilution device weldment 4. sprays dilution device pipe arrangement 5. and worn
The primary dilution device of hole dilution device 6..
Embodiment：
The apparatus structure of the present invention is introduced first, including the primary dilution device 6 being sequentially connected, dilution device 5 of perforating, spray
Penetrate dilution device weldment 3, secondary dilution device weldment 2 and current divider weldment 1；The injection dilution device pipe arrangement 4
It is arranged in injection dilution device weldment 3.
Primary dilution device 6 is provided with a primary dilution gas pipeline for being passed through dry gas.In primary dilution device 6
Portion is a primary dilution pipeline, and pipeline one end is used to access measured gas, and the other end connects with injection dilution device pipe arrangement 4
It is logical.
The inside of secondary dilution device weldment 2 is a bucket shape cavity, and bucket shape cavity one end connects with a rectangular enclosure,
The other end connects with injection dilution device pipe arrangement 4.Secondary dilution device weldment 2 is provided with a time for being passed through dry gas
Level diluent gas pipeline, pipeline connect with injection dilution device pipe arrangement 4.It is additionally provided with secondary dilution device weldment 2 and uses respectively
In the measurement mouth of measurement pressure and temperature, measurement mouth and the connects with the internal cavities of secondary dilution device weldment 2.
Spray dilution device weldment 3 and be provided with the measurement mouth for being used for measurement temperature, measurement mouth and injection dilution device weldering
The inside of fitting 3 connects.
The measurement pipeline for being respectively used to measure pressure and temperature, measurement pipeline and primary are additionally provided with primary dilution device 6
The inside of dilution device 6 connects.
During work, wherein flue gas dilution passage has air inlet, flue gas air mixed diluting particulate matter part, discharge portion three
Part is formed, and surrounding air, by drier, enters primary dilution passage by air compressor 9 through primary dilution gas pipeline
6th, spray inside dilution tunnel.There is the nozzle of specially treated in the injection interface of dilution tunnel 2, therefore negative pressure can be formed at nozzle
Gas in primary dilution device 6 is extracted out.Pass through dilution device 3 and the high temperature by heater of perforating by heater flue gas
Air dilutes in primary dilution storehouse, after fully being diluted into two level dilution tunnel by negative pressure, is welded by being connected to current divider
Sampler at fitting 1 carries out the dilution sampling of particulate matter.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although the secondary dilution device weldment 3. of 1. current divider weldment 2. has more been used to spray dilution device herein
Weldment 4. sprays the terms such as the perforation primary dilution device of dilution device 6. of dilution device pipe arrangement 5., but is not precluded from using other
The possibility of term.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；They are explained
The limitation additional into any one is all disagreed with spirit of the present invention.
Claims (8)
- A kind of 1. air pollutants dilution tunnel sampler, it is characterised in that including be sequentially connected primary dilution device (6), Perforation dilution device (5), injection dilution device weldment (3), secondary dilution device weldment (2) and current divider weldment (1)；The injection dilution device pipe arrangement (4) is arranged in injection dilution device weldment (3).
- A kind of 2. air pollutants dilution tunnel sampler according to claim 1, it is characterised in that primary dilution device (6) it is provided with least one primary dilution gas pipeline for being passed through dry gas.
- A kind of 3. air pollutants dilution tunnel sampler according to claim 1, it is characterised in that primary dilution device (6) internal is a primary dilution pipeline, and pipeline one end is used to access measured gas, the other end and injection dilution device pipe arrangement (4) connect.
- A kind of 4. air pollutants dilution tunnel sampler according to claim 1, it is characterised in that secondary dilution device It is a bucket shape cavity that weldment (2) is internal, and bucket shape cavity one end connects with a rectangular enclosure, the other end and injection dilution dress Put pipe arrangement (4) connection.
- A kind of 5. air pollutants dilution tunnel sampler according to claim 1, it is characterised in that secondary dilution device Weldment (2) is provided with a secondary dilution gas pipeline for being passed through dry gas, and pipeline connects with injection dilution device pipe arrangement (4) It is logical.
- A kind of 6. air pollutants dilution tunnel sampler according to claim 1, it is characterised in that secondary dilution device The measurement mouth for being respectively used to measure pressure and temperature, measurement mouth and secondary dilution device weldment (2) are additionally provided with weldment (2) Connects with the internal cavities.
- A kind of 7. air pollutants dilution tunnel sampler according to claim 1, it is characterised in that injection dilution device Weldment (3) is provided with the measurement mouth for measurement temperature, and measurement mouth inside injection dilution device weldment (3) with connecting.
- A kind of 8. air pollutants dilution tunnel sampler according to claim 1, it is characterised in that primary dilution device (6) the measurement pipeline for being respectively used to measure pressure and temperature is additionally provided with, measurement pipeline inside primary dilution device (6) with connecting It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171368.4A CN107727458A (en) | 2017-11-22 | 2017-11-22 | A kind of air pollutants dilution tunnel sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171368.4A CN107727458A (en) | 2017-11-22 | 2017-11-22 | A kind of air pollutants dilution tunnel sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727458A true CN107727458A (en) | 2018-02-23 |
Family
ID=61216642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711171368.4A Pending CN107727458A (en) | 2017-11-22 | 2017-11-22 | A kind of air pollutants dilution tunnel sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727458A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004504A (en) * | 2000-01-01 | 2001-01-12 | Horiba Ltd | Gas sampling device |
| CN1894573A (en) * | 2003-10-30 | 2007-01-10 | Avl北美公司 | Particulate deposit avoidance and probe positioning |
| CN201583431U (en) * | 2009-09-28 | 2010-09-15 | 清华大学煤燃烧工程研究中心 | High-temperature aerosol particle sampling gun |
| US20100313684A1 (en) * | 2008-10-02 | 2010-12-16 | Michael Arndt | Device for diluting a gas to be analyzed with a dilution gas |
| CN104792582A (en) * | 2015-05-05 | 2015-07-22 | 青岛精益信电子技术有限公司 | Pollution source fine particulate matter dilution sampling method and device |
-
2017
- 2017-11-22 CN CN201711171368.4A patent/CN107727458A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004504A (en) * | 2000-01-01 | 2001-01-12 | Horiba Ltd | Gas sampling device |
| CN1894573A (en) * | 2003-10-30 | 2007-01-10 | Avl北美公司 | Particulate deposit avoidance and probe positioning |
| US20100313684A1 (en) * | 2008-10-02 | 2010-12-16 | Michael Arndt | Device for diluting a gas to be analyzed with a dilution gas |
| CN201583431U (en) * | 2009-09-28 | 2010-09-15 | 清华大学煤燃烧工程研究中心 | High-temperature aerosol particle sampling gun |
| CN104792582A (en) * | 2015-05-05 | 2015-07-22 | 青岛精益信电子技术有限公司 | Pollution source fine particulate matter dilution sampling method and device |
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Application publication date: 20180223 |