CN103674796A - Multi-channel PM2.5 monitor calibration device - Google Patents
Multi-channel PM2.5 monitor calibration device Download PDFInfo
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- CN103674796A CN103674796A CN201310717219.9A CN201310717219A CN103674796A CN 103674796 A CN103674796 A CN 103674796A CN 201310717219 A CN201310717219 A CN 201310717219A CN 103674796 A CN103674796 A CN 103674796A
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- monitor
- particle diameter
- cutter
- spectrometer
- diameter spectrometer
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- 239000002245 particle Substances 0.000 claims abstract description 49
- 239000000443 aerosol Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010926 purge Methods 0.000 description 12
- 239000003570 air Substances 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The invention discloses a multi-channel PM2.5 monitor calibration device which is characterized by comprising an aerosol generator, a mixing box, a PM2.5 monitor, a front particle spectrometer, a PM2.5 cutter, a rear particle spectrometer and purifiers I and II, which are connected in a thread form through pipelines, wherein the aerosol generator is connected with the mixing box; the PM2.5 monitor is connected with the purifier I; the front particle spectrometer and the rear particle spectrometer are connected to the two sides of the PM2.5 cutter respectively; the front particle spectrometer is mounted at an upstream pipeline of the PM2.5 cutter; the rear particle spectrometer is mounted at a downstream pipeline of the PM2.5 cutter; the rear particle spectrometer is connected with the purifier II. The device is high in detection accuracy and efficiency and easy to popularize and use.
Description
Technical field
The present invention relates to a kind of for quick and precisely calibrating PM
2.5the hyperchannel PM of monitor
2.5monitor calibrating installation.
Background technology
PM
2.5refer to that in atmosphere, diameter is less than or equal to the particle of 2.5 microns, also referred to as entering lung particle, it forms main with artificially relevant.GB3095-2012 < < ambient air quality > > has increased PM
2.5monitoring index.Chinese Ministry of Environmental Protection requires from 2012 in key areas such as Beijing-Tianjin Ji, the Yangtze River Delta, Pearl River Deltas and municipality directly under the Central Government and provincial capital carry out PM
2.5monitoring, to all parts of the country in 2016, all to and evaluate surrounding air PM according to above-mentioned standard monitoring
2.5concentration.
At present, domestic PM
2.5monitor quality is uneven, cannot accurate evaluation surrounding air in PM
2.5content.For guaranteeing PM
2.5accurately and reliably, the U.S., Japan, European Union etc. have carried out detection method standardization and the research of metering traceability to Monitoring Data.The external single channel PM having set up
2.5monitor calibrating installation, at calibration PM
2.5during monitor, need to prepare multiple single size gasoloid, before being passed into calibrating installation, different size gasoloid must clean whole pipelines, process is loaded down with trivial details, calibration efficiency is low, and the long rate that exists that purges dead angle that causes of pipeline increases, cause having different size aerosol particle residual, affect calibration accuracy.
Summary of the invention
In order to address the above problem, the invention provides a kind of hyperchannel PM
2.5monitor calibrating installation, this device overall construction design is reasonable, has avoided existing calibration system need to repeat to purge the problem of whole pipelines, and precision and efficiency of detecting is high, and cost is lower, simple to operate, is easy to promote the use of.
In order to achieve the above object, technical scheme of the present invention is:
A kind of hyperchannel PM
2.5monitor calibrating installation, is characterized in that: comprise aerosol generator 1, blending bin 103,203,303,403,503,603,703,803, PM
2.5monitor 5, preposition particle diameter spectrometer 7, PM
2.5cutter 8, rearmounted particle diameter spectrometer 9 and clarifier I 6, II 10, connect with thread forms by pipeline between each several part; Aerosol generator 1 is connected with blending bin 103,203,303,403,503,603,703,803; PM
2.5monitor 5 is connected with clarifier I 6; PM
2.5cutter 8 both sides connect respectively preposition particle diameter spectrometer 7, rearmounted particle diameter spectrometer 9, and preposition particle diameter spectrometer 7 is installed on PM
2.5the upstream of cutter 8, rearmounted particle diameter spectrometer 9 is installed on PM
2.5the downstream pipeline of cutter 8; Rearmounted particle diameter spectrometer 9 is connected with clarifier II 10.
Described blending bin 103,203,303,403,503,603,703,803 is connected in parallel in pipeline.
Described PM
2.5monitor 5 place pipelines and preposition particle diameter spectrometer 7, PM
2.5cutter 8 and rearmounted particle diameter spectrometer 9 place pipelines are in parallel.
Owing to having adopted described technical scheme, the present invention has following superiority:
1, eight kinds of single size gasoloids enter detecting instrument by corresponding pipeline separately respectively, need to before passing into different size gasoloid, not purge whole pipelines, only need to purge public part, have improved calibration efficiency, have reduced error.
2, adopt system of the present invention can accurately measure PM
2.5aerocolloidal concentration, meets calibration PM
2.5the requirement of monitor, simple to operate, can the continuous working long period, be easy to detect industry in metering and apply.
Accompanying drawing explanation
Fig. 1 is a kind of hyperchannel PM of the present invention
2.5monitor calibrating installation schematic diagram; (10-first passage, 20-second channel, 30-third channel, 40-four-way, 50-Five-channel, 60-the 6th passage, 70-the 7th passage, 80-the 8th passage, 1-aerosol generator, 102,202,302,402,502,602,702,802-pure air entrance, 103,203,303,403,503,603,703,803-blending bin, 4-pure air entrance, 5-PM
2.5monitor, 6-clarifier I, the preposition particle diameter spectrometer of 7-, 8-PM
2.5cutter, the rearmounted particle diameter spectrometer of 9-, 10-clarifier II)
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Embodiment:
Fig. 1 shows an embodiment of calibration system of the present invention, has eight passages: first passage 10, second channel 20, third channel 30, four-way 40, Five-channel 50, the 6th passage 60, the 7th passage 70 and the 8th passage 80.
First passage 10 is prepared the aerosol particle of particle diameter 1.5 ± 0.25 μ m by aerosol generator 1, enter blending bin 103 and mix by 102 pure airs that enter blending bin 103, and the gasoloid of generation is diluted to 35 μ g/m
3, the gasoloid of dilution is shunted after entering public pipeline, and a part is passed through PM
2.5monitor 5, after instrument registration to be monitored is stable, per minute reading once, is read six groups of data, measures PM
2.5aerocolloidal mean concentration, another part is successively by preposition particle diameter spectrometer 7, PM2.5 cutter 8 and rearmounted particle diameter spectrometer 9, and after two particle diameter spectrometer registrations are stable, per minute reading once, is read six groups of data, measures PM
2.5aerocolloidal mean concentration; By relatively measuring concentration mean value twice, calibration PM
2.5monitor 5.Single size is measured complete, closes first passage 10, and air intake 4 passes into pure air and purges public pipeline, after clarifier 6 I, 10 II are filtered, discharges.
Second channel 20 is prepared the aerosol particle of particle diameter 2.0 ± 0.25 μ m by aerosol generator 1; By relatively measuring concentration value twice, calibration PM
2.5monitor 5.Single size is measured complete, purges public pipeline.
Third channel 30 is prepared the aerosol particle of particle diameter 2.2 ± 0.25 μ m by aerosol generator 1; By relatively measuring concentration value twice, calibration PM
2.5monitor 5.Single size is measured complete, purges public pipeline.
Four-way 40 is prepared the aerosol particle of particle diameter 2.5 ± 0.25 μ m by aerosol generator 1; By relatively measuring concentration value twice, calibration PM
2.5monitor 5.Single size is measured complete, purges public pipeline.
Five-channel 50 is prepared the aerosol particle of particle diameter 2.8 ± 0.25 μ m by aerosol generator 1; By relatively measuring concentration value twice, calibration PM
2.5monitor 5.Single size is measured complete, purges public pipeline.
The 6th passage 60 is prepared the aerosol particle of particle diameter 3.0 ± 0.25 μ m by aerosol generator 1; By relatively measuring concentration value twice, calibration PM
2.5monitor 5.Single size is measured complete, purges public pipeline.
The 7th passage 70 is prepared the aerosol particle of particle diameter 3.5 ± 0.25 μ m by aerosol generator 1; By relatively measuring concentration value twice, calibration PM
2.5monitor 5.Single size is measured complete, purges public pipeline.
The 8th passage 80 is prepared the aerosol particle of particle diameter 4.0 ± 0.25 μ m by aerosol generator 1; By relatively measuring concentration value twice, calibration PM
2.5monitor 5.Single size is measured complete, purges public pipeline.Close this device, arrange experimental data.
Claims (3)
1. a hyperchannel PM
2.5monitor calibrating installation, is characterized in that: comprise aerosol generator 1, blending bin 103,203,303,403,503,603,703,803, PM
2.5monitor 5, preposition particle diameter spectrometer 7, PM
2.5cutter 8, rearmounted particle diameter spectrometer 9 and clarifier I 6, II 10, connect with thread forms by pipeline between each several part; Aerosol generator 1 is connected with blending bin 103,203,303,403,503,603,703,803; PM
2.5monitor 5 is connected with clarifier I 6; PM
2.5cutter 8 both sides connect respectively preposition particle diameter spectrometer 7, rearmounted particle diameter spectrometer 9, and preposition particle diameter spectrometer 7 is installed on PM
2.5the upstream of cutter 8, rearmounted particle diameter spectrometer 9 is installed on PM
2.5the downstream pipeline of cutter 8; Rearmounted particle diameter spectrometer 9 is connected with clarifier II 10.
2. a kind of hyperchannel PM according to claim 1
2.5monitor calibrating installation, is characterized in that described blending bin 103,203,303,403,503,603,703,803 is connected in parallel in pipeline.
3. a kind of hyperchannel PM according to claim 1
2.5monitor calibrating installation, is characterized in that described PM
2.5monitor 5 place pipelines and preposition particle diameter spectrometer 7, PM
2.5cutter 8 and rearmounted particle diameter spectrometer 9 place pipelines are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717219.9A CN103674796B (en) | 2013-12-23 | 2013-12-23 | A kind of hyperchannel PM2.5 monitor calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717219.9A CN103674796B (en) | 2013-12-23 | 2013-12-23 | A kind of hyperchannel PM2.5 monitor calibrating installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103674796A true CN103674796A (en) | 2014-03-26 |
| CN103674796B CN103674796B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310717219.9A Expired - Fee Related CN103674796B (en) | 2013-12-23 | 2013-12-23 | A kind of hyperchannel PM2.5 monitor calibrating installation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020089A (en) * | 2014-06-05 | 2014-09-03 | 山东省计量科学研究院 | Method for calibrating PM2.5 (Particulate Matter2.5) monitor |
| CN104111216A (en) * | 2014-06-18 | 2014-10-22 | 瑞曼博(北京)环保科技有限公司 | PM10/PM2.5 cutting head and filter membrane calibration system |
| CN111982784A (en) * | 2020-08-28 | 2020-11-24 | 中国环境监测总站 | PM2.5 cutterbar characteristic calibrating device |
| CN114923828A (en) * | 2022-05-11 | 2022-08-19 | 北京市计量检测科学研究院 | Sampler collection efficiency evaluation device and method based on static box method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824109A (en) * | 2019-10-15 | 2020-02-21 | 同济大学 | Evaluation test method and test stand for dust holding performance of high-efficiency air filter material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030090656A1 (en) * | 2001-11-09 | 2003-05-15 | Hideyuki Ikeda | Particle diameter distribution measurement apparatus and method of calibration |
| CN102607895A (en) * | 2012-03-06 | 2012-07-25 | 深圳市华测检测技术股份有限公司 | Calibration system of particle cutter |
| CN203249846U (en) * | 2013-05-31 | 2013-10-23 | 北京环科环保技术公司 | PM2.5 monitor with environmental factor correction function |
-
2013
- 2013-12-23 CN CN201310717219.9A patent/CN103674796B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030090656A1 (en) * | 2001-11-09 | 2003-05-15 | Hideyuki Ikeda | Particle diameter distribution measurement apparatus and method of calibration |
| CN102607895A (en) * | 2012-03-06 | 2012-07-25 | 深圳市华测检测技术股份有限公司 | Calibration system of particle cutter |
| CN203249846U (en) * | 2013-05-31 | 2013-10-23 | 北京环科环保技术公司 | PM2.5 monitor with environmental factor correction function |
Non-Patent Citations (2)
| Title |
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| 杨复沫等: "多通道PM2.5化学物种采样器的研制与应用", 《过程工程学报》 * |
| 杨洪胜等: "多通道压力传感器自动校准系统研制", 《中国科技信息》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020089A (en) * | 2014-06-05 | 2014-09-03 | 山东省计量科学研究院 | Method for calibrating PM2.5 (Particulate Matter2.5) monitor |
| CN104111216A (en) * | 2014-06-18 | 2014-10-22 | 瑞曼博(北京)环保科技有限公司 | PM10/PM2.5 cutting head and filter membrane calibration system |
| CN111982784A (en) * | 2020-08-28 | 2020-11-24 | 中国环境监测总站 | PM2.5 cutterbar characteristic calibrating device |
| CN114923828A (en) * | 2022-05-11 | 2022-08-19 | 北京市计量检测科学研究院 | Sampler collection efficiency evaluation device and method based on static box method |
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| CN103674796B (en) | 2015-12-09 |
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Granted publication date: 20151209 Termination date: 20211223 |