CN107917861A - The detection method of pellet PM10 in room air - Google Patents
The detection method of pellet PM10 in room air Download PDFInfo
- Publication number
- CN107917861A CN107917861A CN201711205763.XA CN201711205763A CN107917861A CN 107917861 A CN107917861 A CN 107917861A CN 201711205763 A CN201711205763 A CN 201711205763A CN 107917861 A CN107917861 A CN 107917861A
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- CN
- China
- Prior art keywords
- scattering
- air
- pellet
- detection
- standard
- Prior art date
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000008188 pellet Substances 0.000 title claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 15
- 238000002356 laser light scattering Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000005202 decontamination Methods 0.000 claims abstract description 4
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 4
- 238000000746 purification Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 239000010419 fine particle Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000013618 particulate matter Substances 0.000 abstract description 4
- 238000000149 argon plasma sintering Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G01N15/075—
Abstract
It is insufficient existing for existing technology in order to overcome, the present invention discloses the detection method of pellet PM10 in room air a kind of, the present invention includes A. and prepares standard laser detection pipe and standard scattering detection pipe, and standard laser detection pipe and standard scattering detection pipe are equipped with the intersection region detected with the air duct connected respectively；The intersection region of laser light scattering light and lasing light emitter incident ray is arranged in the intersection region detected；The incident ray of two lasing light emitters is respectively perpendicular and parallel row in laser light scattering section；B. environmental gas is gathered；C. the PM10 concentration in environmental gas is detected；D. dry decontamination residual air；Heated using lumen, circulation canal is discharged to using cutter purification air；E. residual air is recycled；What the method for the present invention utilized is that particulate matter light scattering characteristic is unfolded in surrounding air.Detection scattering light intensity can with so that detection particle concentration.
Description
Technical field
The present invention relates to the detection field device of PM10 a kind of, especially a kind of intensity for detecting scattering light can with so that
Detect the detection method of pellet PM10 in the room air of the concentration of particle.
Background technology
It is exactly filter membrane method to detect the most classical method of pellet, only needs an inhalable particles in the above method
Thing cutting head, a pump and film frame and its filter membrane, after gathering hour sample, remove filter membrane and weigh, it may be necessary to
The multiple samples of parallel acquisition, are re-weighed after constant temperature and humidity.There are the unbalanced defect of material change on filter membrane for this method.
The content of the invention
Insufficient existing for existing technology in order to overcome, the present invention provides pellet PM10 in a kind of room air
Detection method, what detection method this method of pellet PM10 utilized in the room air is particle in surrounding air
Object light scattering properties is unfolded.Detection scattering light intensity can with so that detection particle concentration.
The technical solution adopted by the present invention to solve the technical problems is：The present invention comprises the following steps, and A. prepares standard
Laser detection pipe and standard scattering detection pipe, standard laser detection pipe and standard scatter the detection pipe air duct with connecting respectively
Equipped with the intersection region detected；The intersection region of laser light scattering light and lasing light emitter incident ray is arranged on the zone of intersection detected
In domain；The incident ray of two lasing light emitters is respectively perpendicular and parallel row in laser light scattering section；B. environmental gas is gathered；C. ring is detected
PM10 concentration in the gas of border；D. dry decontamination residual air；Heated using lumen, it is logical to be discharged to circulation using cutter purification air
Road；E. residual air is recycled.
At one preferably or alternatively in embodiment, step B by fine particle collector specifically, collect to be detected
Environmental gas, and environmental gas is heated and/or diluted according to air conditions.
At one preferably or alternatively in embodiment, in step B specifically, the PM10 in isolating environment gas, passes through
PM10 screening installations separate, and particulate matter of the diameter more than 2.5 microns is removed, and diameter is less than and is sieved equal to 10 microns by PM10
Optional equipment.
At one preferably or alternatively in embodiment, in step C, detect the PM10 scattering strengths in environmental gas and change
For PM10 concentration, specially using signal processor, PM10 scattering strengths are converted into PM10 concentration.
At one preferably or alternatively in embodiment, in E steps, specifically, residual air body is discharged from circulation canal.
The invention has the advantages that this method utilize be in surrounding air particulate matter light scattering characteristic be unfolded.Detection
Scatter light intensity can with so that detection particle concentration.
Embodiment
In embodiment 1, the present invention includes A. preparation standard laser detection pipes and standard scattering detection pipe, standard laser inspection
Test tube and standard scattering detection pipe are equipped with the intersection region detected with the air duct connected respectively；Laser light scattering light and swash
The intersection region of light source incidence light is arranged in the intersection region detected；The incident ray of two lasing light emitters is respectively perpendicular and parallel
Row is in laser light scattering section；B. environmental gas is gathered；C. the PM10 concentration in environmental gas is detected；D. dry decontamination residual air；Profit
Heated with lumen, circulation canal is discharged to using cutter purification air；E. residual air is recycled；Step B is specifically, by thin
Particulate Filter collects environmental gas to be detected, and according to air conditions environmental gas is heated and/or dilute
Release；In step B specifically, the PM10 in isolating environment gas, is separated by PM10 screening installations, and diameter is more than 2.5 microns
Particulate matter is removed, and diameter is less than and equal to 10 microns by PM10 screening installations；In step C, detect in environmental gas
PM10 scattering strengths are simultaneously converted to PM10 concentration, and specially using signal processor, it is dense that PM10 scattering strengths are converted to PM10
Degree；In E steps, specifically, residual air body is discharged from circulation canal.
Any technical solution disclosed in the invention described above unless otherwise stated, if it discloses number range, then
Disclosed number range is preferable number range, it is any it should be appreciated by those skilled in the art：Preferable number range
The only obvious or representative numerical value of technique effect in many enforceable numerical value., can not since numerical value is more
Exhaustion, so the present invention just technical solution of the open component values to illustrate the present invention, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection domain should be formed.
Claims (5)
1. the detection method of pellet PM10 in a kind of room air, it is characterized in that：Comprise the following steps, A. prepares mark
Quasi- laser detection pipe and standard scattering detection pipe, standard laser detection pipe and standard scattering detection pipe are led to the air connected respectively
Road is equipped with the intersection region detected；The intersection region of laser light scattering light and lasing light emitter incident ray is arranged on the intersection detected
In region；The incident ray of two lasing light emitters is respectively perpendicular and parallel row in laser light scattering section；B. environmental gas is gathered；C. detect
PM10 concentration in environmental gas；D. dry decontamination residual air；Heated using lumen, circulation is discharged to using cutter purification air
Passage；E. residual air is recycled.
2. the detection method of pellet PM10 in a kind of room air according to claim 1, it is characterized in that：B
Step by fine particle collector specifically, collect environmental gas to be detected, and according to air conditions to environment gas
Body is heated and/or diluted.
3. the detection method of pellet PM10 in a kind of room air according to claim 1, it is characterized in that：B
In step specifically, the PM10 in isolating environment gas, is separated by PM10 screening installations, and diameter is more than 2.5 microns of particle
Thing is removed, and diameter is less than and equal to 10 microns by PM10 screening installations.
4. the detection method of pellet PM10 in a kind of room air according to claim 1, it is characterized in that：C
In step, detect the PM10 scattering strengths in environmental gas and be converted to PM10 concentration, will specially using signal processor
PM10 scattering strengths are converted to PM10 concentration.
5. the detection method of pellet PM10 in a kind of room air according to claim 1, it is characterized in that：E
In step, specifically, residual air body is discharged from circulation canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205763.XA CN107917861A (en) | 2017-11-27 | 2017-11-27 | The detection method of pellet PM10 in room air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205763.XA CN107917861A (en) | 2017-11-27 | 2017-11-27 | The detection method of pellet PM10 in room air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917861A true CN107917861A (en) | 2018-04-17 |
Family
ID=61896989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711205763.XA Withdrawn CN107917861A (en) | 2017-11-27 | 2017-11-27 | The detection method of pellet PM10 in room air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917861A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954403A (en) * | 2004-03-18 | 2007-04-25 | 艾克塞利斯技术公司 | In-situ monitoring on a spinning-disk ion implanter |
| CN201955289U (en) * | 2010-12-16 | 2011-08-31 | 武汉市天虹仪表有限责任公司 | Laser scattering dust measuring instrument |
| CN102818756A (en) * | 2012-08-03 | 2012-12-12 | 中国科学技术大学 | Method and device for determination of PM2.5 particles based on laser energy trap method |
| CN103698153A (en) * | 2012-09-27 | 2014-04-02 | 南京中迅微传感技术有限公司 | Aerosol particle sampling and detecting method and device based on energy trap method |
| CN104422640A (en) * | 2013-09-06 | 2015-03-18 | 重庆大学 | Laser-scattering-based air quality detecting system |
| CN105092441A (en) * | 2014-05-14 | 2015-11-25 | 苏州元泰自动化科技有限公司 | Fine particle matter measuring device and measuring method |
| CN105092442A (en) * | 2014-05-14 | 2015-11-25 | 苏州元泰自动化科技有限公司 | Fine particle measuring device and measuring method |
| CN105572005A (en) * | 2015-12-24 | 2016-05-11 | 浙江省计量科学研究院 | Light-scattering-method-based PM2.5 monitor calibration method and device |
-
2017
- 2017-11-27 CN CN201711205763.XA patent/CN107917861A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954403A (en) * | 2004-03-18 | 2007-04-25 | 艾克塞利斯技术公司 | In-situ monitoring on a spinning-disk ion implanter |
| CN201955289U (en) * | 2010-12-16 | 2011-08-31 | 武汉市天虹仪表有限责任公司 | Laser scattering dust measuring instrument |
| CN102818756A (en) * | 2012-08-03 | 2012-12-12 | 中国科学技术大学 | Method and device for determination of PM2.5 particles based on laser energy trap method |
| CN103698153A (en) * | 2012-09-27 | 2014-04-02 | 南京中迅微传感技术有限公司 | Aerosol particle sampling and detecting method and device based on energy trap method |
| CN104422640A (en) * | 2013-09-06 | 2015-03-18 | 重庆大学 | Laser-scattering-based air quality detecting system |
| CN105092441A (en) * | 2014-05-14 | 2015-11-25 | 苏州元泰自动化科技有限公司 | Fine particle matter measuring device and measuring method |
| CN105092442A (en) * | 2014-05-14 | 2015-11-25 | 苏州元泰自动化科技有限公司 | Fine particle measuring device and measuring method |
| CN105572005A (en) * | 2015-12-24 | 2016-05-11 | 浙江省计量科学研究院 | Light-scattering-method-based PM2.5 monitor calibration method and device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180417 |
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| WW01 | Invention patent application withdrawn after publication |