CN109238932B - Method for monitoring particles capable of entering lung in atmospheric environment of highway engineering - Google Patents
Method for monitoring particles capable of entering lung in atmospheric environment of highway engineering Download PDFInfo
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- CN109238932B CN109238932B CN201811105157.5A CN201811105157A CN109238932B CN 109238932 B CN109238932 B CN 109238932B CN 201811105157 A CN201811105157 A CN 201811105157A CN 109238932 B CN109238932 B CN 109238932B
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- 239000002245 particle Substances 0.000 title claims abstract description 27
- 210000004072 lung Anatomy 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 18
- 230000014759 maintenance of location Effects 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 238000012806 monitoring device Methods 0.000 claims abstract description 5
- 239000013618 particulate matter Substances 0.000 claims abstract description 4
- 238000012216 screening Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 230000002685 pulmonary effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- 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
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- G01N15/075—
Abstract
A highway engineering atmospheric environment accessible lung particulate matter monitoring method is characterized in that a highway engineering atmospheric environment PM2.5 monitoring device is adopted to monitor highway engineering atmospheric environment PM2.5, and the device comprises a dust equipment case (1), a light receiving element (2), a receiving plate (3), a scattering plate (4), a light emitting element (5), a first exhaust pipeline (6), a second exhaust pipeline (7), a first fan motor (8), a second fan motor (9), a first exhaust port (10), a second exhaust port (11), a first exhaust channel (12), a second exhaust channel (13), a first air inlet (14), a second air inlet (15), a first air collecting port (16), an air feeding common channel (17), a second air collecting port (18), an air distribution channel (19) and a particle retention device (20). The method can independently measure the concentration of PM2.5, and can also measure the concentration of vehicle-mounted movable PM 2.5.
Description
Technical Field
The invention relates to the field of engineering construction and atmospheric environment protection, in particular to the field of highway engineering, and specifically relates to a method for monitoring pulmonary particulate matters (PM 2.5) which can enter the atmospheric environment of highway engineering.
Background
The construction of the highway inevitably has direct or indirect influence on the environment to a certain extent, and particularly changes the continuity and the integrity of the existing natural environment and destroys the ecological balance of the natural environment protection. By installing various atmospheric environment monitoring probes and systems in the engineering construction process, the pollution of the engineering construction to the environment can be effectively monitored. However, for linear projects such as highway projects or railway projects, the linear projects are hundreds of meters away, obviously, the atmospheric environment monitoring points are covered in a full line, the manufacturing cost is high, the maintenance cost is very expensive, a set of vehicle-mounted mobile device can be developed, and an atmospheric environment PM2.5 monitoring device for engineering construction is configured, so that mobile environment monitoring can be performed according to the degree and the requirement of environmental pollution, and the cost of atmospheric environment monitoring is greatly reduced.
The invention relates to a method for monitoring particles capable of entering the lung in the atmospheric environment of highway engineering.
Disclosure of Invention
The invention aims to provide a method for monitoring particulate matters (PM 2.5) capable of entering the lung in the atmospheric environment of highway engineering, which is used for monitoring the PM2.5 in the atmospheric environment of linear engineering.
The invention provides a technical solution, which is characterized in that a pulmonary particulate matter monitoring device is adopted to monitor the atmosphere environment PM2.5 of highway engineering, the device comprises a dust equipment case 1, a light receiving element 2, a receiving plate 3, a scattering plate 4, a light emitting element 5, a first exhaust pipeline 6, a second exhaust pipeline 7, a first fan motor 8, a second fan motor 9, a first exhaust port 10, a second exhaust port 11, a first exhaust channel 12, a second exhaust channel 13, a first air inlet 14, a second air inlet 15, a first air inlet 16, an air feeding common channel 17, a second air inlet 18, an air distribution channel 19, a particle retention device 20, a data acquisition and storage system and a power supply system, wherein the power supply system adopts an electric solar cell panel or a storage battery, the particle retention device 20 can be manually disassembled and is used for cleaning a container, and the second exhaust pipeline 7 has an automatic filtering function. The dust equipment case 1 is connected with a first air inlet 14, a second air inlet 15, a first air inlet 16, a light receiving element 2 and a light emitting element 5, the air inlet 16 is connected with a scattering plate 3, the light receiving element 2 is connected with the scattering plate 3, the air in the dust equipment case 1 is discharged through a first exhaust channel 12 and a second exhaust channel 13, the first exhaust channel 12 is connected with a first exhaust pipeline 6, a first fan motor 8 is installed in the first exhaust pipeline 6, the first exhaust pipeline 6 is connected with a first exhaust port 10, the second exhaust channel 13 is connected with a second exhaust pipeline 7, a second fan motor 9 is installed in the second exhaust pipeline 7, the second exhaust pipeline 7 is connected with a second exhaust port 11, the second exhaust port 11 is connected with the first air inlet 14 and the second air inlet 15, the first air inlet 16 is connected with an air feeding common channel 17, the air feeding common channel 17 is connected with a gas distribution channel 19, the gas distribution channel 19 is respectively connected with a second air inlet 18 and a particle retention device 20, the particle retention vessel 20 can be disassembled manually for easy cleaning.
A method for monitoring particulate matters capable of entering into the lung in the atmospheric environment of highway engineering comprises the following steps:
(1) the first exhaust passage 12, the second exhaust passage 13, the first intake port 14, the second intake port 15, the first exhaust port 10, and the second exhaust port 11 are closed.
(2) And opening the data acquisition system and the power supply system.
(3) Opening a first gas collecting port 16 and a second gas collecting port 18 to enable gas to enter a gas separating channel 19 through the second gas collecting port 18, centrifugally separating the gas separating channel 19, screening the gas with PM2.5 removed to a particle retention device 20, screening the PM2.5 gas to a gas feeding same channel 17, and feeding the gas to the dust equipment cabinet 1 through the first gas collecting port 16; the diffusion plate 4 disperses the PM2.5 gas, the light emitting element 5 emits light to make the PM2.5 gas generate light diffusion, the light receiving element 2 receives the concentration information of the light diffusion gas through the receiving plate 3, and the data are transmitted to the data acquisition and storage system.
(4) After data acquisition is finished, the first air collecting port 16 and the second air collecting port 18 are closed, the second exhaust channel 13 is opened, the first air inlet 14 and the second air inlet 15 are formed, PM2.5 gas enters the second exhaust channel 13 and passes through the second fan motor 9 to be automatically filtered by the second exhaust pipeline 7, the cleaned gas enters the first air inlet 14 and the second air inlet 15 through the second exhaust port 11, the first exhaust channel 12 is opened, and the PM2.5 gas in the dust equipment case 1 is discharged through the first fan motor 8 and the first exhaust port 10.
(5) After 3 cycles of the process, the PM2.5 gas in the dust equipment cabinet 1 is automatically cleaned.
(6) The first exhaust passage 12, the second exhaust passage 13, the first intake port 14, the second intake port 15, the first exhaust port 10 and the second exhaust port 11 are closed, and the first gas collection port 16 and the second gas collection port 18 are opened, so that the PM2.5 gas concentration measurement can be performed again.
The invention has the advantages that:
the method is simple to operate, has high measurement precision, and meets the self-cleaning function of the equipment under the condition of PM2.5 heavy pollution. The PM2.5 concentration can be independently measured, and the PM2.5 concentration can also be measured in a vehicle-mounted mobile manner.
The application range of the invention is as follows:
the method is suitable for various engineering constructions such as civil engineering, highway engineering, railway engineering and the like, PM2.5 pollution caused by construction is avoided, and PM2.5 concentration change is monitored in real time.
Description of the drawings:
fig. 1 is a schematic view of an accessible pulmonary particle monitoring device used in a highway engineering atmospheric environment accessible pulmonary particle monitoring method. Among them are: the dust equipment comprises a dust equipment case 1, a light receiving element 2, a receiving plate 3, a scattering plate 4, a light emitting element 5, a first exhaust pipeline 6, a second exhaust pipeline 7, a first fan motor 8, a second fan motor 9, a first exhaust port 10, a second exhaust port 11, a first exhaust channel 12, a second exhaust channel 13, a first air inlet 14, a second air inlet 15, a first air collecting port 16, an air supply common channel 17, a second air collecting port 18, an air distribution channel 19 and a particle retention device 20.
The specific implementation mode is as follows:
example (b): a method for monitoring PM2.5 in atmospheric environment of highway engineering comprises the following steps,
first, the first exhaust passage 12, the second exhaust passage 13, the first intake port 14, the second intake port 15, the first exhaust port 10, and the second exhaust port 11 are closed.
And opening the data acquisition system and the power supply system.
Opening the first gas collecting port 16 and the second gas collecting port 18 to enable gas to enter a gas separating channel 19 through the second gas collecting port 18, centrifugally separating the gas separating channel 19, screening the gas with PM2.5 removed to a particle retention device 20, screening the PM2.5 gas to a gas feeding same channel 17, and feeding the gas to the dust equipment cabinet 1 through the first gas collecting port 16; the scattering plate 4 disperses the PM2.5 gas, the light emitting element 5 emits light to make the PM2.5 gas generate light scattering, the light receiving element 2 receives the concentration information of the light scattering gas through the receiving plate 3, the data is transmitted to the data acquisition and storage system, and the data can be acquired and stored after the data is stable.
And fourthly, after data acquisition is finished, closing the first air collecting port 16 and the second air collecting port 18, opening the second exhaust channel 13, enabling the PM2.5 gas to enter the second exhaust channel 13, passing through the second fan motor 9, being automatically filtered by the second exhaust pipeline 7, enabling the cleaned gas to pass through the second exhaust port 11, enter the first air inlet 14 and the second air inlet 15, opening the first exhaust channel 12, and enabling the PM2.5 gas in the PM2.5 equipment case 1 to be exhausted through the first fan motor 8 and the first exhaust port 10.
After 3 cycles, the PM2.5 gas in the dust equipment cabinet 1 is automatically cleaned, and the dust equipment can stop when the monitoring data is stable.
Sixthly, the first exhaust channel 12, the second exhaust channel 13, the first air inlet 14, the second air inlet 15, the first exhaust port 10 and the second exhaust port 11 are closed, the first gas extraction port 16 and the second gas extraction port 18 are opened, and the PM2.5 gas concentration measurement can be carried out again.
Claims (1)
1. A highway engineering atmospheric environment accessible lung particulate matter monitoring method is characterized in that an accessible lung particulate matter monitoring device is adopted to monitor accessible lung particulate matters in a highway engineering atmospheric environment, the device comprises a dust equipment case (1), a light receiving element (2), a receiving plate (3), a scattering plate (4), a light emitting element (5), a first exhaust pipeline (6), a second exhaust pipeline (7), a first fan motor (8), a second fan motor (9), a first exhaust port (10), a second exhaust port (11), a first exhaust channel (12), a second exhaust channel (13), a first air inlet (14), a second air inlet (15), a first air collecting port (16), an air supply channel (17), a second air collecting port (18), an air distribution channel (19), a particle retention device (20), a data acquisition and storage system and a power supply system, the power supply system adopts a solar cell panel or a storage battery, the particle retention device (20) can be manually disassembled, the second exhaust pipeline (7) has an automatic filtering function, the dust equipment cabinet (1) is connected with the first air inlet (14), the second air inlet (15), the first air collecting port (16), the light receiving element (2) and the light emitting element (5), the air collecting port (16) is connected with the scattering plate (4), the light receiving element (2) is connected with the receiving plate (3), gas in the dust equipment cabinet (1) is discharged through the first exhaust channel (12) and the second exhaust channel (13), the first exhaust channel (12) is connected with the first exhaust pipeline (6), the first fan motor (8) is installed in the first exhaust pipeline (6), the first exhaust pipeline (6) is connected with the first exhaust port (10), the second exhaust channel (13) is connected with the second exhaust pipeline (7), the second fan motor (9) is installed in the second exhaust pipeline (7), the second exhaust pipeline (7) is connected with a second exhaust port (11), the second exhaust port (11) is connected with a first air inlet (14) and a second air inlet (15), the first air collecting port (16) is connected with an air feeding channel (17), the air feeding channel (17) is connected with an air distributing channel (19), the air distributing channel (19) is respectively connected with a second air collecting port (18) and a particle retention device (20), the air feeding channel (17) is a U-shaped channel, the air inlet end of the air feeding channel (17) is horizontally connected with the air distributing channel (19), and the air outlet end of the air feeding channel (17) is vertically connected with the first air collecting port (16); the method for monitoring the accessible lung particles in the atmospheric environment of the highway engineering by adopting the device comprises the following steps of closing a first exhaust channel (12), a second exhaust channel (13), a first air inlet (14), a second air inlet (15), a first exhaust port (10) and a second exhaust port (11), opening a data acquisition system and a power supply system, opening a first air collecting port (16) and a second air collecting port (18), enabling air to enter a gas distribution channel (19) through the second air collecting port (18), carrying out centrifugal separation on the gas distribution channel (19), screening the gas without the accessible lung particles to a particle retention device (20), screening the accessible lung particles to an air supply channel (17), delivering the accessible lung particles to a dust equipment case (1) through the first air collecting port (16), dispersing the accessible lung particles by a dispersion plate (4), and scattering the accessible lung particles after a light-emitting element (5) emits light, after the data acquisition is finished, a first gas collecting port (16) and a second gas collecting port (18) are closed, a second exhaust channel (13) is opened, a first gas inlet (14) and a second gas inlet (15) are formed, gas capable of entering lung particles enters the second exhaust channel (13), the gas passes through a second fan motor (9) and is automatically filtered by a second exhaust pipeline (7), the cleaned gas passes through a second exhaust port (11) and enters the first gas inlet (14) and the second gas inlet (15), a first exhaust channel (12) is opened, the gas capable of entering lung particles in the dust equipment cabinet (1) is exhausted by the first exhaust port (10) through the first fan motor (8), and the gas capable of entering lung particles in the dust equipment cabinet (1) is automatically cleaned after 3 times of reciprocating, closing the first exhaust channel (12), the second exhaust channel (13), the first air inlet (14), the second air inlet (15), the first exhaust port (10) and the second exhaust port (11), opening the first air collecting port (16) and the second air collecting port (18), and measuring the concentration of the gas capable of entering the lung particles again.
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| CN201811105157.5A CN109238932B (en) | 2018-09-21 | 2018-09-21 | Method for monitoring particles capable of entering lung in atmospheric environment of highway engineering |
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| CN109238932B true CN109238932B (en) | 2021-02-05 |
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| SE7905294L (en) * | 1979-06-15 | 1980-12-16 | Svenska Traeforskningsinst | STOFTMETNING |
| JP4980101B2 (en) * | 2007-03-08 | 2012-07-18 | 能美防災株式会社 | smoke detector |
| CN201917508U (en) * | 2010-12-16 | 2011-08-03 | 武汉市天虹仪表有限责任公司 | Scattering dust measurement instrument |
| CN102706780B (en) * | 2012-06-14 | 2014-01-08 | 江苏苏净集团有限公司 | Instrument for monitoring small particulate matters in air |
| CN202837149U (en) * | 2012-09-25 | 2013-03-27 | 北京绿林创新数码科技有限公司 | Multifunctional laser dust meter |
| CN102914491B (en) * | 2012-10-19 | 2015-09-09 | 东莞市汇海环保科技有限公司 | There is the collector of real time monitoring function |
| CN104655533A (en) * | 2013-11-18 | 2015-05-27 | 中山欧麦克仪器设备有限公司 | Two-channel automatic particulate monitoring device |
| 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 |
| CN104791147A (en) * | 2015-03-18 | 2015-07-22 | 上海交通大学 | Particulate matter removing device of marine heavy-duty diesel engine EGR system |
| CN204831979U (en) * | 2015-08-28 | 2015-12-02 | 中煤科工集团重庆研究院有限公司 | Binary channels atmosphere raise dust on -line monitoring equipment |
| CN105181546A (en) * | 2015-10-27 | 2015-12-23 | 扬中市南方矿用电器有限公司 | Mine-used dust concentration sensor having automatic cleaning function |
| CN205719878U (en) * | 2016-04-11 | 2016-11-23 | 宁波斯凯蒙物联网科技股份有限公司 | Portable multi-function laser dust gauge |
| CN206399778U (en) * | 2016-12-14 | 2017-08-11 | 北京市环境保护监测中心 | Light scattering method Atmospheric particulates detection device and its sheath gas gas circuit |
| CN206862835U (en) * | 2017-04-25 | 2018-01-09 | 淮南师范学院 | A kind of new sensor of dust concentration |
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