A method for monitoring lung-penetrable particulate matter in atmospheric environment of highway engineering

A technology that enters the lung particles and the atmospheric environment, and is applied in particle suspension analysis, measurement devices, suspension and porous material analysis, etc.

Active Publication Date: 2021-02-05
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a monitoring method for particulate matter (PM2.5) in the atmospheric environment of highway engineering, which is used to solve the monitoring of PM2.5 in the atmospheric environment of linear engineering

Method used

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  • A method for monitoring lung-penetrable particulate matter in atmospheric environment of highway engineering

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Experimental program
Comparison scheme
Effect test

Embodiment

[0018] Embodiment: a kind of highway engineering atmospheric environment PM2.5 monitoring method is as follows,

[0019] ① Close the first exhaust channel 12, the second exhaust channel 13, the first air inlet 14, the second air inlet 15, the first air outlet 10 and the second air outlet 11.

[0020] ② Turn on the data acquisition system and power supply system.

[0021] ③ Open the first gas collection port 16 and the second gas collection port 18, so that the gas enters the gas distribution channel 19 through the second gas collection port 18, and the gas distribution channel 19 is centrifuged to sieve the gas after removing PM2.5 to the particle retainer 20. Sieve the PM2.5 gas to the air supply channel 17, and send it to the dust equipment chassis 1 through the first gas collection port 16; the scattering plate 4 disperses the PM2.5 gas, and the light-emitting element 5 emits light to cause light scattering of the PM2.5 gas , through the receiving board 3, the concentratio...

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Abstract

A method for monitoring particulate matter in the atmospheric environment of highway engineering, characterized in that a monitoring device for particulate matter (PM2.5) in the atmospheric environment of highway engineering is used to monitor PM2.5 in the atmospheric environment of highway engineering, and the device includes a dust equipment chassis (1), a light receiving element (2), receiving plate (3), scattering plate (4), light emitting element (5), first exhaust pipeline (6), second exhaust pipeline (7), first fan motor (8), The second fan motor (9), the first exhaust port (10), the second exhaust port (11), the first exhaust channel (12), the second exhaust channel (13), the first air inlet ( 14), the second air inlet (15), the first gas collection port (16), the air supply channel (17), the second gas collection port (18), the gas distribution channel (19), and the particle retainer (20). The method can measure the PM2.5 concentration independently, and can also measure the PM2.5 concentration in a vehicle-mounted mobile type.

Description

technical field [0001] The invention relates to the fields of engineering construction and atmospheric environment protection, especially the field of highway engineering, and in particular to a monitoring method for particulate matter (PM2.5) in the atmospheric environment of highway engineering. Background technique [0002] The construction of expressways will inevitably have direct or indirect impacts on the environment to a certain extent, especially it will change the continuity and integrity of the existing natural environment and destroy the ecological balance of natural environmental protection. By installing various atmospheric environment monitoring probes and systems during the project construction process, the environmental pollution caused by project construction can be effectively supervised. But for linear projects like highway projects or railway projects, which are hundreds of meters away and obviously cover the entire line of atmospheric environment monito...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/06
CPCG01N15/06G01N2015/0693
Inventor 李志清周应新
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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