An experimental device for studying the removal of atmospheric particulate matter by rain

By designing an aerosol generation system and a droplet generation system, the collection of aerosol particles by raindrops under different conditions was simulated, solving the problem of uncertain collection efficiency of aerosol particles in the accumulation mode in the existing technology, and realizing high-precision simulation and measurement of aerosol removal.

CN116878823BActive Publication Date: 2026-07-03GUILIN UNIVERSITY OF TECHNOLOGY
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Patent Information

Application Number
CN202310835125.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-10
Publication Date
2026-07-03
Estimated Expiration
2043-07-10

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Abstract

The application relates to the technical field of aerosol measurement, and discloses an experimental device for studying the removal of atmospheric particulates by rainfall, which comprises an aerosol generating system 1, a droplet collecting device 2, an aerosol chamber 3, a droplet falling chamber 4 and a droplet generating system 5; the aerosol chamber 3 is used for measuring aerosol parameters; the aerosol generating system 1 is used for generating monodisperse aerosol particles with different particle sizes for the aerosol chamber 3; the droplet collecting device 2 is used for collecting droplets after reaction with aerosols; the droplet falling chamber 4 is used for measuring free falling of droplets and droplet parameters; the droplet generating system 5 is connected above the droplet falling chamber 4 and is used for generating monodisperse charged droplets. The application can simulate the collection experiment of different size raindrops on different particle size sections of aerosols by adjusting different raindrop and aerosol parameters, the generated aerosols have higher monodispersity, and experimental errors are reduced.
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