Aerosol particle matter size-based collection device and method
An aerosol particle and collection device technology, which is applied in sampling devices, analysis materials, instruments, etc., can solve the problems of high energy consumption, inability to guarantee work efficiency, and inability to popularize industrial applications in the electrostatic collection method, so as to improve the accuracy of experiments, Ensuring accuracy and saving energy
Active Publication Date: 2021-04-16
NANJING UNIV OF INFORMATION SCI & TECH
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The invention relates to the technical field of particulate matter collection, and discloses an aerosol particulate matter sub-size collection device and method, the aerosol particulate matter sub-size collection device comprises an air inlet pipe, a dryer, an ionization device, an air pump and an electrostatic field device which are connected in sequence;the ionization device comprises a box body; an ionization area for ionizing aerosol and a particle screening area for screening charged particles and uncharged particles in the aerosol are sequentially arranged in the box body, and the air pump is used for accelerating the charged particles, so that the charged particles can enter the deep part of an electrostatic field in the electrostatic field device; in the electrostatic field device, the charged particles can be distributed in the electrostatic field according to the particle mass and height through the electrostatic field, then the particles are collected through the collecting device, the particles in the air can be screened through the collecting device, and the detection efficiency of substance components of the particles in the air can be improved.
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