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An aerosol particle collection device

An aerosol particle and collection device technology, applied in the direction of measuring device, sampling device, sampling, etc., can solve the problems of general dilution effect of aerosol particle dilution device, difficulty in satisfying the function of real-time multi-particle size aerosol monitoring, etc., to meet the requirements of High-precision measurement requirements, convenient mass production, and high collection efficiency

Active Publication Date: 2018-09-14
南京瑞菲科机电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] This application provides an aerosol particle collection device, which solves the problem that the existing technology can only realize the collection of aerosols with one particle size, and the gas filter membrane needs to be replaced frequently to ensure high cutting accuracy, which is difficult to meet the requirements of real-time multi-particle size aerosols. Monitoring function, general dilution effect of domestic aerosol particle dilution devices, etc.

Method used

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  • An aerosol particle collection device
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Examples

Experimental program
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Embodiment 1

[0028] like figure 1 and figure 2 As shown, an aerosol particle collection device, an aerosol particle size cutting head 1 includes a gas inlet channel 4, a cutting chamber and a motor transmission device, the cutting chamber is composed of two layers of concentric cylindrical metal frames 8 inside and outside and a filter chamber, and the inside and outside The two layers of concentric cylindrical metal frame 8 are respectively equipped with magnetic blocks 9 to realize the linkage between the inner and outer layers. The collecting surface of the inner and outer two layers of concentric cylindrical metal frame 8 is made of aluminum foil with a thickness of 35 microns, and a set of filter is installed in the cutting chamber. The filter chambers are PM10.0 filter chamber 12, PM5.0 filter chamber 13, PM2.5 filter chamber 14, PM1.0 filter chamber 15 from the top to the bottom of the filter chamber, and the diameter of the filter chamber decreases from top to bottom. The cavity ...

Embodiment 2

[0032] like figure 1 and figure 2 As shown, an aerosol particle collection device, an aerosol particle size cutting head 1 includes a gas inlet channel 4, a cutting chamber and a motor transmission device, the cutting chamber is composed of two layers of concentric cylindrical metal frames 8 inside and outside and a filter chamber, and the inside and outside The two layers of concentric cylindrical metal frame 8 are respectively equipped with magnetic blocks 9 to realize the linkage between the inner and outer layers. The collecting surface of the inner and outer two layers of concentric cylindrical metal frame 8 is made of aluminum foil with a thickness of 35 microns, and a set of filter is installed in the cutting chamber. The filter chambers are PM10.0 filter chamber 12, PM5.0 filter chamber 13, PM2.5 filter chamber 14, PM1.0 filter chamber 15 from the top to the bottom of the filter chamber, and the diameter of the filter chamber decreases from top to bottom. The cavity ...

Embodiment 3

[0036] like figure 1 and figure 2 As shown, an aerosol particle collection device, an aerosol particle size cutting head 1 includes a gas inlet channel 4, a cutting chamber and a motor transmission device, the cutting chamber is composed of two layers of concentric cylindrical metal frames 8 inside and outside and a filter chamber, and the inside and outside The two layers of concentric cylindrical metal frame 8 are respectively equipped with magnetic blocks 9 to realize the linkage between the inner and outer layers. The collecting surface of the inner and outer two layers of concentric cylindrical metal frame 8 is made of aluminum foil with a thickness of 35 microns, and a set of filter is installed in the cutting chamber. The filter chambers are PM10.0 filter chamber 12, PM5.0 filter chamber 13, PM2.5 filter chamber 14, PM1.0 filter chamber 15 from the top to the bottom of the filter chamber, and the diameter of the filter chamber decreases from top to bottom. The cavity ...

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Abstract

The present application provides an aerosol particle collection device. The device comprises an aerosol particle size cutting head and an aerosol particle dilution apparatus. The aerosol particle size cutting head is composed of a gas inlet passage, a cutting chamber and a motor driving apparatus. The aerosol particle dilution apparatus is composed of a gas mass flow-rate control unit and a dilution cavity. The device is high in aerosol particle collection efficiency, low in maintenance and usage cost, strong in environment adaptability, and convenient in mass production. Therefore, the device meets the high-precision measurement requirements in the aerosol particle measurement field and is high in commercial value.

Description

technical field [0001] The application belongs to the technical field of atmospheric environment, and in particular relates to an aerosol particle collection device. Background technique [0002] Atmospheric aerosol particles--refers to a stable mixed system composed of solid particles and liquid particles uniformly dispersed in the atmosphere, and the particles are collectively referred to as aerosol particles. Generally, in atmospheric science research, aerosols are commonly used to refer to atmospheric particulate matter. [0003] Aerosol is a suspension system of liquid or solid particles in the air. They can serve as condensation nuclei of water droplets and ice crystals (see atmospheric condensation nuclei, atmospheric ice nuclei), absorbers and scatterers of solar radiation, and participate in various chemical cycles, and are an important part of the atmosphere. Fog, smoke, haze, mist (haze), fine dust and smog are all atmospheric aerosols caused by natural or man-m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/24G01N1/38
CPCG01N1/2273G01N1/24G01N1/38
Inventor 张加宏沈雷顾芳冒晓莉
Owner 南京瑞菲科机电科技有限公司
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