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A condensed monodisperse aerosol generating device

An aerosol generation, monodisperse technology, applied in the field of air purification, to achieve uniform condensation and condensation process, increase convenience, and save operating costs

Active Publication Date: 2019-10-29
CHINA INST FOR RADIATION PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this equipment has not been developed in China at present, so it is necessary to carry out related research and development work

Method used

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  • A condensed monodisperse aerosol generating device

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] Such as figure 1 Shown is a condensed monodisperse aerosol generating device of the present invention, which is arranged in a box and includes an atomizing generator 1 filled with sodium chloride solution, a cyclone separator 2, and two inertial separators 3 arranged side by side , silica gel drier 4, high temperature saturator 5 and reheat condenser 7. Among them, atomization generator 1, cyclone separator 2, two inertial separators 3 arranged side by side, and silica gel dryer 4 are connected sequentially; the bottom of silica gel dryer 4 is provided with two pipelines, one of which is the main pipeline through high temperature saturation. The device 5 communicates with the reheat condenser 7, and the other bypass line directly communicates with the reheat condenser 7. The lower end of the reheat condenser 7 i...

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Abstract

The invention relates to a coagulated type monodisperse aerosol generation device. The device comprises an atomization generator (1), separators, a silica gel drier (4), a high-temperature saturator (5) and a reheating condenser (7), wherein the atomization generator (1), the separators and the silica gel drier (4) sequentially communicate; the bottom of the silica gel drier (4) separately communicates with the high-temperature saturator (5) and the reheating condenser (7) through two pipelines; a gas inlet pipeline (11) is arranged on the atomization generator (1). According to the generation device disclosed by the invention, varied components are reasonably arranged, so that monodisperse aerosol and clearance paper dispersed aerosol, which meet the using requirements can be generated and are used for performance detection of a high efficiency filter, basic research for aerosol, inhalation toxicity research for the aerosol and evaluation and calibration of a detecting instrument for the aerosol.

Description

technical field [0001] The invention relates to aerosol research equipment in the field of air purification, in particular to a cohesive monodisperse aerosol generating device for performance testing of high-efficiency filters. Background technique [0002] The high-efficiency filter is one of the important purification equipment in the nuclear air purification system. According to the requirements of the US military standard MIL-STD-282, each high-efficiency filter should be tested with 0.3±0.03μm monodisperse DOP aerosol before leaving the factory. Filtration efficiency, the efficiency should not be lower than 99.97%. Evaporation and condensation method (that is, condensation method) is a commonly used method for generating monodisperse aerosols. This method is a physical method that evaporates or sublimates solids or liquids by heating them, and then suddenly cools them down to condense the vapors, thereby forming Monodisperse aerosol particles. The condensed monodisper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J13/00
Inventor 张渊沈大鹏李永国丘丹圭刘群史英霞候建荣乔太飞马英韩丽红张计荣张群高琳锋胡波
Owner CHINA INST FOR RADIATION PROTECTION