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A sprayer and aerosol particle filter detection device

An aerosol particle and sprayer technology, which is applied in spraying devices, liquid spraying devices, etc., can solve problems such as difficulty in outputting aerosol particles, difficulty in adjusting the average particle size, and large geometric standard deviation of particle size.

Active Publication Date: 2021-07-06
QINGDAO ZHONGRUI INTELLIGENT INSTR
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Problems solved by technology

Most of the existing air-flow sprayers can only complete the function of dispersing the liquid into small droplets, and the aerosol particles of all particle sizes produced by it are all output. It is difficult to adjust the average particle size and the geometric standard deviation of the particle size is large. It is difficult to output aerosol particles with stable average particle size and small particle size deviation
When the air-flow sprayer is applied to the detection of the bacterial filtration efficiency of the mask, the error of the detection result is relatively large

Method used

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  • A sprayer and aerosol particle filter detection device
  • A sprayer and aerosol particle filter detection device
  • A sprayer and aerosol particle filter detection device

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Embodiment Construction

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0043] It should be noted that, in the description of the present invention, terms such as "inner", "outer" and other indicated directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, rather than Nothing to indicate or imply that a devi...

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Abstract

The invention discloses a nebulizer and an aerosol particle filter detection device. The nebulizer comprises a casing spray assembly and a locking part, a cavity is formed in the casing, an aerosol particle outlet is provided at one end of the casing, and the spray assembly includes a spray head, The gas supply pipeline and the liquid supply pipeline are detachably connected to the spray head and the casing, and the locking part locks the spray head and the casing. An aerosol particle generating cavity opposite to the aerosol particle outlet is formed in the spray head. The gas jet and the liquid jet in the aerosol particle generation chamber interact to form aerosol particles, the aerosol particles within the set particle size range are ejected through the aerosol particle outlet, and the aerosol particles outside the set particle size range fall into the air. cavity. The aerosol particles output by the nebulizer are stable and have small particle size deviation, which is helpful to improve the detection result of the aerosol particle filter detection device. The shell and spray assembly are detachable structures, which are convenient for processing and disassembly.

Description

technical field [0001] The invention relates to the technical field of particle filtration detection, in particular to a nebulizer and an aerosol particle filtration detection device. Background technique [0002] The air-flow sprayer uses high-speed airflow to disperse the liquid into small droplets, with various structures. Most of the existing air-flow sprayers can only complete the function of dispersing the liquid into small droplets, and the aerosol particles of all particle sizes produced by it are all output. It is difficult to adjust the average particle size and the geometric standard deviation of the particle size is large. It is difficult to output aerosol particles with stable average particle diameter and small particle diameter deviation. When the air-flow sprayer is applied to the detection of the bacterial filtration efficiency of the mask, the error of the detection result is relatively large. [0003] During flu season or virus outbreaks, such as the new...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B7/14B05B12/08B05B15/00
CPCB05B7/1431B05B7/1481B05B12/082B05B15/00
Inventor 吴兆良王飞王川经易雅谊朱帅
Owner QINGDAO ZHONGRUI INTELLIGENT INSTR
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