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Aerosol generator

An aerosol generator and air inlet technology, which is used in scientific instruments, measuring devices, suspension and porous material analysis, etc., can solve problems such as complex structure, and achieve the effects of accurate leak detection, convenient operation and simple structure.

Inactive Publication Date: 2011-05-25
SUZHOU HUADA INSTR & EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Its disadvantage is that the structure is more complex

Method used

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Embodiment Construction

[0015] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the drawings. The directional terms mentioned in the following embodiments, such as: up, down, left, right, front or back, etc., are only directions referring to the attached drawings. Accordingly, the directional terms are used to illustrate and not to limit the invention.

[0016] Please refer to figure 1 , an aerosol generator according to an embodiment of the present invention includes a casing 10 and a liquid storage tank 6 inside the casing. The casing 10 is provided with a compressed air inlet 4 , a spray port 5 , a regulating valve 3 and a pressure regulating valve 1 . Several Laskin nozzles are arranged in the liquid storage tank 6 . The casing 10 encloses a first cavity 8 , and the first cavity 8 communicates with the compressed air inlet 4 . Several Laskin nozzle...

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Abstract

The invention relates to an aerosol generator, which comprises a shell, wherein the shell is provided with a compressed air inlet, a spray nozzle, an adjusting valve, a pressure adjusting valve and a liquid storage tank; and the liquid storage tank comprises a plurality of Laskin nozzles. A first cavity is communicated with the compressed air inlet. The adjusting valve is communicated with the compressed air inlet. A second cavity is formed in the liquid storage tank through a baffle plate, and the second cavity is connected with the spray nozzle. The plurality of Laskin nozzles are accommodated in the liquid storage tank; and the nozzles are communicated with the first cavity through a plurality of conduits. The whole generator has simple structure, is convenient to operate, and has more accurate effects on detection of filter materials and finished product filters and leakage detection of filters.

Description

【Technical field】 [0001] The invention relates to an aerosol generator, in particular to an aerosol generator used for generating filter material, a filter leak detection gas source and particle detection instrument calibration. 【Background technique】 [0002] At present, the detection of domestic filter materials, finished filters and filter leak detection mostly use the atmosphere as the dust source. Uncertainty in filter efficiency test results and non-repeatability of experiments. Moreover, the composition of the atmosphere in various places is different, resulting in poor final results, which greatly hinders the development of filters in our country. In the air filter efficiency test, in order to reduce the error in the air filter efficiency test, it is very necessary to replace the atmospheric dust with the artificial sol with a determined particle size distribution as the test dust source. [0003] In the efficiency test of the air filter, artificial aerosol is used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B7/00G01N15/08
Inventor 孙民王树立
Owner SUZHOU HUADA INSTR & EQUIP
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