Test system and test method for measuring deposition of entrained liquid drops and aerosol

By designing a test system for entrained droplets and aerosol deposition, the problem of difficult measurement of the size distribution and amount of entrained droplets on the liquid level is solved, and accurate multi-parameter measurement is achieved, which is suitable for experiments in different working conditions and water washing forms.

CN120467978APending Publication Date: 2025-08-12CHINA NUCLEAR POWER ENGINEERING CO LTD
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Patent Information

Application Number
CN202510519475.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-08-12

AI Technical Summary

Technical Problem

It is difficult to accurately measure the deposition of entrained liquid droplets and aerosols in the prior art, especially during the washing process, the size distribution and amount of entrained liquid droplets on the liquid level are difficult to measure, and the existing equipment cannot be suitable for measurements containing radioactive aerosols.

Method used

A test system for measuring the deposition of entrained liquid droplets and aerosols is designed, including carrier gas generation pipelines, aerosol distribution pipelines, mixing pipelines, entrained liquid droplet generation and aerosol washing device, entrained liquid droplet size measurement device and entrained liquid droplet and aerosol filtration device. Through the mixing of carrier gas and aerosols, filtration and filtration retention, multi-parameter measurement of entrained liquid droplets and aerosols is achieved.

Benefits of technology

It realizes accurate measurement of the mass and size distribution of entrained liquid droplets, aerosol washing and filtration efficiency and deposition amount under different experimental conditions. The device is conveniently designed and has good airtightness and reliable data acquisition.

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Abstract

The invention discloses a test system and a test method for measuring entrained liquid drop and aerosol deposition. The test system comprises a carrier gas generation pipeline, an aerosol distribution pipeline, a mixing pipeline, an entrained liquid drop generation and aerosol washing device, an entrained liquid drop size measurement device and an entrained liquid drop and aerosol filtering device, the carrier gas generation pipeline and the aerosol distribution pipeline are both connected with the mixing pipeline, the carrier gas generation pipeline provides carrier gas with different pressures and flows, the aerosol distribution pipeline provides water-insoluble aerosol with different concentrations, and the carrier gas and the aerosol are uniformly mixed in the mixing pipeline; the mixed pipeline is introduced into the entrained liquid drop generation and aerosol washing device, so that the carrier gas carrying the aerosol is washed and filtered to form entrained liquid drops in which the aerosol is deposited, and the entrained liquid drops enter the entrained liquid drop size measurement device for measuring the size distribution of the entrained liquid drops; and the liquid drops enter the entrained liquid drop and aerosol filtering device for aerosol and entrained liquid drop filtering retention.
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