Aerosol drying equipment

An aerosol and gas transmission tube technology, applied in steam/steam condenser, separation method, dispersed particle separation, etc., can solve the problems of particle mass concentration level influence, sample air humidity control and other problems, and achieve stable and reliable dehumidification performance, Effect of reducing inaccuracy and uncertainty and ensuring airtightness

Inactive Publication Date: 2009-03-11
PEKING UNIV
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AI Technical Summary

Problems solved by technology

However, even this method cannot control the humidity of the sample air at a precise, constant level, and fluctuations in humidity can still have an impact on the mass concentration level of particulate matter

Method used

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Experimental program
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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 As shown, the present invention includes a condenser 1, a refrigerator 2 and a peristaltic pump 3, and several pipelines 4 form a circulation loop between the condenser 1, the refrigerator 2 and the peristaltic pump 3. The condenser 1 includes a vertically arranged sampling gas transmission pipe 11 , and a condenser pipe 12 is sheathed outside the sampling gas transmission pipe 11 , and an annular gap is left between the sampling gas transmission pipe 11 and the condensation pipe 12 . The upper and lower ends of the condensation pipe 12 are respectively provided with an upper joint 13 and a lower joint 14, and the upper and lower joints 13, 14 seal the annular gap between the sampling gas transmission pipe 11 and the condensation pipe 12, and fix the two as one. A condensed water outlet hole 15 is axially arranged on one side...

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Abstract

The invention relates to an aerosol moisture removal device. The device is characterized by comprising a condenser, a congealer and a wriggle pump, and a circulating loop is formed by a plurality of pipelines; the condenser comprises a sampling gas transport tube which is arranged vertically, a condensation tube is cased outside the sampling gas transport tube, a ring-shaped clearance is left between the sampling gas transport tube and the condensation tube; the upper and lower linkers which seals the ring-shaped clearance are respectively arranged at the upper and lower ends of the condensation tube, and both are fixed as one body; one side of the upper and lower linkers is respectively provided with a water outlet pore and a water inlet pore in the axial direction; the outlet of the lower end of the transport tube is connected with one end of a double-directional linker, the other end of the double-directional linker is connected with the sampling gas heating part of the existing air particle automatic monitor; a sealed washer is arranged in the double-directional linker at the upper part of the heating part, and a condensed gas collection tube in interference fit with the sealed washer is vertically arranged in the double-directional linker; and a condensed water discharging outlet is arranged in radical direction at the side of the double-directional linker over the sealer washer. The aerosol moisture removal device is applicable to research in laboratories and environmental protection automatic monitoring stations all over China.

Description

technical field [0001] The invention relates to an aerosol dehumidification device, in particular to an aerosol dehumidification device used for aerosol collection and analysis monitoring instruments. Background technique [0002] The ambient atmosphere that people live on is actually an aerosol system formed by various solid or liquid particles uniformly dispersed in the air. Aerosols in the atmosphere can not only directly affect the solar radiation reaching the ground and participate in the heterogeneous chemical reactions of other components in the atmosphere, but also act as condensation nuclei for clouds and indirectly affect the atmospheric environment. When particulate matter in the atmosphere enters the human body through the respiratory tract, it will directly endanger human health. The particle size distribution of aerosols in the atmosphere is wide, and the chemical composition, physical characteristics and sources of particles in different particle size ranges ...

Claims

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Application Information

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IPC IPC(8): B01D53/26F28B1/00B01L11/00B01L99/00
Inventor 曾立民刘巧铃
Owner PEKING UNIV
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