Sample gas pipeline, made of glass material, of aerosol focusing gas circuit and manufacturing method of sample gas pipeline

A glass material and aerosol technology, used in manufacturing tools, flange connections, pipes/pipe joints/fittings, etc., can solve the problems of not easy to fit tightly, easily deformed, small wall thickness, etc., and achieve high-resolution 3D processing capabilities , The effect of small processing and residual stress and high processing accuracy

Active Publication Date: 2015-06-17
上海镭慎光电科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] ①The sample gas pipeline is slender, with small wall thickness and easy to deform
If there is a deviation in the position of the sample gas pipeline during assembly, it is difficult to ensure the coaxiality with the sheath flow tube;
[0013] ②T

Method used

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  • Sample gas pipeline, made of glass material, of aerosol focusing gas circuit and manufacturing method of sample gas pipeline
  • Sample gas pipeline, made of glass material, of aerosol focusing gas circuit and manufacturing method of sample gas pipeline
  • Sample gas pipeline, made of glass material, of aerosol focusing gas circuit and manufacturing method of sample gas pipeline

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Embodiment Construction

[0037] Below in conjunction with specific embodiment, further illustrate the present invention, but should not limit the protection scope of the present invention with this.

[0038] image 3 It is a schematic structural diagram of the sample gas pipeline of the aerosol focusing gas path of the present invention, which includes a sample gas pipeline body 1 of glass material, a connecting mounting flange 2 of metal material, an internal sealing O-ring 3 of the sample gas pipeline, a sheath gas pipeline 4, The sheath gas pipeline is installed with a sealing O-ring 5, a flange mounting screw 6, a pressure ring mounting screw 7 and a pressure ring 8.

[0039] The outer circle of the sample gas pipeline body 1 can be adopted according to the structural design and processing requirements. image 3 (a) Medium taper angle transition design, or image 3 (b) The stepwise increase transition scheme of the outer diameter in the middle section, transitioning from the smaller outer diamet...

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Abstract

The invention discloses a sample gas pipeline of an aerosol focusing gas circuit in a real-time single aerosol particle detection and analysis instrument. The pipeline comprises a sample gas pipeline body made of glass material and a connecting installing flange, the installing and positioning are realized through tolerance fitting, a clamping ring is fixedly installed, an O-shaped ring or a sealant is used for sealing, the external circle of the sample gas pipeline is processed through a conventional optical processing method, an internal gas circuit through hole is formed through femtosecond laser processing, and the aperture of the through hole can reach micron dimension. The sample gas pipeline is capable of meeting design, assembling-calibrating and processing technology requirements; the processing and residual stress are small; the coaxiality, verticality, sealing and other design and assembling-calibrating requirements are easy to meet; and a pollution status and a cleaning status of the sample gas pipeline can be conveniently checked.

Description

technical field [0001] The invention relates to a sample gas pipeline for aerosol particle focusing gas path in a single aerosol particle real-time detection and analysis instrument and a manufacturing method thereof. Background technique [0002] Aerosol refers to multiple mixed systems formed by solid or liquid particles dispersed and suspended in a gaseous medium. The particle or particle size is 0.001-100 μm. It is customary to call these particles aerosols. [0003] Aerosol particles have an important impact on many physical and chemical processes such as earth-atmosphere radiation balance, cloud formation to rain, water cycle, and visibility changes, as well as human health. The types and sources of atmospheric aerosol particles are multiphase and complex in composition. Researchers need to identify particles and their sources based on their physical, optical or chemical characteristics. Therefore, real-time, in situ aerosol particle detection and analysis technique...

Claims

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Application Information

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IPC IPC(8): G01N15/10F16L23/18B23K26/00
Inventor 赵永凯卜一川陈正岩廖洋张佩黄惠杰程亚
Owner 上海镭慎光电科技有限公司
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