Gas detecting device
A gas detection, solid technology, applied in the direction of measuring devices, color/spectral characteristic measurement, material analysis through optical means, etc., can solve the problems of surface adsorption species, short residence time of intermediate products, etc., to achieve accurate and qualitative analysis, improve Research level, improve the effect of precise description
Inactive Publication Date: 2019-05-31
INST OF MECHANICS - CHINESE ACAD OF SCI
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[0003] However, due to the fast plasma discharge reaction process, the short residence time of surface adsorbed species and intermediate products, they cannot enter the terminal gas analyzer or chromatograph for online monitoring, so there is a lack of online accurate analysis of intermediate reaction species under plasma discharge synergistic catalytic conditions. and pinpoint
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[0023] 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 making creative efforts belong to the protection scope of the present invention.
[0024] In order to facilitate the understanding of the embodiments of the present invention, further explanations will be given below with specific embodiments in conjunction with the accompanying drawings, which are not intended to limit the embodiments of the present invention.
[0025] figure 1 A schematic structural diagram of a gas dete...
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Embodiments of the present invention relate to a gas detecting device for in-situ infrared transmission on-line gas detection of a plasma reactor. The device comprises an in-situ reaction cell (1), aninfrared spectrometer (2) and plasma reactors (3) arranged in the in-situ reaction cell (1). The in-situ reaction cell (1) is internally provided with a neck (4) holding a solid sample, the neck (4)is arranged between the two plasma reactors (3), and the infrared spectrometer (2) is internally provided with a transmission window (5); the infrared spectrometer (2) transmits the solid sample in the neck (4) through the transmission window (5) for gas detection to perform real-time and online detection of the multi-phase surface reaction process under plasma discharge conditions and qualitatively and accurately capture the plasma of the reaction intermediate product. The gas detecting device is a plasma reactor-in-situ infrared transmission on-line analysis gas detection device.
Description
technical field [0001] Embodiments of the present invention relate to the field of gas detection, and in particular to a gas detection device. Background technique [0002] Nowadays, in the field of industrial catalysis and multiphase combustion, plasma discharge and synergistic catalysis technology have attracted more and more attention due to the advantages of short system start-up response time, fast reaction heating rate, simple and portable operation, etc. At the same time, the gas-solid surface reaction has always been a hot spot and focus of research, and for the precise analysis and on-line detection and diagnosis of the multiphase surface reaction process, many scientists have carried out beneficial exploration and substantial progress, such as the development of in-situ infrared, in-situ Electron microscopy and other methods are used to capture the reaction intermediate species in the heterogeneous reaction process and study the gas-solid surface reaction mechanism...
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IPC IPC(8): G01N21/3504G01N21/25
Inventor 宾峰康润宁何浚珧魏小林
Owner INST OF MECHANICS - CHINESE ACAD OF SCI