A gas detection device
A gas detection and solid technology, which is applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of short residence time and accurate analysis of difficult intermediate species, achieve simple operation, low light transmission performance, widen diversity and convenience Effect
Active Publication Date: 2020-09-15
INST OF MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology
[0003] However, due to the fast plasma discharge process, the residence time of the reaction intermediate species in the plasma reactor is short, and the existing gas detection instrument is difficult to accurately analyze the intermediate species. Online accurate analysis and precise capture
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[0022] 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.
[0023] 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.
[0024] figure 1 A schematic structural diagram of a gas dete...
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The embodiment of the invention relates to a gas detection device. The gas detection device is applied to online gas detection in which plasma reactors are coupled with in-situ infrared diffuse reflection. The gas detection device comprises an in-situ reaction pond (1), an infrared spectrometer (2) and the plasma reactors (3) arranged in the in-situ reaction pond (1). A crucible (4) containing a solid sample is further arranged in the in-situ reaction pond (1), and the crucible (4) is arranged between the two plasma reactors (3). A diffuse reflection window (5) is further arranged on the infrared spectrometer (2). The infrared spectrometer (2) is diffusely reflected on the solid sample in the crucible (4) through the diffuse reflection window (5) for gas detection. The gas detection devicefor plasma reactor-in-situ infrared diffuse reflection online analysis is used for online detecting the multi-phase surface reaction process under the plastic catalysis condition in real time, and reaction intermediate products are qualitatively and precisely captured.
Description
technical field [0001] Embodiments of the present invention relate to gas detection, and in particular to a gas detection device. Background technique [0002] In the field of plasma catalysis and heterogeneous combustion, plasma catalysis technology has the advantages of short start-up time, fast reaction heating rate, simple operation, and portable reactor, which are more and more favored by many scholars. At the same time, many scientists have conducted related research on the online detection of intermediate products in heterogeneous catalytic reactions. Chinese patent, authorized notification number CN105628810B, discloses a device and method for in-situ capture of intermediate products of heterogeneous catalytic reactions. The device combines gas chromatography-mass spectrometry to achieve surface under low pressure (≤1.0MPa) variable temperature conditions. Reaction experiments, real-time monitoring and tracking of reaction intermediates and reaction products in surf...
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IPC IPC(8): G01N21/3504
CPCG01N21/3504
Inventor 宾峰何浚珧康润宁魏小林
Owner INST OF MECHANICS CHINESE ACAD OF SCI