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Detection and analysis system for laser induced blasting and laser heating decomposition products

A laser heating and laser induction technology, applied in thermal excitation analysis, material excitation analysis, material analysis through optical means, etc., can solve the problem that decomposed gas products cannot quickly and conveniently obtain component concentrations, diffusion coefficients and diffusion conditions and other issues, to achieve the effect of increasing the characteristics of assembly and wide application

Active Publication Date: 2019-05-31
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0004] The present invention mainly aims at the problem that the decomposed gaseous products cannot be quickly and conveniently obtained in the research of the current coal industry and energetic materials, and proposes a laser-induced blasting and laser heating decomposition method. Product detection and analysis system

Method used

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  • Detection and analysis system for laser induced blasting and laser heating decomposition products
  • Detection and analysis system for laser induced blasting and laser heating decomposition products
  • Detection and analysis system for laser induced blasting and laser heating decomposition products

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Embodiment

[0061] Such as figure 1 As shown, a real-time analysis system for laser-induced blasting and infrared laser heating decomposition products, including: multifunctional sample chamber 1, electric three-dimensional translation sample stage 2, vacuum flange detection chamber 3, gas sensor array 4, converging lens 5, Cage half mirror group 6, fiber optics collection module 7, LIBS breakdown gas module 8, laser window 9, gas pressure gauge 10, vacuum valve 11, vacuum tube 12, infrared continuous laser 13, nanosecond pulse laser 14, Molecular pump 15, multi-stage wide spectrum acquisition spectrometer 16, delay trigger 17, program control and data processing display system 18.

[0062] The connection relationship is: the top of the multifunctional sample chamber 1 (in this embodiment, its volume is 300mm×300mm×400mm) is equipped with a laser window 9, the converging lens 5 is located directly above the laser window 9, and the sample is placed on the electric three-dimensional transla...

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Abstract

The invention discloses a detection and analysis system for laser induced blasting and laser heating decomposition products and belongs to the technical field of gas detection. According to the detection and analysis system, a gas sensor module array and an LIBS breakdown gas module array are adopted to perform comparative detection; during a process in which a sample generates a gas product underan explosion or high-temperature condition, the concentration detection, diffusion rate detection, and time-resolution diffusion condition detection of the gas product are combined together. A vacuumflange is adopted as a component; the research of the gas product under high vacuum can be can realized; the assembly characteristic of an experimental device is enhanced, and the experimental devicecan be improved according to specific experimental requirements; and therefore, the application range of the system is wider. With the system of the invention adopted, the diffusion speed and diffusion condition of the gas product can be can directly analyzed, and the actual needs of various industries including explosion research can be better satisfied.

Description

technical field [0001] The invention belongs to the technical field of gas detection, and relates to a highly integrated dynamic, real-time, and time-resolving device for gas products produced by samples under laser-induced blasting and laser heating, and combines two methods of electrochemistry and spectroscopy High-precision detection and analysis system. Background technique [0002] At present, the research on the diffusion of gas products after the reaction is an important research direction in many industries. In particular, the dynamic detection, diffusion analysis and fuel performance analysis of gas decomposition products of energetic materials are of great significance in today's explosion science research. Through the study of the composition, concentration and diffusion of gas products of energetic materials, the performance of explosives can be accurately predicted, which has important guiding significance for explosion science. [0003] Researchers have a lon...

Claims

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Application Information

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IPC IPC(8): G01N21/71G01N21/01
Inventor 刘瑞斌卢天琪王宪双
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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