Low-temperature gas spectral measurement device and use method thereof

A spectral measurement and low temperature technology, applied in the direction of measuring device, color/spectral characteristic measurement, spraying device, etc., can solve the problem of no testing device

Pending Publication Date: 2021-12-21
RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is no test device that meets the above spectral measurement work. Combining the needs of spectral measurement at the current stage and the characteristics and requirements of the existing spectral measurement feeding and receiving system, it is necessary to design a set of measurements that can be applied to the spectral measurement of low-temperature mixed gases. device, and meet the connection requirements of the corresponding feeding and receiving system, providing physical space and mechanical devices for the spectral analysis of mixed gases

Method used

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  • Low-temperature gas spectral measurement device and use method thereof
  • Low-temperature gas spectral measurement device and use method thereof
  • Low-temperature gas spectral measurement device and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A low-temperature mixed gas spectrum measurement device, including a rectangular parallelepiped tank body 1 providing physical space for low-temperature mixed gas spectrum measurement, and a gas inlet 2 for mixed gas introduction on the tank body 1, and a gas inlet 2 for mixed gas export The gas outlet 3, the incident light hole 4 for laser incidence and the exit light hole 5 for laser reception;

[0045] The gas inlet 2 and the gas outlet 3 are respectively arranged on the symmetrical two ends of the tank body 1, and the incident light hole 4 and the output light hole 5 are respectively arranged on the front and back sides of the tank body 1 Above, the entrance light hole 4 and the exit light hole 5 are equipped with flanges;

[0046] Specifically, the tank body 1 is welded by steel plates to provide the required physical space for spectral measurement, and its interior is blackened to avoid diffuse reflection from affecting spectral measurement;

[0047] Specifically...

Embodiment 2

[0054] This embodiment introduces its observation window on the basis of Embodiment 1.

[0055] The tank body 1 is also provided with an observation window 6 , and a borosilicate glass window 18 is hermetically installed on the outer side of the observation window 6 . The borosilicate glass window 18 is sealed and installed on the tank body 1 through the observation window gasket 19 and the observation window flange cover plate 20 .

[0056] Specifically, the viewing window 6 includes a front viewing window 6-1, a rear viewing window 6-2 and an upper viewing window 6-3, which are located on the front, rear and top surface of the tank body 1, respectively. The front observation window 6-1, the rear observation window 6-2 and the upper observation window 6-3 are all elongated through holes, and borosilicate glass windows 18 are installed on their outer sides, and the borosilicate glass windows 18 The observation window gasket 19 and the observation window flange cover plate 20 ...

Embodiment 3

[0058] This embodiment introduces its screw plate 23 on the basis of Embodiment 1.

[0059] The screw plate base 22 is eight fixed blocks made of rectangular parallelepiped stainless steel, four fixed blocks form a group, and are divided into two groups and welded symmetrically on the inner bottom surface of the tank body 1, and each group of fixed blocks is installed with one The screw plate 23; the top of the fixed block is processed with threaded holes, the four corners of the screw plate 23 are provided with strip holes 23-1, and the bolts pass through the strip holes 23-1 and the top of the fixed block The threaded holes cooperate to install the screw plate 23 on the fixing block; the four elongated holes 23-1 on the screw plate 23 can adjust the installation position of the screw plate 23 back and forth to meet the installation position requirements of the reflector.

[0060] The screw hole plate 23 is a rectangular steel plate with uniformly distributed threaded holes p...

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Abstract

The invention discloses a low-temperature gas spectral measurement device which comprises a tank body for providing a physical space for low-temperature mixed gas, and a gas inlet, a gas outlet, an incident light hole and an emergent light hole which are formed in the tank body, the outer side of the gas inlet is connected with a feeding pipeline of the feeding and receiving system, the inner side of the gas inlet is connected with a low-temperature nozzle used for forming low-temperature mixed gas, and the inner wall of the low-temperature nozzle is a curve with the middle shrunk. The outer side of the gas outlet is connected with a material receiving pipeline of the feeding and receiving system; zinc selenide window sheets are installed on the outer side of the incident light hole and the outer side of the emergent light hole in a sealed mode. According to the device, a tank body which provides a physical space for low-temperature mixed gas spectral measurement is taken as a device main body, and a closed vacuum space condition can be provided for spectral measurement of working medium gas, so that the characteristics of gas molecules are determined and laser parameters are debugged.

Description

technical field [0001] The invention relates to the technical field of spectroscopic measurement machinery design, in particular to a low-temperature mixed gas spectroscopic measurement device and its use method. Background technique [0002] For some specific mixed working gases, it is necessary to use laser to perform spectral analysis on the components of gas molecules under low temperature conditions to determine the characteristics of gas molecules and adjust the parameters of the laser, so related spectral measurement work is required. [0003] At present, there is no test device that meets the above spectral measurement work. Combining the needs of spectral measurement at the current stage and the characteristics and requirements of the existing spectral measurement feeding and receiving system, it is necessary to design a set of measurements that can be applied to the spectral measurement of low-temperature mixed gases. The device meets the connection requirements of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/39G01N21/01G01N21/03B05B1/00B05B1/34
CPCG01N21/39G01N21/01G01N21/03B05B1/005B05B1/34G01N2021/391G01N2021/0193G01N2021/0389
Inventor 樊旭冉波刘巍吴文娟苏新军
Owner RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
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