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Measuring device and method for infrared spectral radiation characteristics of high-temperature particles

A technology of infrared spectrum and radiation characteristics, which is applied in the field of measuring devices for the infrared spectrum radiation characteristics of dispersed particles, and can solve the problems of inability to measure the radiation characteristics of particles in the natural state.

Inactive Publication Date: 2011-12-14
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problem that the existing technology cannot measure the radiation characteristics of natural state particles in the high-temperature continuous spectrum range, thereby providing a measuring device and method for measuring the radiation characteristics of high-temperature particles in the infrared spectrum

Method used

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  • Measuring device and method for infrared spectral radiation characteristics of high-temperature particles
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  • Measuring device and method for infrared spectral radiation characteristics of high-temperature particles

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specific Embodiment approach 1

[0059] Specific implementation mode 1. Combination figure 1 and figure 2 Illustrate this specific embodiment, the measuring device of infrared spectrum radiation characteristic of high temperature particle, it comprises blackbody radiation source 1, Fourier transform spectrometer 2, radiation thermometer 3, CCD camera 4 and high temperature heating and temperature control system;

[0060] The high-temperature heating and temperature control system includes a heating furnace and a temperature control unit, and the temperature control unit includes a temperature acquisition device 18 and a heater 19;

[0061] The heating furnace includes a preheating chamber and a measuring chamber. The preheating chamber includes a screening motor 15 and a screening device 16. The output shaft of the screening motor 15 is connected to the input shaft of the screening device 16;

[0062] The measurement room includes No. 1 ceramic liner 11, No. 2 ceramic liner 12, air insulation layer 13 and a...

specific Embodiment approach 2

[0070] Specific embodiment two, the difference between this specific embodiment and the measuring device of high-temperature particle infrared spectral radiation characteristics described in specific embodiment one is that it also includes a pair of auxiliary scattered light analysis channels 25, each auxiliary scattered light analysis channel 25 Through No. 1 ceramic liner 11, No. 2 ceramic liner 12, air insulation layer 13 and aluminum silicate wool insulation layer 14, the pair of auxiliary scattered light analysis channels 25 are located on the same level as the input channel 21 of the black body radiation source; The axes of the pair of auxiliary scattered light analysis channels 25 coincide and intersect with the axis of the No. 1 ceramic liner 11 .

[0071] This embodiment is used to add scattered light to the high-temperature particles, and then measure the radiation characteristics of the high-temperature particles under the condition of scattered light.

specific Embodiment approach 3

[0072] Specific embodiment three, the difference between this specific embodiment and the measuring device of infrared spectral radiation characteristics of high-temperature particles described in specific embodiment one is that it also includes a lifting device 27, and the lifting device 27 is used to drive the lower casing 20 to make Lifting movement.

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Abstract

The invention relates to a measuring device and method for infrared spectral radiation characteristics of high-temperature particles, relating to a measuring device and method for infrared spectral radiation characteristics of dispersed particles, which solves the problem that the prior art cannot measure the natural state particle radiation characteristics in the high-temperature continuous spectrum range. The invention adopts the environmental compensation algorithm, realizes the measurement of the spectral equivalent transmittance of high-temperature particles in the natural state, determines the applicability of the measurement of the radiation characteristics of high-temperature particles in the continuous spectrum range, and provides a basis for further inversion of the complex refractive index of high-temperature particles The research provides reliable experimental data and experimental devices, and the measurement uncertainty of the present invention is less than 2%. The invention can be widely used in the fields of chemical industry, metallurgy, power, construction, medicine, biology, food, aerospace, military affairs, atmospheric science and the like.

Description

technical field [0001] The invention relates to a measuring device and a measuring method for infrared spectral radiation characteristics of dispersed particles. Background technique [0002] Dispersed granular matter involves many fields such as chemical industry, metallurgy, power, construction, medicine, biology, food, aerospace, military and atmospheric science. According to statistics, more than 50% of the products and intermediate products in the industry are in the form of particles, and these particles participate in radiative heat transfer during the processes of heating, cooling, drying and heat exchange. Its typical applications include: combustion flames containing carbon black and fly ash, jets containing condensed metal oxide particles, solid rocket and missile tail jet flames, translucent photosensitive materials containing particles, infrared stealth coatings containing particles, semiconductor materials containing nanoparticles Wait. At the same time, in a...

Claims

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Application Information

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IPC IPC(8): G01J3/28
Inventor 谈和平戴景民齐宏张彪阮立明
Owner HARBIN INST OF TECH
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