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KR940015502A - Molten steel component analysis method - Google Patents

Molten steel component analysis method Download PDF

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Publication number
KR940015502A
KR940015502A KR1019920026508A KR920026508A KR940015502A KR 940015502 A KR940015502 A KR 940015502A KR 1019920026508 A KR1019920026508 A KR 1019920026508A KR 920026508 A KR920026508 A KR 920026508A KR 940015502 A KR940015502 A KR 940015502A
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KR
South Korea
Prior art keywords
molten steel
laser
steel component
light
component analysis
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Application number
KR1019920026508A
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Korean (ko)
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KR960003195B1 (en
Inventor
신용태
Original Assignee
박득표
포항종합제철 주식회사
백덕현
재단법인 산업과학기술연구소
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Priority to KR1019920026508A priority Critical patent/KR960003195B1/en
Publication of KR940015502A publication Critical patent/KR940015502A/en
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Publication of KR960003195B1 publication Critical patent/KR960003195B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/392—Measuring reradiation, e.g. fluorescence, backscatter
    • G01N2021/393—Measuring reradiation, e.g. fluorescence, backscatter and using a spectral variation of the interaction of the laser beam and the sample

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

용강의 표면에 레이저광을 조사하여 방출된 광을 중첩 다격자 스펙트로그래프에서 분광시키는 것으로 용강속에 함유되어 각 원소를 정량 분석 할때, 레이저 발진기에서 출력되는 레이저광의 에너지가 1J이상이 되도록 하여 시료에 레이저광을 조사하고 광신호를 샘플링할때 레이저 빛을 측정하여 동기신호를 사용하므로 정확한 샘플링이 되게하고 시료표면으로 부터 방출되는 광신호를 수광장치에서 수광하여 광섬유로 보내고 중첩 다격자 스펙트로그래프의 3개의 격자에서 광신호를 각각 분광시켜 광검출기에서 넓은 영역의 스펙트럼을 분석하는 것으로 용강 성분을 정량 분석한다.The laser beam is irradiated onto the surface of the molten steel to spectroscopy in a superimposed multi-lattice spectrograph. When quantitatively analyzing each element contained in the molten steel, the energy of the laser beam output from the laser oscillator is 1J or more. When irradiating the laser light and sampling the optical signal, the laser light is measured and the synchronization signal is used to ensure accurate sampling.The optical signal emitted from the sample surface is received by the light receiving device and sent to the optical fiber. Spectral analysis of the molten steel components is performed by spectroscopic analysis of the optical signals in the four gratings and analysis of a broad spectrum in the photodetector.

Description

용강 성분 분석 방법Molten steel component analysis method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 용강 성분 분석 방법에 대한 흐름도, 제2도는 본 발명의 용강 성분 분석 방법에 대한 실시예의 블록 구성도.1 is a flow chart of the molten steel component analysis method of the present invention, Figure 2 is a block diagram of an embodiment of the molten steel component analysis method of the present invention.

Claims (3)

용강의 표면에 레이저광을 조사하여 방출되는 광을 분광시키는 것으로 용강속에 함유된 각원소를 정략 분석하는 성분 분석 방법에 있어서, 레이저 발진기에서 출력되는 1J 이상의 레이저광 에너지를 시편에 조사하여 방출되는 광신호를 수광장치로 수광하고, 수광장치에 수광된 광신호를 광섬유 케이블을 통하여 중첩다격자 스펙트로 그래프로 전송하여 상기 스펙트로 그래프의 3개의 격자에서 각각 광신호를 분광시킨후 광검출기에서 넓은 영역의 스펙트럼을 분석하는 것을 특징으로 하는 용강 성분 분석 방법.In the component analysis method which spectroscopically analyzes the elements emitted in the molten steel by irradiating the surface of the molten steel with laser light, the light emitted by irradiating the specimen with 1J or more laser light energy output from the laser oscillator The signal is received by the light receiving device, and the optical signal received by the light receiving device is transmitted to the superimposed multi-lattice spectrograph through the optical fiber cable, and the optical signals are spectroscopically analyzed in the three gratings of the spectrograph. Molten steel component analysis method, characterized in that for analyzing. 제1항에 있어서, 상기 레이저 발진기에서 출력되는 광의 강도를 광다이오드로 관측하여 레이저 에너지를 측정하고, 레이저 에너지기 평균출력의 95% 이내인 경우에만 용강의 성분을 분석하는 것을 특징으로 하는 용강 성분 분석 방법.The molten steel component according to claim 1, wherein the intensity of light output from the laser oscillator is observed by using a photodiode to measure laser energy, and the molten steel component is analyzed only when the laser energy is within 95% of the average output of the laser energy generator. Analytical Method. 제2항에 있어서, 상기 광다이오드에서 관측된 레이저에너지 및 동기신호를 시간지연 및 게이트 장치에 전달한 후 1800 나노초 이후에 광검출기의 게이트를 열어4200 나노초동안 광신호 측정하는 것을 특징으로 하는 용강 성분 분석방법.The molten steel component analysis according to claim 2, wherein after the laser energy and the synchronization signal observed from the photodiode are transmitted to the time delay and the gate device, an optical signal is measured for 4200 nanoseconds by opening the gate of the photodetector after 1800 nanoseconds. Way. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920026508A 1992-12-30 1992-12-30 Molten steel component analysis method KR960003195B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920026508A KR960003195B1 (en) 1992-12-30 1992-12-30 Molten steel component analysis method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920026508A KR960003195B1 (en) 1992-12-30 1992-12-30 Molten steel component analysis method

Publications (2)

Publication Number Publication Date
KR940015502A true KR940015502A (en) 1994-07-21
KR960003195B1 KR960003195B1 (en) 1996-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920026508A KR960003195B1 (en) 1992-12-30 1992-12-30 Molten steel component analysis method

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KR960003195B1 (en) 1996-03-06

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