レーザーラマン分光法による高炉内コークスの熱履歴推定法

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タイトル別名
  • Method for Estimating Exposured Temperature of Coke by Laser Raman Spectrometry
  • レーザー ラマン ブンコウホウ ニ ヨル コウロナイ コークス ノ ネツ リレ

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説明

The method for estimating exposured temperature of coke by laser Raman spectrometry with multi-channel detector has been developed. <BR>The procedure is as follows.<BR>1) The Raman spectra of coke (1 3001 650 cm-1) are measured by a multi-channel laser Raman spectrometer. <BR>2) The spectra are analyzed by lorentzian fitting continuously and the intensity ratio of peaks (R-value, I. 1 360 cm -1 / I. 1 580 cm-1) is calculated automatically.<BR>3) The histogram of R-values is drawn up. <BR>The advantage of this method compared with the powder X-ray diffraction method, which has been used until now, is as follows. <BR>1) The sample preparation, for example, crushing, de-ashing and forming, is not needed. <BR>2) The measuring time (3 min) is much shorter than that of the previous method (3040 min). <BR>3) The estimating the temperature of each particle can be measured although the avarage estimating temperature of particles was measured by previous method. <BR>This method makes it possible for the first time to estimate the exposured temperature of coke in details, for example, estimating the exposured temperature distribution of every coke particle in a certain range.

収録刊行物

  • 鉄と鋼

    鉄と鋼 76 (1), 34-41, 1990

    一般社団法人 日本鉄鋼協会

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