焼結反応に及ぼす吸引ガス中の酸素,水蒸気の影響

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書誌事項

タイトル別名
  • Influence of Oxygen and Humidity of Inlet Gas on the Sintering Reaction
  • ショウケツ ハンノウ ニ オヨボス キュウイン ガスチュウ ノ サンソ スイジ

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抄録

The influence of oxygen and humidity of inlet gas on the sintering reaction was studied through mathematical model analysis. Then, the change of oxygen and humidity of inlet gas was investigated for the effects on the sintering time, product yield of sinter, heat wave in sintering bed and other parameters in all of the sintering pot tests.<BR>The flame front speed, the maximum temperature in the sintering bed and product yield of sinter decreased with decrease in oxygen content of the inlet gas.<BR>When the moisture content of the inlet gas was increased, the maximum temperature in the sintering bed decreased because it took time for moisture to evaporate. Moreover, the flame front speed decreased because of an increase in the gas flow resistance of the moisture condensation zone in the sintering bed.<BR>If the decrease of oxygen content and increase of moisture content of the inlet gas are combined, the adverse effect on the product yield of sinter becomes greater due to a drop in the heat level as a result of the decrease of maximum temperature in the sintering bed. In such case, the increase of the temperature of the inlet gas can be expected to improve this adverse effect.

収録刊行物

  • 鉄と鋼

    鉄と鋼 83 (5), 293-298, 1997

    一般社団法人 日本鉄鋼協会

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