Equations for Determining the Optimum Number of Tuyeres of Blast Furnace

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  • 高炉の適正な羽口本数の算定式
  • 高炉の適正な羽口本数の算定式--Leonidovの式への提言
  • コウロ ノ テキセイ ナ ハグチ ホンスウ ノ サンテイシキ Leonidov
  • Leonidovの式への提言

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Abstract

On the consideration about the optimum number of tuyeres of blast furnace, the race way depth in comparison with the hearth diameter is noted.<BR>As the measure of active race way depth in general, “the active race way dimension rate” (η) is adapted to the analysis of relations between practical data.<BR>In the cases of good operation results of blast furnaces, the values are in the range from 0.45 to 0.50. Therefore, the equations for determining the optimum number of tuyeres are derived by taking η=0.47.<BR>By taking the generalized combined blast condition into consideration, the constant term in LEONIDOV'S formula is analyzed to get a more optimum answer. Also, the validity of this equation is proved by the data from the blast furnace in operation.

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 65 (14), 2005-2011, 1979

    The Iron and Steel Institute of Japan

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