水モデル実験によるＲＨ脱ガス装置のなべ内　混合

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タイトル別名
  • Mixing of Molten Steel in a Ladle with RH Reactor by the Water Model Experiment
  • ミズ モデル ジッケン ニヨル RH ダツ ガス ソウチ ノ ナベナイ コンゴ

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抄録

In order to recognize the mixing of molten steel in a ladle with RH reactor, the water model experiment was carried out.<br>The results are as follows:<br>(1) The circulation rate extremely depends on the methods of gas injection. Better result can be obtained when an up-leg has multi-nozzles and gas bubble reaches near the center of the up-leg.<br>(2) The flow coming out from a down-leg reaches the bottom of the ladle and goes up as if it creeps along the bottom. The short circuit flow between the down-leg and the up-leg does not occur.<br>(3) It is better to make the down-leg turn towards the center of the bottom of the ladle in order to reduce flow stagnant zone.<br>(4) In the case of multi-leg RH and in the case that the area of the down-leg is different from the up-leg, the circulation rate is higher when area of the down-leg is bigger than the up-leg. On the other hand, the mixing time is shorter in the opposite case.<br>This can be explained by that the mixing time is the function of energy of flow from the down-leg rather than the function of the circulation rate.

収録刊行物

  • 電気製鋼

    電気製鋼 50 (2), 128-137, 1979

    大同特殊鋼株式会社

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