Formation of the Vertical Slits in the Lower Part of a Sintering Bed and Their Effect on Sintering

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  • 焼結ベッド下部での通気スリットの形成とその焼結への影響
  • ショウケツ ベッド カブ デ ノ ツウキ スリット ノ ケイセイ ト ソノ シ

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Abstract

The conditions for stable formation of vertical slits in the lower part of the sintering bed and their effect on the sintering were investigated. The effect of the slits was evaluated experimentally with a test pot, feeding simulator and commercial plant. The total pressure drop was decreased and the permeability in the bed was improved by the formation of vertical slits. The gas flow rate in the slits was calculated at 1.8 times as large as that of a conventional bed. Moisture condensation, which decreases the void fraction in the sintering bed, is reduced by this increased gas flow rate. To form slits, plates were inserted vertically in the lower part of the raw material on the pallet of sintering machine. The ratio of the height of the plates to the distance between plates should be under 0.5 for stable feeding without stagnation of the raw material.

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 83 (7), 413-418, 1997

    The Iron and Steel Institute of Japan

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