プレート型装入装置における焼結ベッドの空隙率と焼結生産性に及ぼす磁場の影響

概要

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To improve the sintering productivity and yield, the effects of the magnetic force produced by magnets equipped under the plate feeder on the structure of the sintering bed and sintering performance were investigated by the laboratory charging experiments and sintering tests. Introducing the magnetic force on the sinter mixture during charging, void fraction in the sintering bed was increased with the reduction of falling velocity caused by the increase of the friction of particles against the plate. Moreover return fine and mill scale, which improved the melt fluidity, were segregated toward the upper layer by changing those trajectory. As these results, the sintering productivity and the sinter yield were increased. From the above findings, a new type feeder was developed and applied to Mizushima No.3 sinter plant, confirming the principle of the method.
社団法人日本鉄鋼協会の論文