新型成形コークスの装入分布特性

概要

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Basic characteristics in burden distribution and charging pattern of new shape formed coke developed in order to improve the properties of small size and low void fraction that pillow-type formed coke has were conducted by 1/3 scale charging model and mathematical model of blast furnace. Basic characteristics, those are, inclination angle, coke-collapse and trajectory of new shape formed coke are almost the same as those of conventional coke. In the case of wall charging of new shape formed coke, until 60% of total charged coke, new shape formed coke is able to be charged without it's rolling to the center. It is possible to apply RABIT model to new shape formed coke charging without it's major modification. In the case of new shape formed coke wall charging, the fluctuation in furnace is supposed to be smaller than that in the case of pillow-type formed coke wall charging. Moreover, it's center charging is supposed to be applied to actual blast furnace. More accurate estimation of in-furnace phenomena by mathematical model considering coke reactivity is a subject to be worked out in future.
社団法人日本鉄鋼協会の論文
1996-12-01