在料堆的顶部会形成主要由小块料、粉料组成的炉料堆尖，炉料堆尖对高炉煤气流有很强的阻滞作用。
The pile top which mainly consists of fine burden can be formed when the burden is sent into BF top charge container .
但弹性模量的变化并没有改变高炉内炉料的运动特征，其运动仍然是由稳态下降运动与瞬态运动组成。
But, the variation of Young's modulus would not change the characteristics of motion of burden in blast furnace that is composed of the steady motion and the transient motion of burden.
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