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应用逐步逼近、快速冷却的方法确定熔化终点，从而较为准确地测定了铁浴式熔融还原预还原球团矿的熔化速度；用正交实验研究了各因素对球团矿熔化的影响程度，通过单因素实验研究了主要因素对球团矿熔化速度的影响，阐述了球团矿熔化的表观活化能的概念，定量地计算了球团矿熔化的表观活化能
The melting point was determined by the method of stepwise approximation and rapid cooling to determine the melting rate of iron-bath fused reduction prereduction pellets more accurately. The influence of various factors on the pellet melting was studied by orthogonal experiment. The influence of main factors on the melting rate of pellets was studied by single factor experiment. The concept of apparent activation energy of pellet melting was expounded. The apparent activation energy