摘要 |
<p>According to the present invention, by adjusting a mixing ratio [(C/F) × 100] between the mass of an iron ore raw material (F) having particles with a diameter of at least 3 mm, and the mass of coke breeze (C) having particles with a diameter of at least 3 mm, to a range of two to three percent, a precursor powder for sintering, which is excellent for efficiently producing sinter, can be adjusted, without depending on the quality of the iron ore.</p> |