The quality improvement of sinter ore is the basic measures for BF smelting and high efficiency. Methods were presented to improve the basicity according to the different ore burden.

• 改善烧结矿质量是强化高炉冶炼,提高效益的基本措施;通过不同外矿配比,提高烧结矿碱度达到改善烧结矿质量的途径。