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。

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The formula of sintering ore burden is essential to raising its grade and to reducing the harmful elements.

烧结矿的配比对提高烧结矿的品位和降低有害元素的含量至关重要。

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The author studies the burden structure in the blast furnace of Baosteel with respect to more and more intensive shortage of iron ore resource worldwide.

在世界铁矿石资源状况日趋紧张的环境下，对宝钢高炉的用矿结构变化进行了探讨。

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