During the smelting of an iron ore containing high fluoride content in a small blast furnace, the hearth refractories were severely corroded.
在某地高氟含量铁矿石的冶炼过程中，炉缸粘土质高炉砖砖视遭到了极其严重的破坏作用。
Continuous car type furnace was used in iron ore reduction successfully. The contents of with rotary hearth furnace are as more than 92% metallization and about 90% total iron.
此炉子已经成功地用于铁精矿粉还原焙烧，所得到的海绵铁产品的金属化率大于92 %，全铁约90 %。
Meanwhile, the effect of adding titanium ore on hearth bottom maintenance is notable, but not obvious for the control of hearth sidewall erosion.
同时表明，加钛矿对维护炉底作用显著，而对控制侧壁侵蚀效果不大。
Meanwhile, the effect of adding titanium ore on hearth bottom maintenance is notable, but not obvious for the control of hearth sidewall erosion.
同时表明，加钛矿对维护炉底作用显著，而对控制侧壁侵蚀效果不大。
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