ore hearth

基本解释

To line the hearth of(a reverberatory furnace) with loose sand or ore in preparation for pouring molten metal.
熔化，除去所有的杂质之后，将炉子倾斜，倒出钢水。
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。
The results indicated that corrosion is negligible. Carbon blocks may therefore be highly recommended for the hearth lining of blast furnace for the smelting of fluoride-containing iron ore.
实验结果表明，其侵蚀程度十分轻微，故炭砖应可满意地用作冶炼含氟铁矿石高炉的炉缸砖衬。