The hearth and hearth bottom life of blast furnace is one of the key factors affecting blast furnace life.
高炉炉缸和炉底的寿命是影响高炉长寿的关键因素之一。
In order to make the hearth and hearth bottom have the same life-span as that of blast furnace, one of effective measures is to form a layer of slag-metal skull on the hearth and hearth bottom.
实现高炉炉缸、炉底与高炉寿命同步的措施之一就是在高炉炉缸和炉底冻结一层渣铁壳。
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