It shows that the main causes of lining wear in ferro - chrome smelting process are the chemical erosion by early slag and the thermal effect at high temperature.

指出在冶炼过程中炉衬遭损坏的主要原因是初渣的化学侵蚀和精炼期的高温热作用。

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On the principle of similarity, the early slag flow in dropping zone is investigated hydraulically with an experimental set-up locally analogues to a blast furnace.

根据相似原理，对高炉滴落带初渣流动进行了区域模拟的实验研究。

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He cleaned them in the early years, when they'd hauled lime and slag all day on the roads round Carlisle, and he was still cleaning them in 1985 when he had 26 of them.

ECONOMIST: Edward Stobart